JP5346488B2 - Setting method of workpiece positioning jig - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a setting method capable of fixing a workpiece on a working surface plate in a short period of time and without taking labor even in such case that various kinds of machining is repeated while minimizing the number of tools for fixing the workpiece. <P>SOLUTION: A tool setting device comprises a reference member set on a setting surface, and a setup tool movable by a drive unit in a direction approaching or separating from the reference member, wherein the drive unit includes a memory unit for memorizing at least a plurality of length data of the setup tool, and a movement amount detector for detecting a movement amount of the setup tool which is moved by the drive unit based on the length data of the memory unit. Before the workpiece fixing tool is mounted on a worktable of a working machine such as a welding machine, it is mounted on the setting surface of the tool setting device and is set to a predetermined dimension. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

The present invention relates to a method for setting a workpiece positioning jig that positions a workpiece on a work surface plate of a welding work machine or a work work machine such as polishing or cutting.

Conventionally, when positioning a workpiece to be processed on a work surface plate in a numerical control processing machine in order to perform various processes such as welding, polishing, and cutting, as shown in Patent Document 1, for example, a square workpiece is formed. In this case, a positioning jig is fixed at the position of the two sides of the corner, the workpiece is pressed against the corner of the workpiece, and the workpiece placed at a fixed position is fixed with a clamp or a vise. What is fixed to the board is known.

However, in such a case, although it can be applied to a square shaped product, there are the following problems when workpieces having different shapes are repeatedly processed in a predetermined cycle.
That is, when such processed sequentially repeating the work of different size and shape, the jig for positioning a plurality of types prepared, must be used to select it, jig in the processing operations in the processing machine There was a problem that it took time for the replacement work such as replacement, and the work efficiency was lowered.

In addition, since a plurality of types of positioning jigs must be prepared and appropriately selected and attached to the work surface plate , there is a problem that much labor and time are required for the selection, attachment / detachment, and setting work. was there.
Furthermore, when storing the jig once set, there is a problem that a large space for storing the plurality of jigs is required.
In particular, the above problem becomes prominent when multi-type processing is repeated.
JP 2005-169537 A

The present invention has been proposed in view of the above problems, a work in a short time without taking the trouble even if while the jig for work positioning to a minimum, such as processing of various kinds are repeated It is an object of the present invention to provide a method for setting a workpiece positioning jig that can be fixed to a work surface plate.

Setting fixture for work positioning according to the present invention, before the jig work positioning for positioning the workpiece is mounted on a workbench of the processing machine, such as welding machines, for work positioning said jig placed on the setting surface of the jig setting device,
A jig setting for work positioning to set the dimensions of the desired the jig,
The jig setting device detects a movement amount of a driving device, a storage unit of a control device storing at least a plurality of dimension data of the jig, and a setting tool moved by the driving device based on the dimension data of the storage unit. And a movement amount detection device that feeds back to the control device,
The said setting surface and a said a reference position establishment member for mounting jig in position, the reference position establishment member movable the set contact and separation direction device in the driving device,
The jig is a fixing member that is detachably attached to a reference position setting member on a setting surface, a movable member that is slidable on the fixing member and is moved by being pushed by the setting tool, and the movable member and the fixing member. And a fixing tool for fixing
The end face of the movable member on the setting tool side is used as a reference surface of the jig, and the movable member can be moved together with the setting tool by pressing the reference surface with the setting tool.
Said mounting a fixing member jig reference position establishment member setting surface of the jig setting device,
Select the desired jig dimension data from the plurality of jig dimension data stored in the storage unit of the control device,
Moving the setting tool and the movable member by the driving device on the basis of the dimension data of the selected jig between the reference surface and the reference position establishment member of said movable member, in dimension data of the selected jig After making the specified dimensions ,
By fixing the fixing member in a fixture movable member of the jig, set the jig for work positioning,
The set workpiece positioning jig is attached to the work table.
The work table referred to in the present invention includes not only welding machines but also work tables such as polishing work machines and cutting work machines.

The setting method of the jig for work positioning according to the present invention, the drive device has a screw shaft screwed to be connected to an output shaft of the electric motor and the motor setting tool, the output shaft or the screw shaft of the motor The movement amount detecting device is formed by a rotary encoder that detects the rotation of the cylinder, and the movement amount detecting means is formed by a linear scale that measures the expansion / contraction amount of the linear movement cylinder, which is formed by a linear cylinder that is driven by fluid pressure. It is also characterized by forming.

According to the setting method of the jig for work positioning according to the present invention, before the jig work positioning it is attached to the workbench or the like machine, a fixing member jig setting plane of the jig setting device Attached to the reference position installation member, select the desired jig dimension data from the plurality of jig dimension data stored in the storage unit of the control device, and drive based on the selected jig dimension data The setting tool and the movable member are moved by the apparatus so that the distance between the reference surface of the movable member and the reference position setting member is set to the dimension determined by the dimension data of the selected jig. by fixing the fixing member to the movable member in the fixture, set the jig for work positioning, since the set jig work positioning are to attach to the workbench, the processing of various kinds is Even if it is repeated Set the size of the jig in a short time without applying between, the set jig can be fixed to the work surface plate for positioning a workpiece, is this greatly improve the mounting work efficiency of the work There are advantages you can

In addition, it is not necessary to prepare multiple jigs according to the workpiece to be processed, and the minimum required workpiece positioning jig can be used for various workpieces, making it economical and inexpensive. There is an advantage that work can be performed and a large space for storing a large number of jigs can be eliminated.

The drive device has an electric motor and a screw shaft connected to the output shaft of the motor and screwed to a setting tool, and a movement amount detection device is formed by a rotary encoder that detects the rotation of the output shaft of the motor or the screw shaft , The drive device is formed of a linear cylinder that is activated by fluid pressure, and the movement amount detecting means is formed of a linear scale that measures the amount of expansion and contraction of the linear cylinder. There is.

It will be described below with reference to the most preferred embodiment of the method for setting jig work positioning according to the present invention with reference to the accompanying drawings.
Figure 1 is an exploded perspective view of a jig for work positioning for use in setting the jig for work positioning according to the present invention, reference numeral 1 is indicated generally a tool for work positioning.
The jig 1 for work positioning, the fixing member 2 which is formed in a rectangular block shape, the movable member 3 relatively movable slides relative to the fixed member 2, the movable member 3 to the fixed member 2 installation reference position establishment bolt (reference position for installing a predetermined position on the setting plane of the jig setting device 5 which will be described later hexagonal socket bolt fasteners 4 and jig 1 is formed by the fixed (10) comprising a use member) 6.

The movable member 3 is formed in a downward U-shape so as to cover the upper surface of the fixed member 2 and the upper half of the left and right side surfaces, and a fixing tool 4 for fixing the movable member 3 to the fixed member 2 and a reference position on the upper surface. one of the long hole 7 for installation bolts 6 are inserted.
Further, an insertion hole fixing member 2 to be inserted in order to be screwed into the reference position establishment bolt 6 criteria are bored in the setting surface 10 of the jig setting device 5 which will be described later threaded hole 8 (see FIG. 2) with 9 and the fixing screw hole 30 of the fixture 4 is worn Luo is provided, the front-rear direction orientation holding pin 11 for holding the attitude of the jig 1 is the stepped slot 12 (for installing the fixture 4 and the reference position direction against releasing bolts 6, that is slidably in a longitudinal direction) of the jig 1.
The posture holding pin 11 for holding the attitude of the jig 1, the head 13 is received in the upper portion 14 of larger diameter of the stepped slot 12, the lower half portion 15 protrudes downward from the lower surface of the fixed member 2, by the projecting portion 15 is fitted into the attitude holding hole 16 bored in the setting surface 10 of the jig setting device 5 which will be described later, as the jig 1 is held posture through the fixing member 2 (See FIGS. 4A and 4B).

On the other hand, the jig setting device 5 for setting the dimensions of the jig 1 for the work positioning is as shown in FIGS.
That is, the reference is jig setting device 5 of the jig 1 for work positioning, a setting plate part 18 supported by legs 17, which are formed in the upper surface (setting surface 10) of the setting plate portion 18 the attitude holding hole 16 screw hole 8 and the posture holding pin 11 for holding the attitude of the jig 1 is fitted, setting tool moves in a direction tangent-away with respect to the reference position establishment bolts 6 by the drive unit 19 20 And a control device 24 for controlling the drive device 19.
The leg 17 is provided with a caster 21 with a lock at the lower end portion and can be moved and fixed, and a setting surface plate portion 18 is fixed to the upper end of the leg 17.

As shown in FIG. 2, the setting platen portion 18 is formed so that the right half portion is wide, and the drive device 19 and the setting tool 20 moved by the drive device 19 can slide to the left and right in the narrow left half portion. Is provided.
As shown in FIG. 3, the drive device 19 is driven by a control signal from a control device 24 between a bottom plate 23 suspended from a setting surface plate portion 18 by a hanging metal fitting 22. When formed in the screw shaft 26 is forward-reverse rotation drive movement in the electric motor 25, the lower is screwed setting tool 20 to the screw shaft 26, for setting the setting tool 20 by the rotation of the screw shaft 26 It moves in a long rectangular sliding hole 27 provided in the surface plate portion 18.

Further, although the detailed illustration of the control device 24 is omitted, the control device 24 is input by the input unit or the input unit or the input unit that inputs data such as a plurality of setting jig dimensions while viewing the display unit. In addition, it is formed of a so-called computer having a storage unit and a calculation unit for updating and storing and reading various data.
When desired dimension data is selected from the dimension data of the plurality of jigs 1 input at the input unit, the rotational drive of the electric motor 25 is controlled based on the selected dimension data, and the setting unit 20 sets A rotary encoder is provided on the output shaft of the electric motor 25 in order to detect the amount of movement of the setting tool 20 and feed it back to the control device 24. A (movement amount detection device) 28 is provided.

Illustrating a method of setting the jig 1 by using a jig 1 and the jig setting device 5 for work positioning, which is configured as described above.
First, select the dimension L of the set jig 1 to be set among the plurality of setting the dimensions of the jig 1 in the storage unit are to be stored in the control unit 24.
Then, the posture holding jig 1 which is designated by the control unit 24 based on the size L of the set jig 1 which is selected, the posture holding hole 16 bored in the setting surface 10 of the setting surface plate portion 18 pin 11 holds the posture wearing the reference position establishment bolt of 6 is screwed to the reference screw hole 8 drilled in the setting plane 10 jig first fixing member 2 a setting plate portion 18 The setting surface 10 is installed.
At this time, the fixture 4 of the jig 1 as shown in FIG. 4A keep loosened from the fixing screw hole 30 in advance as the movable member 3 can be moved on the fixed member 2.

Thereafter, the driving device 19 to the electric motor 25 is activated, the rotating the screw shaft 26 to move the setting member 20, FIG. 4B the end face of the setting tool 20 of the movable member 3 as a reference surface 29 of the jig 1 To set the dimension L.
The movement of the setting tool 20 is driven until the electric motor 25 reaches a predetermined dimension L while the rotary encoder 28 detects the rotation of the output shaft of the electric motor 25 and feeds back to the control device 24.
It becomes the size L of the positioning between is set between the center of the movable member 3 of the reference plane 29 and the reference position establishment bolt (reference position establishment member) 6, as shown in FIG. 4B, fixing screw fasteners 4 fixedly to the fixed member 2 and the movable member 3 tighten the hole 30 does not move relative setting jig 1 for work positioning is completed.
Thus to jig 1 set is secured to the working surface plate for example welding, not shown, which the mating is the installed workpiece is fixed by a clamp or vise welding operation start of the work Is done.

Moreover, the work by selecting as described above when the workpiece is changed, change the data of the control unit 24, from the data such as dimensions of the plurality of setting jigs 1 stored in the storage unit it is possible to easily change the dimensions of the jig 1 for positioning.
Thereby, even if a workpiece | work is changed, the setting jig | tool 1 can be made into a required minimum number.

In the above-described embodiment, the drive device 19 is configured to slide the setting tool 20 by rotating the screw shaft 26 with the electric motor 25. However, the present invention is not limited to this, and the setting tool may be a fluid direct acting cylinder such as hydraulic pressure. 20 can also be adapted to a straight Se'Utsuri motion.
In this case, the movement amount can be detected with a linear scale.

Further, in the above embodiment, the reference position establishment member 6 is adapted to form the reference position establishment bolt, not limited to such, in a pluggable pin shown in reference screw holes 8 have been omitted the reference position establishment member 6 is formed, when fixing to the working platen of a jig 1 set, that may be used in replacing the pin to the screw is of course possible.

Is the partial exploded perspective view of a jig that is set by the setting jig for work positioning according to the present invention. These are top views of the jig | tool setting apparatus used for the setting method of the jig | tool for workpiece positioning concerning this invention. These are the center longitudinal cross-sectional side views of the jig | tool setting apparatus used for the setting method of the jig | tool for workpiece positioning concerning this invention. A and B are explanatory views of a method for setting a workpiece positioning jig according to the present invention.

1 ... jig 2 ... fixing member 3 ... movable member 4 ... fastener 5 ... jig setting device 6 ... reference position establishment member 7 ... slot 10 .. -Setting surface 11 ... Posture holding pin 18 ... Setting platen portion 19 ... Driving device 20 ... Setting tool 24 ... Control device 25 ... Electric motor 26 ... Screw shaft 27 ... Sliding hole 28 ... Rotary encoder (movement amount detector)
29 ... reference plane L ... dimensions jig 1 set

Claims (3)

Before jig work positioning for positioning the workpiece is mounted on a workbench of the processing machine, such as welding machines, and placing the jig setting surface of the jig setting device for work positioning,
A jig setting for work positioning to set the dimensions of the desired the jig,
The jig setting device detects a movement amount of a driving device, a storage unit of a control device storing at least a plurality of dimension data of the jig, and a setting tool moved by the driving device based on the dimension data of the storage unit. And a movement amount detection device that feeds back to the control device,
The said setting surface and a said a reference position establishment member for mounting jig in position, the reference position establishment member movable the set contact and separation direction device in the driving device,
The jig is a fixing member that is detachably attached to a reference position setting member on a setting surface, a movable member that is slidable on the fixing member and is moved by being pushed by the setting tool, and the movable member and the fixing member. And a fixing tool for fixing
The end face of the movable member on the setting tool side is used as a reference surface of the jig, and the movable member can be moved together with the setting tool by pressing the reference surface with the setting tool.
Said mounting a fixing member jig reference position establishment member setting surface of the jig setting device,
Select the desired jig dimension data from the plurality of jig dimension data stored in the storage unit of the control device,
Moving the setting tool and the movable member by the driving device on the basis of the dimension data of the selected jig between the reference surface and the reference position establishment member of said movable member, in dimension data of the selected jig After making the specified dimensions ,
By fixing the fixing member in a fixture movable member of the jig, set the jig for work positioning,
The set method of setting jig work positioning for a jig, characterized in that to attach the workbench for work positioning. The drive device has an electric motor and a screw shaft connected to the output shaft of the motor and screwed into a setting tool, and the movement amount detection device is formed by a rotary encoder that detects the rotation of the output shaft of the motor or the screw shaft. The method for setting a workpiece positioning jig according to claim 1, wherein: 2. The workpiece positioning device according to claim 1, wherein the drive device is formed by a linear cylinder activated by fluid pressure, and a movement amount detecting means is formed by a linear scale for measuring an expansion / contraction amount of the linear motion cylinder. Jig setting method.

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