Workpiece positioning tool

Abstract

The utility model provides a workpiece positioning tool which comprises a bottom plate, two X-axis moving modules, at least two Y-axis moving modules and at least two positioning assemblies. The two X-axis moving modules are arranged on the bottom plate in parallel, one X-axis moving module is provided with at least one Y-axis moving module, and the other X-axis moving module is provided with at least one Y-axis moving module; the Y-axis moving module is in driving connection with the positioning assembly and used for moving in the X-axis direction under driving of the X-axis moving module and driving the positioning assembly to move in the Y-axis direction. The positioning assembly at least comprises a positioning column which is used for being inserted into the positioning hole in a positioning mode. The Y-axis moving module is driven by the X-axis moving module to move in the X-axis direction, and the positioning assembly is driven to move in the Y-axis direction, so that the positioning assembly can move in the X-axis direction and the Y-axis direction, circuit boards of different sizes or at different positioning positions can be positioned, and the universality of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, in particular to a workpiece positioning tooling. Background Art

[0002] During the assembly process of the circuit board, the circuit board needs to be positioned and clamped.

[0003] In the prior art, there are already many tools for positioning and clamping circuit boards. However, different positioning tools need to be designed and used for circuit boards of different sizes or circuit boards at different positioning positions, which results in poor versatility. Utility Model Content

[0004] In view of this, the utility model proposes a workpiece positioning tool to solve the technical problem in the above background technology that different positioning tools need to be designed and used for circuit boards of different sizes or circuit boards at different positioning positions, and the versatility is poor.

[0005] The technical solution of the utility model is achieved in this way:

[0006] The utility model provides a workpiece positioning tool for positioning a workpiece, wherein the workpiece is provided with at least two positioning holes, and the workpiece positioning tool comprises a base plate, two X-axis moving modules, at least two Y-axis moving modules and at least two positioning components, wherein:

[0007] The two X-axis moving modules are arranged in parallel on the bottom plate, wherein at least one Y-axis moving module is arranged on one of the X-axis moving modules, and at least one Y-axis moving module is arranged on the other X-axis moving module;

[0008] The Y-axis moving module is drivingly connected to the positioning assembly, and is used to move along the X-axis direction under the drive of the X-axis moving module, and drive the positioning assembly to move along the Y-axis direction;

[0009] The positioning assembly at least includes a positioning column, which is arranged along the Z-axis direction and is used for positioning and plugging with the positioning hole.

[0010] On the basis of the above technical solution, preferably, it also includes at least two Z-axis moving modules, which are respectively connected to the Y-axis moving module and the positioning component, and are used to move along the Y-axis direction under the drive of the Y-axis moving module, and drive the positioning component to move along the Z-axis direction.

[0011] On the basis of the above technical solution, preferably, four positioning holes are provided on the workpiece;

[0012] The X-axis moving module is provided with two driving units;

[0013] The positioning components, the Y-axis moving modules and the Z-axis moving modules are each provided with four, and the four positioning posts are respectively plugged into the four positioning holes; two of the Y-axis moving modules are provided on one of the X-axis moving modules and are respectively connected to its two driving units, and the other two Y-axis moving modules are provided on another of the X-axis moving modules and are respectively connected to its two driving units.

[0014] On the basis of the above technical solution, preferably, the four positioning holes are respectively a first positioning hole, a second positioning hole, a third positioning hole and a fourth positioning hole, a line connecting the first positioning hole and the fourth positioning hole is parallel to the X-axis, and a line connecting the second positioning hole and the third positioning hole is parallel to the Y-axis;

[0015] The workpiece positioning tool also includes a bottom slide rail, a bottom slider and a pushing cylinder. The bottom slide rail is arranged on the bottom plate along the Y-axis direction. The bottom slider is slidably installed on the bottom slide rail and is connected to one of the X-axis moving modules. The pushing cylinder is installed on the bottom plate and is arranged on one side of the X-axis moving module along the Y-axis direction, and is used to push the bottom slider to slide.

[0016] On the basis of the above technical solution, preferably, at least two bottom slide rails and at least two bottom sliders are provided, and at least two bottom sliders are symmetrically arranged at two ends below the X-axis moving module.

[0017] On the basis of the above technical solution, preferably, the pushing cylinder is located on the central axis of the X-axis moving module.

[0018] On the basis of the above technical solution, preferably, the X-axis moving module includes a first mounting frame, a first guide rail and two driving units; the first mounting frame is installed on the base plate, and the first guide rail is arranged on the first mounting frame along the X-axis direction; the driving unit includes a first slider, a first screw rod and a first driving motor, the first slider is slidably installed on the first guide rail and connected to the Y-axis moving module, the first screw rods of the two driving units are rotatably installed on the first mounting frame at intervals and are respectively threadedly connected to the two first sliders, and the first driving motor is installed on the first mounting frame and drivingly connected to the first screw rod.

[0019] On the basis of the above technical solution, preferably, a slide groove is provided on the top surface of the first guide rail, the first screw rod is located in the slide groove, a protrusion is provided on the bottom surface of the first slider, the protrusion is embedded in the slide groove, and the bottom surface of the first slider is attached to the top surface of the first guide rail.

[0020] On the basis of the above technical solution, preferably, the X-axis moving module also includes a guide plate, which is installed on the first mounting frame and is located parallel to the first guide rail. A guide groove is provided in the first slider, and the guide plate passes through the guide groove.

[0021] On the basis of the above technical solution, preferably, a telescopic foot support is also provided at the bottom of the first slider, and the telescopic foot support includes a telescopic cylinder and a support plate. The telescopic cylinder is installed at the bottom of the slider and connected to the support plate, and the support plate is used to support and resist the bottom plate.

[0022] The workpiece positioning tool of the utility model has the following beneficial effects compared with the prior art:

[0023] (1) The Y-axis moving module is connected to the positioning assembly through driving, and is used to move along the X-axis direction under the drive of the X-axis moving module, and drive the positioning assembly to move along the Y-axis direction, so that the positioning assembly can be moved along the X-axis and the Y-axis, so that circuit boards of different sizes or circuit boards at different positioning positions can be positioned, thereby improving the versatility of the device;

[0024] (2) By providing a Z-axis moving module, the Z-axis moving module is respectively connected to the Y-axis moving module and the positioning assembly, and is used to move along the Y-axis direction under the drive of the Y-axis moving module, and drive the positioning assembly to move along the Z-axis direction, so that workpieces with positioning holes of different depths can be used, further improving the applicability of the device;

[0025] (3) The four positioning posts are respectively plugged into the four positioning holes, and the X-axis moving module is provided with two driving units; wherein two Y-axis moving modules are arranged on one X-axis moving module and are respectively connected to the two driving units thereof, and the other two Y-axis moving modules are arranged on the other X-axis moving module and are respectively connected to the two driving units thereof, so that the movement of the four positioning components along the X-axis is realized by the two X-axis moving modules, which can make the structure more compact and convenient for flexible layout;

[0026] (4) The bottom slider is slidably installed on the bottom slide rail and connected to one of the X-axis moving modules. The pushing cylinder is installed on the bottom plate and is arranged on one side of the X-axis moving module along the Y-axis direction, and is used to push the bottom slider to slide, thereby pushing the X-axis moving module connected to the bottom slider to move, so as to adjust the distance between the two X-axis moving modules and increase the adjustment range between the positioning columns along the Y-axis direction, so as to achieve the situation that the four positioning columns match the connection line between the first positioning hole and the fourth positioning hole is parallel to the X-axis, and the connection line between the second positioning hole and the third positioning hole is parallel to the Y-axis, thereby improving the reliability and stability of the device;

[0027] (5) The first mounting frame is mounted on the base plate, the first guide rail is arranged on the first mounting frame along the X-axis direction, the first slider is slidably mounted on the first guide rail and connected to the Y-axis moving module, the first screw rods of the two driving units are rotatably mounted on the first mounting frame and are respectively threadedly connected to the two first sliders, the first driving motor is mounted on the first mounting frame and is drivingly connected to the first screw rod, the two first driving motors respectively drive the two first screw rods to rotate, so that the first slider slides along the first guide rail to realize the movement of the Y-axis moving module along the X-axis, and one X-axis moving module realizes the movement of two Y-axis moving modules along the X-axis, which can make the structure more compact and convenient for flexible layout. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0029] Figure 1 A three-dimensional diagram of the workpiece positioning tool of the utility model;

[0030] Figure 2 A three-dimensional diagram of a workpiece of the utility model;

[0031] Figure 3 It is a schematic diagram of the positioning hole of the workpiece of the utility model from a top view;

[0032] Figure 4 It is a three-dimensional diagram of the X-axis moving module, the Y-axis moving module and the Z-axis moving module of the utility model;

[0033] Figure 5 It is a three-dimensional diagram of the X-axis moving module of the utility model;

[0034] Figure 6 This is a three-dimensional diagram of the X-axis moving module of the utility model without the first slider and the guide plate;

[0035] Figure 7 It is a three-dimensional diagram of the Y-axis moving module of the present utility model;

[0036] Figure 8 It is a three-dimensional diagram of the Z-axis moving module of the present invention.

[0037] Description of reference numerals: 1-base plate, 2-X-axis moving module, 3-Y-axis moving module, 4-positioning assembly, 5-Z-axis moving module, 6-bottom slide rail, 7-bottom slider, 8-pushing cylinder, 9-telescopic foot support;

[0038] 100-workpiece, 110-positioning hole, 101-first positioning hole, 102-second positioning hole, 103-third positioning hole, 104-fourth positioning hole;

[0039] 21-first mounting frame, 22-first guide rail, 221-slideway, 23-first slider, 231-bump, 232-guide groove, 24-first screw rod, 25-first drive motor, 26-guide plate, 27-transmission mechanism, 271-first pulley, 272-second pulley, 273-synchronous belt;

[0040] 31-second mounting frame, 32-second guide rail, 33-second slider, 34-second drive motor;

[0041] 41-positioning column, 42-connecting seat;

[0042] 51-third mounting frame, 52-third guide rail, 53-third slider, 54-third driving motor;

[0043] 91- telescopic cylinder, 92- support plate. DETAILED DESCRIPTION

[0044] The following will be combined with the implementation of the utility model to clearly and completely describe the technical solutions in the implementation of the utility model. Obviously, the described implementation is only a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0045] Reference Figure 1-Figure 8 As shown, the embodiment of the utility model proposes a workpiece positioning tool for positioning a workpiece 100, wherein the workpiece 100 is provided with at least two positioning holes 110, and the workpiece positioning tool comprises a base plate 1, two X-axis moving modules 2, at least two Y-axis moving modules 3 and at least two positioning components 4, wherein:

[0046] The two X-axis moving modules 2 are arranged in parallel on the bottom plate 1, wherein one of the X-axis moving modules 2 is provided with at least one Y-axis moving module 3, and the other X-axis moving module 2 is provided with at least one Y-axis moving module 3;

[0047] The Y-axis moving module 3 is drivingly connected to the positioning component 4, and is used to move along the X-axis direction under the drive of the X-axis moving module 2, and drive the positioning component 4 to move along the Y-axis direction;

[0048] The positioning assembly 4 at least includes a positioning column 41 . The positioning column 41 is arranged along the Z-axis direction. The positioning column 41 is used for positioning and plugging with the positioning hole 110 .

[0049] The workpiece positioning fixture proposed in this embodiment is driven and connected to the positioning component 4 through the Y-axis moving module 3, and is used to move along the X-axis direction under the drive of the X-axis moving module 2, and drive the positioning component 4 to move along the Y-axis direction, so that the positioning component 4 can be moved along the X-axis and Y-axis, so that circuit boards of different sizes or circuit boards at different positioning positions can be positioned, thereby improving the versatility of the device.

[0050] In some embodiments, the workpiece positioning fixture further includes at least two Z-axis moving modules 5, which are respectively connected to the Y-axis moving module 3 and the positioning assembly 4, and are used to move along the Y-axis direction under the drive of the Y-axis moving module 3, and drive the positioning assembly 4 to move along the Z-axis direction. By setting the Z-axis moving module 5, which is respectively connected to the Y-axis moving module 3 and the positioning assembly 4, and is used to move along the Y-axis direction under the drive of the Y-axis moving module 3, and drive the positioning assembly 4 to move along the Z-axis direction, it can be applicable to workpieces 100 with positioning holes 110 of different depths, further improving the applicability of the device.

[0051] In some embodiments, four positioning holes 110 are provided on the workpiece 100; the X-axis moving module 2 is provided with two driving units; the positioning assembly 4, the Y-axis moving module 3 and the Z-axis moving module 5 are each provided with four, and the four positioning columns 41 are respectively plugged into the four positioning holes 110; two of the Y-axis moving modules 3 are provided on one of the X-axis moving modules 2 and are respectively connected to its two driving units, and the other two of the Y-axis moving modules 3 are provided on another of the X-axis moving modules 2 and are respectively connected to its two driving units. The four positioning posts 41 are respectively plugged into the four positioning holes 110, and the X-axis moving module 2 is provided with two driving units; two of the Y-axis moving modules 3 are arranged on one of the X-axis moving modules 2 and are respectively connected to its two driving units, and the other two of the Y-axis moving modules 3 are arranged on another of the X-axis moving modules 2 and are respectively connected to its two driving units, so that the movement of the four positioning components 4 along the X-axis is realized through the two X-axis moving modules 2, which can make the structure more compact and convenient for flexible layout.

[0052] In some embodiments, the four positioning holes 110 are respectively a first positioning hole 101, a second positioning hole 102, a third positioning hole 103 and a fourth positioning hole 104, the line connecting the first positioning hole 101 and the fourth positioning hole 104 is parallel to the X-axis, and the line connecting the second positioning hole 102 and the third positioning hole 103 is parallel to the Y-axis; the workpiece positioning tooling also includes a bottom slide rail 6, a bottom slider 7 and a pushing cylinder 8, the bottom slide rail 6 is arranged on the base plate 1 along the Y-axis direction, the bottom slider 7 is slidably installed on the bottom slide rail 6 and is connected to one of the X-axis moving modules 2, the pushing cylinder 8 is installed on the base plate 1 and is arranged on one side of the X-axis moving module 2 along the Y-axis direction, for pushing the bottom slider 7 to slide. The bottom slider 7 is slidably installed on the bottom slide rail 6 and connected to one of the X-axis moving modules 2. The pushing cylinder 8 is installed on the bottom plate 1 and is arranged on one side of the X-axis moving module 2 along the Y-axis direction. It is used to push the bottom slider 7 to slide, thereby pushing the X-axis moving module 2 connected to the bottom slider 7 to move, thereby realizing the adjustment of the distance between the two X-axis moving modules 2, and increasing the adjustment range of the positioning columns 41 along the Y-axis direction, so as to achieve the situation that the four positioning columns 41 match the line connecting the first positioning hole 101 and the fourth positioning hole 104 parallel to the X-axis, and the line connecting the second positioning hole 102 and the third positioning hole 103 parallel to the Y-axis, thereby improving the reliability and stability of the device.

[0053] In some embodiments, at least two bottom slide rails 6 and at least two bottom sliders 7 are provided, and at least two bottom sliders 7 are symmetrically arranged at two ends below the X-axis moving module 2. Figure 1 As shown, the bottom rails 6 and the bottom rails 6 are each provided with four, and the four bottom sliders 7 are symmetrically arranged at the two ends below the X-axis moving module 2, so that the movement of the X-axis moving module 2 is smoother and more stable, and the reliability and stability of the device are improved. The number of bottom sliders 7 can be set according to the length of the X-axis moving module 2.

[0054] In some embodiments, the push cylinder 8 is located on the central axis of the X-axis moving module 2. By locating the push cylinder 8 on the central axis of the X-axis moving module 2, when the push cylinder 8 applies thrust to the X-axis moving module 2, the thrust can be more balanced, and there will be no situation where one end of the X-axis moving module 2 is subjected to greater force and the other end is subjected to less force, thereby preventing the sliding of the bottom slider 7 from being blocked, thereby improving the reliability and stability of the device.

[0055] In some embodiments, the X-axis moving module 2 includes a first mounting frame 21, a first guide rail 22 and two driving units; the first mounting frame 21 is mounted on the base plate 1, and the first guide rail 22 is arranged on the first mounting frame 21 along the X-axis direction; the driving unit includes a first slider 23, a first screw rod 24 and a first driving motor 25, the first slider 23 is slidably mounted on the first guide rail 22 and connected to the Y-axis moving module 3, the first screw rods 24 of the two driving units are rotated and mounted on the first mounting frame 21 at intervals and are respectively threadedly connected to the two first sliders 23, and the first driving motor 25 is mounted on the first mounting frame 21 and is drivingly connected to the first screw rod 24. The two first driving motors 25 drive the two first screw rods 24 to rotate respectively, so that the first slider 23 slides along the first guide rail 22, so that the Y-axis moving module 3 moves along the X-axis, and one X-axis moving module 2 realizes the movement of two Y-axis moving modules 3 along the X-axis, which can make the structure more compact and convenient for flexible layout.

[0056] In some embodiments, the top surface of the first guide rail 22 is provided with a slide groove 221, the first screw rod 24 is located in the slide groove 221, and the bottom surface of the first slider 23 is provided with a protrusion 231, the protrusion 231 is embedded in the slide groove 221, and the bottom surface of the first slider 23 is attached to the top surface of the first guide rail 22. By embedding the protrusion 231 in the slide groove 221, and the bottom surface of the first slider 23 is attached to the top surface of the first guide rail 22, the first slider 23 is slidably installed on the first guide rail 22, and the first screw rod 24 is located inside the slide groove 221, which can save space, make the structure more compact, and facilitate flexible arrangement.

[0057] In some embodiments, the X-axis moving module 2 further includes a guide plate 26, which is mounted on the first mounting frame 21 and is located parallel to the first guide rail 22. A guide groove 232 is provided in the first slider 23, and the guide plate 26 passes through the guide groove 232. The guide plate 26 is mounted on the first mounting frame 21 and is located parallel to the first guide rail 22. The first slider 23 is provided with a guide groove 232, and the guide plate 26 passes through the guide groove 232, so that the sliding of the first slider 23 can be guided and limited, so as to prevent the first slider 23 from being separated from the first guide rail 22 during the sliding process, thereby improving the reliability and stability of the device.

[0058] In some embodiments, the X-axis moving module 2 also includes a transmission mechanism 27, which includes a first pulley 271, a second pulley 272 and a synchronous belt 273. The first pulley 271 is connected to the first driving motor 25, the second pulley 272 is connected to the first screw rod 24, and the synchronous belt 273 is respectively connected to the first pulley 271 and the second pulley 272. The first driving motor 25 drives the first pulley 271 to rotate, and the first pulley 271 drives the second pulley 272 to rotate through the synchronous belt 273, thereby driving the first screw rod 24 to rotate. In this way, the first driving motor 25 can be set on the inner side of the first mounting frame 21, and can be on the same side as the first screw rod 24, rather than being coaxial with the first screw rod 24, which can make the structure more compact and convenient for flexible installation.

[0059] Of course, the transmission mechanism 27 is not limited to the above-mentioned structure, and other transmission mechanisms 27 such as gear transmission, sprocket transmission and belt transmission may also be used.

[0060] In some embodiments, a telescopic foot support 9 is further provided at the bottom of the first slider 23, and the telescopic foot support 9 includes a telescopic cylinder 91 and a support plate 92. The telescopic cylinder 91 is installed at the bottom of the slider and connected to the support plate 92, and the support plate 92 is used to support and abut against the bottom plate 1. The telescopic cylinder 91 is installed at the bottom of the slider and connected to the support plate 92, so that the support plate 92 can be raised and lowered. When the Y-axis moving module 3 moves along the X-axis, the telescopic cylinder 91 raises the support plate 92. After the Y-axis moving module 3 moves into position, the telescopic cylinder 91 lowers the support plate 92, and the support plate 92 is supported and abutted against the bottom plate 1, thereby supporting the end of the Y-axis moving module 3 away from the X-axis moving module 2, thereby improving the stability and reliability of positioning.

[0061] In some embodiments, the Y-axis moving module 3 includes a second mounting frame 31, a second guide rail 32, a second slider 33, a second screw (not shown in the figure) and a second drive motor 34, wherein the second mounting frame 31 is connected to the first slider 23, the second guide rail 32 is mounted on the second mounting frame 31 along the Y axis, the second slider 33 is slidably mounted on the second guide rail 32 and connected to the Z-axis moving module 5, the second screw is rotatably mounted on the second mounting frame 31 and is threadedly connected to the second slider 33, and the second drive motor 34 is mounted on the second mounting frame 31 and is drive-connected to the second screw. The second drive motor 34 drives the second screw to rotate, so that the second slider 33 slides along the second guide rail 32, and the Z-axis moving module 5 moves along the Y axis.

[0062] In some embodiments, the Z-axis moving module 5 includes a third mounting frame 51, a third guide rail 52, a third slider 53, a third screw (not shown in the figure) and a third driving motor 54, wherein the third mounting frame 51 is connected to the second slider 33, the third guide rail 52 is mounted on the third mounting frame 51 along the Y axis, the third slider 53 is slidably mounted on the third guide rail 52 and connected to the positioning assembly 4, the third screw is rotatably mounted on the third mounting frame 51 and is threadedly connected to the third slider 53, and the third driving motor 54 is mounted on the third mounting frame 51 and is drivingly connected to the third screw. The third driving motor 54 drives the third screw to rotate, so that the third slider 53 slides along the third guide rail 52, and the positioning assembly 4 moves along the Z axis.

[0063] In some embodiments, the positioning assembly 4 further includes a connecting seat 42 , and the connecting seat 42 is respectively connected to the positioning column 41 and the third slider 53 , so that the positioning column 41 is driven by the third slider 53 to move along the Z-axis direction.

[0064] The working principle of the workpiece positioning fixture is: the two first drive motors 25 are used to drive the two first screw rods 24 to rotate respectively, so that the first slider 23 slides along the first guide rail 22, and the Y-axis moving module 3 is moved along the X-axis, and the X-axis moving module 2 realizes the movement of the two Y-axis moving modules 3 along the X-axis; the second drive motor 34 is used to drive the second screw rod to rotate, so that the second slider 33 slides along the second guide rail 32, and the Z-axis moving module 5 is moved along the Y-axis; the third drive motor 54 is used to drive the third screw rod to rotate, so that the third slider 53 slides along the third guide rail 52, and the positioning component 4 is moved along the Z-axis; the positioning column 41 can be moved along the X-axis, Y-axis and Z-axis, so that circuit boards of different sizes or circuit boards at different positioning positions can be positioned, thereby improving the versatility of the device, and it can also be used for workpieces 100 with positioning holes 110 of different depths, further improving the applicability of the device.

[0065] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A workpiece positioning tool, used for positioning a workpiece, characterized in that: At least two positioning holes are provided on the workpiece, and the workpiece positioning tooling comprises a base plate, two X-axis moving modules, at least two Y-axis moving modules and at least two positioning components, wherein: The two X-axis moving modules are arranged in parallel on the bottom plate, wherein at least one Y-axis moving module is arranged on one of the X-axis moving modules, and at least one Y-axis moving module is arranged on the other X-axis moving module; The Y-axis moving module is drivingly connected to the positioning assembly, and is used to move along the X-axis direction under the drive of the X-axis moving module, and drive the positioning assembly to move along the Y-axis direction; The positioning assembly at least includes a positioning column, which is arranged along the Z-axis direction and is used for positioning and plugging with the positioning hole.

2. The workpiece positioning tool as claimed in claim 1, characterized in that: It also includes at least two Z-axis moving modules, which are respectively connected to the Y-axis moving module and the positioning component, and are used to move along the Y-axis direction under the drive of the Y-axis moving module, and drive the positioning component to move along the Z-axis direction.

3. The workpiece positioning tool as claimed in claim 2, characterized in that: Four positioning holes are provided on the workpiece; The X-axis moving module is provided with two driving units; The positioning components, the Y-axis moving modules and the Z-axis moving modules are each provided with four, and the four positioning posts are respectively plugged into the four positioning holes; two of the Y-axis moving modules are provided on one of the X-axis moving modules and are respectively connected to its two driving units, and the other two Y-axis moving modules are provided on another of the X-axis moving modules and are respectively connected to its two driving units.

4. The workpiece positioning tool as claimed in claim 3, characterized in that: The four positioning holes are respectively a first positioning hole, a second positioning hole, a third positioning hole and a fourth positioning hole, a line connecting the first positioning hole and the fourth positioning hole is parallel to the X-axis, and a line connecting the second positioning hole and the third positioning hole is parallel to the Y-axis; The workpiece positioning tool also includes a bottom slide rail, a bottom slider and a pushing cylinder. The bottom slide rail is arranged on the bottom plate along the Y-axis direction. The bottom slider is slidably installed on the bottom slide rail and is connected to one of the X-axis moving modules. The pushing cylinder is installed on the bottom plate and is arranged on one side of the X-axis moving module along the Y-axis direction, and is used to push the bottom slider to slide.

5. The workpiece positioning tool as claimed in claim 4, characterized in that: At least two bottom slide rails and at least two bottom sliders are provided, and at least two bottom sliders are symmetrically arranged at two ends below the X-axis moving module.

6. The workpiece positioning tool as claimed in claim 5, characterized in that: The pushing cylinder is located on the central axis of the X-axis moving module.

7. The workpiece positioning tool as claimed in claim 6, characterized in that: The X-axis moving module includes a first mounting frame, a first guide rail and two driving units; the first mounting frame is installed on the base plate, and the first guide rail is arranged on the first mounting frame along the X-axis direction; the driving unit includes a first slider, a first screw rod and a first driving motor, the first slider is slidably installed on the first guide rail and is connected to the Y-axis moving module, the first screw rods of the two driving units are installed on the first mounting frame with interval rotation and are respectively threadedly connected to the two first sliders, and the first driving motor is installed on the first mounting frame and is drivingly connected to the first screw rod.

8. The workpiece positioning tool as claimed in claim 7, characterized in that: The top surface of the first guide rail is provided with a slide groove, the first screw rod is located in the slide groove, the bottom surface of the first slider is provided with a protrusion, the protrusion is embedded in the slide groove, and the bottom surface of the first slider is in contact with the top surface of the first guide rail.

9. The workpiece positioning tool as claimed in claim 8, characterized in that: Therefore, the X-axis moving module also includes a guide plate, which is installed on the first mounting frame and is located parallel to and above the first guide rail. A guide groove is provided in the first sliding block, and the guide plate passes through the guide groove.

10. The workpiece positioning tool according to any one of claims 7 to 9, characterized in that: A telescopic foot support is also provided at the bottom of the first sliding block, and the telescopic foot support includes a telescopic cylinder and a support plate. The telescopic cylinder is installed at the bottom of the sliding block and connected to the support plate, and the support plate is used to support and abut against the bottom plate.

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