A laser-engraving magnetic attraction type positioning jig

Abstract

The utility model relates to a kind of laser etching magnetic attraction type positioning fixture, including bearing seat, it is equipped with compression element and positioning hole, compression element is compressed workpiece in bearing seat;Base, it is provided with positioning groove and positioning boss, positioning groove contains bearing seat and positioning groove is matched with bearing seat profiling, positioning boss is inserted in positioning hole;Multiple magnets, it is connected in bearing seat and base respectively, magnet located in bearing seat and magnet located in base mutually adsorb.The utility model connects bearing seat and base as a whole by magnet, can complete workpiece processing also can realize workpiece measurement, without frequent disassembly, repositioning workpiece, significantly improve work efficiency.

Description

Technical Field

[0001] This utility model relates to the field of positioning fixture technology, and in particular to a laser-engraved magnetic positioning fixture. Background Technology

[0002] Positioning fixtures are auxiliary tools used in manufacturing to fix and precisely position workpieces to be processed. Their core function is to ensure the consistency of product position during processing, inspection, or assembly, thereby guaranteeing high-precision and high-efficiency production. Currently, in the laser engraving process for antenna brackets, two sets of positioning fixtures are typically used to complete the laser engraving and measurement of the antenna bracket. Specifically, after the antenna bracket is processed, it needs to be removed from the processing fixture, transferred to the measuring fixture, and then repositioned and installed for quality inspection. This "processing-inspection" transition requires secondary disassembly and realignment of the antenna bracket, which not only prolongs the operation time and reduces work efficiency but also introduces the risk of secondary positioning errors. Summary of the Invention

[0003] Therefore, the technical problem to be solved by this utility model is to overcome the problems of low work efficiency and measurement error in the prior art where the workpiece needs to be removed from the processing fixture and transferred to the measuring fixture after processing. In this way, a laser-engraved magnetic positioning fixture is provided, which connects the carrier and the base into one unit by magnets. It can not only complete the workpiece processing, but also realize the workpiece measurement. There is no need to frequently disassemble and reposition the workpiece, which significantly improves work efficiency.

[0004] To solve the above-mentioned technical problems, this utility model provides a laser-engraved magnetic positioning fixture, comprising, The support base is provided with a clamping element and a positioning hole, wherein the clamping element clamps the workpiece onto the support base; The base is provided with a positioning groove and a positioning boss. The positioning groove accommodates the support seat and the positioning groove is conformally matched with the support seat. The positioning boss is inserted into the positioning hole. Multiple magnets are respectively connected to the support and the base, and the magnets located on the support and the base attract each other.

[0005] In one embodiment of this utility model, the support base is provided with multiple laser engraving stations, and each laser engraving station is provided with the clamping component.

[0006] In one embodiment of the present invention, the support base is provided with a first opening and a second opening, the first opening being disposed at the laser engraving station, and the second opening being disposed on both sides of the laser engraving station.

[0007] In one embodiment of the present invention, a boss is provided on the edge of the first opening, and the boss is provided with a positioning pin.

[0008] In one embodiment of the present invention, the support seat is further provided with a groove, which communicates with the second opening.

[0009] In one embodiment of this utility model, the support seat is provided with a limiting block, the limiting block is provided with an arc-shaped curved surface, and the arc-shaped curved surface matches the side of the workpiece.

[0010] In one embodiment of the present invention, the base is provided with a first mounting groove, the bottom of the first mounting groove is provided with a first through hole, the base is provided with a first mounting groove, the bearing seat is provided with a second mounting groove, the first mounting groove is aligned with the second mounting groove, and the magnet is provided in the first mounting groove and the second mounting groove.

[0011] In one embodiment of this utility model, both the bottom of the first mounting groove and the second mounting groove are provided with through holes.

[0012] In one embodiment of this utility model, the clamping member is configured as an arm rotatably connected to the support seat, and the arm is also connected to the support seat by screws.

[0013] In one embodiment of the present invention, the base is provided with a third opening, which is positioned directly opposite the support seat.

[0014] In one embodiment of this utility model, the positioning boss is disposed in the positioning groove.

[0015] In one embodiment of this utility model, the arm body is connected to a pressure head.

[0016] In one embodiment of the present invention, the base is provided with connecting portions at both ends along its length direction, the connecting portions are provided with connecting holes, and the support seat is provided with gripping portions at both ends along the width direction of the base.

[0017] In one embodiment of the present invention, the base is provided with clearance recesses at both ends along its width direction, and the clearance recesses are provided directly opposite the gripping part along the thickness direction of the base.

[0018] In one embodiment of this utility model, a connecting block is provided on the base, and the connecting block is rotatably connected to the arm.

[0019] In one embodiment of this utility model, a plurality of positioning pins are evenly distributed along the edge of the first opening.

[0020] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial effects: The laser engraving magnetic positioning fixture of this invention clamps the workpiece onto a carrier seat, and then uses magnets to fix the carrier seat to the base. The laser engraving operation on the workpiece can be completed simply by connecting the base to the laser engraving equipment. After the laser engraving is completed, the carrier seat can be transferred to the measuring equipment by overcoming the magnetic force to complete the workpiece measurement. There is no need for secondary disassembly and installation of the workpiece, which saves operation time, improves work efficiency, and reduces workpiece positioning errors. The use of positioning grooves and positioning bosses can quickly position the carrier seat, further improving work efficiency. Attached Figure Description

[0021] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. Figure 1 This is a schematic diagram of the structure of the laser-engraved magnetic positioning fixture in a preferred embodiment of the present invention; Figure 2 for Figure 1 The diagram shows the structure of the base. Figure 3 for Figure 1 A schematic diagram of the structure of the support base from the bottom view; Figure 4 This is a partial cross-sectional view of the base and the support seat in a preferred embodiment of the present invention.

[0022] Explanation of reference numerals in the accompanying drawings: 1. Bearing base; 11. Clamping element; 111. Connecting hole; 12. Positioning hole; 121. Press head; 13. Second opening; 14. First opening; 15. Second mounting groove; 16. Second through hole; 17. Groove; 18. Boss; 19. Grip; 2. Base; 21. Third opening; 22. Positioning boss; 23. First mounting groove; 24. First through hole; 25. Positioning groove; 26. Connecting part; 27. Clearance recess; 261. Connecting hole; 3. Connecting block; 4. Limiting block; 5. Positioning pin; 61. First magnet; 62. Second magnet. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments are not intended to limit the present invention.

[0024] For reference Figure 1 As shown, in one embodiment of this utility model, a laser-engraved magnetic positioning fixture is disclosed, comprising: The bearing seat 1 is provided with a clamping member 11 and a positioning hole 12, wherein the clamping member 11 clamps the workpiece to the bearing seat 1; The base 2 is provided with a positioning groove 25 and a positioning boss 22. The positioning groove 25 accommodates the support seat 1 and the positioning groove 25 is conformally matched with the support seat 1. The positioning boss 22 is inserted into the positioning hole 12. Multiple magnets are connected to the support 1 and the base 2 respectively, and the magnets located on the support 1 and the magnets located on the base 2 attract each other.

[0025] The laser engraving magnetic positioning fixture described in this embodiment clamps the workpiece onto the carrier 1, and then uses magnets to fix the carrier 1 onto the base 2. The laser engraving operation on the workpiece can be completed simply by connecting the base 2 to the laser engraving equipment. After the laser engraving is completed, the workpiece measurement can be completed by overcoming the magnetic force to transfer the carrier 1 to the measuring equipment. There is no need for secondary disassembly and installation of the workpiece, which saves operation time, improves work efficiency, and reduces workpiece positioning error. The carrier 1 can be quickly positioned by using the positioning groove 25 and the positioning boss 22, which further improves work efficiency.

[0026] For reference Figure 2 As shown, in one embodiment of this utility model, the positioning boss 22 can be replaced by a frustum.

[0027] For reference Figure 1 As shown, in one embodiment of this utility model, the support base 1 is provided with two laser engraving stations, and each laser engraving station is provided with the clamping member 11.

[0028] For reference Figure 2 and Figure 3 As shown, in one embodiment of this utility model, the support seat 1 is provided with three positioning holes 12, and the base 2 is provided with three positioning bosses 22. When the support seat 1 is placed on the base 2, the three positioning bosses 22 are respectively inserted into the three positioning holes 12.

[0029] For reference Figure 2 and Figure 3 As shown, in one embodiment of this utility model, the positioning groove 25 is matched with the bearing seat 1 in a contour manner, which can be understood as the bearing seat 1 being able to fit into the positioning groove 25. The positioning groove 25 is used to limit the bearing seat 1 and prevent it from shifting laterally.

[0030] For reference Figure 1 As shown, in one embodiment of the present invention, the support base 1 is provided with a first opening 14 and a second opening 13. The first opening 14 is provided at the laser engraving station for the lines of the workpiece installed on the laser engraving station to pass through. The two second openings 13 are provided on both sides of the laser engraving station and are used to accelerate the airflow of the laser engraving station and improve the dust removal effect.

[0031] For reference Figure 1As shown, in one embodiment of the present invention, the edge of the first opening 14 is provided with a plurality of protrusions 18, the protrusions 18 are used to limit the workpiece, and the protrusions 18 are provided with positioning pins 5 for inserting into the pin holes of the workpiece.

[0032] For reference Figure 1 As shown, in one embodiment of the present invention, the support seat 1 is further provided with a groove 17, which communicates with the second opening 13. The groove 17 is used to further accelerate the airflow of the laser engraving station and improve the dust removal effect.

[0033] For reference Figure 1 As shown, in one embodiment of this utility model, the support seat 1 is provided with a limiting block 4 located on one side of the laser engraving station. The limiting block 4 limits the workpiece located at the laser engraving station. The limiting block 4 is provided with an arc-shaped curved surface. The arc-shaped curved surface matches the side of the workpiece. The limiting block 4 contacts the side wall of the workpiece through the arc-shaped curved surface.

[0034] For reference Figure 2 and Figure 3 As shown, in one embodiment of this utility model, the base 2 is provided with a first mounting groove 23, and the support seat 1 is provided with a second mounting groove 15. The first mounting groove 23 and the second mounting groove 15 are respectively provided with magnets. The magnet located in the first mounting groove 23 is marked as the first magnet 61, and the magnet located in the second mounting groove 15 is marked as the second magnet 62. When the support seat 1 is placed in the positioning groove 25, the first mounting groove 23 and the second mounting groove 15 are aligned, and the first magnet 61 and the second magnet 62 attract each other, so that the support seat 1 is fastened to the base 2.

[0035] For reference Figure 2 As shown, the base 2 is further provided with three first mounting slots 23, wherein two first mounting slots 23 are located at both ends of the base 2 and one first mounting slot 23 is located in the middle of the base 2. Magnets are installed in all three first mounting slots 23. The bearing seat 1 is provided with three second mounting slots 15 corresponding to the three first mounting slots 23. Magnets are installed in all three second mounting slots 15.

[0036] For reference Figure 2 and Figure 3 As shown, in one embodiment of the present invention, both the bottom of the first mounting groove 23 and the second mounting groove 15 are provided with through holes. The through holes facilitate the use of tools to push out the magnets in the first mounting groove 23 and the second mounting groove 15. The through hole located at the bottom of the first mounting groove 23 is marked as the first through hole 24, and the through hole located at the bottom of the second mounting groove 15 is marked as the second through hole 16.

[0037] For reference Figure 1As shown, in one embodiment of this utility model, the clamping member 11 is configured as an arm rotatably connected to the bearing seat 1. The workpiece can be clamped by rotating the arm to be parallel to the bearing seat 1, or the workpiece can be released by rotating the arm to be perpendicular to the bearing seat 1. Furthermore, after the workpiece is clamped, the arm and the bearing seat 1 are also fixed by screw connection.

[0038] For reference Figure 1 As shown, in one embodiment of this utility model, the base 2 is provided with a third opening 21, which is positioned directly opposite the support seat 1. The third opening 21 is connected to the first opening 14 and the second opening 13, in order to ensure that the air at the bottom of the laser engraving station can flow after the support seat 1 is installed on the base 2.

[0039] For reference Figure 2 As shown, in one embodiment of this utility model, the positioning boss 22 is disposed in the positioning groove 25, so that the operator can simultaneously visually observe the positioning boss 22 and the positioning groove 25 when installing the bearing seat 1, and monitor the installation process of the bearing seat 1.

[0040] For reference Figure 1 As shown, in one embodiment of this utility model, one end of the arm is rotatably connected to the base 2, and the other end is connected to a pressure head 121. The arm presses the workpiece through the pressure head 121.

[0041] For reference Figure 1 As shown, in one embodiment of the present invention, the base 2 is provided with connecting portions 26 at both ends along its length direction, the connecting portions 26 are provided with connecting holes 261, the connecting portions 26 are provided for the base 2 to be connected to the laser engraving machine, and the bearing seat 1 is provided with holding portions 19 at both ends along the width direction of the base 2, the holding portions 19 are provided for the operator to hold the bearing seat 1.

[0042] For reference Figure 1 As shown, in one embodiment of the present invention, the base 2 is provided with relief recesses 27 at both ends along its width direction. The relief recesses 27 are provided directly opposite the gripping part 19 along the thickness direction of the base 2. The relief recesses 27 are used to avoid the operator's hand.

[0043] For reference Figure 1 As shown, in one embodiment of this utility model, a connecting block 3 is provided on the base 2, and the connecting block 3 is rotatably connected to the arm body. Further, the connecting block 3 is provided with a screw hole, and the arm body is provided with a connecting hole 111. When the arm body rotates to be parallel to the bearing seat 1, the screw hole and the connecting hole 111 are aligned so that the screw can fix the arm body and the connecting block 3.

[0044] For reference Figure 1As shown, in one embodiment of the present invention, three positioning pins 5 are evenly distributed along the edge of the first opening 14.

[0045] For reference Figure 2 As shown, in one embodiment of this utility model, the first mounting groove 23 is disposed at the bottom of the positioning groove 25. After the support seat 1 is in place, the magnet in the first mounting groove 23 and the magnet in the second mounting groove 15 are quickly attracted to each other, so that the base 2 and the support seat 1 are quickly attached together.

[0046] The working principle of the laser-engraved magnetic positioning fixture described in this utility model is as follows: First, the workpiece is placed on the bearing seat 1 and clamped by the clamping part 11. Then, the bearing seat 1 is installed on the base 2, so that the positioning boss 22 passes through the positioning hole 12. The first magnet 61 and the second magnet 62 use magnetic force to stick the bearing seat 1 and the base 2 together. Finally, the workpiece is processed. After the workpiece is processed, the bearing seat 1 is removed and transferred to the measurement station to measure the workpiece.

[0047] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A laser-engraved magnetic positioning fixture, characterized in that, include, The support base is provided with a clamping element and a positioning hole, wherein the clamping element clamps the workpiece onto the support base; The base is provided with a positioning groove and a positioning boss. The positioning groove accommodates the support seat and the positioning groove is conformally matched with the support seat. The positioning boss is inserted into the positioning hole. Multiple magnets are respectively connected to the support and the base, and the magnets located on the support and the base attract each other.

2. The laser-engraved magnetic positioning fixture according to claim 1, characterized in that, The support base is provided with multiple laser engraving stations, and each laser engraving station is provided with the clamping component.

3. The laser-engraved magnetic positioning fixture according to claim 2, characterized in that, The support base has a first opening and a second opening. The first opening is located at the laser engraving station, and the second opening is located on both sides of the laser engraving station.

4. The laser-engraved magnetic positioning fixture according to claim 3, characterized in that, The first opening has a boss along its edge, and the boss has a positioning pin.

5. A laser-engraved magnetic positioning fixture according to claim 3, characterized in that, The support seat is also provided with a groove, which communicates with the second opening.

6. The laser-engraved magnetic positioning fixture according to claim 1, characterized in that, The support base is provided with a limiting block, and the limiting block has an arc-shaped curved surface that matches the side of the workpiece.

7. A laser-engraved magnetic positioning fixture according to claim 1, characterized in that, The base is provided with a first mounting groove, and the support is provided with a second mounting groove. The first mounting groove is aligned with the second mounting groove, and the magnet is provided in both the first mounting groove and the second mounting groove.

8. A laser-engraved magnetic positioning fixture according to claim 7, characterized in that, Both the first mounting groove and the second mounting groove have through holes at their bottoms.

9. A laser-engraved magnetic positioning fixture according to claim 1, characterized in that, The clamping member is configured as an arm rotatably connected to the support seat, and the arm is also connected to the support seat by screws.

10. A laser-engraved magnetic positioning fixture according to claim 1, characterized in that, The base has a third opening, which is directly opposite the support.

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