Sheet metal part machining and positioning jig

Abstract

The utility model discloses a sheet metal part machining positioning jig, relates to the technical field of positioning jigs, and aims to solve the problems that the sheet metal part is clamped by the existing positioning jig through two fixed block structures, but the clamping range is limited, only two surfaces of the sheet metal part can be positioned, and the positioning stability of the sheet metal part is poor. Comprising a mounting hole plate, a positioning seat plate is arranged above the mounting hole plate, a guide sliding groove is formed in the positioning seat plate, and two vertical clamping plates and two base blocks are arranged on the periphery of the guide sliding groove; the connecting sliding block is welded to the bottom of the vertical clamping plate, the vertical clamping plate is movably connected with the guide sliding groove through the connecting sliding block, the two ends of the guide sliding groove are each provided with a through screw hole, and the two through screw holes communicate with the interior of the guide sliding groove; and the threaded linkage rod is movably arranged in the two penetrating screw holes in a penetrating mode, and a connecting rotating head is welded to one end of the threaded linkage rod.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning jigs, in particular to a sheet metal processing positioning jig. Background Art

[0002] During the processing of sheet metal parts, they need to be fixed with the help of positioning fixtures to ensure the stability of the sheet metal parts during the processing and improve the accuracy of sheet metal processing.

[0003] For example, the announcement number is: CN219819406U (named as a sheet metal processing positioning fixture), including a base, a telescopic device and a fixing module, the telescopic devices are provided on both sides of the top of the base, the side of the telescopic device is provided with a fixing module, the fixing module includes a fixing box, a placement cavity, a slide groove, a connecting rod, a spring, a slide bar and a fixing block, the fixing box is provided with a placement cavity, the top of the fixing box is provided with a slide groove, the placement cavity is provided with a spring and a connecting rod, the connecting rod is fixedly connected to the spring, the top of the connecting rod is provided with a slide bar, the slide bar and the slide groove are used in conjunction with each other, the side of the connecting rod is fixedly connected to the fixing block, the telescopic device includes a first telescopic rod, a second telescopic rod, a telescopic cavity, a limiting hole and a butterfly screw, the first telescopic rod is provided with a telescopic cavity, the side of the first telescopic rod is provided with a limiting hole, and the butterfly screw is used in conjunction with the second telescopic rod through the limiting hole.

[0004] The above positioning fixture clamps the sheet metal part by setting two fixed block structures, but the clamping range is limited, and only two sides of the sheet metal part can be positioned, resulting in poor positioning stability of the sheet metal part. For this reason, we provide a sheet metal processing positioning fixture. Utility Model Content

[0005] The purpose of the utility model is to provide a sheet metal processing positioning jig to solve the problem that the existing positioning jig proposed in the above background technology clamps the sheet metal by setting two fixed block structures, but the clamping range is limited and only the two sides of the sheet metal can be positioned, resulting in poor positioning stability of the sheet metal.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: a sheet metal processing positioning fixture, including a mounting hole plate, a positioning seat plate is arranged above the mounting hole plate, a guide slide is arranged inside the positioning seat plate, and two vertical clamping plates and two base blocks are arranged around the guide slide;

[0007] Also includes:

[0008] A connecting slider is welded and arranged at the bottom of the vertical clamping plate. The vertical clamping plate is movably connected to the guide slide groove through the connecting slider. Both ends of the guide slide groove are provided with through screw holes. Both through screw holes are connected to the inside of the guide slide groove.

[0009] The threaded linkage rod is movably arranged inside the two through screw holes, and a connecting head is welded on one end of the threaded linkage rod, and a limited rotation groove is arranged at the rotation connection position between the connecting head and the connecting slider, and the limited rotation groove and the connecting slider are an integrated structure;

[0010] An extension seat is welded on the inner wall of the upper end of the vertical clamping plate, and a through-screw hole is arranged inside the extension seat, a pressing screw rod is movably arranged inside the through-screw hole, and a pressing head is welded at the lower end of the pressing screw rod;

[0011] The sleeve seat is welded on the inner wall of the base block, and a movable rod is arranged at one end of the sleeve seat, and a longitudinal clamping block is welded at one end of the movable rod.

[0012] Preferably, edge connecting blocks are provided on both side outer walls of the connecting slider, the edge connecting blocks and the connecting slider are an integral structure, rollers are provided in the bottom groove of the connecting slider, and the connecting slider is rollingly connected to the guide groove through the rollers.

[0013] Preferably, a limit slot is provided at the connection position between the edge connecting block and the guide slot, and the limit slot and the guide slot are an integrated structure.

[0014] Preferably, a return spring is arranged in the internal cavity of the sleeve seat, and two ends of the return spring are fixedly connected to the sleeve seat and the movable rod respectively by nail-free glue.

[0015] Preferably, a hydraulic cylinder is provided at the upper end of the mounting hole plate, and the piston rod of the hydraulic cylinder is fixedly connected to the bottom of the positioning seat plate by screws.

[0016] Preferably, the other ends of the two threaded linkage rods and the two pressing screw rods are each provided with a screw cap, and the screw cap, the threaded linkage rod and the pressing screw rod are an integral structure.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model performs all-round positioning of sheet metal parts by means of a three-way abutment clamp, thereby improving the stability of the sheet metal parts during processing, and overcoming the problem that the existing positioning fixture clamps the sheet metal parts by means of two fixed block structures, but the clamping range is limited and only two sides of the sheet metal parts can be positioned, resulting in poor positioning stability of the sheet metal parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the sheet metal processing positioning fixture of the utility model;

[0020] Figure 2 This is a schematic diagram of the connection structure between the vertical clamping plate and the guide slide groove of the utility model;

[0021] Figure 3 This is a schematic diagram of the connection structure between the threaded linkage rod and the connecting slider of the utility model;

[0022] Figure 4 It is a schematic diagram of the connection structure between the base block and the longitudinal clamping block of the utility model;

[0023] In the figure: 1. Mounting hole plate; 2. Hydraulic cylinder; 3. Positioning seat plate; 4. Guide slide groove; 5. Vertical clamping plate; 6. Extension seat; 7. Through screw hole; 8. Through screw hole; 9. Threaded linkage rod; 10. Pressing screw; 11. Screw cap; 12. Pressing head; 13. Base block; 14. Longitudinal block; 15. Connecting slide block; 16. Roller; 17. Limiting slot; 18. Edge connecting block; 19. Limiting rotating slot; 20. Connecting rotating head; 21. Sleeve seat; 22. Movable rod; 23. Reset spring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] See also Figure 1-4 The utility model provides an embodiment: a sheet metal processing positioning fixture, including a mounting hole plate 1, a positioning seat plate 3 is arranged above the mounting hole plate 1, a guide slide 4 is arranged inside the positioning seat plate 3, and two vertical clamping plates 5 and two base blocks 13 are arranged around the guide slide 4;

[0026] Also includes:

[0027] A connecting slider 15 is welded to the bottom of the vertical clamping plate 5. The vertical clamping plate 5 is movably connected to the guide slot 4 through the connecting slider 15. Both ends of the guide slot 4 are provided with through screw holes 8. Both through screw holes 8 are connected to the inside of the guide slot 4.

[0028] The threaded linkage rod 9 is movably arranged inside the two through screw holes 8, and a connecting head 20 is welded to one end of the threaded linkage rod 9. A limited rotation groove 19 is arranged at the rotation connection position between the connecting head 20 and the connecting slider 15. The limited rotation groove 19 and the connecting slider 15 are an integral structure.

[0029] The extension seat 6 is welded on the inner wall of the upper end of the vertical clamping plate 5, and a through-screw hole 7 is provided inside the extension seat 6, a pressing screw 10 is movably provided inside the through-screw hole 7, and a pressing head 12 is welded on the lower end of the pressing screw 10;

[0030] The sleeve seat 21 is welded to the inner wall of the base block 13 , and a movable rod 22 is disposed at one end of the sleeve seat 21 , and a longitudinal clamping block 14 is welded to one end of the movable rod 22 .

[0031] When in use, the two vertical clamps are driven to move laterally along the guide groove by rotating the two threaded linkage rods, so that the two vertical clamps abut against the outer walls on both sides of the sheet metal. Finally, the two pressing screws are rotated to guide the two pressing screws along the through-screw holes, thereby abutting the two pressing heads against the upper end position of the sheet metal.

[0032] See also Figure 2 , edge connecting blocks 18 are provided on the outer walls on both sides of the connecting slider 15, the edge connecting blocks 18 and the connecting slider 15 are an integral structure, a roller 16 is provided in the bottom groove of the connecting slider 15, and the connecting slider 15 is rollingly connected to the guide slide groove 4 through the roller 16. The edge connecting blocks 18 provided on the outer walls on both sides of the connecting slider 15 play a role in preventing the connecting slider 15 from falling off.

[0033] See also Figure 2 A limiting slot 17 is provided at the connection position between the edge connecting block 18 and the guide slide groove 4. The limiting slot 17 and the guide slide groove 4 are an integrated structure. The limiting slot 17 provided at the connection position between the edge connecting block 18 and the guide slide groove 4 serves to facilitate the limiting connection activity of the edge connecting block 18.

[0034] See also Figure 4 A return spring 23 is arranged in the internal cavity of the sleeve seat 21. The two ends of the return spring 23 are fixedly connected to the sleeve seat 21 and the movable rod 22 respectively by nail-free glue. The return spring 23 arranged in the internal cavity of the sleeve seat 21 plays the role of applying a top thrust.

[0035] See also Figure 1 A hydraulic cylinder 2 is arranged at the upper end of the mounting hole plate 1, and the piston rod of the hydraulic cylinder 2 is fixedly connected to the bottom of the positioning seat plate 3 by screws. The hydraulic cylinder 2 arranged at the upper end of the mounting hole plate 1 plays a role in driving the positioning seat plate 3 to perform lifting activities.

[0036] See also Figure 1The other ends of the two threaded linkage rods 9 and the two top pressure screws 10 are each provided with a screw cap 11, and the screw cap 11, the threaded linkage rod 9 and the top pressure screw 10 are an integral structure. The screw cap 11 provided at the other ends of the two threaded linkage rods 9 and the two top pressure screws 10 serves to facilitate the rotation of the threaded linkage rods 9 and the top pressure screws 10.

[0037] Working principle: when in use, the sheet metal to be processed is placed between the two vertical clamps 5, and the sheet metal is located between the two longitudinal clamping blocks 14. The two return springs 23 push the two movable rods 22, so that the two longitudinal clamping blocks 14 clamp and abut against the outer wall of the sheet metal. By rotating the two threaded linkage rods 9, the two vertical clamps 5 are driven to move laterally along the guide slide groove 4, so that the two vertical clamps 5 abut against the outer walls of the two sides of the sheet metal. Finally, the two pressing screws 10 are rotated so that the two pressing screws 10 are guided along the through-screw holes 7, and then the two pressing heads 12 abut against the upper end position of the sheet metal. The positioning fixture performs all-round positioning of the sheet metal in the form of a three-way abutting clamp, which improves the stability of the sheet metal during processing. The positioning seat plate 3 is driven by the hydraulic cylinder 2 to be raised and lowered, thereby adjusting the use height of the positioning fixture to meet the operational requirements of sheet metal processing and complete the use of the sheet metal processing positioning fixture.

[0038] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A sheet metal processing positioning fixture, comprising a mounting hole plate (1), a positioning base plate (3) is arranged above the mounting hole plate (1), a guide slide groove (4) is arranged inside the positioning base plate (3), and two vertical clamping plates (5) and two base blocks (13) are arranged around the guide slide groove (4); Features: Also includes: A connecting slider (15) is welded to the bottom of the vertical clamping plate (5), the vertical clamping plate (5) is movably connected to the guide slide groove (4) through the connecting slider (15), and both ends of the guide slide groove (4) are provided with through screw holes (8), and the two through screw holes (8) are connected to the inside of the guide slide groove (4); A threaded linkage rod (9) is movably arranged inside the two through-screw holes (8), and a connecting swivel (20) is welded to one end of the threaded linkage rod (9), and a limited rotation groove (19) is arranged at the rotation connection position between the connecting swivel (20) and the connecting slider (15), and the limited rotation groove (19) and the connecting slider (15) are an integrated structure; An extension seat (6) is welded to the inner wall of the upper end of the vertical clamping plate (5), and a through-threaded screw hole (7) is provided inside the extension seat (6), a pressing screw rod (10) is movably provided inside the through-threaded screw hole (7), and a pressing head (12) is welded to the lower end of the pressing screw rod (10); A sleeve seat (21) is welded on the inner wall of the base block (13), and a movable rod (22) is arranged at one end of the sleeve seat (21), and a longitudinal clamping block (14) is welded at one end of the movable rod (22).

2. A sheet metal processing positioning fixture according to claim 1, characterized in that: Edge connecting blocks (18) are arranged on the outer walls of both sides of the connecting slider (15); the edge connecting blocks (18) and the connecting slider (15) are an integral structure; a roller (16) is arranged in the bottom groove of the connecting slider (15); the connecting slider (15) is rollingly connected to the guide slide groove (4) via the roller (16).

3. A sheet metal processing positioning fixture according to claim 2, characterized in that: A limit slot (17) is provided at the connection position between the edge connecting block (18) and the guide slide slot (4), and the limit slot (17) and the guide slide slot (4) are an integrated structure.

4. A sheet metal processing positioning fixture according to claim 1, characterized in that: A return spring (23) is arranged in the internal cavity of the sleeve seat (21), and two ends of the return spring (23) are fixedly connected to the sleeve seat (21) and the movable rod (22) respectively through nail-free glue.

5. The sheet metal processing positioning fixture according to claim 1, characterized in that: A hydraulic cylinder (2) is provided at the upper end of the mounting hole plate (1), and a piston rod of the hydraulic cylinder (2) is fixedly connected to the bottom of the positioning seat plate (3) via screws.

6. The sheet metal processing positioning fixture according to claim 1, characterized in that: The other ends of the two threaded linkage rods (9) and the two pressing screw rods (10) are each provided with a screw cap (11), and the screw cap (11) and the threaded linkage rods (9) and the pressing screw rods (10) are an integral structure.

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