Synchronous symmetrical clamping device

Abstract

The utility model relates to the technical field of automobile part manufacturing, in particular to a synchronous symmetrical clamping device. Comprising a machining tool platform, two sets of fixed clamping plates are symmetrically arranged at the top of the machining tool platform, a supporting rectangular block is arranged at the top of the machining tool platform, a connecting lead screw is arranged in the supporting rectangular block in a penetrating mode, and a square groove is formed in the center of the top of the supporting rectangular block; a sliding groove holder is arranged at the top of the supporting rectangular block, an arc-shaped groove is formed in the top of the sliding groove holder, a trapezoidal sliding block is arranged above the supporting rectangular block, two sets of wedge-shaped sliding grooves are symmetrically formed in the upper portion of the supporting rectangular block, and two sets of rectangular sliding blocks are symmetrically arranged above the supporting rectangular block; and two groups of limiting top blocks are symmetrically arranged above the supporting rectangular block. A plurality of sets of clamping devices can be arranged, so that synchronous clamping of a plurality of workpieces is completed, and the production and machining efficiency of a production line is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts manufacturing, and particularly relates to a synchronous symmetrical clamping device. Background Art

[0002] Auto parts and accessories require clamping devices to fix them during the manufacturing process. However, in the actual production process, the efficiency of clamping workpieces with a single clamping device is low. If a symmetrical clamping mechanism is used, multiple workpieces can be clamped synchronously, thereby improving the production and processing efficiency of the production line.

[0003] After searching, in the prior art, China Patent Publication No.: CN217889599U, Authorization Date: 2022-11-25, discloses a high-speed drilling workbench workpiece clamping device, including a screw adjustment mechanism, a clamp and a gear rack mechanism arranged on the workbench, the screw adjustment mechanism includes a bidirectional threaded screw and a slide rail, the two ends of the bidirectional threaded screw are rotatably connected to the two ends of the slide rail, and the two ends of the slide rail are slidably arranged in the side slide groove of the workbench; a plurality of the clamps are symmetrically arranged on the bidirectional threaded screw through a nut slide, the nut slide is slidably connected to the slide rail, a clamping claw is arranged in the middle of the clamp, and the gear rack mechanism is arranged on the middle support frame of the workbench, and a positioning connector is provided at the rack end of the gear rack mechanism, and the rack end is connected to the slide rail through the positioning connector.

[0004] However, the device still has the following drawbacks: Although the above embodiment achieves automatic synchronous clamping, improves processing stability and accuracy, and increases the applicability of the drilling workbench while ensuring that the positions of the clamping devices do not conflict, the device is limited in its ability to clamp special-shaped parts. Utility Model Content

[0005] In response to the above problems, the utility model provides a synchronous symmetrical clamping device, comprising a processing tooling platform, two sets of fixed clamping plates are symmetrically provided on the top of the processing tooling platform, a driving cylinder is provided at the bottom of the processing tooling platform, a supporting rectangular block is provided on the top of the processing tooling platform, a connecting screw is provided through the interior of the supporting rectangular block, a square groove is provided at the center of the top of the supporting rectangular block, a sliding groove holder is provided on the top of the supporting rectangular block, and a circular arc groove is provided on the top of the sliding groove holder;

[0006] A trapezoidal sliding block is provided above the supporting rectangular block, two groups of wedge-shaped sliding grooves are symmetrically provided above the supporting rectangular block, two groups of rectangular sliding blocks are symmetrically provided above the supporting rectangular block, and two groups of limiting top blocks are symmetrically provided above the supporting rectangular block. Two groups of mounting screw holes are provided on the surfaces of the two groups of limiting top blocks, and a group of third mounting bolts is passed through the interior of each group of mounting screw holes.

[0007] Furthermore, a plurality of groups of fixed support legs are provided at the bottom of the processing tooling platform, and the plurality of groups of fixed support legs are all located at the bottom corners of the processing tooling platform.

[0008] Furthermore, the two groups of fixed clamping plates are respectively located at the top two end edges of the processing tooling platform, and the two groups of fixed clamping plates are L-shaped structures, and two groups of first mounting bolts are penetrated through the surface of each group of fixed clamping plates.

[0009] Furthermore, several groups of the first mounting bolts are threadedly connected to the top of the processing tooling platform after passing through the two groups of fixed clamping plates, and a group of anti-slip fixing pads are provided on the opposite surfaces of the two groups of fixed clamping plates.

[0010] Furthermore, a limit cavity is opened at the bottom center of the processing tooling platform, the driving cylinder is located inside the limit cavity, and a plurality of groups of second mounting bolts are provided on the surface of the driving cylinder, and the driving cylinder is connected to the processing tooling platform through the plurality of groups of second mounting bolts.

[0011] Furthermore, the central axis of the supporting rectangular block coincides with the central axis of the processing tooling platform, and a transmission support rod is provided through the interior of the supporting rectangular block. The bottom end of the transmission support rod is transmission-connected to the output end of the driving cylinder, one end of the connecting screw rod is movably engaged with the top end of the transmission support rod, and the other end of the connecting screw rod is threadedly connected to a limiting block.

[0012] Furthermore, the sliding groove retainer is embedded in the inside of the square groove, and the connecting screw rod passes through the sliding groove retainer, the trapezoidal sliding block is slidably sleeved on the surface of the connecting screw rod, and the bottom ends of the two groups of wedge-shaped sliding grooves are slidably fitted with the arc-shaped grooves.

[0013] Furthermore, the two groups of wedge-shaped sliding grooves are slidably engaged with both sides of the trapezoidal sliding block, the bottom ends of the two groups of rectangular sliding blocks are slidably engaged with the arc-shaped grooves, and the two groups of rectangular sliding blocks are respectively fitted and connected with the two groups of wedge-shaped sliding grooves.

[0014] The beneficial effects of the utility model are:

[0015] 1. The various components are integrated together by supporting rectangular blocks, and a square groove is opened on the surface of the supporting rectangular blocks. The sliding groove holder is installed inside the square groove, thereby ensuring the stability of the sliding groove holder, so that the clamping device will not deviate during use, thereby causing the workpiece clamping failure. Then, the two sets of limit top blocks are set as a symmetrical structure, and the third mounting bolts are passed through the rectangular sliding blocks and then threadedly connected to the wedge-shaped sliding groove. Then, the bottom ends of the two sets of rectangular sliding blocks are slidably engaged with the arc-shaped groove, which can ensure that the two sets of rectangular sliding blocks can slide stably while improving the stability of the equipment.

[0016] 2. Both sets of wedge-shaped sliding grooves are trapezoidal structures, with a completely through notch with a certain slope inside for installation with both sides of the trapezoidal sliding block. The sliding groove retainer is provided with an arc-shaped groove inside, so that the two sets of rectangular sliding blocks can move symmetrically left and right along the same horizontal line, improving the practicality of the equipment while achieving the effect of improving the clamping accuracy.

[0017] 3. The clamping device drives the trapezoidal sliding block to move vertically by driving the cylinder to push and connect the screw rod. The trapezoidal sliding block is installed on two sets of wedge-shaped sliding grooves with a certain inclination. The force decomposition caused by the inclination can push the two sets of wedge-shaped sliding grooves, and the two sets of wedge-shaped sliding grooves are fixed as a whole with the two sets of rectangular sliding blocks and two sets of limit top blocks, so as to realize the synchronous clamping effect of the two sets of limit top blocks and the two sets of fixed clamping plates on the workpiece.

[0018] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be achieved and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 Shows a structural schematic diagram according to an embodiment of the present utility model;

[0021] Figure 2 A schematic diagram of a supporting rectangular structure according to an embodiment of the present utility model is shown;

[0022] Figure 3Shows a schematic structural diagram of a driving cylinder according to an embodiment of the utility model;

[0023] Figure 4 A schematic structural diagram of a sliding groove retainer according to an embodiment of the present utility model is shown.

[0024] In the figure: 1. Processing tooling platform; 2. Fixed clamping plate; 3. First mounting bolt; 4. Anti-slip fixing pad; 5. Fixed support leg; 6. Driving cylinder; 7. Support rectangular block; 8. Second mounting bolt; 9. Transmission support rod; 10. Connecting screw; 11. Limiting block; 12. Square groove; 13. Sliding groove retainer; 14. Arc groove; 15. Trapezoidal sliding block; 16. Wedge-shaped sliding groove; 17. Rectangular sliding block; 18. Limiting top block; 19. Mounting screw hole; 20. Third mounting bolt; 21. Limiting cavity. DETAILED DESCRIPTION

[0025] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0026] The embodiment of the present utility model provides a synchronous symmetrical clamping device, including a processing tooling platform 1; illustratively, as Figure 1-4 shown.

[0027] The bottom of the processing tooling platform 1 is provided with several groups of fixed support legs 5, and the several groups of fixed support legs 5 are all located at the bottom corners of the processing tooling platform 1. The top of the processing tooling platform 1 is symmetrically provided with two groups of fixed clamping plates 2, and the two groups of fixed clamping plates 2 are respectively located at the two end edges of the top of the processing tooling platform 1, and the two groups of fixed clamping plates 2 are L-shaped structures. The surface of each group of fixed clamping plates 2 is penetrated by two groups of first mounting bolts 3;

[0028] Several groups of the first mounting bolts 3 are threadedly connected to the top of the processing tooling platform 1 after passing through the two groups of fixed clamping plates 2. A group of anti-slip fixing pads 4 are provided on the opposite surfaces of the two groups of fixed clamping plates 2. A limiting cavity 21 is provided at the center of the bottom of the processing tooling platform 1. A driving cylinder 6 is provided at the bottom of the processing tooling platform 1. The driving cylinder 6 is located inside the limiting cavity 21, and a group of second mounting bolts 8 are provided on the surface of the driving cylinder 6.

[0029] The driving cylinder 6 is connected to the processing tooling platform 1 through several groups of second mounting bolts 8. A supporting rectangular block 7 is provided on the top of the processing tooling platform 1. The central axis of the supporting rectangular block 7 coincides with the central axis of the processing tooling platform 1. A transmission support rod 9 is provided inside the supporting rectangular block 7. The bottom end of the transmission support rod 9 is transmission-connected to the output end of the driving cylinder 6. A connecting screw 10 is provided inside the supporting rectangular block 7.

[0030] One end of the connecting screw rod 10 is movably connected to the top of the transmission support rod 9, and the other end of the connecting screw rod 10 is threadedly connected to the limit block 11. A square groove 12 is provided at the center of the top of the supporting rectangular block 7. A sliding groove holder 13 is provided on the top of the supporting rectangular block 7. The sliding groove holder 13 is embedded in the inside of the square groove 12, and the connecting screw rod 10 passes through the sliding groove holder 13. The top of the sliding groove holder 13 is provided with an arc-shaped groove 14;

[0031] A trapezoidal sliding block 15 is provided above the supporting rectangular block 7, and the trapezoidal sliding block 15 is slidably sleeved on the surface of the connecting screw 10. Two groups of wedge-shaped sliding grooves 16 are symmetrically provided above the supporting rectangular block 7. The bottom ends of the two groups of wedge-shaped sliding grooves 16 are slidably connected with the arc-shaped grooves 14. The two groups of wedge-shaped sliding grooves 16 are slidably engaged with the two sides of the trapezoidal sliding block 15. Two groups of rectangular sliding blocks 17 are symmetrically provided above the supporting rectangular block 7;

[0032] The bottom ends of the two groups of rectangular sliding blocks 17 are slidably engaged with the arc-shaped grooves 14, and the two groups of rectangular sliding blocks 17 are respectively fitted and connected with the two groups of wedge-shaped sliding grooves 16. Two groups of limiting top blocks 18 are symmetrically provided above the supporting rectangular block 7. Two groups of mounting screw holes 19 are opened on the surfaces of the two groups of limiting top blocks 18. A group of third mounting bolts 20 are penetrated inside each group of mounting screw holes 19. Each group of third mounting bolts 20 passes through the rectangular sliding block 17 and is threadedly connected to the wedge-shaped sliding groove 16.

[0033] Specifically, the various components are integrated together through the supporting rectangular block 7, and a square groove 12 is opened on the surface of the supporting rectangular block. The sliding groove holder 13 is installed inside the square groove 12, thereby ensuring the stability of the sliding groove holder 13, so that the clamping device will not deviate during use, thereby causing the workpiece clamping failure. Then, the two groups of the limiting top blocks 18 are arranged in a symmetrical structure, and the third mounting bolts 20 are threadedly connected to the wedge-shaped sliding groove 16 after passing through the rectangular sliding block 17. Then, the bottom ends of the two groups of the rectangular sliding blocks 17 are slidably engaged with the arc-shaped groove 14, so that the two groups of the rectangular sliding blocks 17 can be ensured to slide stably.

[0034] The two sets of wedge-shaped sliding grooves 16 are both trapezoidal in structure, with a completely through notch with a certain slope inside for mounting on both sides of the trapezoidal sliding block 15. The arc-shaped groove 14 is opened inside the sliding groove holder 13, so that the two sets of rectangular sliding blocks 17 can move symmetrically left and right along the same horizontal line.

[0035] The clamping device drives the trapezoidal sliding block 15 to move vertically by pushing the connecting screw 10 through the driving cylinder 6. The trapezoidal sliding block 15 is installed on two groups of wedge-shaped sliding grooves 16 with a certain inclination. The force decomposition caused by the inclination can push the two groups of wedge-shaped sliding grooves 16, and the two groups of wedge-shaped sliding grooves 16 are fixed as a whole with the two groups of rectangular sliding blocks 17 and the two groups of limiting top blocks 18, thereby realizing the synchronous clamping effect of the two groups of limiting top blocks 18 and the two groups of fixed clamping plates 2 on the workpiece.

[0036] The working principle of the synchronous symmetrical clamping device proposed in the embodiment of the present invention is as follows:

[0037] The various components are integrated together by supporting the rectangular block 7. A square groove 12 is opened on the surface of the supporting rectangular block. The sliding groove holder 13 is installed inside the square groove 12, thereby ensuring the stability of the sliding groove holder 13, so that the clamping device will not deviate during use, thereby causing the workpiece clamping to fail. Then, the two sets of limit top blocks 18 are arranged in a symmetrical structure. After the third mounting bolts 20 are passed through the rectangular sliding block 17, they are threadedly connected to the wedge-shaped sliding groove 16. Then, the bottom ends of the two sets of rectangular sliding blocks 17 are slidably engaged with the arc-shaped groove 14, which can ensure that the two sets of rectangular sliding blocks 17 can slide stably.

[0038] The two sets of wedge-shaped sliding grooves 16 are both trapezoidal in structure, with a completely through notch with a certain slope inside for mounting on both sides of the trapezoidal sliding block 15. The sliding groove holder 13 has an arc-shaped groove 14 inside, so that the two sets of rectangular sliding blocks 17 can move symmetrically left and right along the same horizontal line.

[0039] The clamping device drives the trapezoidal sliding block 15 to move vertically by driving the cylinder 6 and the connecting screw 10. The trapezoidal sliding block 15 is installed on two groups of wedge-shaped sliding grooves 16 with a certain inclination. The force decomposition caused by the inclination can push the two groups of wedge-shaped sliding grooves 16, and the two groups of wedge-shaped sliding grooves 16 are fixed as a whole with the two groups of rectangular sliding blocks 17 and the two groups of limiting top blocks 18, thereby realizing the synchronous clamping effect of the two groups of limiting top blocks 18 and the two groups of fixed clamping plates 2 on the workpiece.

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A synchronous symmetrical clamping device, comprising a processing tooling platform (1), characterized in that: Two groups of fixed clamping plates (2) are symmetrically provided on the top of the processing tooling platform (1), a driving cylinder (6) is provided on the bottom of the processing tooling platform (1), a supporting rectangular block (7) is provided on the top of the processing tooling platform (1), a connecting screw (10) is provided through the interior of the supporting rectangular block (7), a square groove (12) is provided at the center of the top of the supporting rectangular block (7), a sliding groove holder (13) is provided on the top of the supporting rectangular block (7), and a circular arc groove (14) is provided on the top of the sliding groove holder (13); A trapezoidal sliding block (15) is provided above the supporting rectangular block (7), two groups of wedge-shaped sliding grooves (16) are symmetrically provided above the supporting rectangular block (7), two groups of rectangular sliding blocks (17) are symmetrically provided above the supporting rectangular block (7), and two groups of limiting top blocks (18) are symmetrically provided above the supporting rectangular block (7), and two groups of mounting screw holes (19) are provided on the surfaces of the two groups of limiting top blocks (18), and a group of third mounting bolts (20) is penetrated inside each group of mounting screw holes (19).

2. The synchronous symmetrical clamping device according to claim 1, characterized in that: The bottom of the processing tooling platform (1) is provided with a plurality of groups of fixed support legs (5), and the plurality of groups of fixed support legs (5) are all located at the bottom corners of the processing tooling platform (1).

3. The synchronous symmetrical clamping device according to claim 2, characterized in that: The two groups of fixed clamping plates (2) are respectively located at the top two end edges of the processing tooling platform (1), and the two groups of fixed clamping plates (2) are L-shaped structures. Two groups of first mounting bolts (3) are provided through the surface of each group of fixed clamping plates (2).

4. The synchronous symmetrical clamping device according to claim 3, characterized in that: Several groups of the first mounting bolts (3) are passed through two groups of fixed clamping plates (2) and are then threadedly connected to the top of the processing tooling platform (1). The opposing surfaces of the two groups of fixed clamping plates (2) are each provided with a group of anti-slip fixing pads (4).

5. The synchronous symmetrical clamping device according to claim 1, characterized in that: A limiting cavity (21) is provided at the bottom center of the processing tooling platform (1), the driving cylinder (6) is located inside the limiting cavity (21), and a plurality of groups of second mounting bolts (8) are provided on the surface of the driving cylinder (6), and the driving cylinder (6) is connected to the processing tooling platform (1) via the plurality of groups of second mounting bolts (8).

6. The synchronous symmetrical clamping device according to claim 5, characterized in that: The central axis of the supporting rectangular block (7) coincides with the central axis of the processing tooling platform (1); a transmission support rod (9) is provided through the interior of the supporting rectangular block (7); the bottom end of the transmission support rod (9) is transmission-connected to the output end of the driving cylinder (6); one end of the connecting screw rod (10) is movably engaged with the top end of the transmission support rod (9), and the other end of the connecting screw rod (10) is threadedly connected to a limiting block (11).

7. The synchronous symmetrical clamping device according to claim 2, characterized in that: The sliding groove retainer (13) is embedded in the interior of the square groove (12), and the connecting screw (10) passes through the sliding groove retainer (13), the trapezoidal sliding block (15) is slidably sleeved on the surface of the connecting screw (10), and the bottom ends of the two groups of wedge-shaped sliding grooves (16) are slidably fitted and connected with the arc-shaped groove (14).

8. The synchronous symmetrical clamping device according to claim 1, characterized in that: The two groups of wedge-shaped sliding grooves (16) are both slidably engaged with the two sides of the trapezoidal sliding block (15), the bottom ends of the two groups of rectangular sliding blocks (17) are both slidably engaged with the arc-shaped grooves (14), and the two groups of rectangular sliding blocks (17) are respectively fitted and connected with the two groups of wedge-shaped sliding grooves (16).

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