Circuit board bending device

Abstract

The utility model relates to the technical field of bending devices, and provides a circuit board bending device in order to overcome the defect that in the prior art, the bending precision is low due to the fact that a circuit board is placed at an unstable position in the bending process, and the circuit board bending device comprises a workbench and a circuit board body. The top of the workbench is fixedly provided with a supporting bottom die, the top of the supporting bottom die is provided with a V-shaped groove, and a clamping plate is slidably installed in the V-shaped groove. Through the arrangement of the check block and the clamping plate, the clamping plate is matched with the first limiting block under the pushing of the two reset springs, circuit board bodies of various models can be clamped and fixed, the application range is wide, and the practicability is high. And the circuit board body is more stable when being bent, so that the bending precision is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of bending devices, in particular to a circuit board bending device. Background Art

[0002] In electronic devices, circuit boards often need to be connected to other components, and sometimes the limited space is small, so the circuit boards need to be bent to fit the overall structure of the device. The bent circuit boards can be better laid out and installed inside the device, improving space utilization and performance.

[0003] A circuit board bending device in the prior art (publication number: CN208227454U) achieves multi-purposes by setting a detachable structure for both the punching block and the die base. However, the circuit board relies on its own gravity to slide to the bottom of the inclined slide rail to the top of the die base, collides with the limit baffle and stops under the punching block. The position cannot be accurately adjusted before punching, resulting in low punching and bending accuracy. Therefore, it is urgent to design a circuit board bending device with high bending accuracy. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the prior art that the placement of the circuit board is unstable and cannot be accurately positioned during bending, resulting in low bending accuracy, and proposes a circuit board bending device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A circuit board bending device comprises a workbench and a circuit board body, a stopper is slidably installed on the top of the workbench, a supporting bottom mold is fixedly installed on the top of the workbench, a V-shaped groove is provided on the top of the supporting bottom mold, a clamping plate is slidably installed in the V-shaped groove, two return springs are fixedly installed on one side of the clamping plate, a first limit block and a second limit block are respectively provided at both ends of the supporting bottom mold, the other ends of the two return springs are fixedly installed on one side of the second limit block, the first limit block and the surface of the clamping plate are both provided with slide slot holes, a first positioning block and a second positioning block are respectively slidably installed in the two slide slot holes, and one side of the first positioning block and the second positioning block is abutted against one side of the stopper.

[0007] As a further technical solution of the utility model, the first limit block and the second limit block are both fixedly installed on the top of the workbench by bolts, the adjacent sides of the first positioning block and the second positioning block are flush with the corresponding sides of the first limit block and the clamping plate, the circuit board body is placed between the first limit block and the clamping plate, the bottom of the circuit board body is against the top of the supporting bottom mold, and the left and right sides and the front end of the circuit board body are against the first limit block, the clamping plate and one side of the stop block respectively.

[0008] As a further technical solution of the utility model, a workpiece placement groove is provided on one side of the top of the block, a convex rafter is provided on the top of the block, one side of the first positioning block is fixedly installed on one side of the workpiece placement groove, one side of the second positioning block is provided with a sliding groove adapted to the convex rafter, and the second positioning block is slidably installed on the top of the block through the sliding groove.

[0009] As a further technical solution of the utility model, a side panel is fixedly installed on one side of the top of the workbench, a top panel is fixedly installed on one side of the side panel, a first hydraulic cylinder is fixedly installed on the top of the top panel, a second hydraulic cylinder is fixedly installed on one side of the side panel, a tool beam is provided under the top panel, two circular holes are opened on the top of the top panel, and guide columns are slidably installed in the two circular holes.

[0010] As a further technical solution of the utility model, the tool beam is in an "I"-shaped structure, the top of the tool beam is fixedly mounted to the telescopic end of the first hydraulic cylinder, the bottoms of the two guide columns are fixedly mounted to the top of the tool beam, and the telescopic end of the second hydraulic cylinder is fixedly mounted to one side of the block.

[0011] As a further technical solution of the utility model, a bending knife is slidably installed on the surface of the tool beam, and one side of the bending knife is provided with an installation groove that penetrates its surface and is compatible with the tool beam. The surface of the bending knife is also provided with a threaded hole, and a limiting bolt is threadedly connected to the threaded hole, and one end of the limiting bolt is against one side of the tool beam.

[0012] The beneficial effects of the utility model are:

[0013] By setting a stopper and a clamp, the clamp cooperates with the first limit block under the push of two return springs, so that circuit board bodies of various models can be clamped and fixed, and the circuit board body can be made more stable when bent. By adjusting the position of the stopper to change the bending size, the equipment can accurately locate the bending position, thereby improving the accuracy of the bending size of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural schematic diagram of a circuit board bending device proposed by the utility model;

[0015] Figure 2 This is a side structural schematic diagram of a circuit board bending device proposed by the utility model;

[0016] Figure 3 This is a schematic diagram of a clamping plate structure of a circuit board bending device proposed by the utility model;

[0017] Figure 4 for Figure 3 Schematic diagram of the enlarged structure of part A.

[0018] In the figure: 1. workbench; 2. side plate; 3. top plate; 4. stopper; 5. first limit block; 6. circuit board body; 7. clamping plate; 8. supporting bottom mold; 9. second limit block; 10. reset spring; 11. tool beam; 12. guide column; 13. first hydraulic cylinder; 14. bending knife; 15. second hydraulic cylinder; 16. first positioning block; 17. second positioning block; 18. limit bolt; 401. workpiece placement groove; 402. convex rafter. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] Please refer to the attached Figure 1 -Attached Figure 4 A circuit board bending device comprises a workbench 1 and a circuit board body 6, a stopper 4 is slidably installed on the top of the workbench 1, a supporting bottom mold 8 is fixedly installed on the top of the workbench 1, a V-shaped groove is provided on the top of the supporting bottom mold 8, a clamping plate 7 is slidably installed in the V-shaped groove, two return springs 10 are fixedly installed on one side of the clamping plate 7, a first limit block 5 and a second limit block 9 are respectively provided at both ends of the supporting bottom mold 8, the other ends of the two return springs 10 are fixedly installed on one side of the second limit block 9, the first limit block 5 and the clamping plate 7 are provided with a slide slot hole on the surface, a first positioning block 16 and a second positioning block 17 are respectively slidably installed in the two slide slot holes, and one side of the first positioning block 16 and the second positioning block 17 are against one side of the stopper 4.

[0023] When in use, by setting the stop block 4 and the clamping plate 7, appropriate distance adjustment is performed on both sides of the circuit board body 6 to be bent so as to meet the bending size requirements. At the same time, as the clamping plate 7 cooperates with the first limit block 5 under the push of the two return springs 10, the circuit board body 6 is clamped on the top of the supporting bottom mold 8, which improves the application range of the equipment and makes the circuit board body 6 more stable when bending. By adjusting the position of the stop block 4 to change the bending size, the equipment can meet more bending size requirements, realize accurate positioning of the bending position, and improve the bending accuracy of the equipment.

[0024] In this embodiment, the first limit block 5 and the second limit block 9 are both fixedly installed on the top of the workbench 1 by bolts, the adjacent sides of the first positioning block 16 and the second positioning block 17 are flush with the corresponding sides of the first limit block 5 and the clamping plate 7 respectively, the circuit board body 6 is placed between the first limit block 5 and the clamping plate 7, the bottom of the circuit board body 6 is abutted against the top of the supporting bottom mold 8, the left and right sides and the front end of the circuit board body 6 are respectively abutted against the first limit block 5, the clamping plate 7 and one side of the stop block 4, a workpiece placement groove 401 is opened on one side of the top of the stop block 4, and a convex rafter 402 is opened on the top of the stop block 4, one side of the first positioning block 16 is fixedly installed with one side of the workpiece placement groove 401, and one side of the second positioning block 17 is opened with a slide groove matched with the convex rafter 402, and the second positioning block 17 is slidably installed on the top of the stop block 4 through the slide groove.

[0025] When in use, the first positioning block 16 and the second positioning block 17 slide in the sliding slot holes provided in the first limit block 5 and the clamping plate 7 respectively as the position of the stop block 4 changes, so as to ensure that when one end of the circuit board body 6 is against the workpiece placement groove 401, the two sides are respectively limited and fixed by the first positioning block 16 and the second positioning block 17, thereby improving the equipment to meet the bending size changes while ensuring the stability of the circuit board body 6 when bending.

[0026] In this embodiment, a side plate 2 is fixedly installed on one side of the top of the workbench 1, a top plate 3 is fixedly installed on one side of the side plate 2, a first hydraulic cylinder 13 is fixedly installed on the top of the top plate 3, and a second hydraulic cylinder 15 is fixedly installed on one side of the side plate 2. A tool beam 11 is provided below the top plate 3, and two circular holes are provided on the top of the top plate 3, and guide columns 12 are slidably installed in the two circular holes. The tool beam 11 is in an "I"-shaped structure, and the top of the tool beam 11 is fixedly installed on the telescopic end of the first hydraulic cylinder 13, and the bottoms of the two guide columns 12 are fixedly installed on the top of the tool beam 11, and the telescopic end of the second hydraulic cylinder 15 is fixedly installed on one side of the stopper 4. A bending knife 14 is slidably installed on the surface of the tool beam 11, and a mounting groove that runs through the surface of the bending knife 14 and is compatible with the tool beam 11 is provided on one side of the bending knife 14. A threaded hole is also provided on the surface of the bending knife 14, and a limiting bolt 18 is threadedly connected in the threaded hole, and one end of the limiting bolt 18 is against one side of the tool beam 11.

[0027] When in use, a slidably mounted bending knife 14 and a supporting bottom die 8 are provided, so that the supporting bottom die 8 and the bending knife 14 of different specifications can be replaced according to actual bending needs. The replacement operation is convenient, and the practicability of the equipment is improved.

[0028] From the above description, it can be seen that the above-mentioned embodiment of the present invention achieves the following technical effects: when in use, according to the requirements of the bending size, the supporting bottom die 8 and the bending knife 14 of appropriate specifications are selected, the second limit block 9 is generally not disassembled, and when replacing the supporting bottom die 8, only the first limit block 5 is disassembled, and the supporting bottom die 8 is slidably installed on the guide rail set on the top of the workbench 1, and then the first limit block 5 is installed to clamp the supporting bottom die 8, and at the same time, the clamping plate 7 is slidably installed in the V-shaped groove provided in the supporting bottom die 8, and then the stopper 4 is driven to slide by the second hydraulic cylinder 15 to adjust it with the V-shaped groove. The supporting bottom mold 8 is maintained at an appropriate distance, and then the circuit board body 6 to be bent is placed on the top of the supporting bottom mold 8, and then one end of it is pushed toward the stopper 4 until one side of it is against the vertical side in the workpiece placement groove 401. During the pushing process, the clamping plate 7 is always against one side of the circuit board body 6. After the circuit board body is placed in place, its bottom and three sides are limited to complete the positioning and clamping. Finally, the first hydraulic cylinder 13 is started to drive the tool beam 11 to move downward. A bending knife 14 of appropriate specifications is installed on the surface of the tool beam 11. The tool beam 11 drives the bending knife 14 to accurately bend the circuit board body 6.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A circuit board bending device, comprising a workbench (1) and a circuit board body (6), characterized in that: A stopper (4) is slidably mounted on the top of the workbench (1); a supporting bottom mold (8) is fixedly mounted on the top of the workbench (1); a V-shaped groove is provided on the top of the supporting bottom mold (8); a clamping plate (7) is slidably mounted in the V-shaped groove; two return springs (10) are fixedly mounted on one side of the clamping plate (7); a first limit block (5) and a second limit block (9) are respectively provided at both ends of the supporting bottom mold (8); the other ends of the two return springs (10) are fixedly mounted on one side of the second limit block (9); a sliding groove hole is provided on the surface of the first limit block (5) and the clamping plate (7); a first positioning block (16) and a second positioning block (17) are respectively slidably mounted in the two sliding groove holes; one side of the first positioning block (16) and the second positioning block (17) abuts against one side of the stopper (4).

2. A circuit board bending device according to claim 1, characterized in that: The first limit block (5) and the second limit block (9) are both fixedly mounted on the top of the workbench (1) by means of bolts; the adjacent sides of the first positioning block (16) and the second positioning block (17) are respectively flush with the corresponding sides of the first limit block (5) and the clamping plate (7); the circuit board body (6) is placed between the first limit block (5) and the clamping plate (7); the bottom of the circuit board body (6) abuts against the top of the supporting bottom mold (8); the left and right sides and the front end of the circuit board body (6) abut against the first limit block (5), the clamping plate (7) and one side of the stopper (4).

3. A circuit board bending device according to claim 2, characterized in that: A workpiece placement groove (401) is provided on one side of the top of the stopper (4), a convex rafter (402) is provided on the top of the stopper (4), one side of the first positioning block (16) is fixedly installed with one side of the workpiece placement groove (401), one side of the second positioning block (17) is provided with a sliding groove matched with the convex rafter (402), and the second positioning block (17) is slidably installed on the top of the stopper (4) through the sliding groove.

4. A circuit board bending device according to claim 1, characterized in that: A side plate (2) is fixedly mounted on one side of the top of the workbench (1), a top plate (3) is fixedly mounted on one side of the side plate (2), a first hydraulic cylinder (13) is fixedly mounted on the top of the top plate (3), a second hydraulic cylinder (15) is fixedly mounted on one side of the side plate (2), a tool beam (11) is provided below the top plate (3), two circular holes are provided on the top of the top plate (3), and guide columns (12) are slidably mounted in both of the two circular holes.

5. A circuit board bending device according to claim 4, characterized in that: The tool beam (11) is in an "I"-shaped structure; the top of the tool beam (11) is fixedly mounted to the telescopic end of the first hydraulic cylinder (13); the bottoms of the two guide columns (12) are fixedly mounted to the top of the tool beam (11); and the telescopic end of the second hydraulic cylinder (15) is fixedly mounted to one side of the stopper (4).

6. A circuit board bending device according to claim 5, characterized in that: A bending knife (14) is slidably mounted on the surface of the tool beam (11); a mounting groove penetrating the surface of the bending knife (14) and matching the tool beam (11) is provided on one side of the bending knife (14); a threaded hole is also provided on the surface of the bending knife (14); a limiting bolt (18) is threadedly connected to the threaded hole; one end of the limiting bolt (18) abuts against one side of the tool beam (11).

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