Special-shaped part clamp

Abstract

The utility model relates to the technical field of special-shaped part machining, and discloses a special-shaped part clamp which comprises a bottom plate, a motor is installed on the outer side of the bottom plate, the output end of the motor is fixedly connected with a two-way threaded rod, a groove is formed in the driving top of the bottom plate, and a guide rod is fixedly connected to the inner side of the groove. The outer side of the bidirectional threaded rod is in threaded connection with a connecting plate, the top of the connecting plate is fixedly connected with a supporting frame, and the outer side of the supporting frame is fixedly connected with a mounting box. According to the device, the bidirectional threaded rod is driven by the motor to rotate, so that the two supporting frames move in the opposite directions, the two rack plates are close to each other, the left end and the right end of a special-shaped part placed in the clamping plates on the two sliding seats can be clamped at the moment, and when the two rack plates continuously move, the two cylindrical gears can rotate; in this way, the upper face, the lower face, the left face and the right face of the special-shaped piece can be stably clamped.

Description

Technical Field

[0001] The utility model relates to the technical field of special-shaped parts processing, in particular to a special-shaped parts clamp. Background Art

[0002] Special-shaped parts usually refer to irregular and non-standard workpieces or components with complex and diverse shapes, which may include various curved, twisted, and uneven contours. They are very different from common regular shapes such as circles and squares. They may have unique geometric shapes and are difficult to accurately describe with conventional geometric definitions. Fixtures are used to fix such special-shaped parts.

[0003] The tooling fixtures in the prior art usually clamp the two sides toward the center, or clamp the center from the periphery. Both clamping methods are for clamping regular parts. It is difficult to clamp the irregular outside of special-shaped parts firmly. Therefore, the technology in the field proposes a special-shaped part clamp to solve the above problem. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a special-shaped part clamp, which aims to improve the problem that the tooling clamp in the prior art is difficult to firmly clamp the irregular exterior of the special-shaped part.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a special-shaped parts clamp, comprising a base plate, a motor is installed on the outside of the base plate, the output end of the motor is fixedly connected with a two-way threaded rod, the base plate drives a top to open a groove, and the guide rod is fixedly connected to the inner side of the groove, the outer side of the two-way threaded rod is threadedly connected with a connecting plate, the top of the connecting plate is fixedly connected to a support frame, the outer side of the support frame is fixedly connected with an installation box, the interior of the installation box is rotatably connected with two rotating shafts, the outer side of the rotating shaft is fixedly connected with a cylindrical gear, one end of the rotating shaft is fixedly connected with a pressure block, the interior of the installation box is slidably connected with a rack plate, the outer side of the rack plate is fixedly connected with two limit bars, the top of the support frame is fixedly connected with a spring 1, and one end of the rack plate is installed with a replacement component.

[0006] Furthermore, the replacement component includes a mounting block, one side of which is fixedly connected to one end of the rack plate, and two limit members are fixedly connected to the outer side of the mounting block.

[0007] Furthermore, the outer side of the mounting block is slidably connected to a sliding seat, the inner side of the sliding seat is provided with two sliding grooves, and the outer side of the limiting member is fixedly connected to the inner side of the sliding groove.

[0008] Furthermore, a locking rod is slidably connected inside the mounting block, and a sliding ring is fixedly connected outside the locking rod.

[0009] Furthermore, a second spring is sleeved on the outside of the locking rod, one end of the second spring is fixedly connected to the outside of the sliding ring, and the other end of the second spring is fixedly connected to the inner wall of the mounting block.

[0010] Furthermore, a clamping hole is provided on the top of the sliding seat, one end of the locking rod is clamped in the clamping hole, and the other end of the locking rod is fixedly connected with a pull ring.

[0011] Furthermore, the other end of the bidirectional threaded rod is rotatably connected to the inner side of the groove, the inside of the connecting plate is slidably connected to the outer side of the guide rod, and the other end of the spring is fixedly connected to the other end of the rack plate.

[0012] Furthermore, the outer side of the cylindrical gear is meshedly connected with one side of the rack plate, the inner side of the installation box is provided with two limiting grooves, and the outer side of the limiting strip is slidably connected with the limiting grooves.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, by starting the motor, the bidirectional threaded rod rotates under the drive of the motor, and the two support frames move toward each other, so that the two rack plates are close to each other. At this time, the special-shaped parts placed in the clamping plates on the two sliding seats will be clamped at both ends. When the two rack plates continue to move, the two cylindrical gears will rotate, so that the pressure block will rotate and clamp the upper and lower surfaces of the special-shaped parts. In this way, the upper, lower, left and right surfaces of the special-shaped parts can be clamped firmly to prevent the special-shaped parts from loosening during the processing.

[0015] 2. In the utility model, by pulling the pull ring, the locking rod is withdrawn from the inside of the clamping hole, and the locking state between the mounting block and the sliding seat is released. The sliding seat can be withdrawn from the outside of the mounting block, and then the sliding seat carrying different clamps can be replaced for assembly, so as to better cope with special-shaped parts with strange shapes, so that the clamping effect of the clamp is better and the practicality is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of a special-shaped part fixture proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of a pressing block structure of a special-shaped part clamp proposed by the utility model;

[0018] Figure 3 The utility model is a schematic diagram of a sliding seat structure of a special-shaped component clamp.

[0019] Legend:

[0020] 1. Base plate; 2. Motor; 3. Bidirectional threaded rod; 4. Guide rod; 5. Connecting plate; 6. Support frame; 7. Rotating shaft; 8. Cylindrical gear; 9. Pressure block; 10. Rack plate; 11. Limiting strip; 12. Spring 1; 13. Mounting block; 14. Mounting box; 15. Limiting piece; 16. Sliding seat; 17. Slide groove; 18. Clamping hole; 19. Locking rod; 20. Sliding ring; 21. Spring 2. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Reference Figure 1-Figure 3 The utility model provides an embodiment: a special-shaped part clamp, including a base plate 1, a motor 2 is installed on the outer side of the base plate 1, a bidirectional threaded rod 3 is fixedly connected to the output end of the motor 2, the base plate 1 drives the top to open a groove, and a guide rod 4 is fixedly connected to the inner side of the groove, the guide rod 4 plays a guiding effect, and can make the movement of the connecting plate 5 more stable, the outer side of the bidirectional threaded rod 3 is threadedly connected to the connecting plate 5, the top of the connecting plate 5 is fixedly connected to the support frame 6, the support frame 6 is used to support the clamping structure, the outer side of the support frame 6 is fixedly connected to the installation box 14, the internal rotation of the installation box 14 is connected to two rotating shafts 7, the outer side of the rotating shaft 7 is fixedly connected to a cylindrical gear 8, one end of the rotating shaft 7 is fixedly connected to a pressing block 9, the two pressing blocks 9 outside the same installation box 14 are symmetrical, and are used to press up and support the special-shaped parts respectively. , the interior of the mounting box 14 is slidably connected with a rack plate 10, and the outer side of the rack plate 10 is fixedly connected with two limit bars 11, and the top of the support frame 6 is fixedly connected with a spring 12, and the action of the spring 12 can reset the rack plate 10, start the motor 2, and under the drive of the motor 2, the bidirectional threaded rod 3 starts to rotate, and the two connecting plates 5 drive the support frame 6 to move towards each other, so that the two mounting boxes 14 drive the rack plates 10 to approach each other, at this time, the plate-shaped special-shaped part can be placed in the clamping plates connected to the two sliding seats 16, when the two sliding seats 16 continue to approach, the two rack plates 10 will move, and the two cylindrical gears 8 will rotate, so that the pressure block 9 will rotate and press the upper and lower surfaces of the special-shaped part, so that the special-shaped part can be clamped firmly, and a replacement component is installed at one end of the rack plate 10.

[0023] Reference Figure 1-Figure 3The replacement component includes a mounting block 13, one side of the mounting block 13 is fixedly connected to one end of the rack plate 10, two limit members 15 are fixedly connected to the outer side of the mounting block 13, a sliding seat 16 is slidably connected to the outer side of the mounting block 13, and two slide grooves 17 are provided on the inner side of the sliding seat 16. The limit members 15 cooperate with the slide grooves 17 to make the sliding seat 16 slide stably, the outer side of the limit members 15 is fixedly connected to the inner side of the slide grooves 17, a locking rod 19 is slidably connected to the inside of the mounting block 13, a sliding ring 20 is fixedly connected to the outer side of the locking rod 19, and a spring 21 is provided on the outer sleeve of the locking rod 19. The elastic force of the spring 21 can be So that the sliding ring 20 drives the locking rod 19 to quickly reset, one end of the spring 21 is fixedly connected to the outer side of the sliding ring 20, and the other end of the spring 21 is fixedly connected to the inner wall of the mounting block 13. A card hole 18 is opened on the top of the sliding seat 16, and one end of the locking rod 19 is engaged in the inside of the card hole 18. The other end of the locking rod 19 is fixedly connected with a pull ring. Pulling the pull ring makes the locking rod 19 slide downward. When the locking rod 19 is pulled out from the inside of the card hole 18, the sliding seat 16 can be pulled out from the outside of the mounting block 13, and then the sliding seat 16 carrying different splints can be replaced for assembly, which can better adapt to other types of special-shaped parts.

[0024] Reference Figure 1-Figure 3 The other end of the bidirectional threaded rod 3 is rotatably connected to the inner side of the groove, the inside of the connecting plate 5 is slidably connected to the outer side of the guide rod 4, and the guide rod 4 can guide the connecting plate 5 when it moves. The other end of the spring 12 is fixedly connected to the other end of the rack plate 10, and the outer side of the cylindrical gear 8 is meshed with one side of the rack plate 10. Two limit grooves are provided on the inner side of the installation box 14, and the outer side of the limit bar 11 is slidably connected to the limit groove. The limit bar 11 cooperates with the limit groove to enable the rack plate 10 to slide stably inside the installation box 14.

[0025] Working principle: when it is necessary to clamp the special-shaped part, the user can start the motor 2. Under the drive of the motor 2, the bidirectional threaded rod 3 starts to rotate, and the two connecting plates 5 drive the support frame 6 to move towards each other, so that the two mounting boxes 14 drive the rack plate 10 to approach each other. At this time, the plate-shaped special-shaped part can be placed in the clamping plates connected to the two sliding seats 16. When the two sliding seats 16 continue to approach, the two rack plates 10 will move, and the two cylindrical gears 8 will rotate, so that the pressure block 9 will rotate and press the upper and lower surfaces of the special-shaped part, so that the special-shaped part can be clamped firmly. In addition, when clamping special-shaped parts with similar three-dimensional dimensions, the pull ring can be pulled to make the locking rod 19 slide downward. When the locking rod 19 is pulled out from the inside of the clamping hole 18, the sliding seat 16 can be pulled out from the outside of the mounting block 13, and then the sliding seat 16 carrying different clamping plates can be replaced for assembly, which can better adapt to other types of special-shaped parts, greatly improving the practicality of the clamp.

[0026] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. 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 special-shaped part fixture, comprising a base plate (1), characterized in that: A motor (2) is installed on the outer side of the base plate (1), and a bidirectional threaded rod (3) is fixedly connected to the output end of the motor (2). A groove is provided on the top of the base plate (1), and a guide rod (4) is fixedly connected to the inner side of the groove. A connecting plate (5) is threadedly connected to the outer side of the bidirectional threaded rod (3). A support frame (6) is fixedly connected to the top of the connecting plate (5). A mounting box (14) is fixedly connected to the outer side of the support frame (6). Two rotating shafts (7) are rotatably connected inside the mounting box (14). A cylindrical gear (8) is fixedly connected to the outer side of the rotating shaft (7). A pressure block (9) is fixedly connected to one end of the rotating shaft (7). A rack plate (10) is slidably connected inside the mounting box (14). Two limit bars (11) are fixedly connected to the outer side of the rack plate (10). A spring 1 (12) is fixedly connected to the top of the support frame (6), and a replacement component is installed at one end of the rack plate (10).

2. A special-shaped part fixture according to claim 1, characterized in that: The replacement component comprises a mounting block (13), one side of the mounting block (13) is fixedly connected to one end of the rack plate (10), and the outer side of the mounting block (13) is fixedly connected to two limit members (15).

3. A special-shaped part fixture according to claim 2, characterized in that: The outer side of the mounting block (13) is slidably connected to a sliding seat (16), the inner side of the sliding seat (16) is provided with two sliding grooves (17), and the outer side of the limiting member (15) is fixedly connected to the inner side of the sliding groove (17).

4. A special-shaped part fixture according to claim 3, characterized in that: The interior of the mounting block (13) is slidably connected to a locking rod (19), and the exterior of the locking rod (19) is fixedly connected to a sliding ring (20).

5. A special-shaped part fixture according to claim 4, characterized in that: The lock rod (19) is externally sleeved with a second spring (21), one end of the second spring (21) is fixedly connected to the outer side of the sliding ring (20), and the other end of the second spring (21) is fixedly connected to the inner wall of the mounting block (13).

6. A special-shaped part fixture according to claim 5, characterized in that: A clamping hole (18) is provided on the top of the sliding seat (16), one end of the locking rod (19) is clamped inside the clamping hole (18), and the other end of the locking rod (19) is fixedly connected to a pull ring.

7. The special-shaped part fixture according to claim 1, characterized in that: The other end of the bidirectional threaded rod (3) is rotatably connected to the inner side of the groove, the inside of the connecting plate (5) is slidably connected to the outer side of the guide rod (4), and the other end of the spring 1 (12) is fixedly connected to the other end of the rack plate (10).

8. The special-shaped part fixture according to claim 1, characterized in that: The outer side of the cylindrical gear (8) is meshedly connected with one side of the rack plate (10), the inner side of the installation box (14) is provided with two limit grooves, and the outer side of the limit strip (11) is slidably connected with the limit grooves.

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