Combined hot riveting jig

Abstract

The utility model relates to hot riveting jig field discloses a combined hot riveting jig, including jig main part and two heat dissipation fans, the jig main part bottom upper end is provided with moving mechanism, the jig main part upper portion is provided with hot riveting mechanism. In the utility model, the close cooperation of moving mechanism and clamping mechanism provides accurate guarantee for hot riveting processing, moving mechanism adopts double screw rod drive system, and first motor drives first screw rod and drives first mobile seat to slide, and second motor drives second screw rod and makes second mobile seat move, and both coordinate operation, can realize accurate positioning in plane, ensure that workpiece is accurately in hot riveting station, and clamping mechanism can be according to workpiece size, through the flexible adjustment clamping plate spacing of rotating screw rod, firmly fix workpiece, through the design of moving mechanism, both ensure the accuracy of workpiece positioning, and ensure that workpiece does not appear displacement in hot riveting process, effectively promote the precision and stability of hot riveting processing.

Description

Technical Field

[0001] This utility model relates to the field of hot riveting fixtures, and in particular to a combined hot riveting fixture. Background Technology

[0002] Hot riveting fixtures are specialized tooling equipment used in hot riveting processes. During the connection of plastic or metal parts, they heat the rivet post to a molten state through built-in heating elements. At the same time, with the help of mold positioning and pressure devices, the softened rivet post is deformed under pressure. After cooling, the parts are firmly connected. Hot riveting fixtures can precisely control temperature, pressure and time to ensure stable riveting quality. They are widely used in the assembly of automotive interiors and electronic product shells.

[0003] Existing hot riveting fixtures often have poor adaptability of clamping devices, making it impossible to quickly adjust them to accommodate workpieces of different sizes and types. Changing clamping components is cumbersome and time-consuming, reducing production efficiency. Therefore, those skilled in the art have provided a combined hot riveting fixture to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a combined hot riveting fixture. This fixture ensures that the workpiece will not shift during the hot riveting process, effectively improving the accuracy and stability of hot riveting and meeting the needs of high-quality production.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A combined hot riveting fixture includes a fixture body and two cooling fans. A moving mechanism is provided at the upper bottom of the fixture body, a hot riveting mechanism is provided at the upper part of the fixture body, and a clamping mechanism is provided at the upper end of the moving mechanism.

[0007] The moving mechanism includes a first moving base, a first motor, and a second moving base. A first lead screw is fixedly installed at the output end of the first motor. A second motor is fixedly installed on one side of the upper end of the second moving base, and a second lead screw is fixedly installed at the output end of the second motor. The clamping mechanism includes a fixed frame and two clamping plates. Threaded rods are threadedly connected to both sides of the fixed frame. A connecting block is fixedly installed on one side of each of the two threaded rods. A rotating block is rotatably installed on one side of each of the two clamping plates.

[0008] Furthermore, the main body of the fixture includes a base and a control seat. Support rods are fixedly installed at the four corners of the upper end of the base, and the four corners of the lower end of the control seat are fixedly connected to the support rods.

[0009] Furthermore, the first movable seat is threaded onto the outer surface of the first lead screw at its center, and the first movable seat is slidably disposed on the upper end of the base.

[0010] Furthermore, the second movable seat is threaded in the middle onto the outer surface of the second lead screw, and the second movable seat is slidably disposed on the upper end of the first movable seat.

[0011] Furthermore, the hot riveting mechanism includes a hydraulic cylinder and a movable plate, with a heating plate fixedly disposed at the lower end of the movable plate and a mounting plate fixedly disposed at the lower end of the heating plate.

[0012] Furthermore, the lower end of the mounting plate is fixedly provided with multiple rivets, the four corners of the movable plate are slidably sleeved on the outer surface of the support rod, and the output end of the hydraulic cylinder is fixedly connected to the movable plate.

[0013] Furthermore, both connecting blocks are fixedly connected by bolts and rotating blocks.

[0014] Furthermore, the two cooling fans are respectively fixedly mounted on both sides of the movable plate.

[0015] This utility model has the following beneficial effects:

[0016] 1. This utility model proposes a combined hot riveting fixture. The close cooperation between the moving mechanism and the clamping mechanism provides precise assurance for hot riveting processing. The moving mechanism adopts a double lead screw transmission system. The first motor drives the first lead screw to slide the first moving seat, and the second motor drives the second lead screw to move the second moving seat. The two work together to achieve precise positioning in the plane, ensuring that the workpiece is accurately placed in the hot riveting position. The clamping mechanism can flexibly adjust the spacing of the clamping plates according to the workpiece size by rotating the threaded rod to firmly fix the workpiece. Through the design of the moving mechanism, the accuracy of workpiece positioning is guaranteed, and the workpiece will not be displaced during the hot riveting process, effectively improving the precision and stability of hot riveting processing and meeting the needs of high-quality production.

[0017] 2. The present invention proposes a combined hot riveting fixture in which the rotating block and connecting block in the clamping mechanism are fixed by bolts, which greatly improves the flexibility of the fixture. When facing different types of workpieces, if it is necessary to change or adjust the clamping plate, simply unscrew the bolts to quickly disassemble and replace different types of clamping plates. The operation is simple and efficient, greatly shortens the tooling changeover time, and improves the equipment's adaptability to diversified production. At the same time, the cooling fan starts in time during hot riveting operation. By accelerating the air flow, it quickly removes the heat generated by the heating plate, which not only avoids the rivet column from being overheated and causing uneven temperature, affecting the riveting quality, but also prevents the key components of the fixture from being damaged by high temperature, extends the service life of the equipment, and ensures the continuous and stable operation of hot riveting. Attached Figure Description

[0018] Figure 1 This is a first axonometric view of the present invention;

[0019] Figure 2 This is a second axonometric view of the present invention;

[0020] Figure 3 This is a front view schematic diagram of the present utility model;

[0021] Figure 4 This is an enlarged view of section A of this utility model.

[0022] Legend:

[0023] 1. Fixture body; 2. Moving mechanism; 3. Hot riveting mechanism; 4. Clamping mechanism; 5. Cooling fan; 101. Base; 102. Support rod; 103. Control seat; 201. First moving seat; 202. First motor; 203. First lead screw; 204. Second moving seat; 205. Second lead screw; 206. Second motor; 301. Hydraulic cylinder; 302. Moving plate; 303. Heating plate; 304. Mounting plate; 305. Riveting post; 401. Threaded rod; 402. Fixing frame; 403. Connecting block; 404. Rotating block; 405. Clamping plate. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Reference Figures 1-4 An embodiment of this utility model is provided: a combined hot riveting fixture, including a fixture body 1 and two cooling fans 5. A moving mechanism 2 is provided at the bottom upper end of the fixture body 1, a hot riveting mechanism 3 is provided at the upper part of the fixture body 1, a clamping mechanism 4 is provided at the upper end of the moving mechanism 2, and the two cooling fans 5 are respectively fixedly arranged on both sides of the moving plate 302.

[0026] Specifically, the main body 1 of the fixture is the basic framework of the entire fixture, providing installation and support for other mechanisms. The moving mechanism 2 achieves two-dimensional movement through a double lead screw structure, precisely adjusting the position of the clamping mechanism 4 to ensure that the workpiece is in a suitable processing position. The hot riveting mechanism 3 is driven by the hydraulic cylinder 301, and works with the heating plate 303 and the rivet post 305 to complete the hot riveting operation. The clamping mechanism 4 can firmly clamp the workpiece to ensure the stability of the riveting process. The cooling fan 5 can dissipate the heat generated during the operation in a timely manner to prevent the parts from overheating. All mechanisms work together to ensure that the hot riveting operation is carried out efficiently and stably.

[0027] Reference Figure 1 , Figure 2The fixture body 1 includes a base 101 and a control base 103. Support rods 102 are fixedly installed at the four corners of the upper end of the base 101, and the four corners of the lower end of the control base 103 are fixedly connected to the support rods 102. The moving mechanism 2 includes a first moving base 201, a first motor 202, and a second moving base 204. A first lead screw 203 is fixedly installed at the output end of the first motor 202. A second motor 206 is fixedly installed on one side of the upper end of the second moving base 204. A second lead screw 205 is fixedly installed at the output end of the second motor 206. The middle part of the first moving base 201 is threaded onto the outer surface of the first lead screw 203. The first moving base 201 is slidably installed on the upper end of the base 101. The middle part of the second moving base 204 is threaded onto the outer surface of the second lead screw 205. The second moving base 204 is slidably installed on the upper end of the first moving base 201.

[0028] Specifically, in the fixture body 1, the base 101 provides stable support, and the control seat 103 can integrate control elements. In the moving mechanism 2, the first motor 202 drives the first lead screw 203 to rotate, so that the first moving seat 201 slides horizontally on the base 101. The second motor 206 drives the second lead screw 205 to rotate, driving the second moving seat 204 to slide on the first moving seat 201. The two work together to achieve precise positioning of the clamping mechanism 4 in the plane, so as to adapt to the processing requirements of different workpieces.

[0029] Reference Figure 2-4 The hot riveting mechanism 3 includes a hydraulic cylinder 301 and a moving plate 302. A heating plate 303 is fixedly installed at the lower end of the moving plate 302. A mounting plate 304 is fixedly installed at the lower end of the heating plate 303. Multiple rivet posts 305 are fixedly installed at the lower end of the mounting plate 304. The four corners of the moving plate 302 are slidably sleeved on the outer surface of the support rod 102. The output end of the hydraulic cylinder 301 is fixedly connected to the moving plate 302. The clamping mechanism 4 includes a fixed frame 402 and two clamping plates 405. Threaded rods 401 are threadedly connected to both sides of the fixed frame 402. A connecting block 403 is fixedly installed on one side of each of the two threaded rods 401. A rotating block 404 is rotatably installed on one side of each of the two clamping plates 405. The two connecting blocks 403 are fixedly connected to the rotating blocks 404 by bolts.

[0030] Specifically, in the hot riveting mechanism 3, the hydraulic cylinder 301 pushes the moving plate 302 downward along the support rod 102, causing the heating plate 303, the mounting plate 304, and the rivet 305 to press down. The heating plate 303 heats the rivet 305 to reach a suitable temperature for hot riveting. In the clamping mechanism 4, by rotating the threaded rod 401, the connecting block 403 and the clamping plate 405 are moved. The clamping range can be adjusted according to the workpiece size to firmly clamp the workpiece and ensure that the workpiece position remains unchanged during the hot riveting process. The connecting block 403 and the rotating block 404 are connected by fixing bolts, making subsequent replacement more convenient.

[0031] Working Principle: When using this combined hot riveting fixture, the workpiece to be processed is first placed between the two clamping plates 405 of the clamping mechanism 4. By rotating the threaded rods 401 on both sides of the fixed frame 402, the connecting block 403 and the clamping plate 405 are moved, adjusting the position of the clamping plate 405 to fit tightly against the workpiece and firmly clamp it. Next, the first motor 202 and the second motor 206 of the moving mechanism 2 are started. The first motor 202 drives the first lead screw 203 to rotate. Since the threaded part of the first moving seat 201 is sleeved on the outer surface of the first lead screw 203, the first moving seat 201 will slide horizontally on the base 101. At the same time, the second motor 206 drives the second lead screw 205 to rotate. The threaded part of the second moving seat 204 is sleeved on the outer surface of the second lead screw 205, and the second moving seat 204 will slide on the first moving seat 201. Through the coordinated operation of the two motors, the position of the clamping mechanism 4 is precisely adjusted, and the workpiece is moved to the hot riveting mechanism 3. After the appropriate processing point below is adjusted, the hydraulic cylinder 301 of the hot riveting mechanism 3 is activated. The output end of the hydraulic cylinder 301 pushes the moving plate 302. The four corners of the moving plate 302 slide downward along the support rod 102, driving the heating plate 303, mounting plate 304 and rivet 305 at the lower end to press down together. During the pressing of the rivet 305, the heating plate 303 continuously heats it, so that the rivet 305 reaches the predetermined temperature. When the rivet 305 contacts the part of the workpiece that needs to be riveted, the high temperature softens the workpiece material, and then the riveting is achieved by pressing down. During the hot riveting process, the cooling fans 5 on both sides of the moving plate 302 are activated to accelerate the airflow and dissipate the heat generated by the heating plate 303 in time, preventing the fixture from degrading or being damaged due to overheating, and ensuring the stable operation of the hot riveting. After the hot riveting is completed, the hydraulic cylinder 301 retracts, driving the hot riveting mechanism 3 to move up and reset. Then the clamping mechanism 4 is released, the processed workpiece is taken out, and one hot riveting operation is completed.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A combined hot riveting fixture, comprising a fixture body (1) and two cooling fans (5), characterized in that: The jig body (1) is provided with a moving mechanism (2) at the bottom upper end, the jig body (1) is provided with a hot riveting mechanism (3) at the top, and the moving mechanism (2) is provided with a clamping mechanism (4) at the top. The moving mechanism (2) includes a first moving seat (201), a first motor (202), and a second moving seat (204). The output end of the first motor (202) is fixedly provided with a first lead screw (203). The upper side of the second moving seat (204) is fixedly provided with a second motor (206). The output end of the second motor (206) is fixedly provided with a second lead screw (205). The clamping mechanism (4) includes a fixed frame (402) and two clamping plates (405). Both sides of the fixed frame (402) are threadedly connected with threaded rods (401). One side of each of the two threaded rods (401) is fixedly provided with a connecting block (403). One side of each of the two clamping plates (405) is rotatably provided with a rotating block (404).

2. The combined hot riveting fixture according to claim 1, characterized in that: The main body (1) of the fixture includes a base (101) and a control seat (103). Support rods (102) are fixedly installed at the four corners of the upper end of the base (101), and the four corners of the lower end of the control seat (103) are fixedly connected to the support rods (102).

3. The combined hot riveting fixture according to claim 1, characterized in that: The first movable seat (201) is threaded in the middle onto the outer surface of the first lead screw (203), and the first movable seat (201) is slidably disposed on the upper end of the base (101).

4. A combined hot riveting fixture according to claim 1, characterized in that: The second movable seat (204) is threaded in the middle and fitted on the outer surface of the second lead screw (205). The second movable seat (204) is slidably disposed on the upper end of the first movable seat (201).

5. A combined hot riveting fixture according to claim 1, characterized in that: The hot riveting mechanism (3) includes a hydraulic cylinder (301) and a moving plate (302). A heating plate (303) is fixedly installed at the lower end of the moving plate (302), and an mounting plate (304) is fixedly installed at the lower end of the heating plate (303).

6. A combined hot riveting fixture according to claim 5, characterized in that: The mounting plate (304) has multiple rivet posts (305) fixedly installed at its lower end. The four corners of the movable plate (302) are slidably sleeved on the outer surface of the support rod (102). The output end of the hydraulic cylinder (301) is fixedly connected to the movable plate (302).

7. A combined hot riveting fixture according to claim 1, characterized in that: Both connecting blocks (403) are fixedly connected by bolts and rotating blocks (404).

8. A combined hot riveting fixture according to claim 1, characterized in that: The two cooling fans (5) are fixedly mounted on both sides of the movable plate (302).

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