Turnover type riveting clamp

Abstract

The utility model discloses a turnover type riveting clamp. The turnover type riveting clamp comprises a driving part assembly, a driven part assembly and a supporting plate used for supporting a workpiece and fixing the riveting clamp. The driving part assembly comprises a turnover driver and a driving part fixing plate which is coaxial with the turnover driver and is in transmission connection with the turnover driver; the driven part assembly comprises a bearing seat, a driven rotating shaft matched with the bearing seat and a driven part fixing plate which is coaxial with the driven rotating shaft and fixedly connected with the driven rotating shaft. The driven part fixing plate and the driving part fixing plate are coaxial; the two sides of the supporting plate are fixedly connected with a driving part fixing plate and a driven part fixing plate correspondingly. According to the multi-face rivet pulling device, multi-face rivet pulling can be completed without taking down a workpiece in the riveting working process, the working time is saved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of fixtures and tools, in particular to a reversible riveting fixture. Background Art

[0002] Currently, riveting operations for various components typically involve clamping the components with universal fixtures. However, during the riveting process, some components require riveting on multiple sides. In these cases, after riveting on the front side, the component is often removed from the universal fixture, flipped over, and re-clamped with the universal fixture for riveting. This requires the fixture to pause to flip the component, resulting in significant pause time and low equipment utilization. This not only complicates the process but also delays production time and impacts work efficiency. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides a reversible riveting clamp, which can complete multi-sided riveting without removing the workpiece, thereby improving work efficiency.

[0004] The utility model is achieved through the following technical solutions:

[0005] A reversible riveting fixture comprises an active component, a driven component and a support plate for supporting a workpiece and fixing the riveting fixture;

[0006] The active part assembly includes a flip driver and an active part fixing plate that is coaxial with the flip driver and transmission-connected; the driven part assembly includes a bearing seat, a driven rotating shaft that cooperates with the bearing seat, and a driven part fixing plate that is coaxial with the driven rotating shaft and fixedly connected, and the driven part fixing plate is coaxial with the active part fixing plate; the active part fixing plate and the driven part fixing plate are fixedly connected on both sides of the support plate.

[0007] Furthermore, the active part assembly further includes a turning reducer, which is fixedly connected to the turning drive and is coaxial with the rotation center axis of the turning drive.

[0008] Furthermore, the reversible riveting fixture further includes a controller, which is electrically connected to the reversing driver and controls the reversing driver to rotate.

[0009] Furthermore, the driven rotating shaft and the bearing seat are transitionally matched.

[0010] Furthermore, a flange is sleeved on the driven rotating shaft, and the driven part fixing plate is fixedly connected to the flange.

[0011] Furthermore, the reversible riveting fixture also includes a base plate, the active part assembly includes an active part bracket, and the reversing reducer is mounted on the active part bracket; the driven part assembly includes a driven part bracket for fixedly connected to the bearing seat; the active part bracket and the driven part bracket are fixedly connected at both ends of the base plate.

[0012] Furthermore, the riveting fixture includes a plurality of limit blocks, a first clamping assembly, a second clamping assembly and a detection assembly arranged on the support plate; the plurality of limit blocks abut against the workpiece, and the first clamping assembly and the second clamping assembly are located on both sides of the workpiece for clamping and fixing the workpiece.

[0013] Furthermore, the reversible riveting fixture further includes a first solenoid valve and a second solenoid valve, the detection component is electrically connected to the controller, the controller is electrically connected to the first solenoid valve and the second solenoid valve, the first solenoid valve is electrically connected to the first clamping component, and the second solenoid valve is electrically connected to the second clamping component;

[0014] After the detection component detects the workpiece, it converts the optical signal into an electrical signal and transmits it to the controller. The controller controls the movement of the first clamping component by controlling the first solenoid valve. After the first clamping component moves into place, the controller controls the second solenoid valve to control the movement of the second clamping component.

[0015] Furthermore, a plurality of through holes are provided on the support plate, and the through holes correspond to the positions of the rivet holes on the reverse side of the workpiece.

[0016] Compared with the prior art, the advantages of the present invention are:

[0017] 1. Through holes are set on the support plate of the riveting table at the position of the rivet holes on the reverse side of the workpiece to achieve reverse riveting.

[0018] 2. The riveting tooling table is rotated by the flip driver to achieve multi-sided riveting. There is no need to remove it during the riveting process, saving time and improving efficiency.

[0019] 3. By connecting the riveting fixture to the active part fixing plate and the driven part fixing plate through screws, disassembly is convenient. By only replacing the riveting fixture, it can be applied to different products, which has strong adaptability and saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of a reversible riveting fixture according to an embodiment of the present invention;

[0021] Figure 2 This is an exploded view of a reversible riveting fixture according to an embodiment of the present invention;

[0022] Figure 3 A cross-sectional view of a reversible riveting fixture according to an embodiment of the present invention

[0023] Figure 4 This is a structural diagram of a riveting tooling table according to an embodiment of the present invention;

[0024] Figure 5A partial three-dimensional assembly diagram of a reversible riveting fixture according to an embodiment of the present invention;

[0025] Figure 6 This is a front view of a reversible riveting fixture in working condition according to an embodiment of the present invention;

[0026] Figure 7 This is a diagram of the reverse working state of the reversible riveting fixture according to one embodiment of the present invention;

[0027] Figure 8 This is another reverse working state diagram of the reversible riveting fixture according to one embodiment of the present invention;

[0028] Figure 9 A circuit connection diagram of a reversible riveting fixture according to an embodiment of the present invention.

[0029] Explanation of reference numerals: 1. Active part assembly; 10. Flip actuator; 101. Flat key; 11. Flip reducer; 111. Boss; 112. Keyway; 12. Active part fixing plate; 120. First vertical plate; 121. First horizontal plate; 123. Groove; 124. First screw hole; 125. Second screw hole; 13. Active part bracket; 15. Controller; 2. Driven part assembly; 20. Bearing seat; 21. Driven shaft; 210. Flange; 22. Driven part fixing plate; 220. Second vertical plate; 221. Second horizontal plate; 223. Round hole; 224. Third screw hole; 225. Fourth screw hole; 23. Driven part bracket; 3. Riveting workbench; 30. Riveting fixture; 31. Support plate; 310. Through hole; 4. Limiting assembly; 40. Limiting block; 5. First clamping assembly; 50. First cylinder; 501, guide rail; 502, slide; 503, push rod; 504, first groove; 51, first pressure block; 52, cylinder fixing seat; 55, first solenoid valve; 6, second clamping assembly; 60, second cylinder; 600, piston rod; 601, second groove; 61, clamping assembly; 610, second pressure block; 611, clamping block; 65, second solenoid valve; 7, detection assembly; 70, photoelectric group; 71, first magnetic switch; 72, second magnetic switch; 8, base plate; 9, workpiece; 90, rivet hole; 91, rivet nut. DETAILED DESCRIPTION

[0030] The following is a further non-restrictive detailed description of the technical solution of the utility model in conjunction with the preferred embodiments and the accompanying drawings. In the description of the utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the utility model, and cannot be understood as limiting the utility model.

[0031] like Figures 1 to 3 As shown, a reversible riveting fixture according to an embodiment of the present invention includes an active component 1 , a passive component 2 and a riveting workbench 3 .

[0032] The active component 1 includes a flip actuator 10, a flip reducer 11, an active component fixing plate 12, and an active component bracket 13. Specifically, a flat key 101 is provided at the output end 100 of the flip actuator 10, and a key slot 112 is provided within the rotating shaft input end 110 of the flip reducer 11, with the flat key 101 mating with the key slot 112. The flip reducer 11 is mounted on the active component bracket 13. The active component fixing plate 12 includes a first vertical plate 120 and a first horizontal plate 121. The first vertical plate 120 is provided with a groove 123, and the output end boss 111 of the flip reducer 11 is nested in the groove 123. The bottom surface of the groove 123 is provided with a first screw hole 124, through which a screw (not shown) is passed to securely connect the first vertical plate 120 and the flip reducer 11. The axis of the flip reducer 11 and the rotation center of the flip actuator 10 are coaxially aligned, and the first vertical plate 120 is coaxial with the rotational axes of the flip actuator 10 and the flip reducer 11. A second screw hole 125 is defined on the top surface of the first horizontal plate 121. Screws pass through these second screw holes 125 to securely connect the first horizontal plate 121 to the first vertical plate 120.

[0033] The driven part assembly 2 includes a bearing seat 20, a driven shaft 21, a driven part fixing plate 22, and a driven part bracket 23. The bearing seat 20 is fixedly connected to the driven part bracket 23 by screws and is transitionally matched with the driven shaft 21. The axes of the driven shaft 21, the driven part fixing plate 22, and the active part fixing plate 12 are located on the same straight line. The driven part fixing plate 22 includes a second vertical plate 220 and a second horizontal plate 221. The second vertical plate 220 is provided with a circular hole 223. The driven shaft 21 is mounted in the circular hole 223. A plurality of third screw holes 224 are opened along the circumference of the circular hole 223. Screws pass through the third screw holes 224 to fix the second vertical plate 220 and the flange 210 of the driven shaft 21 to each other. The second vertical plate 220 and the first vertical plate 120 are coaxial 14. A fourth screw hole 225 is defined on the upper surface of the second transverse plate 221 , and a screw passes through the fourth screw hole 225 to securely connect the second transverse plate 221 and the second vertical plate 220 .

[0034] The reversible riveting fixture further includes a bottom plate 8 , both ends of which are fixedly connected to the bottom of the active part bracket 13 and the bottom of the driven part bracket 23 by screws respectively.

[0035] The riveting fixture 3 includes a support plate 31. The support plate 31 is a flat plate used to support the workpiece 9 and secure the riveting fixture 30. Screws passing through the second screw holes 125 and the fourth screw holes 225 securely connect the two sides of the support plate 31 to the first transverse plate 121 of the active portion fixing plate 12 and the second transverse plate 221 of the passive portion fixing plate 22. The riveting fixture 3 can be removed from the riveting fixture simply by removing the screws on both sides of the support plate 31. This simple structure facilitates disassembly.

[0036] like Figure 4 As shown, the riveting tooling table 3 further includes a riveting fixture 30 fixedly connected to the support plate 31 ; the riveting fixture includes a plurality of limit blocks 4 , a first clamping assembly 5 , a second clamping assembly 6 and a detection assembly 7 .

[0037] A workpiece 9 that needs to be riveted is placed on the support plate 31. Several rivet holes 90 that need to be riveted are opened on the workpiece 9, and multiple through holes 310 are opened on the support plate 31. The through holes 310 correspond to the positions to be riveted on the bottom surface 93 of the workpiece 9. When the riveting workbench is flipped over, the rivet nut 91 can pass through the through hole 310 and be placed in the rivet hole 90 on the back side 93 of the workpiece 9 to complete the riveting on the back side 93 of the workpiece 9.

[0038] Corresponding to the preferred embodiment of the present invention, the specific number of the plurality of limit blocks is 5. The limit blocks 4 are arranged on both sides of the workpiece 9 and are fixedly connected to the support plate 31 by screws, and the limit blocks 4 abut against the workpiece 9 to position the workpiece 9 and perform preliminary fixation.

[0039] The first clamping assembly 5 includes a first cylinder 50, a first pressure block 51, and a cylinder fixing seat 52. Corresponding to the preferred embodiment of the present utility model, the first cylinder 50 is preferably a slide cylinder. The first cylinder 50 includes a guide rail 501, a slide 502, a push rod 503, and a first groove 504 provided on the first cylinder 50; the lower surface 500 of the first cylinder 50 is fixedly connected to the top of the cylinder fixing seat 52 by screws, the upper surface of the first cylinder 50 is the guide rail 501, the slide 502 is mounted on the guide rail 501 and moves along the guide rail 501, the slide 502 is connected to the push rod 503 of the first cylinder 50 by screws, and the slide 502 is fixedly connected to the first pressure block 51 by screws; the bottom of the cylinder fixing seat 52 is fixedly connected to the support plate 31 by screws.

[0040] The second clamping assembly 6 includes a second cylinder 60 and a pressing assembly 61. Corresponding to the preferred embodiment of the present invention, the second cylinder 60 is preferably a rotary clamping cylinder. The bottom of the second cylinder 60 is fixedly connected to the support plate 31 by screws, and the second cylinder 60 includes a piston rod 600 and a second groove 601 provided on the second cylinder 60; the pressing assembly 61 includes a pressing block 611 and a second pressing block 610. The piston rod 600 is fixedly connected to one end of the clamping block 611 by a screw and is driven to move, and the end of the clamping block 611 away from the second cylinder 60 is fixedly connected to the second pressing block 610 by a screw. The second pressing block 610 is made of rubber to avoid crushing the workpiece 9.

[0041] The detection assembly 7 includes a photoelectric group 70, a first magnetic switch 71, and a second magnetic switch 72. Specifically, the photoelectric group 70 is fixedly connected to the support plate 31 by screws; the first magnetic switch 71 is installed in the first groove 504 of the first cylinder 50; and the second magnetic switch 72 is installed in the second groove 601 of the second cylinder 60.

[0042] like Figure 5As shown, the reversible riveting fixture also includes a controller 15, a first solenoid valve 55, and a second solenoid valve 65, housed within an electrical cabinet (not shown). The reversing actuator 10 is electrically connected to the controller 15 and rotates under the control of the electronic control system, thereby rotating and flipping the riveting table. The first cylinder 50 is electrically connected to the first solenoid valve 55. The controller 15 is electrically connected to the first solenoid valve 55 and controls the movement of the first cylinder 50 by switching the first solenoid valve 55 on and off. The second cylinder 60 is electrically connected to the second solenoid valve 65. The controller 15 is electrically connected to the second solenoid valve 65 and controls the movement of the second cylinder 60 by switching the second solenoid valve 65 on and off. A photoelectric module 70 is electrically connected to the controller 15 and is used to detect the workpiece 9 placed on the riveting table 3. Upon detecting the workpiece 9, the photoelectric module 70 converts an optical signal into an electrical signal and transmits it to the controller 15. A first magnetic switch 71 is electrically connected to the controller 15 and detects whether the first cylinder 50 has reached its desired position. A second magnetic switch 72 is electrically connected to the controller 15 and detects whether the second cylinder 60 has reached its desired position.

[0043] like Figures 6 to 9 As shown, during operation, the workpiece 9 is placed in multiple limit blocks 4, the photoelectric group 70 detects the workpiece 9, converts the optical signal into an electrical signal, and transmits it to the controller 15, the controller 15 outputs a signal to the first solenoid valve 55, the first solenoid valve 55 is powered on and opened, the first cylinder 50 moves, and the push rod 503 drives the slide to move along the guide rail 502, pushing the first pressure block 51 to contact the workpiece 9 and fix it; after moving into place, the first magnetic switch 71 transmits a signal to the controller 15, the controller 15 outputs a signal to the second solenoid valve 65, the second solenoid valve 65 is powered on and opened, the second cylinder 60 moves, the piston rod 600 drives the clamping block 611 to rotate and press down, so that the second pressure block 610 contacts the workpiece 9 and presses it; after moving into place, the second magnetic switch 72 transmits a signal to the controller 15. When all the rivet holes 91 on the front side 94 of the workpiece 9 are riveted, the controller 15 outputs a signal to the flip driver 10, and the flip driver 10 drives the riveting table 3 to rotate 180 degrees to the back side of the riveting table, and continues to rivet all the rivet holes 91 on the back side 93 of the workpiece 9 at the through hole 310. When the riveting on the back side 93 is completed, the controller 15 outputs a signal to the flip driver 10, and the flip driver 10 drives the riveting table 3 to rotate back to the front side 94.

[0044] During automated operation, the reversible riveting fixture of one embodiment of the present invention provides reverse riveting by opening a through hole on the support plate at a position corresponding to the rivet hole on the reverse side of the workpiece. The riveting fixture is then flipped over by a flipping driver, enabling multi-sided riveting, saving time and improving efficiency. The fixture is connected to the active and passive fixing plates using screws, allowing only the replacement of the active and passive components to secure the workpieces. This reduces costs and enhances adaptability.

[0045] The above embodiments merely illustrate several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the concept of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A reversible riveting fixture, comprising an active component (1), a driven component (2), and a support plate (31) for supporting a workpiece (9) and fixing the riveting fixture (32); It is characterized by: The active part assembly (1) includes a flip driver (10), an active part fixing plate (12) coaxial with the flip driver (10) (14) and connected to the active part fixing plate (12); the driven part assembly (2) includes a bearing seat (20), a driven shaft (21) matched with the bearing seat (20), and a driven part fixing plate (22) fixedly connected to the driven shaft (21), wherein the axes of the driven shaft (21), the driven part fixing plate (22) and the active part fixing plate (12) are located on the same straight line; the two sides of the support plate (31) are fixedly connected to the active part fixing plate (12) and the driven part fixing plate (22) respectively.

2. The reversible riveting fixture according to claim 1, characterized in that: The active part assembly (1) further comprises a turning reducer (11), wherein the turning reducer (11) is fixedly connected to the turning drive (10), and the axis of the turning reducer (11) and the rotation center of the turning drive (10) are located on the same straight line.

3. The reversible riveting fixture according to claim 1, characterized in that: The reversible riveting fixture further comprises a controller (15), wherein the controller (15) is electrically connected to the reversing driver (10), and the controller (15) controls the rotation of the reversing driver (10).

4. The reversible riveting fixture according to claim 1, characterized in that: The driven rotating shaft (21) is matched with the bearing seat (20).

5. The reversible riveting fixture according to claim 4, characterized in that: A flange (210) is sleeved on the driven rotating shaft (21), and the driven part fixing plate (22) is fixedly connected to the flange (210).

6. The reversible riveting fixture according to claim 2, characterized in that: The reversible riveting fixture further comprises a base plate (8); the active part assembly (1) comprises an active part bracket (13); the reversible reducer (11) is mounted on the active part bracket (13); the driven part assembly (2) comprises a driven part bracket (23) for being fixedly connected to the bearing seat (20); the active part bracket (13) and the driven part bracket (23) are fixedly connected to both ends of the base plate (8).

7. The reversible riveting fixture according to claim 3, characterized in that: The riveting fixture (30) comprises a plurality of limit blocks (4), a first clamping assembly (5), a second clamping assembly (6), and a detection assembly (7) arranged on the support plate (31); the plurality of limit blocks (4) abut against the workpiece (9), and the first clamping assembly (5) and the second clamping assembly (6) are located on both sides of the workpiece (9) for clamping and fixing the workpiece (9).

8. The reversible riveting fixture according to claim 7, characterized in that: The reversible riveting fixture further comprises a first solenoid valve (55) and a second solenoid valve (65); the detection component (7) is electrically connected to the controller (15); the controller (15) is electrically connected to the first solenoid valve (55) and the second solenoid valve (65); the first solenoid valve (55) is electrically connected to the first clamping component (5); and the second solenoid valve (65) is electrically connected to the second clamping component (6).

9. The reversible riveting fixture according to claim 5, characterized in that: A plurality of through holes (310) are provided on the support plate (31), and the through holes (310) correspond in position to the rivet holes (90) on the reverse side of the workpiece (9).

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