Profiling steering wheel rivet pressing mistake-proofing automatic tool

Abstract

The automatic profiling steering wheel rivet pressing mistake proofing tool comprises an upper die and a lower die, the lower die comprises a lower fixing plate, a fixing disc is arranged at the top of the lower fixing plate, a riveting fixing plate is arranged in the center of the top of the fixing disc, and a riveting base is fixedly connected to the top of the riveting fixing plate; an arc-shaped groove is formed in the top of the fixing disc and located on one side of the riveting fixing plate, a connecting base is fixedly connected to the top of the arc-shaped groove, a connecting plate is arranged at the top of the connecting base, a mounting hole is further formed in the surface of the connecting plate, a reflective laser switch is fixedly connected into the mounting hole, and the working end of the reflective laser switch is aligned to the position over the riveting base; and the working end of the reflective laser switch is electrically connected with the industrial personal computer. According to the profiling steering wheel rivet pressing mistake proofing automatic tool, accurate monitoring and automatic mistake proofing of rivet installation are achieved, and meanwhile wide applicability is guaranteed through adjustability of the tool.

Description

Technical Field

[0001] The invention relates to the technical field of steering wheel processing, in particular to an automatic tool for preventing errors in contoured steering wheel rivet presses. Background Art

[0002] The function of a car steering wheel is to convert the force applied by the driver to the edge of the steering wheel into torque and then transmit it to the steering shaft to achieve the steering of the vehicle. In the steering wheel manufacturing process, the riveting process is a key step to ensure the structural strength and safety of the steering wheel. However, the riveting equipment on the existing production line often has the problem of insufficient synchronous tightening, and due to the lack of an effective missing installation detection mechanism, the situation of missing rivets often occurs, which not only reduces product quality, but also may cause product scrapping, increase production costs, increase the output and outflow risk of defective products, and bring economic losses to the company. In addition, the rivet positions and quantities of steering wheels of different models are different, which puts higher requirements on the flexibility and adaptability of tooling equipment. Summary of the invention

[0003] 1. Technical issues to be solved

[0004] In view of the deficiencies in the prior art, the present invention provides an automatic tooling for preventing errors in contoured steering wheel rivet pressing, which realizes accurate monitoring and automatic error prevention of rivet installation, while the adjustability of the tooling ensures wide applicability.

[0005] (II) Technical solution

[0006] To achieve the above objectives, the present invention is implemented through the following technical scheme: a contoured steering wheel rivet anti-error automatic tooling, comprising an upper die and a lower die, the lower die comprising a lower fixing plate, the top of the lower fixing plate is provided with a fixing plate, the top center of the fixing plate is provided with a riveted fixing plate, the top of the riveted fixing plate is fixedly connected with a riveted seat, the top center of the riveted fixing plate is also fixedly connected with a positioning pin, the top of the fixing plate and one side of the riveted fixing plate are provided with an arc groove, the top of the arc groove is fixedly connected with a connecting seat, the top of the connecting seat is provided with a connecting plate, a connecting hole is provided in the connecting plate, the top of the connecting seat is vertically fixedly connected with a connecting column, one end of the connecting column extends into the connecting hole and is fixedly connected with a slider, the slider is slidably connected to the inner wall of the connecting hole, The bottom of the connecting plate is fixedly connected to a fixing plate, a spring is arranged between the bottom of the sliding block and the top of the fixing plate, a fixing tooth ring is fixedly connected to the surface of the connecting column and located at the fixing plate, a fixing groove matched with the fixing tooth ring is arranged on the surface of the fixing plate, a mounting hole is also arranged on the surface of the connecting plate, a reflective laser switch is fixedly connected in the mounting hole, the number of the riveted seats is the same as the number of the connecting seats, the working end of the reflective laser switch is aligned directly above the riveted seat, the working end of the reflective laser switch is electrically connected to the industrial computer, the control end of the industrial computer is electrically connected to the input end of the hydraulic equipment and the alarm, and when the reflective laser switch does not receive the infrared light reflected back by the object within the detection distance, the industrial computer stops the operation of the hydraulic equipment and sounds an alarm through the alarm.

[0007] Preferably, the upper mold includes an upper fixed plate, an upper mounting seat is provided at the bottom of the upper fixed plate, first pressure plates are provided on both sides of the bottom of the upper mounting seat, the first pressure plate is fixed to one side of the upper mounting seat by a first bolt, a riveting column is fixedly connected to the bottom of the upper mounting seat and located directly above the riveting seat, and a positioning column is also fixedly connected to the bottom of the upper mounting seat.

[0008] Preferably, a positioning sleeve is fixedly connected to the top of the fixed plate and directly below the positioning column, and a return spring is provided on the surface of the positioning column.

[0009] Preferably, an adjusting device is provided in the fixed plate, a supporting column is fixedly connected to the top of the adjusting device, and a limiting groove is provided on the top of the supporting column.

[0010] Preferably, the adjusting device includes a rotating seat, one side of the rotating seat is rotatably connected to a screw rod, one end of the screw rod is fixedly connected to a screw block, the surface of the screw rod is threadedly connected to a sliding seat, and the bottom end of the support column is fixedly connected to the top of the sliding seat.

[0011] Preferably, the bottom of the fixed plate is provided with an annular groove matched with the adjusting device, and the surface of the fixed plate is provided with a sliding hole matched with the sliding seat.

[0012] Preferably, a second bolt is threadedly connected to the top of the lower fixing plate, a second pressing plate is provided on the surface of the second bolt, and one side of the second pressing plate is located on the top of the fixing plate.

[0013] Preferably, a strip-shaped mounting hole is provided on the surface of the riveted fixing plate, and the riveted fixing plate is fixedly connected to the fixing plate by a third bolt.

[0014] Preferably, the rotating seats are provided with four and are evenly distributed circumferentially on the inner wall of the annular groove, and the axial direction of the screw rod coincides with the radial direction of the fixed disk.

[0015] Preferably, one end of the screw block is provided with a hexagonal hole.

[0016] (III) Beneficial effects

[0017] The present invention provides an automatic tool for preventing errors in profiling steering wheel rivet presses. It has the following beneficial effects:

[0018] (1) A connecting plate with adjustable position and angle is set on the top of the fixed plate, and a reflective laser switch is set on the surface of the connecting plate to detect the rivets above the riveting seat, which effectively avoids the situation of missing rivets, reduces the production of defective products, and improves production efficiency and product quality.

[0019] (2) The replaceability of the fixing plate and the upper mounting seat and the adjustability of the support column position can meet the rivet pressing requirements of various models, different sizes and special-shaped steering wheels, thereby reducing the cost of tooling replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the overall structure of the present invention;

[0021] Figure 2 It is the front view of the overall structure of the present invention;

[0022] Figure 3 For the present invention Figure 1 Enlarged view of point A in the middle;

[0023] Figure 4 This is a schematic diagram of the connection between the connecting seat and the connecting plate of the present invention;

[0024] Figure 5 It is a schematic structural diagram of the regulating device of the present invention.

[0025] In the figure: 1-upper fixed plate, 2-upper mounting seat, 3-first pressure plate, 4-first bolt, 5-lower fixed plate, 6-fixed disk, 7-riveted fixed plate, 8-riveted seat, 9-locating pin, 10-arc groove, 11-connecting seat, 12-connecting plate, 13-connecting hole, 14-connecting column, 15-slider, 16-fixed plate, 17-spring, 18-fixed gear ring, 19-mounting hole, 20-reflective laser switch, 21-riveted column, 22-locating column, 23-locating sleeve, 24-return spring, 25-adjusting device, 251-rotating seat, 252-screw, 253-twisting block, 254-sliding seat, 26-support column, 27-second pressure plate, 28-second bolt, 29-third bolt. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in 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 creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-5 The present invention provides a technical solution: an automatic tooling for preventing errors in pressing rivets on a contoured steering wheel, comprising an upper die and a lower die, wherein the upper die is mounted on the working end of the hydraulic equipment, and the lower die is mounted on the workbench surface of the hydraulic equipment. The lower die comprises a lower fixed plate 5, a fixed disk 6 is arranged on the top of the lower fixed plate 5, a riveted fixed plate 7 is arranged at the top center of the fixed disk 6, a strip-shaped mounting hole is arranged on the surface of the riveted fixed plate 7, and the riveted fixed plate 7 is fixedly connected to the fixed disk 6 by a third bolt 29, and riveted fixed plates 7 of different models can be replaced to adapt to different models of steering wheels. A second bolt 28 is threadedly connected to the top of the lower fixed plate 5, and a second pressing plate 27 is arranged on the surface of the second bolt 28, and one side of the second pressing plate 27 is located on the top of the fixed disk 6, and the lower fixed disk 6 is fixed by the second pressing plate 27.

[0028] A riveting seat 8 is fixedly connected to the top of the riveted fixing plate 7, and a rivet is arranged on the top of the riveted seat 8. A positioning pin 9 is also fixedly connected to the top center of the riveted fixing plate 7, and the positioning pin 9 improves the positioning efficiency of the steering wheel; the upper mold includes an upper fixing plate 1, and an upper mounting seat 2 is arranged at the bottom of the upper fixing plate 1. First pressure plates 3 are arranged on both sides of the bottom of the upper mounting seat 2, and the first pressure plate 3 is fixed to one side of the upper mounting seat 2 by a first bolt 4. A riveting column 21 is fixedly connected to the bottom of the upper mounting seat 2 and located directly above the riveted seat 8, and the rivet is pressed by moving the riveted column 21 downward to complete the riveting.

[0029] A positioning column 22 is also fixedly connected to the bottom of the upper mounting seat 2, and a positioning sleeve 23 is fixedly connected to the top of the fixed plate 6 and directly below the positioning column 22. A return spring 24 is provided on the surface of the positioning column 22 to ensure accurate positioning between the upper mold and the lower mold.

[0030] An arc groove 10 is provided at the top of the fixing plate 6 and on one side of the riveted fixing plate 7. A connecting seat 11 is fixedly connected to the top of the arc groove 10. A connecting plate 12 is provided at the top of the connecting seat 11. A connecting hole 13 is provided in the connecting plate 12. A connecting column 14 is vertically fixedly connected to the top of the connecting seat 11. One end of the connecting column 14 extends into the connecting hole 13 and is fixedly connected to a slider 15. The slider 15 is slidably connected to the inner wall of the connecting hole 13. A fixing plate 16 is fixedly connected to the bottom of the connecting plate 12. A spring 17 is provided between the bottom of the slider 15 and the top of the fixing plate 16. A fixing tooth ring 18 is fixedly connected to the surface of the connecting column 14 and located at the fixing plate 16. The surface of the fixing plate 16 is provided with A fixing groove adapted to the fixed tooth ring 18, and a mounting hole 19 is also provided on the surface of the connecting plate 12. A reflective laser switch 20 is fixedly connected in the mounting hole 19. The number of riveted seats 8 is the same as the number of connecting seats 11. The working end of the reflective laser switch 20 is aligned directly above the riveted seat 8. The position of the connecting seat 11 can be adjusted through the arc groove 10, which facilitates the working end of the reflective laser switch 20 to be aligned directly above the riveted seat 8. Similarly, by pulling the connecting plate 12 upward, the spring 17 is compressed, and the fixed plate 16 is separated from the fixed tooth ring 18. The angle of the connecting plate 12 can be rotated. After adjusting to a suitable angle, the connecting plate 12 is released, and the fixing groove on the surface of the fixed plate 16 is engaged with the fixed tooth ring 18.

[0031] The working end of the reflective laser switch 20 is electrically connected to the industrial computer, and the control end of the industrial computer is electrically connected to the input ends of the hydraulic equipment and the alarm. When the reflective laser switch 20 does not receive the infrared light reflected back by the object within the detection distance, the industrial computer stops the operation of the hydraulic equipment and sounds an alarm through the alarm, and detects the rivets above the riveting seat, which effectively avoids the situation of missing rivets, reduces the production of defective products, and improves production efficiency and product quality.

[0032] An adjusting device 25 is arranged in the fixed disk 6, and an annular groove 62 adapted to the adjusting device 25 is arranged at the bottom of the fixed disk 6, and a support column 26 is fixedly connected to the top of the adjusting device 25, and a limiting groove is arranged on the top of the support column 26. The adjusting device 25 includes a rotating seat 251, and the rotating seat 251 is provided with four inner walls of the annular groove 62 that are evenly distributed in the circumferential direction. The axial direction of the screw rod 252 coincides with the radial direction of the fixed disk 6, and one side of the rotating seat 251 is rotatably connected to the screw rod 252. One end of the rod 252 is fixedly connected to a screw block 253, and the surface of the screw rod 252 is threadedly connected to a sliding seat 254. The bottom end of the support column 26 is fixedly connected to the top of the sliding seat 254. The surface of the fixed plate 6 is provided with a sliding hole adapted to the sliding seat 254. One end of the screw block 253 is provided with a hexagonal hole. The screw block 253 is driven to rotate through the hexagonal hole by a tool to realize the rotation of the screw rod 252, thereby adjusting the position of the sliding seat 254, which facilitates the support column 26 to adapt to steering wheels of different sizes.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic tooling for preventing errors in profiling steering wheel rivets, comprising an upper die and a lower die, characterized in that: The lower die comprises a lower fixing plate (5), a fixing plate (6) is arranged on the top of the lower fixing plate (5), a riveted fixing plate (7) is arranged at the center of the top of the fixing plate (6), a riveted seat (8) is fixedly connected to the top of the riveted fixing plate (7), a positioning pin (9) is also fixedly connected to the center of the top of the riveted fixing plate (7), an arc groove (10) is arranged on the top of the fixing plate (6) and on one side of the riveted fixing plate (7), and the top of the arc groove (10) is A connecting seat (11) is fixedly connected, a connecting plate (12) is arranged on the top of the connecting seat (11), a connecting hole (13) is arranged in the connecting plate (12), a connecting column (14) is vertically fixedly connected to the top of the connecting seat (11), one end of the connecting column (14) extends into the connecting hole (13) and is fixedly connected to a slider (15), the slider (15) is slidably connected to the inner wall of the connecting hole (13), and a fixing plate is fixedly connected to the bottom of the connecting plate (12). (16), a spring (17) is arranged between the bottom of the slider (15) and the top of the fixed plate (16), a fixed toothed ring (18) is fixedly connected to the surface of the connecting column (14) and located at the fixed plate (16), a fixing groove adapted to the fixed toothed ring (18) is arranged on the surface of the fixed plate (16), a mounting hole (19) is also arranged on the surface of the connecting plate (12), a reflective laser switch (20) is fixedly connected in the mounting hole (19), the number of the riveted seats (8) is the same as the number of the connecting seats (11), the working end of the reflective laser switch (20) is aligned with the top of the riveted seat (8), the working end of the reflective laser switch (20) is electrically connected to the industrial computer, the control end of the industrial computer is electrically connected to the input end of the hydraulic equipment and the alarm, and when the reflective laser switch (20) does not receive the infrared light reflected by the object within the detection distance, the industrial computer stops the operation of the hydraulic equipment and issues an alarm through the alarm.

2. The automatic tooling for preventing errors of contoured steering wheel rivets according to claim 1 is characterized by: The upper mold comprises an upper fixing plate (1), an upper mounting seat (2) is arranged at the bottom of the upper fixing plate (1), first pressing plates (3) are arranged on both sides of the bottom of the upper mounting seat (2), the first pressing plate (3) is fixed to one side of the upper mounting seat (2) by a first bolt (4), a riveting column (21) is fixedly connected to the bottom of the upper mounting seat (2) and located directly above the riveting seat (8), and a positioning column (22) is also fixedly connected to the bottom of the upper mounting seat (2).

3. The automatic tooling for preventing errors of contoured steering wheel rivets according to claim 2 is characterized by: A positioning sleeve (23) is fixedly connected to the top of the fixed plate (6) and directly below the positioning column (22), and a return spring (24) is arranged on the surface of the positioning column (22).

4. The automatic tooling for preventing errors of contoured steering wheel rivets according to claim 1 is characterized by: An adjusting device (25) is arranged inside the fixed plate (6), a supporting column (26) is fixedly connected to the top of the adjusting device (25), and a limiting groove is arranged on the top of the supporting column (26).

5. The automatic tooling for preventing errors of contoured steering wheel rivet presses according to claim 4 is characterized by: The adjusting device (25) comprises a rotating seat (251), one side of the rotating seat (251) is rotatably connected to a screw rod (252), one end of the screw rod (252) is fixedly connected to a screw block (253), the surface of the screw rod (252) is threadedly connected to a sliding seat (254), and the bottom end of the support column (26) is fixedly connected to the top of the sliding seat (254).

6. The automatic tooling for preventing errors of contoured steering wheel rivet presses according to claim 5 is characterized by: The bottom of the fixed plate (6) is provided with an annular groove (62) adapted to the adjusting device (25), and the surface of the fixed plate (6) is provided with a sliding hole adapted to the sliding seat (254).

7. The automatic tooling for preventing errors of contoured steering wheel rivets according to claim 1 is characterized by: A second bolt (28) is threadedly connected to the top of the lower fixing plate (5), a second pressing plate (27) is provided on the surface of the second bolt (28), and one side of the second pressing plate (27) is located on the top of the fixing plate (6).

8. The automatic tooling for preventing errors of contoured steering wheel rivets according to claim 1 is characterized by: The surface of the riveted fixing plate (7) is provided with a strip-shaped mounting hole, and the riveted fixing plate (7) and the fixing plate (6) are fixedly connected via a third bolt (29).

9. The automatic tooling for preventing errors of contoured steering wheel rivets according to claim 6 is characterized by: The rotating seat (251) is provided with four holes which are evenly distributed circumferentially on the inner wall of the annular groove (62); the axial direction of the screw rod (252) coincides with the radial direction of the fixed disk (6).

10. The automatic tooling for preventing errors of contoured steering wheel rivets according to claim 5, characterized in that: One end of the screw block (253) is provided with a hexagonal hole.

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