Riveting joint riveting device

Abstract

The present invention discloses a riveting device for a riveted joint, comprising a frame, an upper riveting device and a lower riveting device; the upper riveting device comprises a riveting power device and an upper riveting block; the lower riveting device comprises a feeding device and a lower riveting block; the feeding device comprises a feeding fixed plate, fixedly provided with a first cylinder and two parallel linear guide rails; the first linear guide rail is connected with a first bottom plate and a first bracket plate; the first cylinder is fixedly connected with a synchronous belt, synchronously connected with the first bracket plate; the first bracket plate is fixedly provided with a discharge plate, a second connecting plate and a first connecting plate; the first connecting plate is fixedly provided with a wire rope placement piece and a wire rope fixing rod, and the second connecting plate is fixedly provided with a riveted joint sleeve rod. The wire rope placement piece and the riveted joint sleeve rod provided on the feeding device can quickly sleeve the riveted joint onto the end of the wire rope, laying a foundation for subsequent riveting. The riveted joint and the wire rope can be fixed by the upper riveting device and the lower riveting device.

Description

Technical Field

[0001] The invention relates to a riveting device for a riveted joint, belonging to the technical field of riveting devices. Background Art

[0002] Seat belts are very important passive safety systems in modern automobile safety systems, and seat belt buckles are key components in seat belt systems. When a collision occurs, commonly used seat belt buckles will generate a large waist force on the occupants. This force will change with the change in the rigidity of the vehicle body, and the change range is large. Excessive waist force will cause greater harm to the occupants in the car. For example, the miniature waist energy absorption device involved in the patent with publication number CN 116001723 A and the name of a miniature waist energy absorption device and seat belt buckle is a seat belt buckle force limiting device. A steel wire rope is required in the energy absorption device, and riveted joints are provided at both ends of the steel wire rope. How to fix the riveted joint to the end of the steel wire rope becomes a problem to be solved. Summary of the invention

[0003] The purpose of the present invention is to provide a riveting joint riveting device which can fix the riveting joint to the end of a steel wire rope.

[0004] To solve the above technical problems, the purpose of the present invention is achieved as follows:

[0005] A riveting device for a riveted joint according to the present invention comprises a frame, and an upper riveting device and a lower riveting device fixedly arranged on the frame;

[0006] The upper riveting device comprises a riveting power device and an upper riveting block;

[0007] The lower riveting device comprises a feeding device and a lower riveting block;

[0008] The feeding device comprises a feeding fixed plate, on which a first cylinder and two parallel linear guide rails are fixedly arranged;

[0009] The first linear guide rail is connected to a first bottom plate and a first bracket plate vertically arranged with respect to the feed fixing plate through a first guide rail slider;

[0010] The first cylinder is fixedly connected to a synchronous belt, and the synchronous belt is connected to the first bracket plate through a synchronous connecting plate;

[0011] The surface of the first bracket plate is provided with two second linear guide rails arranged in parallel, and the second linear guide rails are connected to the second bracket plate through second guide rail sliders; the lower surface of the second bracket plate and the upper surface of the first bottom plate are provided with corresponding grooves, and springs are provided at the positions of the grooves; the second bracket plate is also fixedly provided with a material discharge plate, and the material discharge plate is fixedly connected to the second connecting plate through two connecting columns, and the first connecting plate is slidably provided on the two connecting columns;

[0012] A wire rope placement piece and a wire rope fixing rod are fixedly provided on the first connecting plate, and a rivet head sleeve rod is fixedly provided on the second connecting plate; the wire rope placement piece includes a first groove portion for placing the wire rope and a second groove portion for accommodating the wire rope fixing rod; the wire rope placement piece also includes an insertion section that can be inserted into the interior of the rivet head.

[0013] On the basis of the above scheme and as a preferred scheme of the above scheme: a double-axis cylinder is fixedly provided on the lower surface of the first connecting plate, and two piston rods of the double-axis cylinder are fixedly connected to the wire rope fixing rod.

[0014] On the basis of the above solution and as a preferred solution of the above solution: a handle is also fixedly provided on the second connecting plate.

[0015] On the basis of the above scheme and as a preferred scheme of the above scheme: the output end of the riveting power device is fixedly connected to the upper riveting block fixing plate, the upper riveting block fixing plate is provided with a through hole, and a guide column is provided in the through hole.

[0016] On the basis of the above scheme and as a preferred scheme of the above scheme: the riveting head riveting device also includes a riveting head tensile test device; the riveting head tensile test device includes a test device mounting plate; two third linear guide rails arranged in parallel are installed on the test device mounting plate; a third guide rail slider is arranged on the third linear guide rail;

[0017] The third guide rail slider is fixedly connected to the second bottom plate, the side wall plate of the third connecting plate is fixedly connected to the output end of the electric cylinder, and a tension sensor is arranged between the side wall plate and the output end of the electric cylinder;

[0018] A second cylinder is arranged above the third connecting plate, and a limiting rod is fixedly connected to the output end of the second cylinder;

[0019] A rivet head fixing plate is also fixedly arranged on the test device mounting plate, and a rivet head limiting groove with one side opening communicating with the outside is arranged on the rivet head fixing plate.

[0020] On the basis of the above scheme and as a preferred scheme of the above scheme: the electric cylinder is fixedly connected to the test device mounting plate through a fourth connecting plate; the fourth connecting plate is L-shaped.

[0021] On the basis of the above scheme and as a preferred scheme of the above scheme: a first protrusion is provided on the surface of the side wall plate of the third connecting plate away from the electric cylinder, and the first protrusion is provided with a through hole perpendicular to the second bottom plate for the limit rod to pass through.

[0022] On the basis of the above solution and as a preferred solution of the above solution: a recessed portion corresponding to the through hole is provided on the second bottom plate.

[0023] On the basis of the above scheme and as a preferred scheme of the above scheme: a second protrusion is provided on the surface of one side of the second base plate close to the test device mounting plate, and the second protrusion is located between two third guide rail sliders fixed to the second base plate.

[0024] On the basis of the above scheme and as a preferred scheme of the above scheme: the rivet head fixing plate is T-shaped, and an L-shaped baffle is fixed on the outer side thereof.

[0025] The beneficial effect of the present invention is that the riveting head riveting device of the present invention is provided with a wire rope placing member and a riveting head sleeve rod in the feeding device, which can quickly sleeve the riveting head on the end of the wire rope, laying a foundation for subsequent riveting. The riveting head and the wire rope can be fixed by the upper riveting device and the lower riveting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural diagram of the riveting device of the riveting joint;

[0027] Figure 2 It is a structural diagram of the feeding device;

[0028] Figure 3 yes Figure 2 It is a structural diagram from another perspective;

[0029] Figure 4 It is the structural diagram of the wire rope placement part;

[0030] Figure 5 It is an axonometric view of the riveted joint tensile test device;

[0031] Figure 6 Structural diagram of a force limiting device with a wire rope safety belt buckle;

[0032] Figure 7 It is a three-dimensional view of the riveted joint fixing plate;

[0033] Figure 8 is a three-dimensional diagram of the third connecting plate.

[0034] The markings in the figure are as follows: 01-frame; 101-riveting power device; 102-upper riveting block; 03-riveted joint tensile test device; 103-upper riveting block fixing plate; 104-guide column; 201-lower riveting block; 202-feeding fixing plate; 203-first linear guide rail; 204-first cylinder; 205-synchronous belt; 206-synchronous connecting plate; 207-first guide rail slider; 208-first bottom plate; 209-first bracket plate; 210-second bracket plate; 211-spring; 212-feeding plate; 213-first connecting plate; 214-second connecting plate; 215-double-axis cylinder; 216-wire rope fixing rod; 217-wire rope placing piece; 218-photoelectric switch; 219-riveted joint sleeve rod; 220-handle; 221-connecting column; 222-second linear guide; 223-second guide slider; 224-proximity switch; 2171-first groove; 2172-second groove; 2173-insertion section; 301-test device mounting plate; 302-third linear guide; 303-third guide slider; 304-third connecting plate; 305-electric cylinder; 306-tension sensor; 307-second cylinder; 308-limiting rod; 309-rivet head fixing plate; 310-fourth connecting plate; 311-baffle; 341-second bottom plate; 342-side wall plate; 343-first protrusion; 344-through hole; 345-recessed portion; 346-second protrusion; 391-rivet head limiting groove; 11-wire rope; 12-rivet head; 13-bracket plate; 14-roller; 15-torsion bar. DETAILED DESCRIPTION

[0035] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0036] like Figure 6 As shown, the safety belt buckle force limiting device of the present invention comprises a bracket plate 13, a steel wire rope 11, a sleeve, a torsion bar 15 and a roller 14. The bracket plate 13 has a fixing hole, and the sleeve is arranged in the fixing hole, and the torsion bar 15 passes through the sleeve, and both ends of the torsion bar 15 have splines, and the roller 14 has a key hole matching the splines at the end of the torsion bar 15, so that both ends of the torsion bar 15 are fixed to the roller 14. After the end of the steel wire rope 11 passes through the roller 14, it is riveted and fixed to a rivet head 12 to play a limiting role.

[0037] like Figure 1As shown, a riveting device for a riveted joint involved in the present invention includes a frame 01, and an upper riveting device and a lower riveting device fixedly arranged on the frame 01. The upper riveting device includes a riveting power device 101 and an upper riveting block 102; the lower riveting device includes a feeding device and a lower riveting block 201. The end of the steel wire rope with a riveted joint 12 sleeved at the proximal end is placed between the upper riveting block 102 and the lower riveting block 201. The riveting power device 101 moves the lower riveting block 201 downward to fix the riveted joint 12 with the steel wire rope 11. The end surfaces of the upper riveting block 102 and the lower riveting block 201 are provided with strip grooves parallel to the placement direction of the steel wire rope 12. When riveting, the end of the steel wire rope sleeved with the riveted joint 12 is placed in the strip groove to prevent the riveted joint 12 from slipping during riveting.

[0038] Furthermore, the riveting power device 101 used needs to provide a relatively large pressure to fix the riveted joint 12 and the steel wire rope 11, and a high-pressure air cylinder or hydraulic cylinder can be used, which can be selected according to actual needs.

[0039] Furthermore, the output end of the riveting power device 101 is fixedly connected to the upper riveting block fixing plate 103 , the upper riveting block fixing plate 103 is provided with a through hole, a guide column 104 is provided in the through hole, and the upper riveting device moves up and down along the guide column 104 .

[0040] The feeding device in the lower riveting device is to sleeve the riveting head 12 on the proximal end of the steel wire rope 11 and then feed it into the surface of the lower riveting block 201, thereby achieving riveting and fixing.

[0041] like Figure 2 and Figure 3 As shown, the feeding device includes a feeding fixed plate 202, on which a first cylinder 204 and two parallel first linear guide rails 203 are fixedly arranged; the first linear guide rail 203 is connected to a first bottom plate 208 and a first bracket plate 209 vertically arranged to the feeding fixed plate 202 through a first guide rail slider 207; the first cylinder 204 is fixedly connected to a synchronous belt 205, and the synchronous belt 205 is connected to the first bracket plate 209 through a synchronous connecting plate 206. The first cylinder 204 drives the synchronous belt 205 to move, and further drives the feeding fixed plate 202 to move along the first linear guide rail 203, so as to transport the riveted head to the upper side of the lower riveting block 201 and the lower side of the upper riveting block 102.

[0042] The surface of the first bracket plate 209 is provided with two parallel second linear guide rails 222, and the second linear guide rails 222 are connected to the second bracket plate 210 through the second guide rail slider 223; the lower surface of the second bracket plate 210 and the upper surface of the first bottom plate 208 are provided with corresponding grooves, and a spring 211 is provided at the position of the groove; when the riveting joint 12 is riveted, the second bracket plate 210 will move downward along the second linear guide rails 222, and the spring 211 can make it move upward and reset. In addition, a proximity switch 224 fixed to the first bracket plate 209 is also provided above the second bracket plate 210 to detect whether the second bracket plate 210 is reset.

[0043] The second bracket plate 210 is also fixedly provided with a material discharge plate 212, and the material discharge plate 212 is fixedly connected to a second connecting plate 214 via two connecting columns 221, and a first connecting plate 213 is slidably provided on the two connecting columns 221. The first connecting plate 213 is fixedly provided with a wire rope placement piece 217 and a wire rope fixing rod 216, and the second connecting plate 214 is fixedly provided with a hollow riveted joint sleeve rod 219.

[0044] like Figure 4 As shown, the wire rope placement member 217 includes a first groove portion 2171 for placing the wire rope and a second groove portion 2172 for accommodating the wire rope fixing rod 216. The wire rope placement member 217 also includes an insertion section 2173 that can be inserted into the interior of the rivet head. The discharge plate 212 has a concave platform for placing the roller 14 with the wire rope 11, and the wire rope 12 is placed in the first groove portion 2171, and the end portion is extended to the end of the insertion section 2173. The rivet head 12 is sleeved on the end of the rivet head sleeve rod 219, and the first connecting plate 213 is pushed to move in the direction of the second connecting plate 214, so as to insert the insertion section 2173 into the interior of the rivet head sleeve rod 219 to a set distance. Then the first connecting plate 213 is moved in a direction away from the second connecting plate 214, and the rivet head 12 can be sleeved on the proximal end position of the wire rope 11.

[0045] Furthermore, a double-axis cylinder 215 is fixedly disposed on the lower surface of the first connecting plate 213, and two piston rods of the double-axis cylinder 215 are fixedly connected to the wire rope fixing rod 216. When the wire rope placing member 217 is placed with a wire rope, the double-axis cylinder 215 drives the wire rope fixing rod 216 to move downward into the second groove portion 2172 to fix the wire rope 12.

[0046] Furthermore, a through hole is provided at the proximal end of the riveting joint sleeve rod 219. The second connecting plate 214 is also fixedly provided with a photoelectric switch 218, and the light emitted from the position of the photoelectric switch 218 can pass through the through hole of the riveting joint sleeve rod 219, so as to detect whether the steel wire rope 11 is inserted into the riveting joint sleeve rod 219.

[0047] Furthermore, a handle 220 is fixedly provided on the second connecting plate 214 for carrying and pushing the first connecting plate 213 .

[0048] The connection strength between the wire rope and the riveted joint has high requirements. After the riveted joint and the wire rope are fixedly connected by pressing, the riveting strength of the two needs to be tested. Figure 5 As shown, the riveting head riveting device also includes a riveting head tension test device 03; the riveting head tension test device includes a test device mounting plate 301; two third linear guide rails 302 arranged in parallel are mounted on the test device mounting plate 301; each of the third linear guide rails 302 is provided with a third guide rail slider 303. The third guide rail slider 303 is fixedly connected to the second bottom plate 341 of the third connecting plate 304, and the side wall plate 342 of the third connecting plate 304 is fixedly connected to the output end of the electric cylinder 305, so that the third connecting plate 304 moves linearly along the linear guide rail under the drive of the electric cylinder 305.

[0049] A tension sensor 306 is provided between the side wall plate 342 and the output end of the electric cylinder 305 ; the tension sensor 306 is used to test the tension, and the tension sensor 306 is also connected to a display device for displaying the tension value.

[0050] A second cylinder 307 is disposed above the third connecting plate 304, and a limiting rod 308 is fixedly connected to the output end of the second cylinder 307. A riveted joint fixing plate 309 is also fixedly disposed on the test device mounting plate 301. Figure 7 As shown, the rivet head fixing plate 309 is provided with a rivet head limiting groove 391 with one side opening communicating with the outside.

[0051] Furthermore, the electric cylinder 305 is fixedly connected to the test device mounting plate 301 through a fourth connecting plate 310; the fourth connecting plate 310 is L-shaped, and of course the fourth connecting plate 310 can also be other suitable shapes. The electric cylinder 305 is a modular product with an integrated design of a servo motor and a lead screw, and the servo motor can drive the movement of the lead screw.

[0052] Furthermore, a first protrusion 343 is provided on the side surface of the side wall plate 342 of the third connecting plate 304 away from the electric cylinder 305, and the first protrusion 343 is provided with a through hole 344 perpendicular to the second bottom plate 341 for the limiting rod 308 to pass through. A recessed portion 345 corresponding to the through hole 344 is provided on the second bottom plate 341. The electric cylinder 305 drives the limiting rod 308 to move up and down along the through hole 344, and when moving downward, the end of the limiting rod 308 is inserted into the inside of the recessed portion 345.

[0053] Furthermore, a second protrusion 346 is provided on a side surface of the second base plate 341 close to the test device mounting plate 301 . The second protrusion 346 is located between two third guide rail sliders 303 fixed to the second base plate 341 , so that the second connecting plate 304 can be clamped between the two third guide rail sliders 303 .

[0054] Furthermore, the riveted joint fixing plate 309 is T-shaped, and an L-shaped baffle 311 is fixed to the outer side thereof.

[0055] The working principle of the riveted joint tension test device involved in this embodiment is to set the positions of the two proximal ends of the steel wire rope 11 in the riveted joint limit groove 391, and at this time, the riveted joints 12 at both ends are located outside the riveted joint fixing plate 309. The middle position of the steel wire rope 11 is set below the first protrusion 343, and the electric cylinder 305 drives the limit rod 308 to move downward to the recessed portion 345. At this time, the steel wire rope 11 is located between the limit rod 308 and the side wall plate 342. At this time, the electric cylinder 305 is started to drive the third connecting plate 304 to move away from the riveted joint fixing plate 309. At this time, the steel wire rope 11 will be tightened, and the tension sensor 306 tests the tension. When the tension value reaches the set value, and the riveted position of the riveted joint and the steel wire rope is not loose, it is qualified.

[0056] The preferred specific embodiments of the present invention are described in detail above. It should be understood that a person skilled in the art can make many modifications and changes based on the concept of the present invention without creative work. Therefore, any technical solution that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments based on the concept of the present invention on the basis of the prior art should be within the scope of protection determined by the claims.

Claims

1. A riveting device for a riveted joint, characterized in that: It comprises a frame (01), and an upper riveting device and a lower riveting device fixedly arranged on the frame (01); The upper riveting device comprises a riveting power device (101) and an upper riveting block (102); The lower riveting device comprises a feeding device and a lower riveting block (201); The feeding device comprises a feeding fixed plate (202), on which a first cylinder (204) and two first linear guide rails (203) arranged in parallel are fixedly arranged; The first linear guide rail (203) is connected to a first bottom plate (208) and a first bracket plate (209) vertically arranged to the feeding fixed plate (202) via a first guide rail slider (207); The first cylinder (204) is fixedly connected to a synchronous belt (205), and the synchronous belt (205) is connected to the first bracket plate (209) via a synchronous connecting plate (206); The surface of the first bracket plate (209) is provided with two second linear guide rails (222) arranged in parallel, and the second linear guide rails (222) are connected to the second bracket plate (210) via second guide rail sliders (223); the lower surface of the second bracket plate (210) and the upper surface of the first bottom plate (208) are provided with corresponding grooves, and springs (211) are provided at the positions of the grooves; the second bracket plate (210) is also fixedly provided with a material discharge plate (212), and the material discharge plate (212) is fixedly connected to a second connecting plate (214) via two connecting columns (221), and the first connecting plate (213) is slidably provided on the two connecting columns (221); The first connecting plate (213) is fixedly provided with a wire rope placement piece (217) and a wire rope fixing rod (216), and the second connecting plate (214) is fixedly provided with a rivet head sleeve rod (219); the wire rope placement piece (217) comprises a first groove portion (2171) for placing the wire rope and a second groove portion (2172) for accommodating the wire rope fixing rod (216); the wire rope placement piece (217) further comprises an insertion section (2173) that can be inserted into the interior of the rivet head; The riveting joint riveting device further comprises a riveting joint tensile testing device (03); the riveting joint tensile testing device comprises a testing device mounting plate (301); two third linear guide rails (302) arranged in parallel are mounted on the testing device mounting plate (301); a third guide rail slider (303) is arranged on the third linear guide rail (302); The third guide rail slider (303) is fixedly connected to the second bottom plate (341), the side wall plate (342) of the third connecting plate (304) is fixedly connected to the output end of the electric cylinder (305), and a tension sensor (306) is provided between the side wall plate (342) and the output end of the electric cylinder (305); A second cylinder (307) is disposed above the third connecting plate (304), and a limiting rod (308) is fixedly connected to the output end of the second cylinder (307); A rivet head fixing plate (309) is also fixedly arranged on the test device mounting plate (301), and a rivet head limiting groove (391) having an opening on one side and communicating with the outside is arranged on the rivet head fixing plate (309).

2. A riveting head riveting device according to claim 1, characterized in that: A double-axis cylinder (215) is fixedly disposed on the lower surface of the first connecting plate (213), and two piston rods of the double-axis cylinder (215) are fixedly connected to a steel wire rope fixing rod (216).

3. A riveting head riveting device according to claim 1, characterized in that: A handle (220) is also fixedly provided on the first connecting plate (213).

4. A riveting head riveting device according to claim 1, characterized in that: The output end of the riveting and pressing power device (101) is fixedly connected to the upper riveting and pressing block fixing plate (103); the upper riveting and pressing block fixing plate (103) is provided with a through hole, and a guide column (104) is provided in the through hole.

5. The riveting head riveting device according to claim 1, characterized in that: The electric cylinder (305) is fixedly connected to the test device mounting plate (301) via a fourth connecting plate (310); the fourth connecting plate (310) is L-shaped.

6. A riveting head riveting device according to claim 1, characterized in that: A first protrusion (343) is provided on a surface of a side wall plate (342) of the third connecting plate (304) away from the electric cylinder (305), and the first protrusion (343) is provided with a through hole (344) perpendicular to the second bottom plate (341) for the limiting rod (308) to pass through.

7. A riveting head riveting device according to claim 6, characterized in that: The second bottom plate (341) is provided with a recessed portion (345) corresponding to the through hole (344).

8. The riveting head riveting device according to claim 6, characterized in that: A second protrusion (346) is provided on a surface of one side of the second bottom plate (341) close to the test device mounting plate (301), and the second protrusion (346) is located between two third guide rail sliders (303) fixed to the second bottom plate (341).

9. The riveting head riveting device according to claim 1, characterized in that: The riveted joint fixing plate (309) is T-shaped, and an L-shaped baffle plate (311) is fixed to the outer side thereof.

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