CN217991548U - Robot automatic hand riveter - Google Patents
Robot automatic hand riveter Download PDFInfo
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- CN217991548U CN217991548U CN202222235719.6U CN202222235719U CN217991548U CN 217991548 U CN217991548 U CN 217991548U CN 202222235719 U CN202222235719 U CN 202222235719U CN 217991548 U CN217991548 U CN 217991548U
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- nut
- clamping block
- guide rod
- riveter
- mounting seat
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Abstract
The utility model discloses an automatic robot riveting gun, which comprises a mounting seat, wherein a riveting device is arranged on the mounting seat, and the riveting device comprises a riveting mechanism, a nut feeding mechanism and a nut blanking mechanism; the nut feeding mechanism comprises a first guide rod fixedly arranged, the first guide rod is arranged in a first air cylinder mounting seat in a penetrating mode, a first air cylinder driving the first air cylinder mounting seat to slide along the first guide rod is arranged on the first air cylinder mounting seat, a second guide rod is fixedly arranged at the front end of the first air cylinder mounting seat, and a second air cylinder mounting seat, a first nut clamping block and a second nut clamping block are sequentially arranged on the second guide rod in a penetrating mode from back to front; the front end of the second guide rod is provided with a limiting baffle; a second cylinder is arranged on the second cylinder mounting seat; the second guide rod is provided with a floating unit. The utility model has the advantages that firstly, the automatic supply of the nuts is realized, and the precision and the high efficiency are realized; 2. the nut can be discarded quickly after abnormality is detected; 3. the problem that the hand riveter is difficult to screw in the nut is solved.
Description
The technical field is as follows:
the utility model belongs to the technical field of automation equipment, specifically an automatic hand riveter of robot.
The background art comprises the following steps:
in the industries of automobile manufacturing and the like, some products are difficult to weld nuts or tap internal threads due to the fact that the outer wall of the products is thin, and therefore the rivet nut mode is adopted, firm in connection, high in efficiency and convenient to use. The rivet nut can be subjected to rivet pulling operation by a robot or manpower, and due to the fact that labor cost is high, a manufacturer hopes to adopt the robot to rivet so as to save cost.
However, the existing robot rivet pulling still has the following unsolved problems in the actual use process: 1. when the nut is taken, the blind rivet gun cannot be screwed into the nut due to insufficient concentricity of the blind rivet gun and the nut, excessive pressure and the like; 2. the nut feeding is not automatic enough, the material taking time is long, and the efficiency is low; 3. the nut is difficult to discard when deforming or clamping askew, and the rivet pulling effect and efficiency are influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above background, the utility model provides an automatic rivet gun of robot can accomplish the nut high-efficiently, accurately, conveniently and get the material and abandon the material, and rivet effectually, efficient.
The utility model discloses a realize through following technical scheme:
a robot automatic riveting gun is characterized by comprising a mounting seat, wherein a riveting device is arranged on the mounting seat, and the riveting device comprises a riveting mechanism, a nut feeding mechanism and a nut blanking mechanism;
the nut feeding mechanism comprises a first guide rod fixedly arranged, the first guide rod is arranged in a first air cylinder mounting seat in a penetrating mode, a first air cylinder for driving the first air cylinder mounting seat to slide along the first guide rod is arranged on the first air cylinder mounting seat, a second guide rod is fixedly arranged at the front end of the first air cylinder mounting seat, and a second air cylinder mounting seat, a first nut clamping block and a second nut clamping block are sequentially arranged on the second guide rod in a penetrating mode from back to front; the first nut clamping block and the second nut clamping block are folded to form a nut clamping hole in the middle; the front end of the second guide rod is provided with a limiting blocking piece for limiting the second nut clamping block; a second cylinder for clamping the nut is arranged on the second cylinder mounting seat, and the tail end of a piston rod of the second cylinder is connected with the first nut clamping block; and the second guide rod is provided with a floating unit acting on the nut clamping block.
Preferably, the second cylinder mounting seat and the second nut clamping block are fixedly connected through a connecting strip.
Preferably, the nut blanking mechanism comprises a third air cylinder for ejecting the first nut clamping block and the second nut clamping block for a certain distance, a wedge-shaped ejecting block is arranged at the tail end of a piston rod of the third air cylinder, and notches matched with the wedge-shaped ejecting block in shape are arranged on the first nut clamping block and the second nut clamping block.
Preferably, the floating unit comprises a spring sleeved on the second guide rod, one end of the spring abuts against the limiting blocking piece, the other end of the spring abuts against the second nut clamping block, and the limiting blocking piece is in threaded connection with the second guide rod through an adjusting screw.
Preferably, the rivet pulling mechanism comprises a rivet pulling gun assembly, a slide rail and a lifting cylinder; the slide rail fix on the mount pad, sliding connection has the rivet gun subassembly on the slide rail, still is equipped with the lift cylinder that the drive rivet gun subassembly goes up and down on the mount pad.
Preferably, the number of the rivet pulling devices is two, and the two rivet pulling devices are respectively arranged on two sides of the mounting seat.
Preferably, the nut blanking mechanism further comprises a material pipe clamping block, a blanking pipe is arranged at the bottom of the material pipe clamping block, a limiting groove is further formed in the material pipe clamping block, and the wedge-shaped top block is in sliding fit with the limiting groove.
Preferably, the rivet pulling device comprises a first side plate and a second side plate, two ends of the first guide rod are respectively fixed on the first side plate and the second side plate, the first side plate and the second side plate are respectively provided with a buffer 26 used for limiting the first cylinder mounting seat, and the second nut clamping block is provided with a sensor for detecting a nut.
Preferably, the number of the lifting cylinders on each set of rivet pulling device is two, and the lifting cylinders are respectively used for nut taking and nut rivet pulling.
Preferably, the hand riveter assembly comprises a hand riveter and a servo motor for driving a riveter head of the hand riveter to rotate.
During the use, be connected to material pipe clamp piece with nut feeding equipment's discharging pipe on, the third cylinder pushes down after receiving nut ejection of compact signal and backs down nut clamp piece and make the nut drop between two nut clamp pieces, later the tight nut in second cylinder top, and first cylinder takes the nut to the riveter below, and lift cylinder drive riveter subassembly goes up and down to get the material, and the robot is to the riveter hole site after, and lift cylinder drive riveter subassembly goes up and down to carry out the riveter.
The utility model has the advantages that: the nut automatic feeding fixes a position accurate, efficient, can abandon the material fast after detecting the nut unusual, has solved the difficult screw in nut's of riveter problem.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of the rivet pulling device of the utility model.
Fig. 3 is a schematic structural diagram of the nut feeding mechanism of the present invention.
As shown in the figure: 1. the riveting device comprises a mounting base, 2. A riveting device, 3. A first side plate, 4. A second side plate, 5. A riveting mechanism, 6. A nut feeding mechanism, 7. A nut blanking mechanism, 8. A first guide rod, 9. A first air cylinder mounting base, 10. A first air cylinder, 11. A second guide rod, 12. A second air cylinder mounting base, 13. A first nut clamping block, 14. A second nut clamping block, 15. A limiting blocking sheet, 16. A second air cylinder, 17. A sensor, 18. A connecting strip, 19. A third air cylinder, 20. A wedge-shaped jacking block, 21. A riveting gun assembly, 22. A slide rail, 23. A lifting air cylinder, 24. A material pipe clamping block, 25. A blanking pipe and 26. A buffer.
Detailed Description
The utility model provides a robot automatic riveting gun, which comprises a mounting seat 1, wherein a riveting device 2 is arranged on the mounting seat 1, and the riveting device 2 comprises a first side plate 3, a second side plate 4, a riveting mechanism 5, a nut feeding mechanism 6 and a nut blanking mechanism 7; the two sets of rivet pulling devices 2 are respectively arranged on two sides of the mounting base 1. The nut clamping holes of the two sets of pulling and riveting devices 2 are respectively hexagonal and circular, one set of pulling and riveting devices 2 is used for pulling and riveting hexagonal nuts, and the other set of pulling and riveting devices is used for pulling and riveting cylindrical nuts.
The nut feeding mechanism 6 comprises two first guide rods 8 which are fixedly arranged, one end of each first guide rod 8 is fixed on the first side plate 3, the other end of each first guide rod 8 is fixed on the second side plate 4, each first guide rod 8 is arranged in a first air cylinder installation seat 9 in a penetrating mode, a first air cylinder 10 which drives the first air cylinder installation seat 9 to slide along the corresponding first guide rod 8 is arranged on the corresponding first air cylinder installation seat 9, the tail end of a piston rod of the corresponding first air cylinder 10 is fixed on the corresponding second side plate 4, two second guide rods 11 are fixedly arranged at the front end of the corresponding first air cylinder installation seat 9, and a second air cylinder installation seat 12, a first nut clamping block 13 and a second nut clamping block 14 are sequentially arranged on the corresponding second guide rods 11 in a penetrating mode from back to front; after the first nut clamping block 13 and the second nut clamping block 14 are folded, a nut clamping hole is formed in the middle; the front end of the second guide rod 11 is provided with a limiting blocking piece 15 for limiting the second nut clamping block 14; a second air cylinder 16 for clamping the nut is arranged on the second air cylinder mounting seat 12, and the tail end of a piston rod of the second air cylinder 16 is connected with the first nut clamping block 13; the second cylinder mounting seat 12 and the second nut clamping block 14 are fixedly connected through a connecting strip 18.
The second guide rod 11 is provided with a floating unit acting on the nut clamping block. The floating unit comprises a spring sleeved on the second guide rod 11, one end of the spring is abutted against a limiting blocking piece 15, the other end of the spring is abutted against the second nut clamping block 14, and the limiting blocking piece 15 is in threaded connection with the second guide rod 11 through an adjusting screw. The position of the limiting blocking piece 15 can be adjusted by adjusting the tightness of the screw.
The first side plate 3 and the second side plate 4 are both provided with a buffer 26 for limiting the first cylinder mounting seat 9, and the second nut clamping block 14 is provided with a sensor 17 for detecting a nut. The sensor 17 can detect whether the nut is distorted, deformed and taken away.
When the material is received, the first air cylinder 10 moves the nut clamping block to the position below the nut blanking mechanism 7, during riveting, the first air cylinder 10 moves the nut clamping block to the position below a riveter, the first nut clamping block 13 and the second nut clamping block 14 can be opened for a certain distance, the nut drops, and the nut is convenient to discard.
The second cylinder mounting seat 12, the first nut clamping block 13 and the second nut clamping block 14 can slide back and forth along the second guide rod 11, when the piston rod of the second cylinder 16 extends out, the rear ends of the second cylinder mounting seat 12 and the second cylinder 16 abut against the first cylinder mounting seat 9, and when the piston rod retracts, the second cylinder mounting seat 12 can move forward for a certain distance. Both the first nut holding block 13 and the second nut holding block 14 can be floated back and forth by the floating unit.
The nut blanking mechanism 7 comprises a third air cylinder 19 for ejecting the first nut clamping block 13 and the second nut clamping block 14 for a certain distance, a wedge-shaped ejecting block is arranged at the tail end of a piston rod of the third air cylinder 19, and notches matched with the wedge-shaped ejecting block 20 in shape are formed in the first nut clamping block 13 and the second nut clamping block 14.
The nut blanking mechanism 7 comprises a material pipe clamping block 24, a blanking pipe 25 is arranged at the bottom of the material pipe clamping block 24, a limiting groove is further formed in the material pipe clamping block 24, and the wedge-shaped top block 20 is in sliding fit with the limiting groove.
When the nut is blanked, the piston rod of the third cylinder 19 is pressed down, so that the first nut clamping block 13 and the second nut clamping block 14 are opened by a small distance, the distance just enables the clamping hole to clamp the upper edge of the nut, then the piston rod of the third cylinder 19 is retracted, and the second cylinder 16 is started to clamp the nut.
The rivet pulling mechanism 5 comprises a rivet pulling gun assembly 21, a slide rail 22 and a lifting cylinder 23; slide rail 22 is fixed on mount pad 1, and sliding connection has rivet gun subassembly 21 on slide rail 22, still is equipped with the lift cylinder 23 that drive rivet gun subassembly 21 goes up and down on the mount pad 1. The number of the lifting cylinders 23 on each set of rivet pulling device 2 is two, and the lifting cylinders are respectively used for nut taking and nut rivet pulling.
Wherein the shorter lift cylinder 23 of stroke is used for the nut to get the drive riveter subassembly 21 decline when material, avoids the impulsive force that the cylinder pushed down too big, leads to the problem that riveter and nut died unable screw in when the nut got the material.
The riveter assembly 21 comprises a riveter and a servo motor for driving the riveter head to rotate. Compared with a common motor, the servo motor has the advantages that the servo driver can detect torque, and torque controllability of the hand riveter is realized.
The utility model relates to an all electrical structures all are connected with the PLC controller to realize automated control, and this is the conventional technological means in this field.
The invention may be modified in many ways which will be obvious to a person skilled in the art, and such modifications are not to be considered as a departure from the scope of the invention. All such modifications as would be obvious to one skilled in the art are intended to be included within the scope of the present invention as defined in the following claims.
Claims (10)
1. A robot automatic riveting gun is characterized by comprising a mounting seat, wherein a riveting device is arranged on the mounting seat, and the riveting device comprises a riveting mechanism, a nut feeding mechanism and a nut blanking mechanism;
the nut feeding mechanism comprises a first guide rod fixedly arranged, the first guide rod is arranged in a first air cylinder mounting seat in a penetrating mode, a first air cylinder for driving the first air cylinder mounting seat to slide along the first guide rod is arranged on the first air cylinder mounting seat, a second guide rod is fixedly arranged at the front end of the first air cylinder mounting seat, and a second air cylinder mounting seat, a first nut clamping block and a second nut clamping block are sequentially arranged on the second guide rod in a penetrating mode from back to front; after the first nut clamping block and the second nut clamping block are folded, a nut clamping hole is formed in the middle of the first nut clamping block and the second nut clamping block; the front end of the second guide rod is provided with a limiting blocking piece for limiting the second nut clamping block; a second cylinder for clamping the nut is arranged on the second cylinder mounting seat, and the tail end of a piston rod of the second cylinder is connected with the first nut clamping block; and the second guide rod is provided with a floating unit acting on the nut clamping block.
2. The robotic automatic riveter of claim 1, wherein the second cylinder mount and the second nut clamping block are fixedly connected by a connecting strip.
3. The automatic robot riveter according to claim 1, wherein the nut blanking mechanism includes a third cylinder for ejecting the first nut clamping block and the second nut clamping block for a distance, a wedge-shaped ejecting block is provided at the end of the piston rod of the third cylinder, and notches matched with the wedge-shaped ejecting block in shape are provided on the first nut clamping block and the second nut clamping block.
4. The robot automatic riveter of claim 1, wherein the floating unit comprises a spring sleeved on the second guide rod, one end of the spring abuts against a limiting block, the other end of the spring abuts against the second nut clamping block, and the limiting block is in threaded connection with the second guide rod through an adjusting screw.
5. The robotic automatic riveter of claim 1, wherein the riveter mechanism comprises a riveter assembly, a slide rail, a lift cylinder; the slide rail fix on the mount pad, sliding connection has the rivet gun subassembly on the slide rail, still is equipped with the lift cylinder that the drive rivet gun subassembly goes up and down on the mount pad.
6. The robot automatic riveter of claim 1, wherein the riveter unit is provided in two sets, and the two sets are respectively provided on two sides of the mounting base.
7. The automatic robot riveter of claim 3, wherein the nut blanking mechanism further comprises a material pipe clamping block, a blanking pipe is arranged at the bottom of the material pipe clamping block, a limiting groove is further formed in the material pipe clamping block, and the wedge-shaped top block is in sliding fit with the limiting groove.
8. The robot automatic riveter of claim 1, wherein the rivet pulling device comprises a first side plate and a second side plate, two ends of the first guide rod are respectively fixed on the first side plate and the second side plate, the first side plate and the second side plate are respectively provided with a buffer for limiting the first cylinder mounting seat, and the second nut clamping block is provided with a sensor for detecting a nut.
9. The robotic automatic riveter of claim 5, wherein the number of lifting cylinders on each set of riveter is two, for nut picking and nut riveting respectively.
10. The robotic automatic riveter of claim 5, wherein the riveter assembly comprises a riveter and a servo motor for driving the riveter head to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222235719.6U CN217991548U (en) | 2022-08-24 | 2022-08-24 | Robot automatic hand riveter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222235719.6U CN217991548U (en) | 2022-08-24 | 2022-08-24 | Robot automatic hand riveter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217991548U true CN217991548U (en) | 2022-12-09 |
Family
ID=84325174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222235719.6U Active CN217991548U (en) | 2022-08-24 | 2022-08-24 | Robot automatic hand riveter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217991548U (en) |
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2022
- 2022-08-24 CN CN202222235719.6U patent/CN217991548U/en active Active
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