Multi-rivet automatic assembling and riveting line

Abstract

The utility model discloses a multi-rivet automatic assembling and riveting line which comprises a punching machine, a machine frame, a forward conveying line, a return conveying line, a front end lifting mechanism, a rear end lifting mechanism, a rivet arranging machine and a rivet installing mechanical arm, and the front end lifting mechanism, the machine frame, the rear end lifting mechanism and the punching machine are sequentially arranged from front to back. The forward conveying line and the return conveying line are sequentially arranged on the rack from top to bottom, the plurality of binding manipulators are arranged on the rack along a conveying track of the forward conveying line, and a rivet arrangement machine is arranged on the rack corresponding to one side of each binding manipulator. The automatic rivet assembling machine is reasonable in structural design, the plurality of rivet assembling manipulators are sequentially arranged on the rack, each rivet assembling manipulator is specially responsible for assembling rivets of a certain specification in a certain area of a workpiece, the problem of disorder is avoided, the problems of wrong assembling and neglected assembling are effectively solved, the product quality is effectively guaranteed, and the working efficiency is high; after the workpieces are pressed and riveted, the workpieces are taken out from the jig, the jig can be transferred to the return conveying line through the rear-end lifting mechanism to be sent back to the front-end lifting mechanism, loading of new workpieces is facilitated, and the production efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of riveting, in particular to a multi-rivet automatic assembly riveting line. Background Art

[0002] Due to structural requirements, metal plates of hardware products usually need to be riveted with different types of rivets and T nuts in local positions. At present, the assembly is generally to position the workpiece to be assembled on the jig, and then manually place the rivets one by one, and then move the whole to the station of the punching machine for riveting operation.

[0003] When there are a large number of rivets on a plate with different specifications, the solution of manually placing rivets one by one is still adopted. This is not only inefficient, but also prone to problems such as misplacement and missing installation, making it difficult to ensure product quality, resulting in low yield rate and high process cost. Utility Model Content

[0004] In view of the above-mentioned deficiencies, the purpose of the utility model is to provide a multi-rivet automatic assembly riveting line with reasonable structural design, high efficiency and effective guarantee of product quality.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0006] A multi-rivet automatic assembly riveting line comprises a punching machine, a frame, a forward conveying line, a return conveying line, a front-end lifting mechanism, a rear-end lifting mechanism, a rivet arranging machine and a stapling robot. The front-end lifting mechanism, the frame, the rear-end lifting mechanism and the punching machine are arranged in sequence from front to back, the forward conveying line and the return conveying line are arranged on the frame in sequence from top to bottom, a plurality of stapling robots are arranged on the frame along the conveying track of the forward conveying line, and a rivet arranging machine is provided on the frame corresponding to a side position of each stapling robot.

[0007] As a preferred solution of the utility model, the front-end lifting mechanism includes a base frame, a guide rod, a guide seat sleeve, a lifting cylinder, a horizontal seat, a reduction motor and a conveying roller. The guide seat sleeve is arranged on the base frame, the upper end of the guide rod is fixed on the horizontal seat, and the lower end is inserted into the guide seat sleeve. The lifting cylinder is arranged on the base frame and can drive the horizontal seat to perform a lifting action relative to the base frame. The horizontal seat is provided with a conveying trough, and a plurality of conveying rollers are arranged on the conveying trough. The reduction motor is arranged on the bottom surface of the horizontal seat, and drives the conveying roller to rotate through the transmission assembly, so as to realize the lifting and conveying of the product, so as to facilitate subsequent assembly operations.

[0008] As a preferred solution of the utility model, the base frame is provided with an avoidance position corresponding to the position of the reduction motor to reduce structural interference and allow the horizontal seat to be lowered to a lower position. The transmission assembly is a chain transmission assembly to improve transmission efficiency and reduce failure rate.

[0009] As a preferred solution of the utility model, the stapling robot includes a bracket, a crossbeam, an X-axis moving mechanism, a left Y-axis moving mechanism, a right Y-axis moving mechanism, a Z-axis moving mechanism and a rivet nozzle head. The two brackets are symmetrically arranged on both sides of the frame, the left Y-axis moving mechanism and the right Y-axis moving mechanism are correspondingly arranged on the two brackets, the two ends of the crossbeam are correspondingly arranged on the left Y-axis moving mechanism and the right Y-axis moving mechanism, and are driven by them to move on the Y-axis, the X-axis moving mechanism is arranged on the crossbeam, the Z-axis moving mechanism is arranged on the X-axis moving mechanism, and is driven by it to move on the X-axis, the rivet nozzle head is arranged on the Z-axis moving mechanism, and is driven by it to move on the Z-axis, through the coordinated work of the X-axis, Y-axis and Z-axis moving mechanisms, the rivet nozzle head is driven to move accurately in three-dimensional space to achieve the grasping and positioning of rivets.

[0010] As a preferred solution of the utility model, the forward conveying line includes a forward reduction motor, a driving sprocket shaft, a driven sprocket shaft, a long frame and a conveying chain. An end seat is provided at each end of the long frame. The forward reduction motor and the driving sprocket shaft are arranged on one of the end seats. The forward reduction motor drives the driving sprocket shaft to rotate. The driven sprocket shaft is arranged on the other end seat. The long frame is provided with a chain groove extending along its long side direction. The conveying chain is located on the chain groove and rotates around the sprockets on the driving sprocket shaft and the driven sprocket shaft. The conveying chain is driven by the forward reduction motor to move, so as to realize the conveying of the workpiece.

[0011] As a preferred solution of the utility model, the chain groove includes an upper groove and a lower groove, the upper groove is located on the upper surface of the long frame, and the lower groove is located inside the long frame. The overall structure is compact and occupies little space.

[0012] As a preferred solution of the utility model, the forward conveying line also includes a positioning device, and the positioning device is arranged on the long frame corresponding to the position of the stapling robot, so as to achieve fast and accurate positioning of the product and improve assembly accuracy and efficiency.

[0013] As a preferred solution of the utility model, a push mechanism is provided at the front position of the punching machine, and the push mechanism includes a support platform, an advance and retreat slide rail, an advance and retreat slider, and a push seat, the advance and retreat slide rail is arranged on the support platform along the X-axis direction, and the push seat is movably arranged on the advance and retreat slide rail through the advance and retreat slider, so as to facilitate the smooth movement of the jig into or out of the workstation of the punching machine and improve efficiency.

[0014] The beneficial effects of the utility model are as follows: the structure of the utility model is reasonably designed, and a plurality of nailing robots are arranged in sequence on the frame, each nailing robot is specifically responsible for assembling rivets of a certain specification in a certain area of ​​the workpiece, thereby avoiding confusion, effectively solving the problems of wrong installation and missing installation, effectively ensuring product quality, and having high work efficiency; the workpiece is taken out of the jig after riveting, and the jig can be transferred to the return conveyor line through the rear-end lifting mechanism and sent back to the front-end lifting mechanism, which is convenient for loading a new round of workpieces and further improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the front end lifting mechanism in the utility model.

[0017] Figure 3 It is a schematic diagram of the structure of the forward conveying line and the return conveying line in the utility model.

[0018] Figure 4 It is a structural schematic diagram of the stapling robot in the utility model.

[0019] Figure 5 It is a structural schematic diagram of the forward conveying line in the utility model.

[0020] Figure 6 It is a structural schematic diagram of the medium and long frame of the utility model.

[0021] Figure 7 It is a structural schematic diagram of the positioning device in the utility model.

[0022] Figure 8 It is a structural schematic diagram of the punching machine in the utility model. DETAILED DESCRIPTION

[0023] Example: See Figures 1 to 8 The utility model embodiment provides a multi-rivet automatic assembly riveting line, which includes a punching machine 1, a frame 2, a forward conveying line 3, a return conveying line 4, a front lifting mechanism 5, a rear lifting mechanism 6, a rivet arranging machine 7 and a stapling robot 8.

[0024] The front lifting mechanism 5, the frame 2, the rear lifting mechanism 6 and the punching machine 1 are arranged in sequence from front to back, and the forward conveying line 3 and the return conveying line 4 are arranged on the frame 2 in sequence from top to bottom.

[0025] See also Figure 2The front end lifting mechanism 5 includes a base frame 51, a guide rod 52, a guide seat sleeve 53, a lifting cylinder 54, a horizontal seat 55, a reduction motor 56 and a conveying roller 57. The guide seat sleeve 53 is arranged on the base frame 51. The upper end of the guide rod 52 is fixed on the horizontal seat 55, and the lower end is inserted into the guide seat sleeve 53. The lifting cylinder 54 is arranged on the base frame 51 and can drive the horizontal seat 55 to lift relative to the base frame 51. The horizontal seat 55 is provided with a conveying trough, and a plurality of conveying rollers 57 are arranged on the conveying trough. The reduction motor 56 is arranged on the bottom surface of the horizontal seat 55, and drives the conveying roller 57 to rotate through the transmission component to realize the lifting and conveying of the product, so as to facilitate the subsequent assembly operation. Preferably, the base frame 51 is provided with a clearance position corresponding to the reduction motor 56 to reduce structural interference, so that the horizontal seat 55 can be lowered to a lower position. The transmission component is a chain transmission component to improve the transmission efficiency and reduce the failure rate.

[0026] The rear end lifting mechanism 6 has the same structure as the front end lifting mechanism 5 , except that the running direction of the conveying roller 57 is different.

[0027] A plurality of stapling robots 8 are arranged on the frame 2 along the conveying track of the forward conveying line 3 , and a rivet arranging machine 7 is provided on the frame 2 corresponding to one side of each stapling robot 8 .

[0028] For details, see Figure 4 The stapling robot 8 includes a bracket 81, a crossbeam 82, an X-axis moving mechanism 83, a left Y-axis moving mechanism 84, a right Y-axis moving mechanism 85, a Z-axis moving mechanism 86 and a rivet nozzle head 87. The two brackets 81 are symmetrically arranged on both sides of the frame 2, the left Y-axis moving mechanism 84 and the right Y-axis moving mechanism 85 are correspondingly arranged on the two brackets 81, and the two ends of the crossbeam 82 are correspondingly arranged on the left Y-axis moving mechanism 84 and the right Y-axis moving mechanism 85, and are driven by them to move on the Y axis. The X-axis moving mechanism 83 is arranged on the crossbeam 82, the Z-axis moving mechanism 86 is arranged on the X-axis moving mechanism 83 and is driven thereby to move on the X-axis, and the rivet nozzle head 87 is arranged on the Z-axis moving mechanism 86 and is driven thereby to move on the Z-axis. Through the coordinated work of the X-axis moving mechanism 83, the left Y-axis moving mechanism 84, the right Y-axis moving mechanism 85 and the Z-axis moving mechanism 86, the rivet nozzle head 87 is driven to move precisely in three-dimensional space to realize the grabbing and positioning of rivets.

[0029] See also Figure 5 and Figure 6The forward conveying line 3 includes a forward reduction motor 31, a driving sprocket shaft 32, a driven sprocket shaft 33, a long frame 34, a conveying chain 35 and a positioning device 36. An end seat 37 is provided at each end of the long frame 34. The forward reduction motor 31 and the driving sprocket shaft 32 are arranged on one of the end seats 37. The forward reduction motor 31 drives the driving sprocket shaft 32 to rotate, and the driven sprocket shaft 33 is arranged on the other end seat 37. The long frame 34 is provided with a chain groove extending along the long side direction thereof. The conveying chain 35 is located on the chain groove and rotates around the sprockets on the driving sprocket shaft 32 and the driven sprocket shaft 33. The conveying chain 35 is driven to move by the forward reduction motor 31 to realize the conveying of the workpiece. Preferably, the chain groove includes an upper groove 341 and a lower groove 342. The upper groove 341 is located on the upper surface of the long frame 34, and the lower groove 342 is located in the long frame 34. The overall structure is compact and occupies little space.

[0030] The return conveying line 4 has the same structure as the forward conveying line 3, except for the conveying direction.

[0031] See also Figure 5 and Figure 7 The positioning device 36 is arranged on the long frame 34 corresponding to the position of the stapling robot 8. The positioning device 36 includes a guide rod cylinder 361, a positioning seat 362, a positioning arm 363 and a positioning column 364. The positioning seat 362 is arranged on the piston rod of the guide rod cylinder 361. The positioning seat 362 is provided with an X-axis groove 3621. The positioning arm 363 is located in the X-axis groove 3621 and is locked by a screw; the positioning column 364 is fixed on the positioning arm 363. The positioning seat 362 and the positioning arm 363 are driven to move by the guide rod cylinder 361, so that the positioning column 364 contacts the jig to realize the rapid and accurate positioning of the workpiece, which facilitates the stapling robot 8 to load the rivet and improves the assembly accuracy and efficiency.

[0032] A push mechanism 9 is provided at the front position of the punching machine 1, and the push mechanism 9 includes a support table 91, an advance and retreat slide rail 92, an advance and retreat slider 93 and a push seat 94. The advance and retreat slide rail 92 is arranged on the support table 91 along the X-axis direction, and the push seat 94 is movably arranged on the advance and retreat slide rail 92 through the advance and retreat slider 93. Preferably, a jig positioning cavity is provided on the push seat 94, which facilitates the accurate positioning of the jig transferred from the rear end lifting mechanism 6 on the push seat 94, and by pushing in or pulling out the push seat 94, the jig is pushed into or pulled out of the station of the punching machine 1 accordingly.

[0033] During operation, the rivet specifications required to be assembled in each area of ​​the workpiece are pre-set, and rivets of corresponding specifications are placed in each rivet arrangement machine 7. The rivet arrangement machine 7 arranges the rivets therein and places them at a predetermined position for the corresponding stapling manipulator 8 to grab.

[0034] The workpiece is placed on the jig and transferred to the front-end lifting mechanism 5 together. The front-end lifting mechanism 5 lifts the jig 10 loaded with the workpiece to the height position of the forward conveyor line 3, and conveys the jig 10 thereon to the forward conveyor line 3. The process of conveying the jig 10 loaded with the workpiece from the forward conveyor line 3 passes through the workstations of each stapling robot 8 one by one. When arriving at the workstation of each stapling robot 8, the positioning device 36 positions the jig 10 loaded with the workpiece to facilitate the stapling robot 8 to assemble rivets. Since each stapling robot 8 is specifically responsible for assembling rivets of a certain specification in a certain area of ​​the workpiece, the problem of mis-assembly and missing assembly is effectively solved. In the process of assembling rivets, the front-end lifting mechanism 5 descends to the same height as the return conveyor line 4.

[0035] After the jig 10 loaded with the workpiece passes through all the rivets of the stapling manipulators 8, it then enters the rear-end lifting mechanism 6, and is then transported to the push seat 94 by the rear-end lifting mechanism 6. Then, the push seat 94 is pushed to allow the jig 10 loaded with the workpiece to enter the station of the punching machine 1. After the punching machine 1 completes the riveting process, the push seat 94 is pulled out, the riveted workpiece on the jig 10 is taken out, and the empty jig is pushed to the rear-end lifting mechanism 6; the rear-end lifting mechanism 6 descends so that the empty jig is at the same height as the return conveyor line 4, and then, the rear-end lifting mechanism 6 transports the empty jig to the return conveyor line 4, and the return conveyor line 4 transports the empty jig to the front-end lifting mechanism 5. At this time, the new workpiece can be placed on the empty jig, waiting for the next round of riveting process.

[0036] According to the disclosure and teaching of the above description, technicians in the field to which the utility model belongs can also change and modify the above implementation. Therefore, the utility model is not limited to the specific implementation methods disclosed and described above, and some modifications and changes to the utility model should also fall within the protection scope of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the utility model. As described in the above embodiments of the utility model, other production lines obtained by using the same or similar structure are all within the protection scope of the utility model.

Claims

1. A multi-rivet automatic assembly riveting line, comprising a punching machine, characterized in that: It also includes a frame, a forward conveying line, a return conveying line, a front-end lifting mechanism, a rear-end lifting mechanism, a rivet arranging machine and a stapling robot. The front-end lifting mechanism, the frame, the rear-end lifting mechanism and the punching machine are arranged in sequence from front to back, the forward conveying line and the return conveying line are arranged on the frame in sequence from top to bottom, a plurality of stapling robots are arranged on the frame along the conveying track of the forward conveying line, and a rivet arranging machine is provided on the frame corresponding to one side of each stapling robot.

2. The multi-rivet automatic assembly riveting line according to claim 1, characterized in that: The front-end lifting mechanism includes a base frame, a guide rod, a guide seat sleeve, a lifting cylinder, a horizontal seat, a reduction motor and a conveying roller. The guide seat sleeve is arranged on the base frame, the upper end of the guide rod is fixed on the horizontal seat, and the lower end is inserted into the guide seat sleeve. The lifting cylinder is arranged on the base frame and can drive the horizontal seat to perform a lifting action relative to the base frame. The horizontal seat is provided with a conveying trough, and a plurality of the conveying rollers are arranged in an array on the conveying trough. The reduction motor is arranged on the bottom surface of the horizontal seat, and drives the conveying rollers to rotate through a transmission assembly.

3. The multi-rivet automatic assembly riveting line according to claim 2, characterized in that: The base frame is provided with a clearance position corresponding to the position of the reduction motor, and the transmission assembly is a chain transmission assembly.

4. The multi-rivet automatic assembly riveting line according to claim 1, characterized in that: The stapling robot comprises a bracket, a crossbeam, an X-axis moving mechanism, a left Y-axis moving mechanism, a right Y-axis moving mechanism, a Z-axis moving mechanism and a rivet nozzle head. The two brackets are symmetrically arranged on both sides of the frame. The left Y-axis moving mechanism and the right Y-axis moving mechanism are correspondingly arranged on the two brackets. The two ends of the crossbeam are correspondingly arranged on the left Y-axis moving mechanism and the right Y-axis moving mechanism, and are driven by them to move on the Y-axis. The X-axis moving mechanism is arranged on the crossbeam, the Z-axis moving mechanism is arranged on the X-axis moving mechanism, and is driven by it to move on the X-axis. The rivet nozzle head is arranged on the Z-axis moving mechanism, and is driven by it to move on the Z-axis.

5. The multi-rivet automatic assembly riveting line according to claim 2, characterized in that: The forward conveyor line includes a forward reduction motor, a driving sprocket shaft, a driven sprocket shaft, a long frame and a conveying chain. An end seat is provided at each end of the long frame. The forward reduction motor and the driving sprocket shaft are arranged on one of the end seats. The forward reduction motor drives the driving sprocket shaft to rotate, and the driven sprocket shaft is arranged on the other end seat. A chain groove extending along the long side direction of the long frame is provided on the long frame. The conveying chain is located on the chain groove and rotates around the sprockets on the driving sprocket shaft and the driven sprocket shaft.

6. The multi-rivet automatic assembly riveting line according to claim 5, characterized in that: The chain slot comprises an upper slot and a lower slot, wherein the upper slot is located on the upper surface of the long frame, and the lower slot is located inside the long frame.

7. The multi-rivet automatic assembly riveting line according to claim 5, characterized in that: The forward conveying line also includes a positioning device, and the positioning device is arranged on the long frame corresponding to the position of the stapling robot.

8. The multi-rivet automatic assembly riveting line according to claim 7, characterized in that: The positioning device includes a guide rod cylinder, a positioning seat, a positioning arm and a positioning column. The positioning seat is arranged on the piston rod of the guide rod cylinder. The positioning seat is provided with an X-axis groove. The positioning arm is located in the X-axis groove and is locked by a screw; the positioning column is fixed on the positioning arm.

9. The multi-rivet automatic assembly riveting line according to claim 1, characterized in that: A pushing mechanism is provided at the front position of the punching machine, and the pushing mechanism includes a support platform, an advance and retreat slide rail, an advance and retreat slider and a pushing seat. The advance and retreat slide rail is arranged on the support platform along the X-axis direction, and the pushing seat is movably arranged on the advance and retreat slide rail through the advance and retreat slider.

10. The multi-rivet automatic assembly riveting line according to claim 9, characterized in that: The push seat is provided with a jig positioning cavity.

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