An automatic loading and unloading system for round link chain production

Abstract

The present invention discloses an automatic loading and unloading system for round link chain production, including a robot system, a chain weaving machine, a heating furnace, a welding machine, a coding device, a burr removal machine, a center turntable machine, a control system, and a round link chain fixture, wherein a cross arm is installed on the upper part of the center turntable machine, an end chain link positioning device is provided at the end of the cross arm, a finished chain tray is provided in the middle part of the center turntable machine, a turntable machine positioning device is provided at the lower part of the center turntable machine, the center turntable machine is arranged at a position close to the middle, the chain weaving machine, the heating furnace, the welding machine, and the burr removal machine are sequentially arranged around the center turntable machine according to the process, and the robot system, the chain weaving machine, the heating furnace, the welding machine, the coding device, the burr removal machine, and the center turntable machine are respectively connected to the control system by electrical signals. The present invention realizes automatic loading and unloading of each process in the round link chain production, and since each process can be loaded and unloaded at the same time, the production efficiency is improved and the labor intensity is reduced.

Description

Technical Field

[0001] The present invention relates to the field of round link chain production, and in particular to an automatic loading and unloading system for round link chain production. Background Art

[0002] Round link chains are key vulnerable parts of various mechanical equipment, with large demand and high technical requirements. With the rapid development of globalization and informatization of industrial production, industrial production safety and production automation are becoming more and more important and popular. At present, in most enterprises, the traditional chain production method is that workers control semi-automatic chain making equipment to produce, with manual loading and unloading and control switches. This production mode is inefficient, labor-intensive, and has a poor working environment. Working in such an environment for a long time will cause great damage to the physical and mental health of workers. Summary of the invention

[0003] The present invention is to overcome the shortcomings of the above-mentioned prior art and provide an automated loading and unloading system for round link chain production. The present invention is provided by setting a robot system, a central turntable machine, a cross arm, a turntable machine positioning device, and an end chain link positioning device. The robot system clamps and moves the round link chain, and the central turntable machine drives the cross arm to rotate. The cross arm facilitates the transportation and transfer of the round link chain between different workstations. The end chain link positioning device provides a fixed coordinate position for the robot to clamp the round link chain. The production line is arranged along the circumferential direction of the turntable machine, with a workstation every 90°, to realize automatic loading and unloading of each process in the production of the round link chain. Since each process can be loaded and unloaded at the same time, the production efficiency is improved and the labor intensity is reduced.

[0004] The technical solution adopted by the present invention to solve the technical problem is:

[0005] An automated loading and unloading system for round link chain production, comprising a robot system, a chain weaving machine, a heating furnace, a welding machine, a coding device, a burr removal machine, a center turntable machine, a control system, and a round link chain clamp, wherein a cross arm is installed on the upper part of the center turntable machine, an end chain link positioning device is provided at the end of the cross arm, a finished chain tray is provided in the middle part of the center turntable machine, a turntable machine positioning device is provided at the lower part of the center turntable machine, the center turntable machine is arranged at a position close to the middle, the chain weaving machine, the heating furnace, the welding machine, and the burr removal machine are sequentially arranged around the center turntable machine according to the process, the robot system comprises a robot R1, a robot R2, and a robot R3, the robot R1 is arranged between the chain weaving machine and the unloading station, the robot R2 is arranged between the chain weaving machine and the welding machine, the robot R3 is arranged between the welding machine and the burr removal machine, the heating furnace is arranged on the chain weaving machine and close to the robot R2 side, and the coding device is arranged on the burr removal machine and close to the robot R3 side;

[0006] The robot system, chain braiding machine, heating furnace, welding machine, coding device, burr removal machine and central turntable machine are respectively connected with the control system by electrical signals.

[0007] A chain machine positioning device is installed on the upper part of the chain machine, and the chain machine positioning device includes a base plate, and the base plate is connected to the chain machine by bolts. A positioning machine base is installed on the upper part of the base plate, and a support plate is installed on the upper part of the positioning machine base. The upper end hinge shaft of the positioning machine base is connected to a bar positioning arm, one end of the bar positioning arm is provided with an adjustment component, and a semi-ring positioning block is installed on the upper part of the support plate. A cylinder assembly is provided on the side of the positioning machine base away from the semi-ring positioning block, and the other end of the bar positioning arm is rotatably connected to the cylinder assembly.

[0008] A feeder seat is installed on the upper part of the base plate, a movable hinge shaft is penetrated inside one side of the feeder seat, the feeder seat is connected to a movable bracket through the movable hinge shaft, a supporting plate is provided on the upper part of the movable bracket, a lifting cylinder assembly is installed on the lower part of the movable bracket, a rod slide is provided on the upper part of the feeder seat, and a pushing cylinder assembly is installed on one side of the feeder seat.

[0009] The circular link chain clamp includes a fixed plate, one side of the fixed plate is connected to a robot system, the other side of the fixed plate is installed with a fixed arm, the end of the fixed arm is connected to a power arm via a connecting hinge shaft, one end of the power arm is provided with an articulated joint, the other end of the power arm is connected to a first clamp tooth, one end of the fixed arm is connected to a second clamp tooth, the other end of the fixed arm is installed with a power cylinder, and the end of the piston rod of the power cylinder is hinged to the power arm via an articulated joint.

[0010] The first and second jaws are respectively connected to the power arm and the fixed arm through a detachable device. The first and second jaws are provided in multiple groups, and the jaw sizes are different.

[0011] The power cylinder is provided with a protective cover on one side close to the second jaw.

[0012] A detection component is installed on one side of the fixed arm, and a pipeline package is installed on one end of the fixed arm, and the pipeline package is connected to the robot system.

[0013] The turntable machine positioning device includes a turntable positioning machine base, a turntable positioning assembly, a turntable positioning pin, and a turntable positioning pin seat. The lower part of the finished product chain pallet is provided with four groups of turntable positioning pin seats in a circular array with the central turntable machine as the center. A turntable positioning machine base is provided below the turntable positioning pin seat, close to the chain weaving machine side. A turntable positioning assembly is installed above the turntable positioning machine base. A turntable positioning pin is provided above the turntable positioning assembly. The turntable positioning pin coincides with the axis of the pin hole of the turntable positioning pin seat. The turntable positioning assembly includes a turntable positioning cylinder, a turntable positioning guide machine base, and a turntable positioning guide sleeve. The turntable positioning cylinder is installed on the upper part of the turntable positioning machine base. A turntable positioning guide machine base is installed on the upper part of the turntable positioning cylinder. A turntable positioning guide sleeve is provided above the turntable positioning guide machine base.

[0014] The end chain link positioning device includes a chain link positioning pin seat, a chain link positioning cylinder, and a chain link positioning mounting seat. The chain link positioning mounting seat is installed at the end of the cross arm, and the chain link positioning cylinder is installed on the upper part of the chain link positioning mounting seat. A chain link positioning pin seat connected to the lower part of the chain link positioning mounting seat is provided below the chain link positioning cylinder.

[0015] The number of the end link positioning devices is four.

[0016] A chain end mounting seat is arranged in the middle of the cross arm, a chain end positioning cylinder is arranged on one side of the upper portion of the chain end mounting seat, and a chain end positioning pin seat is arranged on one side of the lower portion of the chain end mounting seat.

[0017] The welding machine adopts a flash welding machine, and a welding machine protection door is installed at the front of the flash welding machine. The chain braiding machine, the burr removal machine and one side of the unloading station are provided with a safety protection structure.

[0018] The control system is arranged on one side of the safety protection structure.

[0019] The beneficial effects of the present invention are:

[0020] 1. The present invention provides an automatic loading and unloading system for round link chain production, which is provided with a robot system, a center turntable machine, a cross arm, a turntable machine positioning device, and an end link positioning device. The robot system clamps and moves the round link chain, the center turntable machine drives the cross arm to rotate, the cross arm facilitates the transportation and transfer of the round link chain between different workstations, and the end link positioning device provides a coordinate position for the robot to clamp the round link chain. The production line is arranged along the circumferential direction of the turntable machine, with a workstation every 90°, to realize automatic loading and unloading of each process in the round link chain production, and because each process can be loaded and unloaded at the same time, it can improve production efficiency and reduce labor intensity.

[0021] 2. An automated loading and unloading system for the production of circular link chains of the present invention is provided with a turntable positioning pin, a turntable positioning pin seat, a turntable positioning cylinder, and a turntable positioning guide sleeve. The turntable positioning guide sleeve controls the movement direction and trajectory of the turntable positioning cylinder piston. The turntable positioning pin seat and the turntable positioning pin cooperate to control the rotation angle of the central turntable machine. The turntable positioning cylinder provides power to enable the turntable positioning pin to be inserted into and detached from the turntable positioning pin seat, thereby controlling the moving direction and angle of the circular link chain. The system cooperates with the robot system to realize the positioning of the circular link chain, thereby improving production efficiency, reducing the labor intensity of workers, and reducing the negative impact of harsh working environment on the physical and mental health of workers.

[0022] 3. The automated loading and unloading system for round link chain production of the present invention reduces the pollution and harm caused by the flash welder to surrounding personnel and equipment by providing a welding machine protection door and a safety protection structure, thereby avoiding the danger caused by personnel accidentally entering the automated production line.

[0023] 4. The automatic loading and unloading system for round link chain production of the present invention realizes integrated automation of round link chain production by setting a control system, a heating furnace, and a coding device, thereby reducing labor costs and avoiding health damage to workers working in harsh environments.

[0024] 5. The present invention provides an automated loading and unloading system for the production of circular link chains. By setting a chain link positioning pin seat and a chain link positioning cylinder, the chain link positioning pin seat provides support for the end linked chain link, and the chain link positioning cylinder provides power to cooperate with the chain link positioning pin seat to clamp the end chain link of the circular link chain, thereby preventing the end chain link of the circular link chain from falling out or falling off during the transfer process.

[0025] 6. The automatic loading and unloading system for round link chain production of the present invention ensures simultaneous loading and unloading of four workstations by setting four sets of end link positioning devices, thereby improving production efficiency.

[0026] 7. The automatic loading and unloading system for round link chain production of the present invention fixes the round link chain by setting a chain end mounting seat, a chain end positioning cylinder, and a chain end positioning pin seat, so as to facilitate chain collection after chain weaving is completed.

[0027] 8. The present invention provides an automated loading and unloading system for the production of circular link chains. By setting a base plate, a bar positioning arm, an adjusting component, a semi-ring positioning block, and a cylinder assembly, the base plate can be installed to conveniently assemble the feeding unit and the positioning unit onto the chain making machine. The system has low investment cost and is easy to maintain. The bar positioning arm drives the adjusting component to change the extended length through the adjusting component, thereby facilitating the positioning of the bar. The semi-ring positioning block positions and locks the single bend material to achieve semi-ring positioning and improve positioning stability. The cylinder assembly pulls the bar positioning arm to avoid the semi-ring positioning position to avoid subsequent semi-ring positioning deviations.

[0028] 9. The present invention provides an automated loading and unloading system for the production of circular link chains, by providing a supporting plate, a movable hinge shaft, a lifting cylinder assembly, a rod slide, a movable bracket, and a pushing cylinder assembly. The supporting plate holds the rods, and the lifting cylinder assembly lifts the movable bracket to rotate the movable bracket upward by a certain angle. The supporting plate is tilted to cause the rods to fall into the rod slide under the action of gravity. The rod slide constrains the direction of the rods to achieve reliable and accurate transfer of the rods. The pushing cylinder pushes the rods that have fallen into the rod slide to contact the adjusting components to achieve automatic feeding and reduce labor intensity.

[0029] 10. The present invention provides an automated loading and unloading system for the production of round link chains, wherein an articulated joint and a power arm transmit power to achieve clamping, and a fixed arm increases the distance between the power cylinder and the heat source, thereby reducing the negative impact of heating parts on the power cylinder and avoiding a reduction in the service life of the power cylinder. The fixture can be conveniently assembled onto a robot through the fixed plate on the fixed arm, with low investment cost and easy installation and maintenance.

[0030] 11. The present invention provides an automated loading and unloading system for circular link chain production, wherein two jaws are connected to a power arm and a fixed arm via a pin shaft and a cotter pin, the cotter pin fixes the pin shaft, and the connection is firm, while the two jaws connected by the pin shaft are detachable, which reduces maintenance costs and facilitates replacement of clamps of different specifications to achieve stable clamping of the circular link chain.

[0031] 12. The automatic loading and unloading system for round link chain production of the present invention blocks heat radiation and reduces the negative impact of high-temperature and high-heat round link chains on power cylinders.

[0032] 13. The present invention provides an automated loading and unloading system for the production of round link chains. The detection component robot cooperates to achieve effective monitoring of the round link chains and ensure the output quality of the round link chains. The pipeline package effectively protects various pipelines, making installation and maintenance and replacement more convenient, reducing damaged and aging units, avoiding the round link chains, and preventing cables from limiting the robot's range of motion and trajectory. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the main structure of an embodiment of the present invention;

[0034] Figure 2 It is a schematic top view of the structure of an embodiment of the present invention;

[0035] Figure 3 It is a structural schematic diagram of a positioning device for a turntable machine according to an embodiment of the present invention;

[0036] Figure 4 This is a schematic diagram of the structure of the distribution of the positioning pin seats of the turntable machine in the embodiment of the present invention;

[0037] Figure 5 It is a schematic structural diagram of a cross section of a positioning device for a turntable machine according to an embodiment of the present invention;

[0038] Figure 6 for Figure 1 A local enlarged view of I;

[0039] Figure 7 for Figure 1 A partial enlarged view of P;

[0040] Figure 8 It is a structural schematic diagram of a positioning device for a chain braiding machine according to an embodiment of the present invention;

[0041] Fig. 9 It is a schematic diagram of the main structure of the feeding mechanism of the positioning device of the chain braiding machine in the embodiment of the present invention;

[0042] Fig.10 It is a left-side structural schematic diagram of the feeding mechanism of the positioning device of the chain braiding machine in the embodiment of the present invention;

[0043] Fig.11 It is a schematic diagram of the top view of the feeding mechanism of the positioning device of the chain braiding machine in the embodiment of the present invention;

[0044] Fig.12 It is a structural schematic diagram of the bar positioning state of the positioning mechanism of the positioning device of the chain braiding machine in the embodiment of the present invention;

[0045] Fig.13 It is a structural schematic diagram of the half-ring positioning of the positioning mechanism of the positioning device of the chain-making machine in the embodiment of the present invention;

[0046] Fig.14 It is a structural schematic diagram of a round link chain clamp in an embodiment of the present invention;

[0047] Fig.15 It is a schematic diagram of the top view of the round link chain clamp in an embodiment of the present invention.

[0048] In the figure:

[0049] 1. Robot system; 101. Robot R1; 102. Robot R2; 103. Robot R3;

[0050] 2. End chain link positioning device; 201. Chain link positioning device 1; 202. Chain link positioning device 2; 203. Chain link positioning device 3; 204. Chain link positioning device 4; 205. Chain link positioning pin seat; 206. Chain link positioning cylinder; 207. Chain link positioning mounting seat;

[0051] 3. Chain making machine;

[0052] 4. Chain braiding machine positioning device; 401. Bottom plate; 402. Feeder base; 403. Support plate; 404. Active hinge shaft; 405. Lifting cylinder assembly; 406. Pushing cylinder assembly; 407. Bar slideway; 408. Active bracket; 409. Positioning base; 410. Support plate; 411. Bar positioning arm; 412. Adjustment component; 413. Semi-ring positioning block; 414. Cylinder assembly;

[0053] 5. Heating furnace;

[0054] 6. Flash welding machine;

[0055] 7. Turntable positioning device; 701. Turntable positioning base; 702. Turntable positioning assembly; 703. Turntable positioning pin; 704. Turntable positioning pin base; 705. Turntable positioning cylinder; 706. Turntable positioning guide base; 707. Turntable positioning guide sleeve;

[0056] 8. Welding machine protection door;

[0057] 9. Coding device;

[0058] 10. Thorn removal machine;

[0059] 11. Center turntable machine; 1101. Finished product chain pallet;

[0060] 12. Cross arm; 1201. Chain end mounting seat; 1202. Chain end positioning cylinder; 1203. Chain end positioning pin seat;

[0061] 13. Safety protection structure;

[0062] 14. Control system;

[0063] 15. Round link chain clamp; 1501. Fixed plate; 1502. Fixed arm; 1503. Articulated joint; 1504. Power arm; 1505. Jaw one; 1506. Jaw two; 1507. Connecting hinge shaft; 1508. Detection component; 1509. Protective cover; 1510. Power cylinder; 1511. Pipeline package. DETAILED DESCRIPTION

[0064] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0065] like Figure 1-15As shown, an automated loading and unloading system for round link chain production includes a robot system 1, a chain weaving machine 3, a heating furnace 5, a welding machine 6, a coding device 9, a burr removal machine 10, a center turntable machine 11, a control system 14, and a round link chain clamp 15. A cross arm 12 is installed on the upper part of the center turntable machine 11, and an end chain link positioning device 2 is provided at the end of the cross arm 12. A finished chain tray 1101 is provided in the middle of the center turntable machine 11, and a turntable machine positioning device 7 is provided at the lower part of the center turntable machine 11. The center turntable machine 11 is arranged near the middle, the chain weaving machine 3, the heating furnace 5, the welding machine 6, the coding device 9, the deburring machine 10, the center turntable machine 11, the control system 14, and the round link chain clamp 15. The furnace 5, the welding machine 6, and the deburring machine 10 are sequentially arranged around the central turntable machine 11 according to the process. The robot system 1 includes a robot R1101, a robot R2102, and a robot R3103. The robot R1101 is arranged between the chaining machine 3 and the unloading station, the robot R2102 is arranged between the chaining machine 3 and the welding machine 6, and the robot R3103 is arranged between the welding machine 6 and the deburring machine 10. The heating furnace 5 is arranged on the chaining machine 3 and close to the robot R2102 side, and the coding device 9 is arranged on the deburring machine 10 and close to the robot R3103 side;

[0066] The robot system 1 , the chain braiding machine 3 , the heating furnace 5 , the welding machine 6 , the coding device 9 , the burr removal machine 10 , and the central turntable machine 11 are respectively connected to the control system 14 by electrical signals.

[0067] like Figure 2-5 As shown, in this embodiment, the turntable machine positioning device 7 includes a turntable positioning machine base 701, a turntable positioning assembly 702, a turntable positioning pin 703, and a turntable positioning pin seat 704. The lower part of the finished chain pallet 1101 is provided with four groups of turntable positioning pin seats 704 in a circular array with the central turntable machine as the center. The turntable positioning machine base 701 is arranged below the turntable positioning pin seat 704 near the side of the chain braiding machine 3, and the turntable positioning machine base 701 is installed above the turntable positioning machine base 701. The turntable positioning assembly 702 is arranged above the turntable positioning pin 703. The turntable positioning pin 703 coincides with the axis of the pin hole of the turntable positioning pin seat 704. The turntable positioning assembly 702 includes a turntable The turntable positioning cylinder 705, the turntable positioning guide base 706, and the turntable positioning guide sleeve 707. The turntable positioning cylinder 705 is installed on the upper part of the turntable positioning base 701. The turntable positioning guide base 706 is installed on the upper part of the turntable positioning cylinder 705. The turntable positioning guide sleeve 707 is arranged above the turntable positioning guide base 706. The turntable positioning cylinder 705 cooperates with the turntable positioning guide sleeve 707 to move the turntable positioning pin 703 through the piston. The turntable positioning pin 703 accurately controls the rotation angle of the center turntable machine 11 through the pin hole of the turntable positioning pin base 704, so that the end link of the circular chain reaches the predetermined position, thereby providing guarantee for the subsequent loading and unloading of the robot system 1.

[0068] like Figure 1As shown, in this embodiment, a welding machine protection door 8 is installed in front of the flash welder 6, and a safety protection structure 13 is provided on one side of the chain braiding machine 3, the burr removal machine 10 and the unloading station to avoid danger to the workers.

[0069] like Figure 1 As shown, in this embodiment, a control system 14 is provided on one side of the safety protection structure 13, a heating furnace 5 is provided between the chain braiding machine 3 and the robot R2102, and a coding device 9 is provided between the deburring machine 10 and the robot R3103. The control system 14 provided on the outside of the safety protection structure 13 is convenient for the staff to control and prevents the staff from mistakenly entering the production line, thereby reducing the dangers that may be caused by the production line. The heating furnace 5 and the coding device 9 are provided to realize the complete processing process of the round link chain, which basically does not require human participation.

[0070] like Figure 6 As shown, in this embodiment, the end link positioning device 2 includes a link positioning pin seat 205, a link positioning cylinder 206, and a link positioning mounting seat 207. The link positioning mounting seat 207 is installed at the end of the cross arm 12. The link positioning cylinder 206 is installed on the upper part of the link positioning mounting seat 207. A link positioning pin seat 205 connected to the lower part of the link positioning mounting seat 207 is arranged below the link positioning cylinder 206. The link positioning pin seat 205 suspends the end link of the circular chain. The link positioning cylinder 206 presses the end link of the circular chain on the link positioning pin seat 205 through a piston to prevent the end link of the circular chain from falling out.

[0071] like Figure 1 As shown, in this embodiment, the number of the end link positioning devices 2 is four groups, and the end link positioning devices 2 are chain link positioning device one 201, chain link positioning device two 202, chain link positioning device three 203, and chain link positioning device four 204 in clockwise order. The four groups of end link positioning devices 2 cooperate with the robot system 1 to realize loading and unloading of four workstations at the same time, thereby improving production efficiency.

[0072] like Figure 7 As shown, in this embodiment, a chain end mounting seat 1201 is provided in the middle part of the cross arm 12, a chain end positioning cylinder 1202 is installed on the upper side of the chain end mounting seat 1201, and a chain end positioning pin seat 1203 is installed on the lower side of the chain end mounting seat 1201. The chain end mounting seat 1201 provides support, the chain end positioning cylinder 1202 presses the circular link chain link through the piston, and the chain end positioning pin seat 1203 suspends the circular link chain link.

[0073] like Figure 8-13As shown, in this embodiment, a chain machine positioning device 4 is installed on the upper part of the chain machine 3, and the chain machine positioning device 4 includes a bottom plate 401, and the bottom plate 401 is connected to the chain machine 3 by bolts. A positioning machine base 409 is installed on the upper part of the bottom plate 401, and a support plate 410 is installed on the upper part of the positioning machine base 409. The upper end hinge shaft of the positioning machine base 409 is connected to a bar positioning arm 411, and one end of the bar positioning arm 411 is provided with an adjustment component 412. A semi-ring positioning block 413 is installed on the upper part of the support plate 410, and the positioning machine base 409 is away from the semi-ring positioning block 413. A cylinder assembly 414 is provided, and the other end of the bar positioning arm 411 is rotatably connected to the cylinder assembly 414. The bar positioning arm 411 provides support for the adjusting component 412. The adjusting component 412 is an adjusting bolt, which changes the protruding length by rotation to achieve the positioning of the bar. After completing the weaving of half a ring, the upper core shaft moves up, and the cylinder assembly 414 pulls one end of the bar positioning arm 411 to make the bar positioning arm 411 rotate with the hinge shaft as the fulcrum, thereby lifting the bar positioning arm 411 away from one end of the cylinder assembly 414, thereby driving the adjusting component 412 to move up to avoid obstructing the weaving of the rear half ring.

[0074] like Figure 9-11 As shown, in this embodiment, a feeder base 402 is installed on the upper part of the base plate 401, and a movable hinge shaft 404 is provided inside one side of the feeder base 402. The feeder base 402 is connected to a movable bracket 408 through the movable hinge shaft 404. A supporting plate 403 is provided on the upper part of the movable bracket 408, and a lifting cylinder assembly 405 is installed on the lower part of the movable bracket 408. A bar slide 407 is provided on the upper part of the feeder base 402, and a pushing cylinder assembly 406 is installed on one side of the feeder base 402. The supporting plate 403 supports the bar, and the lifting cylinder assembly 405 drives the movable bracket 408. The movable bracket 408 rotates along the hinge shaft, causing the bar to roll into the bar slide 407, and the pushing cylinder assembly 406 pushes the bar falling into the bar slide 407 to realize automatic feeding.

[0075] like Figure 14-15As shown, in this embodiment, the round chain clamp 15 includes a fixed plate 1501, one side of the fixed plate 1501 is connected to the robot system 1, the other side of the fixed plate 1501 is installed with a fixed arm 1502, the end of the fixed arm 1502 is connected to the power arm 1504 through a connecting hinge 1507, one end of the power arm 1504 is provided with an articulated joint 1503, the other end of the power arm 1504 is connected to a jaw 1 1505, one end of the fixed arm 1502 is connected to a jaw 2 1506, and the other end of the fixed arm 1502 is installed The power cylinder 1510, the end of the piston rod of the power cylinder 1510 is hinged to the power arm 1504 through the hinged joint 1503, the fixed plate 1501 connects the circular chain clamp 15 and the robot system 1, the power cylinder 1510 lifts the power arm 1504, drives the jaws 1505 to move, and the jaws close to clamp the circular chain. The fixed arm 1502 increases the distance between the power cylinder 1510 and the heat source, reduces the influence of heat transfer on the power cylinder 1510, and avoids the high-temperature circular chain affecting the service life of the power cylinder 1510.

[0076] like Figure 14-15 As shown, in the present embodiment, jaws 1505 and jaws 2 1506 are respectively connected to the power arm 1504 and the fixed arm 1502 through a detachable device. The number of jaws 1505 and jaws 2 1506 are multiple groups, and the jaw sizes are different. The detachable device is a pin shaft with a cotter pin, which makes the clamp formed by the two replaceable. Therefore, jaws of different sizes can be selected according to the different sizes of the circular link chain, thereby reducing maintenance costs and achieving stable clamping of the circular link chain.

[0077] like Figure 14-15 As shown, in this embodiment, a protective cover 1509 is provided on the side of the power cylinder 1510 close to the second jaw 1506 , and the protective cover 1509 blocks heat radiation to prevent heat transfer from affecting the service life of the power cylinder 1510 .

[0078] like Figure 14-15 As shown, in this embodiment, a detection component 1508 is installed on one side of the fixed arm 1502, and a pipeline bag 1511 is installed at one end of the fixed arm 1502. The pipeline bag 1511 is connected to the robot system 1. The detection component 1508 cooperates with the robot to achieve effective monitoring of the circular chain. The pipeline bag 1511 reduces damage and aging of the pipeline, can effectively protect the internal pipeline, avoid the circular chain, and will not limit the movement trajectory of the robot.

[0079] The working principle of the present invention is as follows: first, the end link of the chain weaving traction tool chain is fixed on the end chain change positioning device 2, the heating furnace 5 heats the bar material, the robot R2102 grabs the heated qualified bar material and places it on the chain weaving machine positioning device 4, the chain weaving machine positioning device 4 positions the bar material, the chain weaving machine 3 works, and performs the first bending on the bar material, the robot R1101 grabs the workpiece for the first bending and moves it to the half-ring positioning block 413 for the second bending, during the bending process, the robot R1101 releases the circular chain clamp 15, the chain weaving machine 3 works, and the chain link weaving is completed, the robot R1101 grabs the chain link after the second bending, and places it on the chain link positioning device 1 201 for fixed positioning, the center turntable machine 11 rotates 90° under the servo drive, and the turntable machine positioning device 7 accurately positions the center turntable machine 11, the robot R2102 grabs the chain link on the chain link positioning device 202 and places it on the flash welder 6, the welding machine protective door 8 is closed, and the flash welder 6 starts welding Chain link, welding is completed, welding machine protection door 8 is opened, robot R2102 grabs the welded chain link and places it on the chain link positioning device 202 for positioning and fixing, the center turntable machine 11 rotates 90° under servo drive, and the turntable machine positioning device 7 accurately positions the center turntable machine 11, robot R3103 grabs the chain link on the chain link positioning device 3 203 and places it on the coding device 9 for coding, and then robot R3103 grabs the coded chain link and places it on the deburring machine 10 for deburring, after the deburring is completed, robot R3103 grabs the deburred chain link and fixes it on the chain link positioning device 3 203, the center turntable machine 11 rotates 90° under servo drive, and the turntable machine positioning device 7 accurately controls the rotation angle of the center turntable machine 11, and the woven chain is manually assisted in collecting at the unloading station, and the chain is packed and shipped out of the unloading station, the chain weaving machine 3, the flash welding machine 6, the deburring machine 10, etc. work simultaneously, and the above working process is repeated continuously until the chain is completed.

[0080] In the description of the present invention, the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "vertical", "horizontal", "clockwise", "counterclockwise" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for describing the present invention and do not require that the present invention must be constructed or operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention. The terms "connected" and "connected" in the present invention should be understood in a broad sense. For example, they can be connected or detachably connected; they can be directly connected or indirectly connected through an intermediate component. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0081] The above is a preferred embodiment of the present invention, and the description of the specific embodiment is only used to better understand the concept of the present invention. For those skilled in the art, several improvements or equivalent replacements can be made according to the principles of the present invention, and these improvements or equivalent replacements are also considered to fall within the protection scope of the present invention.

Claims

1. An automated loading and unloading system for round link chain production, comprising a robot system (1), a chain braiding machine (3), a heating furnace (5), a welding machine (6), a coding device (9), a burr removal machine (10), a center turntable machine (11), a control system (14), and a round link chain clamp (15), wherein: A cross arm (12) is installed on the upper part of the central turntable machine (11), and an end chain link positioning device (2) is provided at the end of the cross arm (12). A finished chain tray (1101) is provided in the middle of the central turntable machine (11), and a turntable machine positioning device (7) is provided at the lower part of the central turntable machine (11). The central turntable machine (11) is arranged at a position close to the middle, and a chain braiding machine (3), a heating furnace (5), a welding machine (6), and a burr removal machine (10) are arranged around the central turntable machine (11) in sequence according to the process. The robot system (1) includes The robot R1 (101), the robot R2 (102), and the robot R3 (103) are provided, wherein the robot R1 (101) is arranged between the chain braiding machine (3) and the unloading station, the robot R2 (102) is arranged between the chain braiding machine (3) and the welding machine (6), the robot R3 (103) is arranged between the welding machine (6) and the burr removal machine (10), the heating furnace (5) is arranged on the chain braiding machine (3) and close to the robot R2 (102), and the coding device (9) is arranged on the burr removal machine (10) and close to the robot R3 (103); The robot system (1), the chain braiding machine (3), the heating furnace (5), the welding machine (6), the coding device (9), the burr removal machine (10), and the central turntable machine (11) are respectively connected to the control system (14) via electrical signals; A chain machine positioning device (4) is installed on the upper part of the chain machine (3), and the chain machine positioning device (4) comprises a base plate (401), the base plate (401) is connected to the chain machine (3) by bolts, a positioning machine base (409) is installed on the upper part of the base plate (401), a support plate (410) is installed on the upper part of the positioning machine base (409), a bar material positioning arm (411) is connected to the upper hinge shaft of the positioning machine base (409), an adjustment component (412) is provided at one end of the bar material positioning arm (411), a semi-ring positioning block (413) is installed on the upper part of the support plate (410), a cylinder assembly (414) is provided on the side of the positioning machine base (409) away from the semi-ring positioning block (413), and the other end of the bar material positioning arm (411) is rotatably connected to the cylinder assembly (414); A feeder base (402) is installed on the upper part of the base plate (401), a movable hinge shaft (404) is provided inside one side of the feeder base (402), the feeder base (402) is connected to a movable bracket (408) via the movable hinge shaft (404), a supporting plate (403) is provided on the upper part of the movable bracket (408), a lifting cylinder assembly (405) is installed on the lower part of the movable bracket (408), a rod slide (407) is provided on the upper part of the feeder base (402), and a push cylinder assembly (406) is installed on one side of the feeder base (402).

2. An automatic loading and unloading system for round link chain production as claimed in claim 1, characterized in that: The circular link chain clamp (15) comprises a fixed plate (1501), one side of which is connected to a robot system (1), and the other side of which is mounted a fixed arm (1502), the end of which is connected to a power arm (1504) via a connecting hinge shaft (1507), one end of which is provided with an articulated joint (1503), the other end of which is connected to a first clamp tooth (1505), one end of which is connected to a second clamp tooth (1506), and the other end of which is mounted a power cylinder (1510), the end of a piston rod of which is articulated to the power arm (1504) via an articulated joint (1503).

3. An automatic loading and unloading system for round link chain production as claimed in claim 2, characterized in that: The jaws one (1505) and the jaws two (1506) are respectively connected to the power arm (1504) and the fixed arm (1502) via a detachable device. The jaws one (1505) and the jaws two (1506) are provided in multiple sets and have different jaw sizes.

4. An automatic loading and unloading system for round link chain production as claimed in claim 2, characterized in that: The power cylinder (1510) is provided with a protective cover (1509) on a side close to the second jaw (1506).

5. The automatic loading and unloading system for round link chain production as claimed in claim 2, characterized in that: A detection component (1508) is installed on one side of the fixed arm (1502), and a pipeline package (1511) is installed on one end of the fixed arm (1502), and the pipeline package (1511) is connected to the robot system (1).

6. The automatic loading and unloading system for round link chain production according to claim 1, characterized in that: The turntable positioning device (7) comprises a turntable positioning machine base (701), a turntable positioning assembly (702), a turntable positioning pin (703), and a turntable positioning pin base (704); the lower part of the finished product chain pallet (1101) is provided with four groups of turntable positioning pin bases (704) arranged in a circular array with the central turntable machine as the center; a turntable positioning machine base (701) is provided below the turntable positioning pin base (704) and close to the chain braiding machine (3) on one side; a turntable positioning assembly (702) is installed above the turntable positioning machine base (701); and the turntable positioning assembly (702) is installed above the turntable positioning machine base (701). A turntable positioning pin (703) is provided, and the axis of the turntable positioning pin (703) coincides with the axis of the pin hole of the turntable positioning pin seat (704). The turntable positioning assembly (702) comprises a turntable positioning cylinder (705), a turntable positioning guide machine seat (706), and a turntable positioning guide sleeve (707). The turntable positioning cylinder (705) is installed on the upper part of the turntable positioning machine seat (701), the turntable positioning guide machine seat (706) is installed on the upper part of the turntable positioning cylinder (705), and the turntable positioning guide sleeve (707) is provided above the turntable positioning guide machine seat (706).

7. An automatic loading and unloading system for round link chain production as claimed in claim 1, characterized in that: The end link positioning device (2) comprises a link positioning pin seat (205), a link positioning cylinder (206), and a link positioning mounting seat (207); the link positioning mounting seat (207) is mounted on the end of the cross arm (12); the link positioning cylinder (206) is mounted on the upper part of the link positioning mounting seat (207); and a link positioning pin seat (205) connected to the lower part of the link positioning mounting seat (207) is provided below the link positioning cylinder (206).

8. An automatic loading and unloading system for round link chain production as claimed in claim 7, characterized in that: The number of the end link positioning devices (2) is four groups.

9. An automatic loading and unloading system for round link chain production as claimed in claim 1, characterized in that: A chain end mounting seat (1201) is provided in the middle of the cross arm (12), a chain end positioning cylinder (1202) is installed on one side of the upper portion of the chain end mounting seat (1201), and a chain end positioning pin seat (1203) is installed on one side of the lower portion of the chain end mounting seat (1201).

10. An automatic loading and unloading system for round link chain production as claimed in claim 1, characterized in that: The welding machine (6) is a flash welding machine (6), a welding machine protection door (8) is installed at the front of the flash welding machine (6), and a safety protection structure (13) is provided on one side of the chain braiding machine (3), the burr removal machine (10) and the unloading station.

11. An automatic loading and unloading system for round link chain production as claimed in claim 10, characterized in that: The control system (14) is arranged on one side of the safety protection structure (13).

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