Torsion beam automated production line and torsion beam production process

Abstract

This invention discloses an automated production line and manufacturing process for torsion beams. The automated production line comprises multiple workstations. A first welding station and a second welding station are located on opposite sides of a first loading station. A first cooling station is situated between the first and second welding stations. A second loading station is located on the other side of the second welding station. A third and a fourth welding station are located on opposite sides of the second loading station. A second cooling station is located between the third and fourth welding stations. A CNC machining station is located on the other side of the second cooling station, and a packing station is located on the other side of the CNC machining station. This invention utilizes multiple robots to complete the production process, saving labor costs, optimizing production cycle time, and improving production efficiency.

Description

Technical Field

[0001] This invention relates to the field of automated production technology, and in particular to an automated production line for torsion beams and a torsion beam production process. Background Technology

[0002] A torsion beam is a flexible structure that connects two wheels and allows for a certain degree of torsion. It reduces the interference between the left and right wheels and balances the vertical movement of the wheels.

[0003] Existing automotive torsion beam production lines are mostly semi-automated. Even with welding robots and machine inspection structures, manual control of the production process is still required. As a result, loading, unloading, and adjustments of equipment at each workstation heavily rely on the execution of technicians. In the human-machine interaction mode, robots wait while humans are working, and the instability of human operations not only consumes a lot of human and material resources but also makes it difficult to control the production rhythm. The overall automation level of the operation process is low. With the increasing labor costs, the efficiency of semi-automated production is low, and the production cost is also high. Summary of the Invention

[0004] In view of this, the present invention provides an automated production line and a torsion beam manufacturing process to solve the problems of semi-automation, low production efficiency and high production cost in the prior art.

[0005] This application proposes an automated production line for torsion beams, including a first loading station, a second loading station, a first welding station, a second welding station, a third welding station, a fourth welding station, a first cooling station, a second cooling station, a CNC machining station, and a packing station.

[0006] The first loading station is provided with a first welding station and a second welding station on its two adjacent sides, respectively. The first cooling station is located between the first welding station and the second welding station. The second loading station is provided on the other side of the second welding station. The third welding station and the fourth welding station are provided on its two adjacent sides, respectively. The second cooling station is located between the third welding station and the fourth welding station. The CNC machining station is provided on the other side of the second cooling station. The packing station is provided on the other side of the CNC machining station.

[0007] The first loading station is equipped with a first handling robot and a first material box. The first handling robot is used to move the material in the first material box to the first welding station. The first welding station, the second welding station, the third welding station, and the fourth welding station are all equipped with fixtures and welding robots. The welding robots are used to weld the material fixed by the fixtures. The first cooling station and the second cooling station are both equipped with cooling blowers. The cooling blowers are used to cool the welded material. The CNC machining station is equipped with fully automatic CNC equipment. The fully automatic CNC equipment is used to perform CNC machining on the material.

[0008] The first cooling station is further equipped with a second and a third transport robot. The second transport robot is used for temporarily storing the finished parts from the first welding station and moving them to the first cooling station. The third transport robot is used for temporarily storing the finished parts from the second welding station, moving the finished parts from the first cooling station to the second welding station, and moving the finished parts from the second welding station to the third welding station. The second loading station is equipped with a fourth transport robot and a second material box. The fourth transport robot is used to move the material in the second material box to the second welding station. The receiving station, the second cooling station is equipped with a fifth handling robot and a conveyor line. The fifth handling robot is used to move the finished parts from the third welding station to the fourth welding station, and to move the finished parts from the fourth welding station to the conveyor line. The conveyor line is used to transport materials to the CNC machining station. The CNC machining station is equipped with a sixth handling robot. The sixth handling robot is used to move the materials on the conveyor line to the fully automatic CNC equipment. The packing station is equipped with a seventh handling robot and a placement box. The seventh handling robot is used to move the CNC machined finished parts into the placement box.

[0009] Furthermore, the first cooling station is equipped with three first transfer stations, and each of the first transfer stations is equipped with a cooling blower.

[0010] Furthermore, the second cooling station is equipped with a second transfer platform, and a cooling blower is installed on the second transfer platform.

[0011] Furthermore, the conveyor line is an accumulation conveyor line, which is capable of conveying or placing materials.

[0012] Furthermore, each of the first, second, third, and fourth welding stations is equipped with a three-axis positioner, clamping tools, and multiple welding robots. The three-axis positioner includes a horizontal central axis and two working axes parallel to the central axis. The front side of the three-axis positioner is the preparation side, and the rear side of the three-axis positioner is the welding side. The multiple welding robots are all located on the welding side. The two working axes are symmetrically arranged on both sides of the central axis and rotate around the axial direction of the central axis, so that the working axes can rotate from the preparation side to the welding side, or from the welding side to the preparation side.

[0013] This application also proposes a torsion beam manufacturing process, applied to an automated torsion beam production line as described in any of the above claims, comprising the following process steps:

[0014] S1: The first handling robot grabs the crossbeam, torsion bar, lower reinforcing plate of the left crossbeam, lower reinforcing plate of the right crossbeam, and nut on the material conveyor belt and moves them to the fixture on the preparatory side of the three-axis positioner at the first welding station. The three-axis positioner rotates, and the welding robot welds the workpiece on the fixture to obtain the first finished part.

[0015] S2: The second handling robot picks up the cooled first finished part and moves it to the fixture on the welding side of the three-axis positioner. The first handling robot picks up the left mounting plate and the right mounting plate and welds them to the first finished part to obtain the second finished part.

[0016] S3: The second handling robot places the second finished part on the transfer platform for cooling. The third handling robot moves the second finished part to the three-axis positioner at the second welding station. The fourth handling robot moves the upper reinforcing plates on the left and right crossbeams in the material box to the preparatory side of the three-axis positioner. The three-axis positioner rotates, and the second finished part is welded with the upper reinforcing plates on the left and right crossbeams to form the third finished part.

[0017] S4: The three-axis positioner rotates again, and the third handling robot moves the third finished part to the welding side of the three-axis positioner at the second welding station. The fourth handling robot grabs the left and right torsion beam drag arms from the material box, moves them to the third finished part, and the welding robot welds them to obtain the fourth finished part.

[0018] S5: The third handling robot moves the fourth finished part to the preparatory side of the three-axis positioner at the third welding station. The fourth handling robot grabs the left elastic hinge mounting sleeve, the right elastic hinge mounting sleeve, the left rear spring mounting bracket, and the right rear spring mounting bracket from the material box and places them into the preparatory side of the three-axis positioner at the third welding station. The three-axis positioner rotates, and the welding robot welds to obtain the fifth finished part.

[0019] S6: The fifth handling robot takes out the fifth finished part and puts it into the preparatory side of the three-axis positioner at the third welding station. The fourth handling robot grabs the left mounting bracket of the shock absorber, the right mounting bracket of the shock absorber, the side reinforcing plate of the crossbeam, and the thrust rod bracket from the material box and puts them into the preparatory side of the three-axis positioner at the third welding station. The three-axis positioner rotates and the welding robot welds to obtain the sixth finished part.

[0020] S7: The fifth handling robot places the sixth finished part into the pre-positioning side of the three-axis positioner at the fourth welding station. The fourth handling robot picks up the left and right small brackets from the material box and places them into the pre-positioning side of the three-axis positioner at the fourth welding station. The three-axis positioner rotates, and the welding robot welds them to obtain the seventh finished part.

[0021] S8: The fifth handling robot places the seventh finished part into the accumulation conveyor line, and the sixth handling robot moves the seventh finished part on the conveyor line to the fully automatic CNC equipment to process the two end faces to obtain the torsion beam product.

[0022] S9: The seventh handling robot places the torsion beam product into the finished product box.

[0023] Furthermore, after each step of S1-S8 is completed, a cooling blower is provided to cool the completed part.

[0024] Implementing the embodiments of the present invention will have the following beneficial effects:

[0025] After adopting the above-mentioned automated production line and torsion beam manufacturing process, fully automated production can be achieved. By using robots for loading, handling, welding and unloading, production efficiency is improved, production cycle is optimized and production costs are reduced. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] in:

[0028] Figure 1 This is a schematic diagram of the isometric layout of an embodiment of the automated production line for torsion beams according to the present invention.

[0029] Figure 2 This is a schematic diagram of the welding station in one embodiment of the automated production line for torsion beams according to this invention.

[0030] Figure 3This is a schematic diagram of the second cooling station in an embodiment of the torsion beam automated production line of this invention.

[0031] Figure 4 This is a schematic diagram of the first cooling station in an embodiment of the torsion beam automated production line of this invention.

[0032] Figure 5 This is a schematic diagram of the structure of the first fixture in an embodiment of the torsion beam automated production line of this invention.

[0033] Figure 6 This is a schematic diagram of the structure for clamping and welding the lower reinforcing plate of the left crossbeam, as an embodiment of the automated production process for torsion beams according to this invention.

[0034] Figure 7 This is a schematic diagram of the structure of another angle of clamping and welding the lower reinforcing plate of the left crossbeam, as an embodiment of the automated production process of the torsion beam of this invention.

[0035] Figure 8 This is a schematic diagram of the structure for clamping and welding torsion bars, representing an embodiment of the automated production process for torsion beams according to this invention.

[0036] Figure 9 This is a schematic diagram of the structure of a clamping and welding crossbeam, representing an embodiment of the automated production process for torsion beams according to this invention.

[0037] Figure 10 This is a schematic diagram of S1-S4 of an embodiment of the automated production process for torsion beams according to the present invention.

[0038] Figure 11 This is a schematic diagram of the structure of an embodiment S5-S7 of the automated production process for torsion beams according to the present invention.

[0039] Figure 12 This is an exploded structural diagram of a torsion beam produced by the automated production process of the torsion beam disclosed in this invention.

[0040] Figure label:

[0041] 1. First loading station; 11. First handling robot; 12. First material bin;

[0042] 2. First welding station; 21. First fixture; 2111. First support block; 2112. Second support block; 2113. First positioning pin; 2114. Pin cylinder; 2115. First clamping assembly; 2121. V-shaped support block; 2122. Left limit block; 2123. Right limit block; 2124. Second clamping assembly; 2125. Third clamping assembly; 2131. Fourth clamping assembly; 2132. Fifth clamping assembly; 2133. Sixth clamping assembly; 2134. Seventh clamping assembly; 2135. Second positioning pin; 2136. Third positioning pin; 2141. Third support block; 2142. Fourth positioning pin; 215. Proximity sensor;

[0043] 22. Second fixture; 23. Three-axis positioner; 24. Welding robot;

[0044] 3. First cooling station; 31. First transfer station; 32. Cooling blower; 33. Second handling robot; 34. Third handling robot;

[0045] 41. Second welding station; 42. Third welding station; 43. Fourth welding station;

[0046] 5. Second loading station; 51. Fourth handling robot; 52. Second material bin;

[0047] 6. Second cooling station; 61. Fifth handling robot; 62. Accumulation conveyor line; 63. Second transfer station;

[0048] 7. CNC machining station; 71. Fully automatic CNC equipment; 72. Sixth handling robot;

[0049] 8. Packing station; 81. Seventh handling robot; 82. Box placement;

[0050] 101. Crossbeam; 1011. Third opening; 1012. Fourth opening; 102. Torsion bar; 103. Lower reinforcing plate of left crossbeam; 1031. First opening; 1032. Second opening; 104. Lower reinforcing plate of right crossbeam; 105. Nut; 201. Left mounting plate; 202. Right mounting plate; 301. Upper reinforcing plate of left crossbeam; 302. Upper reinforcing plate of right crossbeam; 401. Left drag arm of torsion beam; 402. Right drag arm of torsion beam; 501. Left elastic hinge mounting sleeve; 502. Right elastic hinge mounting sleeve; 503. Left mounting bracket of rear spring; 504. Right mounting bracket of rear spring; 601. Left mounting bracket of shock absorber; 602. Right mounting bracket of shock absorber; 603. Side reinforcing plate of crossbeam; 604. Thrust rod bracket; 701. Small bracket on the left side; 702. Small bracket on the right side. Detailed Implementation

[0051] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application, are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0052] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0053] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

[0054] Reference Figures 1 to 4 This application proposes an automated production line for torsion beams, including a first loading station 1, a second loading station 5, a first welding station 2, a second welding station 41, a third welding station 42, a fourth welding station 43, a first cooling station 3, a second cooling station 6, a CNC machining station 7, and a packing station 8.

[0055] The first loading station 1 is provided with a first welding station 2 and a second welding station 41 on its two adjacent sides. The first cooling station 3 is located between the first welding station 2 and the second welding station 41. The second loading station 5 is provided on the other side of the second welding station 41. The third welding station 42 and the fourth welding station 43 are provided on the two adjacent sides of the second loading station 5. The second cooling station 6 is located between the third welding station 42 and the fourth welding station 43. The CNC machining station 7 is provided on the other side of the second cooling station 6. The packing station 8 is provided on the other side of the CNC machining station 7.

[0056] The production line is structured as a 5x2 cuboid, with five workstations along its length and two workstations along its width. This design saves space and facilitates the operation of the material handling robots, which can move a short distance to transfer materials to the required location, saving time and improving production efficiency.

[0057] The first loading station 1 is equipped with a first handling robot 11 and a first material box 12. The first handling robot 11 is used to move the material in the first material box 12 to the first welding station 2. The first welding station 2, the second welding station 41, the third welding station 42, and the fourth welding station 43 are all equipped with fixtures and welding robots. The welding robots are used to weld the material fixed by the fixtures. The first cooling station 3 and the second cooling station 6 are both equipped with cooling blowers. The cooling blowers are used to cool the welded material. The CNC machining station 7 is equipped with a fully automatic CNC machine 71. The fully automatic CNC machine 71 is used to perform CNC machining on the material.

[0058] The first cooling station 3 is also equipped with a second transport robot 33 and a third transport robot 34. The second transport robot 33 is used for temporary storage of finished parts from the first welding station 2 and for moving finished parts from the first welding station 2 to the first cooling station 3. The third transport robot 34 is used for temporary storage of finished parts from the second welding station 41, for moving finished parts from the first cooling station 3 to the second welding station 41, and for moving finished parts from the second welding station 41 to the third welding station 42. The second loading station 5 is equipped with a fourth transport robot 51 and a second material box 52. The fourth transport robot 51 is used to move materials from the second material box 52 to the first loading station 3. The second welding station 41 and the second cooling station 6 are equipped with a fifth handling robot 61 and a conveyor line. The fifth handling robot 61 is used to move the finished parts from the third welding station 42 to the fourth welding station 43, and to move the finished parts from the fourth welding station 43 to the conveyor line. The conveyor line is used to transport the materials to the CNC machining station 7. The CNC machining station 7 is equipped with a sixth handling robot 72. The sixth handling robot 72 is used to move the materials on the conveyor line to the fully automatic CNC equipment 71. The packing station 8 is equipped with a seventh handling robot 81 and a placement box 82. The seventh handling robot 81 is used to move the CNC machined finished parts into the placement box 82.

[0059] Except for the first handling robot 11 and the fourth handling robot 51, which are located on one side of the material box, the other handling robots mentioned above are all positioned at the intersection of multiple workstations. This allows for convenient movement of materials between these workstations. Multiple handling robots are used to complete handling and loading tasks. They can be programmed to perform various expected tasks, demonstrating artificial intelligence and adaptability in their structure and performance. This significantly reduces the heavy physical labor of workers and optimizes the process flow. The handling robots connect numerous processes as needed, making the process design more rational. They also prevent workpiece damage caused by improper human operation or negligence, avoiding losses to the company due to errors. Furthermore, the handling grippers are double-sided, saving space and optimizing the gripping process.

[0060] Furthermore, the first cooling station 3 is equipped with three first transfer platforms 31, each equipped with a cooling blower 32. The three first transfer platforms 31 are distributed at the three ends of the T-shaped platform. These platforms allow for changes in workpiece orientation and temporary material storage, enabling multiple welding and handling steps to be adapted to each other, optimizing production cycle time, improving production efficiency, and reducing material handling volume and time while meeting production requirements, thus saving space. The equipped cooling blowers 32 accelerate material cooling and reduce waiting time.

[0061] Furthermore, the second cooling station 6 is provided with a second transfer platform 63, and a cooling blower is provided on the second transfer platform 63.

[0062] Furthermore, the conveyor line is an accumulation conveyor line 62, which can convey or place materials, solving the problem of inter-process transfer in the production line. It has the characteristics of a general conveyor, as well as the characteristics of an accumulation conveyor, that is, it can convey workpieces and temporarily store workpieces on the conveyor line, which can effectively improve the production efficiency of the production line.

[0063] Furthermore, each of the first welding station 2, the second welding station 41, the third welding station 42, and the fourth welding station 43 is equipped with a three-axis positioner 23, clamping tools, and multiple welding robots. The three-axis positioner 23 includes a horizontal central axis and two working axes parallel to the central axis. The front side of the three-axis positioner 23 is the preparation side, and the rear side of the three-axis positioner 23 is the welding side. Multiple welding robots are located on the welding side. The two working axes are symmetrically arranged on both sides of the central axis and rotate around the central axis, so that the working axes can rotate from the preparation side to the welding side, or from the welding side to the preparation side.

[0064] Specifically, multiple sets of processed parts exist on the production line at the same time. The products pass through the first loading station 1, the first welding station 2, the first cooling station 3, the second welding station 41, the first cooling station 3, the second loading station 5, the third welding station 42, the second cooling station 6, the fourth welding station 43, the second cooling station 6, the CNC machining station 7, and the packing station 8 in sequence.

[0065] For the first welding station 2, the first fixture 21 is located on the preparation side, and the second fixture 22 is located on the welding side. After the first handling robot 11 loads the first sequence material of the second group onto the first fixture 21, the first fixture 21 clamps. The three-axis positioner 23 rotates, the first fixture 21 moves to the welding side, and the second fixture 22 moves to the preparation side. At this time, the two welding robots 24 weld the workpiece on the first fixture 21. The first finished part of the first group is clamped on the second fixture 22. At the same time, the first handling robot 11 loads the second sequence material of the first group onto the second fixture 22. After the material on the first fixture 21 is welded, the second fixture 22 is also loaded. The three-axis positioner 23 rotates again, the first fixture 21 opens, and the second handling robot 33 grabs the welded first finished part and moves it to a first transfer platform 31 of the first cooling station 3. The cooling blower 32 equipped on the first transfer platform 31 cools the first finished part. The parts are cooled, and at the same time, the first handling robot 11 loads the first sequence material of the third group onto the first clamp 21. At this time, the second clamp 22 is located on the welding side, and welding is completed at the same time as the first handling robot 11 loads the material. The three-axis positioner 23 rotates again, the second clamp 22 opens, and the second handling robot 33 picks up the second sequence finished part and moves it to the first transfer platform 31 of the first cooling station 3. The cooling blower 32 equipped on the first transfer platform 31 cools the second finished part. At this time, the second handling robot 33 places the first sequence finished part of the second group onto the second clamp 22, and the first handling robot 11 loads the second sequence material of the second group onto the second clamp 22. This cycle is repeated in the first welding station 2 to form the second finished part, which is then transported to the next welding station for welding. The processes of the second welding station 41, the third welding station 42, and the fourth welding station 43 are the same as the above process, and will not be described again here.

[0066] Reference Figures 5 to 12 This application also proposes a torsion beam manufacturing process, applicable to an automated torsion beam production line according to any of the above claims, comprising the following process steps:

[0067] S1: The first handling robot 11 grabs the crossbeam 101, torsion bar 102, left crossbeam lower reinforcing plate 103, right crossbeam lower reinforcing plate 104, and nut 105 on the material conveyor belt and moves them to the fixture on the preparatory side of the three-axis positioner 23 of the first welding station 2 for fixation. The three-axis positioner 23 rotates, and the welding robot 24 welds the workpiece on the fixture to obtain the first finished part.

[0068] S2: The second handling robot 33 picks up the cooled first finished part and moves it to the fixture on the welding side of the three-axis positioner 23. The first handling robot 11 picks up the left mounting plate 201 and the right mounting plate 202 and welds them to the first finished part to obtain the second finished part.

[0069] S3: The second handling robot 33 places the second finished part on the transfer platform for cooling. The third handling robot 34 moves the second finished part to the three-axis positioner of the second welding station 41. The fourth handling robot 51 moves the left crossbeam upper reinforcing plate 301 and the right crossbeam upper reinforcing plate 302 in the material box to the preparation side of the three-axis positioner. The three-axis positioner rotates, and the second finished part is welded with the left crossbeam upper reinforcing plate 301 and the right crossbeam upper reinforcing plate 302 to form the third finished part.

[0070] S4: The three-axis positioner rotates again, and the third handling robot 34 moves the third finished part to the welding side of the three-axis positioner at the second welding station 41. The fourth handling robot 51 grabs the left torsion beam drag arm 401 and the right torsion beam drag arm 402 from the material box, moves them to the third finished part, and the welding robot welds them to obtain the fourth finished part.

[0071] S5: The third handling robot 34 moves the fourth finished part to the preparatory side of the three-axis positioner of the third welding station 42. The fourth handling robot 51 grabs the left elastic hinge mounting sleeve 501, the right elastic hinge mounting sleeve 502, the rear spring left mounting bracket 503 and the rear spring right mounting bracket 504 from the material box and puts them into the preparatory side of the three-axis positioner of the third welding station 42. The three-axis positioner rotates and the welding robot welds to obtain the fifth finished part.

[0072] S6: The fifth handling robot 61 takes out the fifth finished part and places it on the preparatory side of the three-axis positioner at the third welding station 42. The fourth handling robot 51 grabs the shock absorber left mounting bracket 601, shock absorber right mounting bracket 602, crossbeam side reinforcing plate 603, and thrust rod bracket 604 from the material box and places them on the preparatory side of the three-axis positioner at the third welding station 42. The three-axis positioner rotates and the welding robot welds to obtain the sixth finished part.

[0073] S7: The fifth handling robot 61 places the sixth finished part into the preparatory side of the three-axis positioner at the fourth welding station 43. The fourth handling robot 51 picks up the left small bracket 701 and the right small bracket 702 from the material box and places them into the preparatory side of the three-axis positioner at the fourth welding station 43. The three-axis positioner rotates, and the welding robot welds to obtain the seventh finished part.

[0074] S8: The fifth handling robot 61 places the seventh finished part into the accumulation conveyor line, and the sixth handling robot 72 moves the seventh finished part on the conveyor line to the fully automatic CNC equipment 71 to process the two end faces to obtain the torsion beam product.

[0075] S9: The seventh handling robot 81 places the torsion beam product into the finished product box.

[0076] Furthermore, after each step S1-S8 is completed, a cooling blower is provided to cool the completed part.

[0077] In the above welding steps, the handling robot selects the object to be grasped through the vision guidance system and moves it to the designated position. The fixture is equipped with multiple clamping points and positioning pins to restrict the movement of the parts. It is also equipped with a proximity sensor 215, which can determine whether the parts are installed in place. When the installation position of the parts is offset, the proximity sensor 215 transmits a signal to the handling robot, and the handling robot automatically adjusts the angle and position to ensure that the parts are installed accurately.

[0078] Taking S1 as an example, such as Figures 5 to 9 As shown, the handling robot places the lower reinforcing plate 103 of the left crossbeam on the first clamp 21. The first clamp 21 is provided with a first support block 2111 and a second support block 2112. Both the first support block 2111 and the second support block 2112 are located below the lower reinforcing plate 103 of the left crossbeam, performing preliminary positioning of the lower reinforcing plate 103. The lower reinforcing plate 103 of the left crossbeam is provided with a first opening 1031 and a second opening 1032. The first opening 1031 is inserted into the first positioning pin 2113 on the first clamp 21, and the second opening 1032 is inserted into the first positioning pin 2113 on the first clamp 21. 2. It is inserted into the pin cylinder 2114 on the first clamp 21. The first clamp 21 is also provided with a first clamping assembly 2115. The first clamping assembly 2115 can clamp one end of the lower reinforcing plate 103 of the left crossbeam and restrict its vertical movement. The first positioning pin 2113 and the pin cylinder 2114 restrict its horizontal movement. The proximity sensor 215 is located below the lower reinforcing plate 103 of the left crossbeam to detect whether the part is installed in place and to feed the information back to the handling robot. The positioning of the lower reinforcing plate 104 of the right crossbeam is consistent with that of the lower reinforcing plate 103 of the left crossbeam.

[0079] After the reinforcing plates under the left and right crossbeams are fixed in position, the handling robot grabs the torsion bar 102. The first clamp 21 is provided with two V-shaped support blocks 2121. The two V-shaped support blocks 2121 are located in the middle of the torsion bar 102. There is a certain distance between the two V-shaped support blocks 2121, which can clamp the torsion bar 102 and prevent it from moving back and forth. The torsion bar 102 is a hollow structure. Its two ends are respectively inserted into the torsion bar 102 by the left limiting block 2122 and the right limiting block 2123. The two ends of the torsion bar 102 are also limited by the second clamping component 2124 and the third clamping component 2125, respectively. The left and right limiting blocks can prevent the torsion bar 102 from moving left and right.

[0080] After fixing the position of the torsion bar 102, the handling robot grabs the crossbeam 101. The crossbeam 101 has an inverted U-shaped structure and can be fitted onto the torsion bar 102. The first clamp 21 is provided with a fourth clamping component 2131 and a fifth clamping component 2132 above the crossbeam 101. The fourth clamping component 2131 and the fifth clamping component 2132 are spaced apart. The first clamp 21 is also provided with a sixth clamping component 2133 and a seventh clamping component 2134 at the left and right ends of the crossbeam 101, respectively. The four clamping components restrict the up and down movement of the crossbeam 101. The upper side wall of the crossbeam 101 is also provided with a third opening 1011 and a fourth opening 1012. The third opening 1011 is inserted into the second positioning pin 2135 on the first clamp 21, and the fourth opening 1012 is inserted into the third positioning pin 2136 on the first clamp 21, in order to restrict the forward, backward and left and right movement of the crossbeam 101.

[0081] The first clamp 21 is also equipped with a nut positioning assembly. The nut positioning assembly has a third support block 2141 and a fourth positioning pin 2142 at the top. The third support block 2141 is used to support the nut 105, and the fourth positioning pin 2142 is used to fix the position of the nut 105. During the process of fixing each part, the proximity sensor 215 detects whether the installation position of the part is correct. After all parts are correctly fixed, the first clamp 21 rotates and the two welding robots 24 on the welding side perform welding.

[0082] The entire positioning, clamping, and welding process described above is completed by robots, which saves labor costs, improves production efficiency, and prevents unnecessary losses caused by human error.

[0083] Obviously, the embodiments described above are only some embodiments of this application, not all embodiments. The accompanying drawings show preferred embodiments of this application, but do not limit the patent scope of this application. This application can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this application's specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the scope of patent protection of this application.

Claims

1. A torsion beam automated production line, characterized by, The first feeding station, the second feeding station, the first welding station, the second welding station, the third welding station, the fourth welding station, the first cooling station, the second cooling station, the numerical control processing station and the boxing station are arranged in sequence. The first feeding station is adjacent to the first welding station and the second welding station, the first cooling station is arranged between the first welding station and the second welding station, the second welding station is adjacent to the second feeding station, the second feeding station is adjacent to the third welding station and the fourth welding station, the second cooling station is arranged between the third welding station and the fourth welding station, the second cooling station is adjacent to the numerical control processing station, and the numerical control processing station is adjacent to the boxing station. The first feeding station is provided with a first carrying robot and a first material box, the first carrying robot is used for moving the material in the first material box to the first welding station, the first welding station, the second welding station, the third welding station and the fourth welding station are each provided with a clamp and a welding robot, the welding robot is used for welding the material fixed by the clamp, the first cooling station and the second cooling station are each provided with a cooling blower, the cooling blower is used for cooling the welded material, and the numerical control processing station is provided with a full-automatic numerical control device, the full-automatic numerical control device is used for numerical control processing of the material. The first cooling station is also provided with a second carrying robot and a third carrying robot, the second carrying robot is used for temporary storage of the completed product of the first welding station and moving the completed product of the first welding station to the first cooling station, the third carrying robot is used for temporary storage of the completed product of the second welding station, moving the completed product of the first cooling station to the second welding station, and moving the completed product of the second welding station to the third welding station, the second feeding station is provided with a fourth carrying robot and a second material box, the fourth carrying robot is used for moving the material in the second material box to the second welding station, the second cooling station is provided with a fifth carrying robot and a conveying line, the fifth carrying robot is used for moving the completed product of the third welding station to the fourth welding station and moving the completed product of the fourth welding station to the conveying line, the conveying line is used for conveying the material to the numerical control processing station, the numerical control processing station is provided with a sixth carrying robot, the sixth carrying robot is used for moving the material on the conveying line to the full-automatic numerical control device, and the boxing station is provided with a seventh carrying robot and a placing box, the seventh carrying robot is used for moving the completed product of the numerical control processing to the placing box.

2. The torsion beam automated production line of claim 1, wherein, The first cooling station is provided with three first transfer platforms, and each first transfer platform is provided with a cooling blower.

3. The torsion beam automated production line of claim 1, wherein, The second cooling station is provided with a second transfer platform, and the second transfer platform is provided with a cooling blower.

4. The torsion beam automated production line of claim 1, wherein, The conveying line is a stacker conveyor line capable of conveying or placing materials.

5. The torsion beam automated production line of claim 1, wherein, The first welding station, the second welding station, the third welding station and the fourth welding station are each provided with a three-axis positioner, a clamping tool and a plurality of welding robots, the three-axis positioner comprises a horizontal transfer shaft and two working shafts parallel to the transfer shaft, the front side of the three-axis positioner is a preparation side, the rear side of the three-axis positioner is a welding side, the plurality of welding robots are located on the welding side, and the two working shafts are symmetrically arranged on both sides of the transfer shaft and rotate around the axial direction of the transfer shaft, so that the working shafts can be rotated from the preparation side to the welding side or from the welding side to the preparation side.

6. A process for producing a torsion beam, characterized by, The application is applied to the torsion beam automatic production line of any one of claims 1-5, and comprises the following process steps: S1: the first carrying robot grabs the cross beam, the torsion bar, the left cross beam lower reinforcing plate, the right cross beam lower reinforcing plate and the nut on the material conveying belt and fixes them on the clamp on the preparation side of the three-axis positioner of the first welding station, the three-axis positioner rotates, and the welding robot welds the workpiece on the clamp to obtain a first completed piece; S2: the second carrying robot grabs the cooled first completed piece and moves it to the clamp on the welding side of the three-axis positioner, the first carrying robot clamps the left mounting plate and the right mounting plate, and welds them to the first completed piece to obtain a second completed piece; S3: the second carrying robot places the second completed piece on the transfer station for cooling, the third carrying robot moves the second completed piece to the three-axis positioner of the second welding station, the fourth carrying robot moves the left cross beam upper reinforcing plate and the right cross beam upper reinforcing plate in the material frame to the preparation side of the three-axis positioner, the three-axis positioner rotates, and the second completed piece is welded with the left cross beam upper reinforcing plate and the right cross beam upper reinforcing plate to form a third completed piece; S4: the three-axis positioner rotates again, the third carrying robot moves the third completed piece to the welding side of the three-axis positioner of the second welding station, the fourth carrying robot grabs the torsion beam left pull arm and the torsion beam right pull arm from the material frame and moves them to the third completed piece, and the welding robot welds to obtain a fourth completed piece; S5: the third carrying robot moves the fourth completed piece to the preparation side of the three-axis positioner of the third welding station, the fourth carrying robot grabs the left elastic hinged mounting sleeve, the right elastic hinged mounting sleeve, the rear spring left mounting bracket and the rear spring right mounting bracket from the material frame and puts them into the preparation side of the three-axis positioner of the third welding station, the three-axis positioner rotates, and the welding robot welds to obtain a fifth completed piece; S6: the fifth carrying robot takes out the fifth completed piece and puts it into the preparation side of the three-axis positioner of the third welding station, the fourth carrying robot grabs the shock absorber left mounting bracket, the shock absorber right mounting bracket, the cross beam side reinforcing plate and the thrust rod bracket from the material frame and puts them into the preparation side of the three-axis positioner of the third welding station, the three-axis positioner rotates, and the welding robot welds to obtain a sixth completed piece; S7: The fifth carrying robot puts the sixth finished piece into the preparatory side of the three-axis positioner of the fourth welding station, the fourth carrying robot picks up the left small support and the right small support from the material frame and puts them into the preparatory side of the three-axis positioner of the fourth welding station, the three-axis positioner rotates, the welding robot welds, and the seventh finished piece is obtained S8: The fifth carrying robot puts the seventh finished piece into the accumulation type placing and conveying line, the sixth carrying robot moves the seventh finished piece on the conveying line to the full-automatic numerical control equipment, processes the two side end faces, and obtains the torsion beam product S9: The seventh carrying robot puts the torsion beam product into the finished product box.

7. The torsion beam production process of claim 6, wherein, After each step of S1-S8, a cooling blower is arranged to cool the finished piece of the step.

Images