CN116475771A - Torsion beam automatic production line and torsion beam production process - Google Patents

Abstract

The embodiment of the invention discloses a torsion beam automatic production line and a torsion beam production process, wherein the torsion beam automatic production line is a combination of a plurality of stations, the two adjacent sides of a first feeding station are respectively provided with a first welding station and a second welding station, a first cooling station is arranged between the first welding station and the second welding station, the other side of the second welding station is provided with the second feeding station, the two adjacent sides of the second feeding station are respectively provided with a third welding station and a fourth welding station, a second cooling station is positioned between the third welding station and the fourth welding station, the other side of the second cooling station is provided with a numerical control processing station, and the other side of the numerical control processing station is provided with a boxing station. According to the invention, the production flow is finished by arranging a plurality of robots, so that the labor cost is saved, the production beat is optimized, and the production efficiency is improved.

Description

Torsion beam automatic production line and torsion beam production process

Technical Field

The invention relates to the technical field of automatic production, in particular to a torsion beam automatic production line and a torsion beam production process.

Background

The torsion beam is connected to the wheels on two sides, has toughness, allows a certain degree of torsion, can reduce the motion interference of the left and right wheels, and plays a role in balancing the up-and-down runout of the left and right wheels.

The existing automobile torsion beam production line mainly comprises a semi-automatic production line, and even if a welding robot and a machine detection structure are arranged, the production flow is still required to be controlled manually, so that feeding, discharging and adjustment of each station device are greatly dependent on execution of technicians, in a man-machine interaction operation mode, the robot waits when in operation of people, and instability of personnel operation is caused, a large amount of manpower and material resources are consumed, the control of production beats is not facilitated, the whole operation flow is low in automation degree, the semi-automatic production efficiency is lower along with higher and higher labor cost, and the production cost is higher.

Disclosure of Invention

In view of the above, the invention provides an automatic torsion beam production line and torsion beam production process, which are used for solving the problems of semi-automation, low production efficiency and high production cost of the production line in the prior art.

The application provides an automatic torsion beam production line, which comprises a first feeding station, a second feeding 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 numerical control machining station and a boxing station;

the two adjacent sides of the first feeding station are respectively provided with 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 other side of the second welding station is provided with the second feeding station, the two adjacent sides of the second feeding station are respectively provided with the third welding station and the fourth welding station, the second cooling station is positioned between the third welding station and the fourth welding station, the other side of the second cooling station is provided with the numerical control processing station, and the other side of the numerical control processing station is provided with the boxing station;

a first transfer robot and a first material box are arranged in the first feeding station, the first transfer robot is used for moving materials in the first material box to the first welding station, a clamp and a welding robot are arranged in each of the first welding station, the second welding station, the third welding station and the fourth welding station, and the welding robot is used for welding the materials fixed by the clamp; the first cooling station and the second cooling station are internally provided with cooling blowers, the cooling blowers are used for cooling welded materials, the numerical control processing station is internally provided with full-automatic numerical control equipment, and the full-automatic numerical control equipment is used for carrying out numerical control processing on the materials;

the numerical control automatic welding machine comprises a first cooling station, a second welding station, a third cooling station, a fourth transfer robot and a second material box, wherein the second transfer robot and the third transfer robot are arranged in the first cooling station, the second transfer robot is used for temporarily storing the finished piece of the first welding station and moving the finished piece of the first cooling station to the second welding station and moving the finished piece of the second welding station to the third welding station, the second material loading station is provided with the fourth transfer robot and the second material box, the fourth transfer robot is used for moving the material in the second material box to the second welding station, a fifth transfer robot and a conveying line are arranged in the second cooling station, the fifth transfer robot is used for moving the finished piece of the third welding station to the fourth welding station and moving the finished piece of the fourth welding station to the conveying line, the numerical control robot is used for moving the material to the seventh material box, and the numerical control robot is used for placing the numerical control automatic welding machine tool in the seventh material box.

Further, three first middle transfer tables are arranged in the first cooling station, and each first transfer table is provided with a cooling blower.

Further, the second cooling station is provided with a second middle transposition table, and a cooling blower is arranged on the second middle transposition table.

Further, the conveying line is a power and free type conveying line, and the power and free type conveying line can convey or place materials.

Further, the first welding station, the second welding station, the third welding station and the fourth welding station are respectively provided with a triaxial positioner, a clamping tool and a plurality of welding robots, the triaxial positioner comprises a horizontal middle rotating shaft and two working shafts parallel to the middle rotating shaft, the front side of the triaxial positioner is a preparation side, the rear side of the triaxial positioner is a welding side, a plurality of the welding robots are positioned on the welding side, and the two working shafts are symmetrically arranged on two sides of the middle rotating shaft and axially rotate around the middle rotating shaft, so that the working shafts can rotate from the preparation side to the welding side or from the welding side to the preparation side.

The application also provides a torsion beam production process which is applied to the torsion beam automatic production line, and comprises the following process steps:

s1: the first transfer robot is used for fixing a beam, a torsion bar, a left beam lower reinforcing plate, a right beam lower reinforcing plate and nuts on a material conveying belt on a clamp on the preparation side of a triaxial positioner of a first welding station, the triaxial positioner rotates, and a welding robot is used for welding workpieces on the clamp to obtain a first finished piece;

s2: the second transfer robot grabs the cooled first finished piece and moves the cooled first finished piece to a clamp on the welding side of the triaxial positioner, and the first transfer robot grabs the left mounting plate and the right mounting plate and welds the left mounting plate and the right mounting plate to the first finished piece to obtain a second finished piece;

s3: the second transfer robot is used for placing the second finished piece on a transfer table for cooling, the third transfer robot is used for moving the second finished piece to a triaxial positioner of a second welding station, the fourth transfer robot is used for moving a left beam upper reinforcing plate and a right beam upper reinforcing plate in a material frame to the preparation side of the triaxial positioner, the triaxial positioner is rotated, and the second finished piece is welded with the left beam upper reinforcing plate and the right beam upper reinforcing plate to form a third finished piece;

s4: the three-axis positioner rotates again, the third transfer robot moves the third finished piece to the welding side of the three-axis positioner of the second welding station, the fourth transfer robot grabs the left drag arm of the torsion beam and the right drag arm of the torsion beam from the material frame, moves to the third finished piece, and the welding robot welds the third finished piece to obtain a fourth finished piece;

s5: the third transfer robot moves the fourth finished piece to the preparation side of the triaxial positioner of the third welding station, the fourth transfer 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, the fourth transfer robot is placed in the preparation side of the triaxial positioner of the third welding station, the triaxial positioner rotates, and the welding robot welds the third finished piece to obtain a fifth finished piece;

s6: the fifth transfer robot takes out the fifth finished piece, puts the fifth finished piece into the preparation side of the triaxial positioner of the third welding station, the fourth transfer robot grabs the left shock absorber mounting bracket, the right shock absorber mounting bracket, the beam side reinforcing plate and the thrust rod bracket from the material frame, puts the fifth finished piece into the preparation side of the triaxial positioner of the third welding station, rotates the triaxial positioner and welds the welding robot to obtain a sixth finished piece;

s7: the fifth transfer robot places the sixth finished part on the preparation side of the triaxial positioner of the fourth welding station, the fourth transfer robot grabs the left small bracket and the right small bracket from the material frame, places the left small bracket and the right small bracket on the preparation side of the triaxial positioner of the fourth welding station, the triaxial positioner rotates, and the welding robot welds the sixth finished part to obtain a seventh finished part

S8: the seventh finished piece is placed on the stacking conveying line by the fifth conveying robot, the seventh finished piece on the conveying line is moved to full-automatic numerical control equipment by the sixth conveying robot, and the end faces of the two sides are processed to obtain torsion Liang Chanpin;

s9: and the seventh carrying robot puts the torsion beam product into a finished product box.

Further, after each step S1-S8 is finished, a cooling blower is provided to cool the finished product of the step.

The implementation of the embodiment of the invention has the following beneficial effects:

after the torsion beam automatic production line and the torsion beam production process are adopted, full-automatic production can be realized, and the production efficiency is improved, the production beat is optimized, and the production cost is reduced through robot feeding, carrying, welding and discharging.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Wherein:

FIG. 1 is a schematic illustration of an isometric layout of one embodiment of an automated torsion beam manufacturing line in accordance with the present invention;

FIG. 2 is a schematic view of a welding station of one embodiment of the automated torsion beam manufacturing line of the present application;

FIG. 3 is a schematic view of a second cooling station of one embodiment of the automated torsion beam manufacturing line according to the present invention;

FIG. 4 is a schematic view of a first cooling station of one embodiment of the automated torsion beam manufacturing line according to the present invention;

FIG. 5 is a schematic view of a first clamp of an embodiment of the automated torsion beam manufacturing line according to the present invention;

FIG. 6 is a schematic view of a structure of a left cross member lower reinforcement plate clamped and welded by an embodiment of the automated torsion beam manufacturing process of the present invention;

FIG. 7 is a schematic view of another angle of clamping and welding the lower reinforcing plate of the left cross beam in accordance with one embodiment of the automated torsion beam manufacturing process of the present invention;

FIG. 8 is a schematic view showing a structure of a clamping and welding torsion bar according to an embodiment of the automated torsion beam production process of the present invention;

FIG. 9 is a schematic view of a structure of a clamping welding beam according to one embodiment of the automated torsion beam manufacturing process of the present invention;

FIG. 10 is a schematic view of an embodiment S1-S4 of the automated torsion beam manufacturing process according to the present invention;

FIG. 11 is a schematic view showing the structure of an embodiment S5-S7 of the automated torsion beam manufacturing process according to the present invention

Fig. 12 is a schematic view of an exploded structure of a torsion beam produced by the automated torsion beam manufacturing process according to the present invention.

Reference numerals:

1. a first feeding station; 11. a first transfer robot; 12. a first material tank;

2. a first welding station; 21. a first clamp; 2111. a first support block; 2112. a second support block; 2113. a first positioning pin; 2114. a pin cylinder; 2115. a first clamping assembly; 2121. v-shaped supporting blocks; 2122. a left limiting block; 2123. a right limiting block; 2124. a second clamping assembly; 2125. a third clamping assembly; 2131. a fourth clamping assembly; 2132. a fifth clamping assembly; 2133. a sixth clamping assembly; 2134. a seventh clamping assembly; 2135. a second positioning pin; 2136. a third locating pin; 2141. a third support block; 2142. a fourth locating pin; 215. a proximity sensor;

22. a second clamp; 23. a triaxial positioner; 24. a welding robot;

3. a first cooling station; 31. a first intermediate transfer stage; 32. a cooling blower; 33. a second transfer robot; 34. a third transfer robot;

41. a second welding station; 42. a third welding station; 43. a fourth welding station;

5. a second feeding station; 51. a fourth transfer robot; 52. a second material box;

6. a second cooling station; 61. a fifth transfer robot; 62. a stack conveyor line; 63. a second intermediate transfer table;

7. a numerical control machining station; 71. Full-automatic numerical control equipment; 72. A sixth transfer robot;

8. a boxing station; 81. A seventh transfer robot; 82. Placing a box;

101. a cross beam; 1011. a third opening; 1012. a fourth opening; 102. a torsion bar; 103. a left beam lower reinforcing plate; 1031. a first opening; 1032. a second opening; 104. a right cross beam lower reinforcing plate; 105. a nut; 201. a left mounting plate; 202. a right mounting plate; 301. a left beam upper reinforcing plate; 302. a right cross beam upper reinforcing plate; 401. a torsion beam left trailing arm; 402. a torsion beam right trailing arm; 501. the left elastic hinge is provided with a sleeve; 502. the right elastic hinge is provided with a mounting sleeve; 503. a rear spring left mounting bracket; 504. a rear spring right mounting bracket; 601. a left mounting bracket of the shock absorber; 602. a right mounting bracket of the shock absorber; 603. a beam-side reinforcing plate; 604. a thrust rod bracket; 701. a small left bracket; 702. a small right bracket.

Detailed Description

Unless defined otherwise, 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 belongs; the terminology used in the description of the applications herein 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 description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In order to better understand the technical solutions of the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings.

Referring to fig. 1 to 4, the present application proposes a torsion beam automation line, which includes 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 numerical control machining station 7 and a boxing station 8;

the two adjacent sides of the first feeding station 1 are respectively provided with a first welding station 2 and a second welding station 41, the first cooling station 3 is arranged between the first welding station 2 and the second welding station 41, the other side of the second welding station 41 is provided with a second feeding station 5, the two adjacent sides of the second feeding station 5 are respectively provided with a third welding station 42 and a fourth welding station 43, the second cooling station 6 is positioned between the third welding station 42 and the fourth welding station 43, the other side of the second cooling station 6 is provided with a numerical control processing station 7, and the other side of the numerical control processing station 7 is provided with a boxing station 8;

the production line integrally forms a 5*2 cuboid, namely five stations are sequentially arranged in the length direction of the cuboid, two stations are sequentially arranged in the width direction of the cuboid, so that space can be saved, the transfer robot can work conveniently, the transfer robot can move a short distance to transfer materials to a required position, time is saved, and production efficiency is improved.

A first transfer robot 11 and a first material box 12 are arranged in the first feeding station 1, the first transfer robot 11 is used for moving materials in the first material box 12 to the first welding station 2, and a clamp and a welding robot are arranged in each of the first welding station 2, the second welding station 41, the third welding station 42 and the fourth welding station 43 and are used for welding materials fixed by the clamp; the first cooling station 3 and the second cooling station 6 are respectively provided with a cooling blower, the cooling blowers are used for cooling welded materials, the numerical control processing station 7 is internally provided with a full-automatic numerical control device 71, and the full-automatic numerical control device 71 is used for carrying out numerical control processing on the materials;

the first cooling station 3 is also internally provided with a second carrying robot 33 and a third carrying robot 34, the second carrying robot 33 is used for temporarily storing the finished piece of the first welding station 2 and moving the finished piece of the first welding station 2 to the first cooling station 3, the third carrying robot 34 is used for temporarily storing the finished piece of the second welding station 41, moving the finished piece of the first cooling station 3 to the second welding station 41 and moving the finished piece of the second welding station 41 to the third welding station 42, the second feeding station 5 is internally provided with a fourth carrying robot 51 and a second material box 52, the fourth carrying robot 51 is used for moving the material in the second material box 52 to the second welding station 41, the second cooling station 6 is internally provided with a fifth carrying robot 61 and a conveying line, the fifth carrying robot 61 is used for moving the finished piece of the third welding station 42 to the fourth welding station 43 and moving the finished piece of the fourth welding station 43 to the conveying line, the material is used for conveying the material to the numerical control processing station 7, the sixth carrying robot 72 is arranged in the numerical control processing station 7 is provided with a seventh carrying line for placing the material box 82 and the material box 82 in the numerical control robot 82, and the carrying robot 82 is arranged in the fourth carrying line and the numerical control robot 82 is used for placing the material box 82.

The first transfer robot 11 and the fourth transfer robot 51 are arranged outside one side of the material box, and the other transfer robots are arranged at the junctions of the stations, so that materials can be moved between the stations more conveniently, the transfer and loading work can be completed through the transfer robots, various expected tasks can be completed through programming, the labor intensity of artificial intelligence and adaptability is represented on the structure and the performance of the robot, the heavy manual labor of workers is greatly reduced, and the process flow is optimized. The carrying robot connects a plurality of processes together according to the needs, so that the process design is more reasonable, and meanwhile, the damage to workpieces caused by manual irregular operation or negligence can be prevented, and the loss of enterprises caused by errors is avoided. And the carrying grippers are of double-sided type, so that the space can be saved, and the grabbing process can be optimized.

Further, three first intermediate transfer tables 31 are arranged in the first cooling station 3, and a cooling blower 32 is arranged on each first intermediate transfer table. Three first middle transposition platforms 31 are respectively distributed at three ends of the T-shaped platform, the first middle transposition platforms 31 can realize the change of the work station direction of the work piece, can store materials temporarily, enable a plurality of welding and carrying steps to be mutually adapted, optimize the production beat, improve the production efficiency, reduce the logistics carrying capacity and the carrying time on the premise of meeting the production requirement, and save the space. And the cooling blower 32 can accelerate the cooling of the material and reduce the waiting time.

Further, the second cooling station 6 is provided with a second intermediate transfer stage 63, and a cooling blower is provided on the second intermediate transfer stage 63.

Further, the conveying line is a stacking type conveying line 62, and the stacking type conveying line 62 can convey or place materials, so that the transfer work between working procedures of the production line is solved. The conveying device has the characteristics of a common conveyor, has the characteristics of a stacking conveyor, can convey workpieces, can temporarily store the workpieces on a conveying line, and can effectively improve the production efficiency of a production line.

Further, the first welding station 2, the second welding station 41, the third welding station 42 and the fourth welding station 43 are respectively provided with a triaxial positioner 23, a clamping tool and a plurality of welding robots, the triaxial positioner 23 comprises a horizontal middle rotating shaft and two working shafts parallel to the middle rotating shaft, the front side of the triaxial positioner 23 is a preparation side, the rear side of the triaxial positioner 23 is a welding side, the plurality of welding robots are positioned on the welding side, and the two working shafts are symmetrically arranged on two sides of the middle rotating shaft and axially rotate around the middle rotating shaft, so that the working shafts can rotate from the preparation side to the welding side or from the welding side to the preparation side.

Specifically, multiple groups of workpieces exist on the production line at the same time, and products sequentially pass through the first feeding station 1, the first welding station 2, the first cooling station 3, the second welding station 41, the first cooling station 3, the second feeding station 5, the third welding station 42, the second cooling station 6, the fourth welding station 43, the second cooling station 6, the numerical control machining station 7 and the boxing station 8.

For the first welding station 2, the first clamp 21 is located at the preparation side, the second clamp 22 is located at the welding side, after the first transfer robot 11 loads the second group of first order materials onto the first clamp 21, the first clamp 21 is clamped, the triaxial positioner 23 rotates, the first clamp 21 rotates to the welding side, the second clamp 22 rotates to the preparation side, at this time, the two welding robots 24 weld the workpieces on the first clamp 21, the second clamp 22 clamps the first finished piece of the first group, at the same time, the first transfer robot 11 loads the first group of second order materials onto the second clamp 22, after the welding of the materials on the first clamp 21 is completed, the second clamp 22 is completed, the triaxial positioner 23 rotates again, the first clamp 21 is opened, the second transfer robot 33 grabs the first finished piece obtained by welding, moves to a first middle transfer table 31 of the first cooling station 3, the first transfer stage 31 is equipped with a cooling blower 32 for cooling the first completed parts, while the first transfer robot 11 loads the third group of first-order materials onto the first jig 21, while the second jig 22 is positioned on the welding side, and the welding is completed while the first transfer robot 11 loads, the triaxial positioner 23 rotates again, the second jig 22 is opened, the second transfer robot 33 picks up the second-order completed parts, moves onto the first transfer stage 31 of the first cooling station 3, the first transfer stage 31 is equipped with a cooling blower 32 for cooling the second completed parts, while the second transfer robot 33 loads the second group of first-order materials onto the second jig 22, the first transfer robot 11 circulates the second group of second-order materials into the second jig 22, and the first welding station 2 so as to form the second completed parts, and 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 processes, and will not be repeated here.

Referring to fig. 5 to 12, the present application further provides a torsion beam production process, which is applied to an automated torsion beam production line of any one of the above, and includes the following process steps:

s1: the first transfer robot 11 grabs and moves the cross beam 101, the torsion bar 102, the left cross beam lower reinforcing plate 103, the right cross beam lower reinforcing plate 104 and the nuts 105 on the material conveyor belt to a clamp on the preparation side of the triaxial positioner 23 of the first welding station 2, the triaxial positioner 23 rotates, and the welding robot 24 welds workpieces on the clamp to obtain a first finished part;

s2: the second transfer robot 33 grabs the cooled first finished piece, moves the cooled first finished piece to a clamp on the welding side of the triaxial positioner 23, and the first transfer robot 11 clamps the left mounting plate 201 and the right mounting plate 202 and welds the left mounting plate and the right mounting plate 202 to the first finished piece to obtain a second finished piece;

s3: the second transfer robot 33 places the second finished piece on a transfer table for cooling, the third transfer robot 34 moves the second finished piece to a triaxial positioner of the second welding station 41, the fourth transfer robot 51 moves a left beam upper reinforcing plate 301 and a right beam upper reinforcing plate 302 in the material frame to the preparation side of the triaxial positioner, the triaxial positioner rotates, and the second finished piece is welded with the left beam upper reinforcing plate 301 and the right beam upper reinforcing plate 302 to form a third finished piece;

s4: the triaxial positioner rotates again, the third transfer robot 34 moves the third finished piece to the welding side of the triaxial positioner of the second welding station 41, the fourth transfer robot 51 grabs the torsion beam left dragging arm 401 and the torsion beam right dragging arm 402 from the material frame, moves to the third finished piece, and the welding robot welds the third finished piece to obtain a fourth finished piece;

s5: the third transfer robot 34 moves the fourth finished piece to the preparation side of the triaxial positioner of the third welding station 42, the fourth transfer 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 frame, and puts the fourth finished piece into the preparation side of the triaxial positioner of the third welding station 42, the triaxial positioner rotates, and the welding robot welds the fourth finished piece to obtain a fifth finished piece;

s6: the fifth transfer robot 61 takes out the fifth finished piece, puts it into the preparation side of the triaxial positioner of the third welding station 42, the fourth transfer robot 51 grabs the damper left mounting bracket 601, the damper right mounting bracket 602, the beam side reinforcing plate 603, the thrust rod bracket 604 from the material frame, puts it into the preparation side of the triaxial positioner of the third welding station 42, rotates the triaxial positioner, and welds it by the welding robot to obtain a sixth finished piece;

s7: the fifth transfer robot 61 places the sixth finished product on the preparation side of the triaxial positioner of the fourth welding station 43, the fourth transfer robot 51 grips the left small bracket 701 and the right small bracket 702 from the material frame, places the sixth finished product on the preparation side of the triaxial positioner of the fourth welding station 43, rotates the triaxial positioner, and the welding robot welds the sixth finished product to obtain a seventh finished product

S8: the fifth transfer robot 61 places the seventh completed part on the stacking type placing and conveying line, and the sixth transfer robot 72 moves the seventh completed part on the conveying line to the full-automatic numerical control device 71, processes the end surfaces of the two sides, and obtains torsion Liang Chanpin;

s9: the seventh transfer robot 81 places the torsion beam product into a finished box.

Further, after each step of S1-S8 is finished, a cooling blower is arranged to cool the finished part of the step.

In the welding step, the transfer robot selects the grabbing object through the vision guiding system and moves to the appointed position, a plurality of clamping points and positioning pins are arranged on the clamp to limit the movement of the part, a proximity sensor 215 is further arranged, the proximity sensor 215 can judge whether the part is installed in place, when the part installation position is offset, the proximity sensor 215 transmits a signal to the transfer robot, and the transfer robot automatically adjusts the angle and the position, so that the part installation is accurate.

Taking S1 as an example, as shown in fig. 5 to 9, the handling robot places the lower left beam stiffener 103 on the first clamp 21, the first clamp 21 is provided with a first support block 2111 and a second support block 2112, the first support block 2111 and the second support block 2112 are both located below the lower left beam stiffener 103, the lower left beam stiffener 103 is initially positioned, the lower left beam stiffener 103 is provided with a first opening 1031 and a second opening 1032, the first opening 1031 is inserted into a first positioning pin 2113 on the first clamp 21, the second opening 1032 is inserted into a pin cylinder 2114 on the first clamp 21, the first clamp 21 is further provided with a first clamping assembly 2115, the first clamping assembly 2115 can clamp one end of the lower left beam stiffener 103, limit the upper and lower movement of the first clamping assembly 2113 and the pin cylinder 2114, limit the left and right movement of the first positioning pin and the second clamping assembly, the proximity sensor 215 is arranged below the lower left beam stiffener 103, whether a part is in place or not is detected, and information is fed back to the lower left beam stiffener 103 to the handling robot, and the lower left beam stiffener 104 is consistent with the positioning of the lower beam stiffener 103.

After the positions of the lower reinforcing plates of the left and right beams are fixed, the transfer robot grabs the torsion bar 102, two V-shaped supporting blocks 2121 are arranged on the first clamp 21, the two V-shaped supporting blocks 2121 are arranged at the middle position of the torsion bar 102, a certain distance is reserved between the two V-shaped supporting blocks 2121, the torsion bar 102 can be clamped, the torsion bar 102 is prevented from running back and forth, the torsion bar 102 is of a hollow structure, two ends of the torsion bar 102 are respectively inserted into the torsion bar 102 through a left limiting block 2122 and a right limiting block 2123, two ends of the torsion bar 102 are respectively limited through a second clamping assembly 2124 and a third clamping assembly 2125, and the left limiting block and the right limiting block can prevent the torsion bar 102 from running left and right.

After the position of the torsion bar 102 is fixed, the transfer robot grabs the cross beam 101, the cross beam 101 is of an inverted U-shaped structure and can be sleeved on the torsion bar 102, a fourth clamping assembly 2131 and a fifth clamping assembly 2132 are arranged above the cross beam 101 by the first clamp 21, a distance is arranged between the fourth clamping assembly 2131 and the fifth clamping assembly 2132, a sixth clamping assembly 2133 and a seventh clamping assembly 2134 are further arranged at the left end and the right end of the cross beam 101 by the first clamp 21 respectively, the cross beam 101 is limited to move up and down by the four clamping assemblies, a third opening 1011 and a fourth opening 1012 are further arranged on the upper side wall of the cross beam 101, the third opening 1011 is spliced with a second positioning pin 2135 on the first clamp 21, and the fourth opening 1012 is spliced with a third positioning pin 2136 on the first clamp 21 so as to limit the cross beam 101 to move back and forth.

The first clamp 21 is further provided with a nut positioning assembly, a third supporting block 2141 and a fourth positioning pin 2142 are disposed at the top end of the nut positioning assembly, the third supporting block 2141 is used for supporting the nut 105, the fourth positioning pin 2142 is used for fixing the position of the nut 105, in the process of fixing each part, the proximity sensor 215 is used for detecting whether the installation position of the part is correct or not, until each part is correctly fixed, the first clamp 21 is rotated, and two welding robots 24 on the welding side are used for welding.

The whole positioning, clamping and welding processes are completed by the robot, so that the labor cost is saved, the production efficiency is improved, and unnecessary loss caused by misoperation can be prevented.

It is apparent that the embodiments described above are only some embodiments of the present application, but not all embodiments, the preferred embodiments of the present application are given in the drawings, but not limiting the patent scope of the present application. This application may be embodied in many different forms, but rather, embodiments are provided in order to provide a more thorough understanding of the present disclosure. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing, or equivalents may be substituted for elements thereof. All equivalent structures made by the specification and the drawings of the application are directly or indirectly applied to other related technical fields, and are also within the protection scope of the application.

Claims (7)

1. The automatic torsion beam production line is characterized by comprising a first feeding station, a second feeding 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 numerical control machining station and a boxing station;

the two adjacent sides of the first feeding station are respectively provided with 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 other side of the second welding station is provided with the second feeding station, the two adjacent sides of the second feeding station are respectively provided with the third welding station and the fourth welding station, the second cooling station is positioned between the third welding station and the fourth welding station, the other side of the second cooling station is provided with the numerical control processing station, and the other side of the numerical control processing station is provided with the boxing station;

a first transfer robot and a first material box are arranged in the first feeding station, the first transfer robot is used for moving materials in the first material box to the first welding station, a clamp and a welding robot are arranged in each of the first welding station, the second welding station, the third welding station and the fourth welding station, and the welding robot is used for welding the materials fixed by the clamp; the first cooling station and the second cooling station are internally provided with cooling blowers, the cooling blowers are used for cooling welded materials, the numerical control processing station is internally provided with full-automatic numerical control equipment, and the full-automatic numerical control equipment is used for carrying out numerical control processing on the materials;

the numerical control automatic welding machine comprises a first cooling station, a second welding station, a third cooling station, a fourth transfer robot and a second material box, wherein the second transfer robot and the third transfer robot are arranged in the first cooling station, the second transfer robot is used for temporarily storing the finished piece of the first welding station and moving the finished piece of the first cooling station to the second welding station and moving the finished piece of the second welding station to the third welding station, the second material loading station is provided with the fourth transfer robot and the second material box, the fourth transfer robot is used for moving the material in the second material box to the second welding station, a fifth transfer robot and a conveying line are arranged in the second cooling station, the fifth transfer robot is used for moving the finished piece of the third welding station to the fourth welding station and moving the finished piece of the fourth welding station to the conveying line, the numerical control robot is used for moving the material to the seventh material box, and the numerical control robot is used for placing the numerical control automatic welding machine tool in the seventh material box.

2. The automated torsion beam manufacturing line according to claim 1, wherein three first intermediate transfer tables are disposed in the first cooling station, and a cooling blower is disposed on each of the first intermediate transfer tables.

3. The automated torsion beam manufacturing line according to claim 1, wherein the second cooling station is provided with a second intermediate transfer station, and wherein the second intermediate transfer station is provided with a cooling blower.

4. The automated torsion beam manufacturing line according to claim 1, wherein the conveyor line is a storage conveyor line capable of transporting or storing materials.

5. The automated torsion beam production line according to claim 1, wherein the first welding station, the second welding station, the third welding station and the fourth welding station are respectively provided with a triaxial positioner, a clamping tool and a plurality of welding robots, the triaxial positioner comprises a horizontal middle rotating shaft and two working shafts parallel to the middle rotating shaft, the front side of the triaxial positioner is a preparation side, the rear side of the triaxial positioner is a welding side, the plurality of welding robots are positioned on the welding side, and the two working shafts are symmetrically arranged on two sides of the middle rotating shaft and rotate around the axial direction of the middle rotating shaft, so that the working shafts can rotate from the preparation side to the welding side or from the welding side to the preparation side.

6. A torsion beam production process, which is applied to the torsion beam automatic production line according to any one of claims 1 to 5, and comprises the following process steps:

s1: the first transfer robot is used for fixing a beam, a torsion bar, a left beam lower reinforcing plate, a right beam lower reinforcing plate and nuts on a material conveying belt on a clamp on the preparation side of a triaxial positioner of a first welding station, the triaxial positioner rotates, and a welding robot is used for welding workpieces on the clamp to obtain a first finished piece;

s2: the second transfer robot grabs the cooled first finished piece and moves the cooled first finished piece to a clamp on the welding side of the triaxial positioner, and the first transfer robot grabs the left mounting plate and the right mounting plate and welds the left mounting plate and the right mounting plate to the first finished piece to obtain a second finished piece;

s3: the second transfer robot is used for placing the second finished piece on a transfer table for cooling, the third transfer robot is used for moving the second finished piece to a triaxial positioner of a second welding station, the fourth transfer robot is used for moving a left beam upper reinforcing plate and a right beam upper reinforcing plate in a material frame to the preparation side of the triaxial positioner, the triaxial positioner is rotated, and the second finished piece is welded with the left beam upper reinforcing plate and the right beam upper reinforcing plate to form a third finished piece;

s4: the three-axis positioner rotates again, the third transfer robot moves the third finished piece to the welding side of the three-axis positioner of the second welding station, the fourth transfer robot grabs the left drag arm of the torsion beam and the right drag arm of the torsion beam from the material frame, moves to the third finished piece, and the welding robot welds the third finished piece to obtain a fourth finished piece;

s5: the third transfer robot moves the fourth finished piece to the preparation side of the triaxial positioner of the third welding station, the fourth transfer 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, the fourth transfer robot is placed in the preparation side of the triaxial positioner of the third welding station, the triaxial positioner rotates, and the welding robot welds the third finished piece to obtain a fifth finished piece;

s6: the fifth transfer robot takes out the fifth finished piece, puts the fifth finished piece into the preparation side of the triaxial positioner of the third welding station, the fourth transfer robot grabs the left shock absorber mounting bracket, the right shock absorber mounting bracket, the beam side reinforcing plate and the thrust rod bracket from the material frame, puts the fifth finished piece into the preparation side of the triaxial positioner of the third welding station, rotates the triaxial positioner and welds the welding robot to obtain a sixth finished piece;

s7: the fifth transfer robot places the sixth finished part on the preparation side of the triaxial positioner of the fourth welding station, the fourth transfer robot grabs the left small bracket and the right small bracket from the material frame, places the left small bracket and the right small bracket on the preparation side of the triaxial positioner of the fourth welding station, the triaxial positioner rotates, and the welding robot welds the sixth finished part to obtain a seventh finished part

S8: the seventh finished piece is placed on the stacking conveying line by the fifth conveying robot, the seventh finished piece on the conveying line is moved to full-automatic numerical control equipment by the sixth conveying robot, and the end faces of the two sides are processed to obtain torsion Liang Chanpin;

s9: and the seventh carrying robot puts the torsion beam product into a finished product box.

7. The torsion beam manufacturing process according to claim 6, wherein a cooling blower is provided to cool the completed member of each of the steps S1 to S8 after the completion of the step.