CN116511772A

CN116511772A - Automatic welding and assembling production line for side shifting frame

Info

Publication number: CN116511772A
Application number: CN202310630854.7A
Authority: CN
Inventors: 饶兵; 朱炜; 牛长乐
Original assignee: Hangzhou Hangcha Mechanical Equipment Manufacturing Co ltd
Current assignee: Hangzhou Hangcha Mechanical Equipment Manufacturing Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-08-01

Abstract

The application relates to the technical field of machining, in particular to an automatic welding and assembling production line of a side shifting frame, which comprises a feeding device, a first welding device and a second welding device, wherein the feeding device comprises a first manipulator used for feeding and assembling each workpiece; the pre-positioning device comprises a beam positioning assembly and a vertical beam positioning assembly, the beam positioning assembly comprises a first bracket, a beam cylinder and a beam baffle, the beam cylinder and the beam baffle are respectively arranged at two ends of the first bracket in the length direction, a piston rod of the beam cylinder moves towards the beam baffle, the vertical beam positioning assembly comprises a second bracket, a vertical beam cylinder and a vertical beam baffle, the vertical beam cylinder and the vertical beam baffle are respectively arranged at two ends of the second bracket in the length direction, and a piston rod of the vertical beam cylinder moves towards the vertical beam baffle; the spot welding device is used for spot welding the assembled workpieces; the girth welding device is used for girth welding the workpieces subjected to spot welding. The application has the effects of reducing the occurrence of dislocation condition of each workpiece of the side shifting frame during assembly and improving the welding precision and quality of the side shifting frame.

Description

Automatic welding and assembling production line for side shifting frame

Technical Field

The application relates to the technical field of machining, in particular to an automatic welding and assembling production line for a side shifting frame.

Background

The side shifting frame is one of the main bodies of the forklift attachment structure, and the main workpiece comprises an upper cross beam, a lower cross beam and two vertical beams, and in industrial production, the side shifting frame can be installed on a crane or a forklift and used for connecting a fork with the main body of the side shifting frame, and the fork can slide on the side shifting frame so as to move the fork from one position to the other position during transporting goods.

However, at present, in the production process of the traditional side-shifting frame, a semi-automatic operation mode is still adopted, and because of manual participation operation, the welding precision is necessarily affected, and the situation that each workpiece is misplaced due to the fact that a welding robot places each grabbed workpiece in order is not ensured, so that the deviation occurs in welding, the welding quality of the side-shifting frame is affected, and the production efficiency is reduced.

Disclosure of Invention

In order to reduce the dislocation condition of each work piece of side frame when the assembly takes place, promote the welding precision and the welding quality of side frame, this application provides a side frame automatic weld equipment production line, adopts following technical scheme:

a side-shifting rack automatic welding assembly line, comprising:

the feeding device (1), wherein the feeding device (1) comprises a first manipulator (13), and the first manipulator (13) is used for feeding and assembling each workpiece;

the device comprises a pre-positioning device (2), wherein the pre-positioning device (2) comprises a beam positioning assembly (21) and a vertical beam positioning assembly (22), the beam positioning assembly (21) comprises a first bracket (211), a beam cylinder (212) and a beam baffle (213), the beam cylinder (212) and the beam baffle (213) are respectively arranged at two ends of the first bracket (211) in the length direction, a piston rod of the beam cylinder (212) moves towards the beam baffle (213), the vertical beam positioning assembly (22) comprises a second bracket (221), a vertical beam cylinder (222) and a vertical beam baffle (223), the vertical beam cylinder (222) and the vertical beam baffle (223) are respectively arranged at two ends of the second bracket (221) in the length direction, and the piston rod of the vertical beam cylinder (222) moves towards the vertical beam baffle (223);

a spot welding device (3), wherein the spot welding device (3) is used for performing spot welding on each assembled workpiece;

and the girth welding device (4) is used for girth welding the workpieces subjected to spot welding.

Through adopting above-mentioned technical scheme, realize the assembly and the weldment work of moving the frame of moving by loading attachment, spot welding device and the cooperation between the device of girding, and through the setting of pre-positioning device, can be before first manipulator assembles, go on the pre-positioning to upper and lower crossbeam and vertical beam, thereby ensure to go on accurately assembling upper and lower crossbeam and vertical beam, can not lead to the welding error because of the part dislocation when making the welding, optimize the assembly work of each part in the source, reduced the emergence of moving each part dislocation condition of moving the frame when the assembly, promoted the welding assembly efficiency and the quality of moving the frame.

Preferably, the beam positioning assembly comprises a beam tensioning cylinder fixedly connected to the first support, the beam tensioning cylinder is located between the beam cylinder and the beam baffle, the moving direction of a beam tensioning cylinder piston rod is perpendicular to the moving direction of the beam cylinder piston rod, the vertical beam positioning assembly comprises a vertical beam tensioning cylinder fixedly connected to the second support, the vertical beam tensioning cylinder is located between the vertical beam cylinder and the vertical beam baffle, and the moving direction of the vertical beam tensioning cylinder piston rod is perpendicular to the moving direction of the vertical beam cylinder piston rod.

Through adopting above-mentioned technical scheme, when first manipulator will go up, lower crossbeam and erect the roof beam and place respectively on crossbeam locating component and erecting roof beam locating component, crossbeam cylinder and crossbeam baffle carry out the length direction to upper and lower crossbeam and put up, erect roof beam cylinder and erect roof beam baffle and carry out length direction's position to erecting the roof beam and prescribe a limit to, crossbeam take-up cylinder and erect roof beam take-up cylinder respectively go on width direction's position to upper and lower crossbeam and erect roof beam to the realization is to upper and lower crossbeam and erect the reservation of roof beam.

Preferably, the feeding device further comprises a second manipulator and two feeding rotary tables, the two feeding rotary tables are respectively connected with two feeding rotary tables in a rotating mode, a motor is fixedly arranged in each feeding rotary table, an output shaft of the motor is fixedly connected with the feeding rotary tables, a first placing seat and a second placing seat are fixedly arranged on each feeding rotary table respectively, the first placing seat comprises two fixedly connected first placing plates, the second placing seat comprises two fixedly connected second placing plates, and the two first placing plates and the second placing plates are gradually far away from each other from top to bottom to form an inclined surface.

Through adopting above-mentioned technical scheme, the setting of material loading revolving stage can deposit rings, lower slider seat, hydro-cylinder support and strengthening rib as far as possible, reduces the number of times that the part was put to the manual work, and the inclined plane that board and second were placed to the first inclined plane of placing can be convenient for the manipulator firmly snatch the part and carry out the material loading.

Preferably, the spot welding device comprises a spot welding turntable and a spot welding clamping assembly, the spot welding turntable is arranged between the first manipulator and the second manipulator, the spot welding turntable is used for limiting the placement position of the side-moving frame, the spot welding clamping assembly comprises a first limiting module used for limiting an upper beam and an oil cylinder support, the first limiting module comprises an upper beam cylinder and an oil cylinder support cylinder group which are fixedly connected to the spot welding turntable, and the upper beam cylinder and the oil cylinder support cylinder group are respectively located on two sides of the upper beam.

Through adopting above-mentioned technical scheme, the cooperation setting of spot welding revolving stage and spot welding clamping assembly can limit the position of side shifting frame, ensures that each part of side shifting frame is stable not shifted when carrying out spot welding work, and first limit module can carry out the position to entablature and hydro-cylinder support simultaneously and inject, and entablature cylinder and hydro-cylinder support cylinder are located the both sides of entablature, can apply the effort of opposite direction for the entablature, locks the position of entablature.

Preferably, the cylinder support cylinder group comprises a first cylinder support cylinder and a second cylinder support cylinder, a piston rod of the first cylinder support cylinder is fixedly connected with a first push plate, a piston rod of the second cylinder support cylinder is fixedly connected with a second push plate, the first push plate is fixedly connected with a first connecting rod, the first connecting rod is far away from one end of the first push plate, a second connecting rod is fixedly connected with one end of the first connecting rod, the first connecting rod is mutually perpendicular to the length direction of the second connecting rod, and the second cylinder support cylinder is located at one end of the second connecting rod far away from the first connecting rod.

Through adopting above-mentioned technical scheme, first push pedal and second push pedal can press from both sides the hydro-cylinder support tight and support on the entablature, and when pressing from both sides tight hydro-cylinder support, apply the power of keeping away from the bottom end rail for the entablature, reduced the setting of clamping piece, simplified the device.

Preferably, the spot welding clamping assembly comprises a second limiting module, the second limiting module comprises a pushing cylinder, a pushing stop block and a reinforcing rib cylinder which are fixedly connected to the spot welding turntable, the pushing cylinder and the pushing stop block are respectively located on one side, deviating from the vertical beam, of the piston rod of the pushing cylinder, the piston rod of the pushing cylinder is propped against the vertical beam, the moving direction of the piston rod of the pushing cylinder is perpendicular to the length direction of the vertical beam, the reinforcing rib cylinder is located in the side shifting frame and corresponds to the number of reinforcing ribs one by one, and the piston rod of the reinforcing rib cylinder is fixedly connected with a reinforcing rib placing column.

Through adopting above-mentioned technical scheme, the second spacing module can carry out the tight of support in inside and outside two directions to the rectangle frame that moves the frame formation, and the strengthening rib cylinder can support the strengthening rib in the four corners department of moving in moving the frame promptly, promotes the cooperation setting of cylinder and promotion dog, can move outside moving the frame and support tightly, makes the upper and lower crossbeam and the vertical beam structure of moving the frame more firm.

Preferably, the spot welding clamping assembly comprises a third limiting module used for pressing the lower cross beam and the lower slide block seat, the third limiting module comprises a lower cross beam cylinder and a lower slide block seat cylinder which are fixedly arranged on the spot welding turntable, a piston rod of the lower cross beam cylinder props against the lower cross beam, the moving direction of the piston rod of the lower cross beam cylinder is perpendicular to the length direction of the lower cross beam, a lower pressing frame is fixedly connected with a piston rod of the lower slide block seat cylinder, and the lower pressing frame is located above the lower cross beam and drives the lower pressing frame to be pressed on the lower slide block seat when the piston rod of the lower slide block seat cylinder contracts.

Through adopting above-mentioned technical scheme, the setting of third spacing module can carry out spacingly to bottom end rail and lower slider seat respectively, and the piston rod of slider seat cylinder down drives down the pressure frame and compresses tightly on lower slider seat, and simultaneously down the pressure frame give a decurrent pressure of bottom end rail, makes the bottom end rail support tightly on the spot welding revolving stage.

Preferably, a piston rod of the lower beam cylinder is fixedly connected with a pulling plate, the lower beam is positioned on the pulling plate, a lower beam stop block is fixedly arranged on the spot welding turntable, and the lower beam stop block is positioned at one end of the lower beam, which is far away from the upper beam.

By adopting the technical scheme, the piston rod of the lower beam cylinder is contracted to drive the pulling plate to move, so that the lower beam abuts against the lower beam stop block, and the position of the lower beam is limited.

Preferably, the girth welding device comprises a girth welding manipulator, a fixed column and a girth welding frame, wherein the girth welding manipulator is close to one side of the girth welding frame and is used for girth welding the side shifting frame, the fixed column is rotationally connected with a first rotary table, a rotary table connecting rod is fixedly arranged on the first rotary table, two ends of the rotary table connecting rod in the length direction are rotationally connected with a second rotary table, and the second rotary table is fixedly connected with the girth welding frame.

Through adopting above-mentioned technical scheme, through the cooperation of girth welding manipulator and girth welding frame, need not the manual work and can carry out the girth welding to the side frame that the spot welding accomplished, and the setting of first carousel can realize the rotation of whole girth welding frame, makes girth welding and unloading work can not mutual interference, and the rotation of girth welding frame can be realized in the setting of second carousel to cooperation girth welding manipulator welds side frame.

Preferably, the conveying device comprises a transferring support, a sliding rod, a grabbing frame and grabbing cylinders, wherein a sliding rail is arranged above the transferring support, the sliding rod is slidably connected to the sliding rail, the grabbing cylinders are fixedly connected to the sliding rod, and piston rods of the grabbing cylinders are fixedly connected with the grabbing frame.

Through adopting above-mentioned technical scheme, conveyor's setting can be to the side of spot welding completion or ring welding completion put up and transport, moves the side and put up and shift to ring welding revolving stage or unloading frame.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the pre-positioning device, the feeding accuracy of the feeding device is improved, the assembly positions of the upper cross beam, the lower cross beam and the vertical beam are ensured to be accurate, and the welding work is not influenced;

2. through the setting of spot welding clamping assembly, each part to the side frame of moving carries out the centre gripping, makes the position of moving the frame of moving on the spot welding revolving stage of moving, can not lead to the condition such as welding leakage, mistakes and weld to take place to make welding quality decline because of shifting, welding efficiency reduces.

Drawings

FIG. 1 is a schematic view of the overall structure of an automatic welding and assembling line for side frames according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a feeding device according to an embodiment of the present application;

FIG. 3 is a schematic view of a positioning device according to an embodiment of the present application;

fig. 4 is an enlarged view of a portion a of fig. 2;

FIG. 5 is a schematic view of a cylinder block support in an embodiment of the present application;

fig. 6 is an enlarged view of a portion B of fig. 2;

FIG. 7 is a schematic structural view of a girth welding device according to an embodiment of the present application;

FIG. 8 is a schematic view of a conveying apparatus according to an embodiment of the present application;

fig. 9 is a block diagram of a side-shifting carriage of the background art of the present application.

Reference numerals illustrate: 1. a feeding device; 11. stacking seats; 12. a feeding turntable; 121. a feeding turntable; 122. a first placement base; 1221. a first placing plate; 123. a second placement seat; 1231. a second placing plate; 124. a convex ring; 125. a groove; 126. a bump; 127. a clamping column; 128. clamping strips; 13. a first manipulator; 131. a rotating frame; 1311. spot welding gun; 132. an adsorption block; 14. a second manipulator; 2. a pre-positioning device; 21. a beam positioning assembly; 211. a first bracket; 212. a beam cylinder; 213. a beam baffle; 214. a beam tensioning cylinder; 2141. a first side plate; 22. a vertical beam positioning assembly; 221. a second bracket; 222. a vertical beam cylinder; 223. a vertical beam baffle; 224. tensioning a cylinder by a vertical beam; 2241. a second side plate; 3. a spot welding device; 31. a spot welding turntable; 311. a first rotating table; 312. a first spot welding area; 313. a second spot welding area; 314. a lower beam stop; 315. a vertical beam stop; 316. pushing the stop block; 317. a first through hole; 318. a second through hole; 319. a fixing seat; 33. a baffle; 34. a rotating motor; 35. placing a column; 36. a spot welding clamping assembly; 361. the first limiting module; 3611. an upper beam cylinder; 3612. a pressing cylinder; 36121. a first connection plate; 36122. pressing down the arm; 3613. a lifting ring cylinder; 36131. a hanging ring placing column; 36132. a rotating arm; 36133. a pressure plate; 3614. cylinder groups of the cylinder support; 36141. a first cylinder support cylinder; 36142. a first push plate; 36143. a first connecting rod; 36144. a second connecting rod; 36145. a second cylinder support cylinder; 36146. a second push plate; 362. the second limiting module; 3621. the vertical beam pushes the cylinder; 3622. a pushing cylinder; 3623. a reinforcing rib cylinder; 3624. placing a column on the reinforcing rib; 363. the third limit module; 3631. a lower beam cylinder; 3632. pulling the plate; 3633. a lower slider seat cylinder; 3634. a pressing frame is pressed down; 4. a ring welding device; 41. a ring welding manipulator; 411. changing a welding gun; 42. a ring welding frame; 43. fixing the column; 431. a first turntable; 432. a turntable connecting rod; 433. a second turntable; 44. a partition plate; 45. a girth welding clamping assembly; 451. a ring welding positioning cylinder; 452. an inner support positioning cylinder; 453. a rotary compression cylinder; 5. a blanking frame; 6. a conveying device; 61. a transfer bracket; 611. a slip rail; 62. a sliding rod; 621. grabbing an air cylinder; 63. a grabbing frame; 7. an operating platform; 100. a side shifting frame; 1001. an upper cross beam; 10011. an upper tank body; 10012. a lower tank body; 1002. a vertical beam; 1003. a hanging ring; 1004. an oil cylinder support; 1005. a lower slider seat; 1006. and a lower cross beam.

Detailed Description

The present application is described in further detail below in conjunction with fig. 1-9.

In the description of the present application, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Referring to fig. 1 and 9, the automatic welding assembly production line for side-shifting frames disclosed by the application comprises a strip-shaped operating platform 7, a feeding device 1, a pre-positioning device 2, a spot welding device 3, a ring welding device 4 and a plurality of blanking frames 5, wherein the feeding device 1 is used for conveying and assembling each part in the side-shifting frames 100 before welding the side-shifting frames 100, the pre-positioning device 2 is used for limiting position adjustment of an upper cross beam, a lower cross beam and a vertical beam 1002 during feeding, the spot welding device 3 is used for spot welding the side-shifting frames 100, the ring welding device 4 is used for ring welding the side-shifting frames 100 with the spot welding being completed, and the blanking frames 5 are used for intensively placing the side-shifting frames 100 finished products with the welding being completed in batches. And a conveying device 6, wherein the conveying device 6 is used for carrying out transferring and conveying work in the production process of the side-shifting frame 100.

Referring to fig. 2 and 9, since the side shift frames 100 include different components, in this embodiment, the side shift frame 100 further includes a lifting ring 1003, two cylinder supports 1004 and two lower slide blocks 1005, so in order to ensure accurate feeding of the components of the side shift frame 100, the feeding device 1 includes a stacking base 11, a feeding turntable 12, a first manipulator 13 and a second manipulator 14, the first manipulator 13 and the second manipulator 14 are both rotatably connected to the operation platform 7, the first manipulator 13 and the second manipulator 14 are oppositely disposed, the stacking base 11 is provided with a plurality of stacking bases 11 around the periphery of the first manipulator 13, the stacking base 11 is detachably connected to the operation platform 7, the stacking base 11 is used for storing an upper beam 1001 to be welded, a lower beam 1002 and a vertical beam 1002, the feeding turntable 12 is fixedly connected to the operation platform 7, at least two feeding turntables 12 are provided, one is used for storing the lifting ring 1006, the cylinder supports 1004 and reinforcing ribs, the other is used for storing a lower sliding block seat 1005, two feeding rotary tables 12 are rotationally connected with two feeding rotary tables 121, a motor is fixedly arranged in the feeding rotary tables 12, an output shaft of the motor is fixedly connected with the feeding rotary tables 121, a first placing seat 122 and a second placing seat 123 are respectively fixedly arranged on the two feeding rotary tables 121, the first placing seat 122 comprises two fixedly connected first placing plates 1221, the second placing seat 123 comprises two fixedly connected second placing plates 1231, the two first placing plates 1221 and the two second placing plates 1231 are gradually far away from each other from top to bottom to form inclined surfaces, the inclined surfaces of the first placing plates 1221 are divided into three placing areas respectively used for placing the hanging ring 1003, the oil cylinder support 1004 and the reinforcing rib, a convex ring 124 used for hooking the hanging ring 1003, a groove 125 used for placing the oil cylinder support 1004 and a convex block 126 used for limiting the position of the reinforcing rib are respectively arranged in the three placing areas, the second placing plate 1231 is fixedly provided with a card post 127 and a card bar 128 for placing the lower slider seat 1005.

Referring to fig. 2, for the material loading of being convenient for, the fixed rotating turret 131 that is provided with in tip of first manipulator 13, the one end rotation that first manipulator 13 was kept away from to rotating turret 131 below is connected with absorption piece 132, and the tip rotation of second manipulator 14 is connected with absorption piece 132, and when the material loading was needed, first manipulator 13 drove absorption piece 132 and snatched the part on the pile up neatly seat 11, and second manipulator 14 drove absorption piece 132 and snatched each part on the material loading revolving stage 12 in order to carry the assembly, and absorption piece 132 uses the magnetic path to demonstrate as the example in this application.

Referring to fig. 2 and 3, the pre-positioning device 2 is located between the stacking base 11 and the spot welding device 3, the pre-positioning device 2 includes a beam positioning assembly 21 and a vertical beam positioning assembly 22, the beam positioning assembly 21 includes a first bracket 211 fixedly arranged on the operation platform 7, the first bracket 211 is in a long frame shape, two ends of the first bracket 211 along the length direction of the first bracket are respectively fixedly provided with a beam cylinder 212 and a beam baffle 213, the first bracket 211 is also fixedly provided with at least one beam tensioning cylinder 214, the beam tensioning cylinder 214 is located between the beam cylinder 212 and the beam baffle 213, a piston rod of the beam tensioning cylinder 214 is fixedly connected with a first side plate 2141 for limiting the position of an upper beam and a lower beam, the moving direction of the piston rod of the beam tensioning cylinder 214 is mutually perpendicular to the length direction of the first bracket 211, the vertical beam positioning assembly 22 includes a second bracket 221 fixedly arranged on the operation platform 7, two ends of the second bracket 221 along the length direction of the second bracket 221 are respectively fixedly provided with a vertical beam cylinder 222 and a vertical beam baffle 223, the second bracket 221 is also fixedly provided with at least one vertical beam tensioning cylinder 224, the piston rod tensioning cylinder 224 is fixedly arranged on the second bracket 221, the piston rod of the piston rod tensioning cylinder 224 is fixedly connected with the second bracket 224 is arranged between the first bracket 224 and the vertical beam 224 and the second bracket 224, and the piston rod is mutually perpendicular to the second bracket 224, and the length direction of the piston rod is mutually perpendicular to the first bracket 224 is mutually limited by the vertical beam tensioning cylinder 224. When the first manipulator 13 grabs the upper and lower beams onto the beam positioning assembly 21, the piston rods of the beam cylinder 212 push the upper and lower beams toward the first side plate 2141, and the beam tensioning cylinder 214 clamps the upper and lower beams, so as to realize the pre-positioning of the upper and lower beams, the first manipulator 13 grabs the pre-positioned upper and lower beams onto the spot welding device 3, and the pre-positioning mode of the vertical beam 1002 is the same as that of the beams, which is not described herein.

Referring to fig. 2 and 9, a spot welding gun 1311 is detachably connected to a turret 131 of a first robot 13, the spot welding gun 1311 is used for spot welding of each component of the side-shift carriage 100 after the loading is completed, the spot welding device 3 includes a spot welding turntable 31, the spot welding turntable 31 is located between the first robot 13 and a second robot 14, the spot welding turntable 31 includes a first rotating table 311 and a fixed base 319, the fixed base 319 is fixedly disposed on an operation platform 7, the first rotating table 311 is rotatably connected above the fixed base 319, the first rotating table 311 can rotate 180 degrees around itself, a baffle 33 is fixedly disposed on the first rotating table 311, the baffle 33 divides the first rotating table 311 into a first spot welding zone 312 and a second spot welding zone 313, a placing station for placing an upper beam, a lower beam and a vertical beam 1002 is disposed on the first rotating table 311, the placing station is located in the first spot welding zone 312 and the second spot welding zone 313, during feeding, the first manipulator 13 sequentially grabs the upper cross beam 1001, the vertical beam 1002, the lower cross beam 1006 and the vertical beam 1002 to a placing station in the first spot welding area 312 on the spot welding turntable 31, the spot welding turntable 31 rotates 180 degrees to enable the first spot welding area 312 to rotate to the second manipulator 14, the second manipulator 14 sequentially grabs the lower slide block seat 1005, the reinforcing ribs, the lifting ring 1003 and the oil cylinder support 1004 to the first spot welding area 312, after all the components are fed, the positions of all the components are fixed, meanwhile, the first manipulator 13 sequentially grabs the components to a placing station in the second spot welding area 313, the spot welding turntable 31 continuously rotates 180 degrees, the first manipulator 13 performs spot welding on all the components in the first spot welding area 312, the second manipulator 14 continuously feeds the second spot welding area 313, so that the two spot welding areas can simultaneously perform feeding and spot welding work in a reciprocating manner, and the feeding and spot welding efficiency is improved.

Referring to fig. 4 and 9, in order to fix the position of the side shift frame 100 to be welded, the spot welding turntable 31 is provided with a spot welding clamping assembly 36, the spot welding clamping assembly 36 includes a first limit module 361, the first limit module 361 includes an upper beam cylinder 3611, a lower pressure cylinder 3612 and a lifting ring cylinder 3613 which are fixedly disposed on the first rotation table 311, the upper beam 1001 includes an upper tank body 10011 and a lower tank body 10012, the upper tank body 10011 and the lower tank body 10012 are fixedly connected to form an upper beam 1001 with an S-shaped cross section, at least two upper beam cylinders 3611 are provided, wherein the two upper beam cylinders 3611 are disposed at one end of the upper beam 1001 away from the lower beam 1006, and piston rods of the two upper beam cylinders 3611 are respectively abutted against the lower tank body 10012 for pushing the upper beam 1001 toward the lower beam 1006, one upper beam cylinder 3611 is disposed between the upper beam 1001 and the lower beam 1006 for pushing the upper beam 1001 toward the direction away from the lower beam 1006, the piston rod of the lower pressing cylinder 3612 is fixedly connected with a first connecting plate 36121 in a long strip shape, two ends of the first connecting plate 36121 in the length direction are respectively and fixedly connected with a lower pressing arm 36122, the lower pressing arm 36122 abuts against the upper groove body 10011 of the upper cross beam 1001, when the piston rod of the lower pressing cylinder 3612 contracts, the lower pressing arm 36122 is driven to move downwards to press the upper cross beam 1001, the lifting ring cylinder 3613 is positioned on one side of the upper cross beam 1001 away from the lower cross beam 1006, the piston rod of the lifting ring cylinder 3613 is fixedly connected with a lifting ring placing column 36131, a rotating arm 36132 is rotationally connected above the lifting ring placing column 36131, the rotating arm 36132 is fixedly connected with a pressure plate 36133, the first rotating table 311 is fixedly connected with a rotating motor 34, the output shaft of the rotating motor 34 is fixedly connected with the rotating arm 36132, when the lifting ring 1003 is placed in a placing groove of the lifting ring 1003, the rotating motor 34 drives the rotating arm 36132 to rotate to drive a pressure plate 36133 to press the lifting ring 1003, the piston rod of the lifting ring air cylinder 3613 contracts to drive the lifting ring placing column 36131 to move towards the upper cross beam 1001, so that the lifting ring 1003 abuts against the upper cross beam 1001.

Referring to fig. 5 and 6, two placing columns 35 for placing the oil cylinder support 1004 are fixedly arranged on the first rotating table 311, the two placing columns 35 are located between the upper beam 1001 and the lower beam 1006, four first through holes 317 are formed on the first rotating table 311, the spot welding clamping assembly 36 further comprises an oil cylinder support cylinder group 3614, the oil cylinder support cylinder group 3614 is located at one side of the first rotating table 311 near the fixing seat 319, the oil cylinder support cylinder group 3614 comprises a first oil cylinder support cylinder 36141 and a second oil cylinder support cylinder 36145, the pushing direction of the first oil cylinder support cylinder 36141 is perpendicular to the pushing direction of the second oil cylinder support cylinder 36145, a piston rod of the first oil cylinder support cylinder 36141 is fixedly connected with a first push plate 36142, the first push plate 36142 passes through the first through hole 317, the first push plate 36142 is fixedly connected with a first connecting rod 36143, one end of the first connecting rod 36143 far from the first push plate 36142 is fixedly connected with a second connecting rod 36144, and the length directions of the first connecting rod 36143 and the second connecting rod 36144 are mutually perpendicular, the second cylinder support cylinder 36145 is positioned at one end of the second connecting rod 36144 far away from the first connecting rod 36143, a piston rod of the second cylinder support cylinder 36145 passes through the second connecting rod 36144 and is fixedly connected with the second push plate 36146, the second push plate 36146 passes through the first through hole 317, chamfers are arranged on the second push plate 36146 so as to be in fit with the shape of the cylinder support 1004, the number of cylinder support cylinder groups 3614 corresponds to the number of cylinder supports 1004 one by one, when the cylinder support 1004 is placed on the placing column 35, the first cylinder support cylinder 36141 drives the first push plate 36142 to move towards the second push plate 36146 so as to enable the cylinder support 1004 to prop against the first push plate 36142, the second cylinder support cylinder 36145 drives the second push plate 36146 to move towards the upper beam 1001 so as to enable the second push plate 36146 to prop against the cylinder support 1004, so that the cylinder mount 1004 is clamped between the first push plate 36142 and the second push plate 36146 and abuts against the upper cross member 1001.

Referring to fig. 4 and 5, the spot welding clamping assembly 36 includes a second limit module 362, the second limit module 362 includes a vertical beam pushing cylinder 3621, a pushing cylinder 3622 and a reinforcement cylinder 3623 fixedly disposed on the first rotating table 311, the vertical beam pushing cylinder 3621 is provided with two, the two vertical beam pushing cylinders 3621 are respectively disposed at one ends of the two vertical beams 1002 in the length direction, the two vertical beam pushing cylinders 3621 are disposed near the upper cross beam 1001, the first rotating table 311 is fixedly provided with two vertical beam stoppers 315, the two vertical beam stoppers 315 are respectively disposed at one ends of the two vertical beams 1002 away from the vertical beam pushing cylinders 3621, piston rods of the two vertical beam pushing cylinders 3621 respectively abut against the two vertical beams 1002 for pushing the vertical beams 1002 toward the vertical beam stoppers 315, the first rotating table 311 is fixedly provided with at least one pushing stopper 316, the pushing cylinder 3622 and the pushing stopper 316 are respectively disposed at one side of the two vertical beams 1002 facing away from each other, the piston rod of push cylinder 3622 supports a vertical beam 1002 for push vertical beam 1002 towards push dog 316 direction, reinforcing bar cylinder 3623 is located one side that first rotating table 311 is close to fixing base 319, the quantity of reinforcing bar cylinder 3623 and the quantity one-to-one of reinforcing bar, four second through-holes 318 are offered to the reinforcing bar in this application on taking four as the example to show, four second through-holes 318 are located side shift frame 100's four corners below respectively on the first rotating table 311, reinforcing bar cylinder 3623's piston rod fixedly connected with reinforcing bar places post 3624, reinforcing bar places post 3624 and passes second through-holes 318, when placing four reinforcing bars on reinforcing bar place post 3624 respectively, four reinforcing bar cylinder 3623's piston rod stretches out and drives reinforcing bar place post 3624 and remove, make the reinforcing bar support tightly in side shift frame 100's four corners department.

Referring to fig. 6 and 9, the spot welding clamping assembly 36 further includes a third limiting module 363, the third limiting module 363 includes a lower beam cylinder 3631 and a lower slider seat cylinder 3633 fixedly disposed on the first rotating table 311, the lower beam cylinder 3631 is located at one end of the lower beam 1006 away from the upper beam 1001, a piston rod of the lower beam cylinder 3631 is fixedly connected with a "U" shaped pulling plate 3632, the lower beam 1006 is located above the pulling plate 3632, two lower beam stoppers 314 are fixedly disposed on the first rotating table 311, the two lower beam stoppers 314 are located at two ends of the lower beam cylinder 3631, when the piston rod of the lower beam cylinder 3631 drives the pulling plate 3632 to move, the inner wall of the pulling plate 3632 abuts against the lower beam 1006, the lower beam cylinder 3631 is used for pulling the lower beam 1006 towards the direction of the lower beam stoppers 314, the lower slider seat cylinder 3633 is located at one end of the lower beam 1006 away from the upper beam 1001, the piston rod of the lower slider seat cylinder 3633 is fixedly connected with a lower pressing frame 3634, the lower slider seat 3634 is located above the lower beam 1006, when the lower slider seat 1006 is placed on the lower beam 1006, the number of the lower slider seat 1005 is corresponding to the number of lower slider seats 1005 and the lower slider seat 3633 is pressed down.

Referring to fig. 2 and 7, the girth welding device 4 includes a girth welding manipulator 41, a fixed column 43 and a girth welding frame 42, the girth welding manipulator 41 is rotatably connected to the operation platform 7, the fixed column 43 is fixedly connected to the operation platform 7, one end of the fixed column 43, which is far away from the operation platform 7, is rotatably connected to a first rotary table 431, a rotary table connecting rod 432 is fixedly arranged on the first rotary table 431, two ends of the rotary table connecting rod 432 in the length direction are rotatably connected to a second rotary table 433, the second rotary table 433 is fixedly connected with the girth welding frame 42, a partition plate 44 is fixedly connected to the rotary table connecting rod 432, the partition plate 44 separates the two girth welding frames 42, the girth welding and the transfer of the side moving frames 100 are not mutually influenced, the rotary table connecting rod 432 can rotate 360 degrees around the axis of the first rotary table 431, the girth welding frame 42 can rotate 360 degrees around the axis of the second rotary table 433, the girth welding manipulator 41 is arranged on the same side as the second manipulator 14, and the end of the girth welding manipulator 41 is fixedly arranged with a girth welding gun for girth welding the side moving frames 100. The number of the girth welding frames 42 and the girth welding devices 4 is not limited, and the girth welding frames 42 and the girth welding devices 4 in the embodiment of the present application are shown by taking two examples, so as to improve the production efficiency of the side shifting frame 100.

Referring to fig. 7 and 9, the girth welding apparatus 4 further includes a girth welding clamping assembly 45 for fixing the position of the side frame 100, the girth welding clamping assembly 45 includes a girth welding positioning cylinder 451, an inner supporting positioning cylinder 452 and a rotating pressing cylinder 453 fixedly disposed on the girth welding frame 42 to press the upper and lower beams and the vertical beams 1002 of the side frame 100 on the girth welding frame 42, thereby limiting the side frame 100 completed by spot welding on the girth welding frame 42, and the kind and number of cylinders in the girth welding clamping assembly 45 are not limited, and the above cylinders are exemplified in the embodiment of the present application.

Referring to fig. 1 and 8, the conveying device 6 includes a transferring support 61, a sliding rod 62 and a grabbing frame 63, the transferring support 61 is fixedly arranged on the operating platform 7, the transferring support 61 is higher than the feeding device 1, the girth welding device 4 and the blanking frame 5, a sliding rail 611 is arranged above the transferring support 61, the sliding rail 611 extends along the length direction of the operating platform 7, the sliding rod 62 is slidably connected to the sliding rail 611, the sliding rod 62 is driven by a driving piece to move along the sliding rail 611, one end of the sliding rod 62, which is far away from the sliding rail 611, is fixedly connected with a grabbing cylinder 621, a piston rod of the grabbing cylinder 621 is fixedly connected with the grabbing frame 63, when the girth welding device 100 is required to be transferred onto the girth welding device 4 or the blanking frame 5, the driving piece drives the sliding rod 62 to move onto the girth welding device 63 to be moved onto the girth welding device 100, the grabbing cylinder 621 extends to enable the grabbing frame 63 to be retracted, the grabbing cylinder 621 continues to drive the sliding rod 62 to move onto the girth welding device 42 or the blanking frame 5, and the grabbing cylinder 621 extends to enable the welding device 100 to be conveyed onto the girth welding device 4 or the girth welding device 5 to be transferred onto the girth welding device 4 or the girth welding device 5, and the welding device is realized between the girth welding device and the girth welding device 4 and the girth welding device 5. The conveying device 6 in the embodiment of the present application adopts electromagnetic ferromagnetic attraction type to grasp and transport the lateral shifting frame 100.

The implementation process of the embodiment of the application is as follows: the first manipulator 13 sequentially grabs the upper beam 1001, the vertical beam 1002, the lower beam 1006 and the vertical beam 1002 to the pre-positioning device 2 for pre-positioning, then sequentially placing the pre-positioned upper beam 1001, the vertical beam 1002, the lower beam 1006 and the vertical beam 1002 on a placing station in the first spot welding area 312 on the first rotating table 311, rotating the spot welding turntable 31 by 180 degrees to enable the first spot welding area 312 to rotate to the second manipulator 14, sequentially grabbing the lower slider seat 1005, the reinforcing ribs, the hanging ring 1003 and the oil cylinder support 1004 by the second manipulator 14 to be assembled to corresponding placing positions, simultaneously, sequentially grabbing components by the first manipulator 13 to the placing station in the second spot welding area 313, continuously rotating the spot welding turntable 31 by 180 degrees, and fixing all components of the side moving frame 100 after the feeding of all components by the spot welding clamping assembly 36 in the following fixing sequence: two vertical beam pushing cylinders 3621 push vertical beams 1002 towards a vertical beam stop 315, a pushing cylinder 3622 pushes vertical beams 1002 towards a pushing stop 316, a lower beam cylinder 3631 pulls a pulling plate 3632 towards a lower beam stop 314 to enable a lower beam 1006 to be abutted against the lower beam stop 314, an upper beam cylinder 3611 arranged between the upper beam 1001 and the lower beam 1006 pushes the upper beam 1001 towards a direction away from the lower beam 1006, two upper beam cylinders 3611 arranged on one side of the upper beam 1001 away from the lower beam 1006 push the upper beam 1001 towards a direction close to the lower beam 1006, piston rod contraction of the lower cylinder 3612 drives a lower pressing arm 36122 to move downwards to press the upper beam 1001, a rotating motor 34 drives a rotating arm 36132 to rotate to drive a pressure plate 36133 to press a lifting ring 1003, piston rod contraction of the lifting ring cylinder 3613 drives a lifting ring placing column 36131 to move towards the upper beam 1001 to enable the lifting ring 1003 to be abutted against the upper beam 1001, the first oil cylinder support cylinder 36141 drives the first push plate 36142 to move towards the second push plate 36146, so that the oil cylinder support 1004 abuts against the first push plate 36142, the second oil cylinder support cylinder 36145 drives the second push plate 36146 to move towards the upper beam 1001, so that the second push plate 36146 abuts against the oil cylinder support 1004, the oil cylinder support 1004 is clamped between the first push plate 36142 and the second push plate 36146 and abuts against the upper beam 1001, the piston rod of the lower slider seat cylinder 3633 contracts to drive the lower pressing frame 3634 to move downwards so as to press the lower slider seat 1005 against the lower beam 1006, the piston rods of the four reinforcing rib cylinders 3623 extend to drive the reinforcing rib placing columns 3624 to move so that reinforcing ribs abut against four corners of the side moving frame 100, and the spot welding gun 1311 of the first manipulator 13 performs spot welding on all parts of the fixed side moving frame 100, and the second manipulator 14 continues to feed the spot welding turntable 31.

When the spot welding of the side-moving frame 100 is completed, the driving piece drives the sliding rod 62 to move along the sliding rail 611 so as to drive the grabbing frame 63 to move to the upper side of the spot welding turntable 31, the grabbing cylinder 621 stretches out to enable the grabbing frame 63 to grab the side-moving frame 100, the grabbing cylinder 621 contracts, the driving piece continues to drive the sliding rod 62 to move to the upper side of the ring welding frame 42, the grabbing cylinder 621 stretches out to place the side-moving frame 100 on the ring welding frame 42, the ring welding clamping assembly 45 fixes the side-moving frame 100 on the ring welding frame 42, the turntable connecting rod 432 rotates 360 degrees around the axis of the first turntable 431, and the ring welding frame 42 rotates 360 degrees around the axis of the second turntable 433 so that the ring welding manipulator 41 performs ring welding on the side-moving frame 100.

When the circumferential welding of the side-moving frame 100 is completed, the driving piece drives the sliding rod 62 to move along the sliding rail 611 so as to drive the grabbing frame 63 to move to the upper side of the circumferential welding frame 42, the grabbing cylinder 621 stretches out to enable the grabbing frame 63 to grab the side-moving frame 100, the grabbing cylinder 621 contracts, the driving piece continues to drive the sliding rod 62 to move to the upper side of the blanking frame 5, the grabbing cylinder 621 stretches out to place the side-moving frame 100 on the blanking frame 5, and the blanking is completed.

The production line can realize the automatic grabbing, assembling, spot welding, ring welding and blanking of all parts of the side shifting frame 100, so that the mass production of the side shifting frame 100 is realized, the upper and lower cross beams and the vertical beams 1002 of the side shifting frame 100 are pre-positioned during feeding, the occurrence of dislocation of all parts of the side shifting frame 100 during assembling is reduced, the welding assembly efficiency of the side shifting frame 100 is improved, and the production efficiency of the side shifting frame 100 is improved.

The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, so: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. Automatic welding assembly line of side frame, its characterized in that includes:

2. The automatic side-shifting frame welding assembly line according to claim 1, wherein the beam positioning assembly (21) comprises a beam tensioning cylinder (214) fixedly connected to the first bracket (211), the beam tensioning cylinder (214) is located between the beam cylinder (212) and the beam baffle (213), the moving direction of a piston rod of the beam tensioning cylinder (214) is perpendicular to the moving direction of the piston rod of the beam cylinder (212), the vertical beam positioning assembly (22) comprises a vertical beam tensioning cylinder (224) fixedly connected to the second bracket (221), the vertical beam tensioning cylinder (224) is located between the vertical beam cylinder (222) and the vertical beam baffle (223), and the moving direction of the piston rod of the vertical beam tensioning cylinder (224) is perpendicular to the moving direction of the piston rod of the vertical beam cylinder (222).

3. The automatic side-shifting frame welding assembly production line according to claim 1, wherein the feeding device (1) further comprises a second manipulator (14) and two feeding rotary tables (12), two feeding rotary tables (12) are respectively connected with two feeding rotary tables (121) in a rotating mode, a motor is fixedly arranged in each feeding rotary table (12), an output shaft of the motor is fixedly connected with each feeding rotary table (121), a first placing seat (122) and a second placing seat (123) are respectively fixedly arranged on each feeding rotary table (121), each first placing seat (122) comprises two fixedly connected first placing plates (1221), each second placing seat (123) comprises two fixedly connected second placing plates (1231), and each first placing plate (1221) and each second placing plate (1231) are gradually far away from an inclined surface from top to bottom.

4. A side-shifting automatic welding assembly line according to claim 3, characterized in that the spot welding device (3) comprises a spot welding turntable (31) and a spot welding clamping assembly (36), the spot welding turntable (31) is mounted between the first manipulator (13) and the second manipulator (14), the spot welding turntable (31) is used for limiting the placement position of the side-shifting frame (100), the spot welding clamping assembly (36) comprises a first limiting module (361) for limiting the upper cross beam (1001) and the cylinder support (1004), the first limiting module (361) comprises an upper cross beam cylinder (3611) and a cylinder support cylinder group (3614) which are fixedly connected to the spot welding turntable (31), and the upper cross beam cylinder (3611) and the cylinder support cylinder group (3614) are respectively located on two sides of the upper cross beam (1001).

5. The automatic side-shifting frame welding assembly line according to claim 4, wherein the cylinder support cylinder group (3614) comprises a first cylinder support cylinder (36141) and a second cylinder support cylinder (36145), a piston rod of the first cylinder support cylinder (36141) is fixedly connected with a first push plate (36142), a piston rod of the second cylinder support cylinder (36145) is fixedly connected with a second push plate (36146), the first push plate (36142) is fixedly connected with a first connecting rod (36143), one end of the first connecting rod (36143) away from the first push plate (36142) is fixedly connected with a second connecting rod (36144), the first connecting rod (36143) is perpendicular to the length direction of the second connecting rod (36144), and the second cylinder support cylinder (36145) is located at one end of the second connecting rod (36144) away from the first connecting rod (36143).

6. The automatic side-shifting frame welding assembly line according to claim 4, wherein the spot welding clamping assembly (36) comprises a second limiting module (362), the second limiting module (362) comprises a pushing cylinder (3622), a pushing stop block (316) and a reinforcing rib cylinder (3623) which are fixedly connected to the spot welding turntable (31), the pushing cylinder (3622) and the pushing stop block (316) are respectively located at one side, deviating from the vertical beam (1002), of the pushing cylinder (3622), a piston rod of the pushing cylinder (3622) is propped against the vertical beam (1002) and the moving direction is perpendicular to the length direction of the vertical beam (1002), the reinforcing rib cylinder (3623) is located in the side-shifting frame (100) and corresponds to the number of reinforcing ribs one by one, and a piston rod of the reinforcing rib cylinder (3623) is fixedly connected with a reinforcing rib placing column (3624).

7. The automatic side-shifting frame welding assembly production line according to claim 4, wherein the spot welding clamping assembly (36) comprises a third limiting module (363) for pressing a lower beam (1006) and a lower sliding block seat (1005), the third limiting module (363) comprises a lower beam cylinder (3631) and a lower sliding block seat cylinder (3633) which are fixedly arranged on the spot welding turntable (31), a piston rod of the lower beam cylinder (3631) abuts against the lower beam (1006) and the moving direction is perpendicular to the length direction of the lower beam (1006), a piston rod of the lower sliding block seat cylinder (3633) is fixedly connected with a lower pressing frame (3634), the lower pressing frame (3634) is arranged above the lower beam (1006), and the lower pressing frame (3634) is driven to be pressed on the lower sliding block seat (1005) when the piston rod of the lower sliding block seat cylinder (3633) contracts.

8. The automatic side-shifting frame welding assembly line according to claim 7, wherein a piston rod of the lower beam cylinder (3631) is fixedly connected with a pulling plate (3632), the lower beam (1006) is located on the pulling plate (3632), a lower beam stop block (314) is fixedly arranged on the spot welding turntable (31), and the lower beam stop block (314) is located at one end of the lower beam (1006) far away from the upper beam (1001).

9. The automatic side-shifting frame welding assembly line according to claim 1, wherein the ring welding device (4) comprises a ring welding manipulator (41), a fixing column (43) and a ring welding frame (42), the ring welding manipulator (41) is close to one side of the ring welding frame (42), the ring welding manipulator (41) is used for ring welding the side-shifting frame (100), the fixing column (43) is rotationally connected with a first rotary table (431), a rotary table connecting rod (432) is fixedly arranged on the first rotary table (431), two ends of the rotary table connecting rod (432) in the length direction are rotationally connected with a second rotary table (433), and the second rotary table (433) is fixedly connected with the ring welding frame (42).

10. The automatic side-shifting frame welding assembly line according to claim 1, wherein the conveying device (6) comprises a transferring support (61), a sliding rod (62), a grabbing frame (63) and a grabbing cylinder (621), a sliding rail (611) is arranged above the transferring support (61), the sliding rod (62) is slidably connected to the sliding rail (611), the grabbing cylinder (621) is fixedly connected to the sliding rod (62), and a piston rod of the grabbing cylinder (621) is fixedly connected with the grabbing frame (63).