CN114211152A

CN114211152A - Stirring barrel auxiliary frame background assembly welding device and automatic welding system

Info

Publication number: CN114211152A
Application number: CN202111678415.0A
Authority: CN
Inventors: 刘治; 郑珍园; 杨天华; 郑军伟
Original assignee: Changsha Huaheng Robot System Co ltd
Current assignee: Changsha Huaheng Robot System Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-03-22

Abstract

The invention discloses a stirring barrel auxiliary frame background assembly welding device which comprises a turnover mechanism and a base arranged on the turnover mechanism, wherein a platform plate and a top plate fixing mechanism are arranged at the upper part of the base, the platform plate is used for bearing a top plate to be welded and fixing the top plate through the top plate fixing mechanism, a rib plate fixing mechanism capable of being turned over up and down is hinged to the front side part of the base, the rib plate fixing mechanism is used for adsorbing two rib plates and limiting the two rib plates on the top plate after the rib plate fixing mechanism is turned over upwards to the upper part of the platform plate so as to facilitate welding operation of a welding robot on the rib plates and the back plate, a side plate fixing mechanism is arranged on each of the left side part and the right side part of the base and is used for limiting the side plates when the side plates are welded so as to enable the side plates to be kept limited when the turnover mechanism drives the base to turn over. The invention also discloses an automatic welding system. The invention has the advantages of simple and compact structure, convenient and fast operation, high automation degree, good welding effect, greatly improved working efficiency and greatly reduced labor cost.

Description

Stirring barrel auxiliary frame background assembly welding device and automatic welding system

Technical Field

The invention mainly relates to the field of automatic welding production, in particular to a stirring barrel auxiliary frame back-chassis assembly welding device and an automatic welding system.

Background

In modern production, welding is increasingly used. For example, a stirring barrel of a welding stirring truck, a water tank body of a watering cart and the like, and an auxiliary frame background of the stirring barrel. The background structure of the auxiliary frame of the mixing tank is quite special, as shown in fig. 17, the auxiliary frame is provided with a top plate A, two symmetrical rib plates B are welded at the bottom of the top plate A, then a front plate D and a rear plate C are welded with the top plate A and the rib plates B respectively, and finally two side plates E are welded with the top plate A, the front plate D and the rear plate C respectively (only one side plate E is shown in the figure). The sub vehicle frame background of the mixing drum has the following technical problems in the assembly welding process:

firstly, degree of automation is low, and agitator sub vehicle frame backstage is oversize, weight is heavier, shifts when welding, upset welding, needs the large-scale work piece of artifical transport, and this not only very troublesome, consuming time long, work efficiency is low, but also needs many people to participate in jointly and exert oneself, leads to the human cost high, takes place to pound even occasionally and hinders, cuts risks such as wounded.

Secondly, the welding requirement is high, and agitator sub vehicle frame backstage needs to carry out diversified welding to different faces, different boards, also when welding agitator sub vehicle frame backstage, needs the transform operation face many times, also needs the messenger work piece upset many times, and this has increased the operation degree of difficulty undoubtedly.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, provides the auxiliary frame background assembly welding device for the stirring barrel, which has the advantages of simple and compact structure, convenience and quickness in operation, high automation degree and good welding effect, can greatly improve the working efficiency and greatly reduce the labor cost, and also provides an automatic welding system.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a stirring barrel sub vehicle frame backstage group is to welding set for with welding robot, tongs robot cooperation operation, including tilting mechanism and install the base on tilting mechanism, the base is used for fixed tongs robot to grab the work piece of treating welding that comes, tilting mechanism is used for driving the base upset, so that welding robot welds the work piece, the upper portion of base is equipped with landing slab and roof fixed establishment, the landing slab is used for bearing the roof of treating welding and fixes the roof through roof fixed establishment, articulated on the front side portion of base have can overturn from top to bottom gusset fixed establishment, be used for adsorbing two gusset and spacing on the roof after gusset fixed establishment overturns to the landing slab top up so that welding robot welds gusset and backplate operation, all be equipped with a curb plate fixed establishment on the left side portion and the right side portion of base, When the side plate is welded, the side plate is limited so that the side plate can be kept limited when the turnover mechanism drives the base to turn over.

As a further improvement of the present invention, the top plate fixing mechanism includes more than one second electromagnetic suction plate which is tiled, and the second electromagnetic suction plate is disposed close to the platen plate and used for sucking and limiting the top plate which falls on the platen plate.

As a further improvement of the present invention, the top plate fixing mechanism includes more than two positioning columns protruding from the platform plate, and the positioning columns are inserted into the positioning holes of the top plate to position and limit the top plate on the platform plate.

As a further improvement of the present invention, the top plate fixing mechanism includes more than one limit hook movably disposed in the positioning column, the positioning column is provided with an opening for pressing the top plate downward when the limit hook is pressed into the opening, the middle part of the limit hook is hinged to the middle part of the positioning column through a first rotating shaft, the lower part of the limit hook extends into the lower part of the platform plate and is hinged to the first connecting rod, the lower end of the first connecting rod is hinged to the driving end of the first driving oil cylinder vertically arranged, and the limit hook is pressed into the opening downward when the first driving oil cylinder pulls the first connecting rod downward or is turned upward to prevent the top plate from being blocked when the first driving oil cylinder pushes the first connecting rod upward.

As a further improvement of the invention, two first electromagnetic suction plates which are symmetrically arranged are arranged on the rib plate fixing mechanism, and when the rib plate fixing mechanism is turned upwards to be above the platform plate, the two first electromagnetic suction plates respectively suck and limit the two rib plates on the top plate.

As a further improvement of the invention, two sets of sliding rail assemblies are arranged on the rib plate fixing mechanism, and the first electromagnetic suction plate is adjustably fixed on the rib plate fixing mechanism through the sliding rail assemblies so as to adjust the position of the first electromagnetic suction plate according to the requirements of rib plates with different specifications.

As a further improvement of the invention, the rib plate fixing mechanism comprises a turnover platform, a turnover rod, a second connecting rod and a second driving oil cylinder, wherein the two first electromagnetic suction plates are arranged on the turnover platform, the second driving oil cylinder is transversely arranged on the base, the upper end of the second connecting rod is hinged to the base, the lower end of the second connecting rod is hinged to the turnover rod, the front end of the turnover rod extends out of the base and is fixedly connected with the turnover platform, the rear end of the turnover rod is hinged to the driving end of the second driving oil cylinder and is used for driving the turnover platform to turn upwards to be in an upright state when the second driving oil cylinder pushes the turnover rod forwards.

As a further improvement of the invention, the side plate fixing mechanism comprises a third driving oil cylinder, a third connecting rod, a pressure rod and a pressure block, the third driving oil cylinder is transversely arranged on the base, one end of the third connecting rod is hinged with the base, the other end of the third connecting rod is connected with the pressure rod, one end of the pressure rod is hinged with the driving end of the third driving oil cylinder, the pressure block is arranged at the other end of the pressure rod, and the third driving oil cylinder extends forwards and is used for pushing the pressure rod to be turned upwards to be in an upright state so as to enable the pressure block to be pressed on the side plate during operation.

As a further improvement of the present invention, the turnover mechanism includes a vertical base and a rotating arm, one end of the rotating arm is mounted on the vertical base through a vertical rotation driving assembly for enabling the rotating arm to rotate in a vertical direction under the driving of the vertical rotation driving assembly, a horizontal rotation driving assembly is disposed on the other end of the rotating arm, the base is mounted on the rotating arm through the horizontal rotation driving assembly, and during a welding operation, the vertical rotation driving assembly and the horizontal rotation driving assembly are mutually matched for enabling the base to drive the workpiece to be welded to rotate in a vertical direction and/or a horizontal direction so as to facilitate a gripper robot to grip the workpiece and/or a welding robot to weld the workpiece.

The utility model provides an automatic change welding system, is equipped with welding robot, tongs robot, still is equipped with as above arbitrary agitator sub vehicle frame backstage group to welding set, the tongs robot is used for snatching to treat welding workpiece and carry to agitator sub vehicle frame backstage group to welding set on, welding robot is used for welding the work piece of agitator sub vehicle frame backstage group on welding set.

Compared with the prior art, the invention has the advantages that:

the auxiliary frame background group of the stirring barrel is matched with the welding device, so that the welding device is good in welding effect and high in welding efficiency, the working efficiency is greatly improved, and the labor cost is greatly reduced.

The welding device for the auxiliary frame rear-end group of the stirring barrel is specially designed for the special structure of the auxiliary frame rear-end group of the stirring barrel, not only can realize the position fixing of each component during welding, but also can realize the rotation of a plurality of angles to match the welding, so that different surfaces and different plates can be welded in an all-round manner, the welding precision is high, the welding effect is good, the occupied space of the device is small, and the installation and the operation are convenient.

Thirdly, according to the stirring barrel auxiliary frame back-chassis assembly welding device, the tiled second electromagnetic absorption plate can not only bear the top plate to be used as a bearing foundation for subsequent welding, but also can electromagnetically absorb the top plate, so that the fixing effect is good, and the subsequent welding operation of other plates is facilitated. The reference column can cooperate further spacingly firstly for behind the roof card gone into the reference column more than two, more can not take place the displacement, further make fixed effectual. Secondly, have the location effect, when being convenient for tongs robot to snatch the roof, the roof is in the location position on the landing slab all the time, and the location fit of other follow-up plates of being convenient for has further ensured holistic welding precision.

Fourth, according to the auxiliary frame back-stage assembly welding device for the stirring barrel, the first electromagnetic suction plate is good in adsorption effect, and can be adsorbed on the surface, so that good surface support can be formed, and the rib plates cannot be subjected to extrusion deformation and welding deformation during welding.

Fifthly, due to the design of the auxiliary frame back-stage assembly welding device of the stirring barrel and the rib plate fixing mechanism, firstly, the structure is simple and compact, and excessive space cannot be occupied; secondly, the special structure of the auxiliary frame background of the stirring barrel is specially designed, so that the auxiliary frame can not be turned upwards before operation, and the platform plate cannot be prevented from falling; the two rib plates can be turned upwards in operation to limit and support the two rib plates, so that the two rib plates can be conveniently welded and fixed and the rear plate can be conveniently welded and fixed; but also can be withdrawn when welding the front plate so that no obstruction is created to the welding installation of the front plate.

Sixthly, the auxiliary frame rear-end group of the stirring barrel is assembled to the welding device, and the rib plate fixing mechanism is designed, so that the structure is simple and compact, and excessive space cannot be occupied; secondly, to the special construction of agitator sub vehicle frame backstage and special design, can satisfy agitator sub vehicle frame backstage when rotatory upset is welded, make the lower part of curb plate tightly support the contact with front bezel, back plate, bottom plate, guaranteed splendid welding effect.

Seventhly, due to the design of the auxiliary frame rear-end group assembly welding device of the stirring barrel and the side plate fixing mechanism, firstly, the structure is simple and compact, and excessive space cannot be occupied; secondly, to the special construction of agitator sub vehicle frame backstage and special design, can satisfy agitator sub vehicle frame backstage when rotatory upset is welded, make the lower part of curb plate tightly support the contact with front bezel, back plate, bottom plate, guaranteed splendid welding effect.

Eighthly, the vertical rotation driving assembly and the horizontal rotation driving assembly are matched with each other in the welding device for the auxiliary frame rear group of the stirring barrel, and the special structural design can be matched with and mutually support a plurality of limiting fixing mechanisms on the base: just by the limit fixing mechanisms, the plurality of plates on the base are fixed, so that the workpieces to be welded can rotate in the vertical direction and/or the horizontal direction. Just because the work piece of treating welding can carry out the rotation of vertical direction and/or horizontal direction, just guaranteed that the welding effect is splendid, area is little, this group forms efficient operation cooperation between each equipment of welding set, welding robot, tongs robot.

The automatic welding system is provided with the welding robot, the gripper robot and the auxiliary frame and rear group assembly welding device of the stirring barrel, so that the automatic welding system is high in automation degree, small in occupied space, good in welding effect and high in welding efficiency, the working efficiency is greatly improved, and the labor cost is greatly reduced.

Drawings

Fig. 1 is a schematic diagram of a three-dimensional structure principle of a welding device for the auxiliary frame rear assembly of the stirring barrel.

Fig. 2 is a schematic diagram of a partial structural principle of the welding device for the auxiliary frame rear assembly of the stirring barrel.

Fig. 3 is a schematic diagram of a three-dimensional structure of the limiting hook according to the present invention.

FIG. 4 is a schematic side view of the rib plate fixing mechanism of the present invention when it is not turned over.

FIG. 5 is a schematic diagram of the side view of the rib plate fixing mechanism of the present invention when turned over.

FIG. 6 is a schematic view of a partial three-dimensional structure of the rib plate fixing mechanism of the present invention when it is not turned over.

Fig. 7 is a schematic diagram of a partial three-dimensional structure of the rib plate fixing mechanism of the invention when being turned up.

Fig. 8 is a schematic perspective view of the side plate fixing mechanism of the present invention when it is not turned over.

Fig. 9 is a schematic perspective view of the side plate fixing mechanism of the present invention when turned over.

Fig. 10 is a schematic structural principle diagram 1 of the assembly welding device for the auxiliary frame rear assembly of the stirring barrel in operation.

Fig. 11 is a schematic structural principle diagram 2 of the assembly welding device for the auxiliary frame rear assembly of the stirring barrel in operation.

Fig. 12 is a schematic structural principle diagram 3 of the assembly welding device for the auxiliary frame rear assembly of the stirring barrel in operation.

Fig. 13 is a schematic structural principle diagram 4 of the assembly welding device for the auxiliary frame rear assembly of the stirring barrel in operation.

Fig. 14 is a schematic structural principle diagram 5 of the assembly welding device for the sub-frame rear group of the agitator tank of the present invention during operation.

Fig. 15 is a schematic structural principle diagram 6 of the assembly welding device for the auxiliary frame rear assembly of the stirring barrel in operation.

FIG. 16 is a schematic perspective view of an automated welding system of the present invention.

Fig. 17 is a schematic perspective view of a background of an auxiliary frame of a mixing drum in the prior art.

The reference numerals in the figures denote:

1. a base; 2. a platform plate; 3. a top plate fixing mechanism; 31. a second electromagnetic suction plate; 32. a positioning column; 33. a limiting hook; 331. a first rotating shaft; 34. a first connecting rod; 35. a first drive cylinder; 4. a rib plate fixing mechanism; 41. a first electromagnetic suction plate; 42. overturning the platform; 43. a turning rod; 44. a second connecting rod; 45. a second driving oil cylinder; 5. a side plate fixing mechanism; 51. a third driving oil cylinder; 52. a third connecting rod; 53. a pressure lever; 54. briquetting; 6. a turnover mechanism; 61. a vertical seat; 62. a rotating arm; 63. a vertical rotation drive assembly; 64. a horizontal rotation drive assembly; 7. a welding robot; 8. and a gripper robot.

Detailed Description

The invention will be described in further detail below with reference to the drawings and specific examples.

As shown in fig. 1 to 17, the invention provides a welding device for assembling an auxiliary frame and a rear frame of a mixing tank to each other, which is used for cooperating with a welding robot and a gripper robot, for the convenience of understanding, a welding robot 7 and a gripper robot 8 are arranged in fig. 15, and the gripper robot 8 grips a workpiece by electromagnetic absorption and moves. The device comprises a turnover mechanism 6 and a base 1 arranged on the turnover mechanism 6, wherein the lower end of the turnover mechanism 6 is provided with a base (shown in figure 1) for supporting the turnover mechanism 6. The base 1 is used for fixing workpieces to be welded (as shown in fig. 17, the workpieces to be welded comprise a top plate A, two symmetrical rib plates B, a front plate D, a rear plate C and two side plates E which are used for forming a background of an auxiliary frame of the stirring barrel), the turnover mechanism 6 is used for driving the base 1 to turn over so as to facilitate the welding robot to weld the workpieces, the upper portion of the base 1 is provided with a platform plate 2 and a top plate fixing mechanism 3, the platform plate 2 is used for bearing the top plate to be welded and fixing the top plate through the top plate fixing mechanism 3, the front side portion of the base 1 is hinged with a rib plate fixing mechanism 4 capable of turning over up and down, the rib plate fixing mechanism 4 is used for adsorbing and limiting the two rib plates on the top plate so as to facilitate the welding robot to weld the rib plates and the back plate after turning over to the platform plate 2, the left side portion and the right side portion of the base 1 are respectively provided with a side plate fixing mechanism 5, When the side plate is used for welding the side plate, the side plate is limited so that the side plate can be kept limited when the turnover mechanism 6 drives the base 1 to turn over. The specific implementation principle is as follows:

before operation, as shown in the states of fig. 1, 4 and 10, the rib plate fixing mechanism 4 is not turned upwards, and cannot obstruct the platform plate 2.

In operation, the gripper robot 8 first grips the top plate and places it on the bed plate 2 of the base 1, and then the top plate fixing mechanism 3 fixes the top plate, in this state shown in fig. 10. And then the gripper robot 8 grips the right rib plate and places the right rib plate on the top plate, and the rib plate fixing mechanism 4 turns upwards to be above the platform plate 2, and then the rib plate is adsorbed and fixed. And the gripper robot 8 is used for adsorbing and fixing the right side surface of the rib plate, and the rib plate fixing mechanism 4 is used for adsorbing and fixing the left side surface of the rib plate as shown in the figure. Namely, the rib plate fixing mechanism 4 and the gripper robot 8 are in a clamping shape, and the rib plates are clamped and fixed together, so that the fixing effect is good. After the fixation, the welding robot 7 welds and fixes the contact position of the right rib plate and the bottom plate. This time as shown in fig. 11. Then the gripper robot 8 grabs the left rib plate and places the left rib plate on the top plate, and the contact position of the left rib plate and the bottom plate is welded and fixed by the welding robot 7 according to the technical idea.

Then the gripper robot 8 grips the rear plate and places it on the top plate, abutting against the rear plate from behind. At the moment, the two rib plates are welded and fixed with the top plate, and the rib plate fixing mechanism 4 still adsorbs and fixes the two rib plates, so that excellent support can be formed for the rib plates, and the gripper robot 8 can tightly support the back plate on the two rib plates. And then the welding robot 7 welds and fixes the rear plate and the two rib plates and the contact part of the rear plate and the bottom plate. This time in the state shown in fig. 12.

Then the rib plate fixing mechanism 4 turns downwards to return, and the gripper robot 8 grips the front plate and places the front plate on the top plate to tightly abut against the front plate from the rear. At the moment, the rear plate, the two rib plates and the bottom plate are welded into a whole, so that the stability is good, and even if the rib plate fixing mechanism 4 is withdrawn, the front plate is not affected to be tightly abutted. And the rib plate fixing mechanism 4 also needs to be withdrawn so as not to form a barrier for the installation of the front plate. And then the welding robot 7 welds and fixes the front plate and the two rib plates and the contact positions of the front plate and the bottom plate. This time in the state shown in fig. 13.

Then, the gripper robot 8 grips the right side plate and tightly abuts the right side plate to be in contact with the front plate, the rear plate and the bottom plate. And then the welding robot 7 performs welding and fixing on the upper welding part of the right side plate. At this time, since the front plate, the two rib plates, the rear plate and the bottom plate are all installed in place, the operation space of the welding robot 7 is lost, and the lower part of the right side plate is not convenient to weld. After the upper portion of the right side plate is welded and fixed, the gripper robot 8 is removed and does not grip the right side plate (in this case, the state shown in fig. 14). Then, the turnover mechanism 6 drives the base 1 to turn over, so that the right side plate is displaced to approach the gripper robot 8, and the gripper robot 8 is convenient to weld the lower part of the right side plate (in this case, the state shown in fig. 15). In this displacement in-process, because tongs robot 8 has removed, for the contact that the lower part of guaranteeing the right side board can tightly support with front bezel, back plate, bottom plate (otherwise the lower part gap is too wide, can not weld or the welding effect is poor), before the displacement, the curb plate fixed establishment 5 of the right side portion of base 1 can tightly support the right side board tightly spacing, then welding robot 7 carries out welded fastening to the right side board. This time in the state shown in fig. 15.

Through the special scientific design, the method has the following technical advantages:

Further, in the preferred embodiment, the top plate fixing mechanism 3 includes more than one second electromagnetic suction plate 31 that tiles, and the second electromagnetic suction plate 31 is disposed near the platform plate 2 and used for adsorbing and limiting the top plate that falls on the platform plate 2. The second electromagnetic absorption plate 31 laid horizontally can not only bear the top plate so as to serve as a bearing foundation for subsequent welding, but also can electromagnetically absorb the top plate so as to achieve good fixing effect and facilitate subsequent welding operation of other plates.

As shown in fig. 2, 3 and 10, further, in the preferred embodiment, the top plate fixing mechanism 3 includes two or more positioning posts 32 protruding from the platform plate 2, and the positioning posts 32 are used to be inserted into the positioning holes of the top plate to position and limit the top plate on the platform plate 2. Reference column 32 can cooperate further spacingly for behind the roof card gone into reference column 32 more than two, more can not take place the displacement, further make fixed effectual. Secondly, have the location effect, when being convenient for tongs robot 8 snatch the roof, the roof is in the location position on the landing slab 2 all the time, and the location fit of follow-up other plates of being convenient for has further ensured holistic welding precision.

As shown in fig. 2, 3 and 10, further, in a preferred embodiment, the top plate fixing mechanism 3 includes more than one limiting hook 33 movably disposed in the positioning column 32, the positioning column 32 is provided with an opening for pressing the top plate downwards when the limiting hook 33 is pressed into the opening, a middle portion of the limiting hook 33 is hinged to the middle portion of the positioning column 32 through a first rotating shaft 331, a lower portion of the limiting hook 33 extends into the lower portion of the platform 2 and is hinged to a first connecting rod 34, a lower end of the first connecting rod 34 is hinged to a driving end of a vertically arranged first driving cylinder 35, and the limiting hook 33 is turned upwards to not block the top plate when the first driving cylinder 35 pulls the first connecting rod 34 downwards and presses the limiting hook 33 into the opening downwards or pushes the first connecting rod 34 upwards. The limiting hook 33 is arranged in the positioning column 32, so that the equipment space is saved, and the limiting hook is just positioned in the circumferential range of the positioning column 32 when being turned upwards, so that the top plate which is placed downwards cannot be blocked. And after the roof falls to put in place, first drive cylinder 35 is down pull first connecting rod 34, makes first connecting rod 34 drive spacing collude 33 and turns over downwards, just in time impresses in the opening and compresses tightly the roof downwards, further makes the roof can not take place the displacement, further makes fixed effectual, the welding operation of other follow-up plates of being convenient for.

As shown in fig. 1, 4, and 5, further, in the preferred embodiment, two first electromagnetic suction plates 41 are symmetrically disposed on the rib plate fixing mechanism 4, and when the rib plate fixing mechanism 4 is turned upwards to be above the platform plate 2, the two first electromagnetic suction plates 41 respectively suck and limit the two rib plates on the top plate. The first electromagnetic suction plate 41 has a good adsorption effect, and can form a good surface support by surface adsorption, so that the rib plate cannot be subjected to extrusion deformation and welding deformation during welding.

Further, in a preferred embodiment, two sets of sliding rail assemblies are arranged on the rib plate fixing mechanism 4, and the first electromagnetic suction plate 41 is adjustably fixed to the rib plate fixing mechanism 4 through the sliding rail assemblies so as to adjust the position of the first electromagnetic suction plate 41 according to the requirements of rib plates of different specifications. The first electromagnetic suction plate 41 slides up and down in the slide rail assembly, and screws are tightened after the first electromagnetic suction plate slides in place so as to keep the first electromagnetic suction plate fixed. This further improves the suitability of this device, can satisfy the gusset welding demand according to the agitator sub vehicle frame backstage of different specifications.

As shown in fig. 1 and 4 to 7, further, in a preferred embodiment, the rib plate fixing mechanism 4 includes a turning platform 42, a turning rod 43, a second connecting rod 44 and a second driving oil cylinder 45, two first electromagnetic suction plates 41 are mounted on the turning platform 42, the second driving oil cylinder 45 is transversely disposed on the base 1, an upper end of the second connecting rod 44 is hinged to the base 1, and a lower end of the second connecting rod 44 is hinged to the turning rod 43, a front end of the turning rod 43 extends out of the base 1 for being fixedly connected to the turning platform 42, a rear end of the turning rod 43 is hinged to a driving end of the second driving oil cylinder 45, and the second driving oil cylinder 45 is used for driving the turning platform 42 to turn upward to be in an upright state when the turning rod 43 is pushed forward by the second driving oil cylinder 45.

The design of the rib plate fixing mechanism 4 is simple and compact in structure, and excessive space cannot be occupied; secondly, the special structure of the auxiliary frame background of the stirring barrel is specially designed, so that the auxiliary frame can not be turned upwards before operation, and the platform plate 2 cannot be prevented from falling; the two rib plates can be turned upwards in operation to limit and support the two rib plates, so that the two rib plates can be conveniently welded and fixed and the rear plate can be conveniently welded and fixed; but also can be withdrawn when welding the front plate so that no obstruction is created to the welding installation of the front plate.

As shown in fig. 1, 2, 8 and 9, further, in the preferred embodiment, the side plate fixing mechanism 5 includes a third driving cylinder 51, a third connecting rod 52, a pressing rod 53 and a pressing block 54, the third driving cylinder 51 is transversely disposed on the base 1, one end of the third connecting rod 52 is hinged to the base 1, the other end of the third connecting rod is connected to the pressing rod 53, one end of the pressing rod 53 is hinged to the driving end of the third driving cylinder 51, the pressing block 54 is disposed on the other end of the third driving cylinder 51, and the third driving cylinder 51 extends forward during operation and is used for pushing the pressing rod 53 to be turned up to an upright state so that the pressing block 54 is pressed on the side plate. The design of the side plate fixing mechanism 5 is simple and compact in structure, and excessive space cannot be occupied; secondly, to the special construction of agitator sub vehicle frame backstage and special design, can satisfy agitator sub vehicle frame backstage when rotatory upset is welded, make the lower part of curb plate tightly support the contact with front bezel, back plate, bottom plate, guaranteed splendid welding effect.

Further, in the preferred embodiment, the turnover mechanism 6 includes a vertical base 61 and a rotating arm 62, one end of the rotating arm 62 is mounted on the vertical base 61 through a vertical rotation driving assembly 63 for rotating the rotating arm 62 in the vertical direction under the driving of the vertical rotation driving assembly 63, a horizontal rotation driving assembly 64 is disposed on the other end of the rotating arm 62, the base 1 is mounted on the rotating arm 62 through the horizontal rotation driving assembly 64, during the welding operation, the vertical rotation driving assembly 63 and the horizontal rotation driving assembly 64 are mutually matched for enabling the base 1 to drive the workpiece to be welded to rotate in the vertical direction and/or the horizontal direction so as to facilitate the gripper robot to grip the workpiece and/or weld the workpiece by the welding robot. The special structural design can be matched with and mutually supported by the plurality of limiting fixing mechanisms on the base 1: just by the limit fixing mechanisms, the fixing of a plurality of plates on the base 1 is ensured, and the rotation of the workpiece to be welded in the vertical direction and/or the horizontal direction can be realized. Just because the work piece of treating welding can carry out the rotation of vertical direction and/or horizontal direction, just guaranteed that the welding effect is splendid, area is little, this group forms efficient operation cooperation between each equipment of welding set, welding robot, tongs robot. The vertical rotation driving assembly 63 has various structural forms, for example, a rotary gear disc design in the prior art can be adopted, the rotating arm 62 is rotatably fixed on the vertical seat 61 through the rotary gear disc, a rotating motor is arranged in the vertical seat 61, and a driving shaft of the rotating motor is connected with the rotating arm 62 to drive the rotating arm 62 to rotate. Or may take other forms, not all of which are described here.

As shown in fig. 16, the invention further provides an automatic welding system, which is provided with a welding robot 7, a gripper robot 8, and any stirring barrel subframe back-stage assembly welding device as described above, wherein the gripper robot 8 is used for gripping a workpiece to be welded and conveying the workpiece to the stirring barrel subframe back-stage assembly welding device, and the welding robot 7 is used for welding the workpiece on the stirring barrel subframe back-stage assembly welding device. Through the arrangement, the automatic welding system disclosed by the invention has the advantages of high automation degree, small occupied space, good welding effect and high welding efficiency, the working efficiency is greatly improved, and the labor cost is greatly reduced.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.

Claims

1. The utility model provides a stirring barrel sub vehicle frame backstage group is to welding set for with welding robot, tongs robot cooperation operation, its characterized in that: including tilting mechanism (6) and install base (1) on tilting mechanism (6), base (1) are used for fixed tongs robot to grab and come treat welding workpiece, tilting mechanism (6) are used for driving base (1) upset so that welding robot welds the work piece, the upper portion of base (1) is equipped with landing slab (2) and roof fixed establishment (3), landing slab (2) are used for bearing treat welded roof and fix the roof through roof fixed establishment (3), articulated on the preceding lateral part of base (1) have gusset fixed establishment (4) that can overturn from top to bottom, be used for when gusset fixed establishment (4) overturn up to landing slab (2) top after with two piece absorption and spacing on the roof so that welding robot to gusset and backplate welding operation, all be equipped with one curb plate fixed establishment (5) on the left part and the right flank part of base (1), When the side plate is used for welding the side plate, the side plate is limited so that the side plate can be kept limited when the base (1) is driven to turn by the turning mechanism (6).

2. The stirring barrel auxiliary frame back-chassis assembly welding device as claimed in claim 1, wherein: roof fixed establishment (3) include second electromagnetism suction disc (31) of more than the tiling, second electromagnetism suction disc (31) are close to landing slab (2) and set up, adsorb spacingly in order to be used for the roof that will drop on landing slab (2).

3. The stirring barrel auxiliary frame back-chassis assembly welding device as claimed in claim 1, wherein: roof fixed establishment (3) include that the protrusion sets up reference column (32) on landing slab (2) more than two, reference column (32) are used for inserting in the locating hole on the roof, in order to fix a position the roof and spacing on landing slab (2).

4. The stirring barrel auxiliary frame back-chassis assembly welding device as claimed in claim 3, wherein: roof fixed establishment (3) set up spacing colluding (33) in reference column (32) including more than one activity, seted up the opening on reference column (32), in order to be used for compressing tightly the roof downwards when spacing colluding (33) impress the opening, the middle part of spacing colluding (33) articulates in the middle part of reference column (32) through first rotation axis (331), the lower part of spacing colluding (33) stretches into landing slab (2) below and head rod (34) articulated, the lower extreme of head rod (34) and the drive end of the first actuating cylinder (35) of vertical arrangement are articulated, are used for making spacing colluding (33) impress the opening downwards when first actuating cylinder (35) draw head rod (34) downwards or make spacing colluding (33) turn over upwards when pushing away head rod (34) upwards stop in order not to the roof formation.

5. The stirring barrel auxiliary frame back-chassis assembly welding device as claimed in claim 1, wherein: two first electromagnetic suction plates (41) which are symmetrically arranged are arranged on the rib plate fixing mechanism (4), and when the rib plate fixing mechanism (4) is turned upwards to the position above the platform plate (2), the two rib plates are respectively adsorbed and limited on the top plate by the first electromagnetic suction plates (41).

6. The stirring barrel auxiliary frame back-chassis assembly welding device as claimed in claim 5, wherein: two sets of sliding rail assemblies are arranged on the rib plate fixing mechanism (4), and the first electromagnetic suction plate (41) is adjustably fixed on the rib plate fixing mechanism (4) through the sliding rail assemblies so as to be used for adjusting the position of the first electromagnetic suction plate (41) according to rib plate requirements of different specifications.

7. The stirring barrel auxiliary frame back-chassis assembly welding device as claimed in claim 5, wherein: gusset fixed establishment (4) are including upset platform (42), upset pole (43), second connecting rod (44) and second drive hydro-cylinder (45), two first electromagnetism suction disc (41) are installed on upset platform (42), second drive hydro-cylinder (45) transversal arrangement is on base (1), the upper end of second connecting rod (44) is articulated to be installed on base (1) and lower extreme and upset pole (43) are articulated, the front end of upset pole (43) stretches out base (1) and goes up outer being used for and upset platform (42) fixed connection, the rear end of upset pole (43) and the drive end of second drive hydro-cylinder (45) are articulated, be used for making upset pole (43) drive upset platform (42) upset up when second drive hydro-cylinder (45) promote upset pole (43) forward and be the state of erectting.

8. The stirring barrel auxiliary frame back-chassis assembly welding device as claimed in claim 1, wherein: curb plate fixed establishment (5) include third driving cylinder (51), third connecting rod (52), depression bar (53) and briquetting (54), third driving cylinder (51) transverse arrangement is on base (1), the one end and base (1) of third connecting rod (52) are articulated, and the other end and depression bar (53) are connected, the one end of depression bar (53) and the drive end of third driving cylinder (51) are articulated, and are equipped with briquetting (54) on the other end, during the operation third driving cylinder (51) stretch out forward, be used for promoting depression bar (53) to turn up and be erect the state so that briquetting (54) press locate on the curb plate.

9. The stirring barrel auxiliary frame back-chassis assembly welding device as claimed in claim 1, wherein: the turnover mechanism (6) comprises a vertical base (61) and a rotating arm (62), one end of the rotating arm (62) is installed on the vertical base (61) through a vertical rotation driving assembly (63) so as to enable the rotating arm (62) to rotate in the vertical direction under the driving of the vertical rotation driving assembly (63), a horizontal rotation driving assembly (64) is arranged at the other end of the rotating arm (62), the base (1) is installed on the rotating arm (62) through the horizontal rotation driving assembly (64), and during welding operation, the vertical rotation driving assembly (63) and the horizontal rotation driving assembly (64) are matched with each other and used for enabling the base (1) to drive a workpiece to be welded to rotate in the vertical direction and/or the horizontal direction so as to enable a gripper robot to grip the workpiece and/or weld the workpiece by the welding robot.

10. An automated welding system, comprising: the welding robot is provided with a welding robot (7), a gripper robot (8) and the stirring barrel auxiliary frame back-chassis group assembly welding device according to any one of claims 1 to 8, wherein the gripper robot (8) is used for gripping a workpiece to be welded and conveying the workpiece to the stirring barrel auxiliary frame back-chassis group assembly welding device, and the welding robot (7) is used for welding the workpiece on the stirring barrel auxiliary frame back-chassis group assembly welding device.