U-shaped part welding device

Abstract

The utility model discloses a U-shaped piece welding device which comprises a first conveying device, a clamp, a second conveying device and a mechanical arm, and the first conveying device comprises a first conveying line and a blocking structure; the clamp is detachably mounted in the U-shaped piece and is provided with a positioning part; the second conveying device comprises a conveying assembly and a positioning assembly, the conveying assembly is connected with the outlet end of the first conveying line, and at least one part of the positioning assembly is located above the conveying assembly; the manipulator is located on one side of the conveying assembly. Parts can be manually pre-welded to the U-shaped parts on the first conveying line, then the U-shaped parts can be positioned on the conveying assembly and the positioning assembly, a mechanical arm can conveniently and completely weld the parts, the clamps and the positioning assembly are arranged, the welding precision is improved, the mechanical arm is adopted for welding, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil tank manufacturing technical field especially relates to a U type piece welding set. BACKGROUND

[0002] In the production process of the oil tank, the U type piece and the L type piece need to be spliced, and some accessories need to be welded on the U type piece before the two are welded, the welding mode of the existing accessories mainly relies on manual operation, which is low in efficiency and low in precision. SUMMARY

[0003] The utility model discloses a U type piece welding set to solve at least one of the technical problems in the prior art.

[0004] The utility model discloses a technical scheme as follows, including first conveying device, clamp, second conveying device and manipulator, first conveying device includes first conveying line and installs the blocking structure on first conveying line, the blocking structure can block the U type piece on first conveying line, the clamp is detachably installed in the U type piece, and the clamp has the positioning part for positioning the part, second conveying device includes conveying assembly and positioning assembly, the U type piece on first conveying line can remove to conveying assembly, at least a part of positioning assembly is located above conveying assembly, and positioning assembly can position U type piece on conveying assembly in up-down direction, left-right direction and front-back direction, and the manipulator is located one side of conveying assembly and is used for welding the part on U type piece.

[0005] According to the U type piece welding set of the utility model, at least has following technical effect, the blocking structure is arranged on the first conveying line, can fix the U type piece on the first conveying line, and the clamp can detachably install on the U type piece, and then the worker can pre-weld the part on the U type piece through the clamp, and since the conveying assembly is connected with the first conveying line, the U type piece with pre-welded part can remove to the conveying assembly, and then is positioned through the positioning assembly, and the manipulator is convenient for complete welding of the part, since the clamp and the positioning assembly are arranged, improve the welding precision, and adopt the manipulator welding, improve the work efficiency.

[0006] Further, the first conveying device further includes a second conveying line, a first rack and a third conveying line arranged in sequence in the front-back direction, the first conveying line is rotatably installed on the first rack, and the conveying assembly is connected with the discharge end of the second conveying line.

[0007] Further, the first rack is installed with a mounting table capable of ascending and descending, and the first conveying line is rotatably installed on the mounting table.

[0008] Further, the blocking structure comprises two blocking blocks which can be lifted up and down, one of the blocking blocks is installed at the feeding end of the first conveying line, and the other blocking block is installed at the discharging end of the first conveying line.

[0009] Further, the clamp is provided with a first clamp, and the clamp is fixed in the U-shaped piece through the first clamp.

[0010] Further, the positioning assembly comprises a first positioning plate, a second positioning plate and a third positioning plate which can move left and right, the first positioning plate and the second positioning plate are arranged at intervals along the front-rear direction of the conveying assembly, the first positioning plate is movably arranged above the conveying assembly in the up-down direction, the second positioning plate can move in the up-down direction, the front-rear direction and the left-right direction and is arranged above the conveying assembly, the middle part of the side opposite to the first positioning plate of the second positioning plate and the middle part of the side opposite to the second positioning plate of the first positioning plate are provided with abutting blocks, and the third positioning plate is arranged on the left and right sides of the conveying assembly and is higher than the conveying assembly.

[0011] Further, the first positioning plate and the second positioning plate are provided with a second clamp for clamping the U-shaped piece on the side opposite to the first positioning plate and on the side opposite to the second positioning plate.

[0012] Further, the second positioning plate is provided as two, and a support frame which can move forward and backward is arranged on the left and right sides of the conveying assembly, and the second positioning plate which can move up and down and left and right is arranged on each support frame.

[0013] Further, the conveying assembly comprises two fourth conveying lines which are arranged at intervals left and right, a lifting device for lifting the U-shaped piece is arranged between the first positioning plate and the second positioning plate, a fifth conveying line is arranged on the left side of the conveying assembly, and a pushing device for pushing the U-shaped piece on the lifting device to the fifth conveying line is arranged on the right side of the conveying assembly.

[0014] Further, the pushing device is a pneumatic cylinder.

[0015] Additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the description, or will be learned by practice of the application. BRIEF DESCRIPTION OF DRAWINGS

[0016] Additional aspects and advantages of the present application will become apparent from the description of the technical solutions in conjunction with the following drawings, in which:

[0017] Figure 1The utility model discloses a structure schematic drawing of the U -shaped piece welding device's structure schematic drawing of the U -shaped piece welding device.

[0018] Figure 2 The structure schematic drawing of the clamp installation on the U -shaped piece is shown in the figure.

[0019] Figure 3 The structure schematic drawing of the first conveying device is shown in the figure.

[0020] Figure 4 The structure schematic drawing of the second conveying device is shown in the figure.

[0021] Figure 5 The structure schematic drawing of the positioning assembly is shown in the figure.

[0022] Figure 6 The left view of the positioning assembly positioning U -shaped piece is shown in the figure.

[0023] Figure 7 The top view of the positioning assembly positioning U -shaped piece is shown in the figure.

[0024] Figure 8 The structure schematic drawing of the second clamp installation on the second positioning plate is shown in the figure.

[0025] Fig. 1 is a structure schematic drawing of the first conveying device 100, the first conveying line 110, the blocking structure 120, the blocking block 121, the third conveying line 150, the first rack 140, the installation platform 141, the second conveying line 130, the U -shaped piece 200, the part 210, the horizontal straight plate 220, the vertical plate 230, the installation cavity 240, the side opening 250, the upper opening 260, the clamp 300, the positioning part 310, the first clamp 320, the second conveying device 400, the conveying assembly 410, the fourth conveying line 411, the lifting device 412, the fifth conveying line 413, the positioning assembly 420, the first positioning plate 421, the second positioning plate 422, the third positioning plate 423, the pressing block 424, the second clamp 425, the rotating rod 4251, the rotary cylinder 4252, the pressure head 4253, the support frame 426, the mechanical arm 500, the pushing device 600, the second rack 700, the moving seat 710, the second cylinder 720. DETAILED DESCRIPTION

[0026] The technical scheme of the utility model is described in detail below, and the examples of the technical scheme are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The technical scheme described below by referring to the drawings is exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.

[0027] In the description of the utility model, need understanding, if the direction description, for example, the direction or positional relation of indication such as upper, lower, front, back, left, right is based on the direction or positional relation shown in the drawing, is only for the convenience of describing the utility model and simplifying the description, and is not the indication or the implied device or element that must have the specific orientation, with specific orientation configuration and operation, therefore can not be understood as the restriction of the utility model.

[0028] In the description of the utility model, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, more than and the like are understood as not including the number, above, below, within and the like are understood as including the number.If there is a description to the first, second is only used for distinguishing the purpose of technical features, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0029] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0030] Referring to Figure 1 , 2 As shown in the utility model provides a U piece welding device including first conveying device 100, clamp 300, second conveying device 400 and manipulator 500, first conveying device 100 includes first conveying line 110 and installs on the blocking structure 120 of first conveying line 110, the blocking structure 120 can block the U piece 200 on first conveying line 110;Clamp 300 is detachably installed in U piece 200, clamp 300 has the positioning part 310 for positioning part 210;Second conveying device 400 includes conveying assembly 410 and positioning assembly 420, conveying assembly 410 is connected with the outlet end of first conveying line 110, at least a part of positioning assembly 420 is located above conveying assembly 410, positioning assembly 420 can position U piece 200 on conveying assembly 410 in up-down direction, left-right direction and front-back direction;Manipulator 500 is located on one side of conveying assembly 410, for welding part 210 on U piece 200.

[0031] The blocking structure 120 is arranged on the first conveying line 110, the U-shaped piece 200 can be fixed on the first conveying line 110, and the clamp 300 can be detachably mounted on the U-shaped piece 200, so that the worker can pre-weld the part 210 on the U-shaped piece 200 through the clamp 300, and the U-shaped piece 200 with the pre-welded part 210 can be moved to the conveying assembly 410 due to the connection of the conveying assembly 410 and the first conveying line 110, and then positioned by the positioning assembly 420, so as to facilitate the robot 500 to completely weld the part 210; due to the arrangement of the clamp 300 and the positioning assembly 420, the welding precision is improved, and the work efficiency is improved by using the robot 500 for welding.

[0032] Specifically, as shown in Figure 2 The U-shaped piece 200 includes a horizontal plate 220 and two vertical plates 230 arranged at two ends of the horizontal plate 220, and an installation cavity 240 is formed between the horizontal plate 220 and the two vertical plates 230, and the U-shaped piece has a side opening 250 and an upper opening 260 communicating with the installation cavity 240.

[0033] In work, the worker sends the U-shaped piece 200 with the upper opening 260 upward and the side opening 250 toward the left and right directions to the first conveying line 110, the blocking structure 120 blocks the movement of the U-shaped piece 200, so that the U-shaped piece 200 is fixed on the first conveying line 110, the worker then installs the clamp 300 in the U-shaped piece 200, and places the part 210 according to the position of the positioning part 310 of the clamp 300, the worker pre-welds the part 210 on the U-shaped piece 200, after pre-welding, the clamp 300 is taken out, the blocking structure 120 does not block the movement of the U-shaped piece 200, the worker pushes the U-shaped piece 200 to the conveying assembly 410 or the first conveying line 110 conveys the U-shaped piece 200 to the conveying assembly 410, the conveying assembly 410 drives the U-shaped piece 200 to move to the positioning assembly 420, the positioning assembly 420 positions the U-shaped piece 200 in the up-down direction, the left-right direction and the front-rear direction, so as to ensure that the robot 500 can accurately weld, after positioning, the robot 500 is started, and the robot 500 completes the welding of the part 210 on the U-shaped piece 200.

[0034] Specifically, the part 210 can be a fixed column, a horizontal rod or other parts inside an oil tank that need to be welded; the positioning part 310 is specifically designed according to the position that the part 210 needs to be positioned.

[0035] Specifically, as shown in Figure 3 The first conveying line 110 includes a mounting plate horizontally arranged and two rows of roller groups arranged on the mounting plate, the U-shaped piece 200 is manually pushed when located on the roller groups, or the first conveying line 110 includes a conveying belt, a driving wheel, a driven wheel and a motor, the U-shaped piece 200 is automatically conveyed by the conveying belt by starting the motor.

[0036] Specifically, the first conveying line 110 and the conveying assembly 410 both extend in the front-rear direction, and the U-shaped piece 200 moves in the front-rear direction.

[0037] Specifically, the mechanical arm 500 is located at the right side of the conveying assembly 410.

[0038] Further, as shown in the figure, the first conveying device 100 further comprises a second conveying line 130, a first rack 140 and a third conveying line 150 which are sequentially arranged in the front-rear direction, the first conveying line 110 is rotatably installed on the first rack 140, and the conveying assembly 410 is connected with the discharge end of the second conveying line 130. Figure 3

[0039] Since the first conveying line 110 can rotate, the U-shaped piece 200 can also rotate, which can facilitate workers to weld when the U-shaped piece 200 is large.

[0040] Specifically, the third conveying line 150 and the second conveying line 130 both comprise two rows of roller groups which are arranged at intervals, and the U-shaped piece can be moved to the conveying assembly 410 through the roller groups.

[0041] Specifically, the first rack 140 is installed with a driving device for rotating the first conveying line 110; the driving device is a motor.

[0042] Further, as shown in the figure, the first rack 140 is installed with a mounting table 141 which can be raised and lowered, and the first conveying line 110 is rotatably installed on the mounting table 141. Figure 3 By arranging the mounting table 141, the U-shaped piece 200 on the first conveying line 110 can be lifted to a certain height, which is suitable for workers of different heights, or the interval between the third conveying line 150 and the first conveying line 110 and the interval between the second conveying line 130 and the first conveying line 110 are smaller, which facilitates the movement of the U-shaped piece 200.

[0043] Further, as shown in the figure, the blocking structure 120 comprises two blocking blocks 121 which can be raised and lowered, one of which is installed at the feeding end of the first conveying line 110, and the other of which is installed at the discharge end of the first conveying line 110.

[0044] Figure 3 By arranging two blocking blocks 121 which can be raised and lowered, the U-shaped piece 200 can be fixed on the first conveying line 110, which facilitates the welding of workers.

[0045]

[0046] ​​​When entering the U-shaped piece 200, the two blocking blocks 121 are lowered in height, the external conveying structure or the worker conveys the U-shaped piece 200 to the third conveying line 150, the worker pushes the U-shaped piece 200 to the first conveying line 110, the two blocking blocks 121 are lifted in height, so that the U-shaped piece 200 is fixed in the first conveying line 110 and cannot move forward and backward, the clamp 300 is installed in the U-shaped piece 200, the part 210 is placed, and the worker pre-welds the part 210, wherein, during the welding process, the first conveying line 110 can be rotated according to the work requirement, after the pre-welding is completed, the two blocking blocks 121 are lowered in height, and the worker pushes the U-shaped piece 200 to the second conveying line 130, and then pushes the U-shaped piece 200 to the conveying assembly 410.

[0047] Further, as shown in Figure 2 , the clamp 300 is provided with a first clamp 320, and the clamp 300 is fixed in the U-shaped piece 200 through the first clamp 320; the first clamp 320 is fixed to facilitate the installation and disassembly of the clamp 300.

[0048] Specifically, one side of the second conveying device 400 is provided with a placing rack for placing the clamp 300; by being provided with the placing rack, the clamp 300 is convenient to take and place, and the work efficiency is improved.

[0049] Further, as shown in Figure 1 , 4 , 5, 6, 7, the positioning assembly 420 includes a first positioning plate 421, a second positioning plate 422 and a third positioning plate 423 which can move left and right, the first positioning plate 421 and the second positioning plate 422 are arranged in the front-rear direction of the conveying assembly 410, the first positioning plate 421 is movably arranged above the conveying assembly 410 in the up-down direction, the second positioning plate 422 is movably arranged above the conveying assembly 410 in the up-down direction, the front-rear direction and the left-right direction, the middle part of the side opposite to the first positioning plate 421 of the second positioning plate 422 and the middle part of the side opposite to the second positioning plate 422 of the first positioning plate 421 are provided with a pressing block 424, and the third positioning plate 423 is arranged on the left and right sides of the conveying assembly 410, and the third positioning plate 423 is higher than the conveying assembly 410.

[0050] Before positioning, as shown in Figure 2 , the first conveying device 100 conveys the U-shaped piece 200 with the upper opening 260 upward and the side opening 250 toward the left-right direction to the conveying assembly 410, as shown in Figure 6 , 7As shown, both the first positioning plate 421 and the second positioning plate 422 move upwards, making the pressing block 424 higher than the upper end of the U-shaped part 200. Simultaneously, the second positioning plate 422 moves to the left or right, moving away from directly above the first conveyor line 110, allowing the U-shaped part 200 to move between the first positioning plate 421 and the second positioning plate 422. The conveying assembly 410 drives the U-shaped part 200 forward, moving it between the first positioning plate 421 and the second positioning plate 422. Then, the vertical plate 230 in front of the U-shaped part 200 abuts against the portion of the first positioning plate 421 located below the pressing block 424. The first positioning plate 421 blocks the U-shaped part 200 from moving forward. Then, the second positioning plate 422 moves forward and moves above the conveying assembly 410, causing the first positioning plate 421 to move forward. The portion of plate 421 located below the pressing block 424 and the portion of the second positioning plate 422 located below the pressing block 424 move closer together, clamping the front and rear sides of the U-shaped part 200 to achieve front-back positioning. Then, both the first positioning plate 421 and the second positioning plate 422 move downwards, so that the pressing block 424 of the first positioning block abuts against the upper end of the vertical plate 230 in front of the U-shaped part 200 and the pressing block 424 of the second positioning block abuts against the upper end of the vertical plate 230 behind the U-shaped part 200 to achieve vertical positioning. Then, the third positioning plates 423 on the left and right sides of the third conveying component 410 move closer together, and the two third positioning plates 423 clamp the U-shaped part 200 to achieve horizontal positioning. Then, the robot arm 500 is started, and the robot arm 500 further welds the part 210.

[0051] Furthermore, such as Figure 5 As shown, a second clamp 425 for clamping the U-shaped part 200 is installed on the side of the first positioning plate 421 opposite to the second positioning plate 422 and on the side of the second positioning plate 422 opposite to the first positioning plate 421. The second clamp 425 is provided to prevent the U-shaped part 200 from disengaging from the first positioning plate 421 and the second positioning plate 422.

[0052] Specifically, such as Figure 8 As shown, the second clamp 425 includes a rotating rod 4251 and a rotary cylinder 4252. One end of the rotating rod 4251 is rotatably mounted on the first positioning plate 421 or the second positioning plate 422. The rotary cylinder 4252 is mounted on the first positioning plate 421 or the second positioning plate 422 and is used to drive the rotating rod 4251 to rotate. The other end of the rotating rod 4251 is provided with a lifting pressure head 4253. When positioning in the front and back direction is required, the rotary cylinder 4252 drives the rotating rod 4251 to rotate so that the rotating rod 4251 does not block the U-shaped piece 200 from abutting against the first positioning plate 421 or the second positioning plate 422. After abutting, the rotary cylinder 4252 drives the rotating rod 4251 to return to its original position, and the pressure head 4253 prevents the U-shaped piece 200 from disengaging from the first positioning plate 421 or the second positioning plate 422.

[0053] Further, as Figure 1 , 4 , shown in FIG. 5, the second positioning plate 422 is provided in two, and the left and right sides of the conveying assembly 410 are respectively provided with a support frame 426 which is movable forward and backward, and each support frame 426 is provided with a second positioning plate 422 which is movable upward and downward and left and right.

[0054] The second positioning plate 422 is provided in two, when the U-shaped piece 200 is fed, the second positioning plate 422 does not need to move a large distance, and the working efficiency is improved.

[0055] Specifically, as Figure 4 shown in the figure, the left and right sides of the conveying assembly 410 are respectively provided with a second rack 700, the second rack 700 is provided with a first air cylinder (not shown in the figure), the support frame 426 is installed on the second rack 700 through a slide rail, and the support frame 426 is driven to move forward and backward by the first air cylinder, the positioning assembly 420 further comprises a moving seat 710 and two second air cylinders 720, the moving seat 710 is movably installed on the support frame 426, one of the second air cylinders 720 is installed on the support frame 426, the extending end of the other second air cylinder 720 is connected with the moving seat 710, and the moving seat 710 is driven to move left and right by the second air cylinder 720, the second positioning plate 422 is movably installed on the moving seat 710, and the other second air cylinder 720 is installed on the moving seat 710, and the extending end of the second air cylinder 720 is connected with the second positioning plate 422, and the second positioning plate 422 is driven to move upward and downward by the second air cylinder 720.

[0056] Further, as Figure 1 , 4 shown in the figure, the conveying assembly 410 comprises two fourth conveying lines 411 which are arranged left and right, and a lifting device 412 for lifting the U-shaped piece 200 is installed between the two fourth conveying lines 411, the lifting device 412 is located between the first positioning plate 421 and the second positioning plate 422, a fifth conveying line 413 is installed on the left side of the conveying assembly 410, and a pushing device 600 for pushing the U-shaped piece 200 on the lifting device 412 to the fifth conveying line 413 is installed on the right side of the conveying assembly 410.

[0057] By providing the pushing device 600, the lifting device 412 and the fourth conveying line 411, after the welding part 210 of the U-shaped piece 200 is welded, the first positioning plate 421 and the second positioning plate 422 are away from each other to release the U-shaped piece 200, the lifting device 412 can lift the U-shaped piece 200 to make the U-shaped piece 200 leave the fourth conveying line 411, and then the pushing device 600 can push the U-shaped piece 200 to the fifth conveying line 413, and the fifth conveying line 413 can automatically output the U-shaped piece 200.

[0058] Further, the pushing device is an air cylinder.

[0059] Although the technical solutions of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these technical solutions without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A U-piece welding device, characterized in that The application relates to a U-shaped part welding device. The device comprises a first conveying device, a clamp, a second conveying device and a mechanical hand. The first conveying device comprises a first conveying line and a blocking structure installed on the first conveying line. The blocking structure can block the U-shaped part on the first conveying line. The clamp is detachably installed in the U-shaped part and has a positioning part for positioning a part.

2. The U-stalk welding apparatus of claim 1, wherein: The second conveying device comprises a conveying assembly and a positioning assembly.

3. The U-stalk welding device of claim 2, wherein: The U-shaped part on the first conveying line can be moved to the conveying assembly.

4. The U-piece welding device according to any one of claims 1 to 3, characterized in that: At least a part of the positioning assembly is located above the conveying assembly.

5. The U-stalk welding device of claim 1, wherein: The positioning assembly can position the U-shaped part on the conveying assembly in the up-down direction, left-right direction and front-rear direction.

6. The U-stalk welding device of claim 1, wherein: The mechanical hand is located on one side of the conveying assembly and is used for welding the part on the U-shaped part.

7. The U-stalk welding device of claim 6, wherein: The first conveying device further comprises a second conveying line, a first rack and a third conveying line arranged in sequence in the front-rear direction.

8. The U-stalk welding device of claim 6, wherein: The first conveying line is rotatably installed on the first rack.

9. The U-stalk welding device of claim 6, wherein: The conveying assembly is connected with a discharge end of the second conveying line.

10. The U-stalk welding device of claim 9, wherein: The first rack is installed with an installation table which can be lifted up and down. The first conveying line is rotatably installed on the installation table. The blocking structure comprises two blocking blocks which can be lifted up and down. One of the blocking blocks is installed on a feeding end of the first conveying line. The other blocking block is installed on a discharge end of the first conveying line. The clamp is installed with a first clamp. The clamp is fixed in the U-shaped part through the first clamp. The positioning assembly comprises a first positioning plate, a second positioning plate and a third positioning plate which can move left and right. The first positioning plate and the second positioning plate are arranged in sequence in the front-rear direction of the conveying assembly. The first positioning plate can move up and down above the conveying assembly. The second positioning plate can move in the up-down direction, front-rear direction and left-right direction and is located above the conveying assembly. The middle part of the side opposite to the first positioning plate of the second positioning plate and the middle part of the side opposite to the second positioning plate of the first positioning plate are provided with pressing blocks. The third positioning plate is higher than the conveying assembly. The side opposite to the first positioning plate of the second positioning plate and the side opposite to the second positioning plate of the first positioning plate are installed with a second clamp for clamping the U-shaped part. The second positioning plate is provided with two supporting racks which can move front and back. Each supporting rack is installed with the second positioning plate which can move up and down and left and right. The conveying assembly comprises two fourth conveying lines which are arranged in sequence in the left-right direction. A lifting device for lifting the U-shaped part is installed between the first positioning plate and the second positioning plate. A fifth conveying line is installed on the left side of the conveying assembly. A pushing device for pushing the U-shaped part on the lifting device to the fifth conveying line is installed on the right side of the conveying assembly. The pushing device is a gas cylinder.

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