CN211840712U

CN211840712U - Straight seam welding machine

Info

Publication number: CN211840712U
Application number: CN201922480471.8U
Authority: CN
Inventors: 陈亚明
Original assignee: Guangzhou Yihui Metal Processing Machinery Co ltd
Current assignee: Guangzhou Yihui Metal Processing Machinery Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-03
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a straight seam welding machine, including supporting main part, welding set, positioning mechanism, stop device and fixing device all are fixed in support the main part is last, welding set is located positioning mechanism's top, the last first spacing portion that is equipped with of positioning mechanism, the last first locating part that is equipped with of stop device, be equipped with the spacing portion of second on the first locating part, first spacing portion with the spacing portion phase-match of second, stop device carries on spacingly through first spacing portion, the spacing portion of second to the welding piece, fixing device is located at least positioning mechanism's both sides limit. The utility model discloses a welder can accurately aim at with the welding seam of welding when longitudinal welding machine welds, does not need the position of manual regulation welding piece, improves welding efficiency.

Description

Straight seam welding machine

Technical Field

The utility model relates to a welding field, more specifically the utility model relates to a longitudinal welding machine that says so.

Background

A Straight seam welding machine (Straight seam welding machine) is an automatic welding device which can automatically and mechanically complete a Straight seam welding of a welding workpiece. The straight seam welding machine is also called a straight seam automatic welding machine, and a longitudinal seam automatic welding machine is one of automatic welding machines. Can replace manpower in a large number, greatly improve the production efficiency and the welding quality, reduce the labor cost and improve the labor environment of welding workers. For example, a straight seam welding machine is widely used for welding the corner seam of the shell of a large transformer, the straight seam welding of a large cylinder, the straight seam welding of a cylinder of a solar water heater, the straight seam welding of a steel strip welding belt on a production line, the welding of H-shaped steel and the like.

When the existing straight seam welding machine is used for welding, a welding part to be welded is directly placed on a welding position, and then the welding part is fixed through fixing pieces such as a fixed pressing plate and the like, and then a welding gun is used for welding the welding part. However, in the process of implementing the invention, the inventor finds that the following problems exist in the prior art: when in welding, the welding gun cannot be accurately aligned with the welding seam of the welding part, and the position of the welding part needs to be manually adjusted, so that the welding efficiency is reduced.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a straight seam welding machine, but welder and the welding seam of a welding piece accurate alignment when this straight seam welding machine welds does not need the position of manual regulation welding piece, improves welding efficiency.

The purpose of the utility model is realized through the following technical scheme:

straight seam welder, including supporting main part, welding set, positioning mechanism, stop device and fixing device all are fixed in support in the main part, welding set is located positioning mechanism's top, the last first spacing portion that is equipped with of positioning mechanism, the last first locating part that is equipped with of stop device, be equipped with the spacing portion of second on the first locating part, first spacing portion with the spacing portion phase-match of second, stop device carries on spacingly through first spacing portion, the spacing portion of second to the welding piece, fixing device is located at least positioning mechanism's both sides limit.

The limiting device comprises a first driving mechanism and a second driving mechanism, the first driving mechanism is connected with the second driving mechanism, and the first driving mechanism drives the second driving mechanism to move up and down; the second driving mechanism is connected with the second limiting part and drives the second limiting part to move left and right.

The positioning mechanism comprises a positioning mounting seat and a positioning mold core, the positioning mounting seat is fixed on the support main body, the positioning mold core is fixed on the positioning mounting seat, the positioning mold core is matched with the welding part, and the first limiting part is located on the positioning mold core.

The straight seam welding machine further comprises a material returning device, the material returning device comprises a third driving mechanism and a material returning ring, the third driving mechanism is fixed on the positioning mounting plate, the material returning ring is located on the positioning die core, the third driving mechanism is connected with the material returning ring, and the third driving mechanism drives the material returning ring to move.

The fixing device at least comprises a first fixing mechanism and a second fixing mechanism, and the first fixing mechanism and the second fixing mechanism are respectively positioned on two opposite side edges of the positioning mechanism.

The first fixing mechanism is the same as the second fixing mechanism in structure, the first fixing mechanism and the second fixing mechanism respectively comprise a first driving piece and a first fixing piece, the first driving piece is fixed on the supporting main body, the first driving piece is connected with the first fixing piece, and the first driving piece drives the first fixing piece to move towards or away from the direction of the positioning mechanism.

The fixing device further comprises a third fixing mechanism, the third fixing mechanism is located on one side of the positioning mechanism, and the third fixing mechanism is located between the first fixing mechanism and the second fixing mechanism.

The third fixing mechanism comprises a first fixing base, a second driving piece and a second fixing piece, the first fixing base is fixed on the supporting main body, the second driving piece is fixed on the first fixing base, the second driving piece is connected with the second fixing piece, and the second driving piece drives the second fixing piece to move towards or away from the direction of the positioning mechanism.

The welding device comprises a fourth driving mechanism, a first adjusting mechanism and a welding gun, wherein the fourth driving mechanism is fixed on the support main body, the first adjusting mechanism is connected with the fourth driving mechanism, and the fourth driving mechanism drives the first adjusting mechanism to move back and forth; the welding gun is fixed on the first adjusting mechanism.

The straight seam welding machine further comprises a control system, the control system is connected with the welding device, the positioning mechanism and the limiting device, and the control system controls the operation of the welding device, the positioning mechanism and the limiting device.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a straight seam welding machine includes welding set, positioning mechanism, stop device and fixing device, during the welding, places the welding piece on positioning mechanism, and first spacing portion and the spacing portion phase-match of second place the spacing portion of second in first spacing portion, and the spacing portion of second is spacing to placing the welding piece on positioning mechanism, and the spacing portion of second is in the welding seam department of welding. After the welding piece is placed on the positioning mechanism, the fixing device positions the welding piece, then the second limiting part is separated from the first limiting part, and the welding device welds the welding piece. The utility model discloses a positioning mechanism fixes a position welding piece, and stop device carries on spacingly to welding piece, ensures that welding piece can be accurate place on positioning mechanism's correct position, and the deviation can not appear in the position when guaranteeing welding piece and placing, makes welder can the accurate alignment welding seam when welding piece, does not need the position of manual regulation welding piece, improves welding efficiency.

2. The limiting device comprises a first driving mechanism and a second driving mechanism, before the welding part is placed, the second driving mechanism drives the first limiting part to move leftwards to a position right above the first limiting part, then the first driving mechanism drives the first limiting part to move downwards, and the second limiting part is arranged in the first limiting part, so that the purpose of limiting the welding part is achieved.

3. The straight seam welding machine further comprises a material returning device, after the welding of the welding part is completed, a third driving part of the material returning device drives a material returning ring, and the material returning ring pushes the welding part to return from the positioning mold core.

4. The first fixing mechanism, the second fixing mechanism and the third fixing mechanism are respectively positioned on different sides of the positioning mechanism, and the first fixing mechanism, the second fixing mechanism and the third fixing mechanism are respectively used for fixing welding pieces placed on the positioning mechanism from different sides, so that the welding pieces are firmly fixed on the positioning mechanism, and the welding pieces are prevented from displacing on the positioning mold core.

5. After the welding part is placed on the positioning mold core, the fourth driving mechanism drives the welding gun to move forwards to the position above one end of the welding part, the welding gun is made to contact with the welding part, then the fourth driving mechanism drives the welding gun to move forwards continuously, and the welding part is welded in the moving process. After welding, the fourth driving part drives the welding gun to move backwards, and the welding gun is far away from the welding part.

Drawings

FIG. 1 is a schematic structural view of a longitudinal welding machine according to the present embodiment;

FIG. 2 is a first partial schematic structural diagram of the longitudinal welding machine of the present embodiment;

FIG. 3 is a second partial schematic structural view of the longitudinal welding machine of the present embodiment;

fig. 4 is a schematic structural diagram of the positioning mechanism and the material returning device of the present embodiment after being combined;

fig. 5 is a schematic structural view of the limiting device of the present embodiment;

FIG. 6 is a schematic structural diagram of a first fixing mechanism of the present embodiment;

FIG. 7 is a schematic structural diagram of a third fixing mechanism of the present embodiment;

FIG. 8 is a schematic structural view of a welding apparatus according to the present embodiment;

FIG. 9 is a circuit diagram of the control system of the present embodiment;

reference numerals:

1. a support body; 2. a welding device; 3. a positioning mechanism; 4. a limiting device; 5. a fixing device; 30. a first limiting part; 40. a first limit piece; 41. a second limiting part; 42. a first drive mechanism; 43. a second drive mechanism; 420. a third driving member; 421. a first fixing plate; 422. a second fixing plate; 423. a first limit sliding plate; 424. a first guide bar; 430. a fourth drive; 431. a third fixing plate; 432. a first stopper; 433. a second guide bar; 31. positioning the mounting seat; 32. positioning the mold core; 50. a first fixing mechanism; 51. a second fixing mechanism; 52. a third fixing mechanism; 501. a first driving member; 502. a first fixing member; 520. a first stationary base; 521. a second driving member; 522. a second fixing member; 20. a fourth drive mechanism; 21. a first adjustment mechanism; 22. a welding gun; 201. a fifth driving member; 202. a guide rail; 203. a ball screw; 204. a first slide plate; 205. a slider; 210. mounting a bracket; 211. a first adjusting seat; 212. a second adjusting seat; 213. a first adjusting lever; 214. a second adjusting lever; 215. mounting a plate; 6. a material returning device; 60. a third drive mechanism; 61. a material returning ring; 7. a grating sensor; 8. a display screen.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments. In the present specification, the terms "upper", "inner", "middle", "left", "right" and "one" are used for convenience of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the corresponding parts may be changed or adjusted without substantial technical changes.

As shown in fig. 1 to 3, the present embodiment discloses a straight seam welding machine, which includes a support body 1, a welding device 2, a positioning mechanism 3, a limiting device 4, and a fixing device 5, wherein the welding device 2, the positioning mechanism 3, the limiting device 4, and the fixing device 5 are all fixed on the support body 1, and the welding device 2 is located above the positioning mechanism 3. As shown in fig. 4, the positioning mechanism 3 is provided with a first limiting portion 30, as shown in fig. 5, the limiting device 4 is provided with a first limiting member 40, the first limiting member 40 is provided with a second limiting portion 41, the first limiting portion 30 is matched with the second limiting portion 41, the limiting device 4 limits the welding member through the first limiting portion 30 and the second limiting portion 41, and the fixing device 5 is at least located on two side edges of the positioning mechanism 3.

In the embodiment, the second position-limiting portion 41 is disposed in the first position-limiting portion 30, the second position-limiting portion 41 limits the position of the welding part disposed on the positioning mechanism 3, and the second position-limiting portion 41 is located at the welding seam of the welding part. After the welding piece is placed on the positioning mechanism 3, the fixing device 5 positions the welding piece, then the second limiting portion 41 is separated from the first limiting portion 30, and the welding device 2 welds the welding piece. The positioning mechanism 3 of this embodiment fixes a position the welding piece, and stop device 2 carries on spacingly to the welding piece, ensures that the welding piece can be accurate place on positioning mechanism 3's correct position, and the position can not appear the deviation when guaranteeing the welding piece to place, makes welder 22 can the accurate alignment welding seam when welding the welding piece, does not need the position of manual regulation welding piece, improves welding efficiency.

As shown in fig. 2, the limiting device 4 includes a first driving mechanism 42 and a second driving mechanism 43, the first driving mechanism 42 is connected to the second driving mechanism 43, and the first driving mechanism 42 drives the second driving mechanism 43 to move up and down; the second driving mechanism 43 is connected to the second limiting member, and the second driving mechanism 43 drives the second limiting member to move left and right. When the longitudinal welding machine of this embodiment welds, before placing the welded component, the second driving mechanism 43 drives the first limiting member 40 to move to the left right above the first limiting portion 30, and then the first driving mechanism 42 drives the first limiting member 40 to move downward, so that the second limiting portion 41 is disposed in the first limiting portion 30, thereby achieving the purpose of limiting the welded component.

As shown in fig. 5, the first driving mechanism 42 of the present embodiment includes a third driving element 420, a first fixing plate 421, a second fixing plate 422, a first limiting sliding plate 423 and a first guide rod 424, the first fixing plate 421 is fixed on the supporting body 1, the second fixing plate 422 is located above the first fixing plate 421, the first limiting sliding plate 423 is located between the first fixing plate 421 and the second fixing plate 422, and the third driving element 420 is fixed on the second fixing plate 422. The third driving member 420 is connected to the first limiting sliding plate 423, the number of the first guide rods 424 is four in this embodiment, one end of each of the four first guide rods 424 is connected to the second fixing plate 422, the other end of each of the four first guide rods 424 passes through the first limiting sliding plate 423 and then is connected to the first fixing plate 421, and a linear bearing is disposed at a connection position between each of the first guide rods 424 and the first sliding plate. The third driving member 420 of this embodiment drives the first limit sliding plate 423 to move between the first fixing plate 421 and the second fixing plate 422, and preferably, the third driving member 420 is a driving cylinder.

The second driving mechanism 43 of this embodiment includes a fourth driving member 430, a third fixing plate 431, a first limiting block 432, and a second guide rod 433, the third fixing plate 431 is fixed on the first limiting sliding plate 423, the fourth driving member 430 is fixed on the third fixing plate 431, the fourth driving member 430 is connected to the first limiting block 432, the first limiting member 40 is connected to the first limiting block 432, and the second limiting portion 41 is located at the bottom of the first limiting member 40. The number of the second guide rods 433 is two, the two second guide rods 433 are respectively located on two side edges of the fourth driving member 430, the second guide rods 433 are connected to the third fixing plate 431, one end of each second guide rod 433 is connected to the first limiting block 432 after passing through the third fixing plate 431, and a linear bearing is arranged at a joint of the second guide rod 433 and the third fixing plate 431. The fourth driver 430 of the present embodiment is a driving cylinder.

As shown in fig. 4, the positioning mechanism 3 includes a positioning mounting base 31 and a positioning mold core 32, the positioning mounting base 31 is fixed on the support body 1, the positioning mold core 32 is fixed on the positioning mounting base 31, the positioning mold core 32 is matched with a welding member, and the first limiting portion 30 is located on the positioning mold core 32.

As shown in fig. 2, the fixing device 5 of the present embodiment includes a first fixing mechanism 50, a second fixing mechanism 51 and a third fixing mechanism 52, wherein the first fixing mechanism 50 and the second fixing mechanism 51 are respectively located at two opposite sides of the positioning mechanism 3. The third fixing mechanism 52 is located at one side of the positioning mechanism 3, and the third fixing mechanism 52 is located between the first fixing mechanism 50 and the second fixing mechanism 51. The first fixing mechanism 50, the second fixing mechanism 51 and the third fixing mechanism 52 respectively fix the welding parts placed on the positioning mechanism 3 from different sides, so that the welding parts are firmly fixed on the positioning mechanism 3, and the displacement of the welding parts on the positioning mold core 32 is avoided.

The first fixing mechanism 50 and the second fixing mechanism 51 of the present embodiment have the same structure, as shown in fig. 6, the first fixing mechanism 50 and the second fixing mechanism 51 both include a first driving member 501 and a first fixing member 502, the first driving member 501 is fixed on the supporting body 1, the first driving member 501 is connected to the first fixing member 502, the first driving member 501 drives the first fixing member 502 to move toward or away from the positioning mechanism 3, and preferably, the first driving member 501 is a driving cylinder.

As shown in fig. 7, the third fixing mechanism 52 includes a first fixing base 520, a second driving member 521 and a second fixing member 522, the first fixing base 520 is fixed on the supporting body 1, the second driving member 521 is fixed on the first fixing base 520, the second driving member 521 is connected to the second fixing member 522, and the second driving member 521 drives the second fixing member 522 to move toward or away from the positioning mechanism 3. Preferably, the second driving element 521 of the present embodiment is a driving cylinder. In order to control the movement of the third fixing mechanism 52 more precisely, the present embodiment further provides two grating sensors 7 on the support body 1, the two grating sensors 7 being located on both sides of the third fixing mechanism 52.

As shown in fig. 2 and 3, the welding device 2 includes a fourth driving mechanism 20, a first adjusting mechanism 21 and a welding gun 22, the fourth driving mechanism 20 is fixed on the support body 1, the first adjusting mechanism 21 is connected with the fourth driving mechanism 20, and the fourth driving mechanism 20 drives the first adjusting mechanism 21 to move back and forth; the welding torch 22 is fixed to the first adjustment mechanism 21. The fourth driving mechanism 20 drives the welding gun 22 to move forward to a position above one end of the welding part, so that the welding gun 22 is in contact with the welding part, and then the fourth driving mechanism 20 drives the welding gun 22 to move forward continuously and weld the welding part in the moving process. After welding, the fourth driver 430 then moves the welding torch 22 backward, and the welding torch 22 is moved away from the welded part.

As shown in fig. 8, the fourth driving mechanism 20 includes a fifth driving member 201, two guide rails 202, a ball screw 203, and a first sliding plate 204, wherein the two guide rails 202 are respectively fixed on the supporting body 1, and the fifth driving member 201 is fixed between the two guide rails 202. The fifth driving element 201 is connected with a ball screw 203, the ball screw 203 is positioned between two guide rails 202, sliding blocks 205 are arranged on the two guide rails 202, and the bottom of the first sliding plate 204 is connected with the ball screw 203 and the sliding blocks 205 on the two guide rails 202. The fifth driving element 201 is a driving motor, the driving motor drives the ball screw 203 to rotate, and the ball screw 203 drives the first sliding plate 204 to move.

The first adjusting mechanism 21 includes a mounting bracket 210, a first adjusting seat 211, a second adjusting seat 212, a first adjusting rod 213, a second adjusting rod 214 and a mounting plate 215, the mounting bracket 210 is mounted on the first sliding plate 204, the first adjusting seat 211 is fixed on the mounting bracket 210, the second adjusting seat 212 is connected with the first mounting seat through the first adjusting rod 213, and the position of the second adjusting seat 212 on the first adjusting seat 211 can be adjusted through the first adjusting rod 213. The mounting plate 215 is connected to the second adjustment base 212 by a second adjustment lever 214, the position of the mounting plate 215 on the first adjustment base 211 is adjusted by the second adjustment lever 214, and the welding gun 22 is fixed to the mounting plate 215. In the embodiment, the position of the welding gun 22 can be adjusted through the first adjusting seat 211, the second adjusting seat 212, the first adjusting rod 213 and the second adjusting rod 214, so that the welding gun 22 can be aligned with the welding seam more accurately. The welding gun 22 of the present embodiment is an argon arc welding gun.

The longitudinal welding machine of this embodiment further includes material returning device 6, and material returning device 6 includes third actuating mechanism 60 and material returning ring 61, and third actuating mechanism 60 is fixed in on location mounting panel 215, and material returning ring 61 is located location mold core 32, and third actuating mechanism 60 links to each other with material returning ring 61, and third actuating mechanism 60 drives material returning ring 61 and removes, and the third actuating mechanism 60 of this embodiment is for driving actuating cylinder. After the welding of the welding parts is completed, the third driving member 420 of the material returning device 6 drives the material returning ring 61, and the material returning ring 61 pushes the welding parts to be returned from the positioning mold core 32.

The longitudinal welding machine further comprises a control system machine and a display screen 8, the display screen 8 is fixed on the supporting main body 1, the control system is connected with the welding device 2, the positioning mechanism 3, the limiting device 4 and the display screen 8, and the control system controls the welding device 2, the positioning mechanism 3 and the limiting device 4 to operate. The control system is a PLC control system, the control method and control method of the control system are both prior art, and as shown in fig. 9, the control chip of the control system is FX3SA-30 MT.

The embodiment of the present invention is not limited to this, according to the above-mentioned content of the present invention, the common technical knowledge and the conventional means in the field are utilized, without departing from the basic technical idea of the present invention, the present invention can also make other modifications, replacements or combinations in various forms, all falling within the protection scope of the present invention.

Claims

1. The longitudinal welding machine is characterized by comprising a supporting main body, a welding device, a positioning mechanism, a limiting device and a fixing device, wherein the welding device, the positioning mechanism, the limiting device and the fixing device are all fixed on the supporting main body, the welding device is located above the positioning mechanism, a first limiting part is arranged on the limiting device, a second limiting part is arranged on the first limiting part, the first limiting part is matched with the second limiting part, the limiting device limits a welding part through the first limiting part and the second limiting part, and the fixing device is at least located on two side edges of the positioning mechanism.

2. The longitudinal welding machine according to claim 1, wherein the limiting device comprises a first driving mechanism and a second driving mechanism, the first driving mechanism is connected with the second driving mechanism, and the first driving mechanism drives the second driving mechanism to move up and down; the second driving mechanism is connected with the second limiting part and drives the second limiting part to move left and right.

3. The longitudinal welding machine according to claim 1, wherein the positioning mechanism includes a positioning mount and a positioning core, the positioning mount is fixed on the support body, the positioning core is fixed on the positioning mount, the positioning core is matched with the welding member, and the first limiting portion is located on the positioning core.

4. The longitudinal welding machine according to claim 3, further comprising a material returning device, wherein the material returning device comprises a third driving mechanism and a material returning ring, the third driving mechanism is fixed on the positioning mounting plate, the material returning ring is located on the positioning mold core, the third driving mechanism is connected with the material returning ring, and the third driving mechanism drives the material returning ring to move.

5. The longitudinal welding machine according to any one of claims 1 to 4, wherein the fixing device includes at least a first fixing mechanism and a second fixing mechanism, and the first fixing mechanism and the second fixing mechanism are respectively located on two opposite sides of the positioning mechanism.

6. The longitudinal welding machine according to claim 5, wherein the first fixing mechanism and the second fixing mechanism are identical in structure, and each of the first fixing mechanism and the second fixing mechanism includes a first driving member and a first fixing member, the first driving member is fixed to the support body, the first driving member is connected to the first fixing member, and the first driving member drives the first fixing member to move toward or away from the positioning mechanism.

7. The longitudinal seam welding machine of claim 5, wherein the fixture further comprises a third fixture located on a side of the positioning mechanism, the third fixture being located between the first fixture and the second fixture.

8. The longitudinal welding machine according to claim 7, wherein the third fixing mechanism includes a first fixing base, a second driving member, and a second fixing member, the first fixing base is fixed to the support body, the second driving member is fixed to the first fixing base, the second driving member is connected to the second fixing member, and the second driving member drives the second fixing member to move toward or away from the positioning mechanism.

9. The longitudinal welding machine according to any one of claims 1 to 4, wherein the welding device includes a fourth driving mechanism, a first adjusting mechanism and a welding gun, the fourth driving mechanism is fixed on the support body, the first adjusting mechanism is connected with the fourth driving mechanism, and the fourth driving mechanism drives the first adjusting mechanism to move back and forth; the welding gun is fixed on the first adjusting mechanism.

10. The longitudinal welding machine according to any one of claims 1 to 4, further comprising a control system connected to the welding device, the positioning mechanism, and the limiting device, the control system controlling the operations of the welding device, the positioning mechanism, and the limiting device.