CN214816034U

CN214816034U - Multi-welding-gun simultaneous welding system

Info

Publication number: CN214816034U
Application number: CN202120152254.0U
Authority: CN
Inventors: 杨帅; 伍仕清
Original assignee: Suzhou Maiteng Automation Equipment Co ltd
Current assignee: Suzhou Maiteng Automation Equipment Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-11-23
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses a many welder system of welding simultaneously, including the supporting mechanism that is used for bearing the carrier, be used for driving the supporting mechanism is around the rotatory first motion unit of the central axis, is used for the installation the first frame of first motion unit, be used for carrying out welded welder to the product on the carrier, be used for driving welder is close to or keeps away from the second motion unit of product on the carrier and be used for the installation the second frame of second motion unit, the central axis extends along vertical Z axle direction, and is many welder centers on the central axis equipartition sets up. The utility model discloses a many welder welding mechanism simultaneously through setting up supporting mechanism into rotatable, welds many welder simultaneously, has practiced thrift the weld time greatly, and efficiency is higher.

Description

Multi-welding-gun simultaneous welding system

Technical Field

The utility model belongs to the automatic welding field, concretely relates to many welder system of welding simultaneously.

Background

At the present stage, the full-automatic welding of a factory is developed more and more quickly. A wide variety of welding robots can be used to replace repetitive work in low end manufacturing. Traditional mill manual welding, people are many, and are high to artifical technical requirement, and is efficient, and the human cost is high. The manipulator is only suitable for the operation of a single welding gun, and has high cost and low efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a many welder welding system simultaneously improves production efficiency and product quality greatly, reduces the cost in business, realizes the profit maximize.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a many welder are welding system simultaneously, is including the supporting mechanism that is used for bearing the weight of the carrier, be used for driving the first motion unit of supporting mechanism around the central axis rotation, be used for installing first frame of first motion unit, be used for right the welder of product on the supporting mechanism carries out the welded, be used for driving welder is close to or keeps away from the second motion unit of product on the carrier and be used for installing the second frame of second motion unit, the central axis extends along vertical Z axle direction, and many welder centers on the central axis equipartition sets up.

As a further improvement, the supporting mechanism comprises a supporting plate, two positioning strips arranged on the upper surface of the supporting plate and arranged oppositely, and a positioning pin arranged on the upper surface of the supporting plate and between the two positioning strips.

As a further improvement, the first moving unit includes a first driving device connected to the supporting mechanism and driving the supporting mechanism to rotate around the central axis, a top plate for mounting the first driving device, a second driving device for driving the top plate to lift along the vertical Z-axis direction, and a bottom plate disposed below the top plate and used for mounting the second driving device, the bottom plate is provided with a first hollow hole for the first driving device to pass through along the vertical Z-axis direction and a guide post guiding and connecting the top plate, and the bottom plate is mounted on the first rack.

As a further improvement, the supporting mechanism, the first motion unit and the first frame are arranged between two conveying parts of a bilateral assembly line.

As a further improvement, a plurality of equal-height columns are arranged at the bottom of the top plate, a second hollowed-out hole through which the equal-height columns pass along the vertical Z-axis direction is formed in the bottom plate, the second driving device is an air cylinder, the first motion unit further comprises a supporting frame arranged between the top plate and the bottom plate, and a third driving device which is installed on the bottom plate and drives the supporting frame to move to a position right above the second hollowed-out hole or to a position staggered from the second hollowed-out hole along the horizontal X-axis direction, and an inner hole of the supporting frame allows the first driving device to pass along the vertical Z-axis direction.

As a further improvement, be equipped with the recess on the bottom plate, the bottom of carriage is equipped with the first rotating member that can roll, the carriage removes when reaching directly over the second fretwork hole, first rotating member is located in the recess, the carriage remove to with when the second fretwork hole staggered position, first rotating member shifts out the recess, the roll axis of first rotating member extends along horizontal Y axle direction, the inboard edge of carriage still is equipped with the second rotating member that leads its removal, the roll axis of second rotating member extends along vertical Z axle direction.

As a further improvement, when the first rotating member is located in the groove, the lower surface of the supporting frame is attached to the upper surface of the bottom plate.

As a further improvement, the second moving unit includes welding gun moving mechanisms corresponding to the welding guns one by one, and each welding gun moving mechanism includes a pushing block fixedly connected to the welding guns, a fourth driving device connected to the pushing block and driving the pushing block to move along the radial direction of the central axis, a lifting support for mounting the fourth driving device, and a fifth driving device mounted on the second rack and driving the lifting support to lift along the vertical Z-axis direction.

As a further improvement, each welding gun motion mechanism further comprises a guide assembly, the guide assembly is mounted on the lifting support and guides the push block to move along the radial direction of the central axis, and the guide assembly comprises a slide rail and two slide blocks connected to the slide rail in a sliding manner.

As a further improvement, each of the gun motion mechanisms further includes a detection assembly including a detection plate fixed relative to the push block, a first proximity sensor for detecting the arrival of the detection plate at the welding position, and a second proximity sensor for detecting the departure of the detection plate from the welding position.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model discloses a many welder welding mechanism simultaneously through setting up supporting mechanism into rotatable, welds many welder simultaneously, has practiced thrift the weld time greatly, and efficiency is higher.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic connection diagram of a support mechanism and a first motion unit in a multi-torch simultaneous welding system according to the present invention;

fig. 2 is a schematic connection diagram of the supporting mechanism unit in the multi-welding-gun simultaneous welding system of the present invention, which does not include the supporting frame and the third driving device;

fig. 3 is a schematic connection diagram of a support frame, a third driving device and an equal-height column in the multi-welding-gun simultaneous welding system disclosed by the present invention;

fig. 4 is a schematic diagram illustrating the composition of a first driving device in the multi-torch simultaneous welding system of the present invention;

fig. 5 is a schematic connection diagram of a welding gun, a second motion unit and a second frame in the multi-welding-gun simultaneous welding system disclosed by the present invention;

FIG. 6 is a schematic view of a second rack of the multi-torch simultaneous welding system of the present invention;

fig. 7 is a schematic diagram illustrating the connection between the welding gun and the second moving unit in the multi-welding-gun simultaneous welding system disclosed by the present invention;

FIG. 8 is a schematic diagram illustrating the components of a rail assembly in the multi-torch simultaneous welding system of the present invention;

fig. 9 is a schematic diagram illustrating the composition of a fifth driving device in the multi-torch simultaneous welding system according to the present invention;

fig. 10 is a schematic diagram of a servo motor in the multi-welding-gun simultaneous welding system disclosed by the present invention.

Wherein, 1, a supporting mechanism; 101. a support plate; 102. a positioning bar; 103. positioning pins; 2. a welding gun; 3. a second frame; 401. a first driving device; 402. a top plate; 403. a second driving device; 404. a base plate; 405. a first hollowed-out hole; 406. a guide post; 407. an equal-height column; 408. a second hollowed-out hole; 409. a support frame; 410. a third driving device; 411. a groove; 412. a first rotating member; 413. a second rotating member; 414. a connecting plate; 415. a speed reducer; 416. an input shaft; 417. a servo motor; 418. (ii) a 502. A fourth drive device; 503. a lifting support; 504. a fifth driving device; 505. a slide rail; 506. a slider; 507. detecting a plate; 508. a first proximity sensor; 509. a second proximity sensor; 510. a servo motor; 511. a ball screw; 512. a linear slide rail; 513. and (7) mounting the plate.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise. In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure. In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.

The following is a preferred embodiment of the present invention, but is not intended to limit the scope of the present invention.

Example one

Referring to fig. 1 to 10, as shown in the drawings, a multi-welding-gun simultaneous welding system includes a support mechanism 1 for carrying a product, a first moving unit for driving the support mechanism 1 to rotate around a central axis, a first frame (not shown in the drawings) for mounting the first moving unit, a welding gun 2 for welding the product on the support mechanism 1, a second moving unit for driving the welding gun 2 to approach or depart from the product on a carrier, and a second frame 3 for mounting the second moving unit, wherein the central axis extends along a vertical Z-axis direction, and a plurality of welding guns 2 are uniformly arranged around the central axis. Through setting up supporting mechanism into rotatable, many welder welds simultaneously, have practiced thrift the welding time greatly, and efficiency is higher.

In a preferred embodiment of the present embodiment, the supporting mechanism 1 includes a supporting plate 101, two positioning bars 102 disposed on an upper surface of the supporting plate 101 and disposed opposite to each other, and a positioning pin 103 disposed on the upper surface of the supporting plate 101 and located between the two positioning bars 102. The positioning strip is supported at the bottom of the carrier, and the positioning pin is inserted into the positioning hole at the bottom of the carrier, so that the carrier is positioned on the supporting mechanism. In other embodiments it may also be: the support mechanism positions the carrier by other structures, such as vacuum suction positioning, or clamping positioning.

In a preferred embodiment of this embodiment, the first moving unit includes a first driving device 401 connected to the supporting mechanism 1 and driving the supporting mechanism 1 to rotate around the central axis, a top plate 402 for mounting the first driving device 401, a second driving device 403 for driving the top plate 402 to lift along the vertical Z-axis direction, and a bottom plate 404 disposed below the top plate 402 and for mounting the second driving device 403, the bottom plate 404 is provided with a first hollow hole 405 for the first driving device 401 to pass through along the vertical Z-axis direction and a guide post 406 guiding and connecting the top plate 402, and the bottom plate 404 is mounted on the first frame 20. The first drive 401 comprises a siemens servo motor 417, a standard servo reducer 415, a servo and reducer coupling plate 414, and a reducer custom input shaft 416. The servo motor 417 rotates the input shaft 416, and rotates the reduction gear 415 attached to the connection plate 414. Other structures are also possible in other embodiments, for example, no first hollowed-out hole is provided.

In a preferred embodiment of the present embodiment, the support mechanism 1, the first motion unit, and the first frame 20 are disposed between two conveying sections of a double side line. The supporting mechanism 1 lifts up the products conveyed by the double-side assembly line. In other embodiments it may also be: a multiple torch simultaneous welding system is provided between the output of one of the transfer lines and the input of the other transfer line.

In a preferred embodiment of this embodiment, a plurality of equal-height pillars 407 are disposed at the bottom of the top plate 402, the bottom plate 404 is disposed with a second hollow hole 408 through which the equal-height pillars 407 pass along the vertical Z-axis direction, the second driving device 403 is an air cylinder, the first moving unit further includes a supporting frame 409 disposed between the top plate 402 and the bottom plate 404, and a third driving device 410 mounted on the bottom plate 404 and driving the supporting frame 409 to move to a position right above the second hollow hole 408 or to a position staggered from the second hollow hole 408 along the horizontal X-axis direction, and an inner hole of the supporting frame 409 allows the first driving device 401 to pass along the vertical Z-axis direction. After the top plate is jacked up by the second driving device, the supporting frame moves to the position below the equal-height column to support the equal-height column, and the third driving device adopts an air cylinder. In other embodiments it may also be: the top plate is always supported by the second driving device without arranging a supporting frame, the equal-height columns and the third driving device.

In a preferred embodiment of this embodiment, the bottom plate 404 is provided with a groove 411, the bottom of the support frame 409 is provided with a first rotating member 412 capable of rolling, when the support frame 409 moves to a position right above the second hollow hole 408, the first rotating member 412 is located in the groove 411, when the support frame 409 moves to a position staggered from the second hollow hole 408, the first rotating member 412 moves out of the groove 411, the rolling axis of the first rotating member 412 extends along the horizontal Y-axis direction, the inner side edge of the support frame 409 is further provided with a second rotating member 413 guiding the support frame to move, and the rolling axis of the second rotating member 413 extends along the vertical Z-axis direction. The first rotating part falls into the groove, so that the support frame can be prevented from sliding, and the support is more stable and reliable. The second rotating member may guide the support frame. In other embodiments it may also be: the supporting frame slides on the bottom plate without the groove and the second rotating part, or the supporting frame is guided by the guide rail without the second rotating part.

In the preferred embodiment of this embodiment, when the first rotating member 412 is located in the recess 411, the lower surface of the supporting frame 409 is attached to the upper surface of the bottom plate 404. The supporting frame is attached to the bottom plate, so that the supporting is more stable and reliable. In other embodiments it may also be: the supporting frame and the bottom plate are not attached together.

In a preferred embodiment of this embodiment, the second moving unit includes welding gun moving mechanisms corresponding to the welding guns 2 one by one, and each welding gun moving mechanism includes a pushing block (not shown in the figure) fixedly connected to the welding gun 2, a fourth driving device 502 connected to the pushing block and driving the pushing block to move along the radial direction of the central axis, a lifting bracket 503 for mounting the fourth driving device 502, and a fifth driving device 504 mounted on the second frame 3 and driving the lifting bracket 503 to lift along the vertical Z-axis direction. The fourth driving device is a pneumatic cylinder, and the fifth driving device includes a servo motor 510, a coupling (not shown), a ball screw 511, two linear slide rails 512, and a mounting plate 513. The servo motor 510 rotates to drive the shaft coupling and the ball screw 511 to rotate, and drives the mounting plate 513 to reciprocate up and down under the action of the linear slide rail 512. The servo motor has a band-type brake function, so that the equipment power-off mechanism is prevented from moving downwards to damage a welding gun or crush personnel, and the safety and the reliability are higher. The ball screw has the advantages of small movement sound, high precision, adjustable front and back positions of the welding gun and wider application.

In the preferred embodiment, each welding gun motion mechanism further comprises a guide assembly, the guide assembly is mounted on the lifting bracket 503 and guides the push block to move along the radial direction of the central axis, and the guide assembly comprises a slide rail 505 and two sliders 506 slidably connected to the slide rail 505.

In a preferred embodiment of this embodiment, each gun motion mechanism further comprises a detection assembly including a detection plate 507 fixed relative to the push block, a first proximity sensor 508 for detecting the arrival of detection plate 507 at the welding position, and a second proximity sensor 509 for detecting the departure of detection plate 507 from the welding position.

In this embodiment, the number of the second driving devices is two, and the two upper and lower cylinders which act simultaneously lift the supporting mechanism to separate from the double-speed chain to reach the working position. The two oil pressure buffers can ensure that the supporting mechanism can be lifted in place and stably stopped. The servo rotating mechanism enables the supporting mechanism to rotate stably.

The working process of the utility model is introduced as follows:

1. after the supporting mechanism is in place, the two cylinders (the second driving device) act to drive the top plate to move upwards, and the positioning pins and the positioning strips position the carrier;

2. a propelling cylinder (a third driving device) drives the supporting frame to move forwards under the action of the four first rotating parts and the second rotating parts, the four first rotating parts fall into four grooves in the mounting plate after reaching a target position, so that the supporting frame is attached to the bottom plate, the jacking cylinder adopts a three-position five-way middle relief valve, is positioned at a middle position at the moment, and enables four equal-height columns to be attached to the supporting frame under the action of gravity;

3, the Z-axis servo motor drives the welding gun to move downwards integrally, four propelling cylinders (fourth driving devices) extend out from the original position at the same time after a set value is reached, the welding gun starts to work after the four first proximity switches sense the four propelling cylinders, and meanwhile, the servo motor below the jacking mechanism drives the speed reducer to rotate, so that parts to be welded rotate by 90 degrees, and an annular welding seam is formed on the inner circumferential surface of a product on the carrier;

4. after welding, four welding guns push the cylinders to return to the original positions, and the Z-axis servo motor returns to the original positions after second approach sensing;

5. the rotary motor (the first driving device) drives the speed reducer to return to the original position;

6. after the two jacking cylinders finish upward movement, the supporting frame returns to the original position under the action of the cylinders;

7. the jacking cylinder returns to the original position;

8. the support mechanism is released and the next cycle begins.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention, including by way of illustration of the disclosed embodiments. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a many welder simultaneous welding system which characterized in that, including the supporting mechanism who is used for bearing the carrier, be used for driving the first motion unit of supporting mechanism around the central axis rotation, be used for installing first frame of first motion unit, be used for carrying out the welder that welds to the product on the carrier, be used for driving welder is close to or keeps away from the second motion unit of product on the carrier and be used for installing the second frame of second motion unit, the central axis extends along vertical Z axle direction, many welder centers on the central axis equipartition setting.

2. The multi-torch simultaneous welding system according to claim 1, wherein the support mechanism comprises a support plate, two positioning bars provided on an upper surface of the support plate and disposed opposite to each other, and a positioning pin provided on the upper surface of the support plate and disposed between the two positioning bars.

3. The multi-torch simultaneous welding system according to claim 1, wherein the first moving unit comprises a first driving device connected to the supporting mechanism and driving the supporting mechanism to rotate around the central axis, a top plate for mounting the first driving device, a second driving device for driving the top plate to lift in a vertical Z-axis direction, and a bottom plate disposed below the top plate and used for mounting the second driving device, the bottom plate is provided with a first hollow hole for the first driving device to pass through in the vertical Z-axis direction and a guide post guiding and connecting the top plate, and the bottom plate is mounted on the first frame.

4. The multi-torch simultaneous welding system of claim 3, wherein said support mechanism, said first motion unit, and said first machine are mounted between two feeds of a two-sided assembly line.

5. The multi-torch simultaneous welding system according to claim 3, wherein a plurality of equal-height pillars are provided at a bottom of the top plate, a second hollow hole through which the equal-height pillars pass in a vertical Z-axis direction is provided in the bottom plate, the second driving device is an air cylinder, the first moving unit further comprises a support frame provided between the top plate and the bottom plate, and a third driving device installed on the bottom plate and driving the support frame to move in a horizontal X-axis direction to a position directly above the second hollow hole or to a position staggered from the second hollow hole, and an inner hole of the support frame allows the first driving device to pass in the vertical Z-axis direction.

6. The multi-torch simultaneous welding system according to claim 5, wherein a groove is formed in the bottom plate, a first rotatable member capable of rolling is disposed at a bottom of the support frame, the first rotatable member is located in the groove when the support frame moves to a position directly above the second hollow hole, the first rotatable member moves out of the groove when the support frame moves to a position staggered from the second hollow hole, a rolling axis of the first rotatable member extends in a horizontal Y-axis direction, a second rotatable member guiding the support frame to move is further disposed on an inner side edge of the support frame, and a rolling axis of the second rotatable member extends in a vertical Z-axis direction.

7. The multi-torch simultaneous welding system of claim 6, wherein a lower surface of the support frame engages an upper surface of the base plate when the first rotational member is positioned within the recess.

8. The multi-torch simultaneous welding system according to claim 1, wherein the second moving unit comprises torch moving mechanisms provided in one-to-one correspondence with the welding torches, and each of the torch moving mechanisms comprises a push block fixedly connected to the welding torch, a fourth driving device connected to the push block and driving the push block to move in a radial direction of the central axis, a lifting bracket for mounting the fourth driving device, and a fifth driving device mounted on the second frame and driving the lifting bracket to lift in a vertical Z-axis direction.

9. The multi-torch simultaneous welding system of claim 8, wherein each torch movement mechanism further comprises a guide assembly mounted to the lift bracket and guiding the push block to move radially along the central axis, the guide assembly comprising a slide rail and two sliders slidably coupled to the slide rail.

10. The multi-torch simultaneous welding system of claim 9, wherein each of said torch movement mechanisms further comprises a detection assembly including a detection plate fixed relative to said push block, a first proximity sensor for detecting arrival of said detection plate at a welding location, and a second proximity sensor for detecting departure of said detection plate from a welding location.