CN220636760U - Sheet metal part welding device - Google Patents

Abstract

The utility model relates to a sheet metal part welding device, which comprises a workbench table used for arranging sheet metal part limiting assemblies and a welding module, wherein the sheet metal part limiting assemblies limit sheet metal parts in a mode of adjusting and limiting welding included angles between two sheet metal parts, the sheet metal part limiting assemblies comprise a first mounting plate and a second mounting plate used for placing the sheet metal parts, the side edges of plate bodies of the first mounting plate and the side edges of plate bodies of the second mounting plate are connected through rotating shaft mechanisms, and at least two rotating shaft mechanisms are coaxially arranged in a mode of having a spacing distance; the first mounting plate and the second mounting plate are mounted on the workbench table through the lifting base, and the lifting base can drive the second mounting plate to rotate around the edge of the plate body, which is close to the first mounting plate, of the second mounting plate. The utility model can accurately set the weld space and limit the butt joint included angle between the sheet metal parts to be welded.

Description

Sheet metal part welding device

Technical Field

The utility model relates to the technical field of sheet metal machining equipment, in particular to a sheet metal part welding device.

Background

The sheet metal part is a product obtained by punching, folding, welding, splicing, forming and other processes aiming at a metal sheet, wherein in the welding process, a clamp is usually required to be used for fixing the sheet metal part, so that the sheet metal part is prevented from moving in the welding process, and the quality of a welded finished product is not influenced.

At present, when traditional sheet metal part electric welding equipment is put and assembled at sheet metal part before carrying out welding operation, the butt joint of sheet metal part needs to be carried out manually through manual regulation operation of operating personnel in the assembly process. In the butt joint process, an operator usually needs to adjust the size of a butt joint gap of the sheet metal parts according to operation experience so that the formed welding seam can meet welding requirements. However, the above operation mode has strong dependence on manpower, large operation error and much time consumption in the operation process, and is unfavorable for mass production in the industrial production process. In addition, the labor cost consumed by the operation of the welding equipment is high, and the welding effect is far from meeting the precision requirement of the existing production. Finally, the existing sheet metal part is welded, the sheet metal part is laid on a designated processing table through a plurality of clamping structures, the sheet metal part can be used for welding treatment of coplanar sheet metal parts, and inclined welding treatment cannot be carried out on two sheet metal parts which need to form an included angle.

Furthermore, there are differences in one aspect due to understanding to those skilled in the art; on the other hand, as the inventors studied numerous documents and patents while the present utility model was made, the text is not limited to details and contents of all that are listed, but it is by no means the present utility model does not have these prior art features, the present utility model has all the prior art features, and the applicant remains in the background art to which the rights of the related prior art are added.

Disclosure of Invention

The utility model aims to provide a sheet metal part welding device capable of accurately setting a welding seam space and limiting a butt joint included angle between sheet metal parts to be welded, so as to solve the problems that an existing welding device has large error, low efficiency and high labor cost due to the fact that an operator manually adjusts the butt joint position between the sheet metal parts to be welded and the size of a welding seam, and the existing sheet metal part welding device cannot perform sheet metal part welding treatment with a specific included angle.

The technical scheme adopted by the utility model is as follows: the utility model provides a sheet metal part welding set, includes the workstation table that is used for setting up sheet metal part spacing subassembly and welding module, sheet metal part spacing subassembly is treated the welding sheet metal part according to its mode that can adjust the prescribing limit to the welding contained angle between two sheet metal parts that treat the welding, sheet metal part spacing subassembly is including the first mounting panel and the second mounting panel that are used for placing the sheet metal part that treat the welding, wherein, the plate body side edge of first mounting panel is connected through rotation axis mechanism with the plate body side edge of second mounting panel, and at least two rotation axis mechanism is with the mode coaxial line setting of existence interval distance; the first mounting plate and the second mounting plate are mounted on the workbench table through the lifting base, and the lifting base can drive the second mounting plate to rotate around the edge of the plate body, which is close to the first mounting plate, of the second mounting plate.

According to a preferred embodiment, the lifting base comprises a first lifting column capable of adjusting the suspension height of the first mounting plate on the table, and a second lifting column and a third lifting column for supporting the second mounting plate, wherein the second lifting column and the third lifting column can change the suspension height or the inclination angle of the second mounting plate on the table in a synchronous motion or differential motion mode, so that the second mounting plate which is in an initial state of being coplanar with the first mounting plate can deflect around the edge of the plate body under the control of the third lifting column, and therefore the two planes respectively defined by the first mounting plate and the second mounting plate intersect in an adjustable included angle mode.

According to a preferred embodiment, the first lifting column, the second lifting column and the third lifting column are hydraulic telescopic rods with adjustable axial lengths, at least two second lifting columns are installed on one side, close to the bottom of the first mounting plate, of the second mounting plate, at least two third lifting columns are installed on one side, away from the bottom of the first mounting plate, of the second mounting plate, and when the second lifting columns and the third lifting columns are in differential expansion and contraction, the second mounting plate is inclined.

According to a preferred embodiment, the axial lower end of the second lifting column is vertically supported on the table, and the axial upper end of the second lifting column is hinged with the second mounting plate; and two ends of the third lifting column are hinged with the workbench table and the bottom surface of the second mounting plate respectively.

According to a preferred embodiment, a distance abutting mechanism for limiting the distance between the sheet metal parts limited by the first mounting plate and the second mounting plate is further arranged between the first mounting plate and the second mounting plate, and the positioning abutting mechanism is arranged on the workbench table in a lifting manner.

According to a preferred embodiment, the distance abutting mechanism comprises a shell, a distance thimble, a locking piece, a pressing rod and a guide rail, wherein the distance thimble is inserted in the shell, and one end of the distance thimble sleeve, provided with an elastic piece, penetrates through the shell and is adjustably inserted between the first mounting plate and the second mounting plate.

According to a preferred embodiment, the locking member is sleeved at one end of the distance thimble away from the first mounting plate and the second mounting plate; the outer sliding sleeve of the locking piece is provided with a pressing rod, and the outer part of the pressing rod is also provided with a sliding sleeve with the guide rail arranged on the inner wall of the shell; one end of the locking piece, which is far away from the distance thimble, is also connected with a pressing head shell penetrating through the other end of the shell.

According to a preferred embodiment, a positioning mechanism is further arranged on the upper surfaces of the first mounting plate and the second mounting plate, and the positioning mechanism can carry out abutting limiting on the non-welding edges of the two sheet metal parts to be welded so as to limit the relative positions of the sheet metal parts on the first mounting plate and the second mounting plate.

According to a preferred embodiment, the positioning mechanism comprises a guide rail groove, a screw rod, a sliding block and an abutting rod, wherein the guide rail groove, the screw rod, the sliding block and the abutting rod are arranged in the first mounting plate and the second mounting plate, the abutting rod is supported on the surface of the sliding block penetrating through the rod body of the screw rod, and the screw rod is movably inserted into the guide rail groove in a mode of rotating around the axis of the screw rod.

According to a preferred embodiment, the upper surfaces of the first mounting plate and the second mounting plate are also supported with a pressing piece capable of pressing the positioned sheet metal part on the first mounting plate or the second mounting plate, and the pressing bar of the pressing piece is adjustably attached to the surface, away from the first mounting plate or the second mounting plate, of the sheet metal part under the expansion and contraction of the hydraulic support rod.

The beneficial effects of the utility model are as follows:

this application is through setting up lifting base for first mounting panel and second mounting panel can be in the different altitude planes build the loading platform that is used for settling location sheet metal component, thereby the edge carries out sheet metal component's location, butt joint and welding. Especially, the second lifting column and the third lifting column in the lifting base can be lifted in different heights, so that the heights supported by the second lifting column and the third lifting column are different, two sides of the plate body of the second mounting plate are supported at different height positions, the second mounting plate is in an inclined state, the second mounting plate positioned in an inclined mode and the first mounting plate positioned horizontally can respectively limit two sheet metal parts to be welded in different planes, and therefore butt joint and welding of the two sheet metal parts in an included angle are achieved, and welding processing of the sheet metal parts with requirements on angles is met.

The distance thimble of this application can be adjustably carries out the reciprocal lifting motion in vertical to when carrying out the assembly operation of waiting the sheet metal component of welding, the distance thimble of placing in between first mounting panel and the second mounting panel can prescribe a limit to a butt joint clearance, makes the relative position of placing in between the sheet metal component on first mounting panel and the second mounting panel respectively effectively prescribe a limit to. The distance thimble of this application can be with the size of high accuracy prescribing a limit to the welding seam, for manual regulation, should prescribe a limit to the structure and can directly carry out the welding seam of a settlement size by putting of supporting of sheet metal component on first mounting panel and second mounting panel, greatly improved the convenience that the welding seam was set for. In addition, the design of movable distance thimble can promote the accuracy and the simple operation of the welding seam size that aim at the in-process produced effectively, conveniently accomplish the butt joint processing of waiting welded sheet metal component fast and high-efficient in industrial production process to accurate welding seam size is set up and can promote welded quality and yield effectively.

Drawings

FIG. 1 is a schematic view of a sheet metal part welding device according to the present utility model;

FIG. 2 is a schematic view of a part A of a sheet metal part welding device according to a preferred embodiment of the present utility model;

fig. 3 is a schematic structural view of a distance abutting mechanism of a sheet metal part welding device according to a preferred embodiment of the present utility model.

List of reference numerals

1: a table; 2: sheet metal part limiting components; 3: a welding module; 21: a first mounting plate; 22: a second mounting plate; 23: a rotation shaft mechanism; 24: a distance abutting mechanism; 25: lifting the base; 26: a positioning mechanism; 27: a pressing piece; 241: a housing; 242: spacing thimble; 243: a locking member; 244: a compression bar; 245: a guide rail; 246: an elastic member; 247: pressing the head shell; 251: a first lifting column; 252: a second lifting column; 253: a third lifting column; 261: a guide rail groove; 262: a screw; 263: a slide block; 264: an abutment lever; 271: pressing strips; 272: a hydraulic strut; 273: and (5) supporting the rod.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

The technical solution provided by the present utility model will be described in detail by way of examples with reference to the accompanying drawings. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model. In some instances, some embodiments are not described or described in detail as such, as may be known or conventional in the art.

Furthermore, features described herein, or steps in all methods or processes disclosed, may be combined in any suitable manner in one or more embodiments in addition to mutually exclusive features and/or steps. It will be readily understood by those skilled in the art that the steps or order of operation of the methods associated with the embodiments provided herein may also be varied. Any order in the figures and examples is for illustrative purposes only and does not imply that a certain order is required unless explicitly stated that a certain order is required.

The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling) where appropriate (where no paradox is constructed).

The following detailed description refers to the accompanying drawings.

Example 1

The application provides a sheet metal part welding device, it includes workstation table 1, sheet metal part spacing subassembly 2 and welding module 3.

According to a specific embodiment shown in fig. 1-3, a sheet metal part limiting assembly 2 capable of limiting the position of a sheet metal part is arranged on a table 1. The sheet metal part limiting assembly 2 can apply limiting acting force to the sheet metal part in multiple directions in a propping limiting and propping mode, so that the sheet metal part is effectively positioned on the sheet metal part limiting assembly 2. The sheet metal part limiting assembly 2 can limit the butt joint position and the butt joint gap size between two sheet metal parts with welding machines, so that the size of a welding line is accurately limited, and the welding precision and the finished product yield between the sheet metal parts are improved. The sheet metal part limiting assembly 2 can change the size of an included angle between two sheet metal parts to be welded in a lifting and/or deflection mode by driving at least one sheet metal part, so that the two sheet metal parts can be welded and formed in a butt joint included angle posture. A welding module 3 which can weld the welding seam position formed between the two sheet metal parts to be welded defined by the sheet metal part limiting assembly 2 is also supported on the workbench table 1. The welding module 3 can perform multidirectional movement in a certain space range through the multidirectional driving mechanism, so that the welding module can accurately position a welding line, and the welding line is subjected to welding treatment.

Preferably, the sheet metal part limiting assembly 2 limits the sheet metal parts to be welded in a manner that the welding included angle between the two sheet metal parts to be welded can be limited in an adjustable manner. Further preferably, the sheet metal part limiting assembly 2 comprises a first mounting plate 21, a second mounting plate 22, a rotating shaft mechanism 23, a distance abutting mechanism, a lifting base 25, a positioning mechanism 26 and a pressing piece 27. Specifically, the first mounting plate 21 and the second mounting plate 22 are used for placing sheet metal parts to be welded. Preferably, the plate body side edge of the first mounting plate 21 and the plate body side edge of the second mounting plate 22 are connected by the rotation shaft mechanism 23, and at least two rotation shaft mechanisms 23 are coaxially arranged in a manner of having a spacing distance, so that the second mounting plate 22 rotates around the rotation shaft mechanism 23 thereof, thereby changing the included angle between the upper plate surface of the first mounting plate 21 and the upper plate surface of the second mounting plate 22, and further synchronously changing the included angle of two sheet metal parts to be welded respectively positioned on the first mounting plate 21 and the second mounting plate 22. Preferably, a distance abutting mechanism 24 for limiting the distance between the sheet metal parts limited by the first mounting plate 21 and the second mounting plate 22 is further arranged between the first mounting plate 21 and the second mounting plate 22. The positioning and abutting mechanism 24 is arranged on the workbench table 1 in a lifting manner, so that the working position of the positioning and abutting mechanism 24 can be changed before and after the sheet metal part is assembled. Preferably, the first mounting plate 21 and the second mounting plate 22 are mounted on the table 1 by a lifting base 25, and the lifting base 25 is capable of driving the second mounting plate 22 to rotate around its plate edge adjacent to the first mounting plate 21. Further preferably, a positioning mechanism 26 is also provided on the upper surfaces of the first mounting plate 21 and the second mounting plate 22. Specifically, the positioning mechanism 26 can perform abutment limiting on the non-welding edges of the two sheet metal parts to be welded so as to limit the relative positions of the sheet metal parts on the first mounting plate 21 and the second mounting plate 22, so that in the case that the positioning abutment mechanism 24 limits the size of the abutting gap, the positioning mechanism 26 can limit the relative plane position of the sheet metal parts on the plate surfaces of the first mounting plate 21 and the second mounting plate 22, and the sheet metal parts cannot translate on the supporting plane. Further preferably, a pressing member 27 capable of pressing the positioned sheet metal member against the first mounting plate 21 or the second mounting plate 22 is supported on the upper surfaces of the first mounting plate 21 and the second mounting plate 22. The pressing piece 27 can limit the movement of the sheet metal parts in the vertical direction, the sheet metal parts are pressed against the plate surfaces of the first mounting plate 21 and the second mounting plate 22 from top to bottom, so that the auxiliary positioning mechanism 26 is used for limiting the movable direction of the sheet metal parts, the sheet metal parts are effectively prevented from moving in any direction in the welding process, the butt joint stability of the two sheet metal parts to be welded is ensured, and particularly after the distance pressing piece 24 is removed, the positioning mechanism 26 and the pressing piece 27 are matched, so that the size of a welding seam formed by the two sheet metal parts to be welded can be effectively maintained, and the welding precision and the yield of the welding module 3 to the welding seam with the specific size are ensured.

Preferably, the first mounting plate 21 and the second mounting plate 22 are plate structures with circular arc sides, so that when the second mounting plate 22 deflects relatively under the control of the lifting base 25, the size of a welding seam constructed by the first mounting plate 21 and the second mounting plate 22 is controllable, and a stable size of a butt joint gap can be maintained. Preferably, the rotation shaft mechanism 23 includes a rotation shaft, a sleeve, and connection plates, where the two connection plates are respectively connected with the rotation shaft and the sleeve, so that when the sleeve sleeved on the rotation shaft rotates around the axis relative to the rotation shaft, the included angle between two plate planes defined by the connection plates respectively connected with the rotation shaft and the sleeve changes, so that the included angle between the plate surfaces between the first mounting plate 21 and the second mounting plate 23 fixedly connected with the two connection plates changes identically. Preferably, the diameter of the rotating shaft mechanism 23 is greater than or equal to the width of the welding seam, so that the minimum gap width defined when the rotating shaft mechanism 23 is connected with the first mounting plate 21 and the second mounting plate 23 can meet the requirement that the distance thimble 242 passes through the gap between the first mounting plate 21 and the second mounting plate 23, and therefore, part of the needle body can be placed above the first mounting plate 21 and the second mounting plate 23 by the distance thimble 242 to define the welding seam size.

Preferably, the distance abutment mechanism 24 includes a housing 241, a distance thimble 242, a lock 243, a compression bar 244, and a guide rail 245. Specifically, the distance thimble 242 is inserted into the housing 241, and one end of the distance thimble 242 sleeved with the elastic member 246 penetrates the housing 241 to be adjustably inserted between the first mounting plate 21 and the second mounting plate 22. Further preferably, a locking member 243 is sleeved at an end of the distance thimble 242 away from the first mounting plate 21 and the second mounting plate 22. The outer sliding sleeve of the locking member 243 is provided with a pressing rod 244, and the outer sliding sleeve of the pressing rod is also provided with a guide rail 245 opened on the inner wall of the housing 241. The end of the locking member 243 away from the distance thimble 242 is also connected with a pressing head shell 247 penetrating the other end of the housing 241. Preferably, the distance abutment mechanism 24 is capable of forcing the distance thimble 242 to rise from below the weld between the first mounting plate 21 and the second mounting plate 22 to between the two sheet metal parts by controlling the axial movement of the press head housing 247 to define the width of the weld between the two sheet metal parts. Preferably, the lifting and dropping actions of the distance thimble 242 in the present application are realized by the matching motions of the locking member 243, the pressing rod 244, the guide rail 245 and the elastic member 246 when the pressing head shell 247 is pressed for multiple times, and the specific structural principle of the part is formed by adopting the existing ball-point pen pressing switch mechanism to perform huge design, so that the part of the structure is not repeated herein, and is a reference of the ball-point pen pressing switch mechanism. The distance thimble 242 can be adjustably subjected to vertical reciprocating lifting movement, so that when the sheet metal parts to be welded are assembled, the distance thimble 242 arranged between the first mounting plate 21 and the second mounting plate 22 can define a butt gap, and the relative positions between the sheet metal parts respectively arranged on the first mounting plate 21 and the second mounting plate 22 are effectively defined. The distance thimble 242 of this application can be with the size of high accuracy prescribing a limit to the welding seam, for manual regulation, this prescribing a limit to the structure can directly carry out the butt of sheet metal component on first mounting panel 21 and second mounting panel 22 and put the welding seam that can form a settlement size, has greatly improved the convenience that the welding seam set for. In addition, under the condition that the size of the welding seam is positioned, the sheet metal parts can be effectively limited on the first mounting plate 21 and the second mounting plate 22 through the matching of the positioning mechanism 26 and the pressing piece 27, and shielding of the distance thimble 242 is removed by controlling the falling shrinkage of the distance thimble 242 in the state, so that the welding module 3 is convenient to weld the welding seam position.

Preferably, the elevation base 25 includes a first elevation column 251 capable of adjusting the suspension height of the first mounting plate 21 on the table 1, and a second elevation column 252 and a third elevation column 253 for supporting the second mounting plate 22. It is further preferred that the second lifting column 252 and the third lifting column 253 are capable of changing the suspension height or inclination angle of the second mounting plate 22 on the table 1 in a synchronous or differential motion so that the second mounting plate 22, which is initially coplanar with the first mounting plate 21, is capable of being deflected about its plate body edge under the control of the third lifting column 253 so that the two planes defined by the first and second mounting plates 21 and 22, respectively, intersect with an adjustable angle. Preferably, the differential motion means that a lifting change of the height difference occurs between the second lifting column 252 and the third lifting column 253 such that the height of the second lifting column 252 is lower than the distance of the third lifting column 253. Specifically, the second elevating column 252 in the differential motion may be such that no elevating change in the supporting height occurs, only the third elevating column 253 changes in the supporting height, so that the second mounting plate 22 defined by both supports is inclined, so that the two planes defined by the first mounting plate 21 and the second mounting plate 22 respectively change from the initial coplanar state to the intersecting state having the included angle, and the magnitude of the included angle is changed in synchronization with the change in the height difference between the third elevating column 253 and the second elevating column 252.

Preferably, the first lifting column 251, the second lifting column 252 and the third lifting column 253 are capable of having an axially length adjustable hydraulic telescopic rod. It is further preferred that the second mounting plate 22 is mounted with at least two second lifting columns 252 near the plate bottom side of the first mounting plate 21. At least two third lifting columns 253 are arranged on the side, far away from the plate bottom of the first mounting plate 21, of the second mounting plate 22, so that the second mounting plate 22 tilts when the second lifting columns 252 and the third lifting columns 253 perform differential expansion and contraction. It is further preferable that the axial lower end of the second elevating column 252 is vertically supported on the table 1, and the axial upper end of the second elevating column 252 is hinged with the second mounting plate 22 so that the second mounting plate 22 can also rotate about its connection position with the second elevating column 252 while following the height change of the second elevating column 252. Further preferably, both ends of the third lifting column 253 are hinged to the bottom surfaces of the workbench table 1 and the second mounting plate 22 respectively, so that the third lifting column 253 drives the second mounting plate 22 to lift and synchronously deflect according to practical situations. This application is through setting up lifting base 25 for first mounting panel 21 and second mounting panel 22 can be in the different altitude planes build the loading platform that is used for settling the location sheet metal component, thereby the edge carries out sheet metal component's location, butt joint and welding. Particularly, the second lifting column 252 and the third lifting column 253 in the lifting base 25 can lift at different heights, so that the heights supported by the second lifting column 252 and the third lifting column 253 are different, two sides of the plate body of the second mounting plate 22 are supported at different height positions, the second mounting plate 22 is in an inclined state, the second mounting plate 22 positioned in an inclined manner and the first mounting plate 21 positioned horizontally can respectively limit two sheet metal parts to be welded in different planes, and therefore butt joint and welding of the two sheet metal parts in an included angle are realized, and welding processing of the sheet metal parts with the requirements on angles is met.

Preferably, the positioning mechanism 26 includes a guide rail groove 261, a screw 262, a slider 263, and an abutment lever 264 that are provided in the first mounting plate 21 and the second mounting plate 22. Further preferably, the abutment lever 264 is supported on a surface of a slider 263 penetrating the lever body of the screw 262, and the screw 262 is movably inserted in the guide rail groove 261 in such a manner as to be rotatable about its own axis. Preferably, the plurality of guide grooves 261 are arranged along different directions, so that the plurality of positioning mechanisms 26 in the same plate body can limit the sheet metal part arranged on the plate body from different directions. Preferably, the two abutting rods 264 in the two adjacent directions of the edges of the first mounting plate 21 opposite to the second mounting plate 22 pass through the two sliding blocks 263 and are penetrated on the same screw 263, and the screw directions of the threads on the rod body sections where the two sliding blocks 263 are positioned are opposite to each other, so that when the screw 262 is driven by the rotation driving motor to rotate, the two sliding blocks on the same screw move oppositely or back to each other, and thus the two abutting rods 264 clamp the sheet metal parts from two sides in the process of simultaneously approaching the two sliding blocks.

Preferably, the pressing bar 271 of the pressing member 27 is adjustably attached to the surface of the sheet metal member remote from the first mounting plate 21 or the second mounting plate 22 under the expansion and contraction of the hydraulic strut 272. Preferably, the L-shaped support rod 273 rotatably supports the hydraulic support rod 272 and the pressing bar 271 above the first mounting plate 21 or the second mounting plate 22, and when the sheet metal part is positioned and placed on the first mounting plate 21 or the second mounting plate 22, the hydraulic support rod 272 and the pressing bar 271 are adjusted to be positioned above the sheet metal part by rotating the support rod 273, so that the pressing bar 271 is attached to the surface of the sheet metal part by adjusting the length of the hydraulic support rod 272. Preferably, the support rod 273 is rotatable about the table 1 to which it is connected, and the support rod 273 is also rotatably connected to the hydraulic prop 272, the support rod 273 being capable of rotating the hydraulic prop 272 while the hydraulic prop 272 is capable of rotating relative to the support rod 273. Preferably, the crossbar of the L-shaped support bar 273 is also capable of rotating about its own axis so that it can bring the hydraulic strut 272 into an angle with the projection of the support bar 273 in the vertical plane.

Preferably, the table 1 also supports a welder module 3. The welder module 3 comprises a welder and a displacement assembly capable of driving the welder to move in multiple directions over the first mounting plate 21 and the second mounting plate 22.

The utility model is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present utility model, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present utility model, fall within the scope of protection of the present utility model. It should be understood by those skilled in the art that the present description and drawings are illustrative and not limiting to the claims. The scope of the utility model is defined by the claims and their equivalents. Throughout this document, the word "preferably" is used in a generic sense to mean only one alternative, and not to be construed as necessarily required, so that the applicant reserves the right to forego or delete the relevant preferred feature at any time.

Claims (10)

1. The sheet metal part welding device comprises a workbench table (1) for arranging a sheet metal part limiting assembly (2) and a welding module (3), and is characterized in that,

the sheet metal part limiting assembly (2) limits the sheet metal parts to be welded in a manner that the welding included angle between the two sheet metal parts to be welded can be regulated and limited, the sheet metal part limiting assembly (2) comprises a first mounting plate (21) and a second mounting plate (22) for placing the sheet metal parts to be welded, wherein,

the plate body side edge of the first mounting plate (21) is connected with the plate body side edge of the second mounting plate (22) through a rotating shaft mechanism (23), and at least two rotating shaft mechanisms (23) are coaxially arranged in a mode of having a spacing distance;

the first mounting plate (21) and the second mounting plate (22) are mounted on the workbench table (1) through a lifting base (25), and the lifting base (25) can drive the second mounting plate (22) to rotate around the edge of the plate body, which is close to the first mounting plate (21), of the second mounting plate.

2. Sheet metal part welding device according to claim 1, characterized in that the lifting base (25) comprises a first lifting column (251) capable of adjusting the suspension height of the first mounting plate (21) on the table (1), and a second lifting column (252) and a third lifting column (253) for supporting the second mounting plate (22),

the second lifting column (252) and the third lifting column (253) can change the suspension height or the inclination angle of the second mounting plate (22) on the workbench table (1) in a synchronous motion or differential motion mode, so that the second mounting plate (22) which is in an initial state of being coplanar with the first mounting plate (21) can deflect around the edge of the plate body under the control of the third lifting column (253), and the two planes respectively defined by the first mounting plate (21) and the second mounting plate (22) are intersected in a mode of having an adjustable included angle.

3. The sheet metal part welding device of claim 2, wherein the first lifting column (251), the second lifting column (252) and the third lifting column (253) are capable of having a hydraulic telescopic rod with adjustable axial length,

at least two second lifting columns (252) are arranged on one side, close to the bottom of the first mounting plate (21), of the second mounting plate (22), at least two third lifting columns (253) are arranged on one side, far away from the bottom of the first mounting plate (21), of the second mounting plate (22), and when the second lifting columns (252) and the third lifting columns (253) are in differential expansion and contraction, the second mounting plate (22) is inclined.

4. A sheet metal part welding device as claimed in claim 3, wherein an axially lower end of the second lifting column (252) is vertically supported on the table (1), and an axially upper end of the second lifting column (252) is hinged with the second mounting plate (22);

both ends of the third lifting column (253) are respectively hinged with the bottom surfaces of the workbench table (1) and the second mounting plate (22).

5. Sheet metal part welding device according to claim 4, characterized in that a distance abutment mechanism (24) for limiting the distance between the sheet metal parts limited by the first mounting plate (21) and the second mounting plate (22) is further arranged between the first mounting plate and the second mounting plate, and the distance abutment mechanism (24) is arranged on the workbench table (1) in a lifting manner.

6. Sheet metal part welding device according to claim 5, characterized in that the distance abutment mechanism (24) comprises a housing (241), a distance thimble (242), a locking member (243), a compression bar (244) and a guide rail (245), wherein,

the distance thimble (242) is inserted in the shell (241), and one end of the distance thimble (242) sleeved with the elastic piece (246) penetrates through the shell (241) and is adjustably inserted between the first mounting plate (21) and the second mounting plate (22).

7. Sheet metal part welding device according to claim 6, characterized in that one end of the distance thimble (242) remote from the first mounting plate (21) and the second mounting plate (22) is sleeved with the locking piece (243);

the outside of the locking piece (243) is sleeved with a pressing rod (244) in a sliding way, and the outside of the pressing rod is sleeved with the guide rail (245) arranged on the inner wall of the shell (241) in a sliding way;

one end of the locking piece (243) far away from the distance thimble (242) is also connected with a pressing head shell (247) penetrating through the other end part of the shell (241).

8. The sheet metal part welding device according to claim 7, wherein a positioning mechanism (26) is further arranged on the upper surfaces of the first mounting plate (21) and the second mounting plate (22), and the positioning mechanism (26) can perform abutting limiting on non-welding edges of two sheet metal parts to be welded so as to limit the relative positions of the sheet metal parts on the first mounting plate (21) and the second mounting plate (22).

9. The sheet metal part welding device of claim 8, wherein the positioning mechanism (26) comprises a guide rail groove (261), a screw (262), a slider (263) and an abutment rod (264) which are formed in the first mounting plate (21) and the second mounting plate (22), wherein,

the abutting rod (264) is supported on the surface of the sliding block (263) penetrating through the rod body of the screw rod (262), and the screw rod (262) is movably inserted into the guide rail groove (261) in a mode of rotating around the axis of the screw rod.

10. The sheet metal part welding device according to claim 9, wherein a pressing piece (27) capable of pressing the positioned sheet metal part against the first mounting plate (21) or the second mounting plate (22) is further supported on the upper surfaces of the first mounting plate (21) and the second mounting plate (22),

the pressing bar (271) of the pressing piece (27) is adjustably attached to the surface of the sheet metal part, which is far away from the first mounting plate (21) or the second mounting plate (22), under the expansion and contraction of the hydraulic supporting rod (272).