CN109093312B - Welding and positioning device for bent angle plate - Google Patents
Welding and positioning device for bent angle plate Download PDFInfo
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- CN109093312B CN109093312B CN201811165287.8A CN201811165287A CN109093312B CN 109093312 B CN109093312 B CN 109093312B CN 201811165287 A CN201811165287 A CN 201811165287A CN 109093312 B CN109093312 B CN 109093312B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a welding positioning device for bent angle plates, and relates to the technical field of welding clamps. The invention comprises a workbench, wherein a positioning rectangular block is fixed on the upper surface of the workbench; a first guide groove is formed in the opposite side face of the positioning rectangular block; a first folding plate side pushing assembly and a second folding plate side pushing assembly are respectively matched between the inner walls of the two first guide grooves in a sliding way; a first telescopic member mounting seat is fixed on one side surface of the positioning rectangular block; a first telescopic piece is fixedly penetrated through one surface of the first telescopic piece mounting seat; the upper surface of the positioning rectangular block is provided with a second guide groove; a triangular guide groove is formed in the opposite inner wall of the second guide groove. According to the invention, the first folding plate side pushing assembly and the second folding plate side pushing assembly are designed to ensure that the bending welding is carried out and the opposite directions are flush, the compression joint assembly reduces the deformation of the welding joint, and the welding stress is released under the combined action after the welding is finished, so that the problems of large welding deformation and welding stress of the existing sheet metal are solved.
Description
Technical Field
The invention belongs to the technical field of welding clamps, and particularly relates to a welding positioning device for a bent plate.
Background
Sheet metal is sometimes also called "stamping", and typically involves plastic deformation of some sheet metal by hand or die stamping to form the desired shape and size, and may be further formed into more complex parts by welding or a small number of mechanical processes.
In the prior art, two metal plates are directly welded together through a welding device after being butt-jointed, the deformation of the welded metal plate is large due to the fact that the welded metal plate is thinner, and meanwhile, the welding stress inside the metal plate is also large, the service performance is not enough, and when two right-angle metal plates are welded or two ends of the bent metal plate are welded together to form a rectangular frame, opposite surfaces are not parallel and have distortion.
Disclosure of Invention
The invention aims to provide a corner plate welding positioning device, which ensures that the bending welding is carried out in opposite flush through a designed first folding plate side pushing assembly and a second folding plate side pushing assembly, the deformation of a welding seam is reduced through a pressing seam assembly, the welding stress is released under the combined action after the welding is finished, and the problems of large welding deformation and welding stress of the existing sheet metal are solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a welding and positioning device for a bent plate, which comprises a workbench, wherein a positioning rectangular block is fixed on the upper surface of the workbench; a first guide groove is formed in one opposite side face of the positioning rectangular block; a first folding plate side pushing assembly and a second folding plate side pushing assembly are respectively matched between the inner walls of the two first guide grooves in a sliding way; a first telescopic member mounting seat is fixed on one side surface of the positioning rectangular block; a first telescopic piece is fixedly penetrated through one surface of the first telescopic piece mounting seat; the upper surface of the positioning rectangular block is provided with a second guide groove; a triangular guide groove is formed in the opposite inner wall of the second guide groove; a pressing seam component is in sliding fit with the opposite inner walls of the second guide groove; the upper surface of the positioning rectangular block is fixedly provided with a second telescopic member mounting seat; a second telescopic member is fixedly penetrated through one surface of the second telescopic member mounting seat;
the first folding plate side pushing assembly comprises a sliding block plate; one end of the first telescopic piece is hinged with one surface of the sliding block plate through a first hinged support; a fixed roller group substrate is fixed on one surface of the sliding block plate; two first support plates are fixed on one surface of the fixed roller group substrate; a first electric roller is fixed between the opposite surfaces of one end, far away from the base plate of the fixed roller group, of the two first support plates; a plurality of first driven rollers are linearly arranged and fixed between the opposite surfaces of the two first support plates; a plurality of dovetail-shaped guide grooves are formed in one side surface of the sliding block plate; a plurality of dovetail-shaped guide grooves are in sliding fit with a movable roller assembly; the movable roller assembly comprises a movable roller group substrate; a plurality of dovetail guide blocks are fixed on one surface of the movable roller group base plate; the dovetail guide block is in sliding fit with the dovetail guide groove; two second supporting plates are fixed on the other surface of the base plate of the movable roller group; a second electric roller is fixed between the opposite surfaces of one end, far away from the base plate of the movable roller group, of the two second support plates; the first motorized pulley and the second motorized pulley rotate in opposite directions; a plurality of second driven rollers are linearly arranged and fixed between the opposite surfaces of the two second support plates; two studs are fixed on one side surface of the movable roller group substrate; two lug plates are fixed on one surface of the sliding block plate; the stud is in clearance fit with the lug hole; one end of the stud is connected with a plurality of locking nuts in a threaded manner, and the distance between the first electric roller and the second electric roller is adjusted through the locking nuts so as to meet the requirements of weldments with different thicknesses; the first folding plate side pushing assembly clamps a second welding folding plate;
the joint pressing assembly comprises a vertical guide block; one end of the second telescopic piece is hinged with the upper surface of the vertical guide block through a second hinged support; the opposite end surfaces of the vertical guide blocks are respectively provided with a triangular prism guide block; the triangular prism guide block is in sliding fit with the triangular guide groove; a pressing joint rectangular frame is fixed on one side surface of the vertical guide block; universal wheels are fixedly arranged on the lower surface of the pressing joint rectangular frame in a matrix arrangement mode; the universal wheels press the joint edges of the first welding bending plate and the second welding bending plate;
a limit stop is fixed on the upper surface of the workbench; the upper surface of the workbench is provided with a plurality of rectangular through holes in a linear arrangement manner;
and a welding seam positioning assembly is arranged on the lower surface of the workbench.
Further, the first guide groove is of a convex structure.
Further, the structure of the second folding plate side pushing assembly is the same as that of the first folding plate side pushing assembly; the second folding plate side pushing assembly comprises a second sliding block plate; and the second folding plate side pushing assembly clamps the first welding folding plate.
Further, a fourth telescopic member mounting seat is fixed on the other side surface of the positioning rectangular block; a fourth telescopic member is fixedly penetrated through one surface of the fourth telescopic member mounting seat; one end of the fourth telescopic piece is hinged with one surface of the second sliding block plate through a fourth hinged support.
Further, the weld positioning assembly includes a control master lever; a plurality of first single lugs are linearly arranged and fixed on the upper surface of the control main rod; the first single lug is hinged with a limiting block through a connecting rod.
Further, a third telescopic piece mounting seat, a first supporting guide block and a second supporting guide block are sequentially fixed on the lower surface of the workbench in a linear arrangement mode from one end of the workbench to the opposite end of the workbench; a third telescopic member is fixed on one side surface of the third telescopic member mounting seat; the movable end of the third telescopic piece is hinged with one end surface of the control main rod through a third hinged support; the third telescopic piece comprises a cylinder or an electric telescopic rod; a first guide through hole is formed in one side surface of the first support guide block; the inner wall of the first guide through hole is in sliding fit with the control main rod; a second guide through hole is formed in one side surface of the second support guide block; the inner wall of the second guide through hole is in sliding fit with the control main rod.
Further, a plurality of fixed supporting legs are fixed on the lower surface of the workbench.
The invention has the following beneficial effects:
1. according to the invention, through the designed first folding plate side pushing assembly and the second folding plate side pushing assembly, the two folding plate side pushing assemblies clamp and weld the folding plates to move oppositely, so that the folding plates are ensured to be flush towards the opposite side after being welded.
2. According to the invention, the seam pressing assembly presses the seam edges of the two welded bending plates in the welding process, so that the deformation of the seam edges in welding is reduced.
3. According to the invention, after welding is finished, the first folding plate side pushing assembly, the second folding plate side pushing assembly and the joint pressing assembly drive welded weldments to reciprocate in the welding line direction through rotation of four electric rollers, and the welded weldments release welding stress under the pressure action of the rollers and universal wheels.
4. The welding seam positioning assembly is convenient for positioning welding, namely the position of the welding seam, and is convenient for machine welding.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a structure of a corner plate welding and positioning device according to the present invention from a top view when in use;
FIG. 2 is a schematic view of the structure of the bottom view of FIG. 1;
FIG. 3 is a schematic view of a first flap side pushing assembly;
FIG. 4 is a schematic structural view of a pinch seam assembly;
in the drawings, the list of components represented by the various numbers is as follows:
1-workbench, 2-first folding plate side pushing component, 3-seam pressing component, 4-positioning rectangular block, 5-sliding block plate, 6-fixed roller group base plate, 7-movable roller group base plate, 8-locking nut, 9-welding seam positioning component, 10-third telescopic piece, 11-first welding folding plate, 12-second welding folding plate, 13-second folding plate side pushing component, 101-limit stop, 102-rectangular through hole, 103-first supporting guide block, 104-first guiding through hole, 105-second supporting guide block, 106-second guiding through hole, 107-third telescopic piece mounting seat, 108-fixed supporting leg, 301-vertical guide block, 302-seam pressing rectangular frame, 303-universal wheel, 304-triangular prism guide blocks, 401-first guide grooves, 402-second guide grooves, 403-triangular guide grooves, 404-first telescopic mounting seats, 405-first telescopic, 406-second telescopic mounting seats, 407-second telescopic, 408-fourth telescopic mounting seats, 409-fourth telescopic, 501-dovetail guide grooves, 502-lug plates, 601-first support plates, 602-first electric rollers, 603-first driven rollers, 701-second support plates, 702-second electric rollers, 703-second driven rollers, 704-studs, 705-dovetail guide blocks, 901-control total rods, 902-first single lugs, 903-connecting rods, 904-limiting blocks.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the invention discloses a welding and positioning device for bent angle plates, which comprises a workbench 1, wherein a positioning rectangular block 4 is fixed on the upper surface of the workbench 1;
a first guide groove 401 is formed in one opposite side surface of the positioning rectangular block 4; a first folding plate side pushing component 2 and a second folding plate side pushing component 13 are respectively matched between the inner walls of the two first guide grooves 401 in a sliding way; a first telescopic member mounting seat 404 is fixed on one side surface of the positioning rectangular block 4; a first telescopic member 405 is fixedly penetrated through one surface of the first telescopic member mounting seat 404; the upper surface of the positioning rectangular block 4 is provided with a second guide groove 402; a triangular guide groove 403 is formed on the opposite inner wall of the second guide groove 402; a second guide groove 402 is matched with the pressing joint component 3 in a sliding way between the opposite inner walls; a second telescopic member mounting seat 406 is fixed on the upper surface of the positioning rectangular block 4; a second telescopic member 407 is fixedly penetrated through one surface of the second telescopic member mounting seat 406;
the first flap side pushing assembly 2 comprises a slider plate 5; one end of the first telescopic member 405 is hinged with one surface of the slider plate 5 through a first hinge support; a fixed roller group base plate 6 is fixed on one surface of the sliding block plate 5; two first support plates 601 are fixed on one surface of the fixed roller group substrate 6; a first motorized pulley 602 is fixed between the opposite surfaces of the two first support plates 601, which are far away from one end of the fixed pulley group substrate 6; three first driven rollers 603 are fixed between the opposite surfaces of the two first support plates 601 in a linear arrangement; three dovetail-shaped guide grooves 501 are formed in one side face of the sliding block plate 5; the three dovetail guide slots 501 are slidably fitted with a movable roller assembly; the movable roller assembly comprises a movable roller group substrate 7; three dovetail guide blocks 705 are fixed on one surface of the movable roller group base plate 7; dovetail guide block 705 is in sliding engagement with dovetail guide slot 501; two second support plates 701 are fixed on the other surface of the movable roller group substrate 7; a second motorized pulley 702 is fixed between the opposite surfaces of the two second support plates 701 away from the end of the base plate 7 of the motorized pulley set; the first motorized pulley 602 rotates in opposition to the second motorized pulley 702; three second driven rollers 703 are linearly arranged and fixed between the opposite surfaces of the two second support plates 701; two studs 704 are fixed on one side surface of the movable roller group base plate 7; two lug plates 502 are fixed on one surface of the sliding block plate 5; stud 704 is in clearance fit with the aperture of ear plate 502; one end of the stud 704 is in threaded connection with two locking nuts 8, and the distance between the first motorized pulley 602 and the second motorized pulley 702 is adjusted through the locking nuts so as to meet the requirements of weldments with different thicknesses; clamping a second welding bending plate 12 on the first bending plate side pushing assembly 2;
the pinch seam assembly 3 comprises a vertical guide block 301; one end of the second telescopic piece 407 is hinged with the upper surface of the vertical guide block 301 through a second hinged support; a triangular prism guide block 304 is arranged on one opposite end surface of the vertical guide block 301; the triangular prism guide block 304 is in sliding fit with the triangular guide groove 403; a pressing joint rectangular frame 302 is fixed on one side of the vertical guide block 301; universal wheels 303 are fixedly arranged on the lower surface of the pressing joint rectangular frame 302 in a matrix arrangement manner; the universal wheel 303 presses the joint edges of the first welding bending plate 11 and the second welding bending plate 12;
a limit stop 101 is fixed on the upper surface of the workbench 1; three rectangular through holes 102 are linearly arranged on the upper surface of the workbench 1;
the lower surface of the workbench 1 is provided with a welding seam positioning assembly 9.
Wherein the first guide groove 401 has a "convex" shape as shown in fig. 1.
The structure of the second folding plate side pushing component 13 is the same as that of the first folding plate side pushing component 2; the second flap side pushing assembly 13 includes a second slider plate; the second folding plate side pushing assembly 13 clamps the first welding folding plate 11.
Wherein as shown in fig. 1 and 2, the other side surface of the positioning rectangular block 4 is fixed with a fourth telescopic member mounting seat 408; a fourth telescopic member 409 is fixedly arranged on one surface of the fourth telescopic member mounting seat 408 in a penetrating manner; one end of the fourth telescopic member 409 is hinged to a surface of the second slider plate through a fourth hinge support.
Wherein, as shown in fig. 2, the weld positioning assembly 9 includes a control master rod 901; three first single lugs 902 are linearly arranged and fixed on the upper surface of the control main rod 901; the first single lug 902 is hinged with a limiting block 904 through a connecting rod 903.
As shown in fig. 2, a third telescopic member mounting seat 107, a first supporting guide block 103 and a second supporting guide block 105 are sequentially fixed on the lower surface of the workbench 1 in a linear arrangement from one end of the workbench 1 to the opposite end of the workbench 1; a third telescopic member 10 is fixed on one side of the third telescopic member mounting seat 107; the movable end of the third telescopic piece 10 is hinged with one end surface of the control main rod 901 through a third hinged support; the third telescopic member 10 comprises a cylinder or an electric telescopic rod; a first guide through hole 104 is formed in one side surface of the first support guide block 103; the inner wall of the first guide through hole 104 is in sliding fit with the control main rod 901; a second guide through hole 106 is formed in one side surface of the second support guide block 105; the inner wall of the second guide through hole 106 is in sliding fit with the control total rod 901.
Wherein four fixed support legs 108 are fixed to the lower surface of the table 1 as shown in fig. 1 and 2.
The working principle of the invention is as follows; the two driving rollers at the front end of the second folding plate side pushing assembly 13 rotate inwards in opposite directions to push the first welding folding plate 11 to the position of the limit stop 101, the second welding folding plate 12 is installed on the first folding plate side pushing assembly 2 through the same operation, the third telescopic piece 10 is started to drive the control total rod 901 to move horizontally so as to drive the limit block 904 to move upwards, the fourth telescopic piece 409 is started to drive the second folding plate side pushing assembly 13 to move towards the limit block 904 until the second folding plate 11 is in hard contact with the limit block 904, at the moment, the state is as shown in fig. 1, the third telescopic piece 10 is started again to drive the control total rod 901 to move in opposite directions to drive the limit block 904 to move downwards, the first telescopic piece 405 is started to drive the first folding plate side pushing assembly 2 to drive the second welding folding plate 12 to move towards the first welding folding plate 11 until the first welding folding plate 11 is stopped after the first welding folding plate 11 is in hard contact with the second folding plate, the second telescopic piece 407 is started to drive the pressure joint assembly 3 to move downwards until the universal wheel 303 presses the edge of the first welding folding plate 11 to move towards the limit block 904 until the limit block 904, the welding assembly 13 is pressed down, and the welding assembly 2 is pressed down, and the welding stress is relieved by the welding assembly is simultaneously, and the welding assembly is pressed on the first folding plate 3 side folding plate 13, and the welding assembly is in the state that the welding assembly is in the welding process, and the welding assembly is pressed.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (7)
1. The utility model provides a bent angle panel welding positioning device which characterized in that: the automatic positioning device comprises a workbench (1), wherein a positioning rectangular block (4) is fixed on the upper surface of the workbench (1);
a first guide groove (401) is formed in one opposite side face of the positioning rectangular block (4); the inner walls of the two first guide grooves (401) are respectively in sliding fit with a first folding plate side pushing assembly (2) and a second folding plate side pushing assembly (13); a first telescopic piece mounting seat (404) is fixed on one side surface of the positioning rectangular block (4); a first telescopic piece (405) is fixedly penetrated on one surface of the first telescopic piece mounting seat (404); the upper surface of the positioning rectangular block (4) is provided with a second guide groove (402); a triangular guide groove (403) is formed in one opposite inner wall of the second guide groove (402); a pressing seam assembly (3) is slidably matched between opposite inner walls of the second guide groove (402); a second telescopic piece mounting seat (406) is fixed on the upper surface of the positioning rectangular block (4); a second telescopic piece (407) is fixedly penetrated on one surface of the second telescopic piece mounting seat (406);
the first folding plate side pushing assembly (2) comprises a sliding block plate (5); one end of the first telescopic piece (405) is hinged with one surface of the sliding block plate (5) through a first hinged support; a fixed roller group base plate (6) is fixed on one surface of the sliding block plate (5); two first support plates (601) are fixed on one surface of the fixed roller group substrate (6); a first electric roller (602) is fixed between the opposite surfaces of one end of the two first support plates (601) far away from the fixed roller group base plate (6); a plurality of first driven rollers (603) are linearly arranged and fixed between the opposite surfaces of the two first support plates (601); a plurality of dovetail-shaped guide grooves (501) are formed in one side surface of the sliding block plate (5); a plurality of dovetail-shaped guide grooves (501) are in sliding fit with movable roller assemblies; the movable roller assembly comprises a movable roller group substrate (7); a plurality of dovetail guide blocks (705) are fixed on one surface of the movable roller group base plate (7); the dovetail guide block (705) is in sliding fit with the dovetail guide groove (501); two second support plates (701) are fixed on the other surface of the movable roller group substrate (7); a second electric roller (702) is fixed between the opposite surfaces of one end of the two second support plates (701) far away from the movable roller group base plate (7); a plurality of second driven rollers (703) are linearly arranged and fixed between the opposite surfaces of the two second support plates (701); two studs (704) are fixed on one side surface of the movable roller group substrate (7); two lug plates (502) are fixed on one surface of the sliding block plate (5); the stud (704) is in clearance fit with the hole of the ear plate (502); one end of the stud (704) is connected with a plurality of locking nuts (8) in a threaded manner;
the pinch seam assembly (3) comprises a vertical guide block (301); one end of the second telescopic piece (407) is hinged with the upper surface of the vertical guide block (301) through a second hinged support; one opposite end face of the vertical guide block (301) is provided with a triangular prism guide block (304); the triangular prism guide block (304) is in sliding fit with the triangular guide groove (403); a pressing joint rectangular frame (302) is fixed on one side surface of the vertical guide block (301); universal wheels (303) are fixedly arranged on the lower surface of the pressing joint rectangular frame (302) in a matrix arrangement mode;
a limit stop (101) is fixed on the upper surface of the workbench (1); the upper surface of the workbench (1) is provided with a plurality of rectangular through holes (102) in a linear arrangement;
the lower surface of the workbench (1) is provided with a welding seam positioning assembly (9).
2. The corner plate welding and positioning device according to claim 1, wherein the first guide groove (401) has a convex structure.
3. The welding and positioning device for bent angle plates according to claim 1, wherein the second folding plate side pushing assembly (13) has the same structure as the first folding plate side pushing assembly (2); the second flap side pushing assembly (13) comprises a second slider plate.
4. The welding and positioning device for the bent angle plates according to claim 1, wherein a fourth telescopic piece mounting seat (408) is fixed on the other side surface of the positioning rectangular block (4); a fourth telescopic piece (409) is fixedly penetrated on one surface of the fourth telescopic piece mounting seat (408); one end of the fourth telescopic piece (409) is hinged with one surface of the second sliding block plate through a fourth hinged support.
5. A corner plate welding positioning device according to claim 1, characterized in that the weld positioning assembly (9) comprises a control master rod (901); the upper surface of the control main rod (901) is linearly arranged and fixed with a plurality of first single lugs (902); the first single lug (902) is hinged with a limiting block (904) through a connecting rod (903).
6. The welding and positioning device for the bent angle plate according to claim 1, wherein a third telescopic piece mounting seat (107), a first supporting guide block (103) and a second supporting guide block (105) are sequentially fixed on the lower surface of the workbench (1) from one end of the workbench (1) to the opposite end of the workbench (1) in a linear arrangement manner; a third telescopic piece (10) is fixed on one side surface of the third telescopic piece mounting seat (107); the movable end of the third telescopic piece (10) is hinged with one end surface of the control main rod (901) through a third hinged support; the third telescopic piece (10) comprises a cylinder or an electric telescopic rod; a first guide through hole (104) is formed in one side surface of the first support guide block (103); the inner wall of the first guide through hole (104) is in sliding fit with the control main rod (901); a second guide through hole (106) is formed in one side surface of the second support guide block (105); the inner wall of the second guide through hole (106) is in sliding fit with the control main rod (901).
7. The welding and positioning device for bent plates according to claim 1, wherein a plurality of fixed supporting legs (108) are fixed on the lower surface of the workbench (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811165287.8A CN109093312B (en) | 2018-10-08 | 2018-10-08 | Welding and positioning device for bent angle plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811165287.8A CN109093312B (en) | 2018-10-08 | 2018-10-08 | Welding and positioning device for bent angle plate |
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| CN109093312A CN109093312A (en) | 2018-12-28 |
| CN109093312B true CN109093312B (en) | 2023-09-26 |
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| CN201811165287.8A Active CN109093312B (en) | 2018-10-08 | 2018-10-08 | Welding and positioning device for bent angle plate |
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| CN109434361B (en) * | 2019-01-07 | 2023-09-26 | 安徽海溢鑫科技有限公司 | Laser welding tool |
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| CN109093312A (en) | 2018-12-28 |
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