CN214602466U

CN214602466U - Cover and fixed plate welding tool for silencer

Info

Publication number: CN214602466U
Application number: CN202022879417.3U
Authority: CN
Inventors: 王仕东
Original assignee: CHANGZHOU DONGSHIHAO MACHINERY MANUFACTURING CO LTD
Current assignee: CHANGZHOU DONGSHIHAO MACHINERY MANUFACTURING CO LTD
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-11-05
Anticipated expiration: 2030-12-02

Abstract

The utility model relates to a welding tool for a cover and a fixing plate of a silencer, which comprises an upper template and a lower template; the welding head is arranged on the upper surface of the lower die plate, the welding head is arranged on the lower surface of the lower die plate, the upper electrode and the lower electrode are fixedly arranged on the lower plane of the upper die plate and the upper plane of the lower die plate respectively, a cover body is clamped between the upper electrode and the lower electrode, the welding points on the upper end and the lower end of the welding end of the cover body are in selective contact with the welding head, two groups of positioning holes are formed in the welding end of the cover body, ceramic positioning columns are inserted into the positioning holes, and the ceramic positioning columns are clamped in the lower electrode. The utility model adopts a structure of pushing and clamping up and down, which can be matched with the inner recess of the cover body to complete the multi-angle multi-joint butt welding process; meanwhile, the technical problem of conduction between the lower electrode and the fixing piece can be solved by utilizing the floating ceramic column; the technical structure of multipoint batch electric welding can improve the butt joint efficiency of electric welding.

Description

Cover and fixed plate welding tool for silencer

Technical Field

The utility model relates to welding auxiliary assembly, especially lid and fixed plate welding frock of muffler.

Background

Welding frock among the prior art, fixed point single welding mostly to accomplish the spot welding punching press according to the form of transportation assembly line, but then can't provide corresponding clamp equipment to the equipment of multiple spot multiple joint and also can't carry out batch electric welding process simultaneously.

Disclosure of Invention

According to the utility model discloses the demand provides a butt joint of floating from top to bottom in order to solve this technical problem, adopts ceramic locating bolt prevention to transfer the lid and the fixed plate welding frock of the muffler that electrode and mounting switched on simultaneously.

The utility model provides a welding tool for a cover and a fixing plate of a silencer, which comprises an upper template and a lower template; the welding head is arranged on the upper surface of the lower die plate, the welding head is arranged on the lower surface of the lower die plate, the upper electrode and the lower electrode are fixedly arranged on the lower plane of the upper die plate and the upper plane of the lower die plate respectively, a cover body is clamped between the upper electrode and the lower electrode, the welding points on the upper end and the lower end of the welding end of the cover body are in selective contact with the welding head, two groups of positioning holes are formed in the welding end of the cover body, ceramic positioning columns are inserted into the positioning holes, and the ceramic positioning columns are clamped in the lower electrode.

Furthermore, the welding heads comprise first welding heads and second welding heads, two groups of first welding heads are diagonally distributed and butted on the assembly end part of the bottom surface of the upper electrode, and four groups of second welding heads are annularly and integrally distributed on the bottom surface of the lower electrode.

Furthermore, the ceramic positioning column comprises a telescopic head and a sleeve, a spring arranged in the sleeve is clamped with the telescopic head, and a base is padded at the bottom of the sleeve.

Furthermore, the upper template and the lower template are in rectangular plate structures, bolt holes are formed in opposite corners of the upper template and the lower template, and bolts screwed in the bolt holes are respectively butted with assembling holes in the upper electrode and the lower electrode.

Furthermore, four groups of power supply jacks are formed in the center positions of the upper template and the lower template, and electric heating tips are arranged in the power supply jacks.

After the structure is adopted, compared with the prior art, the utility model adopts a structure of pushing and clamping up and down, and can be matched with the inner recess of the cover body to complete the multi-angle multi-joint butt welding process; meanwhile, the technical problem of conduction between the lower electrode and the fixing piece can be solved by utilizing the floating ceramic column; the technical structure of multipoint batch electric welding can improve the butt joint efficiency of electric welding.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a front view of the cover and fixing plate welding tool of the muffler of the present invention.

Fig. 2 is a top view of the cover and fixing plate welding tool of the muffler of the present invention.

Fig. 3 is a schematic structural diagram of the electrode on the welding tool for the cover and the fixing plate of the muffler of the present invention.

Fig. 4 is the structure diagram of the lower electrode of the cover and fixing plate welding tool of the silencer of the present invention.

Fig. 5 is a schematic structural diagram of the upper mold plate of the welding fixture for the cover and the fixing plate of the muffler of the present invention.

Fig. 6 is the utility model discloses the structural schematic diagram of the lid of muffler and fixed plate welding frock lower bolster.

Fig. 7 is a schematic structural view of the cover and fixing plate welding tool ceramic positioning bolt of the muffler of the present invention.

In the figure: 1 is an upper template, 2 is a lower template, 3 is a cover plate, 4 is a ceramic positioning column, 5 is a base, 6 is a bolt hole, 7 is a power supply jack, 8 is a bolt, and 9 is an assembly end part;

1-1 is an upper electrode, 2-1 is a lower electrode, 4-1 is a telescopic head, 4-2 is a sleeve, 10-1 is a first welding head, and 10-2 is a second welding head.

Detailed Description

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 7, the cover and fixing plate welding tool for a silencer of the present invention includes an upper mold plate and a lower mold plate; an upper electrode 1-1 and a lower electrode 2-1 are respectively fixedly mounted on the lower plane of the upper template 1 and the upper plane of the lower template, a cover body 3 is clamped between the upper electrode 1-1 and the lower electrode 2-1, welding points at the upper end and the lower end of the welding end of the cover body 3 are in selective contact with a welding head, two groups of positioning holes are formed in the welding end of the cover body 3, ceramic positioning columns 4 are inserted into the positioning holes, and the ceramic positioning columns 4 are clamped in the lower electrodes 2-1. Wherein, the utility model discloses fixed lower bolster 2 docks lid 3 along the locating hole location of ceramic reference column 4 and lid 3 groove part. After the butt joint is finished, the upper template 1 is pressed down, and welding heads butt-jointed and installed on the upper electrode 1-1 and the lower electrode 2-1 are conducted to carry out accurate electric welding on the cover body 3.

As shown in fig. 3 and 4, the welding heads include first welding heads 10-1 and second welding heads 10-2, two sets of first welding heads 10-1 are diagonally distributed and butted against the assembly end portion 9 of the bottom surface of the upper electrode 1-1, and four sets of second welding heads 10-2 are circularly distributed and aligned on the bottom surface of the lower electrode 2-1. Wherein, the first welding head 10-1 at the top is distributed in a diagonal line and can weld point by point at one time, and the second welding head 10-2 can finish electric welding at one time.

As shown in fig. 1 and 7, the ceramic positioning column 4 comprises a telescopic head 4-1 and a sleeve 4-2, a spring arranged in the sleeve 4-2 is clamped with the telescopic head 4-1, and a base 5 is padded at the bottom of the sleeve 4-2. Wherein, ceramic reference column 4 can play the insulating effect of conducting. The structural arrangement of the telescopic head 4-1 can avoid hard contact fracture. The base 5 may serve as a buffer.

As shown in fig. 5 and 6, the upper template 1 and the lower template 2 are rectangular plate-shaped structures, bolt holes 6 are formed in diagonal positions of the upper template 1 and the lower template 2, and bolts 8 screwed in the bolt holes 6 are respectively butted with assembly holes in the upper electrode 1-1 and the lower electrode 2-1. Wherein, the upper electrode 1-1 and the lower electrode 2-1 are respectively arranged on the upper template 1 and the lower template 2 by using bolts 8.

As shown in fig. 5 and 6, four sets of power supply jacks 7 are formed in the center positions of the upper template 1 and the lower template 2, and electric heating tips are arranged in the power supply jacks 7. And a power supply jack 7 is arranged in the centers of the upper template 1 and the lower template 2 and is used for supplying electric energy for electric welding.

Claims

1. The welding tool for the cover and the fixing plate of the silencer comprises an upper template and a lower template; the method is characterized in that: an upper electrode (1-1) and a lower electrode (2-1) are fixedly mounted on the lower plane of the upper template (1) and the upper plane of the lower template respectively, a cover body (3) is clamped between the upper electrode (1-1) and the lower electrode (2-1), welding points at the upper end and the lower end of the welding end of the cover body (3) are in selective contact with a welding head, two groups of positioning holes are formed in the welding end of the cover body (3), ceramic positioning columns (4) are inserted in the positioning holes, and the ceramic positioning columns (4) are clamped in the lower electrode (2-1).

2. The cover and fixing plate welding tool for the silencer according to claim 1, wherein: the welding heads comprise first welding heads (10-1) and second welding heads (10-2), two groups of first welding heads (10-1) are diagonally distributed and butted on the assembly end part (9) of the bottom surface of the upper electrode (1-1), and four groups of second welding heads (10-2) are annularly and integrally distributed on the bottom surface of the lower electrode (2-1).

3. The cover and fixing plate welding tool for the silencer according to claim 1, wherein: the ceramic positioning column (4) comprises a telescopic head (4-1) and a sleeve (4-2), a spring arranged in the sleeve (4-2) is clamped with the telescopic head (4-1), and a base (5) is padded at the bottom of the sleeve (4-2).

4. The cover and fixing plate welding tool for the silencer according to claim 1, wherein: the upper template (1) and the lower template (2) are in rectangular plate-shaped structures, bolt holes (6) are formed in diagonal positions of the upper template (1) and the lower template (2), and bolts (8) screwed in the bolt holes (6) are respectively butted with assembly holes in the upper electrode (1-1) and the lower electrode (2-1).

5. The cover and fixing plate welding tool for the silencer according to claim 4, wherein the tool comprises: four groups of power supply jacks (7) are formed in the center positions of the upper template (1) and the lower template (2), and electric heating tips are arranged in the power supply jacks (7).