CN111331308A - Circumferential assembly welding device - Google Patents

Abstract

The invention relates to a circumferential component welding device which comprises an annular clamp part, a pressing clamp part and a driving part, wherein the annular clamp part is arranged on the annular clamp part; the pressing clamp component is connected with the annular clamp component; the driving part can simultaneously drive the annular clamp part and the pressing clamp part to be connected through gear transmission. The invention realizes the circumferential welding of the diesel engine aftertreatment mixer assembly.

Description

Circumferential assembly welding device

Technical Field

The invention relates to the field of welding equipment for circumferential components of a post-processing mixer of a diesel engine, in particular to a welding device for the circumferential components.

Background

With the stricter regulations on the emission of automobiles, the requirements of diesel engines on the after-treatment of the tail gas of the diesel engines are higher and higher. Thus, the mixer is one of the key parts for the after-treatment of the tail gas of the diesel engine, and the process and manufacture level of the mixer is directly related to the after-treatment level of the tail gas of the diesel engine.

At present, for welding processing of a mixer, automatic robot welding is mostly adopted, but the defects of the prior art are as follows: the beat length, the clamping is difficult, the cost is high, and the development of the current mixer processing manufacturers is seriously restricted.

Disclosure of Invention

Aiming at the defects of the prior art, the invention discloses a circumferential component welding device.

The technical scheme adopted by the invention is as follows:

a circumferential component welding device comprises an annular clamp part, a pressing clamp part and a driving part; the pressing clamp part is connected with the annular clamp part; the driving part can simultaneously drive the annular clamp part and the pressing clamp part to be connected through gear transmission;

the annular clamp component comprises a base, an annular guide rail with a gear, a mounting plate and a welding clamp; the annular guide rail is arranged on the inner wall of the base; the welding fixture is connected with the annular guide rail through the mounting plate, and the welding fixture can rotate around the annular guide rail;

the pressing clamp component comprises a heat transfer clamping block, a linear guide rail, a pneumatic element, a connecting plate, a driven gear, a bearing and a first base; the driving end of the pneumatic element is connected with the heat transfer clamping block through the linear guide rail; the pneumatic element is connected with the driven gear through the connecting plate; the driven gear is connected with the first base through the bearing; the heat transfer clamping block is driven by the driving end of the pneumatic element, and the heat transfer clamping block can stretch along the direction of the linear guide rail and also can rotate around the axial direction of the bearing.

The method is further characterized in that: the driving part comprises a driving shaft, a bearing with a seat, a plurality of driving gears, a speed reducer and a servo motor; a plurality of said drive gears mounted on said drive shaft; the driving shaft penetrates through and is installed in the bearing with the seat; the servo motor rotates the driving shaft to rotate through the speed reducer, so that the driving gear is driven; the plurality of driving gears are respectively meshed with the gear of the annular guide rail and the driven gear.

The method is further characterized in that: the circumferential component welding device also comprises a welding gun head moving part; the welding gun head moving part comprises an X-axis servo electric cylinder, a Y-axis servo electric cylinder, a Z-axis manual adjusting module, a welding gun head and a second base;

the X-axis servo electric cylinder is connected with the Y-axis servo electric cylinder; the Z-axis manual adjusting module is connected with the welding gun head and is arranged on the Y-axis servo electric cylinder; and the X-axis servo electric cylinder is connected with the second base.

The method is further characterized in that: the welding fixture comprises a workpiece, an upper fixture and a lower fixture; the upper clamp and the lower clamp can rotate relatively to clamp the workpiece.

The method is further characterized in that: the pneumatic element is a cylinder.

The invention has the following beneficial effects:

1. the invention can effectively realize the circumferential welding of the mixer, ensure the stability of the welding process and the processing quality of the mixer, and ensure that the after-treatment effect of the tail gas of the diesel engine reaches or even exceeds the requirements of regulations.

2. The circular motion of the whole welding fixture is realized by adopting the annular guide rail with the gear.

3. The invention adopts the uniform driving shaft to drive the annular guide rail and the pressing clamp, thereby realizing the synchronous rotation of the annular guide rail and the pressing clamp.

4. The compressing clamp part of the invention is connected with the linear guide rail through the cylinder, pushes the clamp and leaves space for the clamping of the mixer

5. The welding gun head is driven by the X-axis servo electric cylinder and the Y-axis servo electric cylinder, so that the welding gun head can automatically move.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a top view of the present invention.

FIG. 4 is a schematic view of the construction of the ring clamp assembly.

FIG. 5 is a front view of the ring clamp assembly.

Fig. 6 is a cross-sectional view a-a of fig. 5.

Fig. 7 is a schematic structural view of a hold down clamp assembly.

Fig. 8 is a front view of a hold down clamp assembly.

Figure 9 is a side view of a hold down clamp assembly.

Fig. 10 is a schematic structural view of the driving part.

Fig. 11 is a front view of the drive member.

Fig. 12 is a schematic structural view of a welding torch head moving part.

Fig. 13 is a front view of a welding torch head moving part.

Fig. 14 is a plan view of a welding torch head moving part.

In the figure: 100. an annular clamp member; 101. a base; 102. a geared endless track; 103. mounting a plate; 104. welding a clamp; 200. a compression clamp component; 201. a heat transfer clamping block; 202. a linear guide rail; 203. a pneumatic element; 204. a connecting plate; 205. a driven gear; 206. a bearing; 207. a first base; 300. a drive member; 301. a drive shaft; 302. a pedestal bearing; 303. a drive gear; 304. a speed reducer; 305. a servo motor; 400. welding a gun head moving part; 401. an X-axis servo electric cylinder; 402. a Y-axis servo electric cylinder; 403. a Z-axis manual adjustment module; 404. welding the gun head; 405. a second base; 501. a workpiece; 502. an upper clamp; 503. a lower clamp; 504. a hinge; 600. a machine base.

Detailed Description

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings. Directional terms as referred to in the following examples, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Therefore, the directional terminology used is for the purpose of describing, but not limiting, the invention, and moreover, like reference numerals designate like elements throughout the embodiments.

The following describes a specific embodiment of the present embodiment with reference to the drawings.

Fig. 1 is a schematic structural view of the present invention, fig. 2 is a front view of the present invention, and fig. 3 is a top view of the present invention. Referring to fig. 1, 2 and 3, a circumferential component welding apparatus includes a ring clamp part 100, a pressing clamp part 200 and a driving part 300. A compression clamp member 200 is connected to the ring clamp member 100. The drive member 300 may simultaneously drive the ring clamp member 100 and the compression clamp member connection 200 through gearing.

Fig. 4 is a schematic structural view of a ring clamp member, fig. 5 is a front view of the ring clamp member, and fig. 6 is a sectional view a-a of fig. 5. Referring to fig. 4, 5 and 6, the ring clamp assembly 100 includes a base 101, a geared ring rail 102, a mounting plate 103 and a welding clamp 104. The ring rail 102 is installed on the inner wall of the base 101. Welding fixture 104 is coupled to annular rail 102 via mounting plate 103, and welding fixture 104 is rotatable about annular rail 102. The welding jig 104 includes a work 501, an upper jig 502, and a lower jig 503. The upper clamp 502 and the lower clamp 503 are clamped by a hinge 504. The lower clamp 503 is connected to the ring rail 102 through the mounting plate 103. The upper clamp 502 and the lower clamp 503 can relatively rotate to clamp the workpiece 501 and are locked by a bolt limiting seat.

Fig. 7 is a schematic structural view of the hold-down jig section, fig. 8 is a front view of the hold-down jig section, and fig. 9 is a side view of the hold-down jig section. Referring to fig. 7, 8 and 9, the compressing jig assembly 200 includes a heat transfer clamp block 201, a linear guide 202, a pneumatic element 203, a connecting plate 204, a driven gear 205, a bearing 206 and a first base 207. The drive end of the pneumatic element 203 is connected to the heat transfer clamping block 201 by a linear guide 202. Preferably, the pneumatic element 203 is a pneumatic cylinder. The pneumatic element 203 is connected to a driven gear 205 via a connecting plate 204. The driven gear 14 is connected to the first base 207 through a bearing 206. The heat transfer clamping block 201 is driven by the driving end of the pneumatic element 203, and the heat transfer clamping block 201 can extend and contract along the direction of the linear guide rail 202 and can also rotate around the axial direction of the bearing 206. The driving end of the pneumatic element 203 is connected with the linear guide rail 202 to push the heat transfer clamping block 201, so that a space is reserved for clamping the mixer.

Fig. 10 is a schematic structural view of the driving part, and fig. 11 is a front view of the driving part. Referring to fig. 10 and 11, the driving part 300 includes a driving shaft 301, a seated bearing 302, a plurality of driving gears 303, a reducer 304, and a servo motor 305. A plurality of drive gears 303 are mounted on the drive shaft 301. The drive shaft 301 passes through and is mounted within the pedestal bearing 302. The servo motor 305 rotates the drive shaft 301 via the reduction gear 304, thereby driving the drive gear 303. The plurality of driving gears 303 mesh with the driven gears 205 of the ring rail 102, respectively.

Fig. 12 is a schematic structural view of a welding torch head moving part, fig. 13 is a front view of the welding torch head moving part, and fig. 14 is a plan view of the welding torch head moving part. Referring to fig. 12, 13 and 14, the circumferential assembly welding apparatus further includes a welding torch head moving part 400. The welding torch head moving part 400 comprises an X-axis servo electric cylinder 401, a Y-axis servo electric cylinder 402, a Z-axis manual adjusting module 403, a welding torch head 404 and a second base 405.

Wherein, the X-axis servo cylinder 401 is connected with the Y-axis servo cylinder 402. The Z-axis manual adjustment module 403 is connected with the welding torch head 404, and the Z-axis manual adjustment module 403 is installed on the Y-axis servo electric cylinder 402. The X-axis servo cylinder 401 is connected to a second base 405. The X-axis servo cylinder 401 and the Y-axis servo cylinder 402 convert the rotational motion of the servo motor into linear motion. The X-axis servo electric cylinder 401 and the Y-axis servo electric cylinder 402 drive the welding gun head 404, and automatic movement of the welding gun head 404 is achieved.

The annular clamp part 100, the pressing clamp part 200, the driving part 300 and the welding gun head moving part 400 are all fixed on the machine base 600.

The working principle of the invention is as follows:

after the welding gun head 404 reaches a proper welding position under the action of the X-axis servo electric cylinder 401 and the Y-axis servo electric cylinder 402, the servo motor 305 drives the driving gear 303, and the driving gear 303 drives the annular guide rail 102 with the gear and the heat transfer clamping block 201 to synchronously rotate through the gear so as to realize circumferential welding of the mixer assembly.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The foregoing description is illustrative of the present invention and is not to be construed as limiting thereof, the scope of the invention being defined by the appended claims, which may be modified in any manner without departing from the basic structure thereof.

Claims (5)

1. A circumference subassembly welding set which characterized in that: comprises an annular clamp part (100), a pressing clamp part (200) and a driving part (300); the compression clamp part (200) is connected with the annular clamp part (100); the driving part (300) can simultaneously drive the annular clamp part (100) and the pressing clamp part connection (200) through gear transmission;

the annular clamp component (100) comprises a base (101), an annular guide rail (102) with a gear, a mounting plate (103) and a welding clamp (104); the annular guide rail (102) is mounted on the inner wall of the base (101); the welding clamp (104) is connected with the annular guide rail (102) through the mounting plate (103), and the welding clamp (104) can rotate around the annular guide rail (102);

the pressing clamp component (200) comprises a heat transfer clamping block (201), a linear guide rail (202), a pneumatic element (203), a connecting plate (204), a driven gear (205), a bearing (206) and a first base (207); the driving end of the pneumatic element (203) is connected with the heat transfer clamping block (201) through the linear guide rail (202); the pneumatic element (203) is connected with the driven gear (205) through the connecting plate (204); the driven gear (14) is connected with the first base (207) through the bearing (206); the heat transfer clamping block (201) is driven by the driving end of the pneumatic element (203), and the heat transfer clamping block (201) can extend and contract along the direction of the linear guide rail (202) and can also rotate around the axial direction of the bearing (206).

2. The circumferential component welding apparatus of claim 1, wherein: the driving component (300) comprises a driving shaft (301), a bearing with a seat (302), a plurality of driving gears (303), a speed reducer (304) and a servo motor (305); a plurality of said drive gears (303) mounted on said drive shaft (301); the driving shaft (301) passes through and is installed in the bearing with a seat (302); the servo motor (305) rotates the driving shaft (301) through the speed reducer (304) to rotate, so as to drive the driving gear (303); the plurality of driving gears (303) are respectively meshed with the gear of the annular guide rail (102) and the driven gear (205).

3. The circumferential component welding apparatus of claim 1, wherein: the circumferential component welding device also comprises a welding gun head moving part (400); the welding gun head moving component (400) comprises an X-axis servo electric cylinder (401), a Y-axis servo electric cylinder (402), a Z-axis manual adjusting module (403), a welding gun head (404) and a second base (405);

the X-axis servo electric cylinder (401) is connected with the Y-axis servo electric cylinder (402); the Z-axis manual adjusting module (403) is connected with the welding gun head (404), and the Z-axis manual adjusting module (403) is installed on the Y-axis servo electric cylinder (402); the X-axis servo electric cylinder (401) is connected with the second base (405).

4. The circumferential component welding apparatus of claim 1, wherein: the welding fixture (104) comprises a workpiece (501), an upper fixture (502) and a lower fixture (503); the upper clamp (502) and the lower clamp (503) can relatively rotate to clamp the workpiece (501).

5. The circumferential component welding apparatus of claim 1, wherein: the pneumatic element (203) is a cylinder.

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