Circumferential component welding device

Abstract

The present invention relates to a circumferential assembly welding device, comprising an annular clamp component, a clamping clamp component and a driving component; the clamping clamp component is connected to the annular clamp component; the driving component can simultaneously drive the annular clamp component and the clamping clamp component to connect through gear transmission. The present invention realizes the circumferential welding of a diesel engine aftertreatment mixer component.

Description

Technical Field

[0001] The invention relates to the field of diesel engine aftertreatment mixer circumferential component welding equipment, in particular to a circumferential component welding device. Background Art

[0002] As the regulations on automobile emissions become increasingly stringent, diesel engines will have higher and higher requirements for their exhaust aftertreatment. As a result, the mixer is one of the key components for diesel engine exhaust aftertreatment, and its process and manufacturing level are directly related to its aftertreatment level.

[0003] At present, robot automatic welding is mostly used for the welding processing of mixers, but the shortcomings of the existing technology are as follows: long cycle, difficult clamping, and high cost, which seriously restrict the development of current mixer processing manufacturers. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention discloses a circumferential component welding device.

[0005] The technical solution adopted by the present invention is as follows:

[0006] A circumferential assembly welding device comprises an annular clamp component, a clamping clamp component and a driving component; the clamping clamp component is connected to the annular clamp component; the driving component can simultaneously drive the annular clamp component and the clamping clamp component to connect through gear transmission;

[0007] The annular fixture component includes a base, an annular guide rail with a gear, a mounting plate and a welding fixture; the annular guide rail is mounted on the inner wall of the base; the welding fixture is connected to the annular guide rail through the mounting plate, and the welding fixture can rotate around the annular guide rail;

[0008] The clamping fixture component includes a heat transfer clamping block, a linear guide, a pneumatic element, a connecting plate, a driven gear, a bearing and a first base; the driving end of the pneumatic element is connected to the heat transfer clamping block through the linear guide; the pneumatic element is connected to the driven gear through the connecting plate; the driven gear is connected to 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 be extended and retracted along the direction of the linear guide and can also rotate around the axial direction of the bearing.

[0009] Its further technical features are: the driving component includes a driving shaft, a seat bearing, a plurality of driving gears, a reducer and a servo motor; the plurality of driving gears are installed on the driving shaft; the driving shaft passes through and is installed in the seat bearing; the servo motor rotates the driving shaft through the reducer, thereby driving the driving gears; the plurality of driving gears are respectively engaged with the gears of the annular guide rail and the driven gears.

[0010] Its further technical features are: the circumferential assembly welding device also includes a welding gun head moving component; the welding gun head moving component includes an X-axis servo electric cylinder, a Y-axis servo electric cylinder, a Z-axis manual adjustment module, a welding gun head and a second base;

[0011] Among them, the X-axis servo electric cylinder is connected to the Y-axis servo electric cylinder; the Z-axis manual adjustment module is connected to the welding gun head, and the Z-axis manual adjustment module is installed on the Y-axis servo electric cylinder; the X-axis servo electric cylinder is connected to the second base.

[0012] Its further technical features are: the welding fixture comprises a workpiece, an upper fixture and a lower fixture; the upper fixture and the lower fixture can rotate relative to each other to clamp the workpiece.

[0013] Its further technical feature is that the pneumatic element is a cylinder.

[0014] The beneficial effects of the present invention are as follows:

[0015] 1. The present 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 diesel engine exhaust after-treatment effect reaches or even exceeds the regulatory requirements.

[0016] 2. The present invention adopts an annular guide rail with gears to realize the circular motion of the entire welding fixture.

[0017] 3. The present invention adopts a unified driving shaft to drive the annular guide rail and the clamping fixture to achieve synchronous rotation of the annular guide rail and the clamping fixture.

[0018] 4. The clamping fixture of the present invention is connected to the linear guide rail through the cylinder to push the fixture, leaving space for the mixer to be clamped.

[0019] 5. The present invention adopts an X-axis servo electric cylinder and a Y-axis servo electric cylinder to drive the welding gun head, thereby realizing automatic movement of the welding gun head. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the present invention.

[0021] Figure 2 It is the front view of the present invention.

[0022] Figure 3 It is a top view of the present invention.

[0023] Figure 4 Schematic diagram of the structure of the ring clamp component.

[0024] Figure 5 The front view of the ring clamp assembly.

[0025] Figure 6 for Figure 5 Sectional view of AA.

[0026] Figure 7 It is a schematic diagram of the structure of the clamping fixture components.

[0027] Figure 8 The front view of the clamping fixture.

[0028] Fig. 9 A side view of the clamp assembly.

[0029] Fig.10 A schematic diagram of the structure of the drive components.

[0030] Fig.11 This is the front view of the drive component.

[0031] Fig.12 It is a schematic diagram of the structure of the moving parts of the welding gun head.

[0032] Fig.13 This is a front view of the moving parts of the welding gun head.

[0033] Fig.14 A top view of the moving parts of the welding gun head.

[0034] In the figure: 100, annular fixture component; 101, base; 102, annular guide rail with gear; 103, mounting plate; 104, welding fixture; 200, clamping fixture component; 201, heat transfer clamping block; 202, linear guide; 203, pneumatic element; 204, connecting plate; 205, driven gear; 206, bearing; 207, first base; 300, driving component; 301, driving shaft; 302, bearing with seat; 303, driving gear; 304, reducer; 305, servo motor; 400, welding gun head moving component; 401, X-axis servo electric cylinder; 402, Y-axis servo electric cylinder; 403, Z-axis manual adjustment module; 404, welding gun head; 405, second base; 501, workpiece; 502, upper fixture; 503, lower fixture; 504, hinge; 600, machine base. DETAILED DESCRIPTION

[0035] The above and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of the embodiments with reference to the accompanying drawings. The directional terms mentioned in the following embodiments, such as up, down, left, right, front or back, etc., are only reference directions of the accompanying drawings. Therefore, the directional terms used are used to illustrate and not to limit the present invention. In addition, in all embodiments, the same reference numerals represent the same elements.

[0036] The specific implementation of this embodiment is described below in conjunction with the accompanying drawings.

[0037] Figure 1 It is a structural schematic diagram of the present invention, Figure 2 is the front view of the present invention, Figure 3 It is a top view of the present invention. Figure 1 , Figure 2 and Figure 3 A circumferential assembly welding device includes an annular clamp component 100, a clamp component 200 and a driving component 300. The clamp component 200 is connected to the annular clamp component 100. The driving component 300 can simultaneously drive the annular clamp component 100 and the clamp component 200 to connect through gear transmission.

[0038] Figure 4 It is a structural diagram of the annular fixture components. Figure 5 The front view of the ring clamp component. Figure 6 for Figure 5 AA cross-sectional view. Combined Figure 4 , Figure 5 and Figure 6 The annular fixture component 100 includes a base 101, an annular guide rail 102 with a gear, a mounting plate 103 and a welding fixture 104. The annular guide rail 102 is mounted on the inner wall of the base 101. The welding fixture 104 is connected to the annular guide rail 102 through the mounting plate 103, and the welding fixture 104 can rotate around the annular guide rail 102. The welding fixture 104 includes a workpiece 501, an upper fixture 502 and a lower fixture 503. The upper fixture 502 and the lower fixture 503 are clamped by a hinge 504. The lower fixture 503 is connected to the annular guide rail 102 through the mounting plate 103. The upper fixture 502 and the lower fixture 503 can rotate relative to each other to clamp the workpiece 501, and are locked with a bolt limit seat.

[0039] Figure 7 It is a schematic diagram of the structure of the clamping fixture components. Figure 8 This is the front view of the clamping fixture. Fig. 9 A side view of the clamping fixture components. Figure 7 , Figure 8 and Fig. 9The clamping fixture component 200 includes a heat transfer clamping 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 driving end of the pneumatic element 203 is connected to the heat transfer clamping block 201 through the linear guide 202. Preferably, the pneumatic element 203 is a cylinder. The pneumatic element 203 is connected to the driven gear 205 through the connecting plate 204. The driven gear 205 is connected to 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 be extended and retracted along the direction of the linear guide 202, and can also rotate around the axis direction of the bearing 206. The driving end of the pneumatic element 203 is connected to the linear guide 202 to push the heat transfer clamping block 201, leaving space for the mixer to be clamped.

[0040] Fig.10 The schematic diagram of the driving components is shown in Figure 2. Fig.11 This is the front view of the drive component. Fig.10 and Fig.11 The driving component 300 includes a driving shaft 301, a seat bearing 302, a plurality of driving gears 303, a reducer 304 and a servo motor 305. The plurality of driving gears 303 are mounted on the driving shaft 301. The driving shaft 301 passes through and is mounted in the seat bearing 302. The servo motor 305 rotates the driving shaft 301 through the reducer 304, thereby driving the driving gears 303. The plurality of driving gears 303 are respectively meshed with the gears of the annular guide rail 102 and the driven gear 205.

[0041] Fig.12 This is a schematic diagram of the structure of the moving parts of the welding gun head. Fig.13 This is the front view of the moving parts of the welding gun head. Fig.14 A top view of the moving parts of the welding gun head. Fig.12 , Fig.13 and Fig.14 The circumferential assembly welding device further includes a welding gun head moving component 400 . The welding gun head moving component 400 includes an X-axis servo electric cylinder 401 , a Y-axis servo electric cylinder 402 , a Z-axis manual adjustment module 403 , a welding gun head 404 and a second base 405 .

[0042] Among them, the X-axis servo electric cylinder 401 is connected to the Y-axis servo electric cylinder 402. The Z-axis manual adjustment module 403 is connected to the welding gun head 404, and the Z-axis manual adjustment module 403 is installed on the Y-axis servo electric cylinder 402. The X-axis servo electric cylinder 401 is connected to the second base 405. The X-axis servo electric cylinder 401 and the Y-axis servo electric 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, realizing the automatic movement of the welding gun head 404.

[0043] The annular clamp component 100 , the pressing clamp component 200 , the driving component 300 and the welding gun head moving component 400 are all fixed on the machine base 600 .

[0044] The working principle of the present invention is as follows:

[0045] After the welding gun head 404 reaches a suitable 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 geared annular guide rail 102 and the heat transfer clamping block 201 to rotate synchronously through gear transmission, thereby realizing the circumferential welding of the mixer assembly.

[0046] In the description of the embodiments of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] The above description is an explanation of the present invention, not a limitation of the present invention. The scope of the present invention is defined in the claims. The present invention may be modified in any form without violating the basic structure of the present invention.

Claims

1. A circumferential assembly welding device, characterized in that: The invention comprises an annular clamp component (100), a clamping clamp component (200) and a driving component (300); the clamping clamp component (200) is connected to the annular clamp component (100); the driving component (300) can simultaneously drive the annular clamp component (100) and the clamping clamp component (200) to be connected through gear transmission; The annular fixture component (100) comprises a base (101), an annular guide rail (102) with a gear, a mounting plate (103) and a welding fixture (104); the annular guide rail (102) is mounted on the inner wall of the base (101); the welding fixture (104) is connected to the annular guide rail (102) via the mounting plate (103), and the welding fixture (104) can rotate around the annular guide rail (102); The clamping fixture 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 to the heat transfer clamping block (201) via the linear guide rail (202); the pneumatic element (203) is connected to the driven gear (205) via the connecting plate (204); the driven gear (205) is connected to the first base (207) via 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 be extended and retracted along the direction of the linear guide rail (202), and can also rotate around the axis direction of the bearing (206).

2. The circumferential assembly welding device according to claim 1, characterized in that: The driving component (300) comprises a driving shaft (301), a seat bearing (302), a plurality of driving gears (303), a speed reducer (304) and a servo motor (305); the plurality of driving gears (303) are mounted on the driving shaft (301); the driving shaft (301) passes through and is mounted in the seat bearing (302); the servo motor (305) rotates the driving shaft (301) through the speed reducer (304), thereby driving the driving gears (303); the plurality of driving gears (303) are respectively meshed with the gears of the annular guide rail (102) and the driven gear (205).

3. The circumferential assembly welding device according to claim 1, characterized in that: The circumferential assembly welding device further comprises a welding gun head moving component (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 adjustment module (403), a welding gun head (404) and a second base (405); The X-axis servo electric cylinder (401) is connected to the Y-axis servo electric cylinder (402); the Z-axis manual adjustment module (403) is connected to the welding gun head (404), and the Z-axis manual adjustment module (403) is installed on the Y-axis servo electric cylinder (402); and the X-axis servo electric cylinder (401) is connected to the second base (405).

4. The circumferential assembly welding device according to claim 1, characterized in that: The welding fixture (104) comprises an upper fixture (502) and a lower fixture (503); the welding fixture (104) is used to clamp a workpiece (501); the upper fixture (502) and the lower fixture (503) can rotate relative to each other to clamp the workpiece (501).

5. The circumferential assembly welding device according to claim 1, characterized in that: The pneumatic element (203) is a cylinder.

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