Assembly spot welding forming clamping device for automobile mixer

Abstract

The utility model provides an assembly spot welding forming clamping device for an automobile mixer. The assembly spot welding forming clamping device comprises a base. A positioning mechanism used for fixing a pipeline is installed on the surface of the base and comprises a fixing disc, the surface of the base is fixedly connected with the fixing disc, a first positioning seat and a second positioning seat with arc-shaped side walls are installed at the two ends of the surface of the fixing disc respectively, and a plurality of positioning pins are installed in the first positioning seat. Fixing blocks with T-shaped side walls are symmetrically mounted on the side wall of the fixing disc; a mixing barrel is clamped to the surface of the fixing disc, a limiting mechanism used for fixing the mixing barrel is installed on the side wall of the base, and a compressing mechanism used for downwards extruding the pipeline is installed on the surface of the base. The component spot welding forming clamping device for the automobile mixer has the advantages that a pipeline can be conveniently and vertically installed in the mixing cylinder, and emission deviation of the welding position of the pipeline is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of mixer manufacturing, in particular to a spot welding forming clamping device for components of an automobile mixer. Background Technique

[0002] When dealing with the exhaust gas generated during the operation of an automobile, the method of DOC + DPF + mixer + SCR is mostly adopted. Among them, the function of the mixer is to break urea, so that the exhaust gas is fully mixed with urea, and the air flow enters the SCR evenly.

[0003] When welding between the components of the mixer, it is necessary to vertically weld a pipeline on the inner side wall of the mixing cylinder. However, due to the smooth inner side wall of the mixing cylinder, during the installation process of the pipeline, the position of the pipeline inside the mixing cylinder is prone to shift, resulting in the shift of the installation position of the pipeline and reducing the welding quality of the mixing cylinder assembly.

[0004] Therefore, it is necessary to provide a new spot welding forming clamping device for components of an automobile mixer to solve the above technical problems. Content of the Utility Model

[0005] The technical problem solved by the utility model is to provide a spot welding forming clamping device for components of an automobile mixer, which is convenient for vertically installing a pipeline inside the mixing cylinder and avoiding deviation in the welding position of the pipeline.

[0006] To solve the above technical problems, the spot welding forming clamping device for components of an automobile mixer provided by the utility model includes: a base; a positioning mechanism for fixing the pipeline is installed on the surface of the base. The positioning mechanism includes a fixed disk, the fixed disk is fixedly connected to the surface of the base, a first positioning seat and a second positioning seat with an arc-shaped side wall are respectively installed at both ends of the surface of the fixed disk, a plurality of positioning pins are installed inside the first positioning seat, and fixing blocks with a "T" - shaped side wall are symmetrically installed on the side wall of the fixed disk; the mixing cylinder is clamped on the surface of the fixed disk, a limiting mechanism for fixing the mixing cylinder is installed on the side wall of the base, and a compression mechanism for pressing the pipeline downward is installed on the surface of the base.

[0007] Preferably, the pipeline is composed of a wire mesh, a cylinder body and a cover plate. A clamping hole is provided at one end of the cylinder body, the wire mesh is welded to the other end of the cylinder body, and the wire mesh is clamped in the second positioning seat; the positioning pin is clamped in the clamping hole, and the cylinder body is clamped in the first positioning seat.

[0008] Preferably, outer covers are symmetrically provided on the side wall of the cover plate, and the outer covers abut against the surface of the fixing block.

[0009] Preferably, the limiting mechanism includes a support base fixedly connected to the surface of the base. A second cylinder is installed on the side wall of the support base, and one end of the second cylinder is fixedly connected to a clamping block.

[0010] Preferably, the surface of the mixing cylinder is provided with fixing holes, and the clamping block is engaged with the inside of the fixing holes. The inner side wall of the mixing cylinder abuts against the wire mesh and the cylinder body.

[0011] Preferably, the compression mechanism includes a fixed base fixed to the surface of the base. A first cylinder is installed on the side wall of the fixed base. A rotating plate is rotatably connected to the side wall of the fixed base. One end of the rotating plate is fixedly connected to a compression plate, and the compression plate abuts against the surface of the cover plate. A clamping groove is provided at the other end of the rotating plate, and a clamping plate is slidably connected and engaged with the inside of the clamping groove, and the clamping plate is connected to the first cylinder.

[0012] Preferably, the centers of the first positioning seat and the second positioning seat are on the same straight line, and the fixed block is located between the first positioning seat and the second positioning seat.

[0013] Compared with the related art, the spot welding forming clamping device for components of an automotive mixer provided by the present invention has the following beneficial effects:

[0014] The present invention provides a spot welding forming clamping device for components of an automotive mixer. When installing the pipeline, the wire mesh is placed inside the second positioning seat, and the cylinder body is placed inside the first positioning seat. The side wall of the cylinder body is provided with the clamping holes, and multiple positioning pins on the surface of the first positioning seat are engaged with the clamping holes, thereby fixing the pipeline inside the first positioning seat and the second positioning seat. The centers of the first positioning seat and the second positioning seat are on the same straight line, so that the pipeline is horizontally located above the fixed disk. The mixing pipe is placed on the surface of the fixed disk, and the limiting mechanism is used to fix the mixing cylinder on the surface of the fixed disk. At the same time, the compression mechanism is used to make the compression mechanism squeeze the cover plate downward. The outer covers on both sides of the cover plate squeeze the fixed block, and the fixed block provides support for the outer covers and the cover plate, and prevents the pipeline from deviating inside the mixing cylinder, thereby horizontally fixing the pipeline inside the mixing cylinder, facilitating the worker to perform welding, and preventing the position of the pipeline from deviating inside the mixing cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of a preferred embodiment of the spot welding forming clamping device for components of an automotive mixer provided by the present invention;

[0016] Figure 2 is a front view of the overall structure provided by the present invention;

[0017] Figure 3 is Figure 1 the top view of the base structure shown;

[0018] Figure 4 is Figure 2 the front view of the rotating plate structure shown;

[0019] Figure 5 is Figure 2 the schematic diagram of the internal structure of the fixed disk shown;

[0020] Figure 6 is the schematic diagram of the pipeline installation structure provided by the present utility model;

[0021] Figure 7 is the schematic diagram of the mixing cylinder installation structure provided by the present utility model;

[0022] Figure 8 is Figure 7 the schematic diagram of the mixing cylinder structure shown;

[0023] Figure 9 is Figure 6 the schematic diagram of the pipeline structure shown.

[0024] Reference numerals in the figure: 1, base; 2, positioning mechanism; 21, fixed disk; 22, first positioning seat; 23, fixing block; 24, second positioning seat; 25, positioning pin; 3, pipeline; 31, wire mesh; 32, cover plate; 33, cylinder body; 34, card hole; 35, outer cover; 4, compression mechanism; 41, compression plate; 42, rotating plate; 43, fixed seat; 44, card slot; 45, card plate; 46, first cylinder; 5, limiting mechanism; 51, second cylinder; 52, clamping block; 53, support seat; 6, mixing cylinder; 61, fixing hole. Detailed implementation manners

[0025] The present utility model will be further described below in conjunction with the accompanying drawings and implementation manners.

[0026] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Figure 9 , Figure 1 is the schematic diagram of a preferred embodiment of the spot welding forming clamping device for the components of the automotive mixer provided by the present utility model; Figure 2 is the front view of the overall structure provided by the present utility model; Figure 3 is Figure 1 the top view of the base structure shown; Figure 4is Figure 2 The front view of the rotating plate structure shown; Figure 5 is Figure 2 The schematic diagram of the internal structure of the fixed disk shown; Figure 6 The schematic diagram of the pipeline installation structure provided by the present utility model; Figure 7 The schematic diagram of the mixing cylinder installation structure provided by the present utility model; Figure 8 is Figure 7 The schematic diagram of the mixing cylinder structure shown; Figure 9 is Figure 6 The schematic diagram of the pipeline structure shown. Among them, the spot welding forming clamping device for the components of the automobile mixer includes: a base 1; a positioning mechanism 2 for fixing the pipeline 3 is installed on the surface of the base 1. The positioning mechanism 2 includes a fixed disk 21, and the fixed disk 21 is fixedly connected to the surface of the base 1. At both ends of the surface of the fixed disk 21, a first positioning seat 22 and a second positioning seat 24 with an arc-shaped side wall are respectively installed. A plurality of positioning pins 25 are installed inside the first positioning seat 22, and fixing blocks 23 with a "T"-shaped side wall are symmetrically installed on the side wall of the fixed disk 21; the pipeline 3 is composed of a wire mesh 31, a cylinder body 33 and a cover plate 32. A clamping hole 34 is provided at one end of the cylinder body 33, the wire mesh 31 is welded to the other end of the cylinder body 33, and the wire mesh 31 is clamped with the second positioning seat 24; the positioning pin 25 is clamped with the clamping hole 34, and the cylinder body 33 is clamped with the first positioning seat 22. The side walls of the cover plate 32 are symmetrically provided with outer covers 35, and the outer covers 35 abut against the surfaces of the fixing blocks 23; the wire mesh 31 is placed inside the second positioning seat 24, the cylinder body 33 is placed inside the first positioning seat 22, the outer covers 35 are in contact with the surfaces of the fixing blocks 23, a clamping hole 34 is provided on the side wall of the cylinder body 33, and a plurality of the positioning pins 25 on the surface of the first positioning seat 22 are clamped in the clamping hole 34, so as to fix the pipeline 3 inside the first positioning seat 22 and the second positioning seat 24.

[0027] The surface of the fixed disk 21 is engaged with the mixing cylinder 6. The surface of the mixing cylinder 6 is provided with fixing holes 61, and the clamping blocks 52 are engaged with the interiors of the fixing holes 61. Moreover, the inner sidewall of the mixing cylinder 6 abuts against the wire mesh 31 and the cylinder body 33. A limiting mechanism 5 for fixing the mixing cylinder 6 is installed on the sidewall of the base 1. The limiting mechanism 5 includes a support base 53. The support base 53 is fixedly connected to the surface of the base 1, and a second cylinder 51 is installed on the sidewall of the support base 53. One end of the second cylinder 51 is fixedly connected to the clamping block 52. After the pipe 3 is fixed inside the positioning seat, the mixing cylinder 6 is placed on the surface of the fixed disk 21. The mixing cylinder 6 is rotated to align the fixing holes 61 with the clamping blocks 52. The second cylinder 51 is opened, and the second cylinder 51 moves to push the clamping blocks 52 into the fixing holes 61 on the sidewall of the mixing cylinder 6, thereby fixing the mixing cylinder 6 above the fixed disk 21 and preventing the position of the mixing cylinder 6 from changing during the welding process.

[0028] A compression mechanism 4 for downwardly pressing the pipe 3 is installed on the surface of the base 1. The compression mechanism 4 includes a fixed seat 43. The fixed seat 43 is fixed to the surface of the base 1, and a first cylinder 46 is installed on the sidewall of the fixed seat 43. A rotating plate 42 is rotatably connected to the sidewall of the fixed seat 43. One end of the rotating plate 42 is fixedly connected to a compression plate 41, and the compression plate 41 abuts against the surface of the cover plate 32. A clamping groove 44 is provided at the other end of the rotating plate 42. A clamping plate 45 is slidably connected and engaged with the interior of the clamping groove 44, and the clamping plate 45 is connected to the first cylinder 46. The first cylinder 46 is opened, and the first cylinder 46 pushes the clamping plate 45 to move up and down. The clamping plate 45 slides inside the clamping groove 44, pushing the rotating plate 42 to rotate on the sidewall of the fixed seat 43. The rotating plate 42 rotates to push the compression plate 41 into the interior of the mixing cylinder 6 to compress the cover plate 32, fixing the pipe 3 and preventing the position of the pipe 3 from shifting.

[0029] The centers of the first positioning seat 22 and the second positioning seat 24 are on the same straight line. In order to make the pipe 3 on the surfaces of the first positioning seat 22 and the second positioning seat 24 in a horizontal state, the pipe 3 is perpendicular to the inner sidewall of the mixing pipe 6 and connected thereto. Moreover, the fixing block 23 is located between the first positioning seat 22 and the second positioning seat 24. In order to facilitate the contact between the outer cover 25 and the fixing block 23, the fixing block 23 provides support for the outer cover 25.

[0030] The working principle of the spot welding forming clamping device for the components of the automotive mixer provided by the present utility model is as follows: Place the wire mesh 31 inside the second positioning seat 24, place the cylinder body 33 inside the first positioning seat 22, make the outer cover 35 contact with the surface of the fixed block 23. The side wall of the cylinder body 33 is provided with the clamping holes 34, and a plurality of the positioning pins 25 on the surface of the first positioning seat 22 are engaged in the clamping holes 34, thereby fixing the pipeline 3 inside the first positioning seat 22 and the second positioning seat 24 (as shown in the attached Figure 6 figure). Place the mixing cylinder 6 on the surface of the fixed disk 21, rotate the mixing cylinder 6 to align the fixing hole 61 with the clamping block 52, align the installation position of the mixing cylinder 6 with the pipeline 3. Connect the second air cylinder 51 to the air pump, open the second air cylinder 51, and the second air cylinder 51 operates to push the clamping block 52 into the fixing hole 61 on the side wall of the mixing cylinder 6, thereby fixing the mixing cylinder 6 above the fixed disk 21 (as shown in the attached Figure 7 figure), to prevent the position of the mixing cylinder 6 from changing during the welding process. Connect the first air cylinder 46 to the air pump, open the first air cylinder 46, the first air cylinder 46 pushes the clamping plate 45 to move up and down, the clamping plate 45 slides inside the clamping groove 44, and pushes the rotating plate 42 to rotate on the side wall of the fixed seat 43. The rotating plate 42 rotates to push the compression plate 41 into the inside of the mixing cylinder 6 to compress the cover plate 32, fix the pipeline 3, prevent the position of the pipeline 3 from shifting, make the pipeline 3 in a horizontal state, and the pipeline 3 is perpendicular to the inner side wall of the mixing pipe 6 and is connected thereto. Finally, weld the pipeline 3 to the inner side wall of the mixing pipe 6.

[0031] The above are only the embodiments of the present utility model, and do not thus limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall similarly be included within the patent protection scope of the present utility model.

Claims

1. A spot welding forming clamping device for an automobile mixer, characterized in that, Comprising: A base (1); a positioning mechanism (2) for fixing a pipeline (3) is mounted on the surface of the base (1). The positioning mechanism (2) includes a fixing disk (21). The fixing disk (21) is fixedly connected to the surface of the base (1). At both ends of the surface of the fixing disk (21), a first positioning seat (22) and a second positioning seat (24) with arc-shaped side walls are respectively mounted. A plurality of positioning pins (25) are mounted inside the first positioning seat (22), and fixing blocks (23) with "T"-shaped side walls are symmetrically mounted on the side wall of the fixing disk (21). The mixing cylinder (6) is snap-fitted on the surface of the fixing disk (21). A limiting mechanism (5) for fixing the mixing cylinder (6) is mounted on the side wall of the base (1), and a compression mechanism (4) for pressing the pipeline (3) downward is mounted on the surface of the base (1).

2. The spot welding forming clamping device for the automotive mixer component according to claim 1, characterized in that, The pipeline (3) is composed of a wire mesh (31), a cylinder body (33) and a cover plate (32). A clamping hole (34) is provided at one end of the cylinder body (33). The wire mesh (31) is welded to the other end of the cylinder body (33). The wire mesh (31) is snap-fitted with the second positioning seat (24). The positioning pin (25) is snap-fitted with the clamping hole (34), and the cylinder body (33) is snap-fitted with the first positioning seat (22).

3. The spot welding forming clamping device for the component of the automotive mixer according to claim 2, characterized in that, Outer covers (35) are symmetrically provided on the side wall of the cover plate (32), and the outer covers (35) abut against the surface of the fixing blocks (23).

4. The spot welding forming clamping device for the automotive mixer component according to claim 2, characterized in that The limiting mechanism (5) includes a support seat (53). The support seat (53) is fixedly connected to the surface of the base (1). A second cylinder (51) is mounted on the side wall of the support seat (53). One end of the second cylinder (51) is fixedly connected to a clamping block (52).

5. The spot welding forming clamping device for the automotive mixer component according to claim 4, wherein A fixing hole (61) is provided on the surface of the mixing cylinder (6), and the clamping block (52) is snap-fitted inside the fixing hole (61). The inner side wall of the mixing cylinder (6) abuts against the wire mesh (31) and the cylinder body (33).

6. The spot welding forming clamping device for the component of the automotive mixer according to claim 2, characterized in that, The compression mechanism (4) includes a fixing seat (43). The fixing seat (43) is fixed on the surface of the base (1). A first cylinder (46) is mounted on the side wall of the fixing seat (43). A rotating plate (42) is rotatably connected to the side wall of the fixing seat (43). One end of the rotating plate (42) is fixedly connected to a compression plate (41), and the compression plate (41) abuts against the surface of the cover plate (32). A clamping groove (44) is provided at the other end of the rotating plate (42). A clamping plate (45) is slidably connected and snap-fitted inside the clamping groove (44), and the clamping plate (45) is connected to the first cylinder (46).

7. The spot welding forming clamping device for the automotive mixer component according to claim 1, characterized in that, The centers of the first positioning seat (22) and the second positioning seat (24) are on the same straight line, and the fixing blocks (23) are located between the first positioning seat (22) and the second positioning seat (24).

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