Mixing pipe lifting lug nozzle holder welding forming clamping device for automobile mixer

Abstract

The utility model provides a mixing pipe lifting lug nozzle seat welding forming clamping device for an automobile mixer, which comprises a base, a fixing seat used for limiting and supporting a first mixing pipe is arranged on the surface of the base, and a supporting mechanism is arranged on the side wall of the base; the supporting mechanism comprises connecting rods, a positioning disc is fixed to the surface of the base through the multiple connecting rods, multiple supporting stand columns are installed on the surface of the positioning disc, the upper end cover is clamped to the step position of the surface of the positioning disc, and the supporting stand columns abut against the inner side wall of the upper end cover. One end of the base is provided with an extrusion mechanism used for fixing a nozzle seat, the side wall of the base is provided with a clamping mechanism used for fixing a lifting lug, and the other end of the base is provided with a compression mechanism used for fixing and compressing an upper end cover. The mixing pipe lifting lug nozzle holder welding forming clamping device for the automobile mixer has the advantages that the upper cover plate can be conveniently fixed, and displacement among all parts in the welding process is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile mixers, in particular to a welding and forming clamping device for a mixing pipe lifting ear nozzle seat used in automobile mixers. Background Art

[0002] Automobile exhaust contains pollutants such as carbon monoxide (CO), nitrogen oxides (NOX), hydrocarbons (HC) and suspended solid particles (PM), which are one of the culprits of air pollution. Catalytic purification technology can purify exhaust gas to reduce pollution to the environment. Existing catalysts mostly use DOC+DPF+mixer+SCR to remove harmful substances from automobile exhaust. The main function of the mixer is to break up urea, so that the exhaust gas and urea are fully mixed before entering the SCR catalyst.

[0003] During the production of the mixer, various mixer components are welded and assembled. When welding between the mixing tube and the cover plate, the two mixing tubes are vertically inserted into the upper cover plate. Since the two ends of the upper cover plate are semicircular and the surface width gradually decreases, and the upper cover plate surface has an irregular structure, it is difficult to fix. During the welding process, the position between the upper cover plate and the mixing tube is prone to deviation, which reduces the welding quality.

[0004] Therefore, it is necessary to provide a new automobile mixer mixing pipe lifting ear nozzle seat welding forming clamping device to solve the above problems. Utility Model Content

[0005] The technical problem solved by the utility model is to provide a welding and forming clamping device for a mixing pipe lifting ear nozzle seat of an automobile mixer, which is convenient for fixing an upper cover plate and preventing displacement between components during welding.

[0006] In order to solve the above technical problems, the utility model provides a welding and forming clamping device for a mixing tube lifting ear nozzle seat for an automobile mixer, comprising: a base, a fixing seat for limiting and supporting a first mixing tube is installed on the surface of the base, and a supporting mechanism for fixing an upper end cover is installed on the side wall of the base; the supporting mechanism comprises connecting rods, a positioning plate is fixed to the surface of the base through a plurality of connecting rods, a plurality of supporting columns are installed on the surface of the positioning plate, the upper end cover is clamped at the step on the surface of the positioning plate, the supporting columns abut against the inner side wall of the upper end cover, a positioning plate is provided above the base, and the positioning plate abuts against the bottom end of the second mixing tube; an extrusion mechanism for fixing the nozzle seat is installed at one end of the base, a clamping mechanism for fixing the lifting ear is installed on the side wall of the base, and a compression mechanism for fixing and compressing the upper end cover is installed at the other end of the base.

[0007] Preferably, the mixer assembly consists of a first mixing tube, an upper end cover, a nozzle seat, a lifting ear and a second mixing tube, the lifting ear is welded to the side wall of the upper end cover, the nozzle seat is welded to the surface of the upper end cover, a groove is provided on the surface of the upper end cover, the first mixing tube and the second mixing tube are welded through the groove and the upper end cover, and the first mixing tube passes through the second mixing tube.

[0008] Preferably, a plurality of positioning grooves are provided on the surface of the fixing seat, and the positioning grooves engage with the bottom end of the first mixing tube.

[0009] Preferably, the extrusion mechanism includes a first mounting seat, the first mounting seat is mounted on the surface of the base, and the first cylinder is mounted on the side wall of the first mounting seat; a connecting frame is mounted on one end of the first cylinder, and a rubber pad is mounted on the bottom end of the connecting frame, and the inside of the rubber pad engages with the nozzle seat.

[0010] Preferably, the clamping mechanism includes a second mounting seat, the second mounting seat is mounted on the surface of the base, the second cylinder is mounted on the surface of the second mounting seat, and a splint is mounted on the top of the second cylinder; the surface of the second mounting seat is rotatably connected to the extrusion seat, a slot is provided on one side of the extrusion seat, and the inside of the slot is slidably connected to the splint; the side wall of the second mounting seat is fixedly connected to the supporting platform, and the lifting ear is engaged between the supporting platform and the extrusion seat.

[0011] Preferably, the side wall of the second mounting seat is fixedly connected to the positioning plate, and the surface of the positioning plate is an arc-shaped structure.

[0012] Preferably, the compression mechanism includes a third mounting seat, the third mounting seat is mounted on the surface of the base, the third cylinder is mounted on the side wall of the third mounting seat, one end of the third cylinder is connected to the fixing frame, one end of the fixing frame is fixedly connected to the clamping block, and the clamping block contacts the surface of the upper end cover.

[0013] Compared with the related art, the welding and forming clamping device for the mixing tube lifting ear nozzle seat for automobile mixer provided by the utility model has the following beneficial effects:

[0014] The utility model provides a welding and forming clamping device for a hanging ear nozzle seat of a mixing tube for an automobile mixer. First, the first mixing tube is inserted into the interior of the fixing seat, and then the second mixing tube is passed through the first mixing tube and contacts the positioning plate, and the positioning plate provides support for the second mixing tube; the upper end cover is placed on the surface of the positioning plate, and the position of the upper end cover is adjusted so that the first mixing tube and the second mixing tube pass through the groove, and at the same time, the upper end cover is clamped at the step of the positioning plate, and the two ends of the upper end cover are semicircular, and the end with a larger diameter of the upper end cover is clamped and fixed by the positioning plate, and the end with a smaller diameter of the upper end cover is installed The first mixing tube and the second mixing tube provide support for them, so as to facilitate the fixing of the upper end cover; and the support columns on the surface of the positioning plate provide support for the interior of the upper end cover to prevent the upper end cover from deformation; the compression mechanism is used to squeeze the upper end cover downward to fix the position of the upper end cover, and the lifting ear is placed into the interior of the clamping mechanism, and the clamping mechanism fixes the lifting ear and makes the lifting ear contact the surface of the upper end cover; the nozzle holder is placed on the surface of the upper end cover and fixed by the squeezing mechanism, thereby ensuring that the various components do not move during the welding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A structural diagram of a preferred embodiment of a welding and forming clamping device for a mixing pipe lifting lug nozzle seat for an automobile mixer provided by the utility model;

[0016] Figure 2 for Figure 1 Schematic diagram of the support mechanism structure shown;

[0017] Figure 3 for Figure 1 Schematic diagram of the clamping mechanism structure shown;

[0018] Figure 4 for Figure 3 An enlarged schematic diagram of the structure at point A is shown;

[0019] Figure 5 for Figure 1 Schematic diagram of the exploded structure of the mixer assembly shown;

[0020] Figure 6 for Figure 5 Schematic diagram of mixer assembly splicing shown.

[0021] Numbers in the figure: 1. base, 2. fixing seat, 21. positioning groove, 3. extrusion mechanism, 31. first mounting seat, 32. first cylinder, 33. connecting frame, 34. rubber pad, 4. mixer assembly, 41. first mixing tube, 42. upper end cover, 43. nozzle seat, 44. lifting ear, 45. second mixing tube, 46. groove, 5. clamping mechanism, 51. second mounting seat, 52. second cylinder, 53. splint, 54. bearing platform, 55. extrusion seat, 56. slot, 6. compression mechanism, 61. third cylinder, 62. third mounting seat, 63. fixing frame, 64. clamping block, 7. supporting mechanism, 71. connecting rod, 72. positioning plate, 73. supporting column, 74. positioning plate. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0023] See also Figures 1 to 6 , Figure 1 A structural diagram of a preferred embodiment of a welding and forming clamping device for a mixing pipe lifting lug nozzle seat for an automobile mixer provided by the utility model; Figure 2 for Figure 1 Schematic diagram of the support mechanism structure shown; Figure 3 for Figure 1 Schematic diagram of the clamping mechanism structure shown; Figure 4 for Figure 3 An enlarged schematic diagram of the structure at point A is shown; Figure 5 for Figure 1 Schematic diagram of the exploded structure of the mixer assembly shown; Figure 6 for Figure 5 The schematic diagram of the mixer assembly assembly is shown. The welding and forming clamping device for the automobile mixer's mixing tube ear nozzle holder includes a base 1, a fixing base 2 mounted on the surface of the base 1 for limiting and supporting a first mixing tube 41. The fixing base 2 has a plurality of positioning grooves 21 formed on its surface, which engage the bottom end of the first mixing tube 41. To facilitate placement of the first mixing tube 41 within the fixing base 2, the fixing base 2 positions the first mixing tube 41 perpendicularly on the surface of the base 1, and the first mixing tube 41 engages the positioning grooves 21, thereby ensuring the correct installation angle of the first mixing tube 41 and facilitating assembly between the first mixing tube 41 and the upper end cover 42.

[0024] The side wall of the base 1 is installed with a support mechanism 7 for fixing the upper end cover 42; the support mechanism 7 includes a connecting rod 71, and the surface of the base 1 is fixed with a positioning plate 72 through multiple connecting rods 71. The surface of the positioning plate 72 is installed with multiple supporting columns 73. The upper end cover 42 is stuck at the step on the surface of the positioning plate 72. The supporting columns 73 abut against the inner side wall of the upper end cover 42. A positioning plate 74 is provided above the base 1, and the positioning plate 74 abuts against the bottom end of the second mixing pipe 45. When installing the upper end cover 42, the upper end cover 42 is placed on the The surface of the positioning plate 72 is adjusted to adjust the position of the upper end cover 42 so that the first mixing tube 41 and the second mixing tube 45 pass through the groove 46. At the same time, the upper end cover 42 is engaged with the step of the positioning plate 72. The two ends of the upper end cover 42 are semicircular. The end with a larger diameter of the upper end cover 42 is engaged and fixed by the positioning plate 72. The end with a smaller diameter of the upper end cover 42 is installed with the first mixing tube 41 and the second mixing tube 45. The first mixing tube 41 and the second mixing tube 45 provide support for it, thereby fixing the upper end cover 42.

[0025] One end of the base 1 is installed with an extrusion mechanism 3 for fixing the nozzle seat 43, and the extrusion mechanism 3 includes a first mounting seat 31. The first mounting seat 31 is installed on the surface of the base 1, and the side wall of the first mounting seat 31 is installed with a first cylinder 32; one end of the first cylinder 32 is installed with a connecting frame 33, and the bottom end of the connecting frame 33 is installed with a rubber pad 34, and the inside of the rubber pad 34 engages with the nozzle seat 43; the nozzle seat 43 is placed on the surface of the upper end cover 42, and the first cylinder 32 is opened. The first cylinder 32 drives the connecting frame 33 and the rubber pad 34 to move downward, and the rubber pad 34 squeezes the nozzle seat 43 downward to fix the nozzle seat 43.

[0026] The side wall of the base 1 is installed with a clamping mechanism 5 for fixing the lifting ear, and the clamping mechanism 5 includes a second mounting seat 51, and the second mounting seat 51 is installed on the surface of the base 1, and a second cylinder 52 is installed on the surface of the second mounting seat 51, and a splint 53 is installed on the top of the second cylinder 52; the surface of the second mounting seat 51 is rotatably connected to the extrusion seat 55, and a slot 56 is provided on one side of the extrusion seat 55, and the inside of the slot 56 is slidably connected to the splint 53; the side wall of the second mounting seat 51 is fixedly connected to the bearing platform 54, and the lifting ear 44 is engaged between the bearing platform 54 and the extrusion seat 55; the lifting ear 44 is placed on the surface of the bearing platform 54 so that the lifting ear 44 contacts the surface mounting position of the upper end cover 42, and the second cylinder 52 is opened. The second cylinder 52 drives the splint 53 to move upward, and the splint 53 moves along the slot 56, pushing one end of the extrusion seat 55 to rotate downward, so that the extrusion seat 55 squeezes the lifting ear 44 to fix the lifting ear 44.

[0027] The other end of the base 1 is installed with a compression mechanism 6 for fixing and compressing the upper end cover 42, and the compression mechanism 6 includes a third mounting seat 62, the third mounting seat 62 is installed on the surface of the base 1, and the side wall of the third mounting seat 62 is installed with a third cylinder 61, one end of the third cylinder 61 is connected to the fixing frame 63, one end of the fixing frame 63 is fixedly connected to the clamping block 64, and the clamping block 64 contacts the surface of the upper end cover 42; in order to facilitate opening the third cylinder 61, the third cylinder 61 drives the fixing frame 63 and the clamping block 64 to move downward, and the clamping block 64 squeezes the surface of the upper end cover 42 downward to fix the upper end cover 42 on the surface of the positioning plate 72.

[0028] The mixer assembly 4 consists of a first mixing tube 41, an upper end cover 42, a nozzle seat 43, a lifting ear 44 and a second mixing tube 45. The lifting ear 44 is welded to the side wall of the upper end cover 42, and the nozzle seat 43 is welded to the surface of the upper end cover 42. A groove 46 is provided on the surface of the upper end cover 42. The first mixing tube 41 and the second mixing tube 45 are welded between the groove 46 and the upper end cover 42, and the first mixing tube 41 passes through the second mixing tube 45.

[0029] The side wall of the second mounting seat 51 is fixedly connected to the positioning plate 74 , and the surface of the positioning plate 74 is arc-shaped, so that the positioning plate 74 can provide support for the second mixing tube 45 and facilitate the splicing between the second mixing tube 45 and the upper cover plate 42 .

[0030] The working principle of the welding and forming clamping device for the hanging ear nozzle seat of the automobile mixer provided by the utility model is as follows: the first mixing tube 41 is placed inside the fixing seat 2, and the fixing seat 2 allows the first mixing tube 41 to be vertically located on the surface of the base 1, and the first mixing tube 41 is engaged with the positioning groove 21, thereby ensuring the installation angle of the first mixing tube 41; the second mixing tube 45 is passed through the first mixing tube 41 and contacts the positioning plate 74, and the positioning plate 74 provides support for the second mixing tube 45; the upper end cover 42 is placed on the surface of the positioning plate 72, and the position of the upper end cover 42 is adjusted so that the first mixing tube 41 and the second mixing tube 45 pass through the groove 46, thereby preliminarily completing the assembly. Connect the cylinder to the air pump and turn on the third cylinder 61. The third cylinder 61 drives the fixing frame 63 and the clamping block 64 to move downward. The clamping block 64 presses the surface of the upper end cover 42 downward to fix the upper end cover 42 on the surface of the positioning plate 72. The supporting columns 73 on the surface of the positioning plate 72 contact the inner side wall of the upper end cover 42. The supporting columns 73 provide support for the upper end cover 42 to prevent the surface of the upper end cover 42 from deforming. The nozzle seat 43 is placed on the surface of the upper end cover 42, and the first cylinder 32 is turned on. The first cylinder 32 drives the connecting frame 33 and the rubber pad 34 to move downward, and the rubber pad 34 presses the nozzle seat 43 downward to fix the nozzle seat 43; then the ear 44 is placed on the surface of the supporting platform 54 so that the ear 44 contacts the surface mounting position of the upper end cover 42, and the second cylinder 52 is turned on. The second cylinder 52 drives the clamping plate 53 to move upward, and the clamping plate 53 moves along the slot 56, pushing one end of the extrusion seat 55 to rotate downward, so that the extrusion seat 55 squeezes the ear 44 to fix the ear 44; after the splicing between the mixer components 4 is completed, the splicing can be welded, and the first mixing tube 41, the upper end cover 42, the nozzle seat 43, the ear 44 and the second mixing tube 45 are squeezed and fixed, so as to avoid position displacement during the welding process of each component and improve the product qualification rate.

[0031] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A welding and forming clamping device for a mixing tube lifting ear nozzle seat for an automobile mixer, characterized in that: include: A base (1), a fixing seat (2) for limiting support of the first mixing tube (41) being mounted on the surface of the base (1), and a supporting mechanism (7) for fixing the upper end cover (42) being mounted on the side wall of the base (1); The support mechanism (7) includes a connecting rod (71), a positioning plate (72) is fixed to the surface of the base (1) through a plurality of the connecting rods (71), a plurality of supporting columns (73) are installed on the surface of the positioning plate (72), the upper end cover (42) is clamped at a step on the surface of the positioning plate (72), the supporting columns (73) abut against the inner side wall of the upper end cover (42), a positioning plate (74) is provided above the base (1), and the positioning plate (74) abuts against the bottom end of the second mixing tube (45); One end of the base (1) is mounted with an extrusion mechanism (3) for fixing the nozzle holder (43), a side wall of the base (1) is mounted with a clamping mechanism (5) for fixing the lifting ear, and the other end of the base (1) is mounted with a compression mechanism (6) for fixing and compressing the upper end cover (42).

2. The welding and forming clamping device for the hanging ear nozzle seat of the mixing tube for the automobile mixer according to claim 1 is characterized in that: The mixer assembly (4) consists of a first mixing tube (41), an upper end cover (42), a nozzle seat (43), a lifting lug (44) and a second mixing tube (45). The lifting lug (44) is welded to the side wall of the upper end cover (42), the nozzle seat (43) is welded to the surface of the upper end cover (42), a groove (46) is provided on the surface of the upper end cover (42), the first mixing tube (41) and the second mixing tube (45) are welded between the groove (46) and the upper end cover (42), and the first mixing tube (41) is welded to the second mixing tube (45).

3. The welding and forming clamping device for the hanging ear nozzle seat of the mixing tube for the automobile mixer according to claim 2, characterized in that: A plurality of positioning grooves (21) are provided on the surface of the fixing seat (2), and the positioning grooves (21) are engaged with the bottom end of the first mixing tube (41).

4. The welding and forming clamping device for the hanging ear nozzle seat of the mixing tube for the automobile mixer according to claim 2, characterized in that: The extrusion mechanism (3) comprises a first mounting seat (31), the first mounting seat (31) is mounted on the surface of the base (1), and a first cylinder (32) is mounted on the side wall of the first mounting seat (31); a connecting frame (33) is mounted on one end of the first cylinder (32), and a rubber pad (34) is mounted on the bottom end of the connecting frame (33), and the interior of the rubber pad (34) is engaged with the nozzle seat (43).

5. The welding and forming clamping device for the hanging ear nozzle seat of the mixing tube for the automobile mixer according to claim 2, characterized in that: The clamping mechanism (5) includes a second mounting seat (51), the surface of the base (1) is mounted with the second mounting seat (51), the surface of the second mounting seat (51) is mounted with a second cylinder (52), and the top of the second cylinder (52) is mounted with a clamping plate (53); the surface of the second mounting seat (51) is rotatably connected to an extrusion seat (55), a slot (56) is provided on one side of the extrusion seat (55), and the inside of the slot (56) is slidably connected to the clamping plate (53); the side wall of the second mounting seat (51) is fixedly connected to a bearing platform (54), and the lifting ear (44) is engaged between the bearing platform (54) and the extrusion seat (55).

6. The welding and forming clamping device for the hanging ear nozzle seat of the mixing tube for the automobile mixer according to claim 5, characterized in that: The side wall of the second mounting seat (51) is fixedly connected to the positioning plate (74), and the surface of the positioning plate (74) has an arc-shaped structure.

7. The welding and forming clamping device for the hanging ear nozzle seat of the mixing tube for the automobile mixer according to claim 2, characterized in that: The compression mechanism (6) includes a third mounting seat (62), the third mounting seat (62) is mounted on the surface of the base (1), a third cylinder (61) is mounted on the side wall of the third mounting seat (62), one end of the third cylinder (61) is connected to a fixing frame (63), one end of the fixing frame (63) is fixedly connected to a clamping block (64), and the clamping block (64) contacts the surface of the upper end cover (42).

Images