Porous plate welding forming clamping device for automobile mixer
By designing a multi-porous plate welding molding clamping device for automotive mixers, and using limiting and positioning mechanisms to fix the cylinder and porous plates, the problem of welding position offset is solved and the welding quality of the mixer is improved.
Patent Information
- Application Number
- CN202422303341.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-09-20
AI Technical Summary
During the mixer production process, the welding position of the multi-porous plate is prone to shift, resulting in a decrease in the mixer quality.
A multi-porous plate welding molding clamping device for automobile mixers is designed, including a base, a fixing seat, a limiting mechanism and a positioning mechanism. The cylinder is initially fixed by using the limiting mechanism, and the porous plate is accurately positioned and fixed by the strong magnetism and positioning pins of the positioning mechanism to ensure welding accuracy.
The rapid and accurate fixation of the multi-porous plate is achieved, which avoids welding position deviations and improves the welding quality of the mixer.
Smart Images
Figure CN223114485U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of light vehicle mixer production, in particular to a clamping device for welding and forming a porous plate for an automobile mixer. Background Technique
[0002] Pollutants emitted from automobile exhaust have caused serious environmental pollution problems. Using catalytic purification technology to reduce pollution and emissions is one of the key technologies for diesel engine exhaust aftertreatment. Existing catalytic converters mostly use DOC+DPF+mixer+SCR to remove harmful substances in automobile exhaust. The main function of the mixer is to break up urea, so that the exhaust gas is fully mixed with urea, ensure the uniformity of the air flow at the SCR intake end, and improve the SCR conversion efficiency.
[0003] During the production of the mixer, a porous plate needs to be welded to the inner side wall of the mixer. However, since the inner side wall of the mixer is relatively smooth, the position of the porous plate is likely to shift during the welding process, resulting in a deviation in the position of the porous plate after installation and reducing the quality of the mixer.
[0004] Therefore, it is necessary to provide a new clamping device for welding and forming a porous plate for 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 clamping device for welding and forming a porous plate for an automobile mixer, which is convenient for quickly and accurately fixing and positioning the plate.
[0006] To solve the above technical problem, the clamping device for welding and forming a porous plate for an automobile mixer provided by the utility model includes: a base, a fixing seat for installing a cylinder body is installed on the surface of the base, a limiting mechanism for fixing the cylinder body is installed at one end of the base, and a plurality of fixing mechanisms for fixing the cylinder body on the surface of the fixing seat are installed on the surface of the base; a positioning mechanism for fixing the porous plate is installed on the surface of the fixing seat, the positioning mechanism includes a support seat, the support seat is fixed on the surface of the fixing seat, and a second cylinder and a positioning plate are installed on the side wall of the support seat. Strong magnets and positioning pins are symmetrically installed on the surface of the positioning plate with an arc-shaped side wall; a clamping plate is installed at the top of the second cylinder, a compression plate is rotatably connected to the top of the support seat, a second clamping groove is provided at one end of the compression plate, the clamping plate is slidably connected and engaged in the second clamping groove, and the other end of the compression plate abuts against the positioning plate.
[0007] Preferably, a positioning hole is provided on the side wall of the cylinder body, a flanging is provided at one end of the cylinder body, a necking is provided at the other end of the cylinder body, and the porous plate is welded inside the necking.
[0008] Preferably, the limiting mechanism includes a sliding rod, one end of the sliding rod is fixedly connected with a rubber pad, and the rubber pad is clamped inside the positioning hole; one end of the sliding rod is fixedly connected with a compression rod; the compression rod is clamped and slidably connected with the first card slot, and the first card slot is arranged on the side wall of the handle, and the handle is rotatably connected with the sliding seat.
[0009] Preferably, the limiting mechanism further includes a first air cylinder, the first air cylinder is fixed above the base through a clamping seat, the sliding rod, the compression rod and a piston are slidably connected inside the first air cylinder, and the piston is fixed at the connection of the sliding rod and the compression rod; the side wall of the first air cylinder is fixedly connected with the sliding seat, sealing gaskets are respectively installed at both ends of the first air cylinder, and the sliding rod and the compression rod are respectively slidably connected with the sealing gaskets.
[0010] Preferably, the fixing mechanism includes a third air cylinder, three of the third air cylinders are fixedly connected to the side wall of the base, a clamping block is installed on the side wall of the third air cylinder, and the clamping block is clamped with the flanging.
[0011] Preferably, a plurality of hand-operated valves are installed on the surface of the base, and the plurality of hand-operated valves are respectively communicated with the first air cylinder, the second air cylinder and the third air cylinder.
[0012] Preferably, the diameter of the fixing seat is equal to the maximum inner diameter of the cylinder body, and the second air cylinder and the supporting seat are located inside the cylinder body.
[0013] Compared with the related art, the multi-hole plate welding and forming clamping device for an automotive mixer provided by the present utility model has the following beneficial effects:
[0014] The utility model provides a clamping device for welding and forming a porous plate for an automotive mixer. When fixing the cylinder body, place the cylinder body on the surface of the fixed seat, use the limiting mechanism to enter the interior of the cylinder body to initially fix the cylinder body, and then use the fixing mechanism to fix the cylinder body on the surface of the fixed seat to prevent the cylinder body from shaking on the surface of the fixed seat; place the porous plate on the surface of the positioning plate, and the positioning pins on the surface of the positioning plate penetrate the holes on the surface of the porous plate to determine the placement position of the porous plate on the surface of the positioning plate. The side wall of the porous plate contacts the side wall of the necking, and the strong magnet on the surface of the positioning plate adsorbs the surface of the porous plate to initially fix the porous plate on the side wall of the positioning plate. Then, open the second cylinder, and the second cylinder drives the clamping plate to move upward. The clamping plate slides inside the second card slot, pushing the compression plate to rotate on the surface of the support seat, so that one end of the compression plate rotates downward to squeeze the porous plate, fixing the porous plate on the side wall of the positioning plate, thereby facilitating the accurate welding of the porous plate inside the necking, preventing the installation position of the porous plate from deviating inside the necking, and improving the welding quality of the mixing pipe. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 FIG. is a schematic structural diagram of a preferred embodiment of the clamping device for welding and forming a porous plate for an automotive mixer provided by the utility model;
[0016] Figure 2 FIG. is a front view of the overall structure provided by the utility model;
[0017] Figure 3 is Figure 1 a front view of the base structure shown in FIG.;
[0018] Figure 4 is Figure 1 a top view of the base structure shown in FIG.;
[0019] Figure 5 is Figure 1 a schematic internal structure diagram of the first cylinder shown in FIG.;
[0020] Figure 6 is Figure 1 a schematic structural diagram of the cylinder body shown in FIG.
[0021] Reference numerals in the figure: 1, base; 11, hand-operated valve; 12, fixed seat; 2, cylinder body; 21, flanging; 22, positioning hole; 23, necking; 3, limiting mechanism; 31, sliding seat; 32, first cylinder; 33, clamping seat; 34, sliding rod; 35, rubber pad; 36, compression rod; 37, first card slot; 38, handle; 39, piston; 310, sealing pad; 4, positioning mechanism; 41, compression plate; 42, second card slot; 43, clamping plate; 44, second cylinder; 45, support seat; 46, positioning plate; 47, strong magnet; 48, positioning pin; 5, fixing mechanism; 51, third cylinder; 52, clamping block; 6, perforated plate. Specific implementation manner
[0022] The present utility model will be further described below in conjunction with the accompanying drawings and the implementation manner.
[0023] Please refer to Figures 1 to 6 , Figure 1 which is a schematic structural diagram of a preferred embodiment of the clamping device for welding and forming the perforated plate for an automotive mixer provided by the present utility model; Figure 2 which is a front view of the overall structure provided by the present utility model; Figure 3 is Figure 1 the front view of the base structure shown in Figure 4 is Figure 1 the top view of the base structure shown in Figure 5 is Figure 1 the schematic internal structure diagram of the first cylinder shown in Figure 6 is Figure 1 the schematic structural diagram of the cylinder body shown in. Among them, the clamping device for welding and forming the perforated plate for an automotive mixer includes: a base 1, a fixed seat 12 for installing the cylinder body 2 is installed on the surface of the base 1, the diameter of the fixed seat 12 is equal to the maximum inner diameter of the cylinder body 2, and the second cylinder 44 and the support seat 45 are located inside the cylinder body 2 to initially position the position of the cylinder body 2 for facilitating the placement of the cylinder body 2 on the surface of the fixed seat 12.
[0024] The side wall of the cylinder body 2 is provided with a positioning hole 22, one end of the cylinder body 2 is provided with a flanging 21, the other end of the cylinder body 2 is provided with a necking 23, and the perforated plate 6 is welded inside the necking 23.
[0025] One end of the base 1 is provided with a limiting mechanism 3 for fixing the cylinder body 2. The limiting mechanism 3 includes a sliding rod 34. One end of the sliding rod 34 is fixedly connected with a rubber pad 35, and the rubber pad 35 is engaged inside the positioning hole 22. One end of the sliding rod 34 is fixedly connected with a compression rod 36. The compression rod 36 is engaged and slidably connected with a first card slot 37, and the first card slot 37 is arranged on the side wall of the handle 38. The handle 38 is rotatably connected with the sliding seat 31. After the cylinder body 2 is placed on the surface of the fixed seat 12, rotate the cylinder body 2 to align the positioning hole 22 on the side wall of the cylinder body 2 with the rubber pad 35. Hold the handle 38 and rotate the handle 38 to the side wall of the sliding seat 31. The handle 38 squeezes the compression rod 36, and the compression rod 36 drives the sliding rod 34 and the rubber pad 35 to move, so that the rubber pad 35 moves into the side wall of the positioning hole 22 to fix the position of the cylinder body 2 and prevent the cylinder body 2 from rotating.
[0026] The limiting mechanism 3 further includes a first air cylinder 32. The first air cylinder 32 is fixed above the base 1 through a card seat 33. The sliding rod 34, the compression rod 36 and a piston 39 are slidably connected inside the first air cylinder 32, and the piston 39 is fixed at the connection of the sliding rod 34 and the compression rod 36. The side wall of the first air cylinder 32 is fixedly connected with the sliding seat 31. Sealing gaskets 310 are respectively installed at both ends of the first air cylinder 32, and the sliding rod 34 and the compression rod 36 are respectively slidably connected with the sealing gaskets 310 to increase the sealing performance of both ends of the first air cylinder 32 and prevent air leakage. Open the first air cylinder 32, and the gas enters the inside of the first air cylinder 32 to push the piston 39 to move towards the positioning hole 22. The piston 39 drives the sliding rod 34 and the rubber pad 35 into the inside of the positioning hole 22, thereby fixing the positions of the sliding rod 34 and the rubber pad 35.
[0027] A plurality of fixing mechanisms 5 for fixing the cylinder body 2 on the surface of the fixed seat 12 are installed on the surface of the base 1. The fixing mechanism 5 includes a third air cylinder 51. Three third air cylinders 51 are fixedly connected to the side wall of the base 1. A clamping block 52 is installed on the side wall of the third air cylinder 51, and the clamping block 52 is engaged with the flanging 21. Open the third air cylinder 51, and the third air cylinder 51 pushes the clamping block 52 to move towards the cylinder body 2. The clamping block 52 is engaged with the flanging 21 on the side wall of the cylinder body 2, thereby fixing the cylinder body 2 on the surface of the fixed seat 12 and preventing the cylinder body 2 from shaking.
[0028] A positioning mechanism 4 for fixing the porous plate 6 is mounted on the surface of the fixed seat 12. The positioning mechanism 4 includes a support seat 45. The support seat 45 is fixed on the surface of the fixed seat 12, and a second cylinder 44 and a positioning plate 46 are mounted on the side wall of the support seat 45. Strong magnets 47 and positioning pins 48 are symmetrically mounted on the surface of the positioning plate 46 with an arc-shaped side wall. A clamping plate 43 is mounted at the top end of the second cylinder 44. The top end of the support seat 45 is rotatably connected to a compression plate 41. A second clamping groove 42 is provided at one end of the compression plate 41. The clamping plate 43 is slidably connected and engaged inside the second clamping groove 42. The other end of the compression plate 41 abuts against the positioning plate 46. The porous plate 6 is placed on the surface of the positioning plate 46. The positioning pin 48 on the surface of the positioning plate 46 penetrates the holes on the surface of the porous plate 6 to determine the placement position of the porous plate 6 on the surface of the positioning plate 46. The side wall of the porous plate 6 contacts the side wall of the necking 23, and the strong magnet 47 on the surface of the positioning plate 6 adsorbs the surface of the porous plate 6 to preliminarily fix the porous plate 6 on the side wall of the positioning plate 46. Then the second cylinder 44 is opened, and the second cylinder 44 drives the clamping plate 43 to move upward. The clamping plate 43 slides inside the second clamping groove 42, pushing the compression plate 41 to rotate on the surface of the support seat 45, so that one end of the compression plate 41 rotates downward to squeeze the porous plate 6, and the porous plate 6 is fixed on the side wall of the positioning plate 46, thus facilitating the accurate welding of the porous plate 6 inside the necking 23 and avoiding deviation of the installation position of the porous plate 6 inside the necking 23.
[0029] A plurality of hand-operated valves 11 are mounted on the surface of the base 1, and the plurality of hand-operated valves 11 are respectively connected to the first cylinder 32, the second cylinder 44, and the third cylinder 51. The hand-operated valves 11 are connected to an air pump. By rotating the hand-operated valves 11, the flow rate of the gas entering the first cylinder 32, the second cylinder 44, and the third cylinder 51 is adjusted.
[0030] The working principle of the clamping device for welding and forming the porous plate for the automotive mixer provided by the present utility model is as follows: Connect the hand-operated valve 11 to an air pump, place the cylinder body 2 on the surface of the fixed seat 12, and rotate the cylinder body 2 to align the positioning hole 22 on the side wall of the cylinder body 2 with the rubber pad 35; Hold the handle 38 and turn the handle 38 on the side wall of the sliding seat 31. The handle 38 squeezes the compression rod 36, and the compression rod 36 drives the sliding rod 34 and the rubber pad 35 to move, so that the rubber pad 35 moves into the side wall of the positioning hole 22 to fix the position of the cylinder body 2 and prevent the cylinder body 2 from rotating. Rotate the hand-operated valve 11 connected to the first cylinder 32. The two ends of the first cylinder 32 are respectively installed with intake pipes connected to the hand-operated valve 11. When the hand-operated valve 11 is opened, gas enters the interior of the first cylinder 32 to push the piston 39 to move towards the positioning hole 22. The piston 39 drives the sliding rod 34 and the rubber pad 35 into the interior of the positioning hole 22, thereby fixing the positions of the sliding rod 34 and the rubber pad 35. Open the third cylinder 51. The third cylinder 51 pushes the clamping block 52 towards the cylinder body 2. The clamping block 52 engages with the flanging 21 on the side wall of the cylinder body 2, thereby fixing the cylinder body 2 on the surface of the fixed seat 12 and preventing the cylinder body 2 from shaking. Place the porous plate 6 on the surface of the positioning plate 46. The positioning pins 48 on the surface of the positioning plate 46 penetrate the holes on the surface of the porous plate 6 to determine the placement position of the porous plate 6 on the surface of the positioning plate 46. The side wall of the porous plate 6 contacts the side wall of the reduced opening 23, and the strong magnet 47 on the surface of the positioning plate 6 adsorbs the surface of the porous plate 6 to preliminarily fix the porous plate 6 on the side wall of the positioning plate 46. Then open the second cylinder 44. The second cylinder 44 drives the clamping plate 43 to move upward. The clamping plate 43 slides inside the second card slot 42, pushing the compression plate 41 to rotate on the surface of the support seat 45, so that one end of the compression plate 41 rotates downward to squeeze the porous plate 6, fixing the porous plate 6 on the side wall of the positioning plate 46, thereby facilitating the accurate welding of the porous plate 6 inside the reduced opening 23, preventing the installation position of the porous plate 6 inside the reduced opening 23 from deviating, and improving the welding quality.
[0031] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. 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 to other related technical fields, shall be equally included in the patent protection scope of the present utility model.
Claims
1. A clamping device for welding and forming a porous plate for an automotive mixer, characterized in that, Comprising: A base (1), on the surface of the base (1) is installed a fixing seat (12) for installing a cylinder body (2), at one end of the base (1) is installed a limiting mechanism (3) for fixing the cylinder body (2), and on the surface of the base (1) are installed a plurality of fixing mechanisms (5) for fixing the cylinder body (2) on the surface of the fixing seat (12); On the surface of the fixing seat (12) is installed a positioning mechanism (4) for fixing a porous plate (6). The positioning mechanism (4) includes a support seat (45), the support seat (45) is fixed on the surface of the fixing seat (12), and on the side wall of the support seat (45) are installed a second cylinder (44) and a positioning plate (46). On the surface of the positioning plate (46) with an arc-shaped side wall are symmetrically installed a strong magnet (47) and a positioning pin (48); at the top of the second cylinder (44) is installed a clamping plate (43), at the top of the support seat (45) is rotatably connected a compression plate (41), at one end of the compression plate (41) is provided a second card slot (42), and the clamping plate (43) is slidably connected and engaged inside the second card slot (42), and the other end of the compression plate (41) abuts against the positioning plate (46).
2. The clamping device for welding and forming the porous plate for the automotive mixer according to claim 1, wherein, On the side wall of the cylinder body (2) is provided a positioning hole (22), at one end of the cylinder body (2) is provided a flanging (21), at the other end of the cylinder body (2) is provided a necking (23), and the porous plate (6) is welded inside the necking (23).
3. The clamping device for welding and forming a porous plate for an automotive mixer according to claim 2, characterized in that, The limiting mechanism (3) includes a slide bar (34), at one end of the slide bar (34) is fixedly connected a rubber pad (35), and the rubber pad (35) is engaged inside the positioning hole (22); at one end of the slide bar (34) is fixedly connected a compression bar (36); the compression bar (36) is engaged and slidably connected with a first card slot (37), and the first card slot (37) is provided on the side wall of a handle (38), and the handle (38) is rotatably connected with a slide base (31).
4. The clamping device for welding and forming a porous plate for an automotive mixer according to claim 3, wherein, The limiting mechanism (3) further includes a first cylinder (32), the first cylinder (32) is fixed above the base (1) through a card seat (33), inside the first cylinder (32) are slidably connected the slide bar (34), the compression bar (36) and a piston (39), and the piston (39) is fixed at the connection of the slide bar (34) and the compression bar (36); on the side wall of the first cylinder (32) is fixedly connected the slide base (31), at both ends of the first cylinder (32) are respectively installed sealing gaskets (310), and the slide bar (34) and the compression bar (36) are respectively slidably connected with the sealing gaskets (310).
5. The clamping device for welding and forming a porous plate for an automotive mixer according to claim 4, wherein, The fixing mechanism (5) includes a third cylinder (51), on the side wall of the base (1) are fixedly connected three of the third cylinders (51), on the side wall of the third cylinder (51) is installed a clamping block (52), and the clamping block (52) is engaged with the flanging (21).
6. The clamping device for welding and forming a porous plate for an automotive mixer according to claim 5, wherein, A plurality of hand-operated valves (11) are surface-mounted on the base (1), and the plurality of hand-operated valves (11) are respectively communicated with the first cylinder (32), the second cylinder (44) and the third cylinder (51).
7. The clamping device for welding and forming a porous plate for an automotive mixer according to claim 5, wherein The diameter of the fixed seat (12) is equal to the maximum inner diameter of the cylinder body (2), and the second cylinder (44) and the support seat (45) are located inside the cylinder body (2).