Waste gas treatment device for spraying harvester transmission case shell
By designing a combination device of spray box and filter screen, the air pollution problem caused by large paint particles in the harvester transmission box was solved, achieving effective exhaust gas filtration and cleaning.
Patent Information
- Application Number
- CN202520220378.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-12
AI Technical Summary
The paint particles used in the coating of the harvester's transmission box are relatively large, and direct discharge can easily affect human health and air quality.
Design an exhaust gas treatment device that includes a spray box, a rotating disc, a filter disc, and an exhaust fan. The filter disc intercepts paint particles, and the rotation of multiple filter discs achieves particle filtration and cleaning. Combined with a sponge pad to wipe the inner wall, dust adhesion is reduced.
It effectively intercepts and removes paint particles generated during the spraying process, preventing air pollution, simplifying the filter replacement process, and improving air quality.
Smart Images

Figure CN223747845U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of waste gas treatment device, especially in a harvester transmission case shell spraying waste gas treatment device. BACKGROUND
[0002] The harvester transmission case is an important component in the harvester, and its main function is to transmit the power of the engine to various working parts of the harvester, such as knives and conveyors, etc.
[0003] Since the automobile transmission usually adopts more complex gears and components, and the internal structure of the harvester transmission case is relatively simple compared with the automobile transmission, the processing cost is limited, therefore, when spraying the harvester transmission case, it is not necessary to carry out fine spraying like the automobile transmission, so the spraying material particles are relatively large, when the air in the spraying process is discharged, the spraying material particles in the air are relatively large, if directly discharged, it is easy to affect the respiratory health of people and air quality.
[0004] Therefore, it is necessary to provide a harvester transmission case shell spraying waste gas treatment device to solve the above problems. UTILITY MODEL CONTENT
[0005] The utility model discloses a kind of harvester transmission case shell spraying waste gas treatment devices, to solve the problem that harvester transmission case is not necessary to carry out fine spraying like the automobile transmission when spraying, so the spraying material particles are relatively large, when the air in the spraying process is discharged, the spraying material particles in the air are relatively large, if directly discharged, it is easy to affect the respiratory health of people and air quality.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of harvester transmission case shell spraying waste gas treatment device, including spraying box, the rotating disc is rotatably connected in the inside bottom end of the spraying box, one side of the spraying box is communicated with exhaust pipe, one end of the exhaust pipe is communicated with fixed box, and the fixed box is provided with exhaust fan;
[0007] The inner wall top end and bottom end of the exhaust pipe are both provided with sliding slot, and the two sliding slots are both slidably connected with sliding strip, the filter screen disc is rotatably connected between the two sliding strips, the filter screen disc is provided with multiple, the filter screen disc outer side is fixed with sponge pad, and the sliding slot is distributed along the length direction of the exhaust pipe.
[0008] Preferably, the two sliding strips are rotatably connected with shaft on opposite sides, the two shafts are fixed to the outer side of the filter screen disc on opposite sides, the shaft is provided with clamping seat on both sides, the two clamping seats are fixed on the corresponding sliding strip, the outer side of the shaft is fixed with two clamping blocks, and the opposite side of the two clamping blocks is provided with clamping groove, and the two clamping blocks are clamped in the corresponding clamping groove.
[0009] Preferably, two clamping slots are fixed with springs on opposite sides, two springs are fixed with ejection plates on opposite ends, and two clamping blocks are abutted on the corresponding ejection plates on the ends away from each other.
[0010] Preferably, a pull handle is fixed on the sliding bar.
[0011] Preferably, a flange is fixed on the end of the exhaust pipe close to the fixed box, and the flange is connected with the fixed box through fixing bolts.
[0012] Preferably, a box door is hinged on one side of the spraying box, a plurality of spray heads are fixed on the inner wall of the spraying box, and the plurality of spray heads are distributed around the rotating disc.
[0013] The technical effects and advantages of the utility model are as follows:
[0014] 1. The filter screen disc can intercept paint particles in the exhaust gas. With the increase of use time, paint particles and dust will gradually cover the side of the filter screen disc closest to the spraying box. At this time, the suction force of the air extractor will act on the other side of the filter screen disc. With the increase of pressure, the filter screen disc will rotate, avoiding the blockage of the exhaust gas. Since the filter screen disc is provided with a plurality of filter screen discs, the exhaust gas can be filtered through the rear filter screen disc. When the filter screen disc rotates, the other relatively clean side of the filter screen disc can be repositioned to face the spraying box for use.
[0015] 2. The filter screen disc can also be manually rotated by personnel. A pull handle is fixed on the sliding bar. The pull handle can be used to take out a plurality of filter screen discs at the same time, reducing the replacement time. When the personnel pull out the plurality of filter screen discs from the exhaust pipe, the sponge pad on the outside of the filter screen disc can wipe the inner wall of the exhaust pipe, reducing the adhesion of dust and paint on the inner wall. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structure schematic view of the exhaust gas treatment device for the spraying of the harvester transmission box shell.
[0017] Figure 2 It is a structure schematic view of the sliding bar and the filter screen disc.
[0018] Figure 3 It is a structure schematic view of the rotating shaft.
[0019] Figure 4 It is a structure schematic view of the rotating shaft. Figure 3 It is an enlarged schematic view of A in the utility model.
[0020] In the figure: 1, spraying box; 2, box door; 3, rotating disc; 4, exhaust pipe; 5, fixed box; 6, exhaust fan; 7, flange; 8, sliding groove; 9, sliding bar; 10, filter screen disc; 11, sponge pad; 12, clamping block; 13, pull handle; 14, clamping seat; 15, clamping groove; 16, spring; 17, ejection plate; 18, rotating shaft. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] The utility model provides a kind of harvesting machine transmission case shell spraying exhaust treatment device as shown in Figures 1-4 The utility model provides a kind of harvesting machine transmission case shell spraying exhaust treatment device as shown in
[0023] One end of exhaust pipe 4 is communicated with fixed box 5, and exhaust fan 6 is arranged in fixed box 5, so that after spraying, exhaust fan 6 can be started to take out the excess exhaust gas in the inside of spraying box 1 and the excess coating in the air.
[0024] Since the automobile transmission usually adopts more complex gears and components, and the internal structure of the harvesting machine transmission is relatively simple compared with the automobile transmission, the processing cost is limited, so when the harvesting machine transmission is sprayed, it does not need to be sprayed as fine as the automobile transmission, and the spraying material particles are relatively large, so the spraying material particles in the air are relatively large, and if they are directly discharged, it is easy to affect the respiratory health of people and air quality.
[0025] Therefore, sliding grooves 8 are formed in the top end and the bottom end of the inner wall of exhaust pipe 4, sliding bars 9 are slidably connected in the two sliding grooves 8, filter screen discs 10 are rotatably connected between the two sliding bars 9, sponge pads 11 are fixed outside the filter screen discs 10, and the sliding grooves 8 are distributed along the length direction of exhaust pipe 4.
[0026] The two sliding bars 9 are rotationally connected with rotating shafts 18 on opposite sides, the two rotating shafts 18 are fixed to the outer side of the filter screen disc 10 on opposite sides, the rotating shafts 18 are provided with clamping seats 14 on both sides, the two clamping seats 14 are fixed to the corresponding sliding bars 9, the rotating shafts 18 are fixed with two clamping blocks 12 on the outer side, the two clamping seats 14 are provided with clamping grooves 15 on opposite sides, the two clamping blocks 12 are clamped in the corresponding clamping grooves 15, and the two clamping seats 14 can fix the corresponding filter screen disc 10.
[0027] When the filter screen disc 10 rotates, the clamping block 12 on the rotating shaft 18 is separated from the clamping seat 14, at this time, the ejection plate 17 in the clamping seat 14 is ejected, and as the clamping block 12 rotates to 180 degrees, the clamping block 12 will press the corresponding ejection plate 17 into the clamping groove 15, and the clamping cooperation is completed, that is, the filter screen disc 10 can be fixed only by rotating 180 degrees each time, and the replacement of the two surfaces of the filter screen disc 10 is completed.
[0028] The two clamping grooves 15 are fixed with springs 16 on opposite sides, the two springs 16 are fixed with ejection plates 17 on opposite ends, and the two clamping blocks 12 are abutted on the corresponding ejection plates 17 away from each other.
[0029] In the actual operation of the utility model, the filter screen disc 10 can be slidably installed in the inside of the exhaust pipe 4, when the gas in the spraying box 1 is extracted, the paint particles in the air can be intercepted by the filter screen disc 10, and the filtering effect is achieved, and the filter screen disc 10 can be conveniently installed and dismounted in the exhaust pipe 4 through the two sliding bars 9.
[0030] With the increase of use time, the paint particles and dust will gradually cover the surface of the filter screen disc 10 closest to the spraying box 1, at this time, the suction force of the exhaust fan 6 will act on the other surface of the filter screen disc 10, and with the increase of pressure, the filter screen disc 10 will rotate, so that the exhaust gas cannot be sucked due to blockage is avoided, since the filter screen disc 10 is provided with a plurality of filter screen discs 10, the filtering effect of the exhaust gas can be achieved through the rear filter screen disc 10, and when the filter screen disc 10 rotates by 180 degrees, the other relatively clean surface of the filter screen disc 10 can be repositioned to face the spraying box 1 for use.
[0031] The filter screen disc 10 can also be manually rotated by personnel, and the sliding bar 9 is fixed with a pull handle 13, so that a plurality of filter screen discs 10 can be taken out at the same time through the pull handle 13, thereby reducing the replacement time, when the personnel pull out the plurality of filter screen discs 10 from the exhaust pipe 4, the sponge pad 11 on the outer side of the filter screen disc 10 wipes the inner wall of the exhaust pipe 4, thereby reducing the adhesion of dust and paint on the inner wall.
[0032] The flange 7 is fixed to the end of the exhaust pipe 4 close to the fixed box 5, and the flange 7 is connected with the fixed box 5 through the fixing bolts.
Claims
1. A harvester transmission case shell painting exhaust treatment device comprising a painting cabinet (1), characterized in that: The rotating disc (3) is rotatably connected to the bottom end of the spraying box (1), one side of the spraying box (1) is communicated with the exhaust pipe (4), one end of the exhaust pipe (4) is communicated with the fixed box (5), and the fixed box (5) is provided with the exhaust fan (6). The inner wall of the exhaust pipe (4) is provided with sliding grooves (8) at the top end and the bottom end, the sliding grooves (8) are slidably connected with sliding bars (9), the filter screen discs (10) are rotatably connected between the sliding bars (9), the filter screen discs (10) are provided with a plurality of filter screen discs (10), the filter screen discs (10) are provided with sponge pads (11), and the sliding grooves (8) are distributed along the length direction of the exhaust pipe (4).
2. A harvester transmission case shell painting exhaust treatment device according to claim 1, characterized in that: The opposite sides of the two sliding bars (9) are rotatably connected with shafts (18), the opposite sides of the two shafts (18) are fixed to the outer sides of the filter screen discs (10), the two sides of the shaft (18) are provided with clamping seats (14), the two clamping seats (14) are fixed to the corresponding sliding bars (9), the outer side of the shaft (18) is fixed with two clamping blocks (12), the opposite sides of the two clamping seats (14) are provided with clamping grooves (15), and the two clamping blocks (12) are clamped in the corresponding clamping grooves (15).
3. A harvester transmission case shell painting exhaust treatment device according to claim 2, characterized in that: The opposite sides of the two clamping grooves (15) are fixed with springs (16), the opposite ends of the two springs (16) are fixed with ejection plates (17), and the ends of the two clamping blocks (12) away from each other abut against the corresponding ejection plates (17).
4. A harvester transmission case shell painting exhaust treatment device according to claim 1, characterized in that: The sliding bar (9) is fixed with a pull handle (13).
5. A harvester transmission case shell painting exhaust treatment device according to claim 1, characterized in that: The outer side of the exhaust pipe (4) is fixed with a flange (7) near one end of the fixed box (5), and the flange (7) is connected with the fixed box (5) through fixing bolts.
6. A harvester transmission case shell painting exhaust treatment device according to claim 1, characterized in that: The spraying box (1) is hinged with a box door (2) on one side, a plurality of spray heads are fixed on the inner wall of the spraying box (1), and the spray heads are distributed around the rotating disc (3).