Spraying mechanism for automobile plastic product processing

Abstract

The utility model relates to a spraying mechanism for processing automobile plastic products, which comprises a protective box, two groups of driving rollers are symmetrically arranged in the protective box, a conveying mesh belt is arranged between the two groups of driving rollers, a first motor is arranged on the protective box and is in transmission connection with the driving rollers, and a plurality of support frames are uniformly arranged on the conveying mesh belt. A spraying pipe is arranged in the protection box and located above the conveying net belt, the input end of the spraying pipe is connected with a spraying assembly, a blowing pipe is arranged on the front side of the spraying pipe, the air inlet end of the blowing pipe is connected with an air blower, a drying lamp set is arranged on the rear side of the spraying pipe, a dust suction cover is arranged at the bottom end of the conveying net belt, and a dust suction pipe is connected to the dust suction cover. According to the automobile plastic product spraying device, streamlined operation of automobile plastic products in the spraying process can be achieved, and the spraying efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile plastic product processing, in particular to a spraying mechanism for automobile plastic product processing. Background Art

[0002] There are many plastic products in various parts of automobiles. During the processing of automobile plastic products, the surface of the plastic products needs to be sprayed to enhance the surface aesthetics, anti-oxidation and anti-corrosion properties of the plastic products, and enhance the overall toughness of the plastic products.

[0003] The existing spraying mechanism for automobile plastic product processing mainly places the automobile plastic product to be sprayed in a spray box for clamping and fixing, and then sprays it with a spray gun, etc. However, in this case, after spraying one automobile plastic product, it is necessary to wait for drying, take out the sprayed automobile plastic product, and then spray the next automobile plastic product. For example, a Chinese patent document with publication number CN214515409U provides an automobile plastic parts spraying device; in addition, when adopting the above scheme, it is necessary to manually blow away the dust on the surface of the automobile plastic parts before spraying, and the dust on the surface of the automobile plastic parts cannot be blown away directly before spraying, which affects the spraying effect and efficiency of the automobile plastic parts, and the sprayed automobile plastic products cannot be dried in time after spraying, which affects the spraying processing efficiency of the automobile plastic products. Utility Model Content

[0004] The purpose of the utility model is to provide a spraying mechanism for processing automobile plastic products, so as to solve the problems of low spraying efficiency, inability to blow off dust in advance and timely drying after spraying in the prior art spraying mechanism for processing automobile plastic products proposed in the above background technology when processing automobile plastic products.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A spraying mechanism for processing automobile plastic products, including a protective box, two groups of drive rollers are symmetrically arranged in the protective box, a conveyor mesh belt is arranged between the two groups of drive rollers, a first motor is arranged on the protective box for transmission connection with the drive rollers, a plurality of support frames are evenly arranged on the conveyor mesh belt, a spray pipe is arranged inside the protective box and above the conveyor mesh belt, the input end of the spray pipe is connected to a spray assembly, a purge pipe is arranged on the front side of the spray pipe, a hair dryer is connected to the air inlet end of the purge pipe, a drying lamp group is arranged on the rear side of the spray pipe, a dust hood is arranged at the bottom end of the conveyor mesh belt, a dust hood is connected to a dust pipe, and the tail end of the dust pipe is connected to a dust collecting box.

[0007] As a further solution of the utility model: the dust collecting box includes a box body, an arc-shaped upward protective filter is arranged inside the box body, the dust suction pipe is located below the protective filter, an exhaust duct is arranged on the box body above the protective filter, and an exhaust fan is arranged on the exhaust duct to achieve the absorption and collection of excess paint during the spraying process of automobile plastic parts and ensure the environment of the processing workshop.

[0008] As a further solution of the utility model: the spraying assembly includes a material barrel, the material barrel is connected to a pump body, the output end of the pump body is connected to the spray pipe and a material delivery pipe is provided. Through the cooperation of the pump body, the material barrel and the material delivery pipe, the supply of paint can be realized when spraying automotive plastic products.

[0009] As a further solution of the utility model: a ball screw is longitudinally arranged on the inner wall of the protective box, and a second motor is arranged in conjunction with the ball screw, a screw nut is arranged on the ball screw, a mounting seat is arranged at one end of the spray pipe, and the mounting seat is installed on the screw nut, and the spray pipe is driven up and down in the protective box through the cooperation of the second motor, the ball screw, the screw nut and the mounting seat.

[0010] As a further solution of the utility model: the support frame includes two groups of support legs arranged symmetrically, and a bearing frame is arranged on the support legs. The support stability of the automobile plastic product during spraying can be enhanced through the cooperation of the support legs and the bearing frame.

[0011] As a further solution of the utility model: the conveyor mesh belt is provided with a fixed seat in coordination with the supporting leg, the fixed seat is provided with a snap-fitting groove, the supporting leg is elastically slidably and telescopically provided with a snap-fitting frame, and the snap-fitting frame and the snap-fitting groove are snap-fitted with each other.

[0012] As a further solution of the utility model: the back side of the snap-fit ​​frame slides and extends through a slot structure to the other side of the support leg where a connecting shaft is provided, a spring is correspondingly provided between the snap-fit ​​frame and the support leg, and the spring is sleeved on the outside of the connecting shaft to achieve a detachable connection between the support leg and the conveyor belt, thereby facilitating the installation and disassembly of the support frame on the conveyor belt.

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] 1. The utility model adopts the combination of the conveyor mesh belt and the protective box to realize the streamlined operation of automobile plastic products during the spraying process. Through the cooperation of the purge pipe, the spray pipe and the drying lamp group, the automobile plastic products to be sprayed can be purged, sprayed and dried in turn, and the process operation is streamlined to improve the processing efficiency of automobile plastic products.

[0015] 2. The utility model provides a dust hood between the upper and lower belt surfaces of the conveyor mesh belt, and is matched with a dust suction pipe and a dust collecting box. At the same time, in combination with the mesh structure of the conveyor mesh belt itself, when spraying automobile plastic products, the exhaust fan is started, and negative pressure is generated at the dust hood under the action of the exhaust fan. Therefore, when spraying automobile plastic parts, excess paint will pass through the conveyor mesh belt and be absorbed by the dust suction hood, and be transported to the box through the dust suction pipe, wherein the paint in the airflow will be intercepted by the protective filter, and the excess airflow will be discharged outward through the exhaust pipe. In this way, the cleaning and collection of paint dust generated when spraying automobile plastic parts can be enhanced, and the cleanliness of automobile plastic parts during spraying can be enhanced.

[0016] 3. At the same time, the setting of the arc-shaped protective filter can enhance the flow area of ​​the airflow and improve the filtering effect. The arc-shaped setting can make the paint adhering to the protective filter flow downward along the protective filter to avoid accumulation on the protective filter.

[0017] 4. In addition, the utility model has a ball screw longitudinally arranged on the inner wall of the protective box, and a second motor is arranged in conjunction with the ball screw, a screw nut is arranged on the ball screw, a mounting seat is arranged at one end of the spray pipe, and the mounting seat is mounted on the screw nut. The second motor is started, and the ball screw can be driven to rotate by the second motor. The cooperation between the ball screw and the screw nut can make the screw nut drive the mounting seat to move up and down in the protective box, thereby realizing the up and down movement of the spray pipe installed on the mounting seat, realizing the adjustment of the spraying distance between the spray pipe and the automotive plastic product, and improving the spraying accuracy and spraying effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The overall structure of a spraying mechanism for automobile plastic product processing of the utility model is shown in FIG. Figure 1 ;

[0019] Figure 2 The overall structure of a spraying mechanism for automobile plastic product processing of the utility model is shown in FIG. Figure 2 ;

[0020] Figure 3 It is a schematic cross-sectional view of the internal structure of the protection box in the utility model;

[0021] Figure 4 It is a cross-sectional schematic diagram of the local connection structure between the protection box and the spray pipe in the utility model;

[0022] Figure 5 It is a schematic diagram of the partial connection structure between the carrier and the conveyor belt in the utility model;

[0023] Figure 6The utility model is a schematic cross-sectional view of the internal structure of the dust collecting box.

[0024] In the figure: 1. protection box; 2. driving roller; 3. conveyor belt; 4. first motor; 5. support frame; 6. spray pipe; 7. purge pipe; 8. hair dryer; 9. drying lamp group; 10. dust hood; 11. dust pipe; 12. dust box; 13. box body; 14. protection filter; 15. exhaust pipe; 16. exhaust fan; 17. material barrel; 18. pump body; 19. material delivery pipe; 20. ball screw; 21. second motor; 22. screw nut; 23. mounting seat; 24. support leg; 25. bearing frame; 26. fixing seat; 27. snap-fit ​​groove; 28. snap-fit ​​frame; 29. ​​connecting shaft; 30. spring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Embodiment 1:

[0027] Please refer to Figures 1 to 6 , in the embodiment of the utility model:

[0028] A spraying mechanism for processing automobile plastic products includes a protective box 1, two groups of driving rollers 2 are symmetrically arranged in the protective box 1, a conveyor mesh belt 3 is arranged between the two groups of driving rollers 2, a first motor 4 is arranged on the protective box 1 for transmission connection with the driving rollers 2, a plurality of support frames 5 are evenly arranged on the conveyor mesh belt 3, a spraying pipe 6 is arranged inside the protective box 1 and above the conveyor mesh belt 3, the input end of the spraying pipe 6 is connected to the spraying assembly, a purge pipe 7 is arranged on the front side of the spraying pipe 6, a hair dryer 8 is connected to the air inlet end of the purge pipe 7, a drying lamp group 9 is arranged on the rear side of the spraying pipe 6, a dust hood 10 is arranged at the bottom end of the conveyor mesh belt 3, a dust hood 10 is connected to a dust suction pipe 11, and the tail end of the dust suction pipe 11 is connected to a dust collecting box 12.

[0029] In the embodiment of the utility model: the dust box 12 includes a box body 13, an arc-shaped upward protective filter screen 14 is arranged inside the box body 13, the dust suction pipe 11 is located below the protective filter screen 14, and an exhaust pipe 15 is arranged on the box body 13 above the protective filter screen 14, and an exhaust fan 16 is arranged on the exhaust pipe 15. Under the action of the exhaust fan 16, negative pressure will be generated at the dust hood 10, so that when the automobile plastic parts are sprayed, the excess paint will be absorbed by the dust hood 10 and transported to the box body 13 through the dust suction pipe 11, wherein the paint in the airflow will be intercepted by the protective filter screen 14, and the excess airflow will be discharged outward through the exhaust pipe 15, so that the cleaning and collection of the paint dust generated when the automobile plastic parts are sprayed can be strengthened, and the cleanliness of the automobile plastic parts during spraying can be strengthened;

[0030] The setting of the arc-shaped protective filter 14 can increase the flow area of ​​the airflow and improve the filtering effect. The arc-shaped setting can make the paint adhered to the protective filter 14 flow downward along the protective filter 14 to avoid accumulation on the protective filter 14.

[0031] In the embodiment of the utility model: the spraying assembly includes a material barrel 17, the material barrel 17 is connected to a pump body 18, the output end of the pump body 18 is connected to the spray pipe 6 and is provided with a feed pipe 19, the feed pipe 19 is a stretchable hose, when the paint is sprayed, the pump body 18 is started, the paint in the material barrel 17 is drawn out through the pump body 18, and is transported to the spray pipe 6 through the feed pipe 19, and is evenly sprayed outward to the surface of the automobile plastic parts through the spray pipe 6, so as to achieve uniform spraying of the surface of the automobile plastic parts.

[0032] In the embodiment of the utility model: a ball screw 20 is longitudinally arranged on the inner wall of the protective box 1, and a second motor 21 is arranged in conjunction with the ball screw 20, a screw nut 22 is arranged on the ball screw 20, a mounting seat 23 is arranged at one end of the spray tube 6, and the mounting seat 23 is mounted on the screw nut 22. The second motor 21 is started, and the ball screw 20 can be driven to rotate by the second motor 21. Through the cooperation between the ball screw 20 and the screw nut 22, the screw nut 22 can drive the mounting seat 23 to move up and down in the protective box 1, thereby realizing the up and down movement of the spray tube 6 installed on the mounting seat 23, realizing the adjustment of the spraying distance between the spray tube 6 and the automotive plastic product, and improving the spraying accuracy and spraying effect.

[0033] In the embodiment of the utility model: the support frame 5 includes two groups of support legs 24 arranged symmetrically, and a bearing frame 25 is arranged on the support legs 24. The support legs 24 are used to realize the connection between the support frame 5 and the conveyor belt 3, and the bearing frame 25 is used to realize the placement and bearing when the automobile plastic products are sprayed.

[0034] In the embodiment of the utility model: the conveyor mesh belt 3 is provided with a fixed seat 26 in cooperation with the support leg 24, and a snap-fitting groove 27 is provided on the fixed seat 26. The support leg 24 is elastically slidably and telescopically provided with a snap-fitting frame 28, and the snap-fitting frame 28 and the snap-fitting groove 27 are snap-fitted with each other. The back of the snap-fitting frame 28 slides and extends to the other side of the support leg 24 through the slot structure, and a connecting shaft 29 is provided. A spring 30 is correspondingly provided between the snap-fitting frame 28 and the support leg 24, and the spring 30 is sleeved on the outside of the connecting shaft 29;

[0035] When the support frame 5 is installed on the conveyor mesh belt 3, the engaging frame 28 is squeezed, and under the action of the connecting shaft 29, the engaging frame 28 is stably moved toward the support leg 24, and the engaging frame 28 is located on the inner side of the fixing seat 26, so that the engaging frame 28 and the engaging groove 27 are aligned with each other. After that, the engaging frame 28 is released, and under the action of the spring 30, the engaging frame 28 is squeezed to move outward, so that the engaging frame 28 is inserted into the corresponding engaging groove 27. The mutual engaging relationship between the engaging groove 27 and the engaging frame 28 is realized to achieve the connection and fixation between the support leg 24 and the fixing seat 26, thereby realizing the stable installation of the support frame 5 on the conveyor mesh belt 3; in this way, it is convenient to install and disassemble the support frame 5 on the conveyor mesh belt 3, thereby facilitating the adjustment of the distance between the two adjacent groups of support frames 5, and at the same time facilitating the installation, disassembly and replacement of the support frame 5.

[0036] Embodiment 2:

[0037] refer to Figures 1 to 6 The utility model relates to a spraying mechanism for processing automobile plastic products. When the automobile plastic products are sprayed, the automobile plastic products are placed on a support frame 5 of a conveyor mesh belt 3, and the automobile plastic products to be sprayed are stably placed and supported on the conveyor mesh belt 3 through the support frame 5;

[0038] Afterwards, the first motor 4 drives the driving roller 2 to rotate, and the driving roller 2 drives the conveying mesh belt 3 to move, so as to achieve stable conveyance of the automobile plastic product to be sprayed on the conveying mesh belt 3;

[0039] During the conveying process, the automobile plastic product to be sprayed first reaches the blowing pipe 7, and the blower 8 is started. Under the action of the blower 8, the airflow can be blown out from the blowing pipe 7 and blown toward the automobile plastic product to be sprayed, so as to blow away the dust on the surface of the automobile plastic product to be sprayed, so as to improve the adhesion of the paint on the surface of the automobile plastic product to be sprayed during the subsequent spraying;

[0040] Afterwards, the automobile plastic product to be sprayed reaches the position of the spray pipe 6, and the pump body 18 is started. With the cooperation of the pump body 18 and the feed pipe 19, the paint in the barrel 17 can be sprayed outward through the spray pipe 6 onto the surface of the automobile plastic product to be sprayed. As the conveyor mesh belt 3 drives the automobile plastic product to be sprayed to move, the spray pipe 6 can achieve uniform spraying of the surface of the automobile plastic product to be sprayed;

[0041] Afterwards, the automobile plastic products after spraying will gradually pass through the drying lamp group 9, and the drying lamp group 9 can dry the automobile plastic products after spraying in time, thereby improving the drying efficiency of the automobile plastic products after spraying.

[0042] Embodiment 3:

[0043] refer to Figures 1 to 6 On the basis of Example 2, the utility model is provided with a dust hood 10 between the upper and lower belt surfaces of the conveyor mesh belt 3, and is matched with a dust hood 10 and provided with a dust collection pipe 11 and a dust collection box 12. In the process of spraying automobile plastic products, the exhaust fan 16 is started, and under the action of the exhaust fan 16, negative pressure is generated at the dust hood 10, so that when the automobile plastic parts are sprayed, the excess paint will be absorbed by the dust hood 10 and transported to the box body 13 through the dust collection pipe 11, wherein the paint in the airflow will be intercepted by the protective filter 14, and the excess airflow will be discharged outward through the exhaust pipe 15, so that the cleaning and collection of the paint dust generated when the automobile plastic parts are sprayed can be strengthened, and the cleanliness of the automobile plastic parts during spraying can be strengthened;

[0044] The setting of the arc-shaped protective filter 14 can increase the flow area of ​​the airflow and improve the filtering effect, and the arc-shaped setting can make the paint adhered to the protective filter 14 flow downward along the protective filter 14 to avoid accumulation on the protective filter 14;

[0045] At the same time, the utility model is provided with a ball screw 20 longitudinally on the inner wall of the protective box 1, and a second motor 21 is provided in conjunction with the ball screw 20, a screw nut 22 is provided on the ball screw 20, a mounting seat 23 is provided at one end of the spray tube 6, the mounting seat 23 is mounted on the screw nut 22, and the second motor 21 is started, and the ball screw 20 can be driven to rotate by the second motor 21, and the screw nut 22 can drive the mounting seat 23 to move up and down in the protective box 1 through the cooperation between the ball screw 20 and the screw nut 22, thereby realizing the up and down movement of the spray tube 6 installed on the mounting seat 23, realizing the adjustment of the spraying distance between the spray tube 6 and the automotive plastic product, and improving the spraying accuracy and spraying effect.

[0046] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, matching connection of bolts and nuts, bolt or screw connection or other well-known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is given priority. The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, according to the technical scheme of the utility model and its utility model concept, shall be covered by the protection scope of the utility model.

Claims

1. A spraying mechanism for processing automobile plastic products, comprising a protective box (1), characterized in that: Two groups of driving rollers (2) are symmetrically arranged in the protection box (1), a conveying mesh belt (3) is arranged between the two groups of driving rollers (2), a first motor (4) is arranged on the protection box (1) for transmission connection with the driving rollers (2), a plurality of support frames (5) are evenly arranged on the conveying mesh belt (3), a spray pipe (6) is arranged inside the protection box (1) and above the conveying mesh belt (3), the input end of the spray pipe (6) is connected to a spray assembly, a purge pipe (7) is arranged on the front side of the spray pipe (6), the air inlet end of the purge pipe (7) is connected to a hair dryer (8), a drying lamp group (9) is arranged on the rear side of the spray pipe (6), a dust hood (10) is arranged at the bottom end of the conveying mesh belt (3), a dust hood (10) is connected to a dust pipe (11), and the tail end of the dust pipe (11) is connected to a dust collecting box (12).

2. The spray coating mechanism for automobile plastic product processing according to claim 1, characterized in that: The dust collecting box (12) comprises a box body (13), an arc-shaped upward protective filter screen (14) is arranged inside the box body (13), the dust suction pipe (11) is located below the protective filter screen (14), an exhaust pipe (15) is arranged on the box body (13) above the protective filter screen (14), and an exhaust fan (16) is arranged on the exhaust pipe (15).

3. The spray coating mechanism for automobile plastic product processing according to claim 1, characterized in that: The spraying assembly comprises a material barrel (17), the material barrel (17) is connected to a pump body (18), and the output end of the pump body (18) is connected to a spraying pipe (6) and is provided with a material delivery pipe (19).

4. The spray coating mechanism for automobile plastic product processing according to claim 3, characterized in that: A ball screw (20) is longitudinally arranged on the inner wall of the protective box (1), and a second motor (21) is arranged in conjunction with the ball screw (20); a screw nut (22) is arranged on the ball screw (20); a mounting seat (23) is arranged at one end of the spray pipe (6), and the mounting seat (23) is mounted on the screw nut (22).

5. The spray coating mechanism for automobile plastic product processing according to claim 1, characterized in that: The support frame (5) comprises two groups of support legs (24) which are symmetrically arranged, and a bearing frame (25) is arranged on the support legs (24).

6. The spray coating mechanism for automobile plastic product processing according to claim 5, characterized in that: The conveyor mesh belt (3) is provided with a fixed seat (26) in cooperation with the support leg (24); a snap-fitting groove (27) is provided on the fixed seat (26); a snap-fitting frame (28) is elastically slidably and telescopically provided on the support leg (24); the snap-fitting frame (28) and the snap-fitting groove (27) are snap-fitted with each other.

7. The spray coating mechanism for automobile plastic product processing according to claim 6, characterized in that: The back side of the snap-fit ​​frame (28) is slidably extended through a slot structure to the other side of the support leg (24) and is provided with a connecting shaft (29); a spring (30) is correspondingly provided between the snap-fit ​​frame (28) and the support leg (24); and the spring (30) is sleeved on the outside of the connecting shaft (29).

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