Spraying device for van carriage body

Abstract

The utility model provides a spraying device for a van carriage body, which comprises a valve body, a main regulating valve, a first auxiliary regulating valve and a second auxiliary regulating valve, a main flow channel, a first auxiliary flow channel and a second auxiliary flow channel are formed in the valve body, and the first auxiliary flow channel and the second auxiliary flow channel are respectively communicated with the main flow channel through pipelines. A first inlet and a second inlet are formed in the side wall of the valve body, and the front end of the flow channel penetrates out of the valve body and forms an outlet; the main regulating valve is arranged in the main flow channel and is used for regulating the communication quantity of the main flow channel and the outlet; the first auxiliary regulating valve is arranged in the first auxiliary flow channel and is used for regulating the communication quantity of the first inlet and the main flow channel; the second auxiliary regulating valve is arranged in the second auxiliary flow channel and is used for regulating the communication quantity of the second inlet and the main flow channel; the spraying device for the van carriage body is compact in structure, small in size, capable of achieving multi-color spraying, high in spraying efficiency, good in effect and wide in application range.

Description

Technical Field

[0001] The utility model relates to a vehicle body production device, in particular to a spraying device for a box-type vehicle body. Background Art

[0002] During the production process of the carriage body, the sheet materials need to be sprayed. In order to improve the aesthetics, multi-color spraying will be performed on the sheet. In the existing process, spraying is performed separately by multiple spray guns, which is inefficient and the spraying effect is not ideal. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a spraying device for a van-type vehicle body which can adjust the ratio of two colors and has high spraying efficiency and good effect.

[0004] The utility model provides a spraying device for a van-type vehicle body, comprising:

[0005] A valve body 1, wherein a main flow channel 10a, a first secondary flow channel 10b and a second secondary flow channel 10c are formed in the valve body 1, wherein the first secondary flow channel 10b and the second secondary flow channel 10c are respectively connected to the main flow channel 10a through pipelines, and a first inlet 101 connected to the first secondary flow channel 10b and a second inlet 102 connected to the second secondary flow channel 10c are formed on the side wall of the valve body 1, and the front end of the main flow channel 10a penetrates to the outside of the valve body 1 and forms an outlet 103;

[0006] A main regulating valve 2, disposed in the main flow channel 10a, for regulating the communication volume between the main flow channel 10a and the outlet 103;

[0007] A first secondary regulating valve 3, disposed in the first secondary flow channel 10b, for regulating the communication volume between the first inlet 101 and the primary flow channel 10a;

[0008] A second secondary regulating valve 4 is disposed in the second secondary flow channel 10c and is used to adjust the communication volume between the second inlet 102 and the main flow channel 10a;

[0009] The main regulating valve 2 , the first auxiliary regulating valve 3 and the second auxiliary regulating valve 4 are all provided with regulating knobs.

[0010] Furthermore, the main flow channel 10a, the first secondary flow channel 10b and the second secondary flow channel 10c are parallel to each other and located on the same plane.

[0011] Furthermore, the first secondary flow channel 10b and the second secondary flow channel 10c are respectively disposed on both sides of the main flow channel 10a.

[0012] Furthermore, the main regulating valve 2 includes a valve seat 21, which is cylindrical and sleeved in the main flow channel 10a, and valve holes are penetrated at both ends of the valve seat 21. A valve stem 22 is slidably provided in the valve hole, and the front end of the valve stem 22 extends outside the valve hole, and a valve core 221 is provided at its front end, and a sealing surface is provided on the valve core 221; an elastic component is provided in the valve hole to make the valve stem 21 have a backward movement tendency and make the sealing surface fit the end face of the valve hole to achieve blocking, and a side wall of the valve hole is provided with a liquid inlet hole 210 for connecting with the main flow channel 10a and achieving liquid inlet, and the rear end of the valve body 1 is threadedly connected with an adjusting bolt 25 coaxial with the valve stem 22, and the adjusting bolt 25 can contact the end of the valve stem 22 and be used to push it to slide forward.

[0013] Furthermore, an annular groove is provided on the side wall of the valve seat 21, a liquid inlet area is formed between the annular groove and the side wall of the main channel 10a, the first secondary channel 10b and the second secondary channel 10c are connected to the liquid inlet area, and the liquid inlet hole is provided in the annular groove.

[0014] Furthermore, the valve core is truncated cone-shaped, and the sealing surface is an arc-shaped surface.

[0015] Furthermore, a mounting hole is provided at the rear end of the main channel 10a, and the rear end of the valve seat 21 extends radially outward to form a connecting seat, which is located in the mounting hole and realizes axial fixation. A mounting seat 24 is provided at the end of the mounting hole, and a screw hole coaxial with the valve stem 22 is penetrated on the mounting seat 24, and the adjusting bolt is threadedly connected in the screw hole.

[0016] Furthermore, a circular spring piece 23 capable of generating elastic deformation is provided between the mounting seat 24 and the connecting seat.

[0017] Furthermore, the first auxiliary regulating valve 3 , the second auxiliary regulating valve 4 and the main regulating valve have the same structure.

[0018] The advantages of the utility model are as follows: the spraying device for the van-type car body adopts a dual-input and single-output, can realize two-color rapid spraying, and greatly improves the spraying efficiency; a plurality of regulating valves are arranged, which can adjust the feed ratio of the two coatings and the spraying amount of the coatings, and realize rapid control of the spraying effect; the regulating valve is convenient and labor-saving, can meet different spraying effects, and has a good use effect; the regulating valve is designed and optimized, with a compact structure, low manufacturing cost, high precision, easy assembly, and convenient adjustment; the spraying device for the van-type car body of the utility model has a compact structure, a small size, can realize multi-color spraying, has high spraying efficiency and good effect, and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1This is a schematic diagram of the structure of the spraying device for a van-type vehicle body of the utility model;

[0020] Figure 2 This is a schematic structural diagram of another angle of the spraying device for a van-type vehicle body of the utility model;

[0021] Figure 3 It is a cross-sectional view of the spraying device for a van-type vehicle body of the utility model;

[0022] Figure 4 It is a partial enlarged view of the spraying device of the utility model used for the box-type vehicle body. DETAILED DESCRIPTION

[0023] The following is a detailed description of the embodiments of the present utility model in conjunction with the accompanying drawings.

[0024] See also Figure 1-Figure 4 The utility model provides a spraying device for a van body, comprising a valve body 1 and a regulating valve, which is used as a coating proportioning device and is arranged on a spray gun.

[0025] The valve body 1 is used as a support and mounting carrier, and a mounting hole is provided on the valve body for connecting with the spray gun. The valve body 1 is a rectangular parallelepiped structure as a whole, and a main flow channel 10a, a first secondary flow channel 10b and a second secondary flow channel 10c are formed in the valve body 1. In this embodiment, the main flow channel 10a, the first secondary flow channel 10b and the second secondary flow channel 10c are parallel to each other, and their axes are located on the same plane. Preferably, the first secondary flow channel 10b and the second secondary flow channel 10c are respectively arranged on both sides of the main flow channel 10a, which is convenient for the processing of the valve body. , while reducing the overall volume, the first secondary flow channel 10b is connected to the main flow channel 10a through the first pipeline 104, the second secondary flow channel 10c is connected to the main flow channel 10a through the second pipeline 105, and the first inlet 101 and the second inlet 102 are opened on the side wall of the valve body 1, wherein the first inlet 101 is connected to the first secondary flow channel 10b, and the second inlet 102 is connected to the second secondary flow channel 10c, and the front end of the main flow channel 10a passes through the outside of the valve body 1, forming an outlet 103 for discharging the mixed paint.

[0026] There are three regulating valves, which are respectively arranged in the main flow channel 10a, the first sub-flow channel 10b and the second sub-flow channel 10c. Specifically, the regulating valve includes a main regulating valve 2, a first sub-regulating valve 3 and a second sub-regulating valve 4, wherein the main regulating valve 2 is arranged in the main flow channel 10a, and is used to adjust the communication amount between the main flow channel 10a and the outlet 103, that is, to adjust the discharge amount of the coating material at the outlet 103; the first sub-regulating valve 3 is arranged in the first sub-flow channel 10b, and is used to adjust the communication amount between the first inlet 101 and the main flow channel 10a, that is, to adjust the first inlet 101 in the first sub-flow channel. The amount of a coating entering the main channel; the second sub-regulating valve 4 is arranged in the second sub-channel 10c, and is used for adjusting the communication amount between the second inlet 102 and the main channel 10a, that is, for adjusting the amount of the second coating in the second sub-channel entering the main channel; at the same time, the main regulating valve 2, the first sub-regulating valve 3 and the second sub-regulating valve 4 are all provided with regulating knobs, and the adjustment is achieved by turning the regulating knobs. Specifically, the ratio of the first coating and the second coating can be achieved through the first sub-regulating valve and the second sub-regulating valve, and the discharge amount of the total coating can be achieved through the main regulating valve.

[0027] In this embodiment, the main regulating valve, the first auxiliary regulating valve 3 and the second auxiliary regulating valve 4 have the same structure. The structure of the main regulating valve 2 is described below. Figure 4The main regulating valve 2 includes a valve seat 21, which is cylindrical and sleeved in the main flow channel 10a. A sealing ring is provided between the two ends of the valve seat 21 and the inner wall of the main flow channel 10a. A valve hole is penetrated at both ends of the valve seat 21. The front end of the valve hole serves as a discharge end. A valve stem 22 is slidably provided in the valve hole. The valve stem 22 can realize axial sliding. The front end of the valve stem 22 extends out of the valve hole. At the same time, a valve core 221 is provided at the front end of the valve stem. The valve core 221 is truncated cone-shaped, and the rear end face of the valve core forms a sealing surface. Preferably, the sealing surface is an arc-shaped surface; an elastic component is provided in the valve hole. The elastic component makes the valve stem 21 have a tendency to move backward, so that the sealing surface fits the end face of the valve hole. , and thus has a tendency to block, a liquid inlet hole 210 is provided on the side wall of the valve hole, and the liquid inlet hole 210 is used to connect to the main flow channel 10a, thereby realizing liquid inlet; in order to improve the liquid inlet efficiency and effect, in this embodiment, an annular groove is provided on the side wall of the valve seat 21, and a liquid inlet area is formed between the annular groove and the side wall of the main flow channel 10a, and the first secondary flow channel 10b and the second secondary flow channel 10c are connected to the liquid inlet area, and the liquid inlet hole is provided in the annular groove; an adjusting bolt 25 is threadedly connected to the rear end of the valve body 1, and the adjusting bolt 25 is coaxial with the valve stem 22. The adjusting bolt 25 can contact with the end of the valve stem 22, and is used to push the valve stem 22 to slide forward, thereby adjusting the valve core and the outlet end of the valve hole. The degree of opening can be adjusted to adjust the discharge area; in this embodiment, a mounting hole is provided at the rear end of the main channel 10a, which is coaxial with the main channel 10a, and its diameter is larger than the diameter of the main channel to form a stepped hole structure. The rear end of the valve seat 21 extends radially outward to form a cylindrical connecting seat, that is, the valve seat and the connecting seat form an axis with a step, and the connecting seat is located in the mounting hole, and the end of the connecting seat contacts the end face of the mounting hole to achieve axial fixation, and a mounting seat 24 is fixed at the end of the mounting hole by bolts, and the mounting seat is also cylindrical, and a screw hole is penetrated on the mounting seat 24, and the screw hole is coaxial with the valve stem 22, and the adjusting bolt is threadedly connected in the screw hole to form an adjusting knob. , by rotating, it can generate a forward thrust on the valve stem to adjust the opening amount; in order to improve the sealing performance and at the same time, to avoid wear or unevenness caused by direct contact between the adjusting bolt and the end of the valve stem, a circular spring piece 23 is provided between the mounting seat 24 and the connecting seat. The spring piece is arranged between the adjusting bolt and the valve stem, and can produce elastic deformation. It is made of stainless steel, which can improve the smoothness of adjustment and the service life. In this embodiment, the spring piece 23 includes a circular spring piece body, the edge of the spring piece body is tilted forward and bent 10-20 degrees to form a connecting piece, and a plurality of strip grooves are evenly distributed circumferentially on the connecting piece, thereby forming an elastic sheet with elasticity.

[0028] The valve body is arranged on the spray gun as a discharge device for the paint. At the same time, an air duct is provided on the spray gun to bring out the paint by air pressure to achieve spraying. The feed ratio of the two paints can be adjusted by the first auxiliary regulating valve and the second auxiliary regulating valve. The spraying amount of the paint can be achieved by adjusting the main regulating valve, thereby realizing the control of the spraying effect.

[0029] The utility model is used for the spraying device of the box-type vehicle body, adopts double-input and single-output, can realize two-color rapid spraying, and greatly improves the spraying efficiency; a plurality of regulating valves are arranged, and the feeding ratio of two kinds of coatings and the spraying amount of coatings can be adjusted, so as to realize the rapid control of the spraying effect; the regulating valve is convenient and labor-saving, can meet different spraying effects, and has good use effect; the regulating valve is designed and optimized, has a compact structure, low manufacturing cost, high precision, convenient assembly, and convenient adjustment; the utility model is used for the spraying device of the box-type vehicle body, has a compact structure, small size, can realize multi-color spraying, has high spraying efficiency and good effect, and has a wide range of applications.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A spraying device for a van body, characterized in that: include: A valve body, wherein a main flow channel, a first secondary flow channel and a second secondary flow channel are formed in the valve body, wherein the first secondary flow channel and the second secondary flow channel are respectively connected to the main flow channel through pipelines, and a first inlet connected to the first secondary flow channel and a second inlet connected to the second secondary flow channel are opened on the side wall of the valve body, and a front end of the main flow channel penetrates the valve body to form an outlet; A main regulating valve, arranged in the main flow channel, for regulating the communication volume between the main flow channel and the outlet; a first secondary regulating valve, disposed in the first secondary flow channel, for regulating the communication volume between the first inlet and the primary flow channel; a second secondary regulating valve, disposed in the second secondary flow channel, for regulating the communication volume between the second inlet and the primary flow channel; The main regulating valve, the first auxiliary regulating valve and the second auxiliary regulating valve are all provided with regulating knobs.

2. The spraying device for a van body according to claim 1, characterized in that: The main flow channel, the first secondary flow channel and the second secondary flow channel are parallel to each other and located on the same plane.

3. The spraying device for a van body according to claim 2, characterized in that: The first secondary flow channel and the second secondary flow channel are respectively arranged on both sides of the main flow channel.

4. The spraying device for a van body according to claim 1, characterized in that: The main regulating valve includes a valve seat, which is cylindrical and sleeved in the main flow channel. Both ends of the valve seat are penetrated by valve holes. A valve stem is slidably installed in the valve hole. The front end of the valve stem extends to the outside of the valve hole, and a valve core is provided at the front end thereof. A sealing surface is provided on the valve core. An elastic component is provided in the valve hole to make the valve stem have a tendency to move backward and make the sealing surface fit the end face of the valve hole to achieve blocking. A liquid inlet hole is provided on the side wall of the valve hole for connecting with the main flow channel and achieving liquid inlet. The rear end of the valve body is threadedly connected with an adjusting bolt coaxial with the valve stem. The adjusting bolt can contact the end of the valve stem and is used to push it to slide forward.

5. The spraying device for a van body according to claim 4, characterized in that: The side wall of the valve seat is provided with an annular groove, a liquid inlet area is formed between the annular groove and the side wall of the main flow channel, the first secondary flow channel and the second secondary flow channel are connected to the liquid inlet area, and the liquid inlet hole is provided in the annular groove.

6. The spraying device for a van body according to claim 4, characterized in that: The valve core is in a truncated cone shape, and the sealing surface is an arc-shaped surface.

7. The spraying device for a van body according to claim 4, characterized in that: A mounting hole is provided at the rear end of the main channel, and the rear end of the valve seat extends radially outward to form a connecting seat. The connecting seat is located in the mounting hole and realizes axial fixation. A mounting seat is provided at the end of the mounting hole, and a screw hole coaxial with the valve stem is penetrated on the mounting seat, and the adjusting bolt is threadedly connected in the screw hole.

8. The spraying device for a van body according to claim 7, characterized in that: A circular spring piece capable of generating elastic deformation is arranged between the mounting seat and the connecting seat.

9. The spraying device for a van body according to claim 1, characterized in that: The first auxiliary regulating valve, the second auxiliary regulating valve and the main regulating valve have the same structure.

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