Spraying device for hydraulic workpiece

Abstract

The utility model discloses a hydraulic workpiece spraying device which comprises a spraying box, an inlet and an outlet are formed in the left side wall and the right side wall of the spraying box, an overhead track is installed on the top of the inlet and the top of the outlet, a plurality of catenary trolleys are installed below the overhead track, and a plurality of rotating shafts arranged at equal intervals are installed on the catenary trolleys. Hanging rods are hinged to the bottoms of the rotating shafts and used for hanging workpieces, and gears are fixedly mounted at the tops of the rotating shafts; a rack arranged in the horizontal direction is installed on the inner wall of the spraying box and is in meshing transmission with the gear, and a spray head assembly is installed below the rack. The top and the bottom of an inner cavity of the spraying box are each provided with a recycling assembly, and the two recycling assemblies are symmetrically arranged in the vertical direction. According to the spraying device for the hydraulic workpiece, the spraying uniformity of the workpiece can be improved, recycling of paint mist particles is achieved, and the problem that the paint mist particles are prone to being influenced by air flow and drift away along with wind is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of spraying devices for hydraulic workpiece, belong to workpiece spraying technical field. BACKGROUND

[0002] Hydraulic workpiece, usually refers to various elements in hydraulic system, also be called hydraulic piece or hydraulic element. These elements are using fluid mechanics principle, convert liquid pressure energy into mechanical energy or control signal device, widely used in various machinery, industry and construction equipment. Hydraulic workpiece needs to be sprayed with anticorrosive coating on its surface during production.

[0003] In prior art, for hydraulic workpiece, hanging spraying is usually used, which means that the workpiece to be sprayed is hung up by hoisting, and moves along a specific track or path, and is sprayed during the movement. This spraying method can realize automatic and continuous production process, greatly improving coating efficiency and quality. It is found in practice that the hanging spraying still has the following technical problems:

[0004] The workpiece passes through the spraying station in a straight line, and during the spraying process, the outer surface of the workpiece is not uniformly sprayed, the spraying quality is poor, and a large amount of coating is used. During the spraying process, paint mist particles are easily affected by air flow and are blown away by the wind, which not only pollutes the environment of the work site, but also causes waste of coating.

[0005] As can be seen from the above, the prior art has obvious inconvenience and defects in actual use, and therefore needs to be improved. CONTENT OF THE UTILITY MODEL

[0006] The utility model provides a kind of spraying device for hydraulic workpiece according to the deficiencies in the background art, can improve the spraying uniformity of workpiece, realize the recycling of paint mist particles, solve the problem that paint mist particles are easily affected by air flow and appear blown away by the wind.

[0007] To solve the above technical problems, the utility model adopts the following technical solutions:

[0008] The spraying device for hydraulic workpiece comprises a spraying box, an inlet and an outlet are formed on the left and right side walls of the spraying box, an overhead track is installed on the top of the inlet and the outlet, and a plurality of suspension chain trolleys are installed below the overhead track. A plurality of rotating shafts are installed on the suspension chain trolleys at equal intervals, a hanging rod is hingedly connected to the bottom of each rotating shaft, the hanging rod is used for suspending the workpiece, and a gear is fixedly installed on the top of each rotating shaft.

[0009] A rack is installed on the inner wall of the spraying box in the horizontal direction, the rack is in meshing transmission with the gear, and a spray head assembly is installed below the rack.

[0010] The inner cavity top and the inner cavity bottom of the spraying box are respectively provided with a recovery assembly, and the two recovery assemblies are symmetrically arranged along the vertical direction.

[0011] Further, the rotating shaft is connected with the chain block in the vertical direction.

[0012] Further, the spray head assembly is fixed to the inner wall of the spraying box.

[0013] Further, the spray head assembly comprises a plurality of atomizing spray heads, and the spray head assembly is located at the side of the workpiece in the advancing direction.

[0014] Further, the recovery assembly at the top comprises a flow guide plate, a flow guide pipe and an output pipe arranged in sequence from bottom to top.

[0015] Further, the flow guide pipe is arranged in the transverse direction, the flow guide plate is in the inverted V-shaped structure, and the top end of the flow guide plate is connected with the flow guide pipe.

[0016] Further, the output pipe is arranged perpendicularly to the flow guide pipe and is in communication with the inner cavity, and the outside of the output pipe is connected with the negative pressure suction device.

[0017] Further, the outside of the inlet and the outlet is respectively provided with a seal plate which can move in the transverse direction, and the seal plate is connected with the horizontally arranged telescopic cylinder.

[0018] Compared with the prior art, the above technical scheme has the following advantages:

[0019] The chain block moves with the workpiece, and under the meshing action of the gear and the rack, the workpiece rotates while moving in the transverse direction, and when the workpiece passes through the spray head assembly, the spray head assembly realizes uniform spraying of the workpiece.

[0020] After spraying, the paint mist particles and peculiar smell substances in the inner cavity of the spraying box are introduced into the flow guide pipe through the flow guide plate, and finally are discharged from the output pipe for recycling, so that the problem that the paint mist particles are easily affected by air flow and are scattered with the wind is solved.

[0021] The utility model will be described in detail below in combination with the drawings and embodiments. DRAWINGS

[0022] Figure 1 is the structure front view of the utility model;

[0023] Figure 2 is the structure top view of the utility model;

[0024] Figure 3 is the rotating drive schematic view of the workpiece;

[0025] Figure 4 is the structure schematic view of the recovery assembly.

[0026] In the figure, 1 - spraying box, 2 - import, 3 - export, 4 - overhead track, 5 - catenary trolley, 6 - rotating shaft, 7 - hanging rod, 8 - gear, 9 - rack, 10 - spray head assembly, 11 - recycling assembly, 111 - deflector, 112 - flow guide pipe, 113 - output pipe, 12 - sealing plate, 13 - telescopic cylinder, 14 - workpiece. DETAILED DESCRIPTION

[0027] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation mode of the utility model will be described with reference to the drawings.

[0028] As Figures 1-4 The utility model provides a kind of hydraulic workpiece spraying device, including spraying box 1, import 2 and export 3 are set on the left and right side wall of spraying box 1, the top of import 2 and export 3 is equipped with overhead track 4, and multiple catenary trolleys 5 are installed below overhead track 4.

[0029] Multiple rotating shafts 6 are installed on the catenary trolley 5, and the rotating shaft 6 is rotatably connected with the catenary trolley 5 along the vertical direction, and the hanging rod 7 is hingedly connected to the bottom of the rotating shaft 6, and the hanging rod 7 is used for the suspension of workpiece 14, and the gear 8 is fixedly installed on the top of the rotating shaft 6.

[0030] The rack 9 is installed on the inner wall of the spraying box 1 along the horizontal direction, and the rack 9 is engaged with the gear 8. The gear 8 drives the rotating shaft 6, the hanging rod 7 and the workpiece 14 in turn to rotate, so that the workpiece 14 rotates while moving horizontally.

[0031] The spray head assembly 10 is installed below the rack 9, and the spray head assembly 10 is fixedly connected to the inner wall of the spraying box 1, and the spray head assembly 10 includes multiple atomizing nozzles, and the spray head assembly 10 is located on the side of the workpiece 14 in the direction of travel, and the spray head assembly 10 uniformly sprays the workpiece 14.

[0032] The inner cavity top and inner cavity bottom of the spraying box 1 are provided with recycling assembly 11, and the two recycling assemblies 11 are symmetrically arranged along the vertical direction.

[0033] The recycling assembly 11 at the top includes a deflector 111, a flow guide pipe 112 and an output pipe 113 arranged in turn from bottom to top.

[0034] The flow guide pipe 112 is arranged along the horizontal direction, the deflector 111 is inverted V-shaped structure, the top end of the deflector 111 is connected with the flow guide pipe 112, and the deflector 111 can introduce the paint mist particles and odor substances in the inner cavity of the spraying box 1 into the flow guide pipe 112.

[0035] The output pipe 113 is vertically arranged with the flow guide pipe 112, and the inner cavities are connected, and the outside of the output pipe 113 is connected with the negative pressure suction device.

[0036] The inlet 2 and the outlet 3 are both externally provided with a transversely movable sealing plate 12, which is connected with a horizontally arranged telescopic cylinder 13, and the telescopic cylinder 13 drives the sealing plate 12 to move transversely.

[0037] When the catenary trolley 5 and the workpiece 14 enter the inner cavity of the spraying box 1, the inlet 2 and the outlet 3 are closed by the sealing plate 12, so as to avoid the paint mist particles from floating out of the inner cavity of the spraying box 1.

[0038] The specific working principle of the utility model is as follows:

[0039] When the catenary trolley 5 and the workpiece 14 enter the inner cavity of the spraying box 1, the inlet 2 is closed by the sealing plate 12; the catenary trolley 5 and the workpiece 14 continue to move, and under the meshing action of the gear 8 and the rack 9, the workpiece 14 rotates while moving transversely; when the workpiece 14 passes through the nozzle assembly 10, the nozzle assembly 10 uniformly sprays the workpiece 14; after spraying, the paint mist particles and peculiar smell substances in the inner cavity of the spraying box 1 are introduced into the flow guide pipe 112 through the flow guide plate 111, and finally discharged from the output pipe 113 for recycling; the sprayed workpiece 14 is output from the spraying box 1 by the catenary trolley 5 through the outlet 3.

[0040] The above is the example of the best implementation mode of the utility model, wherein the parts not described in detail are the common knowledge of the ordinary skilled in the art. The protection scope of the utility model is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. A hydraulic workpiece spraying device characterized by: The utility model relates to a spraying box, which comprises a spraying box (1), an inlet (2) and an outlet (3) are arranged on the left and right side walls of the spraying box (1), an overhead track (4) is arranged on the top of the inlet (2) and the outlet (3), a plurality of suspension chain trolleys (5) are arranged below the overhead track (4), a plurality of rotating shafts (6) are arranged on the suspension chain trolleys (5) at equal intervals, a hanging rod (7) is hingedly connected to the bottom of each rotating shaft (6), the hanging rod (7) is used for suspending a workpiece (14), and a gear (8) is fixedly arranged on the top of each rotating shaft (6). A rack (9) is arranged on the inner wall of the spraying box (1) in the horizontal direction, the rack (9) is in meshing transmission with the gears (8), a spray head assembly (10) is arranged below the rack (9). The top and bottom of the inner cavity of the spraying box (1) are provided with recovery assemblies (11), and the two recovery assemblies (11) are symmetrically arranged in the vertical direction.

2. The hydraulic workpiece spray painting apparatus as claimed in claim 1, wherein: The rotating shaft (6) is rotatably connected to the suspension chain trolley (5) in the vertical direction.

3. The hydraulic workpiece spray painting apparatus as claimed in claim 1, wherein: The spray head assembly (10) is fixedly connected to the inner wall of the spraying box (1).

4. The hydraulic workpiece spray painting apparatus as claimed in claim 3, wherein: The spray head assembly (10) comprises a plurality of atomizing nozzles, and the spray head assembly (10) is located on the side of the workpiece (14) in the direction of travel.

5. The hydraulic workpiece spray painting apparatus as claimed in claim 1, wherein: The top recovery assembly (11) comprises, from bottom to top, a flow guide plate (111), a flow guide pipe (112) and an output pipe (113).

6. The hydraulic workpiece spray painting apparatus as claimed in claim 5, wherein: The flow guide pipe (112) is arranged in the horizontal direction, the flow guide plate (111) is in the shape of an inverted V, and the top end of the flow guide plate (111) is connected to the flow guide pipe (112).

7. The hydraulic workpiece spray painting apparatus as claimed in claim 6, wherein: The output pipe (113) is arranged perpendicularly to the flow guide pipe (112) and communicates with the inner cavity, and the outside of the output pipe (113) is connected to a negative pressure air suction device.

8. The hydraulic workpiece spray painting apparatus as defined in claim 1, wherein: The inlet (2) and the outlet (3) are each provided with a seal plate (12) that can move in the horizontal direction, and the seal plate (12) is connected to a horizontally arranged telescopic cylinder (13).

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