Efficient-spraying plastic spraying device for bridge processing and plastic spraying method of efficient-spraying plastic spraying device

Abstract

The invention relates to the technical field of cable tray plastic spraying equipment, in particular to a cable tray processing plastic spraying device with efficient plastic spraying and a plastic spraying method thereof.The cable tray processing plastic spraying device comprises a conveying device, a plastic spraying device body and a filtering and collecting device, and the plastic spraying device body and the filtering and collecting device are arranged on the conveying device; the filtering and collecting device is arranged under the plastic spraying device at the bottom of the conveying device, the filtering and collecting device can filter the plastic spraying materials containing impurities after the plastic spraying device is used, and the plastic spraying device and the filtering and collecting device have the dust suppression effect, so that the working environment is cleaner; through cooperation of the conveying device, the plastic spraying device and the filtering and collecting device, sprayed plastic can be recycled, the production cost is greatly reduced, and the plastic spraying device is more energy-saving and environment-friendly and has high practical value.

Description

Technical field:

[0001] The invention relates to the technical field of bridge frame plastic spraying equipment, and in particular to a plastic spraying device and a plastic spraying method for bridge frame processing with high plastic spraying efficiency. Background technology:

[0002] Plastic spraying is a surface treatment method that sprays plastic powder on parts. Plastic spraying is also known as electrostatic powder spraying, and its processing technology is a common metal surface treatment decoration technology used internationally since the late 1980s.

[0003] Plastic spraying cable tray is a surface treatment method in which plastic powder is sprayed on the cable tray. It does not require thinners, and the construction is pollution-free to the environment and non-toxic to the human body. The coating has excellent appearance quality, high adhesion and mechanical strength, short curing time for spraying construction, and much higher corrosion and wear resistance. It does not require primer, is simple to construct, has low technical requirements for workers, and has a lower cost than the painting process.

[0004] In the existing bridge frame plastic spraying device, certain dust particles cannot be adsorbed onto the workpiece during the spraying process, thereby causing waste of plastic powder. Summary of the invention:

[0005] The purpose of the present invention is to provide an efficient plastic spraying device for bridge frame processing in view of the defects of the prior art, so as to solve the problem that certain dust particles in the existing bridge frame plastic spraying device cannot be adsorbed onto the workpiece during the spraying process, thereby causing waste of plastic powder.

[0006] In order to achieve the above object, the present invention adopts the following scheme:

[0007] A plastic spraying device for bridge frame processing with high efficiency of plastic spraying, comprising a conveying device and a plastic spraying device and a filtering and collecting device arranged on the conveying device, wherein a plurality of supporting columns are evenly arranged at the bottom of the conveying device, a first fixing plate is symmetrically arranged at the front and rear sides of the conveying device, the conveying device comprises a group of first baffles, a plurality of conveying rollers distributed at equal distances are arranged between the first baffles, the conveying rollers are rotatably connected with the first baffles, a motor is arranged on one of the first baffles, and the motor is connected with the conveying rollers;

[0008] The spraying device is detachably connected to the middle of the conveying device, and the spraying device includes a group of second baffles, which are symmetrically arranged on both sides of the middle of the first baffle, and second fixed plates are symmetrically arranged on the front and rear sides of the second baffle, and a plurality of spraying tubes arranged longitudinally at equal distances are arranged between the second baffles, and both ends of the spraying tubes are fixedly connected to the inner side of the second fixed plate, and the spraying tubes are connected through connecting tubes, and a plurality of spraying nozzles are distributed at equal distances on the spraying tubes, and a top plate is fixedly connected to the top of the second baffle, and a spraying box is arranged on the top plate, and a feeding pipe is arranged on the top of the spraying box, and a conveying pipe is arranged at the bottom of the spraying box, one end of the conveying pipe is inserted into the spraying box, and the other end of the conveying pipe passes through the top plate and is connected to the connecting pipe, and a spraying pump is arranged on the conveying pipe;

[0009] The filtering and collecting device is arranged at the bottom of the conveying device and is directly below the plastic spraying device. The filtering and collecting device includes a group of third baffles, and a symmetrically arranged third fixing plate is arranged between the third baffles. A fixing groove for plugging the first filter plate and the second filter plate is opened on the inner end surface of the third baffle. A feed pipe is arranged on the outer side of the third baffle, and the other end of the feed pipe is plugged into the plastic spraying box, and an air pump is installed on the feed pipe.

[0010] As a preferred technical solution of the present invention, a bottom plate is provided at the bottom of the conveying roller, and the bottom plate is in a V-shaped structure with the middle of the bottom plate as the center and both sides of the bottom plate folded upward, and the bottom of the first baffle is matched with it.

[0011] Through the above technical solution, the design of the V-shaped bottom plate can make the spray plastic mixed with impurities fall onto the first filter plate through the through grooves on the bottom plate.

[0012] As a preferred technical solution of the present invention, the bottom plate is provided with a through groove directly above the first filter plate.

[0013] As a preferred technical solution of the present invention, the plastic spray box is fixedly connected to the top plate through a plurality of evenly distributed columns at the bottom.

[0014] Through the above technical solution, the plastic spraying box can be supported by the setting of the columns.

[0015] As a preferred technical solution of the present invention, a group of symmetrically arranged connecting plates are provided on the top of one of the third baffles, and the connecting plates are hingedly connected to the third baffle.

[0016] Through the above technical solution, the connection plate and the third baffle are hingedly connected, so that it is convenient for the staff to take out the first filter plate and the second filter plate.

[0017] As a preferred technical solution of the present invention, a heating device is provided at the end of the conveying device, and a plurality of heating tubes distributed at equal distances are provided in the heating device.

[0018] Through the above technical solution, the setting of the heating tube is utilized so that the plastic powder coating on the surface of the cable tray can be heat-insulated and cured.

[0019] As a preferred technical solution of the present invention, a magnetic filter screen is provided on the first filter plate.

[0020] Through the above technical solution, the rust in the spray plastic mixed with impurities can be adsorbed by using the magnetic filter.

[0021] As a preferred technical solution of the present invention, the first filter plate has the same structure as the second filter plate.

[0022] Through the above technical solution, the first filter plate and the second filter plate are arranged with the same structure, so that it is convenient for the staff to install or repair and replace them later.

[0023] The present invention also provides a method for spraying plastics using a spraying device with high efficiency for bridge frame processing, comprising the following steps:

[0024] S1. First, place the cable tray on the conveying device, start the motor to drive the conveying roller to send the cable tray into the plastic spraying device;

[0025] S2, then start the plastic spraying pump to drive the plastic spraying in the plastic spraying box to be transported to each plastic spraying tube, and spray the plastic spraying nozzle on the plastic spraying tube to spray the surface of the cable tray;

[0026] S3, the V-shaped bottom plate on the conveying device allows the spray plastic mixed with impurities to fall onto the first filter plate through the through groove, so that the rust in the spray plastic mixed with impurities can be adsorbed, and the adsorbed spray plastic is then filtered on the second filter plate;

[0027] S4, finally, the spray plastic after filtering is dropped into the filtering and collecting device, and the spray plastic after filtering is sent to the spray plastic box for reuse through the feeding pipe;

[0028] S5. After the plastic spraying is completed, the cable tray is sent to the heating device through the conveying device, and the heating device is used to heat-insulate and solidify the plastic powder coating on the surface of the cable tray.

[0029] The beneficial effects of the present invention are:

[0030] 1. The present invention can process the plastic spraying device in a closed environment through the design of the second fixed plate, thereby preventing dust. The design of the first fixed plates at both ends of the conveying device can prevent the plastic spraying from flying around during processing, making the processing environment safer and cleaner.

[0031] 2. The present invention can adsorb rust in the used spray plastic through the design of the magnetic filter on the first filter plate, and the spray plastic after adsorption is filtered by the second filter plate. The spray plastic filtered by the filtering and collecting device is transported to the spray plastic box through the feeding pipe for reuse, which reduces the production cost and is more environmentally friendly.

[0032] 3. The present invention is designed with a heating device so that after the plastic spraying is completed, the cable tray can be sent to the heating device through the conveying device, and the heating device can be used to heat and solidify the plastic powder coating on the surface of the cable tray to make it melt, level and solidify, and form a hard coating film on the surface of the cable tray. There is no need for separate curing, thereby improving work efficiency. Description of the drawings:

[0033] Figure 1 It is a structural schematic diagram of the present invention;

[0034] Figure 2 It is a schematic structural diagram of the conveying device of the present invention;

[0035] Figure 3 It is a structural schematic diagram of the plastic spraying device of the present invention;

[0036] Figure 4 It is a structural schematic diagram of the filtering and collecting device of the present invention;

[0037] Figure 5 It is a structural schematic diagram of the heating device of the present invention;

[0038] In the figure: 1. conveying device; 101. first baffle plate; 102. first fixed plate; 103. conveying roller; 104. motor; 105. bottom plate; 106. through groove; 107. support column; 2. plastic spraying device; 201. feeding pipe; 202. plastic spraying box; 203. conveying pipeline; 204. column; 205. plastic spraying pump; 206. top plate; 207. connecting pipe; 208. plastic spraying pipe; 209. plastic spraying nozzle; 210. second fixed plate; 211 second baffle plate; 3. filtering and collecting device; 301. third fixed plate; 302. third baffle plate; 303. connecting plate; 304. first filter plate; 305. second filter plate; 306. fixed groove; 4. heating device; 401. heating pipe; 5. feeding pipe; 6. air pump. Specific implementation method:

[0039] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0040] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0041] Example

[0042] The present invention provides a spraying device for high-efficiency bridge processing, referring to Figure 1-5 As shown, it includes a conveying device 1 and a plastic spraying device 2 and a filtering and collecting device 3 arranged on the conveying device 1. A plurality of support columns 107 are evenly arranged at the bottom of the conveying device 1. First fixing plates 102 are symmetrically arranged on the front and rear sides of the conveying device 1. Through the design of the first fixing plates 102, the plastic spraying will not splash around in the conveying device 1, so as to ensure the cleanliness of the working environment. The conveying device 1 includes a group of first baffles 101, and a plurality of conveying rollers 103 distributed at equal distances are arranged between the first baffles 101. The conveying rollers 103 are rotatably connected with the first baffles 101. A motor 104 is arranged on one of the first baffles 101, and the motor 104 is connected to the conveying roller 103 through a pulley group.

[0043] In order to allow the used spray plastic to slide more smoothly into the filtering and collecting device 3, a bottom plate 105 is provided at the bottom of the conveying roller 103. The bottom plate 105 is in a V-shaped structure with the middle of the bottom plate 105 as the center and both sides of the bottom plate 105 folded upward, and the bottom of the first baffle 101 is matched with it. The bottom plate 105 is located directly above the first filter plate 304 and has a through groove 106, which is a rectangular groove.

[0044] like Figure 3The spraying device 2 shown in the figure is detachably connected to the middle of the conveying device 1, and the spraying device 2 includes a group of second baffles 211, the second baffles 211 are rectangular, and the second baffles 211 are symmetrically arranged on both sides of the middle of the first baffle 101. The second fixing plates 210 are symmetrically arranged on the front and rear sides of the second baffle 211. Through the design of the second fixing plates 210, the spraying device can be processed in a closed environment, thereby playing a role in avoiding dust. A number of spraying tubes 208 arranged longitudinally at equal distances are arranged between the second baffles 211, and both ends of the spraying tubes 208 are fixedly connected to the inner side of the second fixing plates 210. The spraying tubes 208 are connected by The connecting pipe 207 is connected, and a plurality of spray nozzles 209 are evenly distributed on the spray pipe 208. The top of the second baffle 211 is fixedly connected to a top plate 206, and the top plate 206 is rectangular. A spray box 202 is arranged on the top plate 206, and the spray box 202 is fixedly connected to the top plate 206 through a plurality of evenly distributed columns 204 at the bottom. A feeding pipe 201 is arranged on the top of the spray box 202, and a conveying pipe 203 is arranged at the bottom of the spray box 202. One end of the conveying pipe 203 is inserted into the spray box 202, and the other end of the conveying pipe 203 passes through the top plate 206 and is connected to the connecting pipe 207. At the same time, a spray pump 205 is arranged on the conveying pipe 203.

[0045] like Figure 4 The filtering and collecting device 3 shown is arranged at the bottom of the conveying device 1 and directly below the spraying device 2. The filtering and collecting device 3 includes a group of third baffles 302. The third baffles 302 are rectangular. A symmetrically arranged third fixing plate 301 is arranged between the third baffles 302. A fixing groove 306 for plugging the first filter plate 304 and the second filter plate 305 is opened on the inner end surface of the third baffle 302. A feed pipe 5 is arranged on the outer side of the third baffle 302. The other end of the feed pipe 5 is plugged into the spraying box 202, and an air pump 6 is installed on the feed pipe 5. A magnetic filter net is provided on the first filter plate 304. Through the design of the magnetic filter net on the first filter plate 304, rust in the sprayed plastic mixed with impurities can be adsorbed. The sprayed plastic after adsorption is filtered by the second filter plate 305. The sprayed plastic after filtration is transported to the spraying box 202 through the feed pipe 5 for reuse. The sprayed plastic can be reused through the filtering system, which reduces the production cost and is more environmentally friendly.

[0046] In order to facilitate the staff to clean the rust and impurities on the first filter plate 304 and the second filter plate 305, the connecting plate 303 can prevent the sprayed plastic from splashing onto the ground during the falling process and can avoid secondary dust.

[0047] like Figure 5The heating device 4 shown is provided at the end of the conveying device 1, and a plurality of equidistantly distributed heating tubes 401 are provided in the heating device 4. The present invention is designed with the heating device 4, so that after the plastic spraying is completed, the cable tray can be sent to the heating device 4 through the conveying device 1, and the plastic powder coating on the surface of the cable tray is heat-insulated and cured by the heating device 4, so that it is melted, leveled, and solidified, and a hard coating film is formed on the surface of the cable tray, and no separate curing is required, thereby greatly improving the work efficiency.

[0048] The working principle of a highly efficient spraying device for bridge processing according to an embodiment of the present invention is as follows:

[0049] When using the spraying device for the efficient bridge processing, the cable bridge is placed on the conveying device 1, the motor 104 is started to drive the conveying roller 103 to send the cable bridge into the spraying device 2, the spraying pump 205 is started to drive the spraying plastic in the spraying box 202 to be transported to each spraying tube 208, and the spraying plastic is sprayed out through the spraying nozzle 209 on the spraying tube 208 to spray the surface of the cable bridge. The design of the V-shaped bottom plate 105 on the conveying device 1 can make the spraying plastic mixed with impurities pass through the through groove 106 on the bottom plate 105 and fall onto the first filter plate 304. The design of the magnetic filter on the first filter plate 304 can remove rust in the spraying plastic mixed with impurities. The spray plastic is adsorbed and then filtered by the second filter plate 305. The filtered spray plastic falls into the filter collection device 3. The filtered spray plastic is sent to the spray box 202 for reuse through the feed pipe 5. After the spraying is completed, the cable tray is sent to the heating device 4 through the conveying device 1. The heating device 4 is used to insulate and solidify the plastic powder coating on the surface of the cable tray to melt, level and solidify it, and form a hard coating film on the surface of the cable tray. There is no need for separate curing, thereby greatly improving work efficiency. The present invention can recycle the spray plastic, greatly reducing production costs, and is more energy-saving and environmentally friendly, with high practical value.

[0050] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0051] The above-mentioned embodiments only express several implementation methods of the present invention, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the invention patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A highly efficient spraying device for bridge processing, comprising a conveying device (1), a spraying device (2) and a filtering and collecting device (3) arranged on the conveying device (1), characterized in that: A plurality of support columns (107) are evenly arranged at the bottom of the conveying device (1), and first fixing plates (102) are symmetrically arranged on both sides of the conveying device (1) at the front and rear. The conveying device (1) comprises a group of first baffles (101), and a plurality of conveying rollers (103) are arranged between the first baffles (101) and are equidistantly distributed. The conveying rollers (103) are rotatably connected to the first baffles (101), and a motor (104) is arranged on one of the first baffles (101), and the motor (104) is connected to the conveying rollers (103); The plastic spraying device (2) is detachably connected to the middle of the conveying device (1), and the plastic spraying device (2) comprises a group of second baffles (211), the second baffles (211) are symmetrically arranged on both sides of the middle of the first baffle (101), and second fixing plates (210) are symmetrically arranged on both sides of the second baffle (211), and a plurality of plastic spraying tubes (208) arranged longitudinally at equal distances are arranged between the second baffles (211), both ends of the plastic spraying tubes (208) are fixedly connected to the inner side of the second fixing plates (210), and the plastic spraying tubes (208) are connected to each other through connecting tubes (207), and the plastic spraying tubes (208) are connected to each other through connecting tubes (207). 08) are provided with a plurality of spray nozzles (209) at equal distances, a top plate (206) is fixedly connected to the top of the second baffle (211), a spray box (202) is provided on the top plate (206), a feeding pipe (201) is provided on the top of the spray box (202), a delivery pipe (203) is provided at the bottom of the spray box (202), one end of the delivery pipe (203) is plugged into the spray box (202), the other end of the delivery pipe (203) passes through the top plate (206) and is connected to the connecting pipe (207), and a spray pump (205) is provided on the delivery pipe (203); The filtering and collecting device (3) is arranged at the bottom of the conveying device (1) and directly below the plastic spraying device (2). The filtering and collecting device (3) comprises a group of third baffles (302). A third fixing plate (301) is symmetrically arranged between the third baffles (302). A fixing groove (306) capable of plugging the first filter plate (304) and the second filter plate (305) is provided on the inner end surface of the third baffle (302). A feed pipe (5) is provided on the outer side of the third baffle (302). The other end of the feed pipe (5) is plugged into the plastic spraying box (202), and an air pump (6) is installed on the feed pipe (5).

2. The highly efficient spraying device for bridge processing according to claim 1 is characterized in that: A bottom plate (105) is provided at the bottom of the conveying roller (103), and the bottom plate (105) is in a V-shaped structure with the middle of the bottom plate (105) as the center and both sides of the bottom plate (105) folded upwards, and the bottom of the first baffle (101) fits with it.

3. The highly efficient spraying device for bridge processing according to claim 2 is characterized in that: The bottom plate (105) is provided with a through slot (106) located directly above the first filter plate (304).

4. The highly efficient spraying device for bridge processing according to claim 1 is characterized in that: The spray box (202) is fixedly connected to the top plate (206) via a plurality of evenly distributed upright posts (204) at the bottom.

5. The highly efficient spraying device for bridge processing according to claim 1 is characterized in that: A group of symmetrically arranged connecting plates (303) are provided on the top of one of the third baffles (302), and the connecting plates (303) are hingedly connected to the third baffle (302).

6. The highly efficient spraying device for bridge processing according to claim 1 is characterized in that: A heating device (4) is provided at the end of the conveying device (1), and a plurality of heating tubes (401) distributed at equal distances are provided in the heating device (4).

7. The highly efficient spraying device for bridge processing according to claim 1 is characterized in that: The first filter plate (304) is provided with a magnetic filter screen.

8. The highly efficient spraying device for bridge processing according to claim 1 is characterized in that: The first filter plate (304) and the second filter plate (305) have the same structure.

9. A method for spraying plastics according to any one of claims 1 to 8, characterized in that: The steps include: S1, firstly, place the cable tray on the conveying device (1), start the motor (104) to drive the conveying roller (103) to convey the cable tray into the plastic spraying device (2); S2, then starting the plastic spraying pump (205) to drive the plastic spraying plastic in the plastic spraying box (202) to be transported to each plastic spraying tube (208), and spraying the plastic spraying plastic through the plastic spraying nozzle (209) on the plastic spraying tube (208) to perform plastic spraying processing on the surface of the cable tray; S3, the V-shaped bottom plate (105) on the conveying device (1) allows the spray plastic mixed with impurities to fall onto the first filter plate (304) through the through groove (106), so that the rust in the spray plastic mixed with impurities can be adsorbed, and the adsorbed spray plastic is then filtered by the second filter plate (305); S4, finally the spray plastic after filtering is dropped into the filtering and collecting device (3), and the spray plastic after filtering is sent to the spray plastic box (202) for reuse through the feeding pipe (5); S5. After the plastic spraying is completed, the cable tray is sent to the heating device (4) through the conveying device (1), and the plastic powder coating on the surface of the cable tray is heat-insulated and cured by the heating device (4).

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