Expressway guardrail plate plastic spraying system

A closed system with a collection box and vacuum system effectively contains and purifies airborne particles and gases during guardrail spraying, addressing environmental pollution and improving operational safety.

CN223097060UActive Publication Date: 2025-07-15YANGZHOU ALSTER MASCH CO LTD
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Patent Information

Application Number
CN202421801940.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-27
Publication Date
2025-07-15
Estimated Expiration
2034-07-27

AI Technical Summary

Technical Problem

The existing highway guardrail panels are prone to cause powder to fly during the spraying process, pollute the environment, and lack effective anti-corrosion and weather resistance protection.

Method used

A plastic spraying system including a plastic spraying room, a plastic spraying device and an air pump is designed. The plastic spraying room is equipped with a collection box and a gas pump to extract dust and harmful gases through negative pressure, and use activated carbon to purify the exhaust gas. The plastic spraying head is uniformly sprayed through a mobile device.

Benefits of technology

Effectively prevent dust spillage during plastic spraying, reduce environmental pollution, and improve the uniformity and corrosion resistance of spraying.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223097060U_ABST
    Figure CN223097060U_ABST
Patent Text Reader

Abstract

The utility model provides an expressway guardrail plate plastic spraying system which comprises a base and a plastic spraying room, the interior of the plastic spraying room is hollow, the plastic spraying room is fixed at the upper end of the base, a feeding port is formed in the right side of the plastic spraying room, a door curtain is arranged on the feeding port, and a plastic spraying device is arranged in the plastic spraying room; a collecting box is arranged at the upper end of the base, a blanking plate is arranged at the top of the collecting box, a plurality of blanking holes are formed in the blanking plate, a sucking pump is arranged on the outer side edge of the plastic spraying room, a connecting pipe is arranged at the input end of the sucking pump, the connecting pipe is communicated with the interior of the collecting box, and an exhaust pipe is arranged at the output end of the sucking pump. And the plastic spraying room is arranged, the collecting box is arranged at the bottom of the plastic spraying room, and the sucking pump is arranged on the side edge of the plastic spraying room, so that in the plastic spraying process, dust overflow in the plastic spraying process is effectively prevented, and environmental pollution is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of spraying systems, in particular to a spraying system for highway guardrail plates. Background Art

[0002] The main function of highway crash barriers is to control the driving route of drivers, ensure the safe driving of vehicles, reduce the occurrence of accidents, and reduce the loss of accident vehicles and the casualty coefficient of passengers in the vehicle in case of accidents. Most current highway crash barriers include guardrail plates and columns, and the guardrail plates are made of solid metal plates such as steel.

[0003] The existing Chinese patent document CN202211600894.9 discloses a processing device and production process for rare earth weathering steel highway guardrails, including a base. On one side of the top of the base, a blanking mechanism is fixedly arranged. On both sides of the blanking mechanism, weathering steel sheet traction components are fixedly arranged. In the middle of the top of the base, a forming mechanism is fixedly arranged. On the other side of the top of the base, a guardrail plate finished product rack facing the forming mechanism is fixedly arranged. On one side of the connection between the base and the blanking mechanism, a deviation prevention guiding frame is fixedly arranged. On both sides of the top of the deviation prevention guiding frame, limiting grooves are opened. The processing device and production process for rare earth weathering steel highway guardrails of the present invention integrate functions of fixed-distance blanking, limit traction, cold rolling forming, and finished product guiding, enabling the rare earth weathering steel strip to be integrally processed and formed. During the production process, there is no need for staff to transfer and adjust, reducing the labor intensity of staff, saving time and effort, and greatly improving the production efficiency of highway guardrails.

[0004] However, there are certain defects in the use of the above patent. Since the guardrail plates are used outdoors and have high requirements for anti-corrosion and weather resistance, anti-corrosion treatment is required. The device performs electrostatic spraying on them, but there is no protection measure. During electrostatic spraying, powder is likely to fly, resulting in environmental pollution.

[0005] Therefore, a spraying system for highway guardrail plates is proposed here to solve the above problems. Content of the Utility Model

[0006] In order to overcome the deficiencies of the prior art, the utility model provides a spraying system for highway guardrail plates.

[0007] The utility model is realized by adopting the following technical solutions:

[0008] A spraying system for highway guardrail plates includes a base and a spraying chamber. The interior of the spraying chamber is hollow. The spraying chamber is fixed on the upper end of the base. There is a feeding port on the right side of the spraying chamber. A curtain is provided on the feeding port. A spraying device is arranged inside the spraying chamber.

[0009] The powder spraying device includes a powder spraying machine, which is fixed at the top outside the powder spraying room. A powder spraying pipe is provided on the side wall of the powder spraying machine. The powder spraying pipe is a telescopic hose, which extends into the interior of the powder spraying room. A powder spraying head is provided at the top of the powder spraying pipe.

[0010] A collection box is provided at the upper end of the base. A blanking plate is provided on the top of the collection box. A plurality of blanking holes are provided on the blanking plate. An air extraction pump is provided on the side outside the powder spraying room. An input end of the air extraction pump is provided with a connecting pipe, and the connecting pipe is communicated with the interior of the collection box. An exhaust pipe is provided at the output end of the air extraction pump.

[0011] The powder spraying head is arranged on a moving device. The moving device includes a moving motor, which is fixed on the side wall of the powder spraying room. An output end of the moving motor is provided with a threaded rod. A slider is provided on the threaded rod. The powder spraying head is fixed at the lower end of the slider.

[0012] A guide rod is provided on the side of the threaded rod. The guide rod penetrates through the slider, and both ends of the guide rod are fixed on the inner side wall of the powder spraying room.

[0013] A conveying device is provided at the upper end of the blanking plate. The conveying device includes a plurality of rollers and a conveying motor. The rollers are fixed in the powder spraying room, and the rollers are arranged evenly at equal distances. The conveying motor is fixed on the front of the powder spraying room, and an output end of the conveying motor is connected to the end of a single roller.

[0014] A carbon canister is provided on the exhaust pipe. A support frame is provided at the lower end of the carbon canister. The interior of the carbon canister is filled with activated carbon. A rainproof cap is provided at the end of the exhaust pipe.

[0015] An access door is provided on the front of the powder spraying room. A viewing window is provided on the left side wall of the powder spraying room. The viewing window is made of high-strength tempered glass.

[0016] The utility model has the following beneficial effects compared with the prior art:

[0017] 1. By providing a powder spraying room, a collection box is arranged at the bottom of the powder spraying room, and an air extraction pump is arranged on the side of the powder spraying room. During the powder spraying process, the guardrail plate is subjected to powder spraying operation inside the powder spraying room, effectively preventing dust from overflowing during the powder spraying process. And during the powder spraying process, the air extraction pump is started to form a negative pressure inside the powder spraying room, sucking out the dust and harmful gases in the collection box and the powder spraying room, and discharging them through the exhaust pipe. A carbon canister is provided on the exhaust pipe, and the interior is filled with activated carbon to further purify the discharged gas and reduce environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2It is an exploded schematic diagram of the three-dimensional structure of the present utility model;

[0020] Figure 3 It is a front view structure schematic diagram of the present utility model;

[0021] Figure 4 It is an overall three-dimensional structure schematic diagram of the powder spraying device of the present utility model;

[0022] Figure 5 It is a front view structure schematic diagram of the powder spraying device of the present utility model;

[0023] In the figure: 1. Powder spraying room; 11. Maintenance door; 12. Feeding port; 13. Window; 2. Powder spraying machine; 21. Powder spraying pipe; 22. Powder spraying head; 3. Moving device; 31. Moving motor; 32. Threaded rod; 33. Guide rod; 34. Slide block; 4. Conveyor motor; 41. Roller; 5. Exhaust pump; 51. Exhaust pipe; 52. Rainproof cap; 6. Carbon canister; 61. Support frame; 7. Guardrail plate; 8. Drop plate; 9. Collection box; 10. Base. Specific embodiments

[0024] Next, in combination with the accompanying drawings and specific embodiments, the present utility model will be further described. It should be noted that, on the premise of no conflict, the following-described embodiments or technical features can be arbitrarily combined to form new embodiments.

[0025] The present utility model will be further described below with reference to the accompanying drawings.

[0026] As Figures 1 to 5 shown, a powder spraying system for a highway guardrail plate 7 includes a base 10 and a powder spraying room 1. The inside of the powder spraying room 1 is hollow, and the inside of the powder spraying room 1 is spacious, facilitating the movement and powder spraying operation of the guardrail plate 7. The powder spraying room 1 is fixed on the upper end of the base 10. A feeding port 12 is provided on the right side of the powder spraying room 1, and a curtain is provided on the feeding port 12. A curtain is installed on the feeding port 12 to prevent dust from overflowing during the powder spraying process. A powder spraying device is provided inside the powder spraying room 1;

[0027] The powder spraying device includes a powder spraying machine 2. The powder spraying machine 2 is fixed at the top outside the powder spraying room 1. A powder spraying pipe 21 is provided on the side wall of the powder spraying machine 2. The powder spraying pipe 21 is a telescopic hose. The powder spraying pipe 21 extends into the inside of the powder spraying room 1, and a powder spraying head 22 is provided at the top end of the powder spraying pipe 21; The powder spraying material is conveyed into the powder spraying room 1 through the powder spraying pipe 21 on the side wall, and the powder spraying head 22 can evenly spray the plastic powder.

[0028] A collection box 9 is provided at the upper end of the base 10. A blanking plate 8 is provided at the top of the collection box 9, and a plurality of blanking holes are provided on the blanking plate 8. The collection box 9 is used to collect the excess plastic powder during the powder spraying process. An air extraction pump 5 is provided on the outer side of the powder spraying chamber 1. The input end of the air extraction pump 5 is provided with a connecting pipe, and the connecting pipe is communicated with the inside of the collection box 9. The output end of the air extraction pump 5 is provided with an exhaust pipe 51.

[0029] The powder spraying head 22 is arranged on the moving device 3. The moving device 3 includes a moving motor 31, the moving motor 31 is fixed on the side wall of the powder spraying chamber 1, the output end of the moving motor 31 is provided with a threaded rod 32, a slider 34 is arranged on the threaded rod 32, and the powder spraying head 22 is fixed at the lower end of the slider 34;

[0030] A guide rod 33 is arranged on the side of the threaded rod 32. The guide rod 33 penetrates through the slider 34, and both ends of the guide rod 33 are fixed on the inner side wall of the powder spraying chamber 1. The moving motor 31 drives the threaded rod 32 to rotate, driving the slider 34 to move left and right along the threaded rod 32. At the same time, the guide rod 33 ensures the stable movement of the slider 34. In this way, the powder spraying head 22 can move left and right to perform comprehensive powder spraying on the guardrail plate 7. The setting of the guide rod 33 ensures the stability of the slider 34 during the movement process and prevents it from shifting or shaking.

[0031] A conveying device is provided at the upper end of the blanking plate 8. The conveying device includes a plurality of rollers 41 and a conveying motor 4. The rollers 41 are fixed in the powder spraying chamber 1, and the rollers 41 are arranged evenly and equidistantly. The conveying motor 4 is fixed on the front of the powder spraying chamber 1, and the output end of the conveying motor 4 is connected to the end of a single roller 41. The conveying motor 4 drives one of the rollers 41 to rotate, driving the guardrail plate 7 to move forward, eliminating the need for manual movement by workers and improving work efficiency.

[0032] A carbon canister 6 is provided on the exhaust pipe 51. A support frame 61 is provided at the lower end of the carbon canister 6. The inside of the carbon canister 6 is filled with activated carbon. A rainproof cap 52 is provided at the end of the exhaust pipe 51. The activated carbon in the carbon canister 6 adsorbs and purifies the exhaust gas to remove harmful substances therein.

[0033] An access door 11 is provided on the front of the powder spraying chamber 1. A viewing window 13 is provided on the left side wall of the powder spraying chamber 1. The viewing window 13 is made of high-strength tempered glass. The designs of the access door 11 and the viewing window 13 facilitate daily maintenance and process monitoring.

[0034] The working principle of the present utility model is as follows: During use, the guardrail plate 7 is placed on the conveying device. The guardrail plate 7 enters the powder spraying chamber 1 through the feed opening 12, and the curtain automatically closes to prevent dust from overflowing. The conveying motor 4 is started to drive the roller 41 to rotate, driving the guardrail plate 7 to slowly move forward to the powder spraying area;

[0035] At this time, the powder spraying machine 2 is started, and the plastic powder is conveyed to the powder spraying head 22 through the powder spraying pipe 21. The powder spraying head 22 starts to move left and right under the control of the moving device 3 to spray the guardrail plate 7 comprehensively and evenly. During the powder spraying process, the excess plastic powder falls into the collection box 9 through the material dropping holes on the material dropping plate 8. At the same time, the air extraction pump 5 is started to form a negative pressure environment at the bottom of the powder spraying room 1, and the dust floating in the air, the dust and harmful gases inside the collection box 9 are extracted through the connecting pipe and discharged through the exhaust pipe 51;

[0036] After the powder spraying is completed, the conveying motor 4 rotates reversely, and the guardrail plate 7 leaves the powder spraying room 1 through the feed inlet 12 and enters the next process.

[0037] The above-mentioned embodiments are only the preferred embodiments of the present invention, and the scope of protection of the present invention cannot be limited by this. Any non-substantial changes and substitutions made by those skilled in the art on the basis of the present invention belong to the scope of protection required by the present invention.

Claims

1. A highway guardrail plate plastic spraying system, comprising a base (10) and a plastic spraying chamber (1). The interior of the plastic spraying chamber (1) is hollow, and the plastic spraying chamber (1) is fixed to the upper end of the base (10). It is characterized in that: The right side of the powder spraying booth (1) is provided with a feeding port (12), and a curtain is arranged on the feeding port (12). A powder spraying device is arranged inside the powder spraying booth (1). The powder spraying device includes a powder spraying machine (2). The powder spraying machine (2) is fixed at the top outside the powder spraying booth (1). A powder spraying pipe (21) is arranged on the side wall of the powder spraying machine (2). The powder spraying pipe (21) is a telescopic flexible pipe. The powder spraying pipe (21) extends into the powder spraying booth (1) internally, and a powder spraying head (22) is arranged at the top of the powder spraying pipe (21). A collection box (9) is arranged at the upper end of the base (10). A blanking plate (8) is arranged on the top of the collection box (9). A plurality of blanking holes are arranged on the blanking plate (8). An air extraction pump (5) is arranged on the outer side of the powder spraying booth (1). An input end of the air extraction pump (5) is provided with a connecting pipe, and the connecting pipe is communicated with the inside of the collection box (9). An exhaust pipe (51) is arranged at the output end of the air extraction pump (5).

2. The spray painting system for highway guardrail plates according to claim 1, wherein: The powder spraying head (22) is arranged on a moving device (3). The moving device (3) includes a moving motor (31). The moving motor (31) is fixed on the side wall of the powder spraying booth (1). An output end of the moving motor (31) is provided with a threaded rod (32). A slider (34) is arranged on the threaded rod (32). The powder spraying head (22) is fixed at the lower end of the slider (34). A guide rod (33) is arranged on the side of the threaded rod (32). The guide rod (33) penetrates through the slider (34), and both ends of the guide rod (33) are fixed on the inner side wall of the powder spraying booth (1).

3. The plastic spraying system for highway guardrail plates according to claim 2, wherein: A conveying device is arranged at the upper end of the blanking plate (8). The conveying device includes a plurality of rollers (41) and a conveying motor (4). The rollers (41) are fixed inside the powder spraying booth (1), and the rollers (41) are arranged evenly at equal intervals. The conveying motor (4) is fixed on the front of the powder spraying booth (1), and an output end of the conveying motor (4) is connected to an end of a single roller (41).

4. The plastic spraying system for highway guardrail plates according to claim 3, characterized in that: A carbon canister (6) is arranged on the exhaust pipe (51). A support frame (61) is arranged at the lower end of the carbon canister (6). The inside of the carbon canister (6) is filled with activated carbon, and a rainproof cap (52) is arranged at the end of the exhaust pipe (51).

5. The plastic spraying system for highway guardrail plates according to claim 4, characterized in that: An inspection door (11) is arranged on the front of the powder spraying booth (1). A viewing window (13) is arranged on the left side wall of the powder spraying booth (1), and the viewing window (13) is made of high-strength tempered glass.