Spraying equipment for PU (polyurethane) foam sheets of ceiling
By designing a roof PU foam spraying device and using a booster pump and flow monitoring unit, efficient and uniform spraying of roof PU foam has been achieved, solving the problems of time-consuming and labor-intensive manual spraying and uneven water spraying, and significantly reducing the scrap rate.
Patent Information
- Application Number
- CN202423242314.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-27
AI Technical Summary
In the current process of spraying adhesive on PU foam sheets for automotive roofs, manual spraying is time-consuming and labor-intensive, and the amount of water sprayed is uneven, resulting in adhesive penetration or weak adhesion, and a high product scrap rate.
Design a roof PU foam sheet spraying device, which uses a booster water pump and a pneumatic ball valve to control the water flow, combined with a flow monitoring unit and multiple nozzles to achieve uniform spraying. The nozzle water pressure can reach 10 bar, and the spraying time is shortened from 15 seconds to 10 seconds.
It significantly reduced manpower and time consumption, improved spray uniformity, reduced product scrap rate from 1.5% to 0.3%, and improved production efficiency and product quality.
Smart Images
Figure CN223747824U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the production technical field of automobile roof, especially relates to a roof PU bubble piece spraying equipment. BACKGROUND
[0002] The automobile roof is a large area covering part in the automobile cabin, which is installed on the top of the car and is both a decorative part and a functional part. The automobile roof can improve the decoration of the car, highlight the color and texture of the car interior, improve the heat insulation and thermal insulation effect with the outside, reduce the temperature and noise in the car, improve the sound absorption effect, and provide a comfortable riding environment for passengers.
[0003] In the production process of the automobile roof, the glue on the PU bubble piece needs to be activated by water, and currently manual spraying is adopted.
[0004] However, the existing manual spraying is time-consuming and laborious, and uneven water spraying may occur, which may cause glue penetration in areas with too much water and poor adhesion in areas with too little water, resulting in product scrap. UTILITY MODEL CONTENT
[0005] The utility model aims to provide a roof PU bubble piece spraying equipment, which aims to solve the technical problem of the existing manual spraying being time-consuming and laborious, uneven water spraying, glue penetration in areas with too much water, poor adhesion in areas with too little water, and product scrap.
[0006] To achieve the above-mentioned purpose, the utility model adopts a roof PU bubble piece spraying equipment, which comprises a rack, a water storage tank, a booster pump, two pneumatic ball valves, a plurality of spray heads, a drainage plate, two drainage grooves, a plurality of supporting rods, a wastewater tank, a water tank, two flow dividing blocks and a flow monitoring unit. The drainage plate and the two drainage grooves are fixedly arranged in the rack. Each drainage groove has water outlets at both ends. The plurality of supporting rods are fixedly connected with the rack and located below the drainage plate. The water tank is fixedly connected with the rack and located below the plurality of supporting rods. The wastewater tank is located at the bottom of the rack. The water storage tank and the booster pump are fixedly arranged above the rack. The water outlet of the water storage tank is connected with the pipeline of the booster pump. The two pneumatic ball valves are fixedly arranged below the rack. The two flow dividing blocks are fixedly arranged at the bottom of the rack. The two ends of each pneumatic ball valve are respectively connected with the pipeline of the booster pump and the corresponding flow dividing block. The plurality of spray heads are uniformly arranged above and below in the rack. The flow monitoring unit is connected with the plurality of spray heads. The flow monitoring unit is also connected with the pipeline of the two flow dividing blocks.
[0007] The flow monitoring unit comprises a fixed plate and a plurality of glass rotor flowmeters, the fixed plate is fixedly connected with the rack and located at the bottom outer side of the rack, and the plurality of glass rotor flowmeters are fixedly arranged on the fixed plate.
[0008] The top canopy PU bubble sheet spraying device further comprises a plurality of glass windows, and the plurality of glass windows are fixedly connected with the rack and located at the outer side of the rack.
[0009] The top canopy PU bubble sheet spraying device further comprises a first baffle and a second baffle, and the first baffle and the second baffle are fixedly connected with the rack and located at the outer side of the diversion plate.
[0010] The top canopy PU bubble sheet spraying device further comprises a plurality of moving wheels, and the plurality of moving wheels are connected with the wastewater tank and located below the wastewater tank.
[0011] The top canopy PU bubble sheet spraying device comprises a rack, a water storage tank, a booster water pump, a plurality of spray heads, a flow monitoring unit, a plurality of diversion blocks, a plurality of water troughs, a plurality of drainage plates, a plurality of drainage grooves and a wastewater tank. BRIEF DESCRIPTION OF DRAWINGS
[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0013] Figure 1 is a structural schematic diagram of the top PU bubble sheet spraying equipment of the present application.
[0014] Figure 2 is a structural front view of the top PU bubble sheet spraying equipment of the present application.
[0015] Figure 3 is a structural side view of the top PU bubble sheet spraying equipment of the present application.
[0016] Figure 4 is a partial structural schematic diagram of the top PU bubble sheet spraying equipment of the present application.
[0017] Figure 5 is another angle of the partial structural schematic diagram of the top PU bubble sheet spraying equipment of the present application.
[0018] Figure 6 is a structural front view of the top PU bubble sheet spraying equipment of the present application.
[0019] 101-frame, 102-water storage tank, 103-boosting water pump, 104-pneumatic ball valve, 105-sprinkler, 106-drainage plate, 107-drainage groove, 108-supporting rod, 109-waste water tank, 110-water outlet hole, 111-fixing plate, 112-glass rotor flowmeter, 113-glass window, 114-first baffle, 115-second baffle, 116-moving wheel, 117-shunt block, 118-water tank. DETAILED DESCRIPTION
[0020] The embodiments of the present application will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.
[0021] Please refer to Figures 1-6The utility model provides a kind of top PU bubble piece spraying equipment, including rack 101, water storage tank 102, booster water pump 103, two pneumatic ball valves 104, multiple spray heads 105, drainage plate 106, two drainage grooves 107, multiple supporting rods 108, wastewater tank 109, water tank 118, two shunt blocks 117 and flow monitoring unit, the drainage plate 106 and two the drainage groove 107 are fixedly arranged in the rack 101, the two ends of each drainage groove 107 are provided with water outlet hole 110, multiple supporting rods 108 are fixedly connected with the rack 101, and are located below the drainage plate 106, the water tank 118 is fixedly connected with the rack 101, and is located below multiple supporting rods 108, the wastewater tank 109 is located at the bottom of the rack 101, the water storage tank 102 and the booster water pump 103 are fixedly arranged above the rack 101, the water outlet of the water storage tank 102 is connected with the booster water pump 103 pipeline, two the pneumatic ball valve 104 is fixedly arranged below the rack 101, two the shunt block 117 is fixedly arranged at the bottom of the rack 101, the two ends of each the pneumatic ball valve 104 are respectively connected with the booster water pump 103 and corresponding the shunt block 117 pipeline, multiple the spray head 105 is evenly arranged in the rack 101, the flow monitoring unit is connected with multiple the spray head 105 respectively, the flow monitoring unit is also respectively connected with two the shunt block 117 pipeline.
[0022] In the embodiment, the rack 101 is provided with a water storage tank 102 and a booster water pump 103. The booster water pump 103 is used to increase water pressure so as to atomize water. The maximum water pressure can reach 10 bar. The rack 101 is provided with 8 spray heads 105 on the top and bottom, and a total of 16 spray heads 105. The spray heads 105 are used to spray water onto the upper and lower surfaces of the bubble sheet. The rack 101 is provided with a flow monitoring unit. The flow monitoring unit is connected with the 16 spray heads 105 respectively. The pipeline from the flow distribution block 117 is connected with the flow monitoring unit. Each flow distribution block 117 corresponds to 8 spray heads 105 on the top and bottom. The flow monitoring unit is used to display the water flow of each spray head 105. The sprayed bubble sheet enters the rack 101. A plurality of supporting rods 108 are located below the bubble sheet and support the bubble sheet. When the infrared probe detects that the bubble sheet enters the spraying device, the pneumatic ball valve 104 for controlling the water spraying of the spray heads 105 on the top and bottom is opened. The booster water pump 103 is started. The water in the water storage tank 102 passes through the booster water pump 103 and is divided into two water flows by the two pneumatic ball valves 104. The water flows pass through the flow distribution block 117 and are divided into eight water flows on the top and bottom. The water flows enter the flow monitoring unit and are atomized and sprayed from the 8 spray heads 105 on the top and bottom. The water flows are uniformly sprayed onto the upper and lower surfaces of the bubble sheet. The excess water flows into the water tank 118. The water droplets formed by the water mist enter the water tank 118 through the drainage plate 106 and the drainage groove 107 and finally flow into the wastewater tank 109. In the above mode, the original manual watering takes 15 s for one bubble sheet. After using the device, it only takes 10 s to complete. The original manual watering has a product rejection rate of 1.5%. After using the device, the rejection rate is reduced to 0.3%. The device greatly reduces the labor and time, improves the water spraying efficiency, ensures the uniformity of water spraying, and greatly reduces the rejection rate.
[0023] Further, the flow monitoring unit includes a fixed plate 111 and a plurality of glass rotor flow meters 112. The fixed plate 111 is fixedly connected with the rack 101 and located at the bottom outside of the rack 101. The glass rotor flow meters 112 are fixedly arranged on the fixed plate 111. Each glass rotor flow meter 112 is connected with the corresponding spray head 105 and flow distribution block 117 pipeline.
[0024] In the embodiment, 8 spray heads 105 are arranged in the rack 101, and 16 spray heads 105 are arranged in total, 16 glass rotor flow meters 112 are arranged on the fixed plate 111 of the side of the rack 101, and are connected with the 16 spray heads 105 respectively, the pipeline from the flow divider 117 is connected with the glass rotor flow meter 112, one flow divider 117 is connected with 8 glass rotor flow meters 112, which is corresponding to the 8 spray heads 105 arranged above and below respectively, the glass rotor flow meter 112 is used for displaying the water quantity of each spray head 105, and a throttle valve is arranged on the glass rotor flow meter 112, so that the water quantity of each spray head 105 can be adjusted.
[0025] Further, the ceiling PU bubble sheet spraying device further comprises a plurality of glass windows 113, the plurality of glass windows 113 are fixedly connected with the rack 101 and are located outside the rack 101.
[0026] In the embodiment, the glass windows 113 are arranged outside the rack 101, so that the staff can observe the water mist effect in the rack 101 from the glass windows 113.
[0027] Further, the ceiling PU bubble sheet spraying device further comprises a first baffle 114 and a second baffle 115, the first baffle 114 and the second baffle 115 are fixedly connected with the rack 101 and are located outside the flow guide plate 106.
[0028] In the embodiment, the first baffle 114 and the second baffle 115 are arranged on the two sides of the rack 101, the first baffle 114 and the second baffle 115 are stainless steel plates, and the first baffle 114 and the second baffle 115 are used for blocking the sprayed water to avoid water leakage.
[0029] Further, the ceiling PU bubble sheet spraying device further comprises a plurality of moving wheels 116, the plurality of moving wheels 116 are connected with the wastewater tank 109 and are located below the wastewater tank 109.
[0030] In the embodiment, the plurality of moving wheels 116 are arranged below the wastewater tank 109, and the plurality of moving wheels 116 are used for conveniently and portably moving the wastewater tank 109.
[0031] The above only discloses a preferred embodiment of the utility model, and of course cannot limit the scope of the utility model, and the person skilled in the art can understand that all or part of the processes of the above embodiment can be implemented, and equivalent changes made according to the utility model claims still belong to the range covered by the utility model.
Claims
1. A canopy PU bubble sheet spraying device, characterized in that, including rack, water storage tank, booster pump, two pneumatic ball valves, a plurality of spray heads, drainage plate, two drainage grooves, a plurality of supporting rods, waste water tank, water tank, two flow dividing blocks and flow monitoring unit, the drainage plate and two drainage grooves are fixedly arranged in the rack, each drainage groove has a water outlet hole at both ends, a plurality of supporting rods are fixedly connected with the rack and are located below the drainage plate, the water tank is fixedly connected with the rack and is located below a plurality of supporting rods, the waste water tank is located at the bottom of the rack, the water storage tank and the booster pump are fixedly arranged above the rack, the water outlet of the water storage tank is connected with the pipeline of the booster pump, two pneumatic ball valves are fixedly arranged below the rack, two flow dividing blocks are fixedly arranged at the bottom of the rack, both ends of each pneumatic ball valve are respectively connected with the booster pump and the corresponding flow dividing block, a plurality of spray heads are arranged uniformly in the rack, the flow monitoring unit is connected with a plurality of spray heads, and the flow monitoring unit is respectively connected with two flow dividing blocks.
2. The canopy PU bubble sheet spraying device of claim 1, characterized in that, the flow monitoring unit comprises a fixed plate and a plurality of glass rotor flowmeters, the fixed plate is fixedly connected with the rack and located outside the bottom of the rack, a plurality of glass rotor flowmeters are fixedly arranged on the fixed plate, and each glass rotor flowmeter is respectively connected with the corresponding spray head and flow dividing block.
3. The canopy PU bubble sheet spraying device of claim 1, characterized in that, the canopy PU bubble sheet spraying device further comprises a plurality of glass windows, and a plurality of glass windows are fixedly connected with the rack and are located outside the rack.
4. The canopy PU bubble sheet spraying device of claim 2, characterized in that, the canopy PU bubble sheet spraying device further comprises a first baffle and a second baffle, the first baffle and the second baffle are fixedly connected with the rack and are located outside the drainage plate.
5. The canopy PU bubble sheet spraying device of claim 4, characterized in that, the canopy PU bubble sheet spraying device further comprises a plurality of moving wheels, and a plurality of moving wheels are connected with the waste water tank and are located below the waste water tank.