Coating plate for roller coating type coating machine
By designing small material trays with overflow plates, feed plates and isolation plates and large material trays with hydrothermal bases, the problems of paint trays producing paint bubbles, slow reflux and being affected by temperature during the coating cycle are solved, and the paint trays are realized. Foam isolation, coating heating and rapid reflow improve product quality and production efficiency.
Patent Information
- Application Number
- CN202411871763.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-02-14
AI Technical Summary
The existing coating trays for roller coating machines are prone to mix air in the coating cycle to produce fine paint bubbles, resulting in product missed coating; the bottom is a flat design, resulting in slow reflow of the paint, affecting the performance of the paint; and affected by environmental temperature changes, Uneven viscosity of the paint causes product to be scrapped.
A coating tray including large material trays and small material trays are designed. The small material trays are equipped with an overflow plate, a feed plate and an isolation plate. The isolation plate divides the inner cavity of the small material trays into a storage cavity and a foam cavity to isolate it. The bottom of the plate is equipped with a feed hole connecting the storage chamber and the foam chamber to isolate the paint bubbles; a hydrothermal base is provided at the bottom of the large material tray to heat the paint.
Effectively isolate the foam generated by the coating circulation process, avoiding the safety hazards of manual cleaning, ensuring product quality and production safety; by heating the coating, avoiding the precipitation of wax additives, ensuring the paint performance and film thickness uniformity, and improving production Yield rate and production efficiency.
Smart Images

Figure CN119426121A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of a coating tray for a roller coating machine, in particular to a coating tray for a roller coating machine. Background Art
[0002] The paint tray for roller coating machine is suitable for supplying, storing and circulating paint during the production and operation of roller coating machine, and supplies paint to the lifting roller. However, the existing paint tray has the following defects: 1. When the existing roller coating machine is coating production operation, air is easily mixed into the paint circulation process and fine paint bubbles are generated. After the paint bubbles adhere to the surface of the lifting roller, the product is leaked and the product is scrapped. Therefore, during the production process, the operator needs to regularly clean the paint bubbles in the small material tray to ensure product quality. However, there are safety hazards when operating during the operation of the equipment, which is not conducive to safe production; 2. The bottom of the paint tray of the existing roller coating machine is a flat design. During the paint circulation process, the reflux is slow and there is a reflux dead zone, which is easy to cause the precipitation of wax additives in the paint, thereby affecting the paint performance and prolonging the cleaning time of the paint tray during the production change, thereby reducing production efficiency; 3. During the coating production operation of the existing roller coating machine, affected by the changes in ambient temperature in winter, during the paint circulation process, the viscosity of the paint increases with the decrease in temperature, resulting in uneven film thickness of the product output by the roller coating machine, causing product scrapping and a decrease in the yield rate.
[0003] Therefore, the present invention provides a coating tray for a roller coating machine to solve the above problems. Summary of the invention
[0004] The technical problem to be solved by the present invention is to overcome the existing defects and provide a paint tray for a roller coating machine, which can effectively isolate the foam generated in the paint circulation process, does not require manual cleaning, and ensures safe production. The paint can also be heated to avoid the precipitation of wax additives in the paint, and can ensure that the product film thickness is uniform, improve the yield of finished products, and also help the rapid reflux of the paint, shorten the cleaning time of the paint tray, thereby improving production efficiency. It is easy to use and can effectively solve the problems in the background technology.
[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a paint tray for a roller coating machine, comprising a large material tray, a hydrothermal base is provided at the bottom of the large material tray, a small material tray is provided inside the large material tray, the small material tray comprises an overflow plate and a feed plate arranged in parallel, and both ends of the overflow plate and the feed plate are connected by side plates, the inner sides of the two side plates are connected by an isolation plate, and the isolation plate divides the inner cavity of the small material tray into a storage cavity and a foam cavity, and a feed hole connecting the storage cavity and the foam cavity is provided at the bottom of the isolation plate.
[0006] As a preferred technical solution of the present invention, overflow ports are provided on the tops of the overflow plate and the feed plate.
[0007] As a preferred technical solution of the present invention, a discharge port is provided on the side of the feed plate, and a sealing plate is movably connected to the portion of the feed plate corresponding to the discharge port up and down.
[0008] As a preferred technical solution of the present invention, the hydrothermal base includes a heat-conducting base installed at the bottom of the large material tray, a guide groove is provided on the upper surface of the heat-conducting base, and a water inlet and a water outlet connected to the guide groove are provided on the side of the heat-conducting base.
[0009] As a preferred technical solution of the present invention, a positioning support is installed at the bottom of the heat-conducting base, and a positioning hole is opened on the positioning support.
[0010] As a preferred technical solution of the present invention, a reflux channel is provided on one side of the large material tray, and a reflux interface is provided on the side of the reflux channel.
[0011] As a preferred technical solution of the present invention, the bottom of the inner cavity of the large material tray is chamfered.
[0012] Compared with the prior art, the present invention has the following beneficial effects: The paint tray for the roller coating machine of the present invention can effectively isolate the foam generated during the paint circulation process, ensure that the temperature of the paint meets the process requirements, and thus solve the defects such as foam lines, color difference stripes, and missing paint caused by foam in the paint during the production and operation of the roller coating machine.
[0013] The coating tray for the roller coating machine of the present invention heats the coating at a constant temperature, thereby effectively ensuring the stability of the coating film weight and the board surface quality of the finished product when the ambient temperature changes, thereby improving the yield of the finished product.
[0014] The paint tray for the roller coating machine of the present invention can effectively remove paint bubbles generated during the paint circulation process of the roller coating machine during coating, replacing manual cleaning. There is no need for manual operation during operation, which can effectively improve production efficiency and product yield rate and has high safety.
[0015] The paint tray for the roller coating machine of the present invention has a fast paint reflow speed and can heat the paint, thereby avoiding the precipitation of wax additives in the paint, ensuring the performance of the paint, and greatly shortening the cleaning time of the paint tray, thereby improving production efficiency.
[0016] The paint tray for the roller coating machine in the example of the present invention can effectively isolate the foam generated in the paint circulation process, without the need for manual cleaning, ensuring safe production. It can also heat the paint to avoid the precipitation of wax additives in the paint, ensure the uniformity of the product film thickness, improve the yield of the finished product, and also help the rapid reflux of the paint, shorten the cleaning time of the paint tray, thereby improving production efficiency and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a left-side structural schematic diagram of the present invention; Figure 3 It is a cross-sectional structural schematic diagram of the present invention; Figure 4 It is a bottom view structural schematic diagram of the present invention.
[0018] In the figure: 1 large material tray, 2 small material tray, 21 overflow plate, 22 feed plate, 23 side plate, 24 isolation plate, 3 overflow port, 4 feed hole, 5 discharge port, 51 sealing plate, 6 heat conduction base, 61 guide groove, 62 water inlet, 63 water outlet, 7 reflux channel, 71 reflux interface, 8 positioning support, 81 positioning hole. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0020] See also Figure 1-4 The present invention provides a technical solution: a paint tray for a roller coating machine, comprising a large material tray 1, a hydrothermal base is provided at the bottom of the large material tray 1, a small material tray 2 is provided inside the large material tray 1, the small material tray 2 comprises an overflow plate 21 and a feed plate 22 arranged in parallel, and both ends of the overflow plate 21 and the feed plate 22 are connected by side plates 23, the inner sides of the two side plates 23 are connected by an isolation plate 24, and the isolation plate 24 divides the inner cavity of the small material tray 2 into a storage cavity and a foam cavity, and a feed hole 4 connecting the storage cavity and the foam cavity is opened at the bottom of the isolation plate 24, the paint enters the foam cavity and enters the guide storage cavity through the feed hole 4, so that the isolation plate 24 can be used to isolate paint bubbles generated during the paint circulation process.
[0021] Furthermore, overflow ports 3 are provided at the tops of the overflow plate 21 and the feed plate 22 to ensure that the small material tray 2 remains full during the operation of the coating machine, and the foam overflows through the overflow port 3 and flows back to the external coating bucket.
[0022] Furthermore, a discharge port 5 is provided on the side of the feed plate 22, and a sealing plate 51 is movably connected to the portion of the feed plate 22 corresponding to the discharge port 5, so as to facilitate rapid discharge and cleaning of the material tray and improve production change efficiency.
[0023] Furthermore, the hydrothermal base includes a heat-conducting base 6 installed at the bottom of the large material tray 1. A guide groove 61 is provided on the upper surface of the heat-conducting base 6 for guiding the hot water after it enters the heating layer, thereby realizing uniform and rapid circulation of the hot water. A water inlet 62 and a water outlet 63 connected to the guide groove 61 are provided on the side of the heat-conducting base 6, which can heat the paint and solve the problem that the paint is affected by changes in ambient temperature during the paint circulation process during the production of the roller coating machine, and the unstable viscosity of the paint affects the product quality.
[0024] Furthermore, a positioning support 8 is installed at the bottom of the heat-conducting base 6, and a positioning hole 81 is opened on the positioning support 8 to position the entire material tray and ensure the stability of the position of the material tray during the operation of the coating machine.
[0025] Furthermore, a reflux channel 7 is provided on one side of the large material tray 1 , and a reflux interface 71 is provided on the side of the reflux channel 7 .
[0026] Furthermore, the bottom of the inner cavity of the large material tray 1 is chamfered so that the bottom corners thereof form an arc-shaped structure, which is convenient for the rapid reflux of the paint circulation during the production and operation of the roller coating machine.
[0027] When using: The paint in the external paint bucket is transported to the inside of the foam cavity by a pump, and the paint inside the foam cavity enters the storage cavity through the feed hole 4, and the foam is blocked inside the foam cavity; The paint in the storage chamber flows into the large material tray 1 through the overflow port 3, and flows back to the paint bucket through the reflux channel 7 and the external reflux pipe connected to the reflux interface 71 to complete the circulation; Connect the hot water delivery pipe to the water inlet 62, and connect the hot water return pipe to the water outlet 63, so that the hot water moves inside the guide groove 61, thereby heating the paint inside the large material tray 1; When the paint tray needs to be cleaned, stop delivering paint into the foam cavity, pull out the sealing plate 51, and the paint in the small tray 2 enters the large tray 1 through the discharge port 5. The paint in the large tray 1 flows back into the paint bucket through the reflux channel 7 and the external reflux pipe connected to the reflux interface 71, thereby completing the discharge operation.
[0028] The present invention realizes automatic isolation of foam formed in the paint feeding circulation process during the painting process of the coating machine, thereby avoiding defects such as foam lines, color difference strips, and missing paint caused by failure to manually scrape off the foam in time; the water heating base at the bottom of the large material tray 1 can heat the paint when the ambient temperature decreases, thereby solving the problem of unqualified film weight of the finished coating caused by large fluctuations in the viscosity of the paint due to large fluctuations in the external ambient temperature, and at the same time avoiding defects such as flowery finished board surface caused by substandard paint use temperature; by adopting a layered design, the time for cleaning the material tray during production change is reduced, thereby improving production efficiency.
[0029] The coating tray for the roller coating machine has the characteristics of stable structure, easy disassembly and cleaning, smooth coating circulation and reflux, isolation of paint bubbles and heating of coating. It effectively avoids defects such as foam lines, color difference stripes, and coating leakage caused by the failure to manually scrape off the foam generated during the circulation process in time; the heating layer at the bottom of the large material tray can heat the coating when the ambient temperature drops, solving the problem of unqualified film weight of the finished coating caused by large fluctuations in the viscosity of the coating due to large fluctuations in the external ambient temperature, and avoiding defects such as flowery finished board surface caused by substandard coating temperature; by adopting a layered design, the time for cleaning the material tray during the production change is reduced, and production efficiency is improved.
[0030] The present invention can effectively isolate the foam generated in the paint circulation process, without the need for manual cleaning, thereby ensuring safe production. The paint can also be heated to avoid the precipitation of wax additives in the paint, thereby ensuring uniform film thickness of the product and improving the yield of the finished product. It also helps to quickly reflux the paint and shorten the cleaning time of the paint tray, thereby improving production efficiency and facilitating use.
[0031] The undisclosed parts in the present invention are all prior art, and their specific structures, materials and working principles are not described in detail. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the attached claims and their equivalents.
Claims
1. A coating tray for a roller coating machine, comprising a large material tray (1), characterized in that: A water heating base is provided at the bottom of the large material tray (1), and a small material tray (2) is provided inside the large material tray (1). The small material tray (2) comprises an overflow plate (21) and a feed plate (22) arranged in parallel, and both ends of the overflow plate (21) and the feed plate (22) are connected by a side plate (23), and the inner sides of the two side plates (23) are connected by an isolation plate (24), and the isolation plate (24) divides the inner cavity of the small material tray (2) into a storage cavity and a foam cavity, and a feed hole (4) connecting the storage cavity and the foam cavity is provided at the bottom of the isolation plate (24).
2. The coating tray for a roller coating machine according to claim 1, characterized in that: Overflow ports (3) are provided at the tops of the overflow plate (21) and the feed plate (22).
3. The coating tray for a roller coating machine according to claim 1, characterized in that: A discharge port (5) is provided on the side of the feed plate (22), and a sealing plate (51) is movably engaged with the portion of the feed plate (22) corresponding to the discharge port (5) up and down.
4. The coating tray for a roller coating machine according to claim 1, characterized in that: The hydrothermal base comprises a heat-conducting base (6) mounted on the bottom of the large material tray (1); a guide groove (61) is provided on the upper surface of the heat-conducting base (6); and a water inlet (62) and a water outlet (63) in communication with the guide groove (61) are provided on the side surface of the heat-conducting base (6).
5. The coating tray for a roller coating machine according to claim 4, characterized in that: A positioning support (8) is installed at the bottom of the heat-conducting base (6), and a positioning hole (81) is provided on the positioning support (8).
6. The coating tray for a roller coating machine according to claim 1, characterized in that: A reflux channel (7) is provided on one side of the large material tray (1), and a reflux interface (71) is provided on the side of the reflux channel (7).
7. The coating tray for a roller coating machine according to claim 1, characterized in that: The bottom of the inner cavity of the large material tray (1) is chamfered.