Coater coating device for preventing material leakage
Patent Information
- Application Number
- CN202522456745.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-19
- Publication Date
- 2026-11-03
- Estimated Expiration
- 2035-11-19
AI Technical Summary
Traditional coating machines suffer from paint leakage, which increases production costs, causes equipment wear and tear, and pollutes the environment, and is difficult to clean.
By employing adjustable guide components and anti-leakage scraping components, precise guiding and scraping technologies are used to prevent paint leakage and enable paint recycling.
It enables precise coating and recycling of paint, reduces production costs, minimizes equipment wear and environmental pollution, and improves production efficiency and coating quality.
Smart Images

Figure CN224926352U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of coating device technology, specifically to a coating machine coating device for preventing material leakage. Background Technology
[0002] The coating unit of a coating machine is the core execution unit of the coating machine. Simply put, it is a complete set of mechanisms that uses mechanical structures to evenly and accurately coat the coating onto the surface of the substrate, while also achieving functions such as preventing material leakage, tension control, and coating thickness adjustment. It is a key part that determines the quality of coated products and production efficiency.
[0003] Traditional coating machines often rely solely on the simple contact between the coating roller and the paint outlet to achieve coating. Paint is prone to leakage from both ends of the coating roller and the gaps at the paint outlet, or paint may overflow due to substrate misalignment. Leaked paint cannot be recovered, directly increasing production costs. At the same time, leaked paint adheres to the surfaces of components such as the frame, guide rollers, and motor, increasing cleaning difficulty and equipment maintenance frequency. Long-term accumulation can easily lead to component wear and jamming. Furthermore, solvent-based paint leakage can pollute the production environment and even cause safety hazards. Utility Model Content
[0004] The purpose of this invention is to provide a coating device for a leak-proof coating machine, which has the advantages of leak-proof coating and solves the problems in the prior art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: The coating device of the anti-leakage coating machine includes a coating machine frame plate. Support frames are fixedly installed on both sides of the upper end of the coating machine frame plate. A first servo motor is fixedly installed on the upper end of the support frame. The output end of the first servo motor is detachably installed with a feed and discharge roller. Side guard plates are fixedly installed on the coating machine frame plate in a symmetrical arrangement. An adjusting guide component is provided on one end of the inner side of the side guard plate. A coating evenly brushing component for uniform coating is provided on the side end of the adjusting guide component. An anti-leakage scraping component for scraping off excess coating on the fabric is provided on the side end of the adjusting guide component. The coating evenly brushing component includes a bottom mounting plate fixedly installed on the inner side of the side guard plate, a hydraulic lifting rod fixedly installed on the upper end of the bottom mounting plate, a bottom support frame plate fixedly installed on the upper end of the hydraulic lifting rod, a second servo motor fixedly installed on one end of the inner side of the bottom support frame plate, and a lower coating conveyor roller fixedly installed on the output end of the second servo motor.
[0006] Preferably, the adjusting guide assembly includes a fourth servo motor fixedly installed on the side end of the side guard plate and a first guide roller fixedly installed on the output end of the fourth servo motor.
[0007] It is worth noting that the first guide roller, as the basic guiding component for substrate conveying, guides the substrate into the coating area along a preset path to prevent substrate deviation; however, it is necessary to clean the surface of the first guide roller to avoid paint residue or impurities adhering to the substrate surface and causing scratches.
[0008] Preferably, a hydraulic cylinder is fixedly installed at the upper end of the side guard plate, an L-shaped fixing plate is fixedly installed at the output end of the hydraulic cylinder, a fifth servo motor is fixedly installed at the side end of the L-shaped fixing plate, and a second guide roller is fixedly installed at the output end of the fifth servo motor.
[0009] It is worth noting that the second guide roller and the first guide roller work together to form a dual guide structure, which further constrains the substrate conveying path and improves the guiding accuracy. However, it is necessary to select a second guide roller of appropriate length according to the width of the substrate to avoid the substrate edge from exceeding the range of the second guide roller and causing offset.
[0010] Preferably, a third servo motor is fixedly installed at the upper end of the side guard plate, and a paint roller is fixedly installed on the outside of the output shaft of the third servo motor. Paint baffles are provided at both ends of the outside of the paint roller.
[0011] It is worth noting that the paint roller, as the core coating execution component, adsorbs paint on its surface and transfers it to the substrate surface to achieve the initial coating of paint; however, it is necessary to select the paint roller material and surface roughness according to the characteristics of the paint to ensure the paint adsorption and transfer effect.
[0012] Preferably, a top mounting bracket is fixedly installed on the upper end of the side protective plate, a horizontal protective frame plate is fixedly installed on the upper end of the top mounting bracket, and a sixth servo motor is fixedly installed on one outer end of the horizontal protective frame plate.
[0013] It is worth noting that the top mounting bracket serves as the mounting base for the horizontal protective frame and the sixth servo motor, providing a stable support structure; however, care must be taken to ensure a firm connection with the side protective plate during installation, using multiple sets of bolts to prevent loosening due to vibration.
[0014] Preferably, a threaded adjusting rod is fixedly installed at the output end of the sixth servo motor, a movable sleeve is threadedly connected to the outer side of the threaded adjusting rod, a paint conveying frame plate is fixedly installed at the lower end of the movable sleeve plate, and a paint brush is provided at the lower end of the paint conveying frame plate.
[0015] It is worth noting that: the paint brush is used to further evenly apply the paint to the substrate surface after the paint roller coating, eliminating defects such as bubbles and streaks in the coating and improving the smoothness of the coating; however, it is necessary to check the wear of the paint brush bristles and replace them in time when the wear is severe to avoid affecting the evenness of the brushing.
[0016] Preferably, a paint bucket is fixedly installed on the upper end of the coating machine frame plate, a conveying pump is fixedly installed on the upper end of the paint bucket, and a conveying hose connected to the paint conveying frame plate is installed at the output end of the conveying pump.
[0017] It is worth noting that the delivery hose connects the delivery pump to the paint delivery rack, enabling flexible delivery of the paint and adapting to the lateral movement of the paint delivery rack; however, care should be taken to avoid friction between the delivery hose and moving parts to prevent damage and leakage.
[0018] Preferably, the anti-leakage scraping assembly includes an inclined downward material plate fixedly connected to the inner side of the side guard plate, a pressure-bearing mounting plate fixedly connected to the side end of the side guard plate, an adjusting cylinder fixedly mounted on the upper end of the pressure-bearing mounting plate, a receiving frame plate fixedly mounted on the output end of the adjusting cylinder, a scraper fixedly mounted on the front end of the receiving frame plate, a guide hose fixedly connected to the side end of the receiving frame plate, and a paint recycling bucket fixedly mounted on the lower end of the guide hose.
[0019] It is worth noting that the scraper removes excess paint from the substrate surface, precisely controlling the coating thickness and avoiding excessive or uneven coating. However, it is necessary to regularly check the sharpness of the scraper blade and sharpen or replace it in time when it is severely worn to ensure scraping accuracy.
[0020] Compared with the prior art, the beneficial effects of this utility model are as follows: This invention utilizes an adjustable guide component to guide the substrate precisely along a preset path, adapting to substrates of varying thicknesses and widths. It also adjusts the substrate conveying tension to prevent wrinkles, misalignment, or excessive stretching. Working in conjunction with the feed / discharge reel and the coating evenly spreader, it ensures the substrate smoothly enters the coating area, creating conditions for uniform coating. The coating evenly spreader is responsible for applying the coating evenly to the substrate surface, eliminating defects such as bubbles and streaks during coating, ensuring consistent coating thickness and a smooth surface. Together with the adjustable guide component, it achieves a synergistic effect of "precise guidance + uniform coating," adapting to different coating process requirements. Simultaneously, an anti-leakage scraping component scrapes excess coating from the substrate surface, precisely controlling the coating thickness and preventing excessive thickness or localized accumulation. It also collects scraped excess coating and any potential leaks, preventing equipment contamination and material waste, while enabling coating recycling. Together with the coating evenly spreader, it forms a closed-loop control system of "coating-scraping-leakage prevention." Attached Figure Description
[0021] Figure 1 This is a three-dimensional structural diagram of the present invention. Figure 2 This is a three-dimensional structural diagram of the lower coating conveyor roller of this utility model; Figure 3 This is a three-dimensional structural diagram of the coating roller of this utility model; Figure 4 This is a three-dimensional structural diagram of the paint brush of this utility model; Figure 5 This is a three-dimensional structural diagram of the anti-leakage material scraping component of this utility model.
[0022] Reference numerals: 1. Coating machine frame plate; 2. Support frame; 3. First servo motor; 4. Feed / discharge roller; 5. Side protective plate; 601. Fourth servo motor; 602. First guide roller; 603. Hydraulic cylinder; 604. L-shaped fixing plate; 605. Fifth servo motor; 606. Second guide roller; 701. Bottom mounting plate; 702. Hydraulic lifting rod; 703. Bottom support frame plate; 704. Second servo motor; 705. Lower coating conveyor roller; 706. Third servo motor; 707. 708. Paint roller; 709. Paint baffle; 710. Top mounting bracket; 711. Horizontal protective frame plate; 712. Sixth servo motor; 713. Threaded adjusting rod; 714. Moving sleeve block; 715. Paint conveying frame plate; 716. Paint brush; 717. Paint bucket; 718. Conveying pump; 719. Conveying hose; 8001. Inclined downward material plate; 802. Pressure-bearing mounting plate; 803. Adjusting cylinder; 804. Material receiving frame plate; 805. Scraper; 806. Guide hose; 807. Paint recycling bucket. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] To address the issue of material leakage during coating in existing technologies, the following technical solution is provided. Please refer to [link / reference]. Figure 1-5 ; The coating device of the anti-leakage coating machine includes a coating machine frame plate 1. Support frames 2 are fixedly installed on both sides of the upper end of the coating machine frame plate 1. A first servo motor 3 is fixedly installed on the upper end of the support frame 2. A feed / discharge roller 4 is detachably installed at the output end of the first servo motor 3. Symmetrically distributed side guard plates 5 are fixedly installed on the coating machine frame plate 1. An adjusting guide component is provided at one end of the inner side of each side guard plate 5. A coating evenness component for uniformly applying the coating is provided at the side end of the adjusting guide component. Excess coating on the fabric is also removed from the side end of the adjusting guide component. The anti-leakage scraping assembly for scraping and the coating evenly brushing assembly include a bottom mounting plate 701 fixedly installed inside the side protective plate 5, a hydraulic lifting rod 702 fixedly installed on the upper end of the bottom mounting plate 701, a bottom support frame plate 703 fixedly installed on the upper end of the hydraulic lifting rod 702, a second servo motor 704 fixedly installed on one end of the inner side of the bottom support frame plate 703, and a lower coating conveyor roller 705 fixedly installed on the output end of the second servo motor 704. A third servo motor 706 is fixedly installed on the upper end of the side protective plate 5. A paint roller 707 is fixedly mounted on the outer side of the output shaft of the three servo motors 706. Paint baffles 708 are provided at both ends of the outer side of the paint roller 707. A top mounting bracket 709 is fixedly mounted on the upper end of the side protective plate 5. A transverse protective frame plate 710 is fixedly mounted on the upper end of the top mounting bracket 709. A sixth servo motor 711 is fixedly mounted on one end of the outer side of the transverse protective frame plate 710. A threaded adjusting rod 712 is fixedly mounted on the output end of the sixth servo motor 711. A movable sleeve block 713 is threadedly connected to the outer side of the threaded adjusting rod 712. A paint conveying frame plate 714 is fixedly installed at the lower end of the movable sleeve block 713. A paint brush 715 is provided at the lower end of the paint conveying frame plate 714. A paint bucket 716 is fixedly installed at the upper end of the coating machine frame plate 1. A conveying pump 717 is fixedly installed at the upper end of the paint bucket 716. A conveying hose 718 connected to the paint conveying frame plate 714 is installed at the output end of the conveying pump 717. The conveying hose 718 connects the conveying pump 717 and the paint conveying frame plate 714 to realize flexible conveying of paint and adapt to the lateral movement of the paint conveying frame plate 714.
[0025] The adjusting guide assembly includes a fourth servo motor 601 fixedly installed on the side end of the side protective plate 5, a first guide roller 602 fixedly installed on the output end of the fourth servo motor 601, a hydraulic cylinder 603 fixedly installed on the upper end of the side protective plate 5, an L-shaped fixing plate 604 fixedly installed on the output end of the hydraulic cylinder 603, a fifth servo motor 605 fixedly installed on the side end of the L-shaped fixing plate 604, and a second guide roller 606 fixedly installed on the output end of the fifth servo motor 605. The second guide roller 606 and the first guide roller 602 cooperate to form a double guide structure, further constraining the substrate conveying path and improving the guiding accuracy.
[0026] The anti-leakage scraping assembly includes a downward-sloping material plate 801 fixedly connected to the inside of the side protective plate 5, a pressure-bearing mounting plate 802 fixedly connected to the side end of the side protective plate 5, an adjusting cylinder 803 fixedly installed on the upper end of the pressure-bearing mounting plate 802, a receiving frame plate 804 fixedly installed on the output end of the adjusting cylinder 803, a scraper 805 fixedly installed on the front end of the receiving frame plate 804, a guide hose 806 fixedly connected to the side end of the receiving frame plate 804, and a paint recycling bin 807 fixedly installed on the lower end of the guide hose 806. The scraper 805 scrapes off excess paint from the substrate surface, precisely controlling the coating thickness and avoiding excessive or uneven coating thickness.
[0027] Working principle: The fabric roll to be coated is installed on the feed and discharge roll rod 4 and fixed to the upper end of the coating machine frame plate 1 by the support frame 2. Ensure that the feed and discharge roll rod 4 is firmly connected to the output end of the first servo motor 3. Check that the adjustment guide component, paint brushing component and anti-leakage scraping component on the inside of the side protection plate 5 are installed in place. Inject an appropriate amount of paint into the paint bucket 716 and seal it. The first servo motor 3 is started to drive the feed and discharge roller 4 to rotate, and the fabric is released from the feed and discharge roller 4. The fourth servo motor 601 is started to drive the first guide roller 602 to rotate. At the same time, the hydraulic cylinder 603 is started to adjust the height of the L-shaped fixing plate 604 so that the second guide roller 606 and the first guide roller 602 form a suitable distance. The fifth servo motor 605 is started to drive the second guide roller 606 to rotate. After being guided by the first guide roller 602 and the second guide roller 606, the fabric is smoothly conveyed to the coating component area. Start the hydraulic lifting rod 702. The hydraulic lifting rod 702, which is fixedly supported by the bottom mounting plate 701, drives the bottom support frame plate 703 to rise and fall. Adjust the height of the lower coating conveyor roller 705 so that it forms a suitable distance with the subsequent coating roller 707. Start the second servo motor 704 to drive the lower coating conveyor roller 705 to rotate, ensuring that the speed of the lower coating conveyor roller 705 matches the substrate conveying speed. The conveying pump 717 is started, and the paint in the paint bucket 716 is conveyed to the paint conveying frame 714 through the conveying hose 718. The paint seeps out from the paint brush 715 at the lower end of the paint conveying frame 714. The third servo motor 706 is started to drive the paint roller 707 to rotate. The paint roller 707 adsorbs paint on its surface, and the paint baffles 708 at both ends prevent the paint from flowing out from both sides of the roller. The sixth servo motor 711 is started to drive the threaded adjustment rod 712 to rotate. The moving sleeve 713 on the outside of the threaded adjustment rod 712 moves laterally, driving the paint conveying frame plate 714 and the paint brush 715 to sweep laterally. The paint brush 715 further evenly applies the paint on the surface of the paint roller 707 to the fabric surface between the lower coating conveyor roller 705 and the paint roller 707. Start the regulating cylinder 803. The regulating cylinder 803, which is fixed by the pressure mounting plate 802, drives the receiving frame plate 804 and the scraper 805 to move, so that the scraper 805 is close to the surface of the fabric and scrapes off the excess paint on the fabric. The scraped paint and any paint that may leak are guided by the inclined material plate 801 to fall into the receiving frame plate 804, and then transported to the paint recycling tank 807 for recycling through the guide hose 806. After being uniformly coated and treated to prevent leakage, the fabric continues to be conveyed. Guided by the subsequent guiding structure, it is wound up by the feed and discharge roller 4 driven by the first servo motor 3.
[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.
Claims
1. A coating device for a coating machine that prevents material leakage, comprising a coating machine frame plate (1), characterized in that, Support frames (2) are fixedly installed on both sides of the upper end of the coating machine frame plate (1). A first servo motor (3) is fixedly installed on the upper end of the support frame (2). The output end of the first servo motor (3) is detachably equipped with a feed and discharge roller (4). Side guard plates (5) are fixedly installed on the coating machine frame plate (1) in a symmetrical arrangement. An adjustment guide component is provided on one end of the inner side of the side guard plate (5). A coating evenness component for uniform coating is provided on the side end of the adjustment guide component. An excess coating on the fabric is removed from the side end of the adjustment guide component. The anti-leakage scraping assembly for scraping and the coating brushing assembly include a bottom mounting plate (701) fixedly installed inside the side guard plate (5), a hydraulic lifting rod (702) fixedly installed on the upper end of the bottom mounting plate (701), a bottom support frame plate (703) fixedly installed on the upper end of the hydraulic lifting rod (702), a second servo motor (704) fixedly installed on one end of the inner side of the bottom support frame plate (703), and a lower coating conveyor roller (705) fixedly installed on the output end of the second servo motor (704).
2. The coating apparatus for the anti-leakage material coating machine according to claim 1, characterized in that, The adjustment guide assembly includes a fourth servo motor (601) fixedly installed on the side end of the side guard plate (5) and a first guide roller (602) fixedly installed on the output end of the fourth servo motor (601).
3. The coating apparatus for the anti-leakage material coating machine according to claim 2, characterized in that, A hydraulic cylinder (603) is fixedly installed on the upper end of the side guard plate (5). An L-shaped fixing plate (604) is fixedly installed on the output end of the hydraulic cylinder (603). A fifth servo motor (605) is fixedly installed on the side end of the L-shaped fixing plate (604). A second guide roller (606) is fixedly installed on the output end of the fifth servo motor (605).
4. The coating apparatus for the anti-leakage material coating machine according to claim 1, characterized in that, A third servo motor (706) is fixedly installed on the upper end of the side guard plate (5). A paint roller (707) is fixedly installed on the outside of the output shaft of the third servo motor (706). Paint baffles (708) are provided at both ends of the outside of the paint roller (707).
5. The coating apparatus for the anti-leakage material coating machine according to claim 4, characterized in that, A top mounting bracket (709) is fixedly installed on the upper end of the side guard plate (5), and a horizontal guard frame plate (710) is fixedly installed on the upper end of the top mounting bracket (709). A sixth servo motor (711) is fixedly installed on one side of the horizontal guard frame plate (710).
6. The coating apparatus for the anti-leakage material coating machine according to claim 5, characterized in that, The output end of the sixth servo motor (711) is fixedly installed with a threaded adjustment rod (712), and a movable sleeve block (713) is threadedly connected to the outside of the threaded adjustment rod (712). A paint conveying frame plate (714) is fixedly installed at the lower end of the movable sleeve block (713), and a paint brush (715) is provided at the lower end of the paint conveying frame plate (714).
7. The coating apparatus for the anti-leakage material coating machine according to claim 6, characterized in that, A paint bucket (716) is fixedly installed on the upper end of the coating machine frame plate (1). A conveying pump (717) is fixedly installed on the upper end of the paint bucket (716). A conveying hose (718) connected to the paint conveying frame plate (714) is installed at the output end of the conveying pump (717).
8. The coating apparatus for the anti-leakage material coating machine according to claim 1, characterized in that, The anti-leakage scraping assembly includes a downward-sloping material plate (801) fixedly connected to the inside of the side guard plate (5), a pressure-bearing mounting plate (802) fixedly connected to the side end of the side guard plate (5), an adjusting cylinder (803) fixedly installed on the upper end of the pressure-bearing mounting plate (802), a receiving frame plate (804) fixedly installed on the output end of the adjusting cylinder (803), a scraper (805) fixedly installed on the front end of the receiving frame plate (804), a guide hose (806) fixedly connected to the side end of the receiving frame plate (804), and a paint recycling bucket (807) fixedly installed on the lower end of the guide hose (806).
