Device for back-coating hot melt adhesive on edge band
The design of the hydraulic cylinder-driven adjustment bracket and guide roller solves the problems of loose fitting and uneven coating caused by the fixed roller spacing in the hot melt adhesive coating device on the back of the edge banding strip, and achieves uniform coating and tight bonding of the edge banding strip.
Patent Information
- Application Number
- CN202422488987.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-10-15
AI Technical Summary
In the existing device for coating the back of edge banding with hot melt adhesive, the spacing between the rollers is fixed, resulting in loose adhesion between the edge banding and the back surface, uneven coating of the back adhesive, and affected bonding effect.
The hydraulic cylinder drives the No. 1 adjustment bracket and roller to adjust the roller spacing, and the guide roller is used to guide the edge banding to ensure uniform glue coating.
The roller spacing is automatically adjusted according to the thickness of the edge banding strip, which improves the uniformity of adhesive application and the bonding effect.
Smart Images

Figure CN223393737U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of back-coating hot melt adhesive devices, in particular to a back-coating hot melt adhesive device for edge banding strips. Background Art
[0002] Edge banding is a material specially used for protecting, decorating and beautifying the cross-section of furniture panels. Edge banding can effectively seal the cross-section of the panel and prevent adverse factors (such as moisture) in the environment and during use from damaging the panel. Hot melt adhesive coating on the back of the edge banding is a common process in furniture manufacturing, which aims to firmly stick the edge banding to the edge of the furniture panel. When using existing edge banding, the staff will apply adhesive on the back of the edge banding through a back-coating hot melt adhesive device, and then evenly apply the adhesive through a driven roller. Finally, the back of the edge banding is squeezed and fitted with the cross-section panel to complete the bonding of the edge banding. However, the thickness of the edge banding varies from 0.3mm to 10mm depending on the usage and the material it is made of. However, the distance between the two rollers outside the existing edge banding is fixed, and it is easy for the roller to not fit closely enough with the back of the edge banding, and it is easy for the adhesive to be applied unevenly, affecting the bonding effect of the edge banding. Utility Model Content
[0003] The purpose of the present utility model is to provide a device for coating hot melt adhesive on the back of an edge banding strip, so as to solve the problem in the above-mentioned background technology that the distance between the two rollers outside the existing edge banding strip is fixed, the rollers are prone to not fitting tightly enough with the back of the edge banding strip, and the back adhesive is easily not applied evenly, thereby affecting the bonding effect of the edge banding strip.
[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a device for coating hot melt adhesive on the back of edge banding strips, comprising:
[0005] Through box;
[0006] A fixing frame, the fixing frame is arranged inside the box;
[0007] The second roller is rotatably arranged on the inner side of the fixed frame;
[0008] Hydraulic cylinder, which is installed on the top of the box;
[0009] No. 1 adjusting bracket, which is arranged at the output end of the hydraulic cylinder;
[0010] Roller No. 1, roller No. 1 is rotatably arranged inside the No. 1 adjustment bracket;
[0011] Fixed side panel, fixed to one side of the No. 1 adjustment bracket;
[0012] The connecting bottom plate is symmetrically arranged at the bottom of the fixed side plate. A material passing box is fixedly connected to the bottom of the connecting bottom plate. A plurality of nozzles are equidistantly arranged at the bottom of the material passing box.
[0013] As a preferred solution of the present invention: the bottom of the fixed side plate is fixedly connected to an adjusting base plate, the bottom of the adjusting base plate is fixedly connected to a No. 2 adjusting bracket, and a No. 2 guide roller is rotatably provided on the inner side of the No. 2 adjusting bracket.
[0014] As a preferred solution of the present invention: fixed side frames are fixedly connected to both sides of the through box, and a No. 1 guide roller is rotatably provided on the inner side of the fixed side frame.
[0015] As a preferred solution of the present utility model: a No. 2 limit slide bar is symmetrically and slidingly provided inside the fixed side panel, and the No. 2 limit slide bar is fixedly connected to the through box; a No. 3 limit slide bar is symmetrically fixedly connected to the top of the fixed side panel, and the No. 3 limit slide bar is slidingly connected to the through box; a No. 1 limit slide bar is symmetrically fixedly connected to the top of the No. 1 adjustment bracket, and the No. 1 limit slide bar is slidingly connected to the through box.
[0016] As a preferred solution of the present invention: a fixed support plate is slidingly provided on the outer side of the adjustment base plate, one side of the fixed support plate is fixedly connected to the through box, a motor is installed on one side of the fixed frame, and the output end of the motor is fixedly connected to the No. 2 roller.
[0017] As a preferred solution of the present invention: a feed pipe is fixedly connected to one side of the feed box.
[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention sets a hydraulic cylinder, a No. 1 adjustment bracket and a No. 1 roller, so that the output end of the hydraulic cylinder drives the No. 1 adjustment bracket and the No. 1 roller to adjust the height position, adjusts the spacing between the No. 1 roller and the No. 2 roller, and adjusts the distance between the No. 1 roller and the No. 2 roller according to the thickness of the edge banding strip, so that the back surface of the edge banding strip is closely adhered to, so that the back glue is evenly applied, and by setting a No. 1 guide roller and a No. 2 guide roller, the No. 2 guide roller and the No. 1 guide roller guide the position of the edge banding strip entering the through box, thereby improving the stability of the glue application. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 This is a bottom view of the utility model;
[0021] Figure 3 This is a schematic diagram of the internal structure of the utility model;
[0022] Figure 4This is a schematic diagram of the structure of the material passing box of the utility model;
[0023] Figure 5 This is a schematic diagram of the structure of the No. 2 roller of the utility model.
[0024] In the figure: 1. Feed box; 2. Fixed side frame; 3. Guide roller No. 1; 4. Adjustment bracket No. 1; 5. Hydraulic cylinder; 6. Limit slide No. 1; 7. Fixed side plate; 8. Adjustment bottom plate; 9. Adjustment bracket No. 2; 10. Guide roller No. 2; 11. Fixed support plate; 12. Connecting bottom plate; 13. Feed box; 14. Nozzle; 15. Roller No. 1; 16. Feed pipe; 17. Limit slide No. 2; 18. Limit slide No. 3; 19. Fixed frame; 20. Roller No. 2; 21. Motor. DETAILED DESCRIPTION
[0025] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.
[0026] See also Figures 1 to 5 The utility model provides a technical solution: a device for coating hot melt adhesive on the back of an edge strip, comprising: a through box 1; a fixed frame 19 fixedly connected to the inside of the through box 1; a No. 2 roller 20 rotatably arranged on the inner side of the fixed frame 19; a hydraulic cylinder 5 installed on the top of the through box 1; a No. 1 adjusting bracket 4 fixedly connected to the output end of the hydraulic cylinder 5; a No. 1 roller 15 rotatably arranged inside the No. 1 adjusting bracket 4; a fixed side plate 7 fixedly connected to one side of the No. 1 adjusting bracket 4; a connecting bottom plate 12 symmetrically fixedly connected to the bottom of the fixed side plate 7, a material box 13 is fixedly connected to the bottom of the connecting bottom plate 12, and a plurality of nozzles 14 are equidistantly arranged at the bottom of the material box 13.
[0027] It can be understood that the present invention controls the device through an external controller, energizes the device through an external power supply, drives the No. 1 adjustment bracket 4 and the No. 1 roller 15 to move and adjust through the output end of the hydraulic cylinder 5, and adjusts the distance between the No. 1 roller 15 and the No. 2 roller 20. At the same time, when the height position of the No. 1 adjustment bracket 4 is adjusted, the No. 1 adjustment bracket 4 drives the fixed side plate 7 on one side and the adjustment bottom plate 8 at the bottom to move. When the adjustment bottom plate 8 moves, it drives the No. 2 adjustment bracket 9 and the No. 2 guide roller 10 at the bottom to adjust the height position, and adjusts the distance between the No. 2 guide roller 10 and the No. 1 guide roller 3. The output end of the motor 21 drives the No. 2 roller 20 to rotate, and the edge strip is guided and moved between the No. 2 guide roller 10 and the No. 1 guide roller 3 below. A hot melt adhesive delivery pump is connected to the feed pipe 16. The main function of the hot melt adhesive delivery pump is to pressurize and stabilize the high-temperature melt, and keep the melt flow rate correctly and stably fed into the feed pipe 16. It can handle the delivery, pressurization and metering of polymer melts from low viscosity to extremely high viscosity. It enters the feed box 13 through the feed pipe 16 and is sprayed out through the various nozzles 14 at the bottom of the feed box 13 to coat the edge strip with glue to ensure that the back coating of the edge strip is uniform.
[0028] See also Figures 1 to 5 The bottom of the fixed side plate 7 is fixedly connected with an adjusting base plate 8, the bottom of the adjusting base plate 8 is fixedly connected with a No. 2 adjusting bracket 9, and a No. 2 guide roller 10 is rotatably provided on the inner side of the No. 2 adjusting bracket 9.
[0029] It can be understood that when the height position of the No. 1 adjustment bracket 4 is adjusted in the present invention, the No. 1 adjustment bracket 4 synchronously drives the fixed side panel 7 and the bottom adjustment base plate 8 to move, and when the adjustment base plate 8 moves, it drives the No. 2 adjustment bracket 9 at the bottom and the No. 2 guide roller 10 on the inside to adjust the height position.
[0030] See also Figures 1 to 5 A fixed side frame 2 is fixed on both sides of the box 1, and a guide roller 3 is rotatably provided inside the fixed side frame 2.
[0031] It can be understood that, in the present invention, when the height position of the No. 2 guide roller 10 is adjusted, the distance between the No. 2 guide roller 10 and the No. 1 guide roller 3 is adjusted, and the sealing edges of different thicknesses are guided and conveyed between the No. 1 guide roller 3 and the No. 2 guide roller 10.
[0032] See also Figures 1 to 5A No. 2 limit slide bar 17 is symmetrically slidably provided inside the fixed side panel 7, and the No. 2 limit slide bar 17 is fixedly connected to the through box 1. A No. 3 limit slide bar 18 is symmetrically fixed to the top of the fixed side panel 7, and the No. 3 limit slide bar 18 is slidably connected to the through box 1. A No. 1 limit slide bar 6 is symmetrically fixed to the top of the No. 1 adjustment bracket 4, and the No. 1 limit slide bar 6 is slidably connected to the through box 1.
[0033] It can be understood that, in the present invention, when the height position of the No. 1 adjustment bracket 4 and the fixed side panel 7 is adjusted, the fixed side panel 7 drives the No. 3 limit slide bar 18 to move synchronously, and the No. 3 limit slide bar 18 slides with the through box 1 to limit the adjustment stability of the fixed side panel 7. When the No. 1 adjustment bracket 4 is adjusted up and down, it drives the top No. 1 limit slide bar 6 to move, and the No. 1 limit slide bar 6 slides with the through box 1 to limit the adjustment stability of the No. 1 adjustment bracket 4 and the fixed side panel 7.
[0034] See also Figures 1 to 5 A fixed support plate 11 is provided on the outer side of the adjustment bottom plate 8 for sliding. One side of the fixed support plate 11 is fixedly connected to the through box 1. A motor 21 is installed on one side of the fixed frame 19. The output end of the motor 21 is fixedly connected to the second roller 20.
[0035] It can be understood that, in the present invention, the output end of the motor 21 drives the second roller 20 to rotate, thereby guiding and conveying the sealing strip edge.
[0036] See also Figures 1 to 5 A feed pipe 16 is fixedly connected to one side of the feed box 13.
[0037] It can be understood that the utility model is connected to a hot melt adhesive delivery pump through the feed pipe 16. The main function of the hot melt adhesive delivery pump is to pressurize and stabilize the high-temperature melt, maintain the melt flow rate correctly and stably, and deliver it into the feed pipe 16. It can handle the delivery, pressurization and metering of polymer melts from lower viscosity to extremely high viscosity.
[0038] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "two ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying 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 operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0039] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one such feature.
[0040] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated 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; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.
[0041] Although the 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 variations may 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 appended claims and their equivalents.
Claims
1. The device for coating hot melt adhesive on the back of edge banding strips is characterized by: include: Pass box (1); A fixing frame (19), the fixing frame (19) is arranged inside the through box (1); A second roller (20), the second roller (20) is rotatably arranged on the inner side of the fixed frame (19); A hydraulic cylinder (5), the hydraulic cylinder (5) is installed on the top of the through box (1); A No. 1 adjusting bracket (4), the No. 1 adjusting bracket (4) is arranged at the output end of the hydraulic cylinder (5); A No. 1 roller (15), the No. 1 roller (15) is rotatably arranged inside a No. 1 adjustment bracket (4); A fixed side plate (7), the fixed side plate (7) is fixedly connected to one side of the first adjustment bracket (4); A connecting bottom plate (12) is symmetrically arranged at the bottom of the fixed side plate (7); a material passing box (13) is fixedly connected to the bottom of the connecting bottom plate (12); and a plurality of nozzles (14) are equidistantly arranged at the bottom of the material passing box (13).
2. The device for coating hot melt adhesive on the back of edge banding according to claim 1, characterized in that: The bottom of the fixed side plate (7) is fixedly connected to an adjusting base plate (8), the bottom of the adjusting base plate (8) is fixedly connected to a second adjusting bracket (9), and a second guide roller (10) is rotatably provided inside the second adjusting bracket (9).
3. The device for coating hot melt adhesive on the back of edge banding according to claim 1, characterized in that: Both sides of the through box (1) are fixedly connected with fixed side frames (2), and a first guide roller (3) is rotatably provided inside the fixed side frame (2).
4. The device for coating hot melt adhesive on the back of edge banding according to claim 1, characterized in that: A No. 2 limiting slide bar (17) is symmetrically slidably provided inside the fixed side plate (7), and the No. 2 limiting slide bar (17) is fixedly connected to the through box (1). A No. 3 limiting slide bar (18) is symmetrically fixedly connected to the top of the fixed side plate (7), and the No. 3 limiting slide bar (18) is slidably connected to the through box (1). A No. 1 limiting slide bar (6) is symmetrically fixedly connected to the top of the No. 1 adjustment bracket (4), and the No. 1 limiting slide bar (6) is slidably connected to the through box (1).
5. The device for coating hot melt adhesive on the back of edge banding according to claim 2, characterized in that: A fixed support plate (11) is slidably provided on the outer side of the adjustment base plate (8), one side of the fixed support plate (11) is fixedly connected to the through box (1), and a motor (21) is installed on one side of the fixed frame (19), and the output end of the motor (21) is fixedly connected to the second roller (20).
6. The device for coating hot melt adhesive on the back of edge banding according to claim 1, characterized in that: A feed pipe (16) is fixedly connected to one side of the feed box (13).