Gluing device for protective film
By introducing insulation components and disassembly components into the protective film adhesive device, the problem of difficult control of glue temperature and viscosity is solved, and the glue coating quality and the convenience of use of the device are improved.
Patent Information
- Application Number
- CN202421246796.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-06-03
AI Technical Summary
The glueing device of the existing protective film is inconvenient to ensure the temperature of the glue during use, and the viscosity of the glue is easily affected during the glue application process, resulting in poor adhesion and affecting the quality of the glue application.
A protective film adhesive device including a thermal insulation assembly and a disassembly assembly is designed. The insulation assembly maintains the glue temperature on the outer surface of the upper roller through an electric heating rod and a blower. The disassembly assembly facilitates the disassembly and installation of the pressing roller, avoiding affecting subsequent pressing.
The insulation components effectively ensure the temperature of the glue, avoid affecting the viscosity, improve the quality of the glue, and make the device better use effect. The disassembled components are designed for easy cleaning and installation, meeting more usage needs, easy to use and strong practicality.
Smart Images

Figure CN222778299U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gluing protective films, in particular to a gluing device for protective films. Background Art
[0002] According to the purpose, protective films can be divided into digital product protective films, car protective films, household protective films, food preservation protective films, etc. With the popularity of digital products such as mobile phones in China, protective films have gradually become a general term for screen protective films. In the production process of protective films, a gluing device is required to gluing them.
[0003] However, most of the existing protective film gluing devices are inconvenient to ensure the temperature of the glue during use, and the viscosity of the glue is easily affected during the gluing process, that is, if the temperature of the glue is too high or too low, the adhesion between the glue and the protective film will be poor, thereby affecting the gluing quality. Therefore, a protective film gluing device is proposed to address the above problems. Utility Model Content
[0004] In order to make up for the deficiencies of the prior art and solve the problem that most existing gluing devices for protective films are inconvenient to ensure the temperature of glue during use and the viscosity of the glue is easily affected during the gluing process, the utility model proposes a gluing device for a protective film.
[0005] The technical solution adopted by the utility model to solve the technical problem is: the gluing device for a protective film described in the utility model comprises a base;
[0006] A glue storage tank is provided at the center of the top of the base, and vertical plates are fixedly connected to the front of the left and right sides of the top of the base, and discharge rollers are rotatably connected to the top and bottom between the two vertical plates;
[0007] Support plates are fixedly connected to the left and right sides of the center of the top of the base, disassembly components are arranged on the upper part of the two support plates, and a pressing roller is installed between the two disassembly components;
[0008] A through slot is provided at the lower part of the support plate, and a rotating rod is rotatably connected to the through slot through a bearing, and a glue roller is fixedly connected between the two rotating rods. A heat preservation component is provided between the rotating rod and the glue roller on the left side, and a driving component is provided on the right side of the outer surface of the rotating rod on the right side;
[0009] The rear of the left and right sides of the top of the base are fixedly connected with connecting plates, and the upper part between the two connecting plates is rotatably connected with two feeding rollers.
[0010] Preferably, the driving assembly includes a spur gear 1 fixedly connected to the right side of the outer surface of the rotating rod 1 on the right side, a rotating rod 2 is rotatably connected to the center of the right side of the base, a spur gear 2 is fixedly connected to the outer surface of the rotating rod 2, and the spur gear 2 is meshingly connected to the spur gear 1, a support frame 2 is fixedly connected to the lower right side of the base, a motor is fixedly connected to the top of the support frame, and the output end of the motor is fixedly connected to the right end of the rotating rod 2.
[0011] Preferably, the insulation component includes an inner groove opened at the center of the upper glue roller, an electric heating rod is fixedly installed in the inner groove, a circle of continuous insulation groove is opened inside the upper glue roller, through holes are opened above and below the insulation groove and the inner groove, a groove is opened at the left end of the left rotating rod 1, a ventilation pipe is rotatably connected to the groove through a bearing, a ventilation hole is opened on the right side of the groove, a ventilation groove is opened between the ventilation hole and the inner groove, a support frame 1 is fixedly connected to the lower left center of the base, a blower is fixedly connected to the top of the support frame 1, and the right end air outlet of the blower is fixedly connected to the left end of the ventilation pipe.
[0012] Preferably, the blower, the electric heating rod and the motor are all electrically connected to an external power source.
[0013] Preferably, the disassembly assembly includes a mounting groove that is opened above the inside of the support plate and passes through the left and right sides, the left and right ends of the pressure roller are respectively inserted into the two mounting grooves, the upper surface of the inner part of the mounting groove is provided with a through hole that passes through the upper and lower parts, a clamping rod is slidably connected inside the through hole, the bottom end of the clamping rod is located inside the mounting groove and is fixedly connected with a clamping plate, a clamping pad is fixedly connected to the bottom of the clamping plate, and the bottom of the clamping pad is in contact with the outer surface of the end of the pressure roller, a spring is provided inside the clamping rod and is located inside the through hole, the top end of the spring is fixedly connected to the inner side wall of the through hole, and the bottom end of the spring is fixedly connected to the outer surface of the clamping rod.
[0014] Preferably, the clamping plate and the clamping pad are both arranged in an arc shape, and the clamping pad is made of resin material.
[0015] Preferably, the top end of the clamping rod passes through the top center of the support plate and is fixedly connected with a handle.
[0016] The utility model is beneficial in that:
[0017] 1. The utility model facilitates to ensure the temperature of the glue on the outer surface of the glue roller through the heat preservation component, and will not affect the viscosity of the glue during the gluing process of the glue roller, thereby not affecting the quality of the gluing, and making the use effect of the device better.
[0018] 2. The utility model can disassemble and install the pressing roller by disassembling the components, and the outer surface of the pressing roller can be disassembled and cleaned in time after being stuck with glue, and the pressing roller can be prevented from affecting the subsequent pressing, so that the device can meet more usage requirements, is easy to use, and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0020] Figure 1 It is a schematic diagram of the three-dimensional structure in the first embodiment;
[0021] Figure 2 It is a schematic diagram of a partial front cross-section structure in the first embodiment;
[0022] Figure 3 For Example 1 Figure 2 The enlarged structural diagram at A in the middle;
[0023] Figure 4 For Example 1 Figure 2 The enlarged structural diagram at B in the middle;
[0024] Figure 5 This is a schematic diagram of the handle structure in the second embodiment.
[0025] In the figure: 1. base; 2. vertical plate; 3. insulation component; 301. blower; 302. support frame 1; 303. ventilation slot; 304. insulation slot; 305. through hole; 306. electric heating rod; 307. inner slot; 308. groove; 309. ventilation pipe; 310. ventilation hole; 4. support plate; 5. disassembly component; 501. clamping rod; 502. spring; 503. through hole; 504. mounting slot; 505. clamping plate; 506. clamping pad; 507. handle; 6. connecting plate; 7. feed roller; 8. pressure roller; 9. glue roller; 10. discharging roller; 11. through slot; 12. rotating rod 1; 13. spur gear 1; 14. spur gear 2; 15. motor; 16. support frame 2; 17. glue storage tank; 18. rotating rod 2; 19. driving component. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] Embodiment 1
[0028] See also Figure 1-4 As shown, a protective film gluing device comprises a base 1;
[0029] A glue storage tank 17 is provided at the center of the top of the base 1, and vertical plates 2 are fixedly connected to the front of the left and right sides of the top of the base 1, and discharge rollers 10 are rotatably connected to the top and bottom between the two vertical plates 2;
[0030] Support plates 4 are fixedly connected to the left and right sides of the top center of the base 1, and disassembly components 5 are arranged on the upper part of the two support plates 4, and a pressing roller 8 is installed between the two disassembly components 5;
[0031] A through slot 11 is provided at the lower part of the support plate 4, and a rotating rod 12 is rotatably connected to the through slot 11 through a bearing, and a glue roller 9 is fixedly connected between the two rotating rods 12. A heat preservation component 3 is provided between the rotating rod 12 on the left and the glue roller 9, and a driving component 19 is provided on the right side of the outer surface of the rotating rod 12 on the right;
[0032] The left and right rear sides of the top of the base 1 are fixedly connected with connecting plates 6, and the upper part between the two connecting plates 6 is rotatably connected with two feeding rollers 7; when working, the bottom of the base 1 is first fitted with a flat ground to make the device firmly placed, and after the device is firmly placed, glue is poured into the glue storage tank 17, and then the protective film is fed through the feeding roller 7, and after feeding, the material bypasses the outer surface of the glue roller 9 and is discharged by the discharging roller 10, and then the driving component 19 drives the rotating rod 12 and the glue roller 9 to rotate, and after the glue roller 9 rotates, the glue in the glue storage tank 17 is driven to be coated on the protective film, and the temperature of the glue on the outer surface of the glue roller 9 is maintained by the heat preservation component 3 during gluing. In this way, the gluing effect can be better. Then, the gluing is performed through the pressing roller 8, and the pressing roller 8 is easy to disassemble, clean and reinstall through the disassembly component 5. Therefore, the temperature of the glue on the outer surface of the gluing roller 9 is easy to ensure through the heat preservation component 3, and it will not affect the viscosity of the glue during the gluing process of the gluing roller 9, thereby not affecting the quality of the gluing, and the use effect of the device is better. At the same time, the pressing roller 8 can be disassembled and installed through the disassembly component 5, and the outer surface of the pressing roller 8 can be disassembled and cleaned in time after being stuck with glue, and the pressing roller 8 is prevented from affecting the subsequent pressing of the material, so that the device can meet more usage needs, is easy to use, and has strong practicality.
[0033] The driving assembly 19 includes a spur gear 13 fixedly connected to the right side of the outer surface of the rotating rod 12 on the right side, a rotating rod 18 is rotatably connected at the center of the right side of the base 1, a spur gear 14 is fixedly connected to the outer surface of the rotating rod 18, and the spur gear 14 is meshingly connected to the spur gear 13, a support frame 16 is fixedly connected to the lower right side of the base 1, a motor 15 is fixedly connected to the top of the support frame, and the output end of the motor 15 is fixedly connected to the right end of the rotating rod 18; when working, the motor 15 supported by the support frame 16 drives the rotating rod 18 to rotate, and the rotating rod 18 rotates and drives the spur gear 14 to rotate, and then the spur gear 14 rotates to drive the spur gear 13 meshing with it to rotate, and the spur gear 13 rotates and drives the rotating rod 12 and the glue roller 9 to rotate to apply glue.
[0034] The heat preservation component 3 includes an inner groove 307 opened at the center of the upper glue roller 9, an electric heating rod 306 is fixedly installed in the inner groove 307, a circle of continuous heat preservation groove 304 is opened in the upper glue roller 9, through holes 305 are opened above and below the heat preservation groove 304 and the inner groove 307, a groove 308 is opened at the left end of the left rotating rod 12, a ventilation pipe 309 is rotatably connected to the groove 308 through a bearing, a ventilation hole 310 is opened on the right side of the groove 308, a ventilation groove 303 is opened between the ventilation hole 310 and the inner groove 307, and a support frame 1 is fixedly connected to the lower left center of the base 1. 302, a blower 301 is fixedly connected to the top of the support frame 302, and the right end air outlet of the blower 301 is fixedly connected to the left end of the ventilation pipe 309; when working, the air blown by the blower 301 passes through the ventilation pipe 309, the ventilation hole 310 and the ventilation groove 303 to enter the inner groove 307, and the electric heating rod 306 inside the inner groove 307 heats the blown air and then enters the insulation groove 304 through the through hole 305, and then the insulation groove 304 can keep the temperature of the glue adhered to the outer surface of the glue roller 9, and at the same time, the ventilation pipe 309 is rotatably connected to the rotating rod 12, so when the glue roller 9 rotates to apply glue, it drives the rotating rod 12 to rotate, and will not affect the air intake of the ventilation pipe 309.
[0035] The blower 301 , the electric heating rod 306 and the motor 15 are all electrically connected to an external power source; when working, the external power source supplies power to the blower 301 , the electric heating rod 306 and the motor 15 .
[0036] The disassembly component 5 includes a mounting groove 504 which is opened above the inside of the support plate 4 and penetrates from left to right. The left and right ends of the pressing roller 8 are respectively inserted into the two mounting grooves 504. The upper surface of the mounting groove 504 is provided with a through hole 503 which penetrates from top to bottom. A clamping rod 501 is slidably connected to the through hole 503. The bottom end of the clamping rod 501 is located in the mounting groove 504 and is fixedly connected to a clamping plate 505. A clamping pad 506 is fixedly connected to the bottom of the clamping plate 505, and the bottom of the clamping pad 506 is in contact with the outer surface of the end of the pressing roller 8. A spring 502 is sleeved on the inside of the clamping rod 501 and is located inside the through hole 503. The top of the spring 502 is fixedly connected to the inner wall of the through hole 503. The bottom end of the spring 502 is fixedly connected to the outer surface of the clamping rod 501; when working, the clamping rod 501 is pulled to make the clamping rod 501 slide inside the through hole 503, and the clamping rod 501 squeezes the spring 502 after sliding so that the spring 502 has a rebound force, and then the clamping rod 501 moves to drive the clamping plate 505 and the clamping pad 506 to move out of the squeezing and clamping of the roller shaft of the pressing roller 8, and then the pressing roller 8 is moved so that the roller shaft at one end is moved out from the inside of the mounting groove 504, and then the roller shaft at the other end is moved to remove the pressing roller 8. At the same time, during installation, the rebound force of the spring 502 is used to make the clamping plate 505 and the clamping pad 506 squeeze, clamp and install the roller shaft of the pressing roller 8 inserted in the mounting groove 504, thereby facilitating the disassembly and installation of the pressing roller 8.
[0037] The clamping plate 505 and the clamping pad 506 are both arranged in an arc shape, and the clamping pad 506 is made of resin; when working, it is convenient for the clamping plate 505 and the clamping pad 506 to squeeze, clamp and install the roller shaft of the pressure roller 8, and the surface of the clamping pad 506 made of resin is relatively smooth, so after the roller shaft of the pressure roller 8 is squeezed and clamped by the clamping pad 506, due to the small friction force with the clamping pad 506, it can also rotate, thereby rotating the installed pressure roller 8.
[0038] Embodiment 2
[0039] See also Figure 5 As shown, compared with Example 1, as another implementation of the utility model, the top end of the clamping rod 501 passes through the top center of the support plate 4 and is fixedly connected with a handle 507; when working, the handle 507 facilitates the movement of the clamping rod 501.
[0040] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0041] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A protective film gluing device, comprising a base (1); Features: A glue storage tank (17) is provided at the center of the top of the base (1), and vertical plates (2) are fixedly connected to the front of the left and right sides of the top of the base (1), and discharge rollers (10) are rotatably connected to the top and bottom between the two vertical plates (2); Support plates (4) are fixedly connected to the left and right sides of the top center of the base (1), disassembly components (5) are arranged on the upper part of the two support plates (4), and a pressing roller (8) is installed between the two disassembly components (5); A through slot (11) is provided at the lower part of the support plate (4) and is rotatably connected to a rotating rod (12) via a bearing. A glue-applying roller (9) is fixedly connected between the two rotating rods (12). A heat-insulating component (3) is provided between the inside of the rotating rod (12) on the left and the inside of the glue-applying roller (9). A driving component (19) is provided on the right side of the outer surface of the rotating rod (12) on the right. The rear of the left and right sides of the top of the base (1) are fixedly connected with connecting plates (6), and the upper part between the two connecting plates (6) is rotatably connected with two feeding rollers (7).
2. The gluing device for a protective film according to claim 1, characterized in that: The driving assembly (19) comprises a spur gear 1 (13) fixedly connected to the right side of the outer surface of the right side rotating rod 1 (12); a rotating rod 2 (18) is rotatably connected to the center of the right side of the base (1); a spur gear 2 (14) is fixedly connected to the outer surface of the rotating rod 2 (18), and the spur gear 2 (14) is meshingly connected to the spur gear 1 (13); a support frame 2 (16) is fixedly connected to the lower right side of the base (1); a motor (15) is fixedly connected to the top of the support frame, and the output end of the motor (15) is fixedly connected to the right end of the rotating rod 2 (18).
3. The gluing device for a protective film according to claim 2, characterized in that: The heat preservation component (3) comprises an inner groove (307) opened at the center of the glue roller (9), an electric heating rod (306) is fixedly installed in the inner groove (307), a circle of continuous heat preservation groove (304) is opened in the glue roller (9), through holes (305) are opened above and below the inside of the heat preservation groove (304) and the inside of the inner groove (307), a groove (308) is opened at the left end of the left rotating rod (12), and the inside of the groove (308) is passed through A ventilation pipe (309) is rotatably connected via a bearing, a ventilation hole (310) is provided on the right side of the groove (308), a ventilation groove (303) is provided between the ventilation hole (310) and the inner groove (307), a support frame (302) is fixedly connected below the left center of the base (1), a blower (301) is fixedly connected to the top of the support frame (302), and the right end air outlet of the blower (301) is fixedly connected to the left end of the ventilation pipe (309).
4. The gluing device for a protective film according to claim 3, characterized in that: The blower (301), the electric heating rod (306) and the motor (15) are all electrically connected to an external power source.
5. The gluing device for a protective film according to claim 4, characterized in that: The disassembly assembly (5) comprises a mounting groove (504) which is opened on the upper part of the support plate (4) and penetrates from left to right. The left and right ends of the pressing roller (8) are respectively inserted into the two mounting grooves (504). The upper surface of the mounting groove (504) is provided with a through hole (503) which penetrates from top to bottom. A clamping rod (501) is slidably connected inside the through hole (503). The bottom end of the clamping rod (501) is located inside the mounting groove (504) and is fixedly connected. A clamping plate (505) is provided, and a clamping pad (506) is fixedly connected to the bottom of the clamping plate (505), and the bottom of the clamping pad (506) is in contact with the outer surface of the end of the pressing roller (8). A spring (502) is sleeved inside the through hole (503) inside the clamping rod (501), and the top end of the spring (502) is fixedly connected to the inner wall of the through hole (503), and the bottom end of the spring (502) is fixedly connected to the outer surface of the clamping rod (501).
6. The gluing device for a protective film according to claim 5, characterized in that: The clamping plate (505) and the clamping pad (506) are both arranged in an arc shape, and the clamping pad (506) is made of resin material.
7. The protective film gluing device according to claim 6, characterized in that: The top end of the clamping rod (501) passes through the top center of the support plate (4) and is fixedly connected to a handle (507).