Hot melt adhesive tape molding extruder

Abstract

The utility model discloses a hot melt adhesive tape forming extruder which comprises a base, an adhesive conveying barrel is arranged above the base, a fixing frame is fixedly installed on the outer surface of the adhesive conveying barrel, a stepping motor is arranged on the left side of the fixing frame, a rotating frame is fixedly installed at the power output end of the stepping motor, and the upper surface of the rotating frame is rotationally connected with the bottom face of the fixing frame. A first glue outlet head is fixedly installed on the back face of the rotating frame, a second glue outlet head, a third glue outlet head and a fourth glue outlet head are fixedly installed on the inner wall of the rotating frame, and a limiting frame is fixedly installed on the left side face of the first glue outlet head. According to the utility model, the stepping motor is arranged to drive the rotating frame to rotate, so that the first glue outlet head, the second glue outlet head, the third glue outlet head and the fourth glue outlet head can be driven to move to a glue outlet position, and therefore, when hot melt adhesive tapes with different shapes and sizes are subjected to extrusion molding, the extrusion heads do not need to be disassembled and replaced, and the production efficiency is improved. And the operation complexity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of hot melt adhesive strip forming and extrusion, in particular to a hot melt adhesive strip forming and extruding machine. Background Technique

[0002] A hot melt adhesive strip forming and extruding machine is an industrial equipment specifically used for producing hot melt adhesive strips. Hot melt adhesive strips are widely used in many fields such as the packaging industry, bookbinding, electronic product encapsulation, and automotive interiors, and are favored for their excellent bonding performance, environmental protection characteristics, and cost-effectiveness.

[0003] When the existing hot melt adhesive strip forming and extruding machine extrudes hot melt adhesive, it is inconvenient to adjust the extrusion head of the extruder, making it inconvenient to adjust the extrusion shape of the adhesive strip as needed. Therefore, when extruding and forming hot melt adhesive strips of different shapes and sizes, it is necessary to disassemble and replace the extrusion head, which increases the complexity of the operation of the staff and thus has low practicability. Therefore, those skilled in the art have provided a hot melt adhesive strip forming and extruding machine to solve the problems raised in the above background technique. Summary of the Utility Model

[0004] In view of this, it is necessary to provide a hot melt adhesive strip forming and extruding machine to solve the problem that when extruding hot melt adhesive, it is inconvenient to adjust the extrusion head of the extruder, making it inconvenient to adjust the extrusion shape of the adhesive strip as needed. Therefore, when extruding and forming hot melt adhesive strips of different shapes and sizes, it is necessary to disassemble and replace the extrusion head, which increases the complexity of the operation of the staff and thus has low practicability.

[0005] According to one aspect of the present utility model, there is provided a hot melt adhesive strip forming and extruding machine, including: a base, above which a glue delivery cylinder is arranged, a fixing frame is fixedly installed on the outer surface of the glue delivery cylinder, a stepping motor is arranged on the left side of the fixing frame, a rotating frame is fixedly installed at the output end of the power of the stepping motor, the upper surface of the rotating frame is rotationally connected to the bottom surface of the fixing frame, a first glue outlet head is fixedly installed on the back surface of the rotating frame, a second glue outlet head, a third glue outlet head, and a fourth glue outlet head are fixedly installed on the inner wall of the rotating frame, a limiting frame is fixedly installed on the left side surface of the first glue outlet head, a first electric telescopic rod is fixedly installed on the inner side wall of the limiting frame, a blocking frame is fixedly installed at the telescopic end of the first electric telescopic rod, and the outer surface of the blocking frame is slidably connected to the inner wall of the first glue outlet head.

[0006] According to some embodiments, four support legs are fixedly installed on the bottom surface of the base, and a grounding plate is fixedly installed at the bottom end of each support leg.

[0007] According to some embodiments, a support frame is fixedly installed on the right side surface of the base, and a glue storage tank is fixedly installed on the upper surface of the support frame.

[0008] According to some embodiments, a second electric telescopic rod is fixedly installed on the left side surface of the support frame. The telescopic end of the second electric telescopic rod penetrates through the glue storage tank and is fixedly installed with a push plate. The outer surface of the push plate is slidably connected with the inner wall of the glue storage tank.

[0009] According to some embodiments, a glue inlet pipe is fixedly communicated with the inner wall of the glue storage tank, and a sealing cover is sleeved on the top end of the glue inlet pipe.

[0010] According to some embodiments, a glue outlet pipe is fixedly communicated with the inner side wall of the glue storage tank. The end of the glue outlet pipe far away from the glue storage tank penetrates through the support frame and is in contact with the top end of the glue conveying cylinder.

[0011] According to some embodiments, two connecting blocks are fixedly installed on the outer surfaces of both the glue outlet pipe and the glue conveying cylinder. The bottom surfaces of two of the connecting blocks are in contact with the upper surfaces of the other two connecting blocks. Two limit bolts are threadedly connected to the inner walls of each group of connecting blocks.

[0012] According to some embodiments, a protective box is fixedly installed on the right side surface of the stepping motor, and the right side surface of the protective box is fixedly connected to the left side surface of the fixing frame.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] The power provided by the stepping motor can drive the rotating frame to rotate, so that the rotating disk can drive the first glue outlet head to move to the glue outlet. The telescopic property provided by the electric telescopic rod can drive the plugging frame to move, so that the plugging frame can adjust the opening size of the first glue outlet head, thereby being able to adjust the size of the extruded flat hot melt adhesive strip. The stepping motor can drive the rotating frame to rotate, so that the rotating frame can drive the second glue outlet head, the third glue outlet head, and the fourth glue outlet head to move to the glue outlet, thereby being able to extrude and form circular hot melt adhesive strips of different sizes, making it convenient to adjust the extrusion shape of the adhesive strip according to needs. Therefore, when extruding and forming hot melt adhesive strips of different shapes and sizes, it is not necessary to disassemble and replace the extrusion head, reducing the operation complexity of the staff and achieving a strong practical effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those skilled in the art, without creative efforts, other drawings can be obtained according to these drawings.

[0016] Figure 1 Schematic three-dimensional structure diagram of the base of a hot melt adhesive strip forming and extruding machine provided by the present utility model;

[0017] Figure 2 Schematic three-dimensional structure diagram of the stepping motor of a hot melt adhesive strip forming and extruding machine provided by the present utility model;

[0018] Figure 3 Schematic bottom-up three-dimensional structure diagram of the first glue outlet head of a hot melt adhesive strip forming and extruding machine provided by the present utility model;

[0019] Figure 4 Schematic sectional three-dimensional structure diagram of the glue storage tank of a hot melt adhesive strip forming and extruding machine provided by the present utility model.

[0020] In the figure: 1. Base; 2. Glue delivery cylinder; 3. Fixed frame; 4. Stepping motor; 5. Rotating frame; 6. First electric telescopic rod; 7. Sealing frame; 8. First glue outlet head; 9. Second glue outlet head; 10. Third glue outlet head; 11. Limiting frame; 12. Fourth glue outlet head; 13. Support leg; 14. Earthing plate; 15. Support frame; 16. Glue storage tank; 17. Second electric telescopic rod; 18. Pushing plate; 19. Glue inlet pipe; 20. Sealing cover; 21. Glue outlet pipe; 22. Connecting block; 23. Limiting bolt; 24. Protection box. Specific embodiments

[0021] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0022] Please refer to Figures 1 to 4 , the present utility model provides a hot melt adhesive strip forming and extruding machine, including a base 1, a glue delivery cylinder 2 is arranged above the base 1, a fixed frame 3 is fixedly installed on the outer surface of the glue delivery cylinder 2, a stepping motor 4 is arranged on the left side of the fixed frame 3, a rotating frame 5 is fixedly installed at the power output end of the stepping motor 4, the upper surface of the rotating frame 5 is rotatably connected to the bottom surface of the fixed frame 3, a first glue outlet head 8 is fixedly installed on the back surface of the rotating frame 5, a second glue outlet head 9, a third glue outlet head 10 and a fourth glue outlet head 12 are fixedly installed on the inner wall of the rotating frame 5, a limiting frame 11 is fixedly installed on the left side surface of the first glue outlet head 8, a first electric telescopic rod 6 is fixedly installed on the inner side wall of the limiting frame 11, a sealing frame 7 is fixedly installed at the telescopic end of the first electric telescopic rod 6, and the outer surface of the sealing frame 7 is slidably connected to the inner wall of the first glue outlet head 8.

[0023] The power provided by the stepper motor 4 can drive the rotating frame 5 to rotate, enabling the rotating frame 5 to drive the first glue outlet head 8 to move to the glue outlet position. The telescopic property provided by the first electric telescopic rod 6 can drive the blocking frame 7 to move, enabling the blocking frame 7 to adjust the opening size of the first glue outlet head 8, thereby enabling the adjustment of the extrusion size of the flat hot melt adhesive strip. The stepper motor 4 can drive the rotating frame 5 to rotate, enabling the rotating frame 5 to drive the second glue outlet head 9, the third glue outlet head 10, and the fourth glue outlet head 12 to move to the glue outlet position, thereby enabling the extrusion molding of circular hot melt adhesive strips of different sizes, making it convenient to adjust the extrusion shape of the adhesive strip as needed. Thus, when extruding and molding hot melt adhesive strips of different shapes and sizes, it is not necessary to disassemble and replace the extrusion head, reducing the complexity of the operation for the staff.

[0024] Furthermore, four support legs 13 are fixedly installed on the bottom surface of the base 1, and a grounding plate 14 is fixedly installed at the bottom end of each support leg 13. The support legs 13 can support the base 1, and the grounding plate 14 can increase the friction between the support legs 13 and the ground, enhancing the stability of the device.

[0025] Furthermore, a support frame 15 is fixedly installed on the right side surface of the base 1, and a glue storage tank 16 is fixedly installed on the upper surface of the support frame 15. The support frame 15 can support the glue storage tank 16, and the glue storage tank 16 can store the hot melt adhesive, increasing the practicality of the device.

[0026] Furthermore, a second electric telescopic rod 17 is fixedly installed on the left side surface of the support frame 15. The telescopic end of the second electric telescopic rod 17 penetrates through the glue storage tank 16 and is fixedly installed with a push plate 18. The outer surface of the push plate 18 is slidably connected to the inner wall of the glue storage tank 16. The second electric telescopic rod 17 can drive the push plate 18 to move, enabling the push plate 18 to push out the hot melt adhesive liquid, increasing the convenience of pushing out the adhesive liquid.

[0027] Furthermore, a glue inlet pipe 19 is fixedly communicated with the inner wall of the glue storage tank 16, and a sealing cover 20 is sleeved on the top end of the glue inlet pipe 19. The glue inlet pipe 19 can facilitate the staff to put the adhesive liquid into the glue storage tank 16, and the sealing cover 20 can seal the glue inlet pipe 19, thereby preventing external impurities from entering the glue storage tank 16 through the glue inlet pipe 19.

[0028] Furthermore, a glue outlet pipe 21 is fixedly communicated with the inner side wall of the glue storage tank 16. The end of the glue outlet pipe 21 far from the glue storage tank 16 penetrates through the support frame 15 and is in contact with the top end of the glue delivery cylinder 2. The glue outlet pipe 21 can convey the adhesive liquid, making it convenient to extrude the hot melt adhesive liquid and increasing the convenience of the device.

[0029] Further, two connecting blocks 22 are fixedly installed on the outer surfaces of the glue outlet pipe 21 and the glue conveying cylinder 2. The bottom surfaces of two of the connecting blocks 22 are in contact with the upper surfaces of the other two connecting blocks 22. Two limit bolts 23 are threadedly connected to the inner walls of each group of connecting blocks 22. The connecting blocks 22 facilitate the connection between the glue conveying cylinder 2 and the glue outlet pipe 21, and the limit bolts 23 facilitate the installation and disassembly of the connecting blocks 22, increasing the convenience of the installation and disassembly of the glue conveying cylinder 2.

[0030] Further, a protective box 24 is fixedly installed on the right side surface of the stepping motor 4. The right side surface of the protective box 24 is fixedly connected to the left side surface of the fixed frame 3. The protective box 24 can support and protect the stepping motor 4, thereby preventing the stepping motor 4 from shaking and shifting during operation, increasing the stability of the stepping motor 4 during operation.

[0031] Working principle: During use, first connect the stepping motor 4, the first electric telescopic rod 6, and the second electric telescopic rod 17 to the power supply. When it is necessary to extrude the hot melt adhesive strip, the connecting blocks 22 facilitate the connection between the glue conveying cylinder 2 and the glue outlet pipe 21, and the limit bolts 23 limit the connecting blocks 22. The power provided by the stepping motor 4 can drive the rotating frame 5 to rotate, so that the rotating frame 5 can drive the first glue outlet head 8 to communicate with the glue outlet pipe 21. The second electric telescopic rod 17 can drive the push plate 18 to move, so that the push plate 18 can push the hot melt adhesive liquid into the glue outlet pipe 21, so that the adhesive liquid is conveyed to the glue conveying cylinder 2 through the glue outlet pipe 21, and the telescopic property provided by the first electric telescopic rod 6 can drive the blocking frame 7 to move, so that the blocking frame 7 can adjust the opening size of the first glue outlet head 8, thereby being able to adjust the size of the extruded flat hot melt adhesive strip, and the stepping motor 4 can drive the rotating frame 5 to rotate, so that the rotating frame 5 can drive the second glue outlet head 9, the third glue outlet head 10, and the fourth glue outlet head 12 to communicate with the glue outlet pipe 21, thereby being able to extrude and form circular hot melt adhesive strips of different sizes, making it convenient to adjust the extrusion shape of the adhesive strip according to needs. Thus, when extruding and forming hot melt adhesive strips of different shapes and sizes, it is not necessary to disassemble and replace the extrusion head, reducing the complexity of the operation of the staff and making the hot melt adhesive strip forming and extruding machine more practical.

[0032] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components; in the description of the present utility model, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, it is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the accompanying drawings are only for illustrative purposes and cannot be construed as a limitation on this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

Claims

1. A hot melt adhesive strip forming and extruding machine, characterized in that, It includes a base (1), above which there is a glue delivery cylinder (2). A fixing frame (3) is fixedly installed on the outer surface of the glue delivery cylinder (2). A stepping motor (4) is arranged on the left side of the fixing frame (3). The output end of the power of the stepping motor (4) is fixedly installed with a rotating frame (5). The upper surface of the rotating frame (5) is rotationally connected to the bottom surface of the fixing frame (3). A first glue outlet head (8) is fixedly installed on the back surface of the rotating frame (5). A second glue outlet head (9), a third glue outlet head (10) and a fourth glue outlet head (12) are fixedly installed on the inner wall of the rotating frame (5). A limiting frame (11) is fixedly installed on the left side surface of the first glue outlet head (8). A first electric telescopic rod (6) is fixedly installed on the inner side wall of the limiting frame (11). The telescopic end of the first electric telescopic rod (6) is fixedly installed with a blocking frame (7). The outer surface of the blocking frame (7) is slidably connected to the inner wall of the first glue outlet head (8).

2. The hot melt adhesive strip forming and extruding machine according to claim 1, characterized in that, Four support legs (13) are fixedly installed on the bottom surface of the base (1). A grounding plate (14) is fixedly installed at the bottom end of each support leg (13).

3. The hot-melt adhesive strip forming and extruding machine according to claim 1, characterized in that, A support frame (15) is fixedly installed on the right side surface of the base (1). A glue storage tank (16) is fixedly installed on the upper surface of the support frame (15).

4. A hot melt adhesive strip forming and extruding machine according to claim 3, characterized in that, A second electric telescopic rod (17) is fixedly installed on the left side surface of the support frame (15). The telescopic end of the second electric telescopic rod (17) penetrates through the glue storage tank (16) and is fixedly installed with a push plate (18). The outer surface of the push plate (18) is slidably connected to the inner wall of the glue storage tank (16).

5. The hot melt adhesive strip forming and extruding machine according to claim 3, characterized in that, A feed pipe (19) is fixedly communicated with the inner wall of the glue storage tank (16). A sealing cover (20) is sleeved on the top end of the feed pipe (19).

6. The hot melt adhesive strip forming and extruding machine according to claim 3, characterized in that, A discharge pipe (21) is fixedly communicated with the inner side wall of the glue storage tank (16). The end of the discharge pipe (21) far away from the glue storage tank (16) penetrates through the support frame (15) and is in contact with the top end of the glue delivery cylinder (2).

7. A hot melt adhesive strip forming and extruding machine according to claim 6, characterized in that, Two connecting blocks (22) are fixedly installed on the outer surfaces of both the discharge pipe (21) and the glue delivery cylinder (2). The bottom surfaces of two of the connecting blocks (22) are in contact with the upper surfaces of the other two connecting blocks (22). Two limit bolts (23) are threadedly connected to the inner walls of each group of connecting blocks (22).

8. The hot melt adhesive strip forming and extruding machine according to claim 1, characterized in that, A protective box (24) is fixedly installed on the right side surface of the stepping motor (4). The right side surface of the protective box (24) is fixedly connected to the left side surface of the fixing frame (3).

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