Hot melting equipment for processing PVC (polyvinyl chloride) sizing material

By introducing a stirring component and a control structure into the hot melt equipment, the problem of adhesive adhesion was solved, and smooth flow of adhesive and stable temperature control were achieved, thus improving the ease of use and applicability of the equipment.

CN223701364UActive Publication Date: 2025-12-23DONGGUAN JINSHUO PLASTIC PROD CO LTD
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Patent Information

Application Number
CN202422892267.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-12-23
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

In traditional hot melt equipment, the molten adhesive at the bottom of the equipment does not flow easily and tends to stick to the inner wall during the hot melt process.

Method used

A hot melt device including a stirring component and a control structure was designed. The stirring component stirs the adhesive material at the bottom of the hot melt chamber through a stirring shaft and a stirring block. The control structure controls the temperature by adjusting the switching of the heating wire through a temperature sensor and a microcontroller to ensure that the adhesive material is within a suitable melting range.

Benefits of technology

It effectively prevents the adhesive from sticking to the inner wall of the hot melt equipment, improves the convenience and applicability of the equipment, and ensures the smooth flow of the adhesive and the stability of the temperature.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of hot melting equipment, and provides hot melting equipment for processing PVC (polyvinyl chloride) sizing materials, which comprises a hot melting component, the hot melting component comprises a hot melting box, a hot melting cavity, a heating structure, a box cover, a feed hopper, a temperature sensor and a liquid discharge pipe, the hot melting cavity is arranged in the hot melting box, and the heating structure is arranged in the hot melting cavity. By arranging the stirring structure and starting the driving motor, the driving motor can drive the driving shaft to rotate during rotation, the driving shaft can drive the connecting rod to rotate during rotation, the connecting rod can drive the stirring block to rotate during rotation, and the stirring block can stir molten rubber at the bottom of the hot melting cavity during rotation; according to the hot melting equipment for the PVC sizing material, the molten sizing material is prevented from being adhered to the inner wall of the hot melting box, the function of preventing the molten sizing material from being adhered to the inner wall of the hot melting box is achieved, and the use convenience of the hot melting equipment for the PVC sizing material is improved.
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Description

Technical Field

[0001] This utility model relates to the field of hot melt equipment technology, and in particular to a hot melt equipment for processing PVC adhesives. Background Technology

[0002] PVC is a common plastic material with good mechanical properties, chemical stability and heat resistance. Therefore, it is widely used in building materials, pipes, cable insulation, packaging and medical devices. With the continuous improvement of the performance and functional requirements of PVC products, the demand for the development of PVC material itself and its composite materials is also increasing. Therefore, it is necessary to design a hot melt equipment for processing PVC adhesives.

[0003] In traditional hot melt equipment, the molten adhesive at the bottom of the equipment does not flow easily and tends to stick to the inner wall. Therefore, it is necessary to design a hot melt equipment that can facilitate stirring at the bottom to increase the flowability of the adhesive at the bottom of the equipment. Utility Model Content

[0004] The purpose of this invention is to provide a hot melt equipment for processing PVC adhesives, in order to solve the defects of existing hot melt equipment where the melted adhesive at the bottom of the equipment does not flow easily and tends to stick to the inner wall during the hot melt process.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a hot melt equipment for processing PVC adhesives, including a hot melt assembly;

[0006] The hot melt assembly includes a hot melt box, a hot melt cavity, a heating structure, a box cover, a feed hopper, a temperature sensor, and a drain pipe. The hot melt box has a hot melt cavity inside, and a heating structure is installed inside the hot melt cavity. A box cover is fixed to the top of the hot melt box, and a feed hopper is fixed to the top of the box cover. A temperature sensor is fixed to one side of the bottom of the box cover, and a drain pipe is fixed to one side of the bottom of the hot melt box.

[0007] An adjustment structure is fixed on one side of the top of the hot melt box;

[0008] The hot melt cavity is equipped with a stirring assembly, which includes a stirring shaft, a stirring rod, and a stirring structure. The stirring shaft is located inside the hot melt cavity, and stirring rods are evenly fixed on the outer side of the stirring shaft. A stirring structure is installed at the lower end of the stirring shaft.

[0009] The stirring structure includes a drive shaft, connecting rods, stirring blocks, a fixing plate, a drive motor, mounting bolts, and a connecting plate. The drive shaft is installed at the lower end of the stirring shaft. A fixing plate is fixed on the outer wall of the bottom of the drive shaft. A connecting plate is provided on the outer side of the drive shaft above the fixing plate. Connecting rods are fixed on the outer walls of both sides of the connecting plate. Mounting bolts pass through both sides of the inside of the connecting plate. Stirring blocks are evenly fixed at the lower end of the connecting rods. The drive motor is installed at the bottom of the hot melt box.

[0010] Preferably, the heating structure includes a heating base, a heating cavity, and a heating wire. The heating base is disposed inside the hot melt cavity, and the heating cavity is provided inside the heating base. The heating wire is disposed inside the heating cavity.

[0011] Preferably, the outer wall of the heating seat and the inner wall of the hot melt box are fixedly connected, and the heating wire is designed in a spring shape.

[0012] Preferably, the control structure includes an adjustment box, a cover, a microcontroller, a circuit board, and a display screen. The adjustment box is fixed to one side of the top of the hot melt box, and the cover is fixed to one side of the adjustment box. The circuit board is installed inside the adjustment box, the microcontroller is installed on one side of the circuit board, and the display screen is installed on one side of the cover.

[0013] Preferably, the input terminal of the microcontroller is electrically connected to the output terminal of the temperature sensor, and the output terminal of the microcontroller is electrically connected to the input terminal of the display screen.

[0014] Preferably, the bottom end of the drive shaft extends to the outside of the hot melt box and is fixedly connected to the output end of the drive motor, and the connecting rods are symmetrically distributed on both sides of the connecting plate.

[0015] Preferably, the stirring blocks are evenly distributed at the lower end of the connecting rod, and the lower end of the mounting bolt extends to the outside of the fixing plate.

[0016] The present invention provides a hot melt equipment for processing PVC adhesives, the advantages of which are:

[0017] By incorporating a stirring structure, the drive motor, when activated, rotates, causing the drive shaft to rotate. This rotation, in turn, causes the connecting rod to rotate, which in turn causes the stirring block to rotate. The rotating stirring block stirs the molten adhesive at the bottom of the hot melt chamber, preventing the molten adhesive from adhering to the inner wall of the hot melt box. This device effectively prevents the molten adhesive from sticking to the inner wall of the hot melt box, improving the ease of use of the PVC adhesive hot melt equipment.

[0018] With the addition of a control structure, the temperature sensor can monitor the temperature inside the hot melt chamber in real time and transmit the signal to the microcontroller. The microcontroller then displays the temperature information on the screen. When the temperature is too high, the microcontroller transmits the information to the heating wire to control the heating wire to turn off and reduce the temperature. When the temperature is too low, it controls the heating wire to turn on and increase the temperature, ensuring that the temperature inside the hot melt chamber is always within the appropriate range for melting the PVC material. This device has the function of regulating the temperature inside the hot melt chamber, improving the applicability of the PVC material hot melt equipment during use.

[0019] By incorporating a heating structure and activating the heating wire, the heating wire begins to heat the PVC material. This heat is then transferred through the heating base to the interior of the hot melt chamber, melting the PVC material inside. This design facilitates the heating and melting of the PVC material, improving the ease of use of the hot melt equipment. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the front cross-sectional structure of this utility model;

[0022] Figure 3 For the present utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0023] Figure 4 This is a top-view cross-sectional three-dimensional structural diagram of the present invention.

[0024] Figure 5 This is a three-dimensional structural diagram of the stirring assembly of this utility model;

[0025] Figure 6 This is a side view cross-sectional three-dimensional structural schematic diagram of the present invention;

[0026] Figure 7 This is a three-dimensional structural schematic diagram of the front cross-section of this utility model.

[0027] The following are the annotations in the diagram: 1. Hot melt assembly; 11. Hot melt box; 12. Hot melt cavity; 13. Heating structure; 131. Heating seat; 132. Heating cavity; 133. Heating wire; 14. Box cover; 15. Feed hopper; 16. Temperature sensor; 17. Drain pipe; 2. Control structure; 21. Adjustment box; 22. Cover; 23. Microcontroller; 24. Circuit board; 25. Display screen; 3. Stirring assembly; 31. Stirring shaft; 32. Stirring rod; 33. Stirring structure; 331. Drive shaft; 332. Connecting rod; 333. Stirring block; 334. Fixing plate; 335. Drive motor; 336. Mounting bolt; 337. Connecting plate. Detailed Implementation

[0028] 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.

[0029] Please see Figures 1-7 The present invention provides a hot melt equipment for processing PVC adhesives, including a hot melt assembly 1.

[0030] Reference Figure 2 , Figure 4 , Figure 6 and Figure 7 The hot melt assembly 1 includes a hot melt box 11, a hot melt cavity 12, a heating structure 13, a box cover 14, a feed hopper 15, a temperature sensor 16, and a drain pipe 17. The hot melt box 11 has a hot melt cavity 12 inside, and the hot melt cavity 12 has a heating structure 13 inside. The heating structure 13 includes a heating seat 131, a heating cavity 132, and a heating wire 133. The heating seat 131 is located inside the hot melt cavity 12, and the heating seat 131 has a heating cavity 132 inside. The heating cavity 132 has a heating wire 133 inside. The outer side wall of the heating seat 131 is fixedly connected to the inner side wall of the hot melt box 11. The heating wire 133 is designed in a spring shape. The top of the hot melt box 11 is fixed with a box cover 14, and the top of the box cover 14 is fixed with a feed hopper 15. The bottom side of the box cover 14 is fixed with a temperature sensor 16, and the bottom side of the hot melt box 11 is fixed with a drain pipe 17.

[0031] When the external power supply is connected, the heating wire 133 is turned on. The heating wire 133 starts to heat. When the heating wire 133 heats, it will transfer heat through the heating base 131 to the inside of the hot melt cavity 12 to heat and melt the adhesive inside the hot melt cavity 12.

[0032] Reference Figure 1 , Figure 2and Figure 7 A control structure 2 is fixed to one side of the top of the hot melt box 11. The control structure 2 includes an adjustment box 21, a cover 22, a microcontroller 23, a circuit board 24, and a display screen 25. The adjustment box 21 is fixed to one side of the top of the hot melt box 11. The cover 22 is fixed to one side of the adjustment box 21. The circuit board 24 is installed inside the adjustment box 21. The microcontroller 23 is installed on one side of the circuit board 24. The display screen 25 is installed on one side of the cover 22. The input terminal of the microcontroller 23 is electrically connected to the output terminal of the temperature sensor 16. The output terminal of the microcontroller 23 is electrically connected to the input terminal of the display screen 25.

[0033] Temperature sensor 16 can monitor the temperature inside the hot melt cavity 12 in real time and transmit the signal to microcontroller 23. Microcontroller 23 will transmit the temperature information to display screen 25. When the temperature is too high, microcontroller 23 will transmit the information to heating wire 133 and control heating wire 133 to turn off to reduce the temperature. When the temperature is too low, control heating wire 133 to turn on to increase the temperature, so as to ensure that the temperature inside the hot melt cavity 12 is always within the appropriate range for melting the adhesive.

[0034] Reference Figures 2-7 The hot-melting cavity 12 is equipped with a stirring assembly 3, which includes a stirring shaft 31, a stirring rod 32, and a stirring structure 33. The stirring shaft 31 is located inside the hot-melting cavity 12, and the stirring rods 32 are evenly fixed on the outer side of the stirring shaft 31. The stirring structure 33 is installed at the lower end of the stirring shaft 31. The stirring structure 33 includes a drive shaft 331, a connecting rod 332, a stirring block 333, a fixing plate 334, a drive motor 335, mounting bolts 336, and a connecting plate 337. The drive shaft 331 is installed at the lower end of the stirring shaft 31, and the fixing plate 334 is fixed on the outer wall of the bottom of the drive shaft 331. The drive motor 335 is installed above the fixing plate 334. A connecting plate 337 is provided on the outer side of the shaft 331. Connecting rods 332 are fixed on the outer walls of both sides of the connecting plate 337. Mounting bolts 336 pass through both sides of the inner side of the connecting plate 337. Stirring blocks 333 are evenly fixed at the lower end of the connecting rods 332. The drive motor 335 is installed at the bottom of the hot melt box 11. The bottom end of the drive shaft 331 extends to the outside of the hot melt box 11 and is fixedly connected to the output end of the drive motor 335. The connecting rods 332 are symmetrically distributed on both sides of the connecting plate 337. The stirring blocks 333 are evenly distributed at the lower end of the connecting rods 332. The lower end of the mounting bolts 336 extends to the outside of the fixing plate 334.

[0035] When the external power supply is connected and the drive motor 335 is started, the drive motor 335 will drive the drive shaft 331 to rotate. The rotation of the drive shaft 331 will drive the connecting rod 332 to rotate. The rotation of the connecting rod 332 will drive the stirring block 333 to rotate. When the stirring block 333 rotates, it will stir the melted adhesive at the bottom of the hot melt chamber 12 to prevent the melted adhesive from sticking to the inner wall of the hot melt box 11.

[0036] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A hot melt apparatus for processing PVC adhesives, comprising a hot melt assembly (1); Its features are: The hot melt assembly (1) includes a hot melt box (11), a hot melt cavity (12), a heating structure (13), a box cover (14), a feed hopper (15), a temperature sensor (16), and a drain pipe (17). The hot melt box (11) has a hot melt cavity (12) inside. The hot melt cavity (12) is provided inside. The heating structure (13) is provided inside. The top of the hot melt box (11) is fixed with a box cover (14). The top of the box cover (14) is fixed with a feed hopper (15). The bottom of the box cover (14) is fixed with a temperature sensor (16). The bottom of the hot melt box (11) is fixed with a drain pipe (17). A regulating structure (2) is fixed on one side of the top of the hot melt box (11); The hot melt cavity (12) is provided with a stirring assembly (3). The stirring assembly (3) includes a stirring shaft (31), a stirring rod (32) and a stirring structure (33). The stirring shaft (31) is located inside the hot melt cavity (12). The stirring rod (32) is uniformly fixed on the outside of the stirring shaft (31). The stirring structure (33) is installed at the lower end of the stirring shaft (31). The stirring structure (33) includes a drive shaft (331), a connecting rod (332), a stirring block (333), a fixing plate (334), a drive motor (335), mounting bolts (336), and a connecting plate (337). The drive shaft (331) is installed at the lower end of the stirring shaft (31). A fixing plate (334) is fixed on the outer wall of the bottom of the drive shaft (331). A connecting plate (337) is provided on the outer side of the drive shaft (331) above the fixing plate (334). A connecting rod (332) is fixed on the outer walls on both sides of the connecting plate (337). Mounting bolts (336) pass through both sides inside the connecting plate (337). A stirring block (333) is uniformly fixed at the lower end of the connecting rod (332). The drive motor (335) is installed at the bottom end of the hot melt box (11).

2. A hot melt apparatus for processing PVC compounds according to claim 1, characterized in that: The heating structure (13) includes a heating base (131), a heating cavity (132), and a heating wire (133). The heating base (131) is disposed inside the hot melt cavity (12). The heating cavity (132) is opened inside the heating base (131), and the heating wire (133) is disposed inside the heating cavity (132).

3. A hot melt apparatus for processing PVC compounds according to claim 2, characterized in that: The outer wall of the heating seat (131) and the inner wall of the hot melt box (11) are fixedly connected, and the heating wire (133) is designed in a spring shape.

4. A hot melt apparatus for processing PVC compounds as claimed in claim 1, wherein: The control structure (2) includes an adjustment box (21), a cover (22), a microcontroller (23), a circuit board (24), and a display screen (25). The adjustment box (21) is fixed to one side of the top of the hot melt box (11). The cover (22) is fixed to one side of the adjustment box (21). The circuit board (24) is installed inside the adjustment box (21). The microcontroller (23) is installed on one side of the circuit board (24). The display screen (25) is installed on one side of the cover (22).

5. A hot melt equipment for processing PVC adhesives according to claim 4, characterized in that: The input terminal of the microcontroller (23) is electrically connected to the output terminal of the temperature sensor (16), and the output terminal of the microcontroller (23) is electrically connected to the input terminal of the display screen (25).

6. The hot melt equipment for processing PVC adhesives according to claim 1, characterized in that: The bottom end of the drive shaft (331) extends to the outside of the hot melt box (11) and is fixedly connected to the output end of the drive motor (335). The connecting rods (332) are symmetrically distributed on both sides of the connecting plate (337).

7. The hot melt equipment for processing PVC adhesives according to claim 1, characterized in that: The stirring blocks (333) are evenly distributed at the lower end of the connecting rod (332), and the lower end of the mounting bolt (336) extends to the outside of the fixing plate (334).