Hot melt adhesive particle production system

Abstract

The utility model relates to hot melt adhesive production technical field, concretely discloses a kind of hot melt adhesive particle production system. Wherein, extrusion device, including extrusion structure and granulating structure, water cooling mechanism includes water cooling tank, cooling pipeline structure, circulation structure and drive pump, the cooling water for cooling granule is filled in the water cooling tank, and material body is cut into granule in the water cooling tank;Drying and polishing structure, including draining structure and roller, the roller includes drying section located at front portion and polishing section located at rear portion, drying structure for drying granule is arranged at the drying section, and polishing structure for polishing granule is arranged at the polishing section. The utility model extrusion, cooling, draining, drying, polishing integrated design, improve production efficiency and product quality, and the system drying efficiency is high, and polishing effect is good.

Description

Technical Field

[0001] This utility model relates to the field of hot melt adhesive production technology, and in particular to a hot melt adhesive granule production system. Background Technology

[0002] Hot melt adhesive granules are a type of polymer material that is solid at room temperature but exhibits good flowability and viscosity when heated, and is widely used in various industries. During production, cooling and setting are necessary to ensure molding quality. Traditional water-cooling equipment has long cooling water tanks, requiring the granules to be dried after cooling. After drying, additional polishing equipment is needed, further increasing production time. Moreover, the high residual moisture on the surface of the granules after cooling leads to prolonged subsequent drying times and low efficiency. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a hot melt adhesive granule production system with an integrated design of extrusion, cooling, draining, drying, and polishing, which improves production efficiency and product quality. The system boasts high drying efficiency and excellent polishing effect.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A hot melt adhesive granule production system, comprising:

[0006] An extrusion apparatus includes an extrusion structure for extruding a molten material and a pelletizing structure disposed on one side of the discharge end of the extrusion structure, the pelletizing structure being capable of cutting the material extruded from the extrusion structure to form pellets;

[0007] The water cooling mechanism includes a water cooling box disposed on one side of the discharge end of the extrusion structure, a cooling pipe structure connected to the water cooling box, a circulation structure for recycling cooling water, and a drive pump for pumping cooling water. The water cooling box is filled with cooling water for cooling the material particles, and the material is cut into particles inside the water cooling box.

[0008] The drying and polishing structure includes a draining structure connected to the cooling pipe structure and a roller with densely perforated walls connected to the draining structure. The roller includes a drying section at the front and a polishing section at the rear. The drying section is equipped with a drying structure for drying the material particles with hot air, and the polishing section is equipped with a polishing structure for polishing the material particles. The draining structure is used to separate the material particles from the cooling water in the cooling pipe structure. The circulation structure connects the draining structure and the water-cooled box.

[0009] According to some embodiments of the present invention, the draining structure includes a filter structure connected to the cooling pipe structure and a vibration structure connected to the filter structure. The filter structure is used to separate the material particles in the cooling pipe structure from the cooling water, and the vibration structure enables the material particles to drain water by vibration.

[0010] According to some embodiments of the present invention, the vibration structure includes a vibration base, a chassis disposed on the vibration base, and a central spiral groove disposed on the chassis. The bottom of the central spiral groove has a plurality of holes with a diameter smaller than that of the material particles. The vibration base enables the material particles to vibrate and rise along the central spiral groove and be conveyed to one side of the roller.

[0011] According to some embodiments of the present invention, the vibration structure further includes a water basin disposed below the central spiral groove.

[0012] According to some embodiments of the present invention, the filter structure includes a downwardly inclined screen with a plurality of holes having a diameter smaller than that of the material particles, allowing the material particles to move downward along the screen into the chassis.

[0013] According to some embodiments of the present invention, the circulation structure includes a filter pool disposed below the screen and a return pipe connecting the filter pool and the water-cooled box. The filter pool includes a filter screen structure for filtering impurities in the cooling water.

[0014] According to some embodiments of the present invention, the pelletizing structure includes a cutter extending into the water-cooled box and a drive motor disposed outside the water-cooled box for driving the cutter.

[0015] According to some embodiments of the present invention, the inner wall of the drum is provided with a plurality of spiral lifting plates arranged in a spiral shape, and the spiral lifting plates are used to turn over and transport the material particles.

[0016] According to some embodiments of the present invention, the drying structure includes a hot air duct arranged around the outside of the drum and a hot air structure for heating gas and blowing the heated gas to the hot air duct.

[0017] According to some embodiments of the present invention, the polishing structure includes a dispensing structure disposed above the drum and a discharge structure disposed below the drum. The dispensing structure can dispense polishing material into the drum, and the discharge structure is used to guide the polishing material in the drum to be discharged.

[0018] This utility model has at least the following beneficial effects:

[0019] The draining structure separates the cooled granules from the cooling water, reducing most of the residual moisture on the granule surface and decreasing subsequent drying energy consumption. After entering the drum, the granules tumble and roll with its rotation, ensuring even drying by the drying structure. The dense perforations around the drum wall promote hot air penetration, allowing for direct drying without a sealed space, facilitating rapid moisture evaporation and improving drying efficiency. The polishing structure allows for immediate polishing of the granules after drying and cooling. This integrated design of extrusion, cooling, draining, drying, and polishing improves production efficiency and product quality. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of one embodiment of the present utility model;

[0021] Figure 2 This is one embodiment of the present utility model. Figure 1 Enlarged view of the area marked A in the middle;

[0022] Figure 3 This is a schematic diagram of the drainage structure according to an embodiment of the present invention;

[0023] Figure 4 This is a schematic diagram of the drying and polishing structure according to one embodiment of the present invention. Detailed Implementation

[0024] This invention provides the following description with reference to the accompanying drawings to aid in a comprehensive understanding of the various embodiments of the invention as defined by the claims and their equivalents. The description includes various specific details to aid understanding, but these details should be considered exemplary only. Therefore, those skilled in the art will recognize that various changes and modifications can be made to the various embodiments described herein without departing from the scope and spirit of the invention.

[0025] In the description of this utility model, the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] It should be understood that when one element (e.g., the first element) is “connected” to another element (e.g., the second element), the element may be directly connected to the other element, or there may be an intervening element (e.g., the third element) between the element and the other element.

[0027] An embodiment of this utility model provides a hot melt adhesive granule production system, such as... Figure 1-4 As shown, it includes:

[0028] The extrusion apparatus 101 includes an extrusion structure 102 for extruding molten material and a pelletizing structure 103 disposed on one side of the discharge end of the extrusion structure 102. The pelletizing structure 103 can cut the material extruded from the extrusion structure 102 to form pellets 4.

[0029] The water cooling mechanism 201 includes a water cooling box 202 disposed on one side of the discharge end of the extrusion structure 102, a cooling pipe structure 203 connected to the water cooling box 202, a circulation structure 204 for recycling cooling water, and a drive pump for pumping cooling water. The water cooling box 202 is filled with cooling water for cooling the material particles 4, and the material is cut into material particles 4 inside the water cooling box 202.

[0030] The drying and polishing structure 301 includes a draining structure 302 connected to the cooling pipe structure 203 and a roller 303 with dense holes around its wall connected to the draining structure 302. The roller 303 includes a drying section at the front and a polishing section at the rear. The drying section is provided with a drying structure 304 for drying the material particles 4 with hot air, and the polishing section is provided with a polishing structure 305 for polishing the material particles 4. The draining structure 302 is used to separate the material particles 4 from the cooling water in the cooling pipe structure 203. The circulation structure 204 connects the draining structure 302 and the water-cooled box 202.

[0031] The extrusion structure 102 uniformly extrudes material through multiple discharge holes at its discharge end, which can precisely control the diameter of the material. A pelletizing structure 103 is located at the discharge end of the extrusion structure 102, precisely cutting the material extruded from the discharge holes into pellets 4 of a specific length. Both the discharge end of the extrusion structure 102 and the cutting portion of the pelletizing structure 103 are located within a water-cooling box 202, which is filled with cooling water. This allows the cut pellets 4 to instantly contact the cooling water, achieving rapid cooling and shaping, effectively preventing the pellets 4 from sticking or deforming. A drive pump pumps the mixture of cooling water and pellets 4 from the water-cooling box 202 into a cooling pipe structure 203 connected to the water-cooling box 202. The cooling pipe structure 203 extends the flow path of the cooling water, increasing the contact time between the pellets 4 and the cooling water, thus achieving complete cooling of the pellets 4. The cooling pipe structure 203 is placed in a horizontal or vertical S-shape or spiral shape, which not only extends the flow path of the cooling water but also reduces the floor space, improves space utilization, and further enhances the cooling effect. The circulation structure 204 is responsible for recovering the cooling water in the cooling pipe and returning it to the water-cooled box 202, realizing the recycling of cooling water.

[0032] The draining structure 302 separates the cooled material particles 4 from the cooling water, while the circulation structure 204 directly recovers the separated cooling water. The draining structure 302 can also drain the cooling water from the clumps of material particles 4 through centrifugal drying and vibration drying, reducing most of the residual moisture on the surface of the material particles 4 and reducing subsequent drying energy consumption. The drum 303 has dense holes around its wall and rotates around its own axis. The material particles 4 with moisture enter the drying section 101 inside the drum 303 from the feed end of the drum 303. As the drum 303 rotates, the material particles 4 are tumbled and rolled relative to each other towards the discharge end. The tumbling and rolling method can prevent the material particles 4 from piling up and ensure that the material particles 4 are dried evenly during tumbling. The dense holes around the drum 303 promote the penetration of hot air, and drying can be carried out directly without a closed space, which facilitates the direct evaporation of moisture and improves drying efficiency. The drying section and polishing section are actually spaced at a preset distance. This allows the material particles 4 to tumble and cool naturally in the middle after drying in the drying section, preventing them from agglomerating and clumping with the polishing powder during polishing due to excessive temperature, which would reduce product quality. The distance between them is determined by those skilled in the art based on the cooling effect. Furthermore, a cooling structure such as a cold air structure can be installed in this gap. Subsequently, the material particles 4 tumble into the polishing structure 305, where they are polished by the polishing material, polishing liner, and other structures. Finally, the material particles 4 are discharged, completing the process. The integrated design of extrusion, cooling, drying, and polishing reduces the floor space and the transmission distance and time during production. It also provides good drainage, high drying efficiency, and the integrated drying and polishing setup improves production efficiency.

[0033] In some embodiments, such as Figure 1 As shown, the drainage structure 302 includes a filter structure 306 connected to the cooling pipe structure 203 and a vibration structure 307 connected to the filter structure 306. The filter structure 306 is used to separate the material particles 4 in the cooling pipe structure 203 from the cooling water, and the vibration structure 307 can make the material particles 4 drain water by vibration.

[0034] The filter structure 306 efficiently separates the particle 4 from a large amount of cooling water. The particle 4 falls onto the vibrating structure 307, where vibration removes most of the moisture from its surface. The synergistic effect of the filter structure 306 and the vibrating structure 307 ensures the uniformity of the particle 4 during the draining process, providing a foundation for subsequent drying and polishing processes and further improving the efficiency of the entire production system. Specifically, the vibrating structure 307 can be a circular vibrating disc or a vibrating feeding structure that causes the particle 4 to vibrate and move simultaneously.

[0035] Furthermore, such as Figure 3As shown, the vibration structure 307 includes a vibration base 308, a chassis 309 disposed on the vibration base 308, and a central spiral groove 310 disposed on the chassis 309. The bottom of the central spiral groove 310 has a plurality of holes with a diameter smaller than that of the material particle 4. The vibration base 308 enables the material particle 4 to vibrate and rise along the central spiral groove 310 and be conveyed to one side of the roller 303.

[0036] Specifically, the chassis 309 is located below the channel connecting to the drain structure 302, without a rigid connection, ensuring that the material particles 4 can fall from the drain structure 302 into the chassis 309 without affecting the drain structure 302 due to the vibration of the chassis 309. This ensures that the material particles 4 can smoothly enter the central spiral groove 310 during vibration. The vibrating base 308 provides stable vibration power, facilitating the dispersed entry of the gathered material particles 4 into the central spiral groove 310. The multiple holes on the central spiral groove 310 facilitate the rise of the material particles 4 along the spiral groove and further drain the moisture on the surface of the material particles 4, ensuring that there are no large water droplets remaining on the surface of the material particles 4, thus providing a basis for rapid drying in the subsequent drying process.

[0037] Furthermore, such as Figure 3 As shown, the vibration structure 307 also includes a water basin 311 disposed below the central spiral groove 310.

[0038] The water basin 311 collects the cooling water that drips from the holes of the central spiral groove 310. The water basin 311 can be set at the bottom of the entire central spiral groove 310, or it can be spiraled along the bottom edge of the central spiral groove 310 or set layer by layer to prevent water from dripping randomly and keep the working environment clean. The cooling water collected by the water basin 311 can also be returned to the water cooling box 202 through the circulation structure 204 to further realize the recycling of cooling water.

[0039] Furthermore, such as Figure 3 As shown, the filter structure 306 includes a downwardly inclined screen 312 with a plurality of holes having a diameter smaller than that of the material particles 4, allowing the material particles 4 to move downward along the screen 312 into the base plate 309.

[0040] By utilizing the tilt angle and aperture size of the screen 312, the material particles 4 are effectively intercepted and allowed to slide down along the screen 312, thus achieving rapid separation of the material particles 4 from the cooling water.

[0041] Furthermore, such as Figure 3 As shown, the circulation structure 204 includes a filter pool 205 disposed below the screen 312 and a return pipe 206 connecting the filter pool 205 and the water cooling box 202. The filter pool 205 includes a filter screen structure 207 for filtering impurities in the cooling water.

[0042] The filter structure 207 can effectively remove impurities such as fine particles floating in the cooling water, preventing impurities from flowing back into the water cooling box 202 and affecting the cooling effect and equipment life. The filtered cooling water is then transported back to the water cooling box 202, realizing the recycling of cooling water.

[0043] In some embodiments, such as Figure 2 As shown, the pelletizing structure 103 includes a cutter 209 extending into the water-cooling box 202 and a drive motor disposed outside the water-cooling box 202 for driving the cutter 209.

[0044] The cutter 209 can directly cut the extruded material inside the water-cooled box 202, ensuring that the cutting process is carried out in a cooling environment to prevent the material particles 4 from sticking or deforming due to high temperature. At the same time, the drive motor is located outside the water-cooled box 202, avoiding corrosion and damage to the motor by the cooling water, thus improving the stability and service life of the equipment.

[0045] In some embodiments, such as Figure 4 As shown, the inner wall of the drum 303 is provided with a plurality of spiral lifting plates 313 arranged in a spiral shape. The spiral lifting plates 313 are used to turn over and transport the material particles 4.

[0046] When the drum 303 rotates, the spiral lifting plate 313 can drive the material particles 4 to rotate and be lifted upward along its side wall. Since the spiral lifting plate 313 is spirally arranged, it will also have a lateral displacement relative to the discharge end of the drum 303 during lifting. After being lifted to a certain height, it will be thrown to the bottom of the drum 303 under the action of gravity. Due to the lateral displacement relative to the discharge end of the drum 303, the landing point of the throwing will have a relative displacement with the starting point of the lifting. Thus, it can be transported from the feeding end side of the drum 303 to the discharge end side of the drum 303. The lifting and throwing action ensures that the material particles 4 are fully turned over in the drum 303, avoiding the accumulation of material particles 4 in the drum 303, thereby improving the efficiency and uniformity of drying and polishing.

[0047] Furthermore, such as Figure 4 As shown, the drying structure 304 includes a hot air duct 315 arranged around the outside of the drum 303 and a hot air structure 314 for heating gas and blowing the gas to the hot air duct 315. The gas blown out from the hot air duct 315 can pass through the drum 303 and be blown into the drum 303 to dry the material particles 4.

[0048] The hot air structure 314 heats the gas through a heating pump and other heating structures, and then blows the heated gas to the hot air duct 315 through a blower structure and other structures. The hot air is blown out of the duct and passes through the drum 303 which is covered with dense holes, so that the hot air can be evenly applied to the material particles 4 that are turning inside the drum 303. The temperature and air volume during the drying process can be flexibly adjusted to meet the drying needs of different materials. At the same time, the non-sealed hot air drying method is conducive to the rapid evaporation of moisture, preventing the material particles 4 from melting due to high temperature, and ensuring that the material particles 4 remain intact during the drying process.

[0049] Furthermore, such as Figure 4 As shown, the polishing structure 305 includes a feeding structure 316 disposed above the drum 303 and a discharge structure 317 disposed below the drum 303. The feeding structure 316 can feed polishing material into the drum 303, and the discharge structure 317 is used to guide the polishing material in the drum 303 to be discharged.

[0050] The polishing structure 305 places polishing material inside the drum 303 through the feeding structure 316, and achieves efficient polishing by utilizing the friction between the polishing material and the material particles 4 during tumbling, thereby improving the surface quality of the material particles 4. The feeding structure 316 is actually a feeding port set above the drum 303, and its top position makes it convenient for operators to add polishing material into the drum 303. The discharge structure 317 is actually a material collection structure such as a hopper set below the drum 303, which can smoothly discharge and collect the polishing material after periodic use, so as to facilitate the replacement of a new batch of polishing material.

[0051] The terms and words used in the foregoing description and claims are not limited to their literal meaning, but are merely used by the applicant to enable a clear and consistent understanding of the present invention. Therefore, those skilled in the art should understand that the foregoing description of various embodiments of the present invention is for illustrative purposes only, and not intended to limit the present invention as defined by the appended claims and their equivalents.

Claims

1. A hot melt adhesive granule production system, characterized in that, include: The extrusion device (101) includes an extrusion structure (102) for extruding molten material and a pelletizing structure (103) disposed on one side of the discharge end of the extrusion structure (102), the pelletizing structure (103) being capable of cutting the material extruded from the extrusion structure (102) to form pellets (4). The water cooling mechanism (201) includes a water cooling box (202) disposed on one side of the discharge end of the extrusion structure (102), a cooling pipe structure (203) connected to the water cooling box (202), a circulation structure (204) for recycling cooling water, and a drive pump for pumping cooling water. The water cooling box (202) is filled with cooling water for cooling the material particles (4), and the material is cut into material particles (4) in the water cooling box (202). The drying and polishing structure (301) includes a draining structure (302) connected to the cooling pipe structure (203) and a roller (303) with dense holes around its wall connected to the draining structure (302). The roller (303) includes a drying section at the front and a polishing section at the rear. The drying section is provided with a drying structure (304) for drying the material particles (4) by hot air. The polishing section is provided with a polishing structure (305) for polishing the material particles (4). The draining structure (302) is used to separate the material particles (4) from the cooling pipe structure (203). The circulation structure (204) connects the draining structure (302) and the water-cooled box (202).

2. The hot melt adhesive granule production system according to claim 1, characterized in that: The drainage structure (302) includes a filter structure (306) connected to the cooling pipe structure (203) and a vibration structure (307) connected to the filter structure (306). The filter structure (306) is used to separate the material particles (4) in the cooling pipe structure (203) from the cooling water, and the vibration structure (307) enables the material particles (4) to drain water by vibration.

3. The hot melt adhesive granule production system according to claim 2, characterized in that: The vibration structure (307) includes a vibration base (308), a chassis (309) disposed on the vibration base (308), and a central spiral groove (310) disposed on the chassis (309). The bottom of the central spiral groove (310) has a plurality of holes with a diameter smaller than that of the material particle (4). The vibration base (308) enables the material particle (4) to vibrate and rise along the central spiral groove (310) and be conveyed to one side of the roller (303).

4. The hot melt adhesive granule production system according to claim 3, characterized in that: The vibration structure (307) also includes a water basin (311) disposed below the central spiral groove (310).

5. The hot melt adhesive granule production system according to claim 3, characterized in that: The filter structure (306) includes a downwardly inclined screen (312) with a plurality of holes having a diameter smaller than that of the material particles (4), and the material particles (4) can move downward along the screen (312) into the chassis (309).

6. The hot melt adhesive granule production system according to claim 5, characterized in that: The circulation structure (204) includes a filter pool (205) disposed below the screen (312) and a return pipe (206) connecting the filter pool (205) and the water cooling box (202). The filter pool (205) includes a filter screen structure (207) for filtering impurities in the cooling water.

7. The hot melt adhesive granule production system according to claim 1, characterized in that: The pelletizing structure (103) includes a cutter (209) extending into the water-cooled box (202) and a drive motor disposed outside the water-cooled box (202) for driving the cutter (209).

8. A hot melt adhesive granule production system according to any one of claims 1-7, characterized in that: The inner wall of the drum (303) is provided with a plurality of spiral lifting plates (313) arranged in a spiral shape, which are used to turn over and transport the material particles (4).

9. A hot melt adhesive granule production system according to claim 8, characterized in that: The drying structure (304) includes a hot air duct (315) arranged around the outside of the drum (303) and a wind-heating structure (314) for heating the gas and blowing the heated gas to the hot air duct (315).

10. A hot melt adhesive granule production system according to claim 8, characterized in that: The polishing structure (305) includes a dispensing structure (316) disposed above the roller (303) and a discharge structure (317) disposed below the roller (303). The dispensing structure (316) can dispense polishing material into the roller (303), and the discharge structure (317) is used to guide the polishing material in the roller (303) to be discharged.

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