Device capable of improving EVA particle preparation efficiency

By designing column tubes, hollow tubes and communication devices in the EVA particle preparation device, and using the linkage rotation of the twisted dragon and the servo motor to achieve homogeneous saturation of hot air, the problem of low drying efficiency of hot air into the single tube port is solved, and EVA is improved Particle preparation efficiency and product quality.

CN222201268UActive Publication Date: 2024-12-20FUJIAN JIAYI PLASTIC CO LTD
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Patent Information

Application Number
CN202323459265.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-19
Publication Date
2024-12-20
Estimated Expiration
2033-12-19

AI Technical Summary

Technical Problem

The drying efficiency of the single-tube hot air in the existing EVA pellet preparation device is low, resulting in the drying quality not meeting the standards, and requires secondary reworking, which affects the product qualification rate for subsequent processing.

Method used

A device including column tube, hollow tube and communication device is designed. The bottom end of the hollow tube is connected to the outside of the column tube, and the first and second draw tubes are built-in. The twisting dragon and the servo motor are rotated in a coordinated manner and connected through a coupling. , realize the homogeneous saturation of hot air and double helix exhaust, and improve drying efficiency.

Benefits of technology

Through this device, the hot air is homogeneously saturated in the high and low levels in the hollow tube, ensuring the preheating and drying quality of EVA particles, avoiding rework, and improving subsequent preparation efficiency and product qualification rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a device capable of improving the EVA particle preparation efficiency, and relates to the technical field of EVA particle manufacturing, the device comprises a column tube, a hollow tube is fixedly arranged on a middle shaft in the column tube and is communicated with the interior of the column tube, the bottom end of the hollow tube is communicated with the exterior of the column tube, and the left side of the column tube is fixedly connected with a communication device and is communicated with the interior of the column tube; rotation is started through a servo motor, the auger in butt joint with a coupler can be linked to rotate, equipment for connecting hot air into a communication device is started, the hot air enters a column pipe and a hollow pipe, then a cleaning material is put into a hopper, enters the hollow pipe, is stably conveyed leftwards through the auger and makes contact with the hot air for preheating and drying treatment, and the cleaning material is cleaned. And hot air is discharged from the top of the hollow pipe through the through hole, and the built-in first suction pipe and the built-in second suction pipe accumulate the hot air through the communicating pipe and then are guided into the hollow pipe, so that the hot air at high and low levels in the hollow pipe is homogenized and saturated, the exhaust efficiency of the hot air adaptive to the auger axial flow double helix is improved, and the subsequent EVA particle preparation quality is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of EVA particle manufacturing, in particular to a device capable of improving the preparation efficiency of EVA particles. Background Art

[0002] EVA recycled material: also known as returned material, that is, the downstream factories that use raw materials will have some scraps or defective products in the process of using raw materials. After these are recycled and processed, they are recycled materials; the process flow of recycled granulation generally includes: recycling, classification - crushing and cleaning - thermoplastic extrusion molding - water cooling - granulation - bagging.

[0003] For example, the patent with announcement number CN218838284U discloses a raw material preheating device for preparing EVA particles, including a column tube, a hollow tube is fixedly provided on the central axis inside the column tube and is connected to the inside of the column tube, the right end of the hollow tube is connected to the outside of the column tube, a through opening is provided at the lower left end of the column tube, the outside of the hollow tube is fixedly connected to the column tube through a support rod, a suction tube is fixedly connected to the left side of the column tube and is connected to the inside of the column tube, and so on.

[0004] The above-mentioned crushing and cleaning is to crush and clean the recycled EVA materials. According to the heat flow direction, the hot air is preheated and dried. However, the single tube inlet of the column tube has low drying efficiency, and often the high-quality drying product requirements cannot be met. Secondary rework and drying treatment are required to meet the drying requirements. If the next step of processing is not reworked, the subsequent drying efficiency will affect the product qualification rate. Utility Model Content

[0005] Technical issues solved

[0006] In view of the shortcomings of the prior art, the utility model provides a device for improving the efficiency of preparing EVA particles, so as to solve the problem that the single tube inlet hot air drying efficiency of the column tube is low, and the high drying quality requirements of the products are often not met, and secondary rework and drying treatment are required to meet the drying requirements. If the next step of processing is not reworked, the subsequent drying efficiency will affect the product qualification rate.

[0007] Technical Solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a device that can improve the efficiency of EVA particle preparation, including a column tube, a hollow tube fixedly installed on the central axis inside the column tube and connected with the inside of the column tube, the bottom end of the hollow tube is connected with the outside of the column tube, a connecting device is fixedly connected to the left side of the column tube and connected with the inside of the column tube, the connecting device includes a first suction tube, a connecting tube, and a second suction tube, the first suction tube is connected with the connecting tube, the connecting tube is connected with the second suction tube, the first suction tube and the second suction tube are respectively arranged on the upper and lower sides of the left end face of the hollow tube, the top end of the inner side of the column tube is rotatably connected with an auger and is arranged inside the hollow tube, a coupling is provided on the top of the column tube and through holes are fixedly penetrated on both left and right sides, a hopper is fixedly connected to the upper left end of the column tube and is fixedly penetrated on both sides of the inside and outside of the hollow tube, and the top of the auger is fixedly connected to the output shaft of the servo motor through a coupling.

[0009] Preferably, the column tube is gradually inclined from bottom to top, which is convenient for the hollow tube to conduct the second suction tube to intake hot air at a low position, and also convenient for the first suction tube to conduct in the middle section of the hollow tube to supplement hot air, thereby improving the continuity and fullness of the upward heat flow.

[0010] Preferably, the first suction pipe and the second suction pipe on two outer sides of the connecting device are respectively connected to two groups of hot air equipment.

[0011] Preferably, the space from bottom to top inside the hopper is expanded to facilitate storage of EVA recycled materials, thereby achieving the effect of storage at the wide mouth of the hopper and compression at the narrow mouth of the hopper.

[0012] Preferably, the inner side of the first suction tube is connected with the inner side of the second suction tube through the inner side of the connecting tube.

[0013] Beneficial Effects

[0014] The utility model provides a device for improving the efficiency of preparing EVA particles, which has the following beneficial effects:

[0015] The device can improve the efficiency of preparing EVA particles. By starting the rotation of the servo motor, the auger connected to the coupling can be linked to rotate, so that the equipment connected to the hot air can be started, so that the hot air can enter the column tube and the hollow tube, and then the cleaning material is put into the hopper, and the cleaning material enters the hollow tube. The cleaning material is stably transported to the left by the auger, and the cleaning material contacts the hot air for preheating and drying. The hot air is discharged through the through hole at the top of the hollow tube, and the built-in first suction pipe and second suction pipe store hot air through the connecting pipe and then introduce it into the hollow tube, so that the high and low layers of hot air in the hollow tube are homogenized and saturated, and the hot air adaptation auger axial flow double-helix exhaust efficiency is improved, thereby ensuring the subsequent EVA particle preparation quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the vertical cross-section structure of the utility model;

[0018] In the figure: 1, column tube; 2, connecting device; 3, hopper; 4, coupling; 5, servo motor; 6, auger; 7, through hole; 11, hollow tube; 21, first extraction tube; 22, connecting tube; 23, second extraction tube. DETAILED DESCRIPTION

[0019] 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 in 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.

[0020] See also Figure 1-Figure 2 The utility model provides a device for improving the preparation efficiency of EVA particles, including a column tube 1, a hollow tube 11 is fixedly installed on the central axis inside the column tube 1 and is connected to the inside of the column tube 1, and the bottom end of the hollow tube 11 is connected to the outside of the column tube 1, thereby realizing the unloading and ventilation operations of the overall internal and external pipelines being connected, and the inner diameter of the through hole 7 on the outside of the hollow tube 11 can allow hot air to pass through, and its inner diameter is smaller than the diameter of the EVA particles, effectively preventing the particles from leaking out.

[0021] A connecting device 2 is fixedly connected to the left side of the column tube 1 and is connected to the inside of the column tube 1. The connecting device 2 includes a first suction tube 21, a connecting tube 22, and a second suction tube 23. The first suction tube 21 is connected to the connecting tube 22, and the connecting tube 22 is connected to the second suction tube 23. The first suction tube 21 and the second suction tube 23 are respectively arranged on the upper and lower sides of the left end surface of the hollow tube 11.

[0022] The top inner side of the column tube 1 is rotatably connected with an auger 6 which is arranged inside the hollow tube 11, a coupling 4 is provided on the top of the column tube 1 and through holes 7 are fixedly penetrated on both the left and right sides thereof, a hopper 3 is fixedly connected to the upper left end of the column tube 1 and is fixedly penetrated on both the inside and outside of the hollow tube 11, and the top end of the auger 6 is fixedly connected to the output shaft of the servo motor 5 through the coupling 4.

[0023] By starting the rotation of the servo motor 5, the auger 6 connected to the coupling 4 can be linked to rotate, so that the equipment connected to the hot air of the connecting device 2 is started, so that the hot air enters the column tube 1 and the hollow tube 11, and then the cleaning material is put into the hopper 3, and the cleaning material enters the hollow tube 11. The cleaning material is stably transported to the left by the auger 6, and the cleaning material contacts the hot air for preheating and drying. The hot air is discharged through the through hole 7 at the top of the hollow tube 11, and the built-in first suction pipe 21 and second suction pipe 23 store hot air through the connecting pipe 22 and then introduce it into the hollow tube 11, so that the high and low levels of hot air in the hollow tube 11 are homogenized and saturated, and the axial flow double-helix exhaust efficiency of the hot air adaptation auger 6 is improved, thereby ensuring the quality of subsequent EVA particle preparation and avoiding rework caused by uneven heating.

[0024] The column tube 1 is gradually inclined from bottom to top, so that when the auger 6 rotates to feed materials, no material squeezing will occur, thereby improving the drying effect, facilitating the low-position conduction of the hollow tube 11 to the second suction tube 23 to enter hot air, and also facilitating the conduction of the first suction tube 21 in the middle section of the hollow tube 11 to supplement hot air, thereby improving the continuity and fullness of the upward heat flow. The first suction tube 21 and the second suction tube 23 on the two outer sides of the connecting device 2 are respectively connected to two groups of hot air equipment, such as a hot air blower, etc.

[0025] It ensures the smoothness of the overall conduction nodes, and allows the hot air generated by the power source to effectively connect the entire circuit in series to achieve overall saturated intake, ventilation and exhaust effects.

[0026] The space from bottom to top inside the hopper 3 is expanded, which is convenient for storing EVA recycled materials, thereby achieving the effect of storing materials at the wide mouth of the hopper 3 and pressing materials at the narrow mouth, thereby increasing the storage capacity.

[0027] The power source also includes an electrically connected controller, which is electrically connected to the servo motor 5 and the device for taking in hot air from the outside.

[0028] The control method of the present invention is to control by manually starting and closing the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and wiring arrangement in detail.

[0029] The above description is only a specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application.

Claims

1. A device for improving the efficiency of EVA particle preparation, Features: It comprises a column tube (1), wherein a hollow tube (11) is fixedly mounted on the central axis of the column tube (1) and is in communication with the interior of the column tube (1), and the bottom end of the hollow tube (11) is in communication with the exterior of the column tube (1); A connecting device (2) is fixedly connected to the left side of the column tube (1) and is in communication with the interior of the column tube (1); the connecting device (2) comprises a first extraction tube (21), a connecting tube (22), and a second extraction tube (23); the first extraction tube (21) is in communication with the connecting tube (22), and the connecting tube (22) is in communication with the second extraction tube (23); the first extraction tube (21) and the second extraction tube (23) are respectively arranged on the upper and lower sides of the left end surface of the hollow tube (11); The top inner side of the column tube (1) is rotatably connected to an auger (6) which is arranged inside the hollow tube (11); a coupling (4) is provided at the top of the column tube (1) and through holes (7) are fixedly penetrated on both left and right sides of the column tube (1); a hopper (3) is fixedly connected to the upper left end of the column tube (1) and is fixedly penetrated on both inner and outer sides of the hollow tube (11); the top end of the auger (6) is fixedly connected to the output shaft of the servo motor (5) via the coupling (4).

2. A device for improving the efficiency of preparing EVA particles according to claim 1, Features: The column tube (1) is in a gradually decreasing inclination from bottom to top.

3. A device for improving the efficiency of preparing EVA particles according to claim 1, Features: The first suction pipe (21) and the second suction pipe (23) on the two outer sides of the connecting device (2) are respectively connected to two groups of hot air equipment.

4. A device for improving the efficiency of preparing EVA particles according to claim 1, Features: The space inside the hopper (3) is in an expanding shape from bottom to top.

5. A device for improving the efficiency of preparing EVA particles according to claim 1, Features: The inner side of the first extraction tube (21) is connected to the inner side of the second extraction tube (23) via the inner side of the connecting tube (22).