Plastic particle conveying device

By incorporating a detachable funnel and screw conveyor into the plastic granule conveying device, the problems of plastic granule adhesion and cleaning during conveying are solved, ensuring the color consistency of PET preforms.

CN223632393UActive Publication Date: 2025-12-05HON CHUAN FOOD PACKING QINGXIN CO LTD
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Patent Information

Application Number
CN202520028203.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2025-12-05
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

Existing plastic granule conveying devices are prone to granules adhering to the inner wall of the device due to static electricity during the conveying process, and are difficult to clean, resulting in color difference and color mixing problems when switching colors in PET bottle preform production.

Method used

A plastic granule conveying device including a funnel and a screw conveyor was designed. The funnel is equipped with an inlet, an outlet and a conveying port. The opening and closing of the outlet is controlled by a baffle. The screw conveyor is detachably connected to the funnel for easy cleaning of adhering plastic granules.

Benefits of technology

It achieves stable output of plastic granules, avoids residues, ensures production quality of PET preforms during color switching, and avoids color difference and color mixing problems.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bottle blank manufacturing, and provides a plastic particle conveying device which comprises a funnel and a spiral conveyor, the funnel is provided with a feeding port and a discharging port, and a baffle used for closing or opening the discharging port is arranged at the bottom of the funnel; a material conveying opening is further formed in one side of the funnel; and the spiral conveyor is detachably connected with the funnel and is used for outputting the plastic particles from the material conveying opening. The conveying device not only can stably output plastic particles, but also is convenient to disassemble and clean, so that the plastic particles are prevented from being left in the device when production is switched.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bottle blank manufacturing technical field, concretely to a plastic particle conveying device. BACKGROUND

[0002] PET bottle blank is a typical injection molding product, which is easy to transport, has uniform texture and good insulation, and is an intermediate product of plastic bottles, oil drums and other finished products.

[0003] The raw material of PET bottle blank is a polycondensate of terephthalic acid and ethylene glycol, which is generally produced by using granular raw materials and different color master batches in a specified ratio to produce PET bottle blanks of different colors.

[0004] In industrial production, the adding method of raw materials and color master batches has been automated to a certain extent, for example: CN219445769U discloses a plastic particle feeding device for plastic part processing, which comprises a hopper, a vibrating device, a fan, a sleeve and an auger conveyor, the vibrating device, the sleeve and the auger conveyor are arranged on the hopper, the lower part of the hopper is provided with supporting legs, a hopper is arranged above the hopper, the vibrating device is arranged in the hopper, one end of the sleeve is connected with one side of the hopper, the sleeve is provided with an auger conveyor, and the side of the sleeve is provided with a fan; the plastic particles are screened into the hopper through the vibrating device, and then the raw materials are output through the auger conveyor. However, the plastic particles will adhere to the inner wall of the device due to static electricity during the conveying process, and the auger conveyor cannot guarantee that all the plastic particles are conveyed out. This leads to color difference and even color mixing of PET bottle blanks when switching between different color production due to the residual plastic particles in the device.

[0005] The existing plastic particle conveying device is generally difficult to clean the inside. UTILITY MODEL CONTENTS

[0006] To solve the above technical problems, the utility model provides a plastic particle conveying device, which can not only stably output plastic particles, but also be easily disassembled and cleaned, so as to avoid the residual plastic particles in the device when switching production.

[0007] The technical scheme of the utility model is:

[0008] A plastic particle conveying device, comprising a hopper and a screw conveyor, the hopper is provided with a feeding port and a discharging port, the bottom of the hopper is provided with a baffle for closing or opening the discharging port; one side of the hopper is also provided with a feeding port; the screw conveyor is detachably connected with the hopper and is used for outputting plastic particles from the feeding port.

[0009] In the plastic particle conveying device, the hopper comprises an upper cavity and a lower cavity which are communicated with each other; the upper cavity is in a structure of wide at the upper part and narrow at the lower part, the feeding port is arranged on the upper cavity; the discharging port is arranged on the lower end surface of the lower cavity, and the conveying port is arranged on the side surface of the lower cavity.

[0010] In the plastic particle conveying device, the spiral conveyor comprises a driving motor which is detachably connected to the hopper, and a rotating shaft which is in transmission connection with the driving motor; the rotating shaft is provided with spiral blades for conveying the plastic particles.

[0011] In the plastic particle conveying device, the bottom of the hopper is provided with a support; the baffle is movably connected to the support so as to close or open the discharging port.

[0012] In the plastic particle conveying device, the driving motor is provided with buckles on both sides, and the hopper is provided with positioning members corresponding to the buckles, so that the driving motor is detachably connected to the hopper.

[0013] In the plastic particle conveying device, the hopper is provided with a pipe sleeve which extends outward at the conveying port; the rotating shaft passes through the pipe sleeve to output the plastic particles from the conveying port.

[0014] In the plastic particle conveying device, the pipe sleeve is detachably connected to the hopper.

[0015] In the plastic particle conveying device, the hopper is provided with an observation window.

[0016] The above technical solution of the utility model has at least one of the following advantages or beneficial effects:

[0017] The utility model discloses a feeding port, a discharging port and a conveying port are arranged on the hopper, and the discharging port is closed or opened through the baffle, so that the residual plastic particles in the device can be conveniently released, meanwhile, the spiral conveyor is detachably connected to the hopper, so that the device is convenient to disassemble, and then the plastic particles adhered to the inner wall of the hopper can be conveniently cleaned. DRAWINGS

[0018] Fig. 1 It is the overall three-dimensional schematic view of the embodiment 1 of the utility model;

[0019] Fig. 2 It is the partial three-dimensional schematic view of the embodiment 1 of the utility model;

[0020] Fig. 3 It is the side view of the embodiment 1 of the utility model;

[0021] Fig. 4The internal structure diagram of the embodiment 1 of the utility model Fig. 3 The internal structure diagram of the embodiment 1 of the utility model

[0022] Fig. 5 The top view of the embodiment 1 of the utility model.

[0023] The label corresponding relationship in the drawing is as follows:

[0024] Funnel 1, upper cavity 11, lower cavity 12, support 13, empty slot 131, observation window 14, positioning piece 15, spiral conveyor 2, driving motor 21, buckle 211, rotating shaft 22, baffle 3, pipe sleeve 4, feed inlet 101, discharge outlet 102, material conveying port 103. Specific implementation

[0025] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] Embodiment 1

[0027] Reference Figs. 1-5 A plastic particle conveying device, including funnel 1 and spiral conveyor 2, the funnel 1 is equipped with feed inlet 101, discharge outlet 102, the bottom of the funnel 1 is equipped with baffle 3 for closing or opening the discharge outlet 102, one side of the funnel 1 is also equipped with material conveying port 103, the spiral conveyor 2 is detachably connected with the funnel 1 and is used for outputting plastic particles from the material conveying port 103.

[0028] In actual application, plastic particles enter the funnel 1 from the feed inlet 101, at this time, the baffle 3 closes the discharge outlet 102, then the plastic particles are output from the material conveying port 103 under the driving of the spiral conveyor 2, when it is needed to switch different colors or different raw materials of PET bottle blank, the baffle 3 is adjusted, the discharge outlet 102 is opened, and the plastic particles remaining in the funnel 1 are discharged from the discharge outlet 102, thereby avoiding that the plastic particles of the last batch remain in the funnel 1 and affect the production of the next batch. Secondly, the spiral conveyor 2 is detachably connected with the funnel 1, after the staff detaches and separates the two, the plastic particles adhered to the inner wall of the funnel 1 due to static electricity and other reasons can be cleaned.

[0029] The funnel 1 is provided with a feeding port 101, a discharging port 102 and a conveying port 103, and then the discharging port 102 is closed or opened by the baffle 3, so as to facilitate the release of the residual plastic particles in the device, and meanwhile, the screw conveyor 2 is detachably connected with the funnel 1, so that the device is convenient to disassemble, and then the plastic particles adhered to the inner wall of the funnel 1 are convenient to clean. When the production of PET bottle blanks of different colors is switched, the problems of color difference and color mixing of the PET bottle blanks can be avoided.

[0030] In the embodiment, specifically, the funnel 1 comprises an upper cavity 11 and a lower cavity 12 which are in communication with each other; the upper cavity 11 has a structure of wide at the top and narrow at the bottom, and the feeding port 101 is arranged on the upper cavity 11; the discharging port 102 is arranged on the lower end face of the lower cavity 12, and the conveying port 103 is arranged on the side face of the lower cavity 12. More specifically, the lower cavity 12 of the funnel 1 is a cuboid, and the lower end face thereof is open as the discharging port 102, and one of the side faces is provided with the conveying port 103. Under the above design, the structure of wide at the top and narrow at the bottom can avoid the adhesion of plastic particles to the inner wall of the upper cavity 11 as much as possible, and the lower cavity 12 can be filled with plastic particles to facilitate the output along the conveying port 103.

[0031] In the embodiment, the screw conveyor 2 comprises a driving motor 21 which is detachably connected with the funnel 1, and a rotating shaft 22 which is in transmission connection with the driving motor 21; and the rotating shaft 22 is provided with a spiral blade (not shown in the figure) for conveying plastic particles. In the embodiment, specifically, the driving motor 21 is arranged on the side opposite to the conveying port 103.

[0032] In actual application, the funnel 1 is provided with a pipe sleeve 4 which extends outward at the conveying port 103; and the rotating shaft 22 penetrates through the pipe sleeve 4 to output the plastic particles from the conveying port 103.

[0033] Under the above design, since the lower cavity 12 is filled with plastic particles, when the rotating shaft 22 rotates in the lower cavity 12, the spiral blade can carry the plastic particles from the conveying port 103 into the pipe sleeve 4, and the pipe sleeve 4 and the rotating shaft 22 form a structure like a screw conveyor, so as to continuously output the plastic particles to the outside of the device.

[0034] Preferably, the pipe sleeve 4 is detachably connected with the funnel 1, and specifically, the pipe sleeve 4 and the funnel 1 are fastened by bolts. Under the above design, all the components of the device can be disassembled and cleaned, and further, the residual plastic particles of the previous batch can be prevented from remaining in the device.

[0035] In the embodiment, the bottom of the hopper 1 is provided with a support 13, and the baffle 3 is movably connected to the support 13 to close or open the discharge port 102. Preferably, the support 13 is provided with a slot 131 for the baffle 3 to be inserted into, and when the baffle 3 is inserted into the slot 131, the support 13 limits the baffle 3 to move up and down, and the baffle 3 is inserted into a certain position to close the discharge port 102, and vice versa, the baffle 3 is pulled out to a certain position to open the discharge port 102. The operation is simple, fast and convenient.

[0036] As a preferred embodiment, the hopper 1 is provided with three observation windows 14 arranged on one side of the hopper 1, so that the workers can observe whether there are residual plastic particles in the hopper 1 through the three observation windows 14, and if there are no residual plastic particles, the workers do not need to disassemble the components, thereby saving time. Of course, the number and installation position of the observation windows 14 are not limited in the embodiment, and the number and installation position of the observation windows 14 can be changed according to different shapes of the hopper 1.

[0037] As a preferred embodiment, the two sides of the driving motor 21 are respectively provided with buckles 211, and the hopper 1 is provided with positioning members 15 corresponding to the buckles 211, so that the driving motor 21 is detachably connected to the hopper 1.

[0038] In the above preferred embodiment, the driving motor 21 is simply and firmly mounted on the hopper 1, and is convenient to mount and dismount.

[0039] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A plastic particle conveying device comprising a hopper and a screw conveyor, said hopper being provided with a feed inlet, a discharge outlet, characterized in that, The bottom of the hopper is provided with a baffle for closing or opening the discharge port; one side of the hopper is further provided with a feeding port; the screw conveyor is detachably connected with the hopper and is used for outputting plastic particles from the feeding port.

2. The plastic pellet conveying apparatus according to claim 1, wherein The hopper comprises an upper cavity and a lower cavity which are in communication with each other; the upper cavity has a structure of being wide at the top and narrow at the bottom; the feeding port is arranged on the upper cavity; the discharge port is arranged on the lower end surface of the lower cavity; and the feeding port is arranged on the side surface of the lower cavity.

3. The plastic pellet conveying apparatus according to claim 1, wherein The screw conveyor comprises a driving motor which is detachably connected with the hopper, and a rotating shaft which is in driving connection with the driving motor; the rotating shaft is provided with a spiral blade which is used for conveying plastic particles.

4. The plastic pellet conveying apparatus according to claim 1, wherein The bottom of the hopper is provided with a support; the baffle is movably connected with the support so as to close or open the discharge port.

5. The plastic pellet conveying apparatus according to claim 3, wherein The two sides of the driving motor are respectively provided with buckles; the hopper is provided with positioning members which correspond to the buckles, so that the driving motor is detachably connected with the hopper.

6. The plastic pellet conveying apparatus according to claim 3, wherein The feeding port of the hopper is provided with a pipe sleeve which extends outwardly; the rotating shaft penetrates through the pipe sleeve so as to output plastic particles from the feeding port.

7. The plastic pellet conveying apparatus according to claim 6, wherein The pipe sleeve is detachably connected with the hopper.

8. The plastic pellet conveying apparatus of claim 1, wherein, The hopper is provided with an observation window.

Citation Information

Patent Citations

  • Plastic particle feeding device for plastic part machining

    CN219445769U