A bottle mouth polishing device for processing PET plastic bottles

CN224688662UActive Publication Date: 2026-08-28HEZE RUICHENG PLASTIC PACKAGING CO LTD
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Patent Information

Application Number
CN202522138966.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-10
Publication Date
2026-08-28
Estimated Expiration
2035-10-10

AI Technical Summary

Technical Problem

目前,行业内常用的PET塑料瓶瓶口打磨设备,在对瓶体进行固定时,普遍依赖额外的专用夹具:这类夹具需根据PET塑料瓶的规格(如直径、高度)进行针对性调节或更换,操作繁琐且耗时,当生产线上需切换不同规格瓶体时,需停机调整夹具参数,严重影响加工效率

Benefits of technology

[0014](1)、该PET塑料瓶加工用瓶口打磨设备,弹性夹持体可贴合瓶身并弹性调节,既能稳固固定瓶体防止打磨移位,又能避免损伤瓶身;L型柱与限位柱配合限制压块偏移,确保压块紧密压紧瓶体顶面,进一步提升瓶体固定效果,避免了使用夹具的麻烦操作。

✦ Generated by Eureka AI based on patent content.

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    Figure CN224688662U_ABST
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Abstract

The utility model relates to bottle mouth polishing technical field, and disclose a PET plastic bottle processing is with bottle mouth polishing equipment, including work table, the top surface fixed mounting of work table has L type fixed plate, the inner surface fixed mounting of L type fixed plate has hydraulic cylinder, the end fixed mounting of hydraulic cylinder has motor, the output fixed mounting of motor has connecting column, the outer wall of connecting column lower extreme portion is established annular groove and is rotationally arranged with the pressure block, the bottom surface fixed mounting of pressure block has elastic polishing body, the below of elastic polishing body is provided with a plurality of annular array distribution's elastic clamping body. This PET plastic bottle processing is with bottle mouth polishing equipment, and elastic clamping body can be attached bottle body and elastic regulation, can steady fixed bottle body and prevent polishing displacement, can also avoid damaging bottle body, L type post and spacing post cooperate and limit pressure block deviation, ensure that pressure block is tightly pressed and is pressed bottle body top surface, further promote bottle body fixed effect, avoid the troublesome operation of using clamp.
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Description

Technical Field

[0001] This utility model relates to the field of bottle mouth polishing technology, specifically to a bottle mouth polishing device for processing PET plastic bottles. Background Technology

[0002] PET plastic bottles are hollow containers made primarily of PET resin through processes such as injection molding and blow molding. They are widely used in the packaging industry, such as for bottled drinking water, carbonated beverages, juices, tea drinks, and other beverage packaging, as well as containers for edible oils, condiments, and daily chemical personal care products (such as shampoo and shower gel samples). They are one of the most common packaging carriers in daily life and industrial production.

[0003] In the processing and production of PET plastic bottles, the flatness and smoothness of the bottle neck directly affect the sealing performance of the subsequent bottle cap and the user experience. Therefore, bottle neck polishing is one of the key processing steps. Currently, the bottle neck polishing equipment commonly used in the industry generally relies on additional special fixtures to fix the bottle body. These fixtures need to be adjusted or replaced according to the specifications of the PET plastic bottle (such as diameter and height), which is cumbersome and time-consuming. When different bottle sizes need to be switched on the production line, the machine needs to be stopped to adjust the fixture parameters, which seriously affects processing efficiency.

[0004] To address this issue, we propose a bottle neck grinding device for PET plastic bottle processing. Utility Model Content

[0005] The purpose of this invention is to provide a bottle mouth grinding device for processing PET plastic bottles, which solves the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a bottle neck grinding device for processing PET plastic bottles, comprising a worktable, an L-shaped fixing plate fixedly installed on the top surface of the worktable, a hydraulic cylinder fixedly installed on the inner surface of the L-shaped fixing plate, a motor fixedly installed at the end of the hydraulic cylinder, a connecting column fixedly installed at the output end of the motor, a pressure block rotatably disposed in an annular groove on the outer wall of the lower end of the connecting column, an elastic grinding body fixedly installed on the bottom surface of the pressure block, a plurality of elastic clamping bodies arranged in a circular array below the elastic grinding body, a fixing block fixedly installed at the bottom end of the elastic clamping body, and the bottom end of the fixing block fixedly installed on the top surface of the worktable.

[0007] Preferably, support legs are fixedly installed on the bottom surface of the four corners of the workbench, and reinforcing rods are fixedly installed between each pair of adjacent support legs. The support legs stably support the workbench, and the reinforcing rods further enhance the overall structural strength, prevent the equipment from shaking during operation, and ensure grinding stability.

[0008] Preferably, a limiting plate is fixedly installed on the outer surface of the motor. The end of the limiting plate away from the motor is slidably set with a limiting groove opened on the inner surface of the L-shaped fixing plate. The limiting plate and the limiting groove cooperate to limit the trajectory of the motor's up and down movement, prevent the motor from deviating, and ensure that the grinding component is accurately aligned with the bottle mouth.

[0009] Preferably, two symmetrically arranged rubber strips are fixedly installed on the inner wall of the limiting groove. The rubber strips are in contact with the side of the limiting plate. The rubber strips can buffer the sliding impact, avoid jamming, and make the motor move more smoothly.

[0010] Preferably, the elastic polishing body is arc-shaped and made of elastic sheet material. The arc shape fits the contour of the PET bottle mouth. The elastic sheet can adapt to the slight curvature of the bottle mouth, achieve uniform polishing, and avoid rigid contact that could scratch the bottle mouth.

[0011] Preferably, the elastic clamping body is arc-shaped and made of elastic sheet material. The arc-shaped structure fits the bottle body, and the elastic sheet can be adjusted according to the size of the bottle body. This not only firmly clamps the bottle to prevent displacement during polishing, but also does not damage the bottle body and is compatible with PET bottles of different specifications.

[0012] Preferably, an L-shaped column is fixedly installed on the outer wall of the pressing block, and a limiting column is slidably sleeved on the lower end of the L-shaped column. The bottom end of the limiting column is fixedly installed on the top surface of the workbench. The L-shaped column and the limiting column cooperate to restrict the rotation and displacement of the pressing block, ensuring that the pressing block can tightly press the top surface of the bottle.

[0013] This utility model provides a bottle neck grinding device for processing PET plastic bottles. This bottle neck grinding device for processing PET plastic bottles has the following beneficial effects:

[0014] (1) The bottle mouth grinding equipment for PET plastic bottle processing has an elastic clamp that can fit the bottle body and be adjusted elastically. It can not only fix the bottle body firmly to prevent it from shifting during grinding, but also avoid damaging the bottle body. The L-shaped column and the limiting column work together to limit the displacement of the pressure block, ensuring that the pressure block is tightly pressed against the top surface of the bottle body, further improving the bottle body fixing effect and avoiding the troublesome operation of using clamps.

[0015] (2) The bottle mouth grinding equipment for PET plastic bottle processing has a limiting plate and a limiting groove that limit the movement trajectory of the motor. The rubber strip buffers the sliding impact, making the motor move more smoothly and ensuring that the grinding components are accurately aligned with the bottle mouth. The arc-shaped elastic grinding body fits the contour of the bottle mouth and can adapt to the slight curvature of the bottle mouth to achieve uniform grinding. At the same time, it avoids rigid contact that scratches the bottle mouth and ensures the grinding quality. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a bottle mouth grinding device for processing PET plastic bottles according to this utility model;

[0017] Figure 2 This utility model relates to a bottle neck grinding device for processing PET plastic bottles. Figure 1 Enlarged structural diagram at point A in the diagram;

[0018] Figure 3 This is a schematic diagram of the elastic grinding body structure in a bottle mouth grinding device for PET plastic bottle processing according to this utility model;

[0019] Figure 4 This is a cross-sectional view of the pressing block and limiting column in a bottle mouth grinding device for PET plastic bottle processing according to this utility model.

[0020] In the diagram: 1. Workbench; 2. Support leg; 3. L-shaped fixing plate; 4. Hydraulic cylinder; 5. Motor; 6. Connecting column; 7. Limiting groove; 8. Limiting plate; 9. Rubber strip; 10. Pressure block; 11. Elastic grinding body; 12. L-shaped column; 13. Limiting column; 14. Fixing block; 15. Elastic clamping body. Detailed Implementation

[0021] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described with reference to the accompanying drawings.

[0022] like Figure 1-4As shown, this utility model provides a technical solution: a bottle neck grinding device for processing PET plastic bottles, including a worktable 1. Support legs 2 are fixedly installed on the bottom surface of the four corners of the worktable 1. Reinforcing rods are fixedly installed between each pair of adjacent support legs 2. The support legs 2 stably support the worktable 1, and the reinforcing rods further enhance the overall structural strength, prevent shaking during equipment operation, and ensure grinding stability. An L-shaped fixing plate 3 is fixedly installed on the top surface of the worktable 1. A hydraulic cylinder 4 is fixedly installed on the inner surface of the L-shaped fixing plate 3. A motor 5 is fixedly installed at the end of the hydraulic cylinder 4. After the surface is fixedly installed, the limiting plate 8 is slidably set with the end of the limiting plate 8 away from the motor 5 and the limiting groove 7 opened on the inner surface of the L-shaped fixing plate 3. The limiting plate 8 and the limiting groove 7 cooperate to limit the vertical movement trajectory of the motor 5, prevent the motor 5 from deviating, and ensure that the grinding component is accurately aligned with the bottle mouth. Two symmetrically arranged rubber strips 9 are fixedly installed on the inner wall of the limiting groove 7. The rubber strips 9 are in contact with the side of the limiting plate 8. The rubber strips 9 can buffer the sliding impact, avoid jamming, and make the movement of the motor 5 more stable. A connecting post 6 is fixedly installed at the output end of the motor 5. The outer wall of the lower end of the connecting post 6 A pressure block 10 is rotatably mounted in the annular groove. An elastic polishing body 11 is fixedly installed on the bottom surface of the pressure block 10. The elastic polishing body 11 is arc-shaped and made of elastic sheet material. Its arc shape conforms to the contour of the PET bottle mouth, allowing it to adapt to the slight curvature of the bottle mouth for uniform polishing while avoiding rigid contact that could scratch the bottle mouth. Below the elastic polishing body 11 are multiple elastic clamping bodies 15 arranged in a circular array. These clamping bodies 15 are arc-shaped and made of elastic sheet material, their arc structure conforming to the bottle body. The elastic sheet can adjust its shape according to the bottle size. The adjustable inch gripper can firmly hold the bottle to prevent displacement during polishing without damaging the bottle body, and is compatible with PET bottles of different sizes. The bottom end of the elastic gripper 15 is fixedly installed with a fixing block 14, and the bottom end of the fixing block 14 is fixedly installed on the top surface of the workbench 1. The outer wall of the pressure block 10 is fixedly installed with an L-shaped post 12, and the lower end of the L-shaped post 12 is slidably fitted with a limiting post 13. The bottom end of the limiting post 13 is fixedly installed with the top surface of the workbench 1. The L-shaped post 12 and the limiting post 13 cooperate to restrict the rotation and displacement of the pressure block 10, ensuring that the pressure block 10 can tightly press the top surface of the bottle.

[0023] When using this PET plastic bottle processing bottle mouth grinding equipment, the bottle body is first clamped between multiple elastic clamping bodies 15. After the bottle body is stably clamped, the operator starts the hydraulic cylinder 4, causing the motor 5 to move downward. During the movement of the motor rubber 5, the connecting column 6 can be driven to move downward. The downward movement of the connecting column 6 can cause the pressure block 10 to move downward until the bottom surface of the pressure block 10 tightly presses against the top surface of the bottle body. At this time, the elastic grinding body 11 smoothly enters the bottle mouth and contacts the inner wall of the bottle mouth. At the same time, the L-shaped column 12 is fitted into the limiting column 13, restricting the rotation and displacement of the pressure block 10, ensuring that the pressure block 10 can tightly press against the top surface of the bottle body. At this time, the bottle body can be completely clamped, avoiding the use of clamping tools. Finally, starting the motor 5 can make the connecting column 6 rotate, realizing the rotation grinding work of the elastic grinding body 11.

[0024] The above description is merely an illustrative embodiment of this utility model and is not intended to limit the scope of this utility model. Any equivalent changes and modifications made by those skilled in the art without departing from the concept and principles of this utility model should fall within the protection scope of this utility model. Furthermore, it should be noted that the components of this utility model are not limited to the overall application described above. Each technical feature described in the specification of this utility model can be used individually or in combination as needed. Therefore, this utility model naturally covers other combinations and specific applications related to the points of this utility model.

Claims

1. A bottle neck grinding device for processing PET plastic bottles, comprising a worktable (1), characterized in that: An L-shaped fixing plate (3) is fixedly installed on the top surface of the workbench (1). A hydraulic cylinder (4) is fixedly installed on the inner surface of the L-shaped fixing plate (3). A motor (5) is fixedly installed at the end of the hydraulic cylinder (4). A connecting column (6) is fixedly installed at the output end of the motor (5). A pressure block (10) is rotatably installed in the annular groove on the lower end of the connecting column (6). An elastic grinding body (11) is fixedly installed on the bottom surface of the pressure block (10). Multiple elastic clamping bodies (15) arranged in an annular array are arranged below the elastic grinding body (11). A fixing block (14) is fixedly installed at the bottom end of the elastic clamping body (15). The bottom end of the fixing block (14) is fixedly installed on the top surface of the workbench (1).

2. The bottle neck grinding equipment for processing PET plastic bottles according to claim 1, characterized in that: Support legs (2) are fixedly installed on the bottom surface of the four corners of the workbench (1), and reinforcing rods are fixedly installed between two adjacent support legs (2).

3. The bottle neck grinding equipment for processing PET plastic bottles according to claim 1, characterized in that: The limiting plate (8) is fixedly installed on the outer surface of the motor (5), and the end of the limiting plate (8) away from the motor (5) slides with the limiting groove (7) opened on the inner surface of the L-shaped fixing plate (3).

4. The bottle neck grinding equipment for processing PET plastic bottles according to claim 3, characterized in that: The inner wall of the limiting groove (7) is fixedly installed with two symmetrically arranged rubber strips (9), and the rubber strips (9) are in contact with the side of the limiting plate (8).

5. The bottle neck grinding equipment for processing PET plastic bottles according to claim 1, characterized in that: The elastic polishing body (11) is arc-shaped and is made of elastic sheet material.

6. The bottle neck grinding equipment for processing PET plastic bottles according to claim 1, characterized in that: The elastic clamping body (15) is arc-shaped and is made of elastic sheet material.

7. The bottle neck grinding equipment for processing PET plastic bottles according to claim 1, characterized in that: An L-shaped column (12) is fixedly installed on the outer wall of the pressure block (10), and a limiting column (13) is slidably sleeved on the lower end of the L-shaped column (12). The bottom end of the limiting column (13) is fixedly installed on the top surface of the workbench (1).