Quantitative feeding machine for plastic granulator

By designing a quantitative feeder with adjustable quantitative space and feed opening in the plastic granulator, the problems of uneven feeding and material blockage caused by fixed quantitative box are solved, and flexible quantitative control and anti-blocking effect are achieved.

CN223790829UActive Publication Date: 2026-01-13GAOTANG COUNTY JULONGTAI ENVIRONMENTAL PROTECTION MATERIALS TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520079301.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2026-01-13
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

The fixed size of the metering box in existing plastic granulators cannot meet different metering requirements and is prone to plastic granule leakage and blockage.

Method used

Design a quantitative feeder for a plastic granulator, which adopts an adjustable device for the quantitative space and the size of the feed opening, combined with a conical anti-clogging structure, to achieve flexible adjustment of the quantitative space and the feed opening.

Benefits of technology

It enables the quantitative space capacity to be adjusted according to demand, avoiding leakage and blockage of plastic particles, and ensuring the uniformity and stability of feeding.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of pelletizers, and discloses a quantitative feeder for a plastic pelletizer, which comprises a quantitative device for circularly rotating and quantitatively feeding, and an adjusting device mounted on one side of the quantitative device and used for telescopically adjusting the size of a quantitative space and synchronously adjusting the size of a feeding opening, a conical anti-blocking material receiving device used for receiving plastic particles is mounted at the top of the quantifying device; the adjusting device comprises an electric push rod, a fixing block is installed at the extension end of the electric push rod, and a compression assembly is rotationally installed on the side, away from the electric push rod, of the fixing block. According to the quantitative feeding machine for the plastic granulator, the size of the quantitative space is adjusted in a telescopic mode, the compression amount of the quantitative space is changed in a telescopic mode, and therefore the capacity of the quantitative space is changed, the quantitative space is adjusted, and different quantitative requirements are met; and by synchronously adjusting the size of the feeding opening, the size of the feeding opening of the measuring hopper is automatically adjusted, and plastic particle leakage is avoided.
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Description

Technical Field

[0001] This utility model belongs to the field of granulators, and in particular relates to a quantitative feeder for a plastic granulator. Background Technology

[0002] When recycling plastic film from agricultural greenhouses, a granulator is needed. A granulator is a device that reprocesses plastic waste into granular plastic. It is mainly used to process waste plastic film, woven bags, agricultural convenience bags, etc. It is applicable to most common waste plastics and is the most widely used plastic recycling processing machinery in the waste plastic recycling industry. When using a granulator, the crushed waste plastic needs to be fed into the granulator. In order to ensure the uniformity of feeding, a quantitative feeder is used. Quantitative feeding is an important step to ensure the stable quality of plastic granule production.

[0003] Comparing with Chinese Patent No. CN221641488U, a quantitative feeding mechanism based on a granulator is disclosed, including a mounting base. The top of the mounting base is fixedly equipped with a granulator body and a mounting frame. A storage box is fixedly equipped inside the mounting frame. A feed pipe is fixedly equipped at the bottom of the storage box. A quantitative box is fixedly equipped on the surface of the feed pipe. A reinforcing component is provided on the surface of the quantitative box. A servo motor is fixedly equipped on the right side of the quantitative box. A rotating shaft is fixedly equipped at the output end of the servo motor. A mounting sleeve is fixedly equipped on the surface of the rotating shaft. A quantitative plate is fixedly equipped on the surface of the mounting sleeve. A discharge pipe is fixedly equipped at the bottom of the quantitative box. A feed hopper is overlapped at the bottom of the discharge pipe. The feed hopper is fixedly installed at the feed port of the granulator body. A feeding component is provided on the top of the mounting base to facilitate feeding the storage box.

[0004] The aforementioned patent uses a rotating metering box for uniform metering, but the box has a fixed size and the capacity of each metering space cannot be adjusted, thus failing to meet different metering requirements. Therefore, a new device needs to be designed. Utility Model Content

[0005] The purpose of this invention is to provide a quantitative feeder for a plastic granulator to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A quantitative feeder for a plastic granulator includes a quantitative device for cyclically rotating quantitative feeding, and an adjustment device installed on one side of the quantitative device for telescopically adjusting the size of the quantitative space and synchronously adjusting the size of the feed opening. A receiving device for receiving plastic granules and a conical anti-clogging device is installed on the top of the quantitative device.

[0008] The adjusting device includes an electric push rod, a fixed block is installed at the extended end of the electric push rod, a compression component is rotatably installed on the side of the fixed block away from the electric push rod, and a material blocking component is fixedly installed on the outside of the fixed block;

[0009] The receiving device includes a receiving hopper, an adjustment port is provided on one side of the bottom of the receiving hopper, a conical platform is provided in the adjustment port, and a sliding plate is provided on the conical platform.

[0010] Furthermore: the metering device includes a support frame, a metering hopper is mounted on the top of the support frame, a separating component is rotatably mounted inside the metering hopper, and a discharge hopper is mounted below the metering hopper.

[0011] Furthermore: the compression assembly includes a rotating frame, on one side of which six fixed rods are evenly arranged, and an adjustment plate is installed at the end of each fixed rod away from the rotating frame.

[0012] Furthermore: the baffle assembly includes a fixed plate, a baffle plate is provided on the top of the fixed plate, the baffle plate is slidably connected to the metering hopper, and the conical platform is bolted to the baffle plate.

[0013] Furthermore: the separating component includes a rotating shaft, a motor is mounted on one side of the rotating shaft, and six metering plates are evenly arranged on the rotating shaft, the metering plates being welded to the rotating shaft.

[0014] Furthermore, the slide plate is slidably connected to the receiving hopper.

[0015] Compared with existing technologies, the beneficial effects are:

[0016] 1. By adjusting the size of the quantitative space through a telescoping setting, the compression amount of the quantitative space can be changed, thereby altering the capacity of the quantitative space and meeting different quantitative needs.

[0017] 2. By synchronously adjusting the size of the feed opening, the size of the feed opening in the metering hopper is automatically adjusted while the metering space capacity is adjusted, thus preventing the leakage of plastic particles.

[0018] 3. The conical anti-blocking design ensures that the baffle plate has a certain taper, preventing material accumulation and blockage. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of a quantitative feeder for a plastic granulator according to the present invention;

[0020] Figure 2 This is a schematic diagram of the metering device of a metering feeder for a plastic granulator according to the present invention;

[0021] Figure 3 This is a schematic diagram of the adjusting device of a quantitative feeder for a plastic granulator according to the present invention;

[0022] Figure 4 This is a schematic diagram of the receiving device of a quantitative feeder for a plastic granulator according to the present invention.

[0023] In the attached drawings, the following are the reference numerals: 101, support frame; 102, metering hopper; 103, rotating shaft; 104, metering plate; 105, motor; 106, discharge hopper; 201, electric push rod; 202, fixing block; 203, rotating frame; 204, fixing rod; 205, adjusting plate; 206, fixing plate; 207, baffle plate; 301, receiving hopper; 302, adjusting port; 303, sliding plate; 304, conical platform. Detailed Implementation

[0024] 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.

[0025] Please see Figures 1-4 A quantitative feeder for a plastic granulator includes a quantitative device for cyclically rotating quantitative feeding, and an adjustment device installed on one side of the quantitative device for telescopically adjusting the size of the quantitative space and synchronously adjusting the size of the feed opening. A receiving device for receiving plastic granules and a conical anti-clogging device is installed on the top of the quantitative device.

[0026] In this embodiment: the metering device includes a support frame 101, a metering hopper 102 is installed on the top of the support frame 101, a separating component is rotatably installed inside the metering hopper 102, and a discharge hopper 106 is installed below the metering hopper 102. The separating component includes a rotating shaft 103, a motor 105 is installed on one side of the rotating shaft 103, and six metering plates 104 are evenly arranged on the rotating shaft 103. The metering plates 104 are welded to the rotating shaft 103. The six metering plates 104 divide the metering hopper 102 into six metering spaces. In use, the motor 105 first drives the rotating shaft 103 to rotate the metering plates 104 in a cycle. Then, the plastic granules are poured into the receiving device, so that they fall into the metering space in the metering hopper 102 and are conveyed downward in the metering hopper 102 following the rotation of the metering plates 104. Finally, they are conveyed to the position of the discharge hopper 106 and fall into the granulator through the discharge hopper 106.

[0027] In this embodiment: the adjustment device includes an electric push rod 201, a fixed block 202 is installed on the extended end of the electric push rod 201, a compression component is rotatably installed on the side of the fixed block 202 away from the electric push rod 201, and a baffle component is fixedly installed on the outside of the fixed block 202. The compression component includes a rotating frame 203, six fixed rods 204 are evenly arranged on one side of the rotating frame 203, and an adjustment plate 205 is installed on the end of the fixed rod 204 away from the rotating frame 203. The baffle component includes a fixed plate 206, a baffle plate 207 is provided on the top of the fixed plate 206, and the baffle plate 207 is slidably connected to the metering hopper 102. When the electric push rod 201 extends, it drives the fixed block 202 to move, so that it drives the adjustment plate 205 to move into the metering space through the rotating frame 203 and the fixed rods 204, thereby compressing the metering space and adjusting the size of the metering space. At the same time, the fixed block 202 drives the baffle plate 207 to move synchronously through the fixed plate 206, thereby changing the size of the inlet of the metering hopper 102 and preventing the leakage of plastic particles.

[0028] In this embodiment: the receiving device includes a receiving hopper 301, an adjustment port 302 is provided on one side of the bottom of the receiving hopper 301, a conical platform 304 is provided in the adjustment port 302, a sliding plate 303 is provided on the conical platform 304, the sliding plate 303 is slidably connected to the receiving hopper 301, and the conical platform 304 is bolted to the baffle plate 207. When the baffle plate 207 moves, it will synchronously drive the conical surface of the conical platform 304 to push against the sliding plate 303 and move along the adjustment port 302 into the receiving hopper 301, thereby changing the size of the bottom opening of the receiving hopper 301 and preventing material from accumulating and blocking on the baffle plate 207.

[0029] Working principle: Six metering plates 104 divide the metering hopper 102 into six metering spaces. Before use, the support frame 101 supports the extension of the electric push rod 201, which moves the fixed block 202. This causes the adjusting plate 205 to move into the metering space via the rotating frame 203 and the fixed rod 204, compressing the metering space and thus adjusting its size. Simultaneously, the fixed block 202 moves the baffle plate 207 via the fixed plate 206. The baffle plate 207 then moves the sliding plate 303 on the conical surface of the conical platform 304 and moves along the adjusting port 302 into the receiving hopper 301, thereby changing the size of the receiving hopper. The size of the bottom opening of 301 and the size of the inlet of the metering hopper 102 prevent plastic granules from leaking. At the same time, the setting of the conical platform 304 gives the baffle plate 207 a certain taper, preventing material accumulation and blockage on the baffle plate 207. In use, the motor 105 drives the rotating shaft 103 to rotate the metering plate 104 in a cycle. Then, the plastic granules are poured into the receiving hopper 301, and under the guidance of the conical platform 304, they fall into the metering space in the metering hopper 102. Following the rotation of the metering plate 104, they are conveyed downward in the metering hopper 102 and finally conveyed to the position of the discharge hopper 106, and fall into the granulator through the discharge hopper 106.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A quantitative feeder for a plastic granulator, comprising a quantitative device for cyclically rotating quantitative feeding, characterized in that: It also includes an adjustment device installed on one side of the metering device for telescopically adjusting the size of the metering space and synchronously adjusting the size of the feed opening; and a receiving device for receiving plastic granules and a conical anti-clogging device installed on the top of the metering device. The adjusting device includes an electric push rod (201), a fixing block (202) is installed on the extended end of the electric push rod (201), a compression component is rotatably installed on the side of the fixing block (202) away from the electric push rod (201), and a material blocking component is fixedly installed on the outside of the fixing block (202). The receiving device includes a receiving hopper (301), an adjustment port (302) is provided on one side of the bottom of the receiving hopper (301), a conical platform (304) is provided in the adjustment port (302), and a sliding plate (303) is provided on the conical platform (304).

2. The quantitative feeder for a plastic granulator according to claim 1, characterized in that: The metering device includes a support frame (101), a metering hopper (102) is mounted on the top of the support frame (101), a separator is rotatably mounted inside the metering hopper (102), and a discharge hopper (106) is mounted below the metering hopper (102).

3. The quantitative feeder for a plastic granulator according to claim 1, characterized in that: The compression assembly includes a rotating frame (203), on one side of which six fixed rods (204) are evenly arranged, and an adjusting plate (205) is installed at the end of the fixed rods (204) away from the rotating frame (203).

4. The quantitative feeder for a plastic granulator according to claim 2, characterized in that: The baffle assembly includes a fixed plate (206), a baffle plate (207) is provided on the top of the fixed plate (206), the baffle plate (207) is slidably connected to the metering hopper (102), and the conical platform (304) is bolted to the baffle plate (207).

5. A quantitative feeder for a plastic granulator according to claim 2, characterized in that: The separating component includes a rotating shaft (103), a motor (105) is mounted on one side of the rotating shaft (103), and six metering plates (104) are evenly arranged on the rotating shaft (103), and the metering plates (104) are welded to the rotating shaft (103).

6. A quantitative feeder for a plastic granulator according to claim 1, characterized in that: The slide plate (303) is slidably connected to the receiving hopper (301).

Citation Information

Patent Citations

  • Quantitative feeding mechanism based on granulator

    CN221641488U