Material stirring device of granulator

Abstract

The utility model relates to the technical field of granulation equipment, in particular to a material stirring device of a granulator, which comprises a feeding device and a material stirring device, the feeding device is communicated with the material stirring device, the feeding device comprises a feeding cavity, a feeding motor, a first housing and a second housing, the feeding motor is mounted on one side of the feeding cavity, a rotating shaft of the feeding motor is positioned in the feeding cavity, and the first housing and the second housing are communicated. The first cover shell is located in the feeding cavity, the first cover shell is connected with a rotating shaft of the feeding motor and can be driven by the feeding motor to rotate, the second cover shell is fixedly installed in the feeding cavity, the first cover shell is surrounded by the second cover shell, primary mixing is conducted through the feeding device, and secondary mixing is conducted through the stirring device; the plastic particles and the auxiliary materials can be fully and uniformly mixed, and in the process, the plastic particles and the auxiliary materials can be decomposed and adhered into agglomerated, combined or connected special-shaped plastic particles, so that the auxiliary materials are prevented from being non-uniformly distributed in the mixture, and the material stirring efficiency is favorably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the granulating equipment field especially is related to a granulator mixing device. BACKGROUND

[0002] Thermosoftening plastics can be made into recycled plastic particles after being heated and recycled, and these plastic particles can be injected into a mold after being heated to a molten flow state, and a plastic product with a preset shape can be obtained after cooling.

[0003] To give the plastic product different characteristics, the plastic particles need to be mixed with different fillers (such as plasticizers, stabilizers, lubricants, and anti-aging agents) before injection molding. In the granulation section, due to the problem of cutter cutting, it is easy to form irregular plastic particles that are connected, combined, or adhered into a group in the form of a wire. These irregular particles are not easy to mix with fillers, which will affect the quality of the plastic product (the technical problem is also mentioned in the background art of a plastic particle stirrer (application number 202320239899.7). The purpose of the utility model is to propose a new plastic particle mixing mechanism to solve the influence of irregular particles on mixing and promote the uniform mixing of fillers in the mixture. SUMMARY

[0004] The purpose of the utility model is to provide a granulator mixing device to solve the problem mentioned in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a feeding device and a mixing device are in communication, the feeding device includes a feeding cavity, a feeding motor, a first cover, and a second cover. The feeding cavity has a feeding pipe connected to the feeding cavity on one side. The bottom end of the feeding cavity is connected to the mixing device. The feeding motor is installed on one side of the feeding cavity. The feeding motor shaft is located in the feeding cavity. The first cover is located in the feeding cavity. The first cover is connected to the feeding motor shaft and can be driven to rotate by the feeding motor. The first cover has a first opening for plastic particles to pass through, and the feeding pipe is connected to the first cover. The second cover is fixedly installed in the feeding cavity. The second cover surrounds the first cover. The second cover has a second opening for plastic particles to pass through, and the size of the second opening is smaller than that of the first opening.

[0006] To further optimize the above technical solution, the following measures are further taken: the mixing device comprises a mixing barrel, a mixing motor, an auger and an electric control gate valve, the mixing motor is installed at one end of the mixing barrel, the bottom end of the feeding chamber is communicated with the mixing barrel, the auger is installed in the mixing barrel, the auger is connected with the rotating shaft of the mixing motor and can be driven to rotate by the mixing motor, the electric control gate valve is installed at the end of the mixing barrel and is communicated with the mixing barrel, the auxiliary materials and the plastic particles are stirred and uniformly mixed by the auger driven by the mixing motor, the stirring is sufficient and the mixed materials can be driven by the auger to the end of the mixing barrel.

[0007] As a further improvement of the above technical solution: an annular clamping block that can abut against the second cover is arranged in the feeding chamber, a cover plate is detachably arranged on one side of the feeding chamber by bolts, the annular clamping block and the cover plate cooperate to realize that the second cover can be separated from the feeding chamber, and by replacing the second cover, the technician can select a second cover with different sizes of second through holes.

[0008] As a further improvement of the technical solution: the number of feeding pipes is 2, which are symmetrically arranged on the left and right sides of the feeding chamber, and the feeding pipes are inclined relative to the horizontal plane, and the feeding pipes on both sides are used for inputting plastic particles and auxiliary materials.

[0009] As an improvement of the foregoing technical solution: the auger and the mixing barrel have a gap, and the gap between the top of the mixing barrel and the auger is smaller than the gap between the bottom of the mixing barrel and the auger, which aims to reduce the compression of the plastic particles by the auger and the mixing barrel during the rotation of the auger, and avoid the compression of the plastic particles into a group.

[0010] From the above description of the structure of the utility model, compared with the prior art, the utility model has the following advantages:

[0011] The granulator mixing device provided by the utility model can preliminarily mix and uniformly mix the plastic particles and the auxiliary materials through the feeding device and the mixing device, fully and uniformly mix the plastic particles and the auxiliary materials, decompose the irregular plastic particles that are adhered into a group, a particle or a continuous particle during the process, avoid uneven distribution of the auxiliary materials in the mixed materials, and help to improve the mixing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] The drawings that form a part of this application are intended to provide a further understanding of the utility model, and the schematic embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute an improper limitation on the utility model. In the drawings:

[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model (left side view);

[0014] Figure 2 It is a three-dimensional structure schematic view of the utility model (right side view);

[0015] Figure 3 is a front view structure schematic view of the utility model;

[0016] Figure 4 is a cross section structure schematic view of the utility model;

[0017] Figure 5 is Figure 4 is a partial structure schematic view;

[0018] In the figure: feeding device-1, feeding cavity-101, feeding motor-102, first cover-103, second cover-104, feeding pipe-105, first opening-106, second opening-107, annular clamping block-108, cover plate-109, mixing device-2, mixing barrel-201, mixing motor-202, auger-203, electric control gate valve-204 DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] EMBODIMENT

[0021] Please refer to Figures 1-5The utility model provides a granulator stirring device, including feeding device 1 and stirring device 2, feeding device 1 communicates with stirring device 2, feeding device 1 includes feeding cavity 101, feeding motor 102, first cover 103 and second cover 104, the one side of feeding cavity 101 is formed with the feeding pipe 105 of communicating with feeding cavity 101, the number of feeding pipe 105 is 2 and is located the left and right sides of feeding cavity 101 respectively in symmetry, feeding pipe 105 is relative to horizontal plane and is inclined, and the bottom of feeding cavity 101 is connected with stirring device 2, feeding motor 102 is installed in the one side of feeding cavity 101, and the pivot of feeding motor 102 is located in feeding cavity 101, and first cover 103 is located in feeding cavity 101, and first cover 103 is connected with the pivot of feeding motor 102 and can be driven to rotate by feeding motor 102, and first cover 103 is formed with the first aperture 106 of passing through plastic particles and feeding pipe 105 communicates with first cover 103, and second cover 104 is fixedly installed in feeding cavity 101, and second cover 104 surrounds first cover 103, and the distance between second cover 104 and first cover 103 is no more than 0.3cm, and second cover 104 is formed with the second aperture 107 of passing through plastic particles and the size of second aperture 107 is less than the first aperture 106, and annular clamping block 108 that can resist second cover 104 is arranged in feeding cavity 101, and the one side of feeding cavity 101 is detachably provided with cover plate 109 through bolt, and annular clamping block 108 and cover plate 109 cooperate to realize that second cover 104 can be separated from feeding cavity 101.

[0022] Stirring device 2 includes stirring cylinder 201, stirring motor 202, auger 203 and electric control gate valve 204, stirring motor 202 is installed at one end of stirring cylinder 201, the bottom of feeding cavity 101 communicates with stirring cylinder 201, auger 203 is installed in stirring cylinder 201, auger 203 is connected with the pivot of stirring motor 202 and can be driven to rotate by stirring motor 202, and there is a gap between auger 203 and stirring cylinder 201, and the gap between the top of stirring cylinder 201 and auger 203 is less than the gap between the bottom of stirring cylinder 201 and auger 203, and electric control gate valve 204 is installed at the end of stirring cylinder 201 and communicates with stirring cylinder 201.

[0023] The control mode of the utility model is realized automatic control through external controller, and the control circuit of the controller can be realized by simple programming of the technical personnel in the field, and the provision of power also belongs to the public knowledge in the field, and the utility model is mainly used for protecting mechanical device, so the utility model does not explain the control mode and circuit connection in detail.

[0024] Working principle: the plastic particles and auxiliary materials can enter the first shell 103 in the feeding cavity 101 through the feeding pipe 105, and the auxiliary materials and plastic particles can be driven by the first shell 103 to complete the preliminary mixing, and then the mixture after the preliminary mixing falls into the mixing cavity through the first opening 106 and the second opening 107, the mixture is mixed and transported again by the auger 203 under the action of the mixing motor 202, and finally the uniform mixture can be output from the electric control gate valve 204 at the end of the mixing barrel 201 under the action of the auger 203.

[0025] For the plastic particles adhering to groups, agglomerates or connected particles, because the size of the first opening 106 is larger than that of the second opening 107, these plastic particles adhering to groups, agglomerates or connected particles will be tightly attached to the inner surface of the first shell 103 under the action of the rotating first shell 103 due to the centrifugal force, and a part of the plastic particles can be in contact with the second opening 107 through the first opening 106, and during the rotation of the first shell 103, the part of the plastic particles in contact with the second opening 107 will be torn to separate the plastic particles to form particles that can pass through the second opening 107, in addition, the airflow generated by the rotation of the first shell 103 can drive the mixture to move to promote the plastic particles to pass through the first opening 106 and the second opening 107.

[0026] Because the second shell 104 can be replaced, the technician can select the second shell 104 with different sizes of the second opening 107 to ensure the separation effect of the special-shaped particles and the uniform mixing of the plastic particles and the auxiliary materials.

[0027] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A granulator mixing device (2), characterized in that: It comprises a feeding device (1) and a mixing device (2); The feeding device (1) is in communication with the mixing device (2), and the feeding device (1) comprises a feeding chamber (101), a feeding motor (102), a first cover (103), and a second cover (104); A feeding pipe (105) communicating with the feeding chamber (101) is formed on one side of the feeding chamber (101), and the bottom end of the feeding chamber (101) is connected to the mixing device (2); The feeding motor (102) is installed on one side of the feeding chamber (101), and the rotating shaft of the feeding motor (102) is located in the feeding chamber (101); The first housing (103) is located in the feeding chamber (101). The first housing (103) is connected to the rotating shaft of the feeding motor (102) and can be driven to rotate by the feeding motor (102). A first opening (106) for passing plastic particles is formed on the first housing (103), and a feeding pipe (105) is connected to the first housing (103). The second cover shell (104) is fixedly installed in the feed chamber (101), and the second cover shell (104) surrounds the first cover shell (103). A second opening (107) for plastic particles to pass through is formed on the second cover shell (104), and the size of the second opening (107) is smaller than the first opening (106).

2. A granulator mixing device (2) according to claim 1, characterized in that: The material mixing device (2) comprises a material mixing barrel (201), a material mixing motor (202), an auger (203) and an electrically controlled gate valve (204); The mixing motor (202) is installed at one end of the mixing barrel (201), the bottom end of the feeding chamber (101) is connected to the mixing barrel (201), the auger (203) is installed in the mixing barrel (201), the auger (203) is connected to the rotating shaft of the mixing motor (202), and the auger (203) can be driven to rotate by the mixing motor (202), and the electric control gate valve (204) is installed at the end of the mixing barrel (201) and is connected to the mixing barrel (201).

3. A granulator mixing device (2) according to claim 1, characterized in that: An annular clamping block (108) is provided in the feed chamber (101) and can abut against the second cover shell (104). A cover plate (109) is detachably provided on one side of the feed chamber (101) by bolt connection. The annular clamping block (108) cooperates with the cover plate (109) to enable the second cover shell (104) to be separated from the feed chamber (101).

4. A granulator mixing device (2) according to any one of claims 1 to 3, characterized in that: There are two feed pipes (105) symmetrically located on the left and right sides of the feed cavity (101), and the feed pipes (105) are inclined relative to the horizontal plane.

5. A granulator mixing device (2) according to claim 2, characterized in that: There is a gap between the auger (203) and the mixing barrel (201), and the gap between the top of the mixing barrel (201) and the auger (203) is smaller than the gap between the bottom of the mixing barrel (201) and the auger (203).

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