Regenerated plastic particle granulation device

Abstract

The utility model discloses a regenerated plastic particle granulating device which comprises a mixing and discharging mechanism and an extrusion molding granulating mechanism, and a discharging port of the mixing and discharging mechanism is communicated with the interior of the extrusion molding granulating mechanism; wherein the mixing and discharging mechanism comprises a first shell, a stirring sleeve rod, a rotating rod, a rotating driving assembly and a lifting driving assembly, the rotating rod is coaxially and rotatably arranged in the first shell, the rotating rod is coaxially sleeved with the stirring sleeve rod in a lifting mode, and the stirring sleeve rod and the rotating rod can synchronously rotate; the rotation driving assembly is arranged on the first shell and can drive the rotating rod to rotate around the axis of the rotating rod. The defects that the working efficiency is reduced due to the fact that the plastic raw materials are poor in adhesiveness and flowability and extremely low in discharging speed are overcome. Therefore, the utility model provides the regenerated plastic particle granulation device which can be used for mixing materials and assisting the discharge of raw materials at the same time so as to improve the working efficiency.

Description

Technical Field

[0001] The utility model relates to the field of plastic production, in particular to a device for granulating recycled plastic particles. Background Art

[0002] Modified plastics refer to plastic products that are modified on the basis of general plastics and engineering plastics through filling, blending, reinforcement and other methods to improve the flame retardancy, strength, impact resistance, toughness and other properties. Recycled plastics are the reuse of plastics. After mechanical blade crushing operation, the plastics are reused. In the process of granulation of modified recycled plastics, a mixing device is required to mix the powdered raw materials and liquids.

[0003] Chinese patent CN220030801U discloses a modified recycled plastic granule granulation and mixing device, which can drive the bottom rotating seat to rotate at the bottom of the inner cavity of the mixing tank body through the cooperation of a mixing motor and a rotating square shaft, and then the rotating bottom mixing strips can fully mix the materials at the bottom of the inner cavity of the mixing tank body, thereby improving the comprehensiveness and sufficiency of the material mixing of this structure.

[0004] The applicant discovered the following technical problems when implementing the above technical solution:

[0005] Since plastic raw materials are sticky and have poor fluidity, the discharge speed is extremely slow, which reduces work efficiency.

[0006] Therefore, it is an urgent problem to be solved by the present invention to provide a recycled plastic granulation device that can mix materials while assisting the discharge of raw materials to improve work efficiency. Utility Model Content

[0007] In view of the above technical problems, the purpose of the utility model is to overcome the problem in the prior art that the plastic raw materials have adhesiveness, poor fluidity, extremely slow discharge speed, and reduced work efficiency, thereby providing a recycled plastic granulation device that can simultaneously mix the materials and assist in the discharge of the raw materials to improve work efficiency.

[0008] In order to achieve the above-mentioned purpose, the utility model provides a recycled plastic granulation device, which includes: a mixing and feeding mechanism and an extrusion granulation mechanism, wherein the discharge port of the mixing and feeding mechanism is connected to the inside of the extrusion granulation mechanism; wherein the mixing and feeding mechanism includes: a first shell, a stirring sleeve, a rotating rod, a rotation drive assembly and a lifting drive assembly, wherein the rotating rod is coaxially rotatably arranged in the first shell, the stirring sleeve is coaxially liftably sleeved on the rotating rod and can rotate synchronously with the rotating rod, the rotation drive assembly is arranged on the first shell, and can drive the rotating rod to rotate around its axis, the lifting drive assembly is arranged on the first shell, and can drive the stirring sleeve to lift and lower along the length direction of the rotating rod, and the stirring sleeve is coaxially sleeved with an auxiliary discharge plate whose outer wall is in contact with the inner wall of the first shell.

[0009] Preferably, the rotary drive assembly comprises: a first drive motor, a first bevel gear and a second bevel gear. The first drive motor is arranged above the first shell, and its output shaft is coaxially provided with the first bevel gear. The upper end of the rotating rod is coaxially provided with a second bevel gear meshing with the first bevel gear.

[0010] Preferably, the lifting drive assembly includes: an incomplete gear, a mounting plate, a rack, a guide rod and a reset elastic member. The mounting plate is arranged at the upper end of the stirring sleeve rod, and a rack is vertically arranged on its upper surface. The output shaft of the first drive motor is coaxially provided with an incomplete gear that can mesh with the rack. A plurality of guide rods are vertically arranged on the first shell through the mounting plate. A reset elastic member is correspondingly sleeved on each guide rod. One end of the reset elastic member is abutted or fixed to the upper surface of the first shell, and the other end is abutted or fixed to the lower surface of the mounting plate.

[0011] Preferably, a plurality of stirring blades are coaxially arranged around the stirring sleeve rod below the auxiliary discharge plate.

[0012] Preferably, a feed pipe communicating with the interior of the first shell is disposed on one side of the first shell, and one end of the feed pipe communicating with the interior of the first shell is located below the power-assisted discharge plate.

[0013] Preferably, the extrusion granulation mechanism includes: a second shell, an extrusion component and a granulation component. The second shell is arranged below the first shell, and its interior is connected to the discharge port at the lower end of the first shell. One end of the second shell is provided with a plurality of extrusion holes. The extrusion component is coaxially arranged in the second shell to extrude the raw materials from the extrusion holes into raw material strips. The granulation component is rotatably arranged on one side of the extrusion hole and can continuously cut the raw material strips to form pellets.

[0014] Preferably, the extrusion assembly includes: a second drive motor and an extrusion screw coaxially arranged on the output shaft of the second drive motor, the second drive motor is arranged at one end of the second shell away from the extrusion hole, the extrusion screw is coaxially arranged in the second shell, and its outer side wall is in contact with the inner side wall of the second shell.

[0015] Preferably, the granulation assembly comprises a plurality of pelletizers coaxially arranged around an end of the extrusion screw away from the driving motor, and the blade side of the pelletizer is in contact with the side wall of the second shell.

[0016] According to the above technical scheme, the beneficial effect of the utility model compared with the prior art is: the present application adds the raw materials into the first shell, and then starts the rotary drive component to drive the stirring sleeve to rotate through the rotating rod to stir the raw materials, and at the same time the lifting drive component will drive the stirring sleeve to reciprocate along the length direction of the rotating rod to compress the raw materials downward through the assisting discharge plate to assist the raw materials to enter the extrusion granulation mechanism; thereby achieving assisting the discharge of the raw materials while mixing the materials, and because the stirring sleeve will stir the raw materials in the horizontal and vertical directions at the same time, the comprehensiveness and sufficiency of the raw material mixing are also improved.

[0017] Other features and advantages of the utility model will be described in detail in the subsequent specific implementation mode; and the parts not involved in the utility model are the same as the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation to the present invention. In the accompanying drawings:

[0019] Figure 1 It is a three-dimensional view of a recycled plastic granulation device provided in a preferred embodiment of the utility model. Figure 1 .

[0020] Figure 2 It is a plan cross-sectional view of a recycled plastic particle granulation device provided in a preferred embodiment of the utility model.

[0021] Figure 3 It is a three-dimensional view of a recycled plastic granulation device provided in a preferred embodiment of the utility model. Figure 2 .

[0022] Figure 4 It is a partial three-dimensional diagram of a recycled plastic granulation device provided in a preferred embodiment of the utility model. Figure 1 .

[0023] Figure 5It is a partial three-dimensional diagram of a recycled plastic granulation device provided in a preferred embodiment of the utility model. Figure 2 .

[0024] Figure 6 It is a partial three-dimensional diagram of a recycled plastic granulation device provided in a preferred embodiment of the utility model. Figure 3 .

[0025] Explanation of the reference numerals: 1-mixing and discharging mechanism; 101-first shell; 10101-feeding pipe; 10102-discharging port; 102-stirring sleeve rod; 10201-power discharging plate; 10202-stirring blade; 103-rotating rod; 104-rotating drive assembly; 10401-first drive motor; 10402-first bevel gear; 10403-second bevel gear; 105-lifting drive assembly; 10501-incomplete gear; 10502-mounting plate; 10503-rack; 10504-guide rod; 10505-resetting elastic member; 2-extrusion granulation mechanism; 201-second shell; 20101-extrusion hole; 202-extrusion assembly; 20201-second drive motor; 20202-extrusion screw; 203-granulation assembly; 20301-granulator. DETAILED DESCRIPTION

[0026] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0027] In the description of the embodiments of the present utility model, it should be noted that if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like are used to indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, if the terms "first", "second", "third" and the like appear, they are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In addition, if the terms "horizontal", "vertical", "overhanging" and the like appear, it does not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0028] In the description of the embodiments of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0030] Reference Figure 1-Figure 4 : A recycled plastic granulation device, the device comprises: a mixing and unloading mechanism 1 and an extrusion granulation mechanism 2, the discharge port 10102 of the mixing and unloading mechanism 1 is connected to the inside of the extrusion granulation mechanism 2; wherein the mixing and unloading mechanism 1 comprises: a first shell 101, a stirring sleeve rod 102, a rotating rod 103, a rotation drive component 104 and a lifting drive component 105, the rotating rod 103 is coaxially rotatably arranged in the first shell 101, the stirring sleeve rod 102 is coaxially and liftably sleeved on the rotating rod 103, and can rotate synchronously with the rotating rod 103, the rotation drive component 104 is arranged on the first shell 101, and can drive the rotating rod 103 to rotate around its axis, the lifting drive component 105 is arranged on the first shell 101, and can drive the stirring sleeve rod 102 to rise and fall along the length direction of the rotating rod 103, and the stirring sleeve rod 102 is coaxially sleeved with an auxiliary discharge plate 10201 whose outer wall is in contact with the inner wall of the first shell 101.

[0031] The present application adds the raw materials into the first shell 101, and then starts the rotating drive component 104 to drive the stirring sleeve 102 to rotate through the rotating rod 103 to stir the raw materials. At the same time, the lifting drive component 105 drives the stirring sleeve 102 to reciprocate along the length direction of the rotating rod 103 to compress the raw materials downward through the assisting discharge plate 10201 to assist the raw materials to enter the extrusion granulation mechanism 2; thereby achieving the goal of assisting the discharge of the raw materials while mixing the materials, and because the stirring sleeve 102 will stir the raw materials in the horizontal and vertical directions at the same time, the comprehensiveness and sufficiency of the raw material mixing are also improved.

[0032] Reference Figure 4The rotating drive assembly 104 includes: a first driving motor 10401, a first bevel gear 10402 and a second bevel gear 10403. The first driving motor 10401 is arranged above the first shell 101, and its output shaft is coaxially provided with the first bevel gear 10402. The upper end of the rotating rod 103 is coaxially provided with a second bevel gear 10403 meshing with the first bevel gear 10402.

[0033] In the present application, the first driving motor 10401 is started to drive the first bevel gear 10402 to rotate, thereby driving the rotating rod 103 to rotate through the second bevel gear 10403, and then driving the stirring sleeve rod 102 to rotate synchronously to stir the raw materials.

[0034] Reference Figure 5 The lifting drive assembly 105 includes: an incomplete gear 10501, a mounting plate 10502, a rack 10503, a guide rod 10504 and a reset elastic member 10505. The mounting plate 10502 is arranged at the upper end of the stirring sleeve rod 102, and a rack 10503 is vertically arranged on its upper surface. The output shaft of the first drive motor 10401 is coaxially provided with an incomplete gear 10501 that can mesh with the rack 10503. A plurality of guide rods 10504 are vertically arranged on the first shell 101 through the mounting plate 10502. A reset elastic member 10505 is correspondingly sleeved on each guide rod 10504. One end of the reset elastic member 10505 is abutted or fixedly connected to the upper surface of the first shell 101, and the other end is abutted or fixedly connected to the lower surface of the mounting plate 10502.

[0035] When the first drive motor 10401 is started, the incomplete gear 10501 will also rotate. When the outer tooth part of the incomplete gear 10501 is engaged with the rack 10503, it will drive the stirring sleeve 102 to move downward along the length direction of the rotating rod 103 through the mounting plate 10502. When the outer tooth part of the incomplete gear 10501 loses engagement with the rack 10503, the reset elastic member 10505 will drive the mounting plate 10502 to move upward along the length direction of the guide rod 10504, thereby driving the stirring sleeve 102 to move upward along the length direction of the rotating rod 103; thereby realizing the lifting and lowering of the stirring sleeve 102 along the length direction of the rotating rod 103, and then assisting the discharge of the raw materials through the assisting discharge plate 10201, and the stirring sleeve 102 stirring the raw materials in the vertical direction.

[0036] Reference Figure 4 : The stirring sleeve rod 102 is coaxially arranged with a plurality of stirring blades 10202 around the part below the auxiliary discharge plate 10201.

[0037] The present application arranges the stirring blades 10202 below the assisting discharge plate 10201 so as to achieve sufficient stirring of the raw materials and assist in the discharge of the raw materials.

[0038] Reference Figure 2 and Figure 3 : A feeding pipe 10101 connected to the interior of the first shell 101 is provided on one side of the first shell 101, and one end of the feeding pipe 10101 connected to the interior of the first shell 101 is located below the auxiliary discharge plate 10201.

[0039] The present application uses the feed pipe 10101 to add raw materials into the interior of the first shell 101 below the assisted discharge plate 10201 to facilitate sufficient stirring and assisted discharge of the raw materials.

[0040] Reference Figure 2 and Figure 3 The extrusion granulation mechanism 2 includes: a second shell 201, an extrusion component 202 and a granulation component 203. The second shell 201 is arranged below the first shell 101, and its interior is connected to the discharge port 10102 at the lower end of the first shell 101. One end of the second shell 201 is provided with a plurality of extrusion holes 20101. The extrusion component 202 is coaxially arranged in the second shell 201 to extrude the raw material from the extrusion hole 20101 into raw material strips. The granulation component 203 is rotatably arranged on one side of the extrusion hole 20101, and can continuously cut the raw material strips to form pellets.

[0041] In the present application, the raw materials are discharged into the second shell 201 through the mixing and feeding mechanism 1, and then the raw materials are extruded from the extrusion hole 20101 through the extrusion component 202 to form raw material strips, and then the raw material strips are cut into granules through the granulation component 203.

[0042] Reference Figure 6 The extrusion component 202 includes: a second drive motor 20201 and an extrusion screw 20202 coaxially arranged on the output shaft of the second drive motor 20201, the second drive motor 20201 is arranged at one end of the second shell 201 away from the extrusion hole 20101, and the extrusion screw 20202 is coaxially arranged in the second shell 201, and its outer side wall is in contact with the inner side wall of the second shell 201.

[0043] In the present application, the second driving motor 20201 is started to drive the extrusion screw 20202 to rotate, so that the raw material is extruded from the extrusion hole 20101 through the extrusion screw 20202 to form a raw material strip.

[0044] Reference Figure 6The granulation assembly 203 includes a plurality of pelletizers 20301 coaxially arranged around the end of the extrusion screw 20202 away from the driving motor, and the blade side of the pelletizer 20301 is in contact with the side wall of the second shell 201.

[0045] In the present application, by starting the second driving motor 20201 to drive the extrusion screw 20202 to rotate, the pelletizer 20301 will also be driven to rotate to cut the raw material strips extruded from the extrusion hole 20101 to form pellets.

[0046] When the device provided by the utility model is in use, the present application adds raw materials into the first shell 101, and then starts the rotating drive component 104 to drive the stirring sleeve rod 102 to rotate through the rotating rod 103 to stir the raw materials. At the same time, the lifting drive component 105 will drive the stirring sleeve rod 102 to reciprocate along the length direction of the rotating rod 103, so as to compress the raw materials downward through the assisting discharge plate 10201, so as to assist the raw materials to enter the extrusion granulation mechanism 2; thereby achieving the discharge of the raw materials while mixing the materials, and because the stirring sleeve rod 102 will stir the raw materials in the horizontal and vertical directions at the same time, the comprehensiveness and sufficiency of the raw material mixing are also improved.

[0047] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, and these simple modifications all belong to the protection scope of the present invention.

[0048] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present utility model will not further describe various possible combinations.

[0049] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A recycled plastic granulation device, characterized in that: The device comprises: a mixing and feeding mechanism (1) and an extrusion and granulation mechanism (2), wherein the discharge port (10102) of the mixing and feeding mechanism (1) is connected to the inside of the extrusion and granulation mechanism (2); wherein: The mixing and unloading mechanism (1) comprises: a first shell (101), a stirring sleeve rod (102), a rotating rod (103), a rotation drive assembly (104) and a lifting drive assembly (105); the rotating rod (103) is coaxially rotatably arranged in the first shell (101); the stirring sleeve rod (102) is coaxially sleeved on the rotating rod (103) and can rotate synchronously with the rotating rod (103); the rotation drive assembly (104) is arranged on the first shell (101) and can drive the rotating rod (103) to rotate around its axis; the lifting drive assembly (105) is arranged on the first shell (101) and can drive the stirring sleeve rod (102) to be lifted and lowered along the length direction of the rotating rod (103); and a power-assisted discharge plate (10201) whose outer wall is in contact with the inner wall of the first shell (101) is coaxially sleeved on the stirring sleeve rod (102).

2. A recycled plastic granulation device according to claim 1, characterized in that: The rotary drive assembly (104) comprises: a first drive motor (10401), a first bevel gear (10402) and a second bevel gear (10403); the first drive motor (10401) is arranged above the first housing (101), and its output shaft is coaxially provided with the first bevel gear (10402); the upper end of the rotating rod (103) is coaxially provided with a second bevel gear (10403) meshing with the first bevel gear (10402).

3. A recycled plastic granulation device according to claim 2, characterized in that: The lifting drive assembly (105) comprises: an incomplete gear (10501), a mounting plate (10502), a rack (10503), a guide rod (10504) and a reset elastic member (10505); the mounting plate (10502) is arranged at the upper end of the stirring sleeve rod (102), and a rack (10503) is vertically arranged on the upper surface of the mounting plate (10502); the output shaft of the first driving motor (10401) is coaxially provided with a gear that can be connected to the rack (10503); 3) meshing incomplete gears (10501), a plurality of guide rods (10504) are vertically provided on the first shell (101) and penetrate the mounting plate (10502), and each guide rod (10504) is sleeved with a corresponding reset elastic member (10505), one end of the reset elastic member (10505) is abutted or fixedly connected to the upper surface of the first shell (101), and the other end is abutted or fixedly connected to the lower surface of the mounting plate (10502).

4. A recycled plastic granulation device according to claim 1, characterized in that: A plurality of stirring blades (10202) are coaxially arranged around the stirring sleeve rod (102) below the auxiliary discharge plate (10201).

5. A recycled plastic granulation device according to claim 1, characterized in that: A feed pipe (10101) communicating with the interior of the first shell (101) is disposed on one side of the first shell (101), and one end of the feed pipe (10101) communicating with the interior of the first shell (101) is located below the auxiliary discharge plate (10201).

6. A recycled plastic granulation device according to claim 1, characterized in that: The extrusion granulation mechanism (2) comprises: a second shell (201), an extrusion component (202) and a granulation component (203); the second shell (201) is arranged below the first shell (101), and its interior is connected to the discharge port (10102) at the lower end of the first shell (101); one end of the second shell (201) is provided with a plurality of extrusion holes (20101); the extrusion component (202) is coaxially arranged in the second shell (201) for extruding the raw material from the extrusion hole (20101) into raw material strips; the granulation component (203) is rotatably arranged on one side of the extrusion hole (20101) and is capable of continuously cutting the raw material strips to form granules.

7. A recycled plastic granulation device according to claim 6, characterized in that: The extrusion assembly (202) comprises: a second drive motor (20201) and an extrusion screw (20202) coaxially arranged on the output shaft of the second drive motor (20201), wherein the second drive motor (20201) is arranged at one end of the second shell (201) away from the extrusion hole (20101), and the extrusion screw (20202) is coaxially arranged in the second shell (201), and its outer side wall is in contact with the inner side wall of the second shell (201).

8. A recycled plastic granulation device according to claim 7, characterized in that: The granulation assembly (203) comprises a plurality of pelletizers (20301) coaxially arranged around an end of the extrusion screw (20202) away from the drive motor, and the blade side of the pelletizer (20301) is in contact with the side wall of the second shell (201).

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