Hot mixing equipment for plastic processing

Abstract

The utility model discloses hot mixing equipment for plastic processing, which comprises a lower heating box and an upper heating box, an annular connecting plate is rotatably mounted between the inner wall of the upper end of the lower heating box and the inner wall of the lower end of the upper heating box, and a stirring component is arranged in the middle of the top of the upper heating box. And the lower end of the stirring assembly extends to the lower end in the lower heating box. According to the utility model, the components such as the lower heating box, the stirring assembly and the transmission assembly are arranged, and under the cooperation of the annular connecting plate rotationally arranged between the lower heating box and the upper heating box, plastic raw materials in the lower heating box and the upper heating box are stirred and mixed in the horizontal direction through the arrangement of the stirring assembly; and meanwhile, the plastic raw materials in the lower heating box and the upper heating box are stirred and mixed in the vertical direction through a transmission assembly horizontally arranged on an annular connecting plate, so that the mixing efficiency of the plastic materials in the hot mixing equipment is improved, and the uniformity of the mixed raw materials is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastics processing, specifically to a hot mixing equipment for plastics processing. BACKGROUND

[0002] The hot mixing machine is one of the essential equipment in the plastics processing industry, which is mainly used for uniformly mixing various resins such as polyvinyl chloride and other auxiliary materials and reaching the process temperature in a short time, and is suitable for coloring, mixing and drying of granules such as polyethylene and polypropylene, and warm resin products. The mixing process is not only a physical process but also a complex chemical process. The high-speed impact, shearing, throwing and self-friction of the paddles in the hot mixing machine make the material reach the specified end temperature according to the set temperature gradient requirements, and at the same time complete the requirements of uniformization, macromolecularization and pre-plasticization during this period.

[0003] The Chinese patent document with publication number CN213617709U provides a hot mixing machine for plastics processing with convenient unloading, which includes support legs, the top end of the support legs is fixedly connected with a machine shell, the top end of the machine shell is fixedly connected with a feed hopper, the top end of the machine shell is fixedly connected with a motor, the driving end of the motor is fixedly connected with a first pulley, the outer surface of the first pulley is sleeved with a belt, the top end of the machine shell is rotatably connected with a first stirring rod, the top end of the first stirring rod is fixedly connected with a second pulley, the outer surface of the first stirring rod is fixedly connected with a first stirring roller, and the outer surface of the first stirring rod is fixedly connected with a first driving wheel near the bottom end. The use of the speed regulating box, the second stirring rod, the second stirring roller, the first driving wheel, the first driven wheel, the second driving wheel and the second driven wheel can stir the lower raw materials and the upper raw materials at different speeds, avoiding the phenomenon of incomplete and uneven stirring and low efficiency;

[0004] In the above prior art, the first stirring roller and the second stirring roller can only stir the raw materials in the horizontal direction, which may cause stratification and affect the uniformity of stirring. In addition, the first driving wheel, the second driving wheel and the first driven wheel are all located at the bottom of the machine shell. When stirring the plastic materials inside the machine shell, the granular plastic raw materials are stuck between the gears because they are in a non-melted state when they first enter the machine shell, which affects the rotation of the first driving wheel, the first driven wheel and the second driving wheel, and thus affects the use of the equipment. Therefore, the utility model designs a hot mixing equipment for plastics processing to solve the problems in the prior art. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a hot mixing equipment for plastics processing to solve the problems in the background art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A kind of hot mixing equipment for plastic processing, comprising: lower heating box and upper heating box, annular connecting plate is rotatably installed between the inner wall of the upper end of lower heating box and the inner wall of the lower end of upper heating box, stirring assembly is arranged in the middle position of the top of upper heating box, and the lower end of stirring assembly extends to the lower end inside lower heating box, transmission assembly is arranged between the middle part of stirring assembly and the surface of annular connecting plate, the middle position of the bottom of lower heating box is provided with discharge port, and the side of the top of upper heating box is fixedly installed with feed hopper.

[0007] Preferably, the stirring assembly comprises: a rotating shaft rotatably installed at the middle position of the top of the upper heating box, the lower end of the rotating shaft extending to the lower end inside the lower heating box, three first stirring blades fixedly installed at the lower end and the upper end of the rotating shaft at equal distances along the circumference, a servo motor fixedly connected to the top of the upper heating box, and the output end of the servo motor fixedly connected to the top of the rotating shaft, and the transmission assembly arranged between the middle part of the rotating shaft and the surface of the annular connecting plate.

[0008] Preferably, the transmission assembly comprises: a connecting shaft rotatably installed at the surface of the middle part of the rotating shaft in the horizontal direction, the two ends of the connecting shaft rotatably installed at the two sides of the annular connecting plate, the two ends of the connecting shaft extending to the outside of the annular connecting plate, a bevel gear fixedly connected to the two ends of the connecting shaft, a bevel gear ring fixedly installed at the surface of the lower end of the upper heating box, the surface of the bevel gear meshing with the surface of the bevel gear ring, and a plurality of second stirring blades fixedly installed at equal distances on the surfaces of the two ends of the connecting shaft.

[0009] Preferably, the surfaces of the two ends of the annular connecting plate are provided with sealing bearings, the outer rings of the two sealing bearings are fixedly connected to the inner wall of the upper end of the lower heating box and the inner wall of the lower end of the upper heating box respectively, and the inner rings of the sealing bearings are fixedly connected to the surface of the annular connecting plate.

[0010] Preferably, the outer surfaces of the upper end of the lower heating box and the lower end of the upper heating box are fixedly connected with annular mounting plates, and six supporting columns are fixedly connected at equal distances along the circumference on the adjacent sides of the two annular mounting plates.

[0011] Preferably, the discharge port is a conical structure with a large upper diameter and a small lower diameter, and a discharge valve is fixedly installed at the bottom of the discharge port.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The utility model discloses a lower heating tank, stirring subassembly and transmission subassembly etc. The annular connecting plate is installed between the lower heating tank and the upper heating tank, and the stirring subassembly is arranged to stir and mix the plastic raw materials in the lower heating tank and the upper heating tank in the horizontal direction, and the transmission subassembly arranged on the annular connecting plate is used to stir and mix the plastic raw materials in the lower heating tank and the upper heating tank in the vertical direction, thereby improving the mixing efficiency of the plastic materials in the hot mixing equipment and the uniformity of the mixed raw materials.

[0014] 2. The utility model discloses a servo motor, bevel gear and bevel gear ring etc. The bevel gear and the bevel gear ring are arranged on the outer surface of the hot mixing equipment, thereby avoiding the problems of the first driving wheel, the second driving wheel and the first driven wheel in the prior art, improving the practicability. DRAWINGS

[0015] Figure 1 It is the front view schematic diagram of the utility model;

[0016] Figure 2 It is the front view schematic diagram of the utility model.

[0017] In the drawing: 1, lower heating tank;101, lower outlet;2, upper heating tank;201, feed hopper;3, annular connecting plate;4, stirring subassembly;401, rotating shaft;402, first stirring blade;403, servo motor;5, ring mounting plate;6, support column;7, transmission subassembly;701, connecting shaft;702, bevel gear;703, bevel gear ring;704, second stirring blade;8, discharge valve. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. 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 the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0019] Please refer to Figures 1-2The utility model provides a kind of hot mixing equipment for plastic processing, comprising: lower heating box 1 and upper heating box 2, annular connecting plate 3 is rotatably installed between the inner wall of lower heating box 1 upper end and the inner wall of upper heating box 2 lower end, lower heating box 1 is connected with the adjacent end of upper heating box 2, three support legs are installed equidistantly on the bottom of lower heating box 1 along circumference, stirring assembly 4 is arranged in the middle position of the top of upper heating box 2, and the lower end of stirring assembly 4 extends to the lower end inside lower heating box 1, transmission assembly 7 is arranged between the middle part of stirring assembly 4 and the surface of annular connecting plate 3, by the setting of transmission assembly 7, material inside hot mixing equipment can be stirred and mixed simultaneously in horizontal direction and vertical direction, improve the mixing efficiency of plastic material inside hot mixing equipment, further improve the uniformity of raw material after mixing, and the transmission structure of transmission assembly 7 is located on the outer surface of equipment, can avoid transmission wheel in prior art located inside equipment transmission, affect equipment use, the middle position of the bottom of lower heating box 1 is provided with discharge port 101, and feeding hopper 201 is fixedly installed on one side of the top of upper heating box 2.

[0020] Please refer to Figures 1-2 In the embodiment of the utility model: stirring assembly 4 includes: shaft 401, shaft 401 is rotatably installed in the middle position of the top of upper heating box 2, the lower end of shaft 401 extends to the lower end inside lower heating box 1, the lower end and the upper end of shaft 401 are all fixedly installed with three first stirring blades 402 equidistantly along circumference, the top of upper heating box 2 is fixedly connected with servo motor 403, and the output end of servo motor 403 is fixedly connected with the top of shaft 401, transmission assembly 7 is arranged between the middle part of shaft 401 and the surface of annular connecting plate 3. Various materials of plastic processing are introduced into the inside of lower heating box 1 by feeding hopper 201, and the inside material is heated by lower heating box 1 and upper heating box 2, start servo motor 403, at this time, the output end of servo motor 403 drives the first stirring blade 402 on the surface of the upper and lower ends of shaft 401 to rotate, and the material inside hot mixing equipment is stirred and mixed in horizontal direction.

[0021] Please refer to Figures 1-2In the embodiment of the utility model: transmission assembly 7 includes: connecting shaft 701 and bevel gear ring 703, connecting shaft 701 horizontal direction rotation is installed in the surface of the middle part of rotating shaft 401, the both ends of connecting shaft 701 are rotationally installed in the both sides of annular connecting plate 3, the both ends of connecting shaft 701 are rotationally installed with the inside of the both sides of annular connecting plate 3 through sealing bearing, to improve the sealing property, the both ends of connecting shaft 701 extend to the outside of annular connecting plate 3, the both ends of connecting shaft 701 are all fixedly connected with bevel gear 702, bevel gear ring 703 is fixedly installed on the surface of the lower end of upper heating box 2, the surface of bevel gear 702 is engaged with the surface of bevel gear ring 703, the surface of the both ends of connecting shaft 701 is all equidistantly symmetrical fixedly installed with a plurality of second stirring blade 704.In the rotation of rotating shaft 401, rotating shaft 401 drives the rotation of this middle connecting shaft 701, at this time, the bevel gear 702 of the both ends of connecting shaft 701 is engaged with the bevel gear ring 703 on the surface of the lower end of upper heating box 2, so that the rotation of connecting shaft 701 is driven, and the second stirring blade 704 on the surface of the both ends of connecting shaft 701 is driven to vertically stir and mix the plastic material in the inside of lower heating box 1, under the simultaneous action of horizontal direction stirring and mixing and vertical direction stirring and mixing, the mixing efficiency of the plastic material in the inside of hot mixing equipment is improved, and the uniformity of the mixed raw materials is further improved.

[0022] Please refer to Figures 1-2 In the embodiment of the utility model: the surface of the both ends of annular connecting plate 3 is all provided with sealing bearing, and the outer ring of the two sealing bearings is fixedly connected with the inner wall of the upper end of lower heating box 1 and the inner wall of the lower end of upper heating box 2 respectively, and the inner ring of sealing bearing is fixedly connected with the surface of annular connecting plate 3. Through the sealing bearing setting, the sealing property of the connection between lower heating box 1 and upper heating box 2 and annular connecting plate 3 is improved, and the stability of the rotation of annular connecting plate 3 is also improved.

[0023] Please refer to Figures 1-2 In the embodiment of the utility model: the outer surface of the upper end of lower heating box 1 and the outer surface of the lower end of upper heating box 2 are all fixedly connected with annular mounting plate 5, and the adjacent side of the two annular mounting plates 5 is fixedly connected with six support columns 6 along the circumference. Through the annular mounting plate 5 on the surface of lower heating box 1 and the annular mounting plate 5 on the surface of upper heating box 2 and the multiple support columns 6 between the two annular mounting plates 5, the stability of the installation between lower heating box 1 and upper heating box 2 is improved.

[0024] Please refer to Figure 2 In the embodiment of the utility model: the blanking port 101 is the taper structure of big upper and small lower, and the bottom of blanking port 101 is fixedly installed with discharge valve 8. In the processing in the inside of lower heating box 1, discharge valve 8 is in the closed state, after completing processing, the processed material is conveniently discharged from the inside of lower heating box 1 through discharge valve 8.

[0025] Working principle: turn on the power, plastic processing of a variety of materials through the feed hopper 201 into the inside of the lower heating box 1, by the lower heating box 1 and the upper heating box 2 on the internal material heating, start servo motor 403, at this time the output end of servo motor 403 drive shaft 401 both ends of the surface of the first stirring blade 402 rotation, on the internal material of the hot mixing equipment for horizontal direction of stirring mixing, in the rotation of the shaft 401, the shaft 401 drive this kind of middle connecting shaft 701 rotation, at this time the connecting shaft 701 both ends of the bevel gear 702 and the surface of the bevel gear ring 703 of the lower end of the upper heating box 2 meshing, so that the connecting shaft 701 rotation, while the connecting shaft 701 drive both ends of the surface of the second stirring blade 704 on the plastic material in the lower heating box 1 inside the vertical direction of stirring mixing, under the action of horizontal direction stirring mixing and vertical direction stirring mixing, accelerate the mixing efficiency. The contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0026] 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 hot mixing device for plastic processing, comprising: The lower heating box (1) and the upper heating box (2) are characterized in that: an annular connecting plate (3) is rotatably installed between the inner wall of the upper end of the lower heating box (1) and the inner wall of the lower end of the upper heating box (2); a stirring assembly (4) is provided at the middle position of the top of the upper heating box (2), and the lower end of the stirring assembly (4) extends to the lower end of the interior of the lower heating box (1); a transmission assembly (7) is provided between the middle part of the stirring assembly (4) and the surface of the annular connecting plate (3); a discharge port (101) is opened at the middle position of the bottom of the lower heating box (1); and a feed hopper (201) is fixedly installed on one side of the top of the upper heating box (2).

2. The hot mixing equipment for plastic processing according to claim 1, characterized in that: The stirring assembly (4) includes: a rotating shaft (401), which is rotatably mounted at the middle position of the top of the upper heating box (2). The lower end of the rotating shaft (401) extends to the lower end of the lower heating box (1). Three first stirring blades (402) are fixedly installed at equal intervals along the circumference at both the lower and upper ends of the rotating shaft (401). A servo motor (403) is fixedly connected to the top of the upper heating box (2), and the output end of the servo motor (403) is fixedly connected to the top of the rotating shaft (401). The transmission assembly (7) is disposed between the middle part of the rotating shaft (401) and the surface of the annular connecting plate (3).

3. The hot mixing equipment for plastic processing according to claim 1, characterized in that: The transmission assembly (7) includes a connecting shaft (701) and a bevel gear ring (703). The connecting shaft (701) is rotatably mounted on the surface of the middle part of the rotating shaft (401) in the horizontal direction. Both ends of the connecting shaft (701) are rotatably mounted on both sides of the annular connecting plate (3). Both ends of the connecting shaft (701) extend to the outside of the annular connecting plate (3). Both ends of the connecting shaft (701) are fixedly connected with bevel gears (702). The bevel gear ring (703) is fixedly mounted on the surface of the lower end of the upper heating box (2). The surface of the bevel gear (702) meshes with the surface of the bevel gear ring (703). Multiple second stirring blades (704) are equidistantly and symmetrically fixedly mounted on the surfaces of both ends of the connecting shaft (701).

4. The hot mixing equipment for plastic processing according to claim 1, characterized in that: The surfaces of the upper and lower ends of the annular connecting plate (3) are provided with sealed bearings, and the outer rings of the two sealed bearings are fixedly connected to the inner wall of the upper end of the lower heating box (1) and the inner wall of the lower end of the upper heating box (2), respectively. The inner ring of the sealed bearing is fixedly connected to the surface of the annular connecting plate (3).

5. The hot mixing equipment for plastic processing according to claim 1, characterized in that: The outer surface of the upper end of the lower heating box (1) and the outer surface of the lower end of the upper heating box (2) are both fixedly connected with annular mounting plates (5), and six support columns (6) are fixedly connected at equal intervals along the circumference on the adjacent side of the two annular mounting plates (5).

6. The hot mixing equipment for plastic processing according to claim 1, characterized in that: The discharge port (101) has a conical structure that is larger at the top and smaller at the bottom, and a discharge valve (8) is fixedly installed at the bottom of the discharge port (101).

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