Mixing device

Abstract

The mixing device comprises a charging barrel, a multi-stage stirring part, a variable-speed transmission part and a motor, one end of the charging barrel is obliquely arranged, the multi-stage stirring part comprises a first stirring frame and a second stirring frame, the first stirring frame is rotationally arranged outside the second stirring frame in a sleeving mode, the first stirring frame and the second stirring frame are coaxially arranged, and the variable-speed transmission part and the motor are coaxially arranged. The variable speed transmission part is arranged at one end of the charging barrel, the variable speed transmission part is used for enabling the first stirring frame and the second stirring frame to rotate in a differential mode, and the motor is arranged on one side of the charging barrel and used for driving the variable speed transmission part to rotate. According to the device, the feeding and discharging operations of staged stirring are not needed, so that the continuity of the mixing operation is improved, and the working efficiency is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to PVC mixing technology field, concretely relates to a mixing device. BACKGROUND

[0002] PVC board is a kind of board material that is mixed and processed by adding stabilizer, lubricant and other auxiliary agents to polyvinyl chloride resin as main component, when producing, raw materials such as polyvinyl chloride resin, stabilizer and lubricant are proportionally stirred and mixed, then it is melted by hot melting mechanism, and then granulation is completed by granulating mechanism, and PVC granules after granulating and drying can be used for various processing modes, such as extrusion, injection molding and blow molding etc.;

[0003] In order to ensure product quality and operation efficiency, high-efficiency mixing equipment is usually used to stir and mix raw materials, such as the Chinese utility model patent with patent publication number CN210758542U discloses a kind of processing PVC board raw material mixing machine, the mixing machine is provided with mixing box, stirring rod, base and support plate, mixing box is rotatably installed on the support plate of base, and stirring rod is coaxially installed in the interior of mixing box, stirring rod is driven to rotate to stir and mix raw materials in the interior of mixing box, at the same time, mixing box is self-rotated on support plate, the mixing machine rotates stirring rod and mixing box respectively, which improves mixing efficiency and enhances application range to a certain extent.

[0004] However, the above-mentioned raw material mixing machine can only mix and stir in stages during actual operation, and needs to be discharged and recharged after each stirring is completed, which leads to poor operation continuity and reduces overall operation efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the above technical deficiencies, and proposes a kind of mixing device, to solve the technical problem of reducing operation efficiency caused by poor operation continuity in prior art.

[0006] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a kind of mixing device, including barrel, multistage stirring piece, variable speed transmission part and motor, one end of the barrel is obliquely arranged, the multistage stirring piece includes first stirring frame and second stirring frame, the first stirring frame rotationally covers the outside of the second stirring frame and is coaxially arranged with the barrel, the variable speed transmission part is located at one end of the barrel, the variable speed transmission part is used to make the first stirring frame and the second stirring frame rotate at different speeds, and the motor is located at one side of the barrel and is used to drive the variable speed transmission part to rotate.

[0008] In some embodiments, the multi-stage stirring device further comprises an inner rotating shaft and a pushing wheel, the inner rotating shaft is arranged inside the second stirring frame, and the pushing wheel is fixedly sleeved outside the inner rotating shaft.

[0009] In some embodiments, the second stirring frame has a length twice that of the first stirring frame, the inner rotating shaft has a length three times that of the first stirring frame, one end of the first stirring frame, the second stirring frame and the inner rotating shaft is flush, the one end of the first stirring frame, the second stirring frame and the inner rotating shaft flush penetrates to the outside of the barrel and is matched with a variable speed transmission member, and the variable speed transmission member is matched with a motor.

[0010] In some embodiments, the outer edges of the first stirring frame, the second stirring frame and the pushing wheel are in contact with the inner wall of the barrel.

[0011] In some embodiments, the inner wall of the barrel is provided with a plurality of fixed rods, and the plurality of fixed rods are distributed between the gaps of the first stirring frame and the gaps of the second stirring frame.

[0012] In some embodiments, the variable speed transmission member comprises a first set of gears and a second set of gears, the first set of gears is provided with three gears with diameters decreasing in turn and arranged on the same axis, the first set of gears is fixedly sleeved on one end of the first stirring frame, one end of the second stirring frame and one end of the inner rotating shaft respectively, the second set of gears is provided with three gears with diameters increasing in turn and arranged on the same axis, the first set of gears and the second set of gears are complementarily arranged and meshed, and the second set of gears is fixedly connected with the output shaft of the motor.

[0013] In some embodiments, the upwardly inclined top of the barrel is provided with a feeding slot, and the downwardly inclined end of the barrel is open and used for discharging.

[0014] In some embodiments, the feeding slot is funnel-shaped.

[0015] In some embodiments, the open end of the barrel is provided with an extension plate.

[0016] In some embodiments, the bottom of the barrel is provided with a support frame.

[0017] Compared with the prior art, the mixing device provided by the utility model realizes the purpose of improving operation efficiency through the setting of the barrel, the multi-stage stirring part, the variable speed transmission part and the motor; in specific operation, the material to be mixed continuously enters the barrel, the motor is started, the motor drives the variable speed transmission part to drive the multi-stage stirring part to rotate, the first stirring frame and the second stirring frame in the multi-stage stirring part rotate at different speeds, the material can be stirred in the barrel to different degrees, so that the material is uniformly mixed, at the same time, the material is continuously fed to one side of the barrel all the time, without the stage stirring feeding and discharging operation, so that the continuity of the mixing operation is improved, and the operation efficiency is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the mixing device provided by the utility model embodiment;

[0019] Figure 2 is Figure 1 a side plane section structural schematic view of the barrel;

[0020] Figure 3 is Figure 1 a side three-dimensional section structural schematic view of the barrel;

[0021] Figure 4 is Figure 3 a structural schematic view of the multi-stage stirring part in the barrel.

[0022] Mark explanation: 100, barrel; 110, feeding groove; 120, extension plate; 200, multi-stage stirring part; 210, first stirring frame; 220, second stirring frame; 230, inner rotating shaft; 240, pushing wheel; 250, fixed rod; 300, variable speed transmission part; 310, first group of gears; 320, second group of gears; 400, motor; 500, support frame. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0024] In order to solve the technical problem of low operation efficiency, the utility model provides a mixing device, which can realize higher operation efficiency.

[0025] It should be noted that the mixing device provided by the utility model is used for but not limited to material mixing, in order to facilitate the description, in the utility model, only a mixing device applied to PVC mixing is taken as an example for description, and the principle of a mixing device applied to other types of equipment is substantially the same as that applied to PVC mixing, which will not be described here.

[0026] Referring to Figure 1 - Figure 4 wherein, Figure 1 is a structural schematic view of a mixing device in an embodiment of the present application, the mixing device comprising a barrel 100, a multi-stage stirring member 200, a variable speed transmission member 300 and a motor 400, one end of the barrel 100 is obliquely arranged, the multi-stage stirring member 200 comprises a first stirring frame 210 and a second stirring frame 220, the first stirring frame 210 is rotatably arranged outside the second stirring frame 220 and coaxially arranged with the barrel 100, the variable speed transmission member 300 is arranged at one end of the barrel 100, the variable speed transmission member 300 is used to rotate the first stirring frame 210 and the second stirring frame 220 at different speeds, and the motor 400 is arranged at one side of the barrel 100 and used to drive the variable speed transmission member 300 to rotate;

[0027] In the embodiment, the material to be mixed continuously enters the barrel 100, the motor 400 is started, the motor 400 drives the variable speed transmission member 300 to drive the multi-stage stirring member 200 to rotate, the first stirring frame 210 and the second stirring frame 220 in the multi-stage stirring member 200 rotate at different speeds, the material in the barrel 100 can be stirred to different degrees, so that the material is uniformly mixed, at the same time, the material is continuously fed to one side of the barrel 100, without the stage stirring feeding and discharging operation, so as to improve the continuity of the mixing operation and ensure the operation efficiency.

[0028] In one of the embodiments, referring to Figure 1 - Figure 4 The multi-stage stirring member 200 further comprises an inner rotating shaft 230 and a pushing wheel 240, the inner rotating shaft 230 is rotatably arranged inside the second stirring frame 220, and the pushing wheel 240 is fixedly arranged outside the inner rotating shaft 230;

[0029] The second stirring frame 220 has a length of twice that of the first stirring frame 210, the inner rotating shaft 230 has a length of three times that of the first stirring frame 210, one end of the first stirring frame 210, the second stirring frame 220 and the inner rotating shaft 230 is flush, the one end of the first stirring frame 210, the second stirring frame 220 and the inner rotating shaft 230 flushly penetrates to the outside of the barrel 100 and is matched with the variable speed transmission member 300, and the variable speed transmission member 300 is matched with the motor 400;

[0030] In the embodiment, the motor 400 drives the first stirring frame 210, the second stirring frame 220 and the inner rotating shaft 230 to rotate at different speeds through the variable speed transmission member 300, the first stirring frame 210 and the second stirring frame 220 stir and beat the material, and different speeds make the material be stirred to different degrees, so as to realize stirring;

[0031] Further, the outer edges of the first stirring frame 210, the second stirring frame 220 and the pushing wheel 240 are in contact with the inner wall of the barrel 100.

[0032] Wherein, the attack angle of the stirring blades on the two stirring frames can make the material transport to one side.

[0033] Wherein, the inner wall of the barrel 100 is provided with a plurality of fixed rods 250, and the plurality of fixed rods 250 are distributed between the gaps of the first stirring frame 210 and the gaps of the second stirring frame 220, and the fixed rods 250 are used to cooperate with the stirring frames to stir the material.

[0034] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 4 , the variable speed transmission member 300 comprises a first set of gears 310 and a second set of gears 320, the first set of gears 310 is provided with three gears with diameters decreasing in turn and coaxial distribution, the first set of gears 310 is fixedly sleeved at one end of the first stirring frame 210, one end of the second stirring frame 220 and one end of the inner rotating shaft 230 respectively, the second set of gears 320 is provided with three gears with diameters increasing in turn and coaxial distribution, the first set of gears 310 and the second set of gears 320 are complementary to each other and meshed, and the second set of gears 320 is fixedly connected with the output shaft of the motor 400.

[0035] In this embodiment, the three gears in the first set of gears 310 are distributed from large to small, and the three gears in the second set of gears 320 are distributed from small to large, the two sets of complementary gears are meshed respectively, and the relatively larger gear in the first set of gears 310 is meshed with the relatively smaller gear in the second set of gears 320, so that the rotating speed of the first stirring frame 210 is less than the rotating speed of the second stirring frame 220, and the rotating speed of the second stirring frame 220 is less than the rotating speed of the inner rotating shaft 230.

[0036] In one embodiment, please refer to Figure 1 and Figure 3 , the upwardly inclined top of the barrel 100 is provided with a feeding groove 110, and the downwardly inclined end of the barrel 100 is open and used for discharging.

[0037] Wherein, the feeding groove 110 is funnel-shaped.

[0038] Wherein, the open end of the barrel 100 is provided with an extension plate 120, and the extension plate 120 is used to make the material more stably discharged.

[0039] In one embodiment, please refer to Figure 1 , the bottom of the barrel 100 is provided with a support frame 500.

[0040] In order to better understand the present application, the following is combined with Figures 1 to 4The technical scheme of the utility model is explained in detail as follows: the material to be mixed is continuously fed into the barrel 100 through the feeding groove 110, the motor 400 is started, the motor 400 drives the second set of gears 320 to drive the first set of gears 310, the three gears in the first set of gears 310 are distributed from large to small, the three gears in the second set of gears 320 are distributed from small to large, the two sets of gears are engaged with each other, the relatively large gear in the first set of gears 310 is engaged with the relatively small gear in the second set of gears 320, the three gears in the first set of gears 310 correspond to the first stirring frame 210, the second stirring frame 220 and the inner rotating shaft 230 respectively, so as to drive the first stirring frame 210, the second stirring frame 220 and the inner rotating shaft 230 to rotate at different rotating speeds, the first stirring frame 210 and the second stirring frame 220 agitate and beat the material, different rotating speeds make the material be agitated to different degrees, so that the material is stirred and mixed uniformly, at the same time, the material is continuously fed to one side of the barrel 100, the feeding and discharging operation of the material does not need to be stirred in stages, so that the continuity of the mixing operation is improved, and the operation efficiency is ensured.

[0041] The specific embodiment of the utility model does not constitute a limitation on the protection scope of the utility model. Any various other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A mixing device, characterized in that, include: A material cylinder, one end of which is inclined; A multi-stage mixing component, comprising a first mixing frame and a second mixing frame, wherein the first mixing frame is rotatably sleeved on the outside of the second mixing frame and both are coaxially arranged with the material cylinder; A speed-changing transmission component is provided at one end of the material cylinder, and the speed-changing transmission component is used to cause the first stirring frame and the second stirring frame to rotate at different speeds. as well as An electric motor is located on one side of the material cylinder and is used to drive the speed transmission component to rotate.

2. The mixing device according to claim 1, characterized in that, The multi-stage mixing component also includes an inner rotating shaft and a pusher wheel. The inner rotating shaft is rotatably disposed inside the second mixing frame, and the pusher wheel is fixedly sleeved on the outside of the inner rotating shaft.

3. A mixing device according to claim 2, characterized in that, The second stirring frame is twice the length of the first stirring frame, and the inner rotating shaft is three times the length of the first stirring frame. One end of the first stirring frame, the second stirring frame, and the inner rotating shaft are flush with each other. The flush end of the first stirring frame, the second stirring frame, and the inner rotating shaft extends to the outside of the material cylinder and is adapted to the speed transmission component. The speed transmission component is adapted to the motor.

4. A mixing device according to claim 3, characterized in that, The outer edges of the first stirring rack, the second stirring rack, and the pusher wheel are all in contact with the inner wall of the material cylinder.

5. A mixing device according to claim 3, characterized in that, The inner wall of the material cylinder is provided with a number of fixing rods, which are distributed in the gaps of the first stirring frame and the gaps of the second stirring frame.

6. A mixing device according to claim 3, characterized in that, The transmission component includes a first set of gears and a second set of gears. The first set of gears has three gears with successively decreasing diameters and are coaxially distributed. The first set of gears is fixedly sleeved on one end of the first stirring frame, one end of the second stirring frame, and one end of the inner rotating shaft. The second set of gears has three gears with successively increasing diameters and are coaxially distributed. The first set of gears and the second set of gears are complementary and mesh with each other. The second set of gears is fixedly connected to the output shaft of the motor.

7. A mixing device according to claim 1, characterized in that, The top of the upward-sloping end of the material cylinder is provided with a feeding trough, and the downward-sloping end of the material cylinder is open and used for feeding.

8. A mixing device according to claim 7, characterized in that, The feed trough is funnel-shaped.

9. A mixing device according to claim 7, characterized in that, An extension plate is provided at the bottom of the open end of the barrel.

10. A mixing device according to claim 7, characterized in that, The bottom of the material cylinder is equipped with a support frame.

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