CN108568919B - Plastic raw material stirring device - Google Patents

Abstract

The invention relates to the technical field of mixing devices in plastic processing, in particular to a plastic raw material stirring device which comprises a charging bucket and a spiral conveying mechanism, wherein a feeding mechanism is arranged on the outer side of the charging bucket, the feeding mechanism comprises a sealed feeding box fixedly connected with the charging bucket, a vertical supporting shaft is rotatably connected in the feeding box, a distributing wheel is coaxially and fixedly connected onto the supporting shaft, the distributing wheel comprises a wheel shaft and at least 4 partition plates, the wheel shaft is coaxially and fixedly connected with the supporting shaft, the partition plates are uniformly arranged along the circumferential direction of the wheel shaft, and a separation cavity is formed between every two adjacent partition plates; a material guide pipe is communicated between the feeding box and the discharging box, and a feeding opening communicated with the material guide pipe is arranged at the bottom of the feeding box; the outside of storage bucket sets firmly the cylinder, and the cylinder communicates with the inside of storage bucket, and the cylinder passes through gear drive mechanism drive back shaft and rotates. The scheme solves the problem of low efficiency in the mixing of plastic raw materials in the prior art.

Description

Plastic raw material stirring device

Technical Field

The invention relates to the technical field of mixing devices in plastic processing, in particular to a plastic raw material stirring device.

Background

During the production of plastic products, other raw materials are added into main plastic raw materials, so that the plastic products with corresponding properties are obtained. After other raw materials are added into the plastic raw materials, the plastic raw materials need to be stirred and mixed, so that the raw materials are uniformly mixed, and the performances of the produced plastic products in the same batch are consistent. The existing mixing device mainly adopts a vertical plastic mixing device for mixing, and comprises a bracket, wherein a charging basket is arranged on the bracket, a vertical spiral conveying mechanism is arranged in the middle of the charging basket, and a hopper is arranged at the bottom of the spiral conveying mechanism; the plastic raw materials are added into the hopper, the plastic raw materials are conveyed to the top of the charging barrel by the spiral conveying mechanism and then spread like an umbrella to fall, the fallen raw materials are conveyed to the top of the charging barrel by the spiral conveying mechanism again to fall, and the purpose of uniformly mixing the raw materials can be realized after the process is repeated for many times. Because only one hopper is provided, all raw materials can only be added from the hopper, and the raw materials are transported by the spiral conveying mechanism, so that the raw materials can be sequentially transported by the spiral conveying mechanism, and the raw materials which enter the charging bucket firstly enter the spiral conveying mechanism again firstly, so that the raw materials can be uniformly mixed for a long time, and the mixing efficiency of the raw materials is low.

Disclosure of Invention

The invention aims to provide a plastic raw material stirring device to solve the problem of low efficiency in mixing of plastic raw materials in the prior art.

The basic scheme of the invention is as follows: the plastic raw material stirring device comprises a support, wherein a sealed material barrel is fixedly arranged on the support, a spiral conveying mechanism is arranged at the bottom of the material barrel and comprises a feeding pipe, the upper end of the feeding pipe extends to the top of the inner side of the material barrel, the lower end of the feeding pipe penetrates through the bottom of the material barrel and is connected with the support, the lower part of the feeding pipe is communicated with a feeding hopper, a motor for driving the spiral conveying mechanism to rotate is arranged at the top of the material barrel, a circulating material pipe opposite to the feeding hopper is arranged at the bottom of the material barrel, a control valve is arranged on the circulating material pipe, a blade wheel is arranged at the top of the feeding pipe, the axial direction of the blade wheel is perpendicular to the axial direction of the feeding pipe, a rotary table is coaxially and rotatably connected to the lower part of the feeding pipe, a blanking gap is formed between the edge of; a cavity is formed in the turntable, an opening communicated with the cavity is formed in the edge of the turntable, a material discharging box is arranged at the top of the turntable, and the interior of the material discharging box is communicated with the cavity of the turntable; the feeding mechanism is arranged outside the charging barrel and comprises a sealed feeding box fixedly connected with the charging barrel, a vertical supporting shaft is rotatably connected inside the feeding box, a distributing wheel is coaxially and fixedly connected onto the supporting shaft and comprises a wheel shaft and at least 4 partition plates, the wheel shaft is coaxially and fixedly connected with the supporting shaft, the partition plates are uniformly arranged along the circumferential direction of the wheel shaft, and a partition cavity is formed between every two adjacent partition plates; a material guide pipe is communicated between the feeding box and the discharging box, and a feeding opening communicated with the material guide pipe is arranged at the bottom of the feeding box; the supporting shaft is coaxially and fixedly connected with a driven bevel gear, the charging basket is rotatably connected with a transmission shaft, the transmission shaft is coaxially and fixedly connected with a transmission bevel gear meshed with the driven bevel gear, the transmission shaft is coaxially and fixedly connected with a transmission cylindrical gear, the outer side of the charging basket is fixedly provided with an air cylinder, the air cylinder is communicated with the interior of the charging basket, and a rack meshed with the transmission cylindrical gear is fixedly arranged on the air cylinder; the top of storage bucket is equipped with the blast pipe, installs the valve on the blast pipe.

The working principle is as follows: the main raw materials are placed into a feed hopper, the raw materials to be added are placed into the feed box, and the raw materials to be added are uniformly divided into a plurality of parts through a material dividing wheel. The starting motor drives the spiral conveying mechanism to work, so that the spiral conveying mechanism conveys the main raw materials in the feed hopper upwards through the feed pipe. The main raw materials promote the air in the pay-off pipe to enter into the storage bucket when moving in the pay-off pipe, and at this moment, the blast pipe is in the state of ventilating, then the air discharge in the storage bucket. When the main raw materials are discharged from the top of the feeding pipe, the valve on the exhaust pipe is closed, so that air in the charging basket enters the air cylinder, the air cylinder drives the supporting shaft to rotate through the rack, the supporting shaft drives the distributing wheel to rotate, the raw materials to be added are discharged into the discharging box through the feeding port and the material guide pipe when the distributing wheel rotates, and the raw materials enter the cavity of the rotary table from the discharging box. Simultaneously, main raw materials when the top discharge of conveying pipe, owing to receive the effect of centrifugal force and scatter all around, then, main raw materials promotes the impeller rotation, and the impeller drives the carousel through first drive mechanism and rotates, and the carousel rotates the time-spent raw materials that make need add in the carousel cavity and follow the opening discharge at carousel edge under the effect of centrifugal force, and simultaneously, main raw materials passes along the space between carousel and the storage bucket inner wall finally after the upper end discharge of conveying pipe. The main raw materials pass through the gap between the turntable and the inner wall of the charging basket, and simultaneously, the raw materials needing to be added are discharged from the edge of the turntable, so that the two raw materials are mixed.

Compared with the prior art, the scheme has the advantages that: 1. through setting up the impeller, utilize the centrifugal impact force drive impeller of raw materials to rotate to make the impeller drive the carousel and rotate, thereby realize the raw materials that the carousel dispersion needs to add. 2. Through setting up cylinder and reinforced mechanism, utilize in the air squeezes into the cylinder when main raw materials gets into the storage bucket to make the cylinder promote reinforced mechanism reinforced, realized adding the raw materials that need add in the dispersion main raw materials, be favorable to the quick misce bene of two kinds of raw materials. 3. The stroke of cylinder is relevant with the volume that gets into the main raw materials in the storage bucket, simultaneously, through setting up the branch material wheel, can realize the interval and add the raw materials that need add to make the raw materials that need add scatter and distribute in the main raw materials, compare in adding the feeder hopper simultaneously with two kinds of raw materials among the prior art, be favorable to the flash mixed of two kinds of raw materials even.

Further, a touch switch is fixedly mounted at the upper end of the feeding pipe, the valve is an electromagnetic valve, and the touch switch is electrically connected with the electromagnetic valve. Through setting up touch switch and solenoid valve, can trigger touch switch when discharging from the pay-off pipe through main raw materials, make solenoid valve self-closing to the self-closing of blast pipe has been realized.

Furthermore, the partition plate is connected with the wheel shaft in a sliding mode along the axial direction of the wheel shaft, and the partition plate is a telescopic plate which stretches along the sliding direction. Through setting up telescopic division board, after adding the raw materials in toward reinforced box, make the division board shrink earlier, make the division board extension behind the material flattening to equally divide the material fast, need not to equally divide after measuring the weight of material, thereby realized equally dividing the purpose fast to the material of different weight, improved efficiency.

Further, be equipped with the filter in the feeder hopper, the filter can be dismantled with the feeder hopper and be connected. Through setting up the filter, can prevent that great debris from entering into in the feeding mechanism and causing the influence to the pay-off.

Furthermore, an observation window is arranged on the side wall of the charging bucket, and a transparent observation plate covers the observation window. Through setting up the observation window, can observe the mixed condition in the storage bucket at any time, be convenient for make corresponding operation.

Further, the control valve is an electric valve. The control valve is set to be an electric valve, so that electric control is conveniently realized, manual operation is not needed, and the burden of workers is reduced.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a plastic material stirring apparatus according to the present invention;

fig. 2 is a schematic structural view of the feeding box in fig. 1.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a motor 1, a charging bucket 2, a vane wheel 3, a rotating shaft 4, a feeding pipe 5, an exhaust pipe 6, a cylinder 7, a supporting shaft 8, a feeding box 9, a feeding opening 91, a material guide pipe 10, a material discharging box 11, a rotating disc 12, a cavity 121, a feeding hopper 13 and a partition plate 14.

The embodiment is basically as shown in the attached figures 1 and 2: plastic material agitating unit, including the support, the welding has sealed storage bucket 2 on the support, and the upper portion of storage bucket 2 is cylindrical, and the lower part is the back taper. An observation window is arranged on the side wall of the charging basket 2, and a transparent observation plate is embedded on the observation window. The top of storage bucket 2 is equipped with blast pipe 6, installs the solenoid valve on blast pipe 6. The middle part of storage bucket 2 is equipped with vertical spiral delivery mechanism, spiral delivery mechanism includes conveying pipe 5 and pivot 4, pivot 4 and the coaxial setting of conveying pipe 5, the upper end of conveying pipe 5 extends to the roof downside of storage bucket 2, the lower extreme of conveying pipe 5 runs through the bottom of storage bucket 2 and welds with storage bucket 2, the lower extreme of pivot 4 rotates with conveying pipe 5 to be connected, the upper end of pivot 4 runs through the roof of storage bucket 2 and rotates with the roof to be connected, the welding has spiral scraping wings in the pivot 4. And a touch switch electrically connected with the electromagnetic valve is arranged at the upper end of the feeding pipe 5. The lower part of the feeding pipe 5 is communicated with a feed hopper 13, and the feed hopper 13 is welded with the bracket. A filter plate is arranged in the feed hopper 13 and is connected in the feed hopper 13 through a bolt. The bottom of the charging basket 2 is communicated with a circulating material pipe opposite to the feeding hopper 13, and the circulating material pipe is provided with a control valve which is an electric valve. The top plate fixed mounting of storage bucket 2 has motor 1, is equipped with belt drive mechanism between motor 1 and the pivot 4, and belt drive mechanism includes driving pulley, driven pulleys and drive belt, and driving pulley is connected with the coaxial flat key of output shaft of motor 1, and driven pulleys is connected with the coaxial flat key of pivot 4, and the drive belt is around establishing on driving pulley and driven pulleys.

The welding of the top of conveying pipe 5 has the link, rotates on the link to be connected with impeller 3. The lower part of the feeding pipe 5 is rotatably connected with a rotary disc 12, and the rotary disc 12 is positioned inside the charging basket 2. A first transmission mechanism is arranged between the impeller 3 and the turntable 12 and comprises a first bevel gear, the first bevel gear and the impeller 3 are coaxially and fixedly arranged, a vertical first transmission shaft is rotatably connected to the feeding pipe 5, a second bevel gear meshed with the first bevel gear is coaxially welded at the upper end of the first transmission shaft, a third bevel gear is coaxially welded at the lower end of the first transmission shaft, and a gear ring meshed with the third bevel gear is coaxially welded at the upper part of the turntable 12. The inner part of the rotating disc 12 is provided with a cavity 121, and the edge of the rotating disc 12 is provided with an opening communicated with the cavity 121. The top of the rotary table 12 is provided with an annular discharging box 11, the discharging box 11 is sleeved on the feeding pipe 5 and welded with the feeding pipe 5, the rotary table 12 is in sealed rotation fit with the discharging box 11, and a cavity 121 of the rotary table 12 is communicated with the discharging box 11. A feeding mechanism is arranged outside the charging barrel 2 and comprises a sealed feeding box 9, the feeding box 9 is connected with the charging barrel 2 through a bolt, a material guide pipe 10 is connected between the feeding box 9 and a material discharging box 11, and a feeding opening 91 communicated with the material guide pipe 10 is eccentrically arranged at the bottom of the feeding box 9; a vertical supporting shaft 8 is arranged inside the feeding box 9, and the supporting shaft 8 is rotatably connected with the feeding box 9; the supporting shaft 8 is coaxially provided with a material distributing wheel, the material distributing wheel comprises a wheel shaft and six partition plates 14 uniformly arranged along the circumferential direction of the wheel shaft, a separation cavity is formed between every two adjacent partition plates 14, the wheel shaft is connected with the supporting shaft 8 through a coaxial flat key, and the partition plates 14 are expansion plates capable of expanding vertically and are connected with the wheel shaft in an axial sliding manner; the coaxial parallel key in upper end of back shaft 8 is connected with driven bevel gear, the left side of back shaft 8 is equipped with horizontal transmission shaft, the transmission shaft rotates with storage bucket 2 to be connected, the coaxial parallel key in right-hand member of transmission shaft connects transmission bevel gear, the coaxial parallel key in left part of transmission shaft is connected with transmission cylindrical gear, there is the drive rack along vertical sliding connection on storage bucket 2, the upper end that drives the drive rack is connected with vertical flexible cylinder 7, cylinder 7 fixed mounting is on storage bucket 2, the inside of cylinder 7 communicates with the inside of storage bucket 2.

The specific implementation process is as follows: the main raw materials are put into a feed hopper 13, the raw materials to be added are put into a feed box 9, and the raw materials to be added are divided into a plurality of parts through a material distribution wheel. Starting motor 1 drives pivot 4 and rotates, and pivot 4 promotes the main raw materials in the feeder hopper 13 through the push pedal and removes along conveying pipe 5, and main raw materials promotes the air in conveying pipe 5 when removing in conveying pipe 5 and enters into storage bucket 2, and at this moment, the solenoid valve on the blast pipe 6 is in the open mode to make the gas outgoing in the storage bucket 2. When the main raw material is discharged from the top end of the feeding pipe 5, the raw material triggers the touch switch, so that the electromagnetic valve is closed. As the main raw materials continuously enter the charging basket 2, the air in the charging basket 2 is extruded into the cylinder 7, so that the cylinder 7 drives the supporting shaft 8 to rotate through the rack, the supporting shaft 8 drives the distributing wheel to rotate, and when the distributing wheel rotates, the raw materials to be added are discharged into the discharging box 11 through the feeding port 91 and the material guide pipe 10 and enter the cavity 121 of the rotary disc 12 from the discharging box 11. Simultaneously, when main raw materials discharged from the top of conveying pipe 5, because receive the effect of centrifugal force and scatter all around, then, main raw materials promotes impeller 3 and rotates, impeller 3 drives carousel 12 through first drive mechanism and rotates, carousel 12 rotates the time messenger carousel 12 cavity 121 in need the raw materials that add discharge from the opening at carousel 12 edge under the effect of centrifugal force, simultaneously, main raw materials finally passes along the space between carousel 12 and the storage bucket 2 inner wall after discharging from the upper end of conveying pipe 5. The main raw material passes through the gap between the rotary disc 12 and the inner wall of the charging basket 2, and the raw material to be added is discharged from the edge of the rotary disc 12, so that the two raw materials are mixed. Along with the main raw materials continuously enter the charging bucket 2, the air push cylinder 7 extends, so that the charging box 9 is intermittently added with the raw materials to be added into the discharging box 11, and the two raw materials are preliminarily mixed.

Claims (6)

1. Plastic material agitating unit, which comprises a bracket, the sealed storage bucket has set firmly on the support, the bottom of storage bucket is equipped with spiral delivery mechanism, spiral delivery mechanism includes the conveying pipe, the upper end of conveying pipe extends to the inboard top of storage bucket, the lower extreme of conveying pipe run through the bottom of storage bucket and with leg joint, the lower part intercommunication of conveying pipe has the feeder hopper, the top of storage bucket is equipped with drive spiral delivery mechanism pivoted motor, the bottom of storage bucket is equipped with the circulation material pipe relative with the feeder hopper, be equipped with the control valve on the circulation material pipe, its characterized in that: the feeding device comprises a feeding pipe, a blade wheel, a first transmission mechanism, a second transmission mechanism and a third transmission mechanism, wherein the top of the feeding pipe is provided with the blade wheel, the axial direction of the blade wheel is vertical to the axial direction of the feeding pipe, the lower part of the feeding pipe is coaxially and rotatably connected with a rotary disc, a blanking gap is arranged between the edge of the rotary disc and the inner wall of a charging barrel, the first transmission mechanism comprises a first bevel gear, the first bevel gear and the blade wheel are coaxially and fixedly arranged, the feeding pipe is rotatably connected with a vertical first transmission shaft, the upper end of the first transmission shaft is coaxially welded with a second bevel gear meshed with the first bevel gear, the lower end of the first transmission shaft is coaxially welded with a third bevel gear, and the upper; a cavity is formed in the turntable, an opening communicated with the cavity is formed in the edge of the turntable, a material discharging box is arranged at the top of the turntable, and the interior of the material discharging box is communicated with the cavity of the turntable; the feeding mechanism is arranged outside the charging barrel and comprises a sealed feeding box fixedly connected with the charging barrel, a vertical supporting shaft is rotatably connected inside the feeding box, a distributing wheel is coaxially and fixedly connected onto the supporting shaft and comprises a wheel shaft and at least 4 partition plates, the wheel shaft is coaxially and fixedly connected with the supporting shaft, the partition plates are uniformly arranged along the circumferential direction of the wheel shaft, and a partition cavity is formed between every two adjacent partition plates; a material guide pipe is communicated between the feeding box and the discharging box, and a feeding opening communicated with the material guide pipe is arranged at the bottom of the feeding box; the supporting shaft is coaxially and fixedly connected with a driven bevel gear, the charging basket is rotatably connected with a transmission shaft, the transmission shaft is coaxially and fixedly connected with a transmission bevel gear meshed with the driven bevel gear, the transmission shaft is coaxially and fixedly connected with a transmission cylindrical gear, the outer side of the charging basket is fixedly provided with an air cylinder, the air cylinder is communicated with the interior of the charging basket, and a rack meshed with the transmission cylindrical gear is fixedly arranged on the air cylinder; the top of storage bucket is equipped with the blast pipe, installs the valve on the blast pipe.

2. The plastic material mixing device of claim 1, wherein: the upper end fixed mounting of conveying pipe has touch switch, the valve is the solenoid valve, and touch switch is connected with the solenoid valve electricity.

3. The plastic material mixing device of claim 2, wherein: the partition plate is connected with the wheel shaft in a sliding mode along the axial direction of the wheel shaft, and the partition plate is a telescopic plate capable of stretching along the sliding direction.

4. The plastic material mixing device of claim 3, wherein: the filter is arranged in the feed hopper and can be detachably connected with the feed hopper.

5. The plastic material mixing device of claim 4, wherein: an observation window is arranged on the side wall of the charging bucket, and a transparent observation plate covers the observation window.

6. The plastic material mixing device of claim 5, wherein: the control valve is an electric valve.

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