Extrusion device for chlorinated polyvinyl chloride production

Abstract

The utility model discloses an extrusion device for chlorinated polyvinyl chloride production, and relates to the technical field of chlorinated polyvinyl chloride production, the lower part of an extruder is provided with a base, the inlet of the extruder is communicated with a feed bin through a pipeline, the outlet of the extruder is communicated with a shearing bin, the lower part of the shearing bin is provided with a discharge port, and the discharge port is provided with a discharge port. And the upper part of the shearing bin is communicated with an air inlet tank. A powdery chlorinated polyvinyl chloride material enters the extruder from the feeding bin, is cut by the cutting bin at the outlet of the extruder after being heated, and is finally discharged from the discharge port after being pressurized and purged by the air inlet tank, so that the extruded material is not easy to accumulate at the discharge port, the discharge effect is good, and the subsequent granulation operation is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to chlorinated polyvinyl chloride production technical field, specifically relates to a kind of extrusion device for chlorinated polyvinyl chloride production. BACKGROUND

[0002] Chlorinated polyvinyl chloride is modified by polyvinyl chloride (PVC) resin chlorination, and is a new type of engineering plastic.The product is white or light yellow odorless, odorless, non-toxic, loose particles or powder.PVC resin is chlorinated, and the irregularity of molecular chain arrangement increases, and the polarity increases, so that the solubility of resin increases, and the chemical stability increases, so that the heat resistance and corrosion resistance of the material to acid, base, salt, oxidizing agent and the like are improved.

[0003] The existing chlorinated polyvinyl chloride extrusion device is poured into chlorinated polyvinyl chloride powder from the inlet of the extruder, then heated and melted by the extruder, and finally extruded into a shape, but the material after the final extrusion is not easy to separate and discharge, and is easy to be stuck in the outlet of the extruder, so that the material is accumulated, and the extrusion process is affected. SUMMARY

[0004] The technical problem to be solved by the utility model is that, in view of the deficiencies in the prior art, an extrusion device for chlorinated polyvinyl chloride production is provided, and the formed material is smoothly discharged and is not easy to accumulate.

[0005] To solve the above technical problems, the technical scheme of the utility model is:

[0006] An extrusion device for chlorinated polyvinyl chloride production, comprising an extruder, a base is arranged at the lower part of the extruder, a feeding bin is communicated with the inlet of the extruder through a pipeline, a shearing bin is communicated with the outlet of the extruder, a discharge port is arranged at the lower part of the shearing bin, and a gas inlet tank is communicated with the upper part of the shearing bin.

[0007] As an improved technical scheme, a horizontal stirring shaft is arranged at the lower part of the feeding bin, and a stirring motor is connected to one end of the stirring shaft.

[0008] As an improved technical scheme, a plurality of rotating sleeves are arranged on the outer side of the stirring shaft, and a plurality of conical crushing teeth are arranged on the outer side of the rotating sleeve in a circumferential direction.

[0009] As an improved technical scheme, a plurality of conical sharp parts are arranged on the inner wall of the feeding bin.

[0010] As an improved technical scheme, a rotating shaft is arranged in the extruder, an extrusion motor is connected to one end of the rotating shaft, a screw blade is arranged on the outer side of the rotating shaft, and the rotating shaft is a hollow rotating shaft.

[0011] As an improved technical scheme, a conical guide head is arranged at the end of the rotating shaft close to the outlet of the extruder.

[0012] As a preferred technical scheme, the outlet end of the extruder is provided with a filter screen.

[0013] As a preferred technical scheme, the shearing bin is provided with a shearing shaft, one end of the shearing shaft extends out of the shearing bin and is connected with a shearing motor, and the shearing shaft is provided with a cutter near the outlet of the extruder.

[0014] As a preferred technical scheme, the upper portion of the shearing bin is provided with a glass sight glass.

[0015] Due to the adoption of the above technical scheme, the extrusion device has the following beneficial effects:

[0016] The utility model discloses an extrusion device for chlorinated polyvinyl chloride production, including the extruder, the lower part of extruder is equipped with the base, the inlet of extruder is connected with the feeding bin through the pipeline, the outlet of extruder is connected with the shearing bin, the lower part of shearing bin is equipped with the discharge gate, the upper portion of shearing bin is connected with the air inlet tank. The chlorinated polyvinyl chloride material of powder enters the extruder from the feeding bin, then is cut after heating in the outlet of extruder through the shearing bin, finally is discharged from the discharge gate after the pressurized purging of air inlet tank, and the extruded material is not easy to accumulate in the discharge gate, and the discharge effect is good, which is convenient for subsequent granulation operation.

[0017] The lower part of the feeding bin is provided with a horizontal stirring shaft, and one end of the stirring shaft is connected with a stirring motor. Through the rotation of the stirring shaft, the material is loosened, and the possibility of pipe blockage caused by material accumulation and compaction in the pipe is reduced.

[0018] A plurality of rotating sleeves are arranged on the outer side of the stirring shaft, and a plurality of conical crushing teeth are arranged on the outer side of the rotating sleeves in a circumferential direction. The crushing teeth contact the material in the lower part of the feeding bin to crush the material into small pieces, greatly avoiding the possibility of blockage caused by material accumulation.

[0019] A plurality of conical spike portions are arranged on the inner wall of the feeding bin. The spike portions crush and distribute the material, greatly reducing the possibility of material wall sticking in the feeding bin, making the material discharge more smooth and the feeding more smooth.

[0020] A rotating shaft is arranged in the extruder, one end of the rotating shaft is connected with an extrusion motor, the outer side of the rotating shaft is provided with an auger blade, and the rotating shaft is a hollow rotating shaft. The hollow rotating shaft greatly reduces the weight of the equipment and reduces the operating cost, and the auger blade can better transport the heated material forward.

[0021] A conical guide head is arranged at one end of the rotating shaft near the outlet of the extruder. The material can be more smoothly separated from the rotating shaft, and more conveniently enter the discharge port of the extruder, facilitating the separation of the formed material.

[0022] The outlet end of the extruder is provided with a filter screen, which intercepts the caked or large-sized formed material, thereby avoiding the clogging of the discharge port.

[0023] The shearing bin is provided with a shearing shaft, one end of the shearing shaft extends out of the shearing bin and is connected with a shearing motor, and the shearing shaft is provided with a cutter near the outlet of the extruder.

[0024] The upper portion of the shearing bin is provided with a glass sight glass, which can better observe the cutting condition of the material. BRIEF DESCRIPTION OF DRAWINGS

[0025] The utility model will be further explained in connection with the drawings and examples.

[0026] Figure 1 It is the structure schematic diagram of the utility model example;

[0027] Figure 2 It is the sectional view of the utility model example;

[0028] Figure 3 It is Figure 2 The enlarged view of A in the middle;

[0029] Figure 4 It is Figure 2 The enlarged view of B in the middle;

[0030] Figure 5 It is Figure 2 The structure schematic diagram of the cutter in the middle;

[0031] Wherein: 1, extruder, 2, base, 3, feed bin, 4, shearing bin, 5, discharge port, 6, air inlet tank, 7, stirring shaft, 8, stirring motor, 9, rotating sleeve, 10, crushing tooth, 11, thorn part, 12, rotating shaft, 13, extrusion motor, 14, auger blade, 15, guide head, 16, filter screen, 17, shearing shaft, 18, shearing motor, 19, cutter, 20, glass sight glass. DETAILED DESCRIPTION

[0032] The utility model will be further explained in connection with the drawings and examples.

[0033] As Figures 1-5The illustrated, an extrusion device for chlorinated polyvinyl chloride production, including extruder 1, the lower part of the extruder 1 is provided with the base 2, the inlet of the extruder 1 is communicated with the feed bin 3 through the pipeline, the outlet of the extruder 1 is communicated with the shear bin 4, the lower part of the shear bin 4 is provided with the discharge port 5, the upper part of the shear bin 4 is communicated with the air tank 6. The powder of chlorinated polyvinyl chloride material from the feed bin 3 into the extruder 1, then after heating in the outlet of the extruder 1 through the shear bin 4 cutting, finally through the pressurized purge of the air tank 6, the cutting material is discharged from the discharge port 5, the extruded material is not easy to accumulate in the discharge port 5, the discharge effect is good, and the subsequent granulation operation is convenient.

[0034] The lower part of the feed bin 3 is provided with a horizontal stirring shaft 7, one end of the stirring shaft 7 is connected with a stirring motor 8. Through the rotation of the stirring shaft 7, the loose of the material is realized, and the possibility of pipe blockage caused by material accumulation and compaction in the pipeline is reduced.

[0035] The outer side of the stirring shaft 7 is provided with a plurality of rotating sleeves 9, and the outer side of the rotating sleeve 9 is circumferentially provided with a plurality of conical crushing teeth 10. Through the contact of the crushing teeth 10 with the material in the lower part of the feed bin 3, the material is broken into small pieces, greatly avoiding the possibility of blockage caused by material accumulation.

[0036] The inner wall of the feed bin 3 is provided with a plurality of conical spikes 11, which can greatly reduce the possibility of wall hanging of the material in the feed bin 3, and the material can be discharged more smoothly.

[0037] The extruder 1 is provided with a rotating shaft 12, one end of the rotating shaft 12 is connected with an extrusion motor 13, the outer side of the rotating shaft 12 is provided with an auger blade 14, and the rotating shaft 12 is a hollow rotating shaft 12. The hollow rotating shaft 12 greatly reduces the weight of the equipment and reduces the operating cost, and the auger blade 14 can better transport the heated material forward.

[0038] The rotating shaft 12 is provided with a conical guide head 15 near the outlet end of the extruder 1, the material can be more smoothly separated from the rotating shaft 12, and more conveniently enter the discharge port 5 of the extruder 1, which is convenient for the separation of the formed material.

[0039] The outlet end of the extruder 1 is provided with a filter screen 16 to intercept the caked or large-sized formed material, avoiding the blockage of the discharge port 5.

[0040] The shearing bin 4 is internally provided with a shearing shaft 17, one end of the shearing shaft 17 extends out of the shearing bin 4 and is connected with a shearing motor 18, the shearing shaft 17 is provided with a cutter 19 near the outlet of the extruder 1, the formed material can be conveniently cut by the cutter 19, the separation of the material is simpler, and the material can be more smoothly discharged from the discharge port 5 in cooperation with the blowing of the air inlet tank 6.

[0041] The upper portion of the shearing bin 4 is provided with a glass sight glass 20, and the cutting condition of the material can be better observed.

[0042] It should be understood that the above embodiments are only used for illustrating the present application and are not used for limiting the scope of the present application. Furthermore, it should be understood that after reading the content taught by the present application, those skilled in the art can make various modifications or changes to the present application, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

Claims

1. An extrusion device for producing chlorinated polyvinyl chloride, comprising an extruder, a lower portion of the extruder being provided with a base, characterized in that: The inlet of the extruder is communicated with a feeding bin through a pipeline, the outlet of the extruder is communicated with a shearing bin, the lower part of the shearing bin is provided with a discharging port, and the upper part of the shearing bin is communicated with an air inlet tank.

2. The extrusion device for producing chlorinated polyvinyl chloride according to claim 1, characterized in that: The lower part of the feeding bin is provided with a horizontal stirring shaft, and one end of the stirring shaft is connected with a stirring motor.

3. The extrusion device for producing chlorinated polyvinyl chloride according to claim 2, wherein: The outer side of the stirring shaft is provided with a plurality of rotating sleeves, and the outer side of each rotating sleeve is circumferentially provided with a plurality of conical crushing teeth.

4. The extrusion device for producing chlorinated polyvinyl chloride according to claim 1, wherein: The inner wall of the feeding bin is provided with a plurality of conical sharp parts.

5. The extrusion device for producing chlorinated polyvinyl chloride according to claim 1, wherein: The extruder is internally provided with a rotating shaft, one end of the rotating shaft is connected with an extruding motor, the outer side of the rotating shaft is provided with a screw blade, and the rotating shaft is a hollow rotating shaft.

6. The extrusion device for producing chlorinated polyvinyl chloride according to claim 5, characterized in that: The rotating shaft is provided with a conical guide head near the outlet end of the extruder.

7. The extrusion device for producing chlorinated polyvinyl chloride according to claim 1, wherein: The outlet end of the extruder is provided with a filter screen.

8. The extrusion device for producing chlorinated polyvinyl chloride according to claim 1, wherein: The shearing bin is internally provided with a shearing shaft, one end of the shearing shaft extends out of the shearing bin and is connected with a shearing motor, and the shearing shaft is provided with a cutter near the outlet of the extruder.

9. The extrusion device for producing chlorinated polyvinyl chloride according to claim 1, wherein: The upper part of the shearing bin is provided with a glass sight glass.

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