CN210705495U - Dewatering device of underwater granulator - Google Patents

Abstract

The utility model provides a dewatering device of pelleter under water, including inner tube, urceolus, drum sieve, product bucket and substandard product bucket, the inner tube is located inside the urceolus, the urceolus upper end is fixed with motor one, the output shaft of motor one stretches into the synchronous rotation in upper end of urceolus and inner tube and is connected, the feed inlet has still been opened to the urceolus upper end, the urceolus lower extreme is connected with the drain pipe, the urceolus lower extreme is connected with supports the cover, support the bracing piece that is equipped with lift cylinder and fixed lift cylinder in the cover, be equipped with the rubber buffer that can block up the throat in the throat, the telescopic link upper end of lift cylinder supports and leans on terminal surface under the rubber buffer, be connected with the pipe between support cover and the drum sieve, the pipe passes. The device can dehydrate materials and separate defective products, and has multiple functions and small occupied area.

Description

Dewatering device of underwater granulator

Technical Field

The utility model belongs to the technical field of nylon production, a dewatering device of pelleter under water is related to.

Background

The underwater pelletizer is a new type high molecular polymer semi-finished product processing machine, and its cutting process is implemented in water, so that it is mainly used for processing plastic, nylon and polyester polymer chip particles at present. The plastic raw materials are melted and extruded at high temperature through the extruder, the plastic melt is in a linear shape when coming out of the die head of the extruder, the plastic in the melting state is cooled by the water tank to form linear hard plastic, but the inside of the plastic line is still high in temperature, the cutting operation is directly carried out under water, the center of the cut particles is cooled by water in the process of cutting the particles, and the cut particles are directly subjected to direct water cooling molding.

However, some of the cut particles are stuck together at a higher temperature, which leads to a reduction in product quality, and therefore, it is necessary to separate the particles having a large particle size in a timely manner.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided a dewatering device of pelleter under water, after centrifugal dehydration, at the big granule of process drum sieve separation particle diameter, separate out bad product and qualified product, guarantee the product percent of pass.

The purpose of the utility model can be realized by the following technical proposal: a dehydration device of an underwater granulator comprises an inner barrel, an outer barrel, a rotary screen, a product barrel and a defective barrel, and is characterized in that the inner barrel is positioned in the outer barrel, a water hole is formed in the wall of the inner barrel, a necking is formed in the lower end of the inner barrel, the necking is rotatably connected with the outer barrel through a bearing, a first motor is fixed at the upper end of the outer barrel, an output shaft of the first motor extends into the outer barrel and is synchronously and rotatably connected with the upper end of the inner barrel, a feed inlet is formed in the upper end of the outer barrel, a feed hopper is connected to the feed inlet, a drain pipe is connected to the lower end of the outer barrel, a support sleeve is connected to the lower end of the outer barrel, a lifting cylinder and a support rod for fixing the lifting cylinder are arranged in the support sleeve, a rubber plug capable of plugging the necking is arranged in the necking, the upper end of a telescopic rod of the lifting, a second motor is fixed on the supporting seat, a driven gear which synchronously rotates is arranged on the drum screen, a driving gear which is meshed with the driven gear is fixed on an output shaft of the second motor, small holes and large holes are formed in the drum screen, the small holes are located above the opening of the product barrel, and the large holes are located above the opening of the defective product barrel.

The material is in the feeder hopper that continuous water discharges into together after cutting grain under water, falls into the inner tube from the feeder hopper, and the rubber buffer shutoff is in the throat department this moment, and starting motor one drives the inner tube and rotates, and moisture is thrown away the water hole by pivoted inner tube to discharge from the drain pipe of urceolus. And starting the cylinder after dehydration to jack the rubber plug upwards, so that the materials can enter the supporting sleeve and the guide pipe and fall into the drum screen along the guide pipe, the materials with qualified particle sizes fall into the product barrel from the small holes, the unqualified materials with large particle sizes only continue to roll along the drum screen, and finally fall into the defective product barrel from the large holes.

Furthermore, the upper end of the inner cylinder is provided with a shaft sleeve, and the shaft sleeve is connected with the wall of the inner cylinder through a plurality of connecting rods.

Further, the drum screen is obliquely arranged, and the inclination angle is 15-30 degrees.

Further, the small hole is positioned at one side close to the conduit, and the large hole is positioned at one side far away from the conduit.

Furthermore, the opening part of the defective product barrel is rotatably connected with a lower material plate, the defective product barrel is provided with a self-sealing assembly for driving the lower material plate to seal the opening, the self-sealing assembly comprises a spring, a sleeve fixed on the defective product barrel and a hinge rod sliding along the sleeve, a baffle is fixedly connected onto the hinge rod, a strip-shaped groove is formed in the lower material plate, one end of the hinge rod is slidably connected into the strip-shaped groove, one end of the spring abuts against the baffle, and the other end of the spring abuts against the defective product barrel.

Under the action of the spring, the blanking plate always abuts against the barrel wall of the defective barrel to block the opening, when defective particles fall from the large holes and fall on the blanking plate, the blanking plate accumulates defective particles with certain weight, the spring is compressed, and the blanking plate swings downwards to enable the defective particles to fall into the bottom of the defective barrel.

Furthermore, the driving gear and the driven gear are both helical gears.

Furthermore, a vertical frame is arranged on the side face of the product barrel, and the supporting sleeve is fixed on the vertical frame.

Compared with the prior art, this dewatering device of pelleter under water has following advantage:

1. the device can dehydrate materials and separate defective products, and has multiple functions and small occupied area.

2. After dehydration, the dry materials roll along the guide pipe and the rotary screen to separate the materials with large particle size with probability, and meanwhile, the rotary screen can effectively separate qualified products and defective products.

Drawings

FIG. 1 is a schematic view of the dewatering device of the underwater pelletizer.

FIG. 2 is a schematic view showing the internal structure of the outer cylinder of the dewatering device of the underwater pelletizer.

FIG. 3 is a top view of the inner barrel.

Fig. 4 is an enlarged view of fig. 1 at a.

In the figure, 1, an inner cylinder; 101. necking; 102. a rubber plug; 103. a shaft sleeve; 104. a connecting rod; 2. an outer cylinder; 201. a feed hopper; 202. a drain pipe; 3. a drum screen; 301. a small hole; 302. macropores; 4. a product barrel; 5. a defective product barrel; 6. a first motor; 7. a support sleeve; 701. a lifting cylinder; 702. a support bar; 8. a conduit; 9. a supporting seat; 10. a second motor; 11. a driven gear; 12. a driving gear; 13. a blanking plate; 131. a strip-shaped groove; 14. a spring; 15. a sleeve; 16. a hinged lever; 17. a baffle plate; 18. and (4) erecting a frame.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-3, this dewatering device of underwater granulator includes inner tube 1, urceolus 2, trommel 3, product bucket 4 and substandard product bucket 5, inner tube 1 is located urceolus 2 inside, it has the water hole to open on the inner tube 1 wall, inner tube 1 lower extreme has throat 101, rotate through the bearing between throat 101 and the urceolus 2 and be connected, urceolus 2 upper end is fixed with motor 6, the output shaft of motor 6 stretches into urceolus 2 and is connected with the upper end synchronous rotation of inner tube 1, urceolus 2 upper end still has opened the feed inlet, be connected with feeder hopper 201 on the feed inlet, urceolus 2 lower extreme is connected with drain pipe 202, urceolus 2 lower extreme is connected with support cover 7, be equipped with the bracing piece 702 of lift cylinder 701 and fixed lift cylinder 701 in the support cover 7, be equipped with the rubber buffer 102 that can block off throat 101 in the throat 101. The side surface of the product barrel 4 is provided with a vertical frame 18, and the support sleeve 7 is fixed on the vertical frame 18.

A guide pipe 8 is connected between the support sleeve 7 and the rotary screen 3, the guide pipe 8 is rotatably connected with one end of the rotary screen 3 through a bearing, one end of the rotary screen 3 is rotatably connected with a support seat 9 fixed on the defective bucket 5, a second motor 10 is fixed on the support seat 9, a driven gear 11 which synchronously rotates is arranged on the rotary screen 3, a driving gear 12 meshed with the driven gear 11 is fixed on an output shaft of the second motor 10, a small hole 301 and a large hole 302 are formed in the rotary screen 3, the small hole 301 is located above an opening of the product bucket 4, and the large hole 302 is located above an opening of the defective bucket 5.

The upper end of the inner cylinder 1 is provided with a shaft sleeve 103, and the shaft sleeve 103 is connected with the wall of the inner cylinder 1 through a plurality of connecting rods 104.

The drum screen 3 is obliquely arranged, the inclination angle is 15-30 degrees, the small holes 301 are located on one side close to the guide pipe 8, the large holes 302 are located on one side far away from the guide pipe 8, and the driving gear 12 and the driven gear 11 are all helical gears.

The material is in the feeder hopper 201 together to be connected in water discharge after cutting grain under water, falls into inner tube 1 from feeder hopper 201, and rubber buffer 102 shutoff is in throat 101 department this moment, and starting motor 6 drives inner tube 1 and rotates, and moisture is thrown away the water hole by pivoted inner tube 1 to discharge from the drain pipe 202 of urceolus 2. And starting the air cylinder after dehydration to jack the rubber stopper 102 upwards, so that the materials can enter the supporting sleeve 7 and the guide pipe 8 and fall into the drum screen 3 along the guide pipe 8, the materials with qualified particle sizes fall into the product barrel 4 from the small hole 301, the unqualified materials with large particle sizes only continue to roll along the drum screen 3, and finally fall into the unqualified product barrel 5 from the large hole 302.

As shown in fig. 4, the opening of the defective container 5 is rotatably connected with a blanking plate 13, the defective container 5 is provided with a self-sealing assembly for driving the blanking plate 13 to seal the opening, the self-sealing assembly includes a spring 14, a sleeve 15 fixed on the defective container 5, and a hinge rod 16 sliding along the sleeve 15, the hinge rod 16 is fixedly connected with a baffle 17, the blanking plate 13 is provided with a strip-shaped groove 131, one end of the hinge rod 16 is slidably connected in the strip-shaped groove 131, one end of the spring 14 abuts against the baffle 17, and the other end of the spring abuts against the defective container 5.

Under the action of the spring 14, the blanking plate 13 always abuts against the wall of the defective product barrel 5 to block the opening, when defective product particles fall from the large holes 302 and fall on the blanking plate 13, the blanking plate 13 accumulates defective product particles with certain weight, the spring 14 is compressed, and the blanking plate 13 swings downwards to enable the defective product particles to fall into the bottom of the defective product barrel 5.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (7)

1. A dehydration device of an underwater granulator comprises an inner barrel, an outer barrel, a rotary screen, a product barrel and a defective barrel, and is characterized in that the inner barrel is positioned in the outer barrel, a water hole is formed in the wall of the inner barrel, a necking is formed in the lower end of the inner barrel, the necking is rotatably connected with the outer barrel through a bearing, a first motor is fixed at the upper end of the outer barrel, an output shaft of the first motor extends into the outer barrel and is synchronously and rotatably connected with the upper end of the inner barrel, a feed inlet is formed in the upper end of the outer barrel, a feed hopper is connected to the feed inlet, a drain pipe is connected to the lower end of the outer barrel, a support sleeve is connected to the lower end of the outer barrel, a lifting cylinder and a support rod for fixing the lifting cylinder are arranged in the support sleeve, a rubber plug capable of plugging the necking is arranged in the necking, the upper end of a telescopic rod of the lifting, a second motor is fixed on the supporting seat, a driven gear which synchronously rotates is arranged on the drum screen, a driving gear which is meshed with the driven gear is fixed on an output shaft of the second motor, small holes and large holes are formed in the drum screen, the small holes are located above the opening of the product barrel, and the large holes are located above the opening of the defective product barrel.

2. The dewatering device for the underwater pelletizer as claimed in claim 1, wherein the inner cylinder has a shaft sleeve at an upper end thereof, and the shaft sleeve is connected with the inner cylinder wall through a plurality of connecting rods.

3. The dewatering device for an underwater pelletizer according to claim 2, wherein the trommel is disposed at an angle of 15 to 30 °.

4. The dewatering apparatus for an underwater pelletizer as claimed in claim 3, wherein the small hole is located on a side close to the conduit and the large hole is located on a side remote from the conduit.

5. The dewatering device for the underwater pelletizer according to claim 4, wherein a lower material plate is rotatably connected to the opening of the inferior barrel, a self-sealing assembly is disposed on the inferior barrel for driving the lower material plate to seal the opening, the self-sealing assembly includes a spring, a sleeve fixed on the inferior barrel, and a hinge rod sliding along the sleeve, a baffle is fixedly connected to the hinge rod, a strip-shaped groove is formed in the lower material plate, one end of the hinge rod is slidably connected to the strip-shaped groove, one end of the spring abuts against the baffle, and the other end of the spring abuts against the inferior barrel.

6. The dewaterer apparatus of claim 5, wherein the drive gear and the driven gear are helical gears.

7. The dewatering device for an underwater pelletizer according to claim 6, wherein a vertical frame is provided on a side surface of the product barrel, and the support sleeve is fixed to the vertical frame.

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