CN215589676U

CN215589676U - Be applied to granulation equipment in medical PVC aggregate preparation process

Info

Publication number: CN215589676U
Application number: CN202120982060.3U
Authority: CN
Inventors: 孙方志; 钱所宏; 孙晓英; 李文余
Original assignee: Jiangsu Kangfeng Polymer Material Co ltd
Current assignee: Jiangsu Kangfeng Polymer Material Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2022-01-21
Anticipated expiration: 2031-05-08

Abstract

The application discloses be applied to granulation equipment in medical PVC aggregate preparation process, including crowded material unit and ejection of compact head, crowded material unit is spiral extruder, and ejection of compact head is installed in the tip of spiral extruder, go out the stub bar and include middle section of thick bamboo portion, play flitch and tip board, middle section of thick bamboo portion both ends opening, and middle section of thick bamboo portion department is connected with the unloading pipe, it has a plurality of granulation holes to go out flitch department, and tip board and play flitch are circular, and tip board department installs the cutting knife motor, and the cutting knife unit is installed to the motor shaft department of cutting knife motor, and tip board department still is connected with the surrounding plate of ring cylinder shape, and surrounding plate department has a plurality of locking bolts that are used for with surrounding plate and middle section of thick bamboo portion are fixed, and tip board department still has a plurality of passing the adjusting bolt of tip board, adjusting bolt's tip is used for the butt the tip of middle section of thick bamboo portion. The utility model provides a granulation equipment discharge head integrated level is high, and the aggregate is collected effectually.

Description

Be applied to granulation equipment in medical PVC aggregate preparation process

Technical Field

The application relates to the field of macromolecules, in particular to granulation equipment applied to a preparation process of medical PVC granules.

Background

The medical plastic industry has attracted attention with its high added value, high acceleration rate and broad market potential, and by adopting a novel plastic material, medical instruments can be safer and more environment-friendly. The economic growth of southeast Asia countries is expected to be strong and the health care consumption will double. With the aging and increasing population, the investment in the medical equipment production industry is promoted. Policy and regulation for the healthcare industry is also becoming more regulated, and as costs and concerns over healthcare increase, the quality of medical devices becomes of particular importance. The medical PVC material needs to be subjected to a granulating step in the preparation process, a rotating cutting knife is needed to cut the granules in the granulating process, and the granules are collected, but the granules cut by the cutting knife can cause the scattering of the granules, so that certain interference is brought to the collection of the granules.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the application aims to overcome the defects of the prior art and provides the granulation equipment applied to the preparation process of the medical PVC granules.

The technical scheme is as follows: a granulation device applied to the preparation process of medical PVC granules comprises an extruding unit and a discharging head, wherein the extruding unit is a spiral extruding machine, the discharging head is installed at the end part of the spiral extruding machine and comprises a middle cylinder part, a discharging plate positioned at one end of the middle cylinder part and an end plate fixed at the other end of the middle cylinder part, the two ends of the middle cylinder part are open, the middle cylinder part is connected with a discharging pipe, the discharging plate is provided with a plurality of granulation holes, the end plate and the discharging plate are both circular, a cutting knife motor is installed at the end plate, a cutting knife unit is installed at a motor shaft of the cutting knife motor, the end plate is further connected with a circular cylindrical surrounding plate, the surrounding plate is provided with a plurality of locking bolts for fixing the surrounding plate and the middle cylinder part, and the end plate is further provided with a plurality of adjusting bolts for penetrating through the end plate, the end of the adjusting bolt is used for abutting against the end of the middle cylinder part.

Further, the cutter unit comprises a mounting ring fixed at the motor shaft, and the mounting ring is provided with two cutters.

Further, the one end that middle section of thick bamboo portion is close to the play flitch has ring shape chimb, ring shape chimb department has a plurality of be used for going out the stub bar and crowded fixed mounting bolt of material unit, play flitch department have a plurality of quilt the through-hole that mounting bolt passed, mounting bolt's quantity and the quantity of through-hole equal and both one-to-one.

Furthermore, the number of the locking bolts is 6, and the locking bolts are distributed in an annular shape at equal intervals; the number of the adjusting bolts is 2.

Furthermore, one end of the middle cylinder part close to the end plate is provided with positioning grooves for accommodating the end parts of the adjusting bolts, and the number of the positioning grooves is equal to that of the adjusting bolts and corresponds to that of the adjusting bolts one to one. Thereby better location to adjusting bolt to make the location more convenient.

Furthermore, the blanking pipe comprises a first straight pipe, a second straight pipe and an elbow pipe connected with the first straight pipe and the second straight pipe, and the first straight pipe is fixedly connected with the middle cylinder part.

And the shape of the blanking pipe can be adjusted according to the blanking requirement.

Further, the spiral extruder includes the feed cylinder, is fixed in the crowded material motor of feed cylinder, by crowded material motor drive's pivot, install in the helical blade of pivot and be fixed in the feeding hopper of feed cylinder.

Has the advantages that: the utility model provides a granulation equipment integrates the ejection of compact head to owing to set up middle feed cylinder, thereby the particle of being hit by the cutting knife can be along unloading pipe unloading, thereby avoids splashing of aggregate.

Drawings

FIG. 1 is a schematic view of a granulation apparatus;

FIG. 2 is a schematic view of a discharge head with a disassembled first view;

FIG. 3 is a schematic view of a second disassembled view of the discharge head;

Detailed Description

Reference numerals: 1, a material extruding unit; 1.1 a barrel; 1.2 a feed hopper; 1.3 extruding the material motor; 2, discharging a stub bar; 2.1 an intermediate tubular portion; 2.2 the circular convex edge; 2.3 installing a bolt; 2.4 discharging plate; 2.5 granulation holes; 2.6 blanking pipe; 2.7 positioning the groove; 2.8 through holes; 3.1 end plates; 3.2 enclosing the plate; 3.3 adjusting the bolt; 3.4 locking the bolt; 3.6 a cutter motor; 3.7 cutting knife.

As shown in the figure: a granulation device applied to the preparation process of medical PVC granules comprises an extruding unit 1 and a discharging head 2, wherein the extruding unit 1 is a spiral extruder, the discharging head 2 is arranged at the end part of the spiral extruder, the discharging head 2 comprises a middle cylinder part 2.1, a discharging plate 2.4 positioned at one end of the middle cylinder part 2.1 and an end plate 3.1 fixed at the other end of the middle cylinder part 2.1, two ends of the middle cylinder part 2.1 are opened, a discharging pipe 2.6 is connected at the position of the middle cylinder part 2.1, a plurality of granulation holes 2.5 are arranged at the position of the discharging plate 2.4, the end plate 3.1 and the discharging plate 2.4 are both circular, a cutting knife motor 3.6 is arranged at the position of the end plate 3.1, a cutting knife unit 3.7 is arranged at the position of a motor shaft of the cutting knife motor 3.6, a circular cylindrical surrounding plate 3.2 is further connected at the position of the end plate 3.1, a plurality of locking bolts 3.2 for fixing the middle cylinder part 3.2 and the circular cylindrical surrounding plate 3.4, the end plate 3.1 is also provided with a plurality of adjusting bolts 3.3 (or spacing adjusting bolts) which penetrate through the end plate 3.1, and the ends of the adjusting bolts 3.3 are used for abutting against the ends of the middle barrel part 2.1.

The cutter unit 3.7 comprises a mounting ring fixed at the motor shaft, which has two cutters. Middle section of thick bamboo portion 2.1 is close to the one end of play flitch 2.4 and has ring shape chimb 2.2, ring shape chimb 2.2 department has a plurality of mounting bolt 2.3 that are used for fixing ejection of compact head 2 and crowded material unit 1, play flitch 2.4 department have a plurality of quilt mounting bolt 2.3 passes through-hole 2.8, mounting bolt 2.3's quantity and through-hole 2.8's quantity equal and both one-to-one. The number of the locking bolts 3.4 is 6, and the locking bolts are distributed in an annular shape at equal intervals; the number of the adjusting bolts 3.3 is 2. One end of the middle barrel part 2.1 close to the end plate 3.1 is provided with positioning grooves 2.7 for accommodating the end parts of the adjusting bolts, and the number of the positioning grooves 2.7 is equal to that of the adjusting bolts 3.3 and corresponds to the adjusting bolts one to one. The blanking pipe 2.6 comprises a first straight pipe, a second straight pipe and an elbow pipe for connecting the first straight pipe and the second straight pipe, and the first straight pipe is fixedly connected with the middle cylinder part.

As shown in the figure, screw extruder extrudes the material, forms strip material through the granulation hole to under the rotatory cutting of cutting knife, form the particle form, and because the encirclement of middle section of thick bamboo portion, the particle can not splash, can be along unloading pipe unloading, thereby avoid splashing of material, preferably have water cooling equipment in screw extruder's the outside, thereby the cooling shaping of material accelerates. And ejection of compact head adopts the design of integrating, can direct fixed mounting in the tip of spiral extruder, and the cutting knife is adjustable with the interval between the play flitch, at first rotatory adjusting bolt can select adjusting bolt's extension length, thereby adjust the distance between the tip of tip board and middle section of thick bamboo portion, locking bolt after that, thereby it is fixed with tip board and middle section of thick bamboo portion, adjusting bolt realizes the fine setting to cutting knife to ejection of compact board position when installing, thereby can satisfy the needs of more use scenes.

While the utility model has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the utility model as defined in the following claims.

Claims

1. The granulating equipment applied to the preparation process of the medical PVC granules is characterized by comprising an extruding unit and a discharging head, wherein the extruding unit is a spiral extruding machine, the discharging head is arranged at the end part of the spiral extruding machine, the discharging head comprises a middle cylinder part, a discharging plate positioned at one end of the middle cylinder part and an end plate fixed at the other end of the middle cylinder part, two ends of the middle cylinder part are open, a discharging pipe is connected with the middle cylinder part, a plurality of granulating holes are formed in the discharging plate, the end plate and the discharging plate are both circular, a cutting knife motor is arranged at the end plate, a cutting knife unit is arranged at a motor shaft of the cutting knife motor, the end plate is also connected with a circular cylindrical surrounding plate, a plurality of locking bolts used for fixing the surrounding plate and the middle cylinder part are arranged at the surrounding plate, and a plurality of adjusting bolts penetrating through the end plate are arranged at the end plate, the end of the adjusting bolt is used for abutting against the end of the middle cylinder part.

2. A pelletizing apparatus applied in a medical PVC pellet preparation process according to claim 1, characterized in that the cutter unit includes a mounting ring fixed at a motor shaft, the mounting ring having two cutters.

3. The granulation equipment applied to the preparation process of medical PVC granules as claimed in claim 1, wherein one end of the middle cylinder part close to the discharge plate is provided with a circular convex edge, the circular convex edge is provided with a plurality of mounting bolts for fixing the discharge head and the extrusion unit, the discharge plate is provided with a plurality of through holes for the mounting bolts to pass through, and the number of the mounting bolts is equal to that of the through holes and corresponds to that of the through holes one to one.

4. The granulation equipment applied to the preparation process of medical PVC granules according to claim 1, wherein the number of the locking bolts is 6, and the locking bolts are distributed in an annular shape at equal intervals; the number of the adjusting bolts is 2.

5. A granulating apparatus as claimed in claim 1, wherein one end of the intermediate cylinder part near the end plate has positioning grooves for receiving the ends of the adjusting bolts, and the number of the positioning grooves is equal to that of the adjusting bolts and corresponds to that of the adjusting bolts.

6. The granulation equipment applied to the preparation process of medical PVC granules according to claim 1, wherein the blanking pipe comprises a first straight pipe, a second straight pipe and a bent pipe for connecting the first straight pipe and the second straight pipe, and the first straight pipe is fixedly connected with the middle cylinder part.