CN213353098U - Double-screw granulating device for polypropylene PP (polypropylene) melt-blown special material - Google Patents

Double-screw granulating device for polypropylene PP (polypropylene) melt-blown special material Download PDF

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Publication number
CN213353098U
CN213353098U CN202022150602.9U CN202022150602U CN213353098U CN 213353098 U CN213353098 U CN 213353098U CN 202022150602 U CN202022150602 U CN 202022150602U CN 213353098 U CN213353098 U CN 213353098U
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polypropylene
melt
machine body
special material
ball screw
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CN202022150602.9U
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Chinese (zh)
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周慧初
田伯陵
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Shandong Kaibo New Material Technology Co ltd
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Shandong Kaibo New Material Technology Co ltd
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Abstract

The utility model discloses a polypropylene PP melts and spouts double screw prilling granulator for special-purpose material, offer the organism of extruding the hole including the bottom, fixed motor and the support of being provided with respectively on the organism, and rotate in the support and be provided with by motor drive's ball. The utility model is provided with the ball screw driven by the motor to rotate in the machine body, and the driving gear and the driven gear which are connected in a meshing way are reused to realize the synchronous rotation of the two stirring shafts, so as to uniformly and comprehensively stir the polypropylene PP melt-blown special material which enters the machine body through the feed inlet; the lifting disc and the rubber sleeve which can move up and down in the upper end of the machine body are sleeved on the nut of the ball screw, and the downward moving lifting disc is utilized to apply pressure to the polypropylene PP melt-blown special material in the lower end of the machine body, so that the polypropylene PP melt-blown special material is orderly discharged through the extrusion holes after being uniformly stirred; and then uniformly cutting the discharged strip-shaped polypropylene PP melt-blown special material by using a cutting knife on the ball screw so as to realize efficient and convenient uniform granulation processing.

Description

Double-screw granulating device for polypropylene PP (polypropylene) melt-blown special material
Technical Field
The utility model relates to a polypropylene PP melts and spouts special material processing technology field especially relates to a polypropylene PP melts and spouts double screw prilling granulator for special material.
Background
The polypropylene PP special material for melt-blowing can use polypropylene as a basic raw material, adopts peroxide degradation and a controllable rheological method to improve the fluidity and the molecular weight distribution of resin, and can produce the polypropylene special material for melt-blowing with the melt mass flow rate within the range of 300-1900 g/10 min. The product is suitable for a melt-blown non-woven fabric forming process, is a main raw material for producing polypropylene melt-blown non-woven fabric products, and has excellent isolation and filtration effects.
At present, the special polypropylene PP melt-blown material needs to be made into a particle shape when used, but the special polypropylene PP melt-blown material is easy to lose activity at normal temperature, so that the special polypropylene PP melt-blown material is solidified and formed, is easy to solidify and block in a granulator and delays granulation processing in the later period; in addition, the fluid polypropylene PP special material for melt-blowing lacks sufficient fluidity, and the traditional granulator cannot uniformly cut the polypropylene PP special material for melt-blowing, so that the uniformity of the particle size of the polypropylene PP special material for melt-blowing is difficult to ensure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the polypropylene PP is difficult to melt and spout the special material and carry out even granulation processing among the prior art, and the double-screw prilling granulator for special material is melted to a polypropylene PP who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a polypropylene PP melts and spouts double screw prilling granulator for special-purpose material, includes that the bottom sets up the organism of extrusion hole, fixed motor and the support of being provided with respectively on the organism, and rotate in the support and be provided with by motor drive's ball, install the nut on the ball, and fixed cover is equipped with the lift disc on the nut, the gum cover that organism inner wall slided and offsets is established to fixed cover on the lift disc, all rotate in the support both sides and install the (mixing) shaft, and fixed cover respectively on ball and the (mixing) shaft is equipped with driving gear and driven gear that the meshing is connected, and fixedly connected with cutting knife on the ball, set up the feed inlet in the organism lateral wall.
Preferably, the motor is fixedly installed outside the upper end of the machine body, and the support is horizontally arranged in the middle end of the machine body.
Preferably, the ball screw is vertically arranged at the middle end of the bracket, and a transmission belt is connected between the output end of the motor and the ball screw.
Preferably, two stirring shafts are vertically arranged on two sides of the ball screw.
Preferably, the cutting knife is connected to the lower end of the ball screw penetrating through and extending out of the bottom end of the machine body, and the cutting knife is located below the extrusion hole.
Preferably, the feed inlet is located below the lifting disc.
Compared with the prior art, the utility model discloses possess following advantage:
1. the utility model discloses utilize the support setting can carry out rotatory ball in the organism to set up the (mixing) shaft in ball both sides, utilize the driving gear that the meshing is connected and driven gear to realize the synchronous revolution of two (mixing) shafts, with melt and spout the special-purpose material to the polypropylene PP who gets into in the organism through the feed inlet and carry out even comprehensive stirring, thereby guarantee the activity that polypropylene PP melts and spouts the special-purpose material.
2. The utility model is provided with a lifting disc and a rubber sleeve which can move up and down in the upper end of the machine body on the nut of the ball screw, and the special polypropylene PP melt-blown material in the lower end of the machine body is pressed by the lifting disc which moves down, so that the special polypropylene PP melt-blown material is orderly discharged through extrusion holes after being stirred and mixed evenly; and then uniformly cutting the discharged strip-shaped polypropylene PP melt-blown special material by using a cutting knife on the ball screw, thereby forming particles with uniform size.
To sum up, the utility model is provided with the ball screw driven by the motor to rotate in the machine body, and the driving gear and the driven gear which are connected in a meshing way are utilized to realize the synchronous rotation of the two stirring shafts, so as to uniformly and comprehensively stir the polypropylene PP melt-blown special material which enters the machine body through the feed inlet; the lifting disc and the rubber sleeve which can move up and down in the upper end of the machine body are sleeved on the nut of the ball screw, and the downward moving lifting disc is utilized to apply pressure to the polypropylene PP melt-blown special material in the lower end of the machine body, so that the polypropylene PP melt-blown special material is orderly discharged through the extrusion holes after being uniformly stirred; and then uniformly cutting the discharged strip-shaped polypropylene PP melt-blown special material by using a cutting knife on the ball screw so as to realize efficient and convenient uniform granulation processing.
Drawings
FIG. 1 is a schematic structural view of a twin-screw granulator for polypropylene PP special material melt-blown provided by the present invention;
fig. 2 is the utility model provides a polypropylene PP melts and spouts special material with twin-screw prilling granulator's ball and (mixing) shaft distribution sketch map.
In the figure: 1 organism, 2 extrusion holes, 3 motors, 4 supports, 5 ball screws, 6 transmission belts, 7 nuts, 8 lifting discs, 9 rubber sleeves, 10 stirring shafts, 11 driving gears, 12 driven gears, 13 cutting knives and 14 feed inlets.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a twin-screw granulator for polypropylene PP special material for melt-blown, comprising a body 1 having an extrusion hole 2 at the bottom, as can be seen from fig. 1 of the specification, the polypropylene PP special material for melt-blown is fluid and can be discharged outwards through the extrusion hole 2 under a high pressure state, a motor 3 and a support 4 are respectively fixedly arranged on the body 1, the motor 3 adopts a servo motor with the model of HC-SFS203B, a ball screw 5 driven by the motor 3 is rotatably arranged in the support 4, a nut 7 is arranged on the ball screw 5, a lifting disc 8 is fixedly sleeved on the nut 7, a rubber sleeve 9 which is slidably abutted against the inner wall of the body 1 is fixedly sleeved on the lifting disc 8, as can be seen from fig. 1 of the specification, the lifting disc 8 is always positioned above the support 4, the sealing performance between the inner wall of the body 1 is increased by the rubber sleeve 9, so as to ensure that the lifting disc 8 can sufficiently pressurize the polypropylene PP special material for melt-blown in a downward moving process, all rotate in 4 both sides of support and install (mixing) shaft 10, and fixed cover respectively on ball 5 and the (mixing) shaft 10 is equipped with driving gear 11 and driven gear 12 that the meshing is connected, under driving gear 11 and driven gear 12's transmission effect, two (mixing) shafts 10 can carry out two-way rotation to melt and spout the special-purpose material to the polypropylene PP in the organism 1 and stir comprehensively, and fixedly connected with cutting knife 13 on the ball 5, seted up feed inlet 14 in the organism 1 lateral wall.
The motor 3 is fixedly arranged outside the upper end of the machine body 1, and the support 4 is horizontally arranged in the middle end of the machine body 1 so as to be convenient for arranging the ball screw 5 and the two stirring shafts 10.
Ball 5 sets up perpendicularly in support 4 middle-end, and is connected with drive belt 6 between 3 output of motor and the ball 5, under the drive of motor 3, can make ball 5 carry out certain period clockwise and anticlockwise rotation.
Two stirring shafts 10 are vertically arranged on two sides of the ball screw 5 to increase the contact and stirring degree with the polypropylene PP melt-blown special material and ensure the activity of the polypropylene PP melt-blown special material.
The cutting knife 13 is connected to the lower end of the ball screw 5 which runs through and extends to the bottom end of the machine body 1, the cutting knife 13 is positioned below the extrusion hole 2, and the cutting knife 13 which rotates can uniformly cut the extruded strip-shaped polypropylene PP melt-blown special material, so that the consistency of particle size is ensured.
The feed inlet 14 is located below the lifting disc 8, so that the special polypropylene PP melt-blown material is prevented from entering the upper end of the machine body 1, and meanwhile, the lifting disc 8 which moves up and down can be ensured not to cause flow obstruction to the special polypropylene PP melt-blown material.
The utility model discloses its functional principle is explained to following mode of operation of accessible:
the special polypropylene PP material for melt-blowing is led into the machine body 1 through a feed port 14, and the feed port 14 is sealed;
control motor 3 opens, and 3 outputs of motor drive ball 5 through drive belt 6 and rotate, at this in-process:
firstly, the ball screw 5 drives two stirring shafts 10 to rotate in the machine body 1 through a driving gear 11 and a driven gear 12 which are connected in a meshed manner so as to stir the polypropylene PP melt-blown special material in the machine body 1 and ensure the uniform mixing and activity of the polypropylene PP melt-blown special material;
secondly, the rotating ball screw 5 drives the nut 7 to move up and down and drives the lifting disc 8 and the rubber sleeve 9 to move synchronously, and the rubber sleeve 9 presses the polypropylene PP melt-blown special material in the lower end of the machine body 1 in the process of sliding and moving down along with the lifting disc 8, so that the polypropylene PP melt-blown special material is discharged in a strip shape through the extrusion holes 2;
thirdly, the ball screw 5 drives the cutter 13 located outside the lower end of the machine body 1 to rotate horizontally, and the special material for melt-blown strip polypropylene PP outside the discharge extrusion hole 2 is cut uniformly, so that particles with uniform size are formed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A double-screw granulating device for polypropylene PP melt-blown special material comprises a machine body (1) with an extrusion hole (2) at the bottom, and is characterized in that a motor (3) and a support (4) are respectively and fixedly arranged on the machine body (1), a ball screw (5) driven by the motor (3) is rotatably arranged in the support (4), a nut (7) is arranged on the ball screw (5), a lifting disc (8) is fixedly sleeved on the nut (7), a rubber sleeve (9) which is in sliding and abutting contact with the inner wall of the machine body (1) is fixedly sleeved on the lifting disc (8), a stirring shaft (10) is rotatably arranged in both sides of the support (4), a driving gear (11) and a driven gear (12) which are in meshing connection are respectively fixedly sleeved on the ball screw (5) and the stirring shaft (10), and a cutting knife (13) is fixedly connected on the ball screw (5), a feeding hole (14) is formed in the side wall of the machine body (1).
2. The twin-screw granulator for polypropylene PP special material for melt-blown according to claim 1, wherein the motor (3) is fixedly installed outside the upper end of the machine body (1), and the support (4) is horizontally arranged in the middle end of the machine body (1).
3. The twin-screw granulating device for polypropylene PP special material for melt-blowing as claimed in claim 2, wherein the ball screw (5) is vertically arranged at the middle end of the bracket (4), and a transmission belt (6) is connected between the output end of the motor (3) and the ball screw (5).
4. The twin-screw granulating device for polypropylene PP special material for melt-blowing as claimed in claim 3, wherein two stirring shafts (10) are vertically arranged at two sides of the ball screw (5).
5. The twin-screw granulator according to claim 4, wherein the cutter (13) is connected to the lower end of the ball screw (5) extending through the bottom of the machine body (1), and the cutter (13) is located below the extrusion hole (2).
6. The twin-screw pelletizing device for polypropylene PP melt-blown special material according to claim 1, characterized in that the feed inlet (14) is located below the lifting disc (8).
CN202022150602.9U 2020-09-27 2020-09-27 Double-screw granulating device for polypropylene PP (polypropylene) melt-blown special material Active CN213353098U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022150602.9U CN213353098U (en) 2020-09-27 2020-09-27 Double-screw granulating device for polypropylene PP (polypropylene) melt-blown special material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022150602.9U CN213353098U (en) 2020-09-27 2020-09-27 Double-screw granulating device for polypropylene PP (polypropylene) melt-blown special material

Publications (1)

Publication Number Publication Date
CN213353098U true CN213353098U (en) 2021-06-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022150602.9U Active CN213353098U (en) 2020-09-27 2020-09-27 Double-screw granulating device for polypropylene PP (polypropylene) melt-blown special material

Country Status (1)

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CN (1) CN213353098U (en)

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