CN215086920U

CN215086920U - Double-screw extrusion device for producing talcum powder master batches

Info

Publication number: CN215086920U
Application number: CN202120188824.1U
Authority: CN
Inventors: 何海峰; 徐志刚
Original assignee: Nuokan Shanghai New Material Technology Co ltd
Current assignee: Nuokan Shanghai New Material Technology Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-12-10
Anticipated expiration: 2031-01-25

Abstract

The utility model discloses a twin-screw extruding device for the production of talc powder master batches, which comprises an extruder body, a motor, a connecting shaft and an inner groove. The front end of the extruder body is bolted with a connecting shell, and the connecting shell is A motor is fixedly arranged inside the motor, a connecting shaft is fixedly connected to the front end of the motor, a first gear is fixedly connected to the front end of the connecting shaft, an inner connecting plate is fixedly arranged inside the connecting shell, and the connecting shaft and the inner connecting The plates are connected in rotation, a second gear is meshed and installed under the first gear, and a cutting knife is fixedly connected to the side of the second gear. The twin-screw extrusion device for the production of talc masterbatch can timely replace the discharge holes of different sizes through the engaging structure at the front end of the device, and can be replaced by the reciprocating motion structure composed of full gears and half gears on the device. The material is cut back and forth, and the dustproof effect can be guaranteed at the same time.

Description

Double-screw extrusion device for producing talcum powder master batches

Technical Field

The utility model relates to a talcum powder master batch production technical field specifically is a double screw extrusion device is used in talcum powder master batch production.

Background

The talcum powder is a common industrial product and is commonly used for producing coatings, various plastic products, rubber products and the like, the talcum powder master batch is required to be used in the production process of the talcum powder, and the extrusion device is required to be used in the production process of the talcum powder master batch.

Some talcum powder masterbatch on the existing market extrusion device for production:

(1) in the extrusion process, a large amount of dust is generated, raw material waste is easily caused, and the vibration of a machine can cause the dust outside the device to enter a discharge hole of the device, so that the quality of a finished product is influenced;

(2) some extrusion device that have now are not convenient for change the apron of extruding the position when using, are not convenient for adjust the size of cutting knife cutting particle, and the controllability is relatively poor, is not convenient for reciprocate the cutting moreover, and during the rotatory cutting, the cutting knife needs to occupy a large amount of spaces.

Therefore, we propose a twin-screw extrusion device for producing talcum powder master batches so as to solve the problems proposed in the above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a twin-screw extrusion device is used in production of talcum powder master batch to some extrusion device on the existing market that solve above-mentioned background art and provide can lead to the dust in the machine outside to get into when using and lead to inside the device, are not convenient for carry out the problem of adjusting to the size of cutting moreover.

In order to achieve the above object, the utility model provides a following technical scheme: a double-screw extrusion device for producing talcum powder master batches comprises an extruder body, a motor, a connecting shaft and an inner groove, wherein a connecting shell is fixed at the front end of the extruder body through a bolt, the motor is fixedly arranged in the connecting shell, the connecting shaft is fixedly connected at the front end of the motor, a first gear is fixedly connected at the front end of the connecting shaft, an inner connecting plate is fixedly arranged in the connecting shell, the connecting shaft is rotatably connected with the inner connecting plate, a second gear is meshed and arranged below the first gear, a cutting knife is fixedly connected to the side surface of the second gear, a vortex spring is fixedly connected between the cutting knife and the inner connecting plate, a baffle is arranged between the extruder body and the connecting shell, a discharge hole and a limiting hole are formed in the surface of the baffle, a limiting block is movably arranged in the limiting hole, and a pressure spring is fixedly connected to the rear side of the limiting block, an inner groove is formed in the connecting shell.

Preferably, the inner wall of the connecting shell is attached to the outer wall of the baffle plate, and the baffle plate forms a sliding structure with the extruder body through the connecting shell.

Preferably, the second gear is a half gear, and the second gear and the inner connecting plate form an elastic structure through the scroll spring.

Preferably, the cutting knife, the volute spring and the second gear are integrated, and the cutting knife forms a reciprocating rotation structure with the baffle plate through the second gear and the volute spring.

Preferably, the calibers of the limiting hole and the inner groove are the same, and the inner walls of the limiting hole and the inner groove are mutually attached to the outer wall of the rear end of the limiting block.

Preferably, the front end of stopper is the slope form, and the stopper passes through the pressure spring and constitutes elastic construction between the connection shell, the baffle passes through the stopper and constitutes the block structure between the connection shell.

Compared with the prior art, the beneficial effects of the utility model are that: this twin-screw extrusion device is used in talcum powder master batch production:

(1) the device is provided with the sliding structure, the discharge holes can be switched in time through the baffle between the extruder body and the connecting shell, so that materials with different sizes are cut, the using convenience of the device is improved, meanwhile, a good dustproof effect can be achieved through the connecting shell on the rear side of the device, and the quality of finished products is guaranteed;

(2) the inside of the device still is provided with the block structure that can adjust, comes to switch the size of discharge opening, has promoted the controllability of device, can also utilize the reciprocal rotation structure that vortex spring and gear are constituteed to realize reciprocal cutting simultaneously, has reduced the occupation space of cutting knife, has promoted the result of use of device.

Drawings

FIG. 1 is a schematic view of the overall top view structure of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of the utility model at B in FIG. 1;

fig. 4 is a schematic side view of the baffle of the present invention.

In the figure: 1. an extruder body; 2. a connecting shell; 3. a motor; 4. a connecting shaft; 5. a first gear; 6. an inner connecting plate; 7. a second gear; 8. a cutting knife; 9. a scroll spring; 10. a baffle plate; 11. a discharge hole; 12. a limiting hole; 13. a limiting block; 14. a pressure spring; 15. an inner tank.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a double-screw extrusion device for producing talcum powder master batches comprises an extruder body 1, a connecting shell 2, a motor 3, a connecting shaft 4, a first gear 5, an inner connecting plate 6, a second gear 7, a cutting knife 8, a vortex spring 9, a baffle plate 10, a discharge hole 11, a limiting hole 12, a limiting block 13, a pressure spring 14 and an inner groove 15, wherein the connecting shell 2 is fixed at the front end of the extruder body 1 through bolts, the motor 3 is fixedly arranged inside the connecting shell 2, the connecting shaft 4 is fixedly connected at the front end of the motor 3, the first gear 5 is fixedly connected at the front end of the connecting shaft 4, the inner connecting plate 6 is fixedly arranged inside the connecting shell 2, the connecting shaft 4 is rotatably connected with the inner connecting plate 6, the second gear 7 is meshed below the first gear 5, the cutting knife 8 is fixedly connected at the side surface of the second gear 7, and the vortex spring 9 is fixedly connected between the cutting knife 8 and the inner connecting plate 6, be provided with baffle 10 between extruder body 1 and the connection shell 2, and discharge opening 11 and spacing hole 12 have been seted up on the surface of baffle 10 to the inside movable mounting in spacing hole 12 has stopper 13, and stopper 13's rear side fixedly connected with pressure spring 14, and inside groove 15 has been seted up to the inside of connection shell 2.

The inner wall of the connecting shell 2 and the outer wall of the baffle 10 are mutually attached, the baffle 10 forms a sliding structure between the connecting shell 2 and the extruder body 1, the upper position and the lower position of the baffle 10 can be adjusted through the sliding structure on the device, and the using effect of the device is improved.

Second gear 7 is half gear, and second gear 7 passes through to constitute elastic construction between vortex spring 9 and the inscribe board 6, can utilize first gear 5 to drive second gear 7 and rotate, has promoted the practicality of device.

Cutting knife 8, volute spring 9 and second gear 7 are a whole, and cutting knife 8 constitutes reciprocating rotation structure through between second gear 7 and volute spring 9 and the baffle 10, can utilize the reciprocating rotation structure on the device to make cutting knife 8 carry out reciprocal cutting work.

The bore of the limiting hole 12 is the same as that of the inner groove 15, the inner walls of the limiting hole 12 and the inner groove 15 are mutually attached to the outer wall of the rear end of the limiting block 13, the stability of the limiting block 13 in subsequent clamping is guaranteed, and the baffle 10 is prevented from shaking.

The front end of stopper 13 is the slope form, and stopper 13 constitutes elastic construction through pressure spring 14 and between connecting shell 2, and baffle 10 passes through stopper 13 and constitutes the block structure between connecting shell 2, can utilize the block structure on the device to adjust and fix the position of baffle 10 to adjust the discharge opening 11 that uses.

The working principle is as follows: when the double-screw extrusion device for producing the talcum powder master batch is used, as shown in a figure 1 and figures 3-4, when the device is used, the extrusion and material pushing work is carried out through the extruder body 1, the baffle 10 at the tail end of the material extruder body 1 is extruded out and is extruded out from the discharge hole 11 on the surface of the baffle 10, the cutting work is carried out by the cutting knife 8, so that the discharge work is realized, the dustproof work can be carried out by the connecting shell 2 at the tail end of the extruder body 1, meanwhile, the gap between the extruder body 1 and the connecting shell 2 can be used for the baffle 10 to move up and down, the limiting block 13 needs to be firstly pressed in the process of moving up and down the baffle 10, and the front end of the limiting block 13 is in an inclined shape, so that the limiting block 13 does not need to be completely retracted in the process of the inner part of the limiting block 13, and the inner wall of the limiting hole 12 can extrude the surface of the limiting block 13, the limiting block 13 is automatically retracted into the inner groove 15, the pressure spring 14 is compressed, and the position of the baffle 10 is adjusted as required, so that the discharging holes 11 with different apertures are used for discharging;

as shown in fig. 1-2, when the device is used, the motor 3 can also drive the connecting shaft 4 and the first gear 5 to rotate, so that the second gear 7 rotates, when the second gear 7 rotates, the cutting knife 8 can be driven to rotate, so as to cut the material extruded from the front end of the baffle 10, because the second gear 7 is a half gear, when the second gear 7 rotates, the volute spring 9 can be pulled, when the first gear 5 and the second gear 7 are not meshed any more, the cutting knife 8 rebounds through the volute spring 9, so that the cutting knife 8 rotates in a reciprocating manner, so as to achieve the purpose of reciprocating cutting, which is the working process of the whole device, and the content which is not described in detail in the description belongs to the prior art known by the skilled person in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. a twin-screw extrusion device for talc master batch production, comprising extruder body (1), motor (3), connecting shaft (4) and inner groove (15), it is characterized in that: the extrusion The front end of the machine body (1) is bolted with a connecting shell (2), and the inner part of the connecting shell (2) is fixedly provided with a motor (3), and the front end of the motor (3) is fixedly connected with a connecting shaft (4). A first gear (5) is fixedly connected to the front end of the connecting shaft (4), an inner connecting plate (6) is fixedly arranged inside the connecting shell (2), the connecting shaft (4) and the inner connecting plate (6) There is a rotational connection therebetween, a second gear (7) is meshed and installed under the first gear (5), and a cutting knife (8) is fixedly connected to the side of the second gear (7), and the cutting knife (8) A scroll spring (9) is fixedly connected with the inner connecting plate (6), a baffle plate (10) is arranged between the extruder body (1) and the connecting shell (2), and the baffle plate (10) A discharge hole (11) and a limit hole (12) are opened on the surface of the spool, and a limit block (13) is movably installed inside the limit hole (12), and the rear side of the limit block (13) is fixedly connected with a The compression spring (14) is provided with an inner groove (15) inside the connecting shell (2).

2. The twin-screw extrusion device for the production of a talc master batch according to claim 1, wherein the inner wall of the connecting shell (2) and the outer wall of the baffle plate (10) are attached to each other, And the baffle plate (10) forms a sliding structure between the connection shell (2) and the extruder body (1).

3. The twin-screw extrusion device for talc master batch production according to claim 1, wherein the second gear (7) is a half gear, and the second gear (7) passes through a scroll spring An elastic structure is formed between (9) and the inner connecting plate (6).

4. a kind of twin-screw extrusion device for talcum powder master batch production according to claim 1, is characterized in that: described cutting knife (8), scroll spring (9) and second gear (7) are one The cutting blade (8) forms a reciprocating rotation structure through the second gear (7), the scroll spring (9) and the baffle plate (10).

5. The twin-screw extruding device for producing a talc master batch according to claim 1, wherein the limit hole (12) and the inner groove (15) have the same caliber, and the limit hole ( 12) and the inner wall of the inner groove (15) and the outer wall of the rear end of the limiting block (13) are in contact with each other.

6. The twin-screw extrusion device for talc master batch production according to claim 1, wherein the front end of the limit block (13) is inclined, and the limit block (13) is pressed by An elastic structure is formed between the spring (14) and the connecting shell (2), and the baffle plate (10) forms an engaging structure through the limiting block (13) and the connecting shell (2).