CN219236281U

CN219236281U - Extruder discharging device for preventing powder accumulation

Info

Publication number: CN219236281U
Application number: CN202320625376.6U
Authority: CN
Inventors: 房坦; 钟明; 张鑫泓; 唐新华; 叶法炎
Original assignee: Sinoma Lithium Film Changde Co ltd
Current assignee: Sinoma Lithium Film Changde Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-06-23
Anticipated expiration: 2033-03-27

Abstract

The utility model discloses an extruder discharging device for preventing powder accumulation, which comprises a hopper body (2), and is characterized in that: the hopper body (2) is an elliptic structure, one end of the elliptic structure in the long axis direction is vertically arranged in the longitudinal direction, the other end of the elliptic structure is obliquely arranged in the longitudinal direction, and the inclined outer wall of the hopper body (2) is provided with a vibrating hammer (4); the hopper body (2) is embedded in a through hole in the middle of the weighing and metering device (3), and the vibrating hammer (4) is linked with the weighing and metering device (3); the discharge port of the hopper body (2) is connected with the feed inlet of the extruder through a flexible connection (24). The blanking device of the extruder adopts the structural design that one side is right-angled, one side is inclined, and the vibrating hammer is additionally arranged on one inclined side, so that the contact area of powder and a bucket wall is reduced, the friction force between materials is reduced, and the effects of accurate blanking of the powder and no accumulation are achieved; the extruder blanking device is suitable for a rear exhaust extruder.

Description

Extruder discharging device for preventing powder accumulation

Technical Field

The utility model relates to the technical field of extruder feeding, in particular to an extruder discharging device for preventing powder accumulation.

Background

At present, the existing extruder hoppers for preventing powder accumulation are various, and the extruder hoppers are mainly divided into two types, namely, a vibration device or a stirring device is added in the extruder hoppers to reduce friction force among materials so as to achieve the effect of preventing powder accumulation; and secondly, dehumidification is added to reduce adhesion of materials. Two hoppers are generally designed in a conical shape, when powder slides from a material wall to enter the extruder, the material wall is easy to accumulate, the falling of the powder can cause inaccurate blanking amount, fluctuation of the extruder is caused, and the stability of the extruder is greatly reduced.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides an extruder blanking device for preventing powder from accumulating.

The utility model aims at solving the problems through the following technical scheme:

prevent accumulational extruder unloader of powder, including the hopper body, its characterized in that: the hopper body is an elliptic structure body, one end of the elliptic structure body in the long axis direction is vertically arranged in the longitudinal direction, the other end of the elliptic structure body is obliquely arranged in the longitudinal direction, and a vibrating hammer is arranged on the inclined outer wall of the hopper body; the hopper body is embedded in a through hole in the middle of the weighing and metering device, and the vibrating hammer is linked with the weighing and metering device; the discharge port of the hopper body is connected with the feed inlet of the extruder through flexible connection.

A baffle plate is arranged in the inner cavity of the hopper body, and divides the inner cavity of the hopper body into a vertical hopper and an inclined hopper.

The baffle incline and set up and the baffle is adjacent to erectly fight, the inclination of baffle is less than the inclination of hopper body incline side.

And the two side surfaces of the partition plate are respectively provided with a teflon coating or a silicon carbide coating.

And a teflon coating or a silicon carbide coating is arranged on the inner wall of the hopper body.

By means of the arrangement of the special coating, friction between powder and the inner wall of the hopper can be reduced.

The upper end opening part of the hopper body is provided with an upper cover, and a sealing ring is arranged at the joint of the upper cover and the hopper body.

The upper cover is provided with a blanking pipe and an exhaust port, and the blanking pipe is arranged at two sides of the exhaust port.

The extruder unloader be furnished with emptying device in order to realize the powder clearance fast, emptying device is linked together through the flexible coupling of evacuation pipe and hopper body discharge gate bottom, emptying device is taken out the powder in the hopper body through the convulsions.

The emptying pipe is provided with a valve.

Compared with the prior art, the utility model has the following advantages:

the blanking device of the extruder adopts the structural design that one side is right-angled, one side is inclined, and the vibrating hammer is additionally arranged on one inclined side, so that the contact area of powder and a bucket wall is reduced, the friction force between materials is reduced, and the effects of accurate blanking of the powder and no accumulation are achieved; the extruder discharging device is suitable for the rear exhaust extruder, and meanwhile, the exhaust port arranged at the top of the extruder discharging device is convenient for the rear exhaust extruder to exhaust through the hopper.

Drawings

FIG. 1 is a schematic view of the structure of the feeding device of the extruder for preventing powder accumulation;

fig. 2 is a schematic cross-sectional view of the hopper body and the upper cover portion of the present utility model.

Wherein: 1-an upper cover; 2-a hopper body; 21-a vertical bucket; 22-inclined hopper; 23-a separator; 24-soft connection; 3-heavy metering devices; 4-a vibrating hammer; 5-an evacuation device; 51-emptying the pipe; 6, a sealing ring; 7-blanking pipe; 8-an exhaust port.

Detailed Description

The utility model is further described below with reference to the drawings and examples.

As shown in fig. 1-2: the extruder blanking device for preventing powder accumulation comprises a hopper body 2, wherein an upper cover 1 is arranged at an opening at the upper end of the hopper body 2, and a sealing ring 6 is arranged at the joint of the upper cover 1 and the hopper body 2; the hopper body 2 is an elliptical structure, wherein an ellipse in the elliptical structure means that the horizontal section of the hopper body 2 is elliptical, one end of the elliptical structure in the long axis direction is vertically arranged in the longitudinal direction, the other end of the elliptical structure is obliquely arranged in the longitudinal direction, and a vibrating hammer 4 is arranged on the inclined outer wall of the hopper body 2; the hopper body 2 is embedded in a through hole in the middle of the weighing and metering device 3, the weighing and metering device 3 can realize intelligent detection of powder accumulation of the hopper, and the vibrating hammer 4 is linked with the weighing and metering device 3; the discharge port of the hopper body 2 is connected with the feed port of the extruder through a flexible connection 24. In order to facilitate the emptying of the powder, an emptying device 5 is arranged in the discharging device of the extruder, the emptying device 5 is communicated with the soft connection 24 at the bottom of the discharging hole of the hopper body 2 through an emptying pipe 51 with a valve, and the emptying device 5 extracts the powder in the hopper body 2 through air suction

In order to be able to add powders of different densities, a partition 23 is arranged in the inner cavity of the hopper body 2, the partition 23 dividing the inner cavity of the hopper body 2 into a vertical hopper 21 and an inclined hopper 22; the partition 23 is inclined and the partition 23 is adjacent to the vertical bucket 21, and the inclination angle of the partition 23 is smaller than the inclination angle of the inclined side of the hopper body 2. In addition, a teflon coating or a silicon carbide coating is arranged on the inner wall of the hopper body 2 and on the two side surfaces of the partition plate 23 so as to reduce friction.

In addition, a blanking pipe 7 and an exhaust port 8 are arranged on the upper cover 1, and the blanking pipe 7 is arranged on two sides of the exhaust port 8; the exhaust port 8 is provided for two purposes: firstly, guarantee that the internal air pressure of hopper is stable, secondly be convenient for back exhaust extruder through the hopper exhaust.

Examples

As shown in fig. 1-2: the extruder blanking device for preventing powder accumulation mainly comprises an upper cover 1, a hopper body 2, a weighing and metering device 3, a vibrating hammer 4 and an emptying device 5. The hopper body 2 adopts an elliptical structure body design, the inner cavity of the hopper body 2 is divided into a vertical hopper 21 and an inclined hopper 22 by a baffle plate 23, the inner wall of the hopper body 2 and the side surface of the baffle plate 23 are treated by special coatings, and the coating material can be teflon or silicon carbide; the discharge gate and the extruder feed inlet of hopper body 2 adopt flexible coupling 24 to be connected, and flexible coupling 24 arranges in straight fill 21 below, and flexible coupling 24 passes through the external emptying device 5 of evacuation pipe 51 simultaneously, and when hopper body 2 needs to empty, emptying device 5 is taken out the powder in the hopper body 2 through the convulsions, can carry out effective row material cleanness to hopper body 2, clear up hopper body 2 fast. The hopper body 2 is supported by the weighing and metering device 3, and the weight of the hopper body 2 is sensed to transmit signals to the vibrating hammer 4, so that when abnormal detection occurs, the weighing and metering device 3 can temporarily stop detection and simultaneously start the vibrating hammer 4, and intelligent detection and powder accumulation treatment are realized. The blanking pipe 7 is hard-connected to the upper cover 1, the blanking pipe 7 needs to be positioned at the tops of the straight hopper 21 and the inclined hopper 22 respectively, the exhaust port 8 is arranged in the middle of the upper cover 1, the pressure in the hopper body 2 is kept stable, and the abnormal blanking caused by the pressure compaction of powder is avoided.

The hopper body 2 adopts an elliptical structure body design, so that powder accumulation in the hopper body 2 can be effectively reduced; when two or more kinds of powder are required to be added, the abnormal situation caused by pushing materials in the inner cavity of the hopper body 2 due to inconsistent powder densities can be effectively solved after the positions of the vertical hopper 21 and the inclined hopper 22 of the hopper body 2 are matched according to the powder densities.

The blanking device of the extruder adopts the structural design that one side is right-angled, one side is inclined, and the vibrating hammer 4 is additionally arranged on one inclined side, so that the contact area of powder and a bucket wall is reduced, the friction force between materials is reduced, and the effects of accurate blanking of the powder and no accumulation are achieved; the extruder discharging device is suitable for a rear exhaust extruder, and meanwhile, the exhaust port 8 arranged at the top of the extruder discharging device is convenient for the rear exhaust extruder to exhaust through the hopper.

The above embodiments are only for illustrating the technical idea of the present utility model, and the protection scope of the present utility model is not limited by the above embodiments, and any modification made on the basis of the technical scheme according to the technical idea of the present utility model falls within the protection scope of the present utility model; the technology not related to the utility model can be realized by the prior art.

Claims

1. Prevent accumulational extruder unloader of powder, including hopper body (2), its characterized in that: the hopper body (2) is an elliptic structure, one end of the elliptic structure in the long axis direction is vertically arranged in the longitudinal direction, the other end of the elliptic structure is obliquely arranged in the longitudinal direction, and the inclined outer wall of the hopper body (2) is provided with a vibrating hammer (4); the hopper body (2) is embedded in a through hole in the middle of the weighing and metering device (3), and the vibrating hammer (4) is linked with the weighing and metering device (3); the discharge port of the hopper body (2) is connected with the feed inlet of the extruder through a flexible connection (24).

2. The extruder blanking apparatus for preventing powder accumulation as claimed in claim 1, wherein: a baffle plate (23) is arranged in the inner cavity of the hopper body (2), and the baffle plate (23) divides the inner cavity of the hopper body (2) into a vertical hopper (21) and an inclined hopper (22).

3. The extruder blanking apparatus for preventing powder accumulation as claimed in claim 2, wherein: the partition plate (23) is obliquely arranged, the partition plate (23) is adjacent to the vertical bucket (21), and the inclination angle of the partition plate (23) is smaller than that of the inclined side of the hopper body (2).

4. An extruder blanking apparatus for preventing powder accumulation as claimed in claim 3 in which: and the two side surfaces of the partition plate (23) are respectively provided with a teflon coating or a silicon carbide coating.

5. The extruder blanking apparatus for preventing powder accumulation as claimed in claim 1, wherein: the inner wall of the hopper body (2) is provided with a teflon coating or a silicon carbide coating.

6. The extruder blanking apparatus for preventing powder accumulation according to any one of claims 1 to 5, wherein: the upper end opening part of the hopper body (2) is provided with an upper cover (1), and a sealing ring (6) is arranged at the joint of the upper cover (1) and the hopper body (2).

7. The extruder blanking apparatus for preventing powder accumulation as claimed in claim 6, wherein: the upper cover (1) is provided with a blanking pipe (7) and an exhaust port (8), and the blanking pipe (7) is arranged at two sides of the exhaust port (8).

8. The extruder blanking apparatus for preventing powder accumulation according to any one of claims 1 to 5, wherein: the discharging device of the extruder is provided with an evacuating device (5), the evacuating device (5) is communicated with a soft connection (24) at the bottom of a discharging hole of the hopper body (2) through an evacuating pipe (51), and the evacuating device (5) pumps out powder in the hopper body (2) through air suction.

9. The extruder blanking apparatus for preventing powder accumulation as claimed in claim 8, wherein: the emptying pipe (51) is provided with a valve.