CN218807959U

CN218807959U - Battery powder precision weighing connecting device capable of reducing vibration influence

Info

Publication number: CN218807959U
Application number: CN202223208984.1U
Authority: CN
Inventors: 孙建雅; 任彪; 唐堃
Original assignee: Beijing Zhongke Haina Technology Co ltd; Shanxi Huana Copper Energy Technology Co ltd
Current assignee: Beijing Zhongke Haina Technology Co ltd; Shanxi Huana Copper Energy Technology Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-04-07
Anticipated expiration: 2032-12-01

Abstract

The utility model discloses a battery powder precise weighing connecting device for reducing the influence of vibration, belonging to the technical field of material weighing; comprises a feeding bin, a connecting device and a precise weighing bin which are connected in sequence; the connecting device comprises an upper equipment interface and a lower equipment interface; the outer wall of the lower equipment interface is provided with a connecting groove body; the outer wall of the upper equipment interface is provided with a plugboard; the plug board is arranged in the connecting groove body and is in sealing connection with the connecting groove body, so that a clip-shaped connecting channel is formed between the upper equipment interface and the lower equipment interface; the connecting groove body is connected with an air inlet pipeline so that the introduced air forms a micro-positive pressure area at the connecting device; the utility model avoids the vibration transmission generated by the direct connection of the upper and lower devices, thereby reducing the weighing error; forming micro positive pressure at the joint by using protective gas to perform atmosphere protection, and introducing gas to improve the phenomena of water absorption, oxidation and the like; the problems of water absorption and material leakage of the materials at the joint can be avoided.

Description

Battery powder precision weighing connecting device capable of reducing vibration influence

Technical Field

The utility model relates to a reinforced weighing device specifically is a battery powder precision weighing device who reduces vibrations influence.

Background

In the industries of battery powder and the like, powder materials are generally required to be added into a storage bin or other equipment for weighing, and then the materials are proportioned according to the process proportioning weight for corresponding process production; the existing material weighing method mainly comprises the steps of unpacking and feeding materials at a feeding port, carrying out contact connection on the feeding port and a precision weighing device below by adopting pipelines such as a flexible connection pipeline, enabling the materials to enter the precision weighing device from the feeding port through a connecting pipeline, and enabling the materials to flow to a lower end device through the flexible connection pipeline according to a ratio through a quantitative feeder after weighing; the method can reduce the transmission of partial vibration and equipment weight to the lower-layer precision weighing equipment by the feeder port equipment, but the upper feeder port is a non-independent platform, so that inaccurate weighing can be caused by the vibration transmission of the platform in the actual production process; moreover, the flexible connection adopted by the method can generate stress due to the deformation of the flexible connection, the tightness degree of the flexible connection can greatly influence the weighing accuracy, meanwhile, the flexible connection has a sealing problem, powder is easy to leak from the connection, and air in the external environment is easy to enter the material, so that the material absorbs water.

Therefore, the development of a connection technology or equipment suitable for the precise weighing equipment of the battery powder has positive significance for the development of the battery powder industry.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the defects of the prior art and provides a battery powder precise weighing device which reduces the influence of vibration; the problem of weighing error that leads to because the weighing device is connected unreasonablely with other equipment is solved.

In order to achieve the purpose, the utility model is realized by the following technical scheme.

A battery powder precision weighing device for reducing vibration influence comprises a feeding bin, a connecting device and a precision weighing bin which are sequentially connected; the connecting device comprises an upper equipment interface and a lower equipment interface; the outer wall of the lower equipment interface is provided with a connecting groove body; the outer wall of the upper equipment interface is provided with a plugboard; the plug board is arranged in the connecting groove body and is in sealing connection with the connecting groove body, so that a clip-shaped connecting channel is formed between the upper equipment interface and the lower equipment interface; the connecting groove body is connected with an air inlet pipeline so that the introduced air forms a micro-positive pressure area at the connecting device.

Furthermore, the upper equipment interface is connected with the bottom of the feeding bin, and the lower equipment interface is connected with a feeding hole of the precise weighing bin.

Furthermore, the lower equipment interface is connected with a feed inlet of the precision weighing bin through a metal corrugated connecting pipe.

Furthermore, a first pneumatic butterfly valve is arranged at the joint of the upper equipment interface and the bottom of the feeding bin.

Furthermore, a gap of 10-20mm is arranged between the outer wall of the upper equipment interface and the outer wall of the lower equipment interface.

Furthermore, a one-way safety valve is arranged at the top of the precision weighing bin, and a filter element is arranged in the one-way safety valve.

Furthermore, the plugboard is of an annular structure, and a sealing gasket is arranged at the joint of the plugboard and the connecting groove body.

Furthermore, a second pneumatic butterfly valve is arranged at a discharge hole at the bottom of the precision weighing bin.

The utility model discloses produced beneficial effect for prior art does:

the device of the utility model can avoid the vibration conduction of the connection of the upper and lower devices; the weighing error caused by the connection of the weighing device and other equipment is overcome, micro-positive pressure is formed at the connection part by using inert gas for atmosphere protection, and the phenomena of water absorption, oxidation and the like can be improved by introducing gas; the problems of material water absorption and material leakage caused by untight sealing of the joint are solved.

Drawings

Fig. 1 is a schematic structural view of the precision weighing apparatus of the present invention.

Fig. 2 is a schematic structural diagram of the connection device of the present invention.

In the figure, 1-a feeding bin, 2-a precise weighing bin, 3-an upper equipment interface, 4-a lower equipment interface, 5-a connecting groove body, 6-a plugboard, 7-an air inlet channel, 8-a metal corrugated connecting pipe, 9-a first pneumatic butterfly valve, 10-a one-way safety valve, 11-a sealing gasket, 12-a second pneumatic butterfly valve, 13-an observation port and 14-a precise weighing module.

Detailed Description

In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.

As shown in fig. 1-2, the present embodiment provides a precise weighing apparatus for battery powder, which reduces the impact of vibration, and includes a batch bin 1, a connection device, and a precise weighing bin 2, which are connected in sequence; the connecting device comprises an upper equipment interface 3 and a lower equipment interface 4; go up equipment interface 3 and throw the feed bin 1 bottom and be connected, go up equipment interface 3 and throw the feed bin 1 bottom junction and be provided with first pneumatic butterfly valve 9, the control material is transferred. Lower equipment interface 4 is connected with the feed inlet of precision weighing feed bin 2 through corrugated metal connecting pipe 8, convenient dismantlement.

Specifically, the feeding bin 1, the first pneumatic butterfly valve 9 and the upper equipment interface 3 are all connected through flange bolts; the lower equipment interface 4, the metal corrugated connecting pipe 8 and the feed inlet of the precision weighing bin 2 are all connected by flange plate bolts.

Specifically, the outer wall of the lower equipment interface 4 is provided with an annular connecting groove body 5; the outer wall of the upper equipment interface 3 is connected with an annular plugboard 6; the plugboard 6 is inserted into the connecting groove body 5, the plugboard 6 is connected with the connecting groove body 5, a sealing gasket 11 is arranged at the joint of the plugboard and the connecting groove body 5, and the sealing gasket 11 is made of materials such as silica gel flexible connection. A gap of 10-20mm is arranged between the outer wall of the upper equipment interface 3 and the outer wall of the lower equipment interface 4, so that the upper equipment interface 3 and the lower equipment interface 4 are in staggered connection to form a zigzag connection channel; the connecting tank body 5 is connected with an air inlet pipeline 7, and protective gas is introduced through the air inlet channel 7, so that the introduced protective gas forms a micro-positive pressure area at the connecting device, and dust scattering and outside air entering are prevented.

The top of the precision weighing bin 2 is provided with an observation port 13 and a one-way safety valve 10, and a filter element is arranged in the one-way safety valve 10 to prevent the bin from being overlarge in pressure and play a role in safety protection. And a discharge hole at the bottom of the precision weighing bin 2 is provided with a second pneumatic butterfly valve 12.

The specific working process is as follows: the method comprises the following steps that materials enter a feeding bin 1, then a first pneumatic butterfly valve 9 is started to control the materials to be placed downwards, and the materials enter a precision weighing bin 2 below through a connecting device; opening the air inlet channel 7, and introducing protective gas to form a micro-positive pressure region at the connecting device by the introduced protective gas so as to prevent dust from overflowing and prevent external air from entering; due to the arrangement of the stable connecting device, when the materials enter the precision weighing bin 2, the vibration conduction generated by the direct connection of the upper equipment and the lower equipment is avoided, and the weighing error is further reduced; forming micro positive pressure at the joint by using protective gas to perform atmosphere protection, and introducing gas to improve the phenomena of water absorption, oxidation and the like; the problems of water absorption and material leakage of the materials at the joint can be avoided.

The above description is further detailed for the present invention with reference to specific preferred embodiments, and it is not considered that the specific embodiments of the present invention are limited thereto, and it will be understood by those skilled in the art that the present invention can be implemented by a plurality of simple deductions or substitutions without departing from the scope of the present invention, and all of them should be considered as belonging to the present invention, which is determined by the appended claims.

Claims

1. A battery powder precision weighing connecting device for reducing vibration influence is characterized by comprising a feeding bin (1), a connecting device and a precision weighing bin (2) which are sequentially connected; the connecting device comprises an upper equipment interface (3) and a lower equipment interface (4); the outer wall of the lower equipment interface (4) is provided with a connecting groove body (5); the outer wall of the upper equipment interface (3) is provided with a plugboard (6); the plug board (6) is arranged in the connecting groove body (5) and is in sealing connection with the connecting groove body (5), so that a clip-shaped connecting channel is formed between the upper equipment interface (3) and the lower equipment interface (4); the connecting tank body (5) is connected with an air inlet pipeline (7) so that the introduced air forms a micro-positive pressure area at the connecting device.

2. The battery powder precision weighing connecting device for reducing the vibration influence as claimed in claim 1, wherein the upper equipment interface (3) is connected with the bottom of the feeding bin (1), and the lower equipment interface (4) is connected with the feeding port of the precision weighing bin (2).

3. The device for precisely weighing and connecting battery powder with reduced vibration influence according to claim 2, wherein the lower device interface (4) is connected with the feeding port of the precise weighing bin (2) through a metal corrugated connecting pipe (8).

4. The device for precisely weighing and connecting battery powder with reduced vibration influence as claimed in claim 2, wherein the connection between the upper device interface (3) and the bottom of the feeding bin (1) is provided with a first pneumatic butterfly valve (9).

5. The battery powder precision weighing and connecting device capable of reducing the impact of vibration as claimed in claim 1, wherein a gap of 10-20mm is provided between the outer wall of the upper device interface (3) and the outer wall of the lower device interface (4).

6. The battery powder precise weighing connection device capable of reducing the impact of vibration according to claim 1, wherein a one-way safety valve (10) is arranged at the top of the precise weighing bin (2), and a filter element is arranged in the one-way safety valve (10).

7. The precise battery powder weighing and connecting device capable of reducing the influence of vibration as claimed in claim 1, wherein the insertion plate (6) is of an annular structure, and a sealing gasket (11) is arranged at the joint of the insertion plate (6) and the connecting groove body (5).

8. The battery powder precision weighing connecting device for reducing the vibration influence as claimed in claim 1, wherein a second pneumatic butterfly valve (12) is arranged at the bottom discharge port of the precision weighing bin (2).