CN220126080U - Exhaust device of composite slurry powder storage tank - Google Patents

Abstract

The utility model discloses an exhaust device of a slurry mixing powder storage tank, which comprises a feeding unit, wherein the discharge end of the feeding unit is communicated with a primary metering unit, the discharge end of the primary metering unit is communicated with a fine metering unit, the discharge end of the fine metering unit is communicated with a slurry mixing unit, and one ends of the primary metering unit, the fine metering unit and the slurry mixing unit are all communicated with an exhaust unit.

Description

Exhaust device of composite slurry powder storage tank

Technical Field

The utility model relates to the technical field of lithium ion battery manufacturing, in particular to an exhaust device of a slurry-mixing powder storage tank.

Background

In the manufacturing process of the lithium ion battery cell, powder raw materials are accurately conveyed to a slurry mixing main screw device according to a proportion through a slurry mixing powder feeding and metering system, and are mixed and stirred to finish the manufacturing process of the lithium ion battery slurry, so that the lithium ion battery cell is used for coating of a coating device cell. In traditional mix thick liquid powder raw material conveying system, most direct exhaust is to closing in the thick liquid workshop environment, closes thick liquid process environment cleanliness factor poor, and leads to the inside dust diffusion in workshop to cause the condition emergence of dust short circuit, greatly reduced close thick liquid yields and close thick liquid process cleanliness factor.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: how to realize the prevention of dust diffusion in the conveying process of the slurry mixing powder raw material.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a mix thick liquid powder storage tank exhaust apparatus, includes the material unit of throwing, the discharge end intercommunication of material unit has the primary metering unit, the discharge end intercommunication of primary metering unit has the smart metering unit, the discharge end intercommunication of smart metering unit has the thick liquid unit that closes, the other end of primary metering unit, smart metering unit, thick liquid unit that closes all communicates jointly has the exhaust unit.

According to the utility model, materials are input from the feeding unit, and are respectively communicated with the primary metering unit, the fine metering unit and the slurry mixing unit through the exhaust unit in the process of passing through the primary metering unit, the fine metering unit and the slurry mixing unit, so that waste gas generated in the conveying process of the materials is extracted by the exhaust unit, and dust diffusion is avoided in the conveying process of the slurry mixing powder raw materials.

Preferably: the exhaust unit comprises an exhaust pipe, one side of the exhaust pipe is provided with a plurality of branch pipes, each branch pipe is respectively communicated with the primary metering unit, the fine metering unit and the slurry mixing unit, and one end, far away from the branch pipe, of the exhaust pipe is connected with an exhaust box.

Preferably: and filter elements are fixedly arranged at the junctions of the inside of each branch pipe, which are communicated with the primary metering unit, the fine metering unit and the slurry mixing unit.

Preferably: the inner cavity of the exhaust box is fixedly provided with a first filter screen.

The advantages are that: the filter core can effectually filter the dust with first filter screen.

Preferably: the exhaust box is provided with an exhaust port at one end far away from the exhaust pipe, and is communicated with a vacuum pipe through the exhaust port.

Preferably: the feeding unit comprises a fixing frame, a feeding hopper is arranged at the upper end of the fixing frame, a first discharging pipe is arranged at the lower end of the feeding hopper, and a hose is connected between the first discharging pipe and the primary metering unit.

Preferably: the upper end fixedly connected with dust shaker of feeder hopper, the lower extreme of dust shaker and the diameter size phase-match of feeder hopper, the inner chamber fixedly connected with second filter screen of dust shaker.

Preferably: the primary metering unit comprises a first storage tank, a connecting pipe extending to the outer side is arranged at the upper end of the first storage tank and is communicated with the exhaust unit, a first conveying device is fixedly arranged at the lower end of the first storage tank, a second discharging pipe is connected below one end of the first conveying device, and the second discharging pipe is communicated with the precise metering unit through a hose.

Preferably: the accurate measurement unit comprises a second storage tank, a connecting pipe extending to the outer side is arranged at the upper end of the second storage tank and is communicated with the exhaust unit, a second conveying device is fixedly arranged at the lower end of the second storage tank, a second discharging pipe is connected below one end of the second conveying device, and the second storage tank is communicated with the slurry mixing unit through the second discharging pipe.

Preferably: and the primary metering unit and the inside of the hose are fixedly provided with metering scales.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, materials are put into the inner cavity of the feed hopper and enter the inner cavity of the first storage tank through the first discharging pipe, the materials are extracted through the branch pipe when entering the inner cavity of the first storage tank, meanwhile, the materials enter the inner cavity of the second storage tank, and waste gas generated by the materials is extracted through the branch pipe, when the materials fall into the inner cavity of the slurry mixing unit through the third discharging pipe to be mixed, the generated gas is extracted through the branch pipe, so that the situation that dust diffusion occurs in the process of conveying the raw materials of the slurry mixing powder is avoided, and meanwhile, the situation that the conveying precision of the raw materials of the slurry mixing powder is reduced due to unsmooth exhaust is avoided, and defective products and productivity losses are caused.

The utility model has simple structure, low cost and full-automatic control, can be applied to various slurry mixing process equipment, is in butt joint with the existing lithium battery manufacturing equipment automatic line, is easy to popularize, and greatly improves the yield and the productivity of the slurry mixing process.

Drawings

Fig. 1 is a schematic diagram of an overall structure of an exhaust device of a slurry-mixing powder storage tank according to an embodiment of the present utility model.

In the figure: 1-a feeding unit; 11-a fixing frame; 12-feeding hopper; 13-a first discharge pipe; 2-a primary metering unit; 21-a first tank; 22-first conveying means; 23-a second discharge pipe; 3-hose; 4-a fine metering unit; 41-a second storage tank; 42-a second conveying device; 43-a third discharge pipe; 5-a slurry mixing unit; 6-an exhaust unit; 61-exhaust box; 62-exhaust pipe; 63-branch pipes; 64-a filter element; 65-a first filter screen; 66-exhaust port; 7-vacuum tube; 8-a dust remover; 81-a second screen.

Detailed Description

In order to facilitate the understanding of the technical scheme of the present utility model by those skilled in the art, the technical scheme of the present utility model will be further described with reference to the accompanying drawings.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1, the embodiment discloses an exhaust device of a slurry mixing powder storage tank, which comprises a feeding unit 1, a primary metering unit 2, a hose 3, a fine metering unit 4, a slurry mixing unit 5, an exhaust unit 6, a vacuum tube 7 and a dust remover 8. The feeding unit 1, the primary metering unit 2, the fine metering unit 4 and the slurry mixing unit 5 are vertically arranged along the material circulation direction.

Referring to fig. 1, the feeding unit 1 includes a fixing frame 11, a feeding hopper 12, and a first discharging pipe 13, the fixing frame 11 is composed of a bottom plate and two side brackets, two sides of the top surface of the bottom plate are connected with opposite brackets, the feeding hopper 12 is installed at the upper ends of the two side brackets of the fixing frame 11, the middle position of the lower end of the feeding hopper 12 is connected with the first discharging pipe 13, and the lower end of the first discharging pipe 13 penetrates through the bottom plate of the fixing frame 11 and extends to the lower side of the fixing frame 11.

The primary metering unit 2 is located the below of throwing material unit 1, and primary metering unit 2 includes first storage tank 21, first conveyor 22, second discharging pipe 23, and first storage tank 21 is whole to be "reverse ladder" structure, is connected with hose 3 jointly between the feed end of first storage tank 21 and the first discharging pipe 13.

In this embodiment, when the first discharging pipe 13 and the feeding end of the first storage tank 21 are not on the same straight line, the feeding unit 1 is connected with the primary metering unit 2 through the hose 3, so that the material can reach the inner cavity of the first storage tank 21 smoothly, and the practicability of the utility model is preferably improved.

The first conveying device 22 is arranged at the lower end discharge port of the first storage tank 21, a weighing scale is arranged at the upper end of the inner cavity of the first storage tank 21, which is positioned at the first conveying device 22, materials entering the inner cavity of the first storage tank 21 fall into the upper end of the weighing scale to be weighed, and the materials fall into the upper end of the first conveying device 22 to be conveyed, so that the accuracy of the utility model is effectively improved.

The second discharging pipe 23 is arranged at the tail end of the output end of the first conveying device 22, and the material falling to the upper end of the first conveying device 22 is conveyed to the position of the second discharging pipe 23 and is discharged. The primary metering unit 2 is installed on the fixing frame and kept fixed during actual use.

The fine metering unit 4 is positioned below the primary metering unit 2 and connected through a hose. The accurate metering unit 4 comprises a second storage tank 41, a second conveying device 42 and a third discharging pipe 43, the second storage tank 41 is of an inverted trapezoid structure, the feeding end of the second storage tank 41 corresponds to the second discharging pipe 23, the second storage tank 41 is connected with the first storage tank 21 through a hose 3, when the feeding ends of the first discharging pipe 13 and the first storage tank 21 are not on the same straight line, the feeding unit 1 is connected with the primary metering unit 2 through the hose 3, the fact that materials can smoothly reach the inner cavity of the first storage tank 21 is guaranteed, and the practicability of the automatic metering device is effectively improved.

The second conveying device 42 is arranged at the lower end discharge port of the second storage tank 41, a weighing scale is arranged at the upper end of the inner cavity of the second storage tank 41 positioned at the second conveying device 42, materials entering the inner cavity of the second storage tank 41 fall into the upper end of the weighing scale to be weighed, and the materials fall into the upper end of the second conveying device 42 to be conveyed, so that the accuracy of the utility model is effectively improved.

The third discharging pipe 43 is arranged at the tail end of the output end of the first conveying device 22, and the material falling to the upper end of the second conveying device 42 is conveyed to the position of the third discharging pipe 43 and discharged.

The slurry mixing unit 5 is located below the fine metering unit 4, the feeding end of the slurry mixing unit 5 is communicated with the third discharging pipe 43, and materials subjected to repeated metering enter the inner cavity of the slurry mixing unit 5 to be stirred, so that the finished lithium ion battery slurry is finally manufactured.

The exhaust unit 6 is located the opposite side of feeding unit 1, primary metering unit 2, fine metering unit 4, combining thick liquid unit 5, and exhaust unit 6 includes exhaust box 61, blast pipe 62, branch pipe 63, filter core 64, first filter screen 65, gas vent 66, and exhaust box 61 is equipped with "cavity", and first filter screen 65 lays the inner chamber at exhaust box 61. The first filter 65 is a closed tubular structure adapted to the vent box 61, and a gap is provided between the first filter 65 and the inner wall of the vent box 61.

The exhaust pipe 62 is connected to the bottom end of the exhaust box 61 and is communicated with the inner cavity of the exhaust box 61, one end of the exhaust pipe 62 far away from the exhaust box 61 is provided with a plurality of branch pipes 63, in this embodiment, the number of the branch pipes 63 is three, and the three branch pipes 63 are respectively communicated with the top end of the first storage tank 21, the top end of the second storage tank 41 and the top end of the slurry mixing unit 5.

In this embodiment, a connecting pipe extending to the outside is provided on one side of the upper end of the inner cavity of the first storage tank 21 far from the feeding end of the primary metering unit 2, and a branch pipe 63 located at the highest position is communicated with a through hole on the first storage tank 21, and when the material enters the inner cavity of the first storage tank 21, the generated exhaust gas enters the inner cavity of the exhaust box 61 through the branch pipe 63.

In this embodiment, a connecting pipe extending to the outside is provided at a side of the upper end of the inner cavity of the second storage tank 41 far from the feeding end of the precise measuring unit 4, and a branch pipe 63 located at the middle position is communicated with the connecting pipe on the second storage tank 41, and when the material enters the inner cavity of the second storage tank 41, the generated exhaust gas enters the inner cavity of the exhaust box 61 through the branch pipe 63.

In this embodiment, through holes are formed at the upper end of the slurry mixing unit 5 corresponding to the vertically arranged branch pipes 63, and when the materials are stirred in the inner cavity of the slurry mixing unit 5, the generated waste gas enters the inner cavity of the exhaust box 61 through the branch pipes 63.

Further, pneumatic valves are installed at the positions corresponding to the connecting pipes in the inner cavities of the first storage tank 21, the second storage tank 41 and the slurry mixing unit 5, and when materials begin to be conveyed, the pneumatic valves are synchronously opened.

The filter elements 64 are arranged in a plurality and correspond to the branch pipes 63 one by one, and each filter element 64 is respectively arranged at the connection positions of the branch pipe 63, the first storage tank 21, the second storage tank 41 and the slurry combining unit 5, so that the problem that materials are synchronously sucked away when the vacuum pipe 7 pumps the whole exhaust unit 6 is effectively avoided, and the practicability of the utility model is effectively improved.

One end of the exhaust box 61 is connected with an exhaust port 66, the left end of the exhaust port 66 extends into the first filter screen 65, the exhaust box 61 is communicated with the vacuum tube 7 through the right end of the exhaust port 66, the exhaust box 61 extracts gas in the device, and the gas is intensively discharged through the vacuum tube 7.

The dust remover 8 is fixedly arranged at the upper end of the feed hopper 12, the diameter size of the dust remover 8 is matched with that of the feed hopper 12, a second filter screen 81 is laid in the inner cavity of the dust remover 8, and the dust remover 8 can be started in the working process or after the working is finished, so that the dust remover can perform extraction operation on materials in the inner cavity of the feed hopper 12, and effectively filters and exhausts gas in the inner cavity of the dust remover, thereby greatly improving the practicability of the utility model.

The working principle of the embodiment is as follows: the staff is through throwing in the material to the inner chamber of feeder hopper 12, start dust shaker 8 and exhaust unit 6 simultaneously, and open the pneumatic valve on the primary metering unit 2, the raw and other materials are carried to the inner chamber of first storage tank 21 through first discharging pipe 13, in the feeding process, the positive pressure gas in feeder hopper 12 inner chamber filters and exhausts through dust shaker 8, the material is in proper order through first storage tank 21, the inner chamber of second storage tank 41 gets into and closes thick liquid unit 5 continues to stir, in the conveying process, during the inner chamber of first storage tank 21, the produced through branch pipe 63 with its extraction, the inner chamber of second storage tank 41 is got into to the material simultaneously, the same time with the waste gas that produces through branch pipe 63 is extracted, the material falls into the inner chamber of joining thick liquid unit 5 through branch pipe 63 and stirs, the gas that produces is extracted, the realization is in joining thick liquid raw and other materials transport process, the gas is not leaked, the effectual dust diffusion condition emergence of having avoided simultaneously powder raw and other materials transport because of exhausting is poor and the inner chamber of joining thick liquid raw and other materials transport precision decline, the defective products and the produced are easy to take place, the automatic quality and the loss that the product that produces and the product loss that produce are low in cost, full-scale control equipment manufacturing cost is easy, the utility model is easy to carry out in the manufacturing process, the utility model, the production line is easy to meet the quality and high quality, the production equipment is easy to meet the quality, and high quality.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

The above-described embodiments merely represent embodiments of the utility model, the scope of the utility model is not limited to the above-described embodiments, and it is obvious to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (10)

1. An exhaust device of a slurry-mixing powder storage tank is characterized in that: including throwing material unit (1), the discharge end intercommunication of throwing material unit (1) has primary metering unit (2), the discharge end intercommunication of primary metering unit (2) has smart metering unit (4), the discharge end intercommunication of smart metering unit (4) has to close thick liquid unit (5), the one end of primary metering unit (2), smart metering unit (4), close thick liquid unit (5) all communicates jointly has exhaust unit (6).

2. The slurry powder storage tank exhaust apparatus according to claim 1, wherein: the exhaust unit (6) comprises an exhaust pipe (62), a plurality of branch pipes (63) are arranged on one side of the exhaust pipe (62), each branch pipe (63) is communicated with the primary metering unit (2), the fine metering unit (4) and the slurry mixing unit (5), and one end, far away from the branch pipe (63), of the exhaust pipe (62) is connected with an exhaust box (61).

3. The slurry powder storage tank exhaust apparatus according to claim 2, wherein: and filter elements (64) are fixedly arranged at the junctions of each branch pipe (63) communicated with the primary metering unit (2), the fine metering unit (4) and the slurry mixing unit (5).

4. The slurry powder storage tank exhaust apparatus according to claim 2, wherein: the inner cavity of the exhaust box (61) is fixedly provided with a first filter screen (65).

5. The slurry powder storage tank exhaust apparatus according to claim 2, wherein: an exhaust port (66) is formed in one end, far away from the exhaust pipe (62), of the exhaust box (61), and the exhaust box (61) is communicated with a vacuum pipe (7) through the exhaust port (66).

6. The slurry powder storage tank exhaust apparatus according to claim 1, wherein: the feeding unit (1) comprises a fixing frame (11), a feeding hopper (12) is arranged at the upper end of the fixing frame (11), a first discharging pipe (13) is arranged at the lower end of the feeding hopper (12), and a hose (3) is connected between the first discharging pipe (13) and the primary metering unit (2) together.

7. The slurry-mixing powder storage tank exhaust apparatus as claimed in claim 6, wherein: the upper end fixedly connected with dust shaker (8) of feeder hopper (12), the lower extreme of dust shaker (8) and the diameter size phase-match of feeder hopper (12), the inner chamber fixedly connected with second filter screen (81) of dust shaker (8).

8. The slurry powder storage tank exhaust apparatus according to claim 1, wherein: the primary metering unit (2) comprises a first storage tank (21), a connecting pipe extending to the outer side is arranged on one side of the upper end of the first storage tank (21) and is communicated with the exhaust unit (6), a first conveying device (22) is fixedly arranged at the lower end of the first storage tank (21), a second discharging pipe (23) is connected below one end of the first conveying device (22), and the second discharging pipe (23) is communicated with the precise metering unit (4) through a hose (3).

9. The slurry powder storage tank exhaust apparatus according to claim 1, wherein: the precise measurement unit (4) comprises a second storage tank (41), a connecting pipe extending to the outer side is arranged on one side of the upper end of the second storage tank (41) and is communicated with the exhaust unit (6), a second conveying device (42) is fixedly arranged at the lower end of the second storage tank (41), a third discharging pipe (43) is connected below one end of the second conveying device (42), and the second storage tank (41) is communicated with the slurry mixing unit (5) through the third discharging pipe (43).

10. The slurry powder storage tank exhaust apparatus according to claim 1, wherein: and the metering scales are fixedly arranged in the primary metering unit (2) and the precise metering unit (4).