CN215409037U

CN215409037U - Process oil recovery device for battery diaphragm production line

Info

Publication number: CN215409037U
Application number: CN202121378360.7U
Authority: CN
Inventors: 骆冬; 马攀; 雍安平; 周巨超
Original assignee: Daramic Xiangyang Battery Separator Co Ltd
Current assignee: Daramic Xiangyang Battery Separator Co Ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-01-04
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a process oil recovery device for a battery diaphragm production line, which comprises a white oil recovery box, wherein the white oil recovery box is positioned at the lower end of one side of a lithium battery diaphragm production line, the lower end of the white oil recovery box is connected with a pump body through a connecting pipe, the pump body is fixedly arranged on a supporting plate arranged at the upper end of the right side of a collecting box, the left side of the pump body is connected with the collecting box through an exhaust pipe, a filter screen is arranged inside the upper side of the collecting box, the right end of the filter screen is connected with a limiting plate, the right side of the limiting plate is inserted and installed in a limiting groove formed in the inner wall of the right side of the collecting box, a flow guide seat is arranged on the lower side of the limiting plate, a collecting groove is formed in the lower side of the middle of the flow guide seat, and the lower end of the left side of the collecting groove penetrates through the collecting box and is connected with an oil discharge port through the flow guide seat. This device can realize the automatic recovery function to the white oil, can also filter the impurity in the white oil simultaneously, and the practicality improves greatly.

Description

Process oil recovery device for battery diaphragm production line

Technical Field

The utility model belongs to the technical field of battery diaphragm production, and particularly relates to a process oil recovery device for a battery diaphragm production line.

Background

In the construction of lithium batteries, the separator is one of the key internal components. The performance of the diaphragm determines the interface structure, internal resistance and the like of the battery, directly influences the capacity, circulation, safety performance and other characteristics of the battery, and the diaphragm with excellent performance plays an important role in improving the comprehensive performance of the battery. In the lithium battery, since the electrolyte is an organic solvent system, a separator material resistant to an organic solvent is required, and a polyolefin porous film having high strength and being thinned is generally used. Therefore, a pore-forming agent is required to be added in the production of the lithium battery diaphragm, and white oil is generally adopted as the existing pore-forming agent.

The current lithium cell diaphragm production line from taking equipment to be provided with a white oil tray respectively at the cast sheet with indulge the section of drawing, there is the end cap in the tray bottom can the oil extraction, nevertheless collect at every turn and need the manual work to tear the end cap oil extraction of tearing open after full, and catch to the oil drum again with basin or tray and store, the difficult operation of equivalence, and consuming time hard, and at the in-process of retrieving, oil on the tray falls into impurity easily, the effect becomes poor when making secondary use, and the save effect when preserving is not good, consequently, battery diaphragm production line technology oil recovery unit has been proposed and the above problem is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems, the technical oil recovery device for the battery diaphragm production line is provided.

The technical scheme adopted by the utility model is as follows: the utility model provides a battery diaphragm production line technology oil recovery unit, includes the white oil recovery box, still includes the collecting box, the white oil recovery box is located one side lower extreme of lithium battery diaphragm production line, the lower extreme of white oil recovery box is connected with the pump body through the connecting pipe, the right side upper end of collecting box is provided with the backup pad, pump body fixed mounting is in the backup pad, the left side of the pump body is connected with the collecting box through discharging into the pipe, the inside filter screen that is provided with of upside of collecting box, the right-hand member of filter screen is connected with the limiting plate, the limiting groove of seting up at collecting box right side inner wall is installed in the grafting of the right side of limiting plate, the downside of limiting plate is provided with the water conservancy diversion seat, the collecting vat has been seted up to the middle part downside of water conservancy diversion seat, the left side lower extreme of collecting vat is equipped with the oil drain port that runs through collecting box and water conservancy diversion seat.

In a preferred embodiment, the upper end of the flow guide seat has an inclination angle of 35-40 degrees, the two ends of the collecting tank are provided with heating elements on the inner wall of the flow guide seat at the opposite side, and the four ends of the bottom of the collecting tank are provided with supporting bases.

In a preferred embodiment, the white oil recovery box comprises a white oil recovery box body, the white oil recovery box body is arranged at the lower end of one side of the lithium battery diaphragm production line, and white oil is filled in the white oil recovery box body.

In a preferred embodiment, level gauges are arranged on the upper and lower inner walls of one side of the white oil recovery box body, an oil discharge hole is formed in the lower end of the middle of the white oil recovery box body, the lower end of the oil discharge hole is communicated with a connecting pipe, a circular partition net is arranged on the upper side of the oil discharge hole, and a control chamber is arranged at the outer end of one side of the white oil recovery box body.

In a preferred embodiment, a transverse plate is arranged inside the upper side of the collecting box, a distribution box is arranged on the upper side of the transverse plate, a control console is arranged on the outer side of the collecting box, and sight holes are formed in the collecting box at two ends of the control console.

In a preferred embodiment, the outer end of the lower side of the collecting box is provided with a second sight hole, the outer end of the left side of the collecting box is provided with a positioning plate, positioning bolts are arranged on the front side and the rear side of the positioning plate, the left side of the filter screen penetrates through the inner wall of the left side of the collecting box and is connected with a mounting seat, a hand hole is formed in one side of the mounting seat, a bolt hole is formed in the upper end of the mounting seat, and the lower side of the positioning bolt is inserted into the bolt hole.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. in the utility model, the current white oil position is checked through the liquid level meter at the upper end, when the height of the white oil reaches the upper side liquid level meter, the pump body operates to pump out the white oil in the pump body, and when the liquid level in the white oil recovery box reaches the position of the liquid level meter at the lower side, the pump body stops operating to prevent the pump body from operating in a no-load manner, so that the automatic white oil recovery function can be completed.

2. In the utility model, in the process of extraction, the circular partition net at the upper end can prevent large-particle impurities from blocking a pipeline, white oil is discharged into the collecting box, the white oil is filtered by the filter screen, when the impurities on the filter screen are excessive, the positioning bolt is pulled out upwards, the filter screen in the filter screen is pulled out through the hand hole, the filter screen is replaced and cleaned, and the filtering effect is improved.

3. According to the utility model, when the white oil is stored by the collecting box, the white oil can be heated by the internal heating element, so that the internal temperature change is ensured, and the white oil storage effect is improved.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an enlarged schematic block diagram of a portion of the white oil recovery cartridge of the present invention;

fig. 3 is a front structural section view of the collecting tank of the utility model as a whole.

The labels in the figure are: 1-a collection box, 2-a positioning plate, 3-a positioning bolt, 4-an oil discharge port, 5-a second sight hole, 6-a console, 7-sight holes, 8-a support plate, 9-a pump body, 10-a connecting pipe, 11-a white oil recovery box, 111-a white oil recovery box body, 112-white oil, 113-a circular partition net, 114-an oil discharge hole, 115-a control chamber, 116-a liquid level meter, 12-a distribution box, 13-a transverse plate, 14-a filter screen, 15-a mounting seat, 16-a heating element, 17-a collection tank, 18-a guide seat, 19-a limiting plate and 20-an exhaust pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-3, a battery diaphragm production line process oil recovery unit, includes white oil recovery box 11, collecting box 1, and white oil recovery box 11 is located the one side lower extreme of lithium cell diaphragm production line, and the white oil that the during operation spills can be collected through white oil recovery box 11, and the lower extreme of white oil recovery box 11 is connected with pump body 9 through connecting pipe 10. The current position of the white oil is checked by the upper level gauge 116, and when the height of the white oil reaches the upper level gauge 116, the pump body 9 operates to draw out the white oil inside. The pump body 9 is fixedly installed on a supporting plate 8 arranged at the upper end of the right side of the collecting box 1, the left side of the pump body 9 is connected with the collecting box 1 through a discharge pipe 20, a filter screen 14 is arranged inside the upper side of the collecting box 1, and white oil is filtered through the filter screen 14. When preservation by the collection container 1 is required, heating can be performed by the internal heating element 16, ensuring internal temperature variations. The right-hand member of filter screen 14 is connected with limiting plate 19, and limiting plate 19's right side grafting is installed at the limiting groove that collecting box 1 right side inner wall was seted up, and limiting plate 19's downside is provided with water conservancy diversion seat 18, and collecting vat 17 has been seted up to the middle part downside of water conservancy diversion seat 18, and collecting vat 17's left side lower extreme runs through collecting box 1 and water conservancy diversion seat 18 and is connected with oil drain port 4.

It should be noted that the upper end of the diversion seat 18 has an inclination angle of 35 to 40 °, the two ends of the collecting tank 17 are provided with the heating elements 16 on the inner wall of the opposite side of the diversion seat 18, and the four ends of the bottom of the collecting tank 1 are provided with the supporting bases.

It should be noted that the outer end of the oil discharge port 4 is connected with the white oil storage tank, and when in use, the white oil is discharged into the white oil storage tank through the oil discharge port 4, the white oil recovery box 11 includes a white oil recovery box body 111, the white oil recovery box body 111 is arranged at the lower end of one side of the lithium battery diaphragm production line, and the white oil 112 is arranged inside the white oil recovery box body 111.

It should be noted that, level gauges 116 are disposed on the upper and lower inner walls of one side of the white oil recovery box body 111, when the liquid level in the white oil recovery box 11 reaches the level gauge 116 on the lower side, the pump body 9 stops operating to prevent the pump body 9 from no-load operation, an oil discharge hole 114 is disposed at the lower end of the middle portion of the white oil recovery box body 111, the lower end of the oil discharge hole 114 is communicated with the connection pipe 10, a circular partition net 113 is disposed on the upper side of the oil discharge hole 114, the pipeline can be prevented from being blocked by large-particle impurities through the circular partition net 113 on the upper end, then the white oil is discharged into the collection box 1, and a control chamber 115 is disposed at the outer end of one side of the white oil recovery box body 111.

It should be noted that a transverse plate 13 is arranged inside the upper side of the collecting box 1, a distribution box 12 is arranged on the upper side of the transverse plate 13, a control console 6 is arranged outside the collecting box 1, and the two ends of the control console 6 are provided with viewing holes 7 on the collecting box 1.

It should be explained that, the downside outer end of collecting box 1 is provided with second eyehole 5, the left side outer end of collecting box 1 is provided with locating plate 2, be provided with location bolt 3 on both sides around locating plate 2, 1 left side inner wall connection of collecting box is run through in the left side of filter screen 14 has mount pad 15, hand hole has been seted up in one side of mount pad 15, the bolt hole has been seted up to the upper end of mount pad 15, the downside of location bolt 3 is pegged graft downtheholely at the bolt, when impurity on filter screen 14 is too much, upwards drag out location bolt 3, drag out inside filter screen 14 through hand hole, change and wash filter screen 14.

The working principle is as follows: this device is when using, at first external power supply, then the white oil that the during operation spilt can be collected through white oil recovery box 11, look over current white oil's position through level gauge 116 of upper end, when highly reacing upside level gauge 116 of white oil, pump body 9 functions, take inside white oil out, in the in-process of taking out, circular partition thing net 113 through the upper end can prevent that large granule impurity from blockking up the pipeline, then white oil row goes into to collect case 1 in, filter white oil through filter screen 14, when needs are preserved through collecting case 1, can heat through inside heating element 16, guarantee inside temperature variation, when needs use, can in discharging to the white oil storage tank through oil drain port 4.

When the liquid level in the white oil recovery box 11 reachs the level gauge 116 position of downside, pump body 9 stop function, prevent that pump body 9 from carrying out no-load operation, when impurity on filter screen 14 is too much, upwards drag out location bolt 3, drag out inside filter screen 14 through the hand hole, change and wash filter screen 14, during the installation, insert the back with filter screen 14, peg graft the downside of location bolt 3 of upper end in the bolt hole, can be spacing to filter screen 14, the filter effect has been improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a battery diaphragm production line technology oil recovery unit, includes white oil recovery box (11), its characterized in that: the white oil recovery box is characterized by further comprising a collection box (1), the white oil recovery box (11) is located at the lower end of one side of the lithium battery diaphragm production line, the lower end of the white oil recovery box (11) is connected with a pump body (9) through a connecting pipe (10), a support plate (8) is arranged at the upper end of the right side of the collection box (1), the pump body (9) is fixedly mounted on the support plate (8), the left side of the pump body (9) is connected with the collection box (1) through an exhaust pipe (20), a filter screen (14) is arranged inside the upper side of the collection box (1), a limiting plate (19) is connected to the right end of the filter screen (14), the right side of the limiting plate (19) is inserted and mounted in a limiting groove formed in the inner wall of the right side of the collection box (1), a flow guide seat (18) is arranged on the lower side of the limiting plate (19), a collection groove (17) is formed in the lower side of the middle of the flow guide seat (18), and an oil discharge port (4) penetrating through the collecting tank (1) and the flow guide seat (18) is formed in the lower end of the left side of the collecting tank (17).

2. The battery separator production line process oil recovery device of claim 1, wherein: the upper end inclination angle of the flow guide seat (18) is 35-40 degrees, the two ends of the collecting tank (17) are provided with heating elements (16) on the inner wall of the opposite side of the flow guide seat (18), and supporting bases are arranged at four ends of the bottom of the collecting tank (1).

3. The battery separator production line process oil recovery device of claim 1, wherein: the white oil recovery box (11) comprises a white oil recovery box body (111), the white oil recovery box body (111) is arranged at the lower end of one side of the lithium battery diaphragm production line, and white oil (112) is filled in the white oil recovery box body (111).

4. The battery separator production line process oil recovery device of claim 3, wherein: be provided with level gauge (116) on the inner wall about one side of white oil recovery box body (111), oil drain hole (114) have been seted up to the middle part lower extreme of white oil recovery box body (111), the lower extreme and connecting pipe (10) of oil drain hole (114) are linked together, the upside of oil drain hole (114) is provided with circular partition thing net (113), one side outer end of white oil recovery box body (111) is provided with control room (115).

5. The battery separator production line process oil recovery device of claim 1, wherein: the inside diaphragm (13) that is provided with of upside of collecting box (1), the upside of diaphragm (13) is provided with block terminal (12), the outside of collecting box (1) is provided with control cabinet (6), the both ends of control cabinet (6) are provided with on collecting box (1) and look hole (7).

6. The battery separator production line process oil recovery device of claim 1, wherein: the utility model discloses a filter screen, including collecting box (1), locating plate (2), locating bolt (3), bolt hole, the downside of locating bolt (3) is pegged graft at the bolt hole, the downside outer end of collecting box (1) is provided with second eyehole (5), the left side outer end of collecting box (1) is provided with locating plate (2), be provided with location bolt (3) on both sides around locating plate (2), the left side of filter screen (14) is run through collecting box (1) left side inner wall and is connected with mount pad (15), the hand hole has been seted up in one side of mount pad (15), the bolt hole has been seted up to the upper end of mount pad (15), the downside of location bolt (3) is pegged graft at the bolt hole.