CN110127413B

CN110127413B - Battery pole piece turning device

Info

Publication number: CN110127413B
Application number: CN201910301032.8A
Authority: CN
Inventors: 袁珠珠; 陈珝; 李晓燕
Original assignee: Hefei Guoxuan High Tech Power Energy Co Ltd
Current assignee: Liuzhou Guoxuan Battery Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-07-17
Anticipated expiration: 2039-04-15
Also published as: CN110127413A

Abstract

The invention discloses a battery pole piece turnover device which comprises a rack, a transfer part and a turnover part, wherein the transfer part and the turnover part are arranged at the upper end of the rack; the transfer part comprises an upright post slide rail and an inflatable shaft which is connected to one side of the upright post slide rail close to the turnover part in a sliding manner; the turnover part comprises a turnover seat positioned above the rack, and the turnover seat is connected with the rack in a sliding manner in the horizontal direction, in a sliding manner in the vertical direction and in a rotating manner in the vertical direction through an oil cylinder; this application is through setting up material loading turning device and transfer device, therefore can realize that non-contact is rotatory and transport, has reduced the influence to battery sheet, has alleviateed workman's intensity of labour, has improved work efficiency, can roll up through blockking the pole to the epaxial material of material loading and carry on spacingly, prevents that roating seat pivoted in-process material from rolling up and being thrown away.

Description

Battery pole piece turning device

Technical Field

The invention relates to the technical field of lithium battery production equipment, in particular to a battery pole piece overturning device.

Background

The lithium ion battery is a secondary battery and mainly comprises four main materials, namely a diaphragm, electrolyte, a positive electrode material and a negative electrode material. And cutting the polar lug of the positive and negative electrode materials by laser cutting equipment to manufacture pole piece materials for further processing in a winding process.

The lithium ion battery has particularly strict requirements on environmental management and control in the production process, particularly requirements on moisture, humidity and the like, so that direct or indirect contact of operators is strictly required in the processes of processing and transferring the anode and cathode materials. Under current operating mode, the back is accomplished in the processing of laser cutting process, and the pole piece material is stayed white and is demonstrate the one side phenomenon inwards outwards, need carry out two volume material dolly butt joints in the production process and transfer and stay white direction or artifical transport transfers and stays white direction, wastes time and energy, has aggravated workman's intensity of labour, has increased the transportation instrument cost. Meanwhile, due to manual carrying, the cathode is subjected to material dropping in the carrying process, the foil is exposed on the air surface, and the formed battery can be subjected to local lithium precipitation in the charging and discharging process, so that great potential safety hazards are brought, and the product quality is seriously influenced.

Disclosure of Invention

The invention aims to provide a battery pole piece overturning device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a battery pole piece turnover device comprises a rack, a transfer part and a turnover part, wherein the transfer part and the turnover part are arranged at the upper end of the rack;

the transfer part comprises an upright post slide rail and an inflatable shaft which is connected to one side of the upright post slide rail close to the turnover part in a sliding manner; the turnover part comprises a turnover seat positioned above the rack, and the turnover seat is connected with the rack in a sliding manner in the horizontal direction, in a sliding manner in the vertical direction and in a rotating manner in the vertical direction through an oil cylinder;

the automatic feeding device is characterized in that the two sides of the overturning seat are respectively provided with a feeding shaft, one end, far away from the overturning seat, of the feeding shaft is inwards provided with a containing cavity coaxial with the feeding shaft along the shaft center, the containing cavity of the feeding shaft is connected with an ejection block in a sliding mode, the ejection block is close to one end of the overturning seat and is provided with a second spring used for enabling the ejection block to reset, a blocking rod is arranged at the upper end of the ejection block, the upper end of the blocking rod penetrates through the feeding shaft, a slope guide rail is arranged at the upper end of the ejection block, the lower end of the blocking rod is connected to the upper end of the slope guide rail in a sliding mode, and the height of the slope guide rail is gradually reduced from one end, close to the.

As a further scheme of the invention: the lower end of the inflatable shaft is provided with a first oil cylinder used for pushing the inflatable shaft to slide on the upright slide rail, the first oil cylinder is fixedly arranged at the upper end of the rack, the inflatable shaft is connected with the upper end of a piston of the first oil cylinder through a first sliding block, and the first sliding block is connected with the upright slide rail in a vertical sliding manner.

As a further scheme of the invention: the improved turnover mechanism is characterized in that a horizontal sliding rail is arranged at the upper end of the rack, a second sliding block is connected to the horizontal sliding rail in a sliding mode, a second oil cylinder is horizontally arranged on the rack, a piston of the second oil cylinder is connected with the second sliding block, and the turnover seat is connected with the rack in a horizontal sliding mode through the second sliding block.

As a further scheme of the invention: and a rotary oil cylinder is arranged at the upper end of the second sliding block, and the turnover seat is rotatably connected with the rack through the rotary oil cylinder.

As a further scheme of the invention: the top end of the rotary oil cylinder is provided with a third oil cylinder, the overturning seat is fixedly arranged at the upper end of a piston of the third oil cylinder, and the overturning seat is connected with the rack in a vertical sliding mode through the third oil cylinder.

As a further scheme of the invention: the material loading shaft is provided with a limiting shaft in the accommodating cavity, and the lower end of the pushing block is provided with a sliding groove matched with the limiting shaft.

As a further scheme of the invention: and a spring seat is arranged on one side of the pushing block close to the overturning seat, and the end part of the second spring is fixedly arranged on the spring seat.

As a further scheme of the invention: the feeding shaft is characterized in that a through hole is formed in the upper end of the feeding shaft, the blocking rod penetrates through the through hole, a blocking block is arranged at the top end of the blocking rod, and the outer diameter of the blocking block is not larger than the inner diameter of the through hole.

As a further scheme of the invention: the lower end of the blocking rod is provided with a pulley which is movably connected to the upper end of the slope guide rail.

As a further scheme of the invention: the material loading device is characterized in that a first spring is sleeved on the blocking rod, the lower end of the first spring is pressed at the lower end of the blocking rod, and the upper end of the first spring is clamped in the accommodating cavity in the material loading shaft.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the turnover device, the material roll is turned over by the rotation of the rotary oil cylinder in the turnover device through the arrangement of the feeding turnover device and the transfer device, then the turned material is moved to the inflatable shaft in the transfer device to be fixed, and further can be transferred, and the whole turnover process is completed in the same material transfer trolley, so that non-contact rotation and transfer can be realized, the influence on a battery pole piece is reduced, and the matching of a plurality of quasi-transfer trolleys is not needed in the turnover and transfer processes, so that the time and labor are saved, the labor intensity of workers is reduced, and the working efficiency is improved;

2. the feeding shafts are arranged at the two ends of the transferring seat, so that in the working process, when a material roll on the feeding shaft on one side is transferred to the inflatable shaft, the next turning and transferring can be carried out without rotating and resetting the feeding shaft and the rotating seat, the working procedures are reduced, and the production efficiency is improved;

3. this application is through being equipped with the top ejector pad on the material loading shaft, and set up on the top ejector pad and block the piece, and block that the pole can be at material loading epaxial sliding connection from top to bottom, at the in-process of upset, the top ejector pad is in the position of keeping away from the roating seat, it stretches out to block the pole this moment, and then can roll up through blocking the pole to the epaxial material of material loading and carry out spacingly, prevent that roating seat pivoted in-process material from rolling away, and at the in-process of transporting, the physiosis axle promotes the top ejector pad and removes to the direction that is close to the roll-over seat, block that the pole downstream does not go into the material loading shaft inside this moment, therefore need not artificial intervention and can carry.

Drawings

FIG. 1 is a schematic of one result of the invention;

FIG. 2 is a schematic view of the turning part structure of the present invention;

fig. 3 is a cross-sectional view of the turning part of the present invention.

In the figure: 1-a frame, 2-an upright column slide rail, 3-a first slide block, 4-a first oil cylinder, 5-an air expansion shaft, 6-a horizontal slide rail, 7-a second slide block, 8-a second oil cylinder, 9-a rotary oil cylinder, 10-a third oil cylinder, 11-a turnover seat, 12-a feeding shaft, 13-a limiting shaft, 14-a through hole, 15-a pushing block, 16-a sliding chute, 17-a slope guide rail, 18-a pulley, 19-a first spring, 20-a blocking block, 21-a blocking rod, 22-a second spring and 23-a material coil.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, in an embodiment of the present invention, a battery pole piece turnover device includes a frame 1, and a transfer portion and a turnover portion disposed at an upper end of the frame 1, wherein the transfer portion is fixedly disposed at one end of the frame, the turnover portion is horizontally slidably connected to the frame 1, and a roller is disposed at a lower end of the frame 1, so as to facilitate movement of the turnover device;

the transfer part comprises an upright post slide rail 2 and an inflatable shaft 5 connected to the upright post slide rail 2 in a sliding manner, the inflatable shaft 5 is perpendicular to the upright post slide rail 2, the inflatable shaft 5 is located between the upright post slide rail 2 and the turnover part, the upright post slide rail 2 is connected with a first slide block 3 in an up-and-down sliding manner, the inflatable shaft 5 is fixedly arranged on one side of the first slide block 3, a first oil cylinder 4 is arranged at the upper end of the rack 1, the top end of a piston of the first oil cylinder 4 is fixedly arranged with the lower end of the first slide block 3, and the first oil cylinder 4 can drive the first slide block 3 and the inflatable shaft 5 to slide up and down on the upright;

the turnover part comprises a turnover seat 11 positioned above the rack 1, a horizontal slide rail 6 is arranged at the upper end of the rack 1, a second slide block 7 is connected onto the horizontal slide rail 6 in a sliding manner, a rotary oil cylinder 9 is arranged at the upper end of the second slide block 7, a base of the rotary oil cylinder 9 is fixedly connected to the upper end of the second slide block 7, a third oil cylinder 10 is arranged at the top end of the rotary oil cylinder 9, and the turnover seat 11 is fixedly arranged at the upper end of a piston of the third oil cylinder 10, so that the turnover seat 11 is connected with the rack 1 in a vertical sliding manner through the third oil cylinder 10, is rotatably connected with the rack 1 through the rotary oil cylinder 9, and is connected;

the both sides of the overturning seat 11 are provided with a feeding shaft 12, one end of the feeding shaft 12, which is far away from the overturning seat 11, is inwards provided with a containing cavity coaxial with the feeding shaft 12 along the axis, a limiting shaft 13 is arranged in the containing cavity on the feeding shaft 12, a pushing block 15 is connected in the containing cavity of the feeding shaft 12 in a sliding manner, the lower end of the pushing block 15 is provided with a sliding groove 16 matched with the limiting shaft 13, and the sliding groove 16 is clamped on the limiting shaft 13. Further guiding and limiting the pushing block 15, a second spring 22 for resetting the pushing block 15 is arranged at one end of the pushing block 15 close to the overturning seat 11, a spring seat is arranged at one side of the pushing block 15 close to the overturning seat 11, the end part of the second spring 22 is fixedly arranged on the spring seat,

the upper end of the feeding shaft 12 is provided with a through hole 14, the lower end of the through hole 14 is communicated with a containing cavity in the feeding shaft 12, the upper end of the pushing block 15 is provided with a blocking rod 21, the top end of the blocking rod 21 is provided with a blocking block 20, the blocking rod 21 penetrates through the through hole 14, the outer diameter of the blocking block 20 is not larger than the inner diameter of the through hole 14, so that the blocking rod 21 and the blocking block 20 slide in the through hole 14, and further the blocking rod 21 can provide guidance for the up-and-down sliding of the blocking rod 21 through the through hole 14, the upper end of the pushing block 15 is provided with a slope guide rail 17, the height of the slope guide rail 17 is gradually reduced from one end close to the overturning seat 11 to one end far away from the overturning seat 11, the lower end of the blocking rod 21 is provided with a pulley 18, and the pulley 18 is movably connected to the upper end of the slope guide rail 17, therefore, when the pushing block 15 horizontally slides relative to the feeding shaft 12, the blocking rod, the blocking rod 21 can slide downwards under the action of self gravity to be contracted into the feeding shaft 12, so that the material roll 23 can be conveniently assembled and disassembled from the feeding shaft 12;

in addition, a first spring 19 is sleeved on the blocking rod 21, the lower end of the first spring 19 is pressed and connected with the lower end of the blocking rod 21, the upper end of the first spring 19 is clamped in a containing cavity on the feeding shaft 12, therefore, when the pushing block 15 moves towards the direction close to the overturning seat 11, the pulley 18 moves from the higher end to the lower end of the slope guide rail 17, under the action of the spring force and the self gravity, the blocking rod 21 moves downwards, when the pushing block 15 moves towards the direction far away from the overturning seat 11, the pulley 18 moves from the lower end to the higher end on the slope guide rail 17, and then the blocking rod 21 moves upwards and extrudes the first spring 19 under the action of pressure.

When the invention is used, firstly, a material roll 23 is placed on a feeding shaft 12 on the overturning seat 11 far away from the inflatable shaft 5, then a first oil cylinder 4 is started, the inflatable shaft 5 is driven to move upwards to a proper position and be fixed through the extension of a piston of the first oil cylinder 4, then a third oil cylinder 10 is started, the overturning seat 11 is pushed to move upwards through the third oil cylinder 10, the movement is stopped until the feeding shaft 12 on the overturning seat 11 is coaxial with the inflatable shaft 5, a rotary oil cylinder 9 is started, the overturning seat 11 is driven to rotate 180 degrees through the rotary oil cylinder 9, so that the material roll 23 rotates to one side close to the inflatable shaft 5, then a second oil cylinder 8 is started, the overturning seat 11 is driven to move towards the direction close to the inflatable shaft 5 through the second oil cylinder 8, the feeding shaft 12 on one side close to the inflatable shaft 5 on the overturning seat 11 gradually approaches to the inflatable shaft 5 in the moving process of the inflatable shaft 5 of the overturning seat 11, when the inflatable shaft 5 contacts the feeding shaft 12, the end of the inflatable shaft 5 starts to press the pushing block 15, the end of the inflatable shaft 5 pushes the pushing block 15 to start to compress the second spring 22 and make the pushing block 15 move towards the direction close to the overturning shaft 11 as the second oil cylinder 8 drives the overturning seat 11 to continue to move towards the direction close to the inflatable shaft 5, the pulley 18 moves from the higher end to the lower end on the slope guide rail 17 in the process that the pushing block 15 moves towards the overturning seat 11, so that the blocking rod 21 moves downwards in the through hole 14 under the action of the self gravity of the blocking rod 21 and the elastic force of the first spring 19 until the upper end surface of the blocking block 20 is lower than that of the feeding shaft 12, the material coil 23 is moved from the feeding shaft 12 to the inflatable shaft 5 at the moment, then the second oil cylinder 8 is started, the overturning seat 11 is pushed by the second oil cylinder 8 to move towards the direction far from the inflatable shaft 5, the above process is repeated to realize continuous feeding, after the feeding is finished, the third rotary oil cylinder 10 drives the feeding shaft 12 to descend to the lowest position, then the first oil cylinder 4 can be opened, the air expanding shaft 5 with the material roll 23 descends to the position with the same height of the feeding shaft of the subsequent winding machine, and the material roll 23 after being turned over can be transported.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A battery pole piece turnover device comprises a rack (1), and a transfer part and a turnover part which are arranged at the upper end of the rack (1), and is characterized in that the transfer part is fixedly arranged at one end of the rack, and the turnover part is horizontally connected with the rack (1) in a sliding manner;

the transfer part comprises an upright post slide rail (2) and an inflatable shaft (5) which is connected to one side of the upright post slide rail (2) close to the overturning part in a sliding manner; the turnover part comprises a turnover seat (11) positioned above the rack (1), and the turnover seat (11) is connected with the rack (1) in a sliding manner in the horizontal direction, in a sliding manner in the vertical direction and in a rotating manner in the vertical direction through an oil cylinder;

both sides of the turning seat (11) are provided with a feeding shaft (12), one end of the feeding shaft (12) far away from the turning seat (11) is inwards provided with an accommodating cavity coaxial with the feeding shaft (12) along the axis, a pushing block (15) is connected in the containing cavity of the feeding shaft (12) in a sliding manner, a second spring (22) for resetting the pushing block (15) is arranged at one end of the pushing block (15) close to the overturning seat (11), a blocking rod (21) is arranged at the upper end of the pushing block (15), the upper end of the blocking rod (21) penetrates through the feeding shaft (12), the upper end of the pushing block (15) is provided with a slope guide rail (17), the lower end of the blocking rod (21) is connected with the upper end of the slope guide rail (17) in a sliding way, the height of the slope guide rail (17) is gradually reduced from one end close to the overturning seat (11) to one end far away from the overturning seat (11).

2. The battery pole piece turnover device of claim 1, wherein a first oil cylinder (4) used for pushing the air inflation shaft (5) to slide on the upright slide rail (2) is arranged at the lower end of the air inflation shaft (5), the first oil cylinder (4) is fixedly arranged at the upper end of the rack (1), the air inflation shaft (5) is connected with the upper end of a piston of the first oil cylinder (4) through a first sliding block (3), and the first sliding block (3) is connected with the upright slide rail (2) in a vertical sliding manner.

3. The battery pole piece turnover device of claim 1, wherein a horizontal sliding rail (6) is arranged at the upper end of the rack (1), a second sliding block (7) is connected to the horizontal sliding rail (6) in a sliding manner, a second oil cylinder (8) which is horizontally arranged is arranged on the rack (1), a piston of the second oil cylinder (8) is connected with the second sliding block (7), and the turnover seat (11) is connected with the rack (1) in a horizontal sliding manner through the second sliding block (7).

4. The battery pole piece turnover device of claim 3, wherein a rotary oil cylinder (9) is arranged at the upper end of the second sliding block (7), and the turnover seat (11) is rotatably connected with the rack (1) through the rotary oil cylinder (9).

5. The battery pole piece turnover device of claim 4, wherein a third oil cylinder (10) is arranged at the top end of the rotary oil cylinder (9), the turnover seat (11) is fixedly arranged at the upper end of a piston of the third oil cylinder (10), and the turnover seat (11) is connected with the rack (1) in a vertical sliding manner through the third oil cylinder (10).

6. The battery pole piece turnover device of claim 1, wherein a limiting shaft (13) is arranged in a containing cavity on the feeding shaft (12), and a sliding groove (16) matched with the limiting shaft (13) is arranged at the lower end of the pushing block (15).

7. The battery pole piece turnover device of claim 1, wherein a spring seat is arranged on one side of the pushing block (15) close to the turnover seat (11), and the end of the second spring (22) is fixedly arranged on the spring seat.

8. The battery pole piece overturning device according to claim 1, wherein a through hole (14) is formed in the upper end of the feeding shaft (12), the blocking rod (21) penetrates through the through hole (14), a blocking block (20) is arranged at the top end of the blocking rod (21), and the outer diameter of the blocking block (20) is not larger than the inner diameter of the through hole (14).

9. The battery pole piece turnover device of claim 1, wherein the lower end of the blocking rod (21) is provided with a pulley (18), and the pulley (18) is movably connected to the upper end of the slope guide rail (17).

10. The battery pole piece turnover device is characterized in that a first spring (19) is sleeved on the blocking rod (21), the lower end of the first spring (19) is in press fit with the lower end of the blocking rod (21), and the upper end of the first spring (19) is clamped in a containing cavity on the feeding shaft (12).