CN217848041U

CN217848041U - Big module equipment frock of lithium ion power battery system

Info

Publication number: CN217848041U
Application number: CN202221092528.2U
Authority: CN
Inventors: 纪玉鹏; 何成峰; 赵建刚
Original assignee: Shandong Aerospace Weineng Technology Co ltd
Current assignee: Shandong Aerospace Weineng Technology Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-11-18
Anticipated expiration: 2032-05-09

Abstract

The utility model discloses a big module assembly tool of a lithium ion power battery system, which relates to the technical field of batteries and comprises an extrusion glue injection device and an electric core fixing plate, wherein the glue injection extrusion module comprises an inner cavity, the glue injection device is arranged in the inner cavity and comprises a needle head, and the cover plate comprises a glue injection hole matched with the needle head; the battery cell conveying device comprises a conveying belt and a motor for driving the conveying belt to rotate; be provided with clamping device between first slide rail and the electric core fixed plate, clamping device includes hoist and mount arm and mechanical tong, hoist and mount arm and first slide rail sliding connection, and first slide rail is extended to box fixing device position by electric core conveyor position. This technical scheme makes the whole volume of a plurality of electric cores reduce through the mode with electric core compaction, and then can once only put into more electric cores in electric core box, has increased the whole accumulate ability of battery to electric core after the compaction has also reduced the probability of swell.

Description

Big module equipment frock of lithium ion power battery system

Technical Field

The utility model relates to a battery technology field, specifically speaking relates to a big module equipment frock of lithium ion power battery system.

Background

Nowadays that receives more and more attention at new energy automobile, because the restriction of traditional battery module energy density itself, its stored energy is lower, can't provide the assurance for new energy automobile's high continuation of the journey mileage, for this reason people have turned to big module battery structure with the sight.

In big module battery structure, because the reason of the size increase of single electric core, the battery module equipment degree of difficulty increases, can't assemble into complete battery module with a plurality of electric cores once only. And present electric core adopts the laminate polymer core mostly, need pass through this step of compaction when the laminate polymer core of installation, otherwise very easily take place the problem of battery swell. This step of compaction often needs manual operation, but the unable unified standard of manual operation's accuracy, and this when just resulting in assembling into battery module with the electric core after the compaction again, the problem that can't closely laminate between the electric core.

Disclosure of Invention

To above defect, the utility model aims at providing a big module equipment frock of lithium ion power battery system aims at solving the problem in the battery module can't once only be installed a plurality of electric cores among the prior art.

In order to solve the technical problem, the technical scheme of the utility model is that:

the utility model provides a lithium ion power battery system big module assembly fixture, includes extrusion injecting glue device and electric core fixed plate, extrusion injecting glue device includes driving cylinder and the injecting glue extrusion module of being connected with driving cylinder, one side that injecting glue extrusion module kept away from driving cylinder is provided with the electric core fixed plate, injecting glue extrusion module includes the inner chamber, the inner chamber is by injecting glue extrusion module towards the electric core fixed plate one side to injecting glue extrusion module one side recess formation towards driving cylinder, the inner chamber is towards the one end of electric core fixed plate and is provided with the apron in a sliding manner, be provided with the limiting plate between the apron and the one end that the inner chamber kept away from the apron, be provided with elastic device between limiting plate and the apron, be provided with the injecting glue device in the inner chamber, the injecting glue device includes the syringe needle, the apron includes the injecting glue hole that sets up with the syringe needle cooperation, the one end of injecting glue hole is connected with the apron towards the electric core fixed plate one side, the other end of injecting glue hole is connected with the apron towards elastic device, still be provided with the switch of drive injecting glue device between limiting plate and the apron; the battery cell fixing plate comprises a base plate, a fixing plate is arranged at one end, away from the cover plate, of the base plate, a first extrusion plate is arranged at one end of the fixing plate, a second extrusion plate is arranged at the other end of the fixing plate, and the first extrusion plate and the second extrusion plate are both connected with the base plate in a sliding mode; the battery cell conveying device is positioned on one side, away from the first extrusion plate, of the second extrusion plate and comprises a conveyor belt and a motor for driving the conveyor belt to rotate; the box body fixing device is positioned on one side of the first extrusion plate, which is far away from the second extrusion plate; the fixing frame comprises a first slide rail, a clamping device is arranged between the first slide rail and the battery cell fixing plate, the clamping device comprises a hoisting mechanical arm and a mechanical clamping hand, the hoisting mechanical arm is connected with the first slide rail in a sliding mode, the mechanical clamping hand is located at one end, away from the first slide rail, of the hoisting mechanical arm, and the first slide rail extends from the position of the battery cell conveying device to the position of the box fixing device.

The glue injection extrusion module is provided with a protruding portion towards one end of the battery cell fixing plate, the cover plate comprises a sliding end located in the inner cavity and an external end located outside the inner cavity, the inner diameter of the protruding portion is smaller than the outer diameter of the sliding end, and the inner diameter of the protruding portion is larger than the outer diameter of the external end.

The glue injection device comprises a glue injection pipeline and is characterized by further comprising an air pump, wherein one end of the air pump is connected with the glue injection pipeline, and the other end of the glue injection pipeline is connected with the glue injection device.

The device comprises a first extrusion plate, a second extrusion plate, a first cylinder, a second cylinder and a third cylinder, wherein the first cylinder and the second cylinder are further included, the first cylinder and the first extrusion plate are connected through one surface far away from the second extrusion plate, and the second cylinder and the second extrusion plate are connected through one surface far away from the first extrusion plate.

The clamping device comprises a first slide rail, a transmission lead screw and a shifting module, wherein the transmission lead screw is positioned inside the first slide rail, the extending direction of the transmission lead screw is the same as that of the first slide rail, one end of the transmission lead screw is connected with a driving device, the transmission lead screw penetrates through the shifting module, the transmission lead screw is in threaded connection with the shifting module, and the shifting module is connected with the clamping device.

The clamping device comprises a fourth cylinder, the fourth cylinder comprises a telescopic end, and the telescopic end is connected with one end, far away from the mechanical clamping hand, of the hoisting mechanical arm in a nested manner.

The mechanical clamping hand comprises a connecting plate, one side of the connecting plate is connected with the hoisting mechanical arm, a fifth cylinder, a third extrusion plate and a fourth extrusion plate are arranged on the other side of the connecting plate, the fifth cylinder is located between the third extrusion plate and the fourth extrusion plate, and the fifth cylinder drives the third extrusion plate and the fourth extrusion plate to move in opposite directions.

The box body fixing device comprises a base plate and an L-shaped limiting block, wherein the L-shaped limiting block is positioned on one surface, facing the first sliding rail, of the base plate.

And a cross arm is arranged between the hoisting mechanical arm and the mechanical clamping hand, the cross arm extends from the position of the extrusion glue injection device to the position of the battery cell fixing plate, and the mechanical clamping hand is in sliding connection with the cross arm.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

this technical scheme makes the whole volume of a plurality of electric cores reduce through the mode with electric core compaction, and then can once only put into more electric cores in electric core box, has increased the whole accumulate ability of battery to electric core after the compaction has also reduced the probability of swell.

Drawings

FIG. 1 is a structural diagram of a large module assembly tool of a lithium ion power battery system;

fig. 2 is a structural view of a cell fixing plate;

FIG. 3 is a cross-sectional view of the glue injection extrusion module;

FIG. 4 is a structural view of the clamping device;

FIG. 5 is an enlarged partial view of the clamping device;

fig. 6 is a structural view of the casing fixing device.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The position that involves in this specification all uses the utility model relates to a position of lithium ion power battery system big module equipment frock when normally working is accurate, does not restrict the position when its storage and transportation, only represents relative position relation, does not represent absolute position relation.

As shown in fig. 1 to 6, the assembly tool for a large module of a lithium ion power battery system comprises an extrusion glue injection device 150, wherein the extrusion glue injection device 150 comprises a driving cylinder 116 and a glue injection extrusion module 117 connected with the driving cylinder 116, a cell fixing plate 101 is arranged on one side of the glue injection extrusion module 117 away from the driving cylinder 116, the glue injection extrusion module 117 comprises an inner cavity 151, the inner cavity 151 is formed by sinking one side of the glue injection extrusion module 117 facing the cell fixing plate 101 in a direction facing the driving cylinder 116, a cover plate 152 is arranged at one end of the inner cavity 151 facing the cell fixing plate 101 in a sliding manner, a limiting plate 153 is arranged between the cover plate 152 and one end of the inner cavity 151 away from the cover plate 151, an elastic device 154 is arranged between the limiting plate 153 and the cover plate 152, a glue injection device 155 is arranged in the inner cavity 151, the glue injection device 155 comprises a needle 156, the cover plate 152 comprises a glue injection hole 157 arranged in a matching manner with the needle 156, one end of the glue injection hole 157 is connected with one side of the cover plate 152 facing the cell fixing plate 101, the cover plate 157 is connected with one side of the cover plate 152, the other end of the glue injection hole 157 is connected with one side of the cover plate 152 facing the cell fixing plate 154, and a switch device 157 is connected with one side of the cover plate 155 of the glue injection hole 157, and a switch device 157 is arranged between the cover plate 155; the battery cell fixing plate 101 comprises a base plate 110, a fixing plate 120 is arranged at one end, away from a cover plate 152, of the base plate 110, a first extrusion plate 102 is arranged at one end of the fixing plate 120, a second extrusion plate 103 is arranged at the other end of the fixing plate 120, and the first extrusion plate 102 and the second extrusion plate 103 are both connected with the base plate 110 in a sliding manner; the battery cell conveying device 160 is positioned on one side, away from the first pressing plate 102, of the second pressing plate 103, and the battery cell conveying device 160 comprises a conveyor belt 161 and a motor 162 for driving the conveyor belt 161 to rotate; the box fixing device 104 is positioned on one side of the first pressing plate 102 far away from the second pressing plate 103; the fixing frame 105 includes a first slide rail 106, a clamping device 107 is disposed between the first slide rail 106 and the cell fixing plate 104, the clamping device 107 includes a hoisting mechanical arm 108 and a mechanical gripper 109, the hoisting mechanical arm 108 is slidably connected to the first slide rail 106, the mechanical gripper 109 is located at one end of the hoisting mechanical arm 108, which is far away from the first slide rail 106, and the first slide rail 106 extends from the position of the cell conveying device 160 to the position of the box fixing device 104. The cell conveying device 160 is used for conveying a soft cell, and the mechanical gripper 109 of the clamping device 107 is responsible for conveying the soft cell onto the substrate 110 of the cell fixing plate 101. Because the first extrusion plate 102 and the second extrusion plate 103 are both slidably disposed on the substrate 110, the first extrusion plate 102 and the second extrusion plate 103 can limit the flexible battery cell when moving in opposite directions. The software electricity core is by spacing back, drives actuating cylinder 116 and promotes injecting glue extrusion module 117 and remove towards base plate 110. The elastic device 154 in the cavity 151 applies a pushing force to the cover plate 152, which makes the cover plate 152 partially located outside the cavity 151, and when the glue injection extrusion module 117 extrudes the soft battery cell, the cover plate 152 first contacts the soft battery cell. The cover 152 slides towards the direction of the position-limiting plate 153 after contacting the soft battery cell, because the switch 158 is located between the position-limiting plate 153 and the elastic device 154, the cover 152 presses the switch 158, the switch 158 is opened to drive the glue-injecting device 155 to inject glue, the glue is extruded from the needle 156 and applied to the surface of the soft battery cell, at this time, the surface of the cover 152 facing the fixing plate 120 and the surface of the glue-injecting pressing module 117 facing the fixing plate 120 are located on the same plane, and the needle 156 is still located in the through hole 157, which is to prevent the needle 156 from damaging the soft battery cell and also prevent the needle 156 from being broken. When injecting glue extrusion module 117 carries out the injecting glue operation to the software electricity core, drive actuating cylinder 116 and can continue to apply thrust, injecting glue extrusion module 117 can be whole to apply pressure to the software electricity core, and then realized the compaction operation to the software electricity core, this emergence that has reduced software electricity core swell problem. After injecting glue and compaction operation are accomplished, drive actuating cylinder 116 and can drive injecting glue extrusion module 117 and reset, then mechanical tongs 109 can carry next software electricity core and reach electric core fixed plate 101, extrudes injecting glue device 150 and repeats injecting glue and compaction operation. Finally, when the compacted soft battery cells on the battery cell fixing plate 101 reach a certain number, the mechanical gripper 109 can send the bonded soft battery cells to the battery cell box fixed by the box fixing device 104, so that the purpose of placing a plurality of battery cells in the battery cell box at one time is achieved.

In order to reduce the occurrence of short circuit, the conveyor belt 161 of the cell conveying device 160 needs to place the soft cells and the insulating flame-retardant partition plates at intervals, that is, the insulating flame-retardant partition plates are arranged between the soft cells in the compacted soft cell group.

As shown in fig. 3, in this scheme, a protruding portion 159 is disposed at one end of the glue injection extrusion module 117 facing the cell fixing plate 101, the cover plate 152 includes a sliding end 152a located in the inner cavity 151 and an external end 152b located outside the inner cavity 151, an inner diameter of the protruding portion 159 is smaller than an outer diameter of the sliding end 152a, and an inner diameter of the protruding portion 159 is larger than an outer diameter of the external end 152 b. In this way, the cover plate 152 is retained by the protrusion 159, and the cover plate 152 is prevented from sliding from the inner cavity 151 to the outside due to the pushing of the elastic device 154.

In this scheme, still include air pump 163, the one end of air pump 163 is connected with glue injection pipeline 164, glue injection pipeline 164's the other end and injecting glue device 163 are connected. The air pump 163 is used for providing air thrust for the glue injection device 155, and the glue injection pipeline 164 transports the air generated by the air pump 163 to the glue injection device 155.

As shown in fig. 2, in the present embodiment, a surface of the base plate 110 facing the first slide rail 106 is recessed to a surface far away from the first slide rail 106 to form a fixing groove, and the first pressing plate 102 and the second pressing plate 103 are slidably disposed in the fixing groove. Place electric core in the fixed slot, when electric core was extruded, electric core can be by spacing to the electric core after having avoided being extruded the problem that can't align appears.

As shown in fig. 2, in the present embodiment, the device further includes a first air cylinder 111 and a second air cylinder 112, the first air cylinder 111 is connected to a surface of the first pressing plate 102 away from the second pressing plate 103, and the second air cylinder 112 is connected to a surface of the second pressing plate 103 away from the first pressing plate 102. In order to adapt to the soft battery cores with different sizes, the positions of the first pressing plate 102 and the second pressing plate 103 are adjusted by using the first air cylinder 111 and the second air cylinder 112.

As shown in fig. 4 to 5, in order to enable the clamping device 107 to reciprocate on the first slide rail 106, it is preferable that the clamping device further includes a transmission screw rod 121 and a shifting module 122, the transmission screw rod 121 is located inside the first slide rail 106, an extending direction of the transmission screw rod 121 is the same as an extending direction of the first slide rail 106, one end of the transmission screw rod 121 is connected with a driving device 123, the transmission screw rod 121 passes through the shifting module 122, the transmission screw rod 121 is in threaded connection with the shifting module 122, and the shifting module 122 is connected with the clamping device 107. The driving device 123 is preferably a motor, or the like. The driving device 123 drives the transmission screw rod 121 to rotate, and since the shifting module 122 is in threaded connection with the transmission screw rod 121, the shifting module 122 will displace along the transmission screw rod 121 when the transmission screw rod 121 rotates, and therefore the shifting module 122 can drive the clamping device 107 to reciprocate along the first slide rail 106 by the forward rotation and the reverse rotation of the driving device 123. To facilitate the movement of the clamping device on the first slide rail 106, the clamping device 107 includes a sliding module 124, the first slide rail 106 passes through the sliding module 124, and the shifting module 122 is connected to the sliding module 124. In order to facilitate the connection between the shifting module 122 and the sliding module 124, a first sliding slot is disposed on a surface of the first sliding rail 106 away from the cell fixing plate 101. The first sliding groove is formed by a surface of the first sliding rail 106, which is far away from the cell fixing plate 101, being recessed towards a surface of the first sliding rail 106, which is close to the cell fixing plate 101.

To facilitate the lifting mechanical arm 108 to lift the mechanical gripper 109, preferably, the clamping device 107 includes a fourth cylinder 125, the fourth cylinder 125 includes a telescopic end 125a, and the telescopic end 125a is connected with one end of the lifting mechanical arm 108 away from the mechanical gripper 109 in a nested manner. The fourth cylinder 125 provides power for lifting the hoist arm 108. In order to conveniently place a plurality of soft battery cells side by the mechanical gripper 109, preferably, a cross arm 166 is arranged between the hoisting mechanical arm 108 and the mechanical gripper 109, the cross arm 166 extends from the position of the extrusion glue injection device 150 to the position of the battery cell fixing plate 101, and the mechanical gripper 109 is slidably connected with the cross arm 166. The mechanical gripper 109 may then slide on the crossbar 166, which allows the mechanical gripper 109 to place multiple flexible cells onto the cell securing plate 101 one by one. After each compaction operation, the mechanical gripper 109, through the cooperation of the first slide rail 106 and the cross arm 166, can place the next soft battery cell between the compacted battery cell and the extrusion glue injection device 150, so as to perform the compaction operation again.

In order to realize that the mechanical gripper 109 clamps the soft battery cell, preferably, the mechanical gripper 109 includes a connecting plate 126, one surface of the connecting plate 126 is connected to the hoisting mechanical arm 108, the other surface of the connecting plate 126 is provided with a fifth cylinder 127, a third pressing plate 128 and a fourth pressing plate 129, the fifth cylinder 127 is located between the third pressing plate 128 and the fourth pressing plate 129, and the fifth cylinder 127 drives the third pressing plate 128 and the fourth pressing plate 129 to move toward each other. The fifth cylinder 127 drives the third pressing plate 128 and the fourth pressing plate 129 to move towards each other, so that the clamping action is realized. In order to facilitate that the third pressing plate 128 and the fourth pressing plate 129 can move towards each other and can not fall off, a sliding rail is arranged on one surface of the connecting plate 126 facing the fifth cylinder 127, and the third pressing plate 128 and the fourth pressing plate 129 are both connected with the sliding rail in a sliding manner.

In order to better fix the square battery cell box, as shown in fig. 6, preferably, the box fixing device 104 includes a base plate 130 and an L-shaped stopper 131, where the L-shaped stopper 131 is located on a surface of the base plate 130 facing the first slide rail 106. L shape stopper 131 can be better block the corner of square electric core box, consequently for avoiding square electric core box to take place the displacement, four angles of square electric core box all need the cooperation to be provided with L shape stopper 131.

The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.

Claims

1. The utility model provides a big module equipment frock of lithium ion power battery system which characterized in that: the extrusion glue injection device comprises a driving cylinder and a glue injection extrusion module connected with the driving cylinder, wherein the side, far away from the driving cylinder, of the glue injection extrusion module is provided with a cell fixing plate, the glue injection extrusion module comprises an inner cavity, the inner cavity is formed by sinking one side, facing the cell fixing plate, of the glue injection extrusion module towards one side of the glue injection extrusion module towards the driving cylinder, one end, facing the cell fixing plate, of the inner cavity is provided with a cover plate in a sliding mode, a limiting plate is arranged between the cover plate and one end, far away from the cover plate, of the inner cavity, an elastic device is arranged between the limiting plate and the cover plate, the glue injection device is arranged in the inner cavity and comprises a needle head, the cover plate comprises a glue injection hole matched with the needle head, one end of the glue injection hole is connected with one side, facing the cell fixing plate, of the cover plate, the other end of the glue injection hole is connected with one side, facing the elastic device, of the cover plate, and a switch for driving the glue injection device is further arranged between the limiting plate and the cover plate; the battery cell fixing plate comprises a base plate, a fixing plate is arranged at one end, far away from the cover plate, of the base plate, a first extrusion plate is arranged at one end of the fixing plate, a second extrusion plate is arranged at the other end of the fixing plate, and the first extrusion plate and the second extrusion plate are both connected with the base plate in a sliding mode; the battery cell conveying device is positioned on one side, away from the first extrusion plate, of the second extrusion plate and comprises a conveyor belt and a motor for driving the conveyor belt to rotate; the box body fixing device is positioned on one side of the first extrusion plate, which is far away from the second extrusion plate; the fixing frame comprises a first slide rail, a clamping device is arranged between the first slide rail and the battery cell fixing plate, the clamping device comprises a hoisting mechanical arm and a mechanical clamping hand, the hoisting mechanical arm is connected with the first slide rail in a sliding mode, the mechanical clamping hand is located at one end, away from the first slide rail, of the hoisting mechanical arm, and the first slide rail extends from the position of the battery cell conveying device to the position of the box fixing device.

2. The large module assembling tool for the lithium ion power battery system according to claim 1, characterized in that: the one end of injecting glue extrusion module towards electric core fixed plate is provided with the bulge, the apron is including the external end that is arranged in the slide end of inner chamber and is arranged in the inner chamber outside, the internal diameter of bulge is less than the external diameter of slide end, the internal diameter of bulge is greater than the external diameter of putting the end.

3. The large module assembling tool for the lithium ion power battery system according to claim 1, characterized in that: still include the air pump, the one end of air pump is connected with the notes pipeline of gluing, the other end and the injecting glue device of annotating the pipeline of gluing are connected.

4. The large module assembling tool for the lithium ion power battery system according to claim 1, characterized in that: the first cylinder is connected with one surface of the first extrusion plate, which is far away from the second extrusion plate, and the second cylinder is connected with one surface of the second extrusion plate, which is far away from the first extrusion plate.

5. The lithium ion power battery system large module assembling tool of claim 1, characterized in that: the automatic clamping device is characterized by further comprising a transmission screw rod and a shifting module, wherein the transmission screw rod is located inside the first slide rail, the extending direction of the transmission screw rod is the same as that of the first slide rail, one end of the transmission screw rod is connected with a driving device, the transmission screw rod penetrates through the shifting module, the transmission screw rod is in threaded connection with the shifting module, and the shifting module is connected with the clamping device.

6. The lithium ion power battery system large module assembling tool of claim 1, characterized in that: the clamping device comprises a fourth cylinder, the fourth cylinder comprises a telescopic end, and the telescopic end is connected with one end, away from the mechanical clamping hand, of the hoisting mechanical arm in a nested manner.

7. The lithium ion power battery system large module assembling tool of claim 1, characterized in that: the mechanical clamping hand comprises a connecting plate, one side of the connecting plate is connected with the hoisting mechanical arm, a fifth cylinder, a third extrusion plate and a fourth extrusion plate are arranged on the other side of the connecting plate, the fifth cylinder is located between the third extrusion plate and the fourth extrusion plate, and the fifth cylinder drives the third extrusion plate and the fourth extrusion plate to move in opposite directions.

8. The lithium ion power battery system large module assembling tool of claim 1, characterized in that: the box fixing device comprises a base plate and an L-shaped limiting block, wherein the L-shaped limiting block is positioned on one surface of the base plate facing the first sliding rail.

9. The lithium ion power battery system large module assembling tool of claim 1, characterized in that: and a cross arm is arranged between the hoisting mechanical arm and the mechanical clamping hand, the cross arm extends from the position of the extrusion glue injection device to the position of the battery cell fixing plate, and the mechanical clamping hand is in sliding connection with the cross arm.