CN214957020U

CN214957020U - Lithium battery vacuum sealing device

Info

Publication number: CN214957020U
Application number: CN202121511983.7U
Authority: CN
Inventors: 郑炜; 彭兆花; 王世宏; 李宁; 李红旗
Original assignee: Fangxian Shunfa New Energy Co ltd
Current assignee: Fangxian Shunfa New Energy Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-11-30
Anticipated expiration: 2031-07-05

Abstract

The utility model relates to a lithium cell field discloses a lithium cell vacuum sealing device, including the base, the top fixed mounting of base has a supporting box, the top fixed mounting of supporting box has the roof, one side of supporting box is rotated and is installed the cross axle, rotate on the top inner wall of supporting box and on the bottom inner wall and install same two-way lead screw. The utility model has the advantages of it is following and effect: the utility model discloses a cross axle, two-way lead screw, bevel gear, the gag lever post, a sealed section of thick bamboo, place the cooperation of a section of thick bamboo and sealing washer, make things convenient for a sealed section of thick bamboo and place a sealed or separation of section of thick bamboo, the change of the battery case of being convenient for, through the cylinder, the mounting panel, the barrel, the piston, the connecting rod, the battery cover, a sealed section of thick bamboo, place the cooperation of a section of thick bamboo, vacuum pump and hose, can constitute sealed space, the air in the battery case is taken out when the battery cover is installed to the convenience, avoid gaseous positive negative pole's space that occupies, prevent the disappearance of electrolyte.

Description

Lithium battery vacuum sealing device

Technical Field

The utility model relates to a lithium cell technical field, in particular to lithium cell vacuum sealing device.

Background

In the production process of the lithium battery, a sealing process is required to be carried out on the battery after a liquid injection procedure, the most common mechanical sealing process at present is a mechanical sealing process, namely, a battery core is firstly arranged in a shell, and a groove rolling process is carried out on the upper part of the battery shell, so that the sealing of the interior of the battery is achieved through the sealing pressure after a battery cap is installed, the battery is formed after being placed for a period of time after liquid injection and sealing, and the battery is charged for the first time.

However, the existing lithium battery sealing device cannot perform vacuum sealing on the lithium battery, and gas is easily present in the space of the positive electrode and the negative electrode when the sealing is performed, so that electrolyte is lost, the performance of the lithium battery is reduced, and the battery shell is inconvenient to replace, so that the vacuum sealing device for the lithium battery is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lithium cell vacuum sealing device has and is convenient for change battery case, can realize the effect that the vacuum sealed.

The above technical purpose of the present invention can be achieved by the following technical solutions: the device comprises a base, wherein a supporting box is fixedly arranged at the top of the base, a top plate is fixedly arranged at the top of the supporting box, a cross shaft is rotatably arranged at one side of the supporting box, the same two-way lead screw is rotatably arranged on the inner wall of the top and the inner wall of the bottom of the supporting box, bevel gears are fixedly sleeved at the outer sides of the two-way lead screw and the cross shaft, the two bevel gears are meshed with each other, two thread sleeves are sleeved at the outer side threads of the two-way lead screw, a limiting rod is fixedly arranged at one side of each thread sleeve, a sealing barrel is fixedly arranged at one end of the limiting rod positioned above the sealing barrel, a placing barrel is fixedly arranged at one end of the limiting rod positioned below the sealing barrel, a sealing ring is fixedly arranged at one side, close to the placing barrel and the sealing barrel, a battery cover is slidably sleeved in the sealing barrel, a battery sealing ring is fixedly arranged at the bottom of the battery cover, and an air cylinder is fixedly arranged at the top of the top plate, the improved gas cylinder is characterized in that a mounting plate is fixedly mounted on an output shaft of the cylinder, two cylinders are fixedly mounted at the bottom of the mounting plate, a piston is connected in the cylinders in a sliding and sealing manner, connecting rods are fixedly mounted at the bottom of the piston, the bottom ends of the two connecting rods are fixedly arranged at the top of the battery cover, a vacuum pump is fixedly mounted at the top of the top plate, a hose is fixedly communicated with an air inlet end of the vacuum pump, and one end, far away from the vacuum pump, of the hose is fixedly communicated with one side of the sealing cylinder.

By adopting the technical scheme, through the cooperation of the cross shaft, the bidirectional screw rod, the bevel gear, the limiting rod, the sealing barrel, the placing barrel and the sealing ring, the sealing barrel and the placing barrel are convenient to seal or separate, the battery shell is convenient to replace, and through the cooperation of the air cylinder, the mounting plate, the barrel body, the piston, the connecting rod, the battery cover, the sealing barrel, the placing barrel, the vacuum pump and the hose, a sealing space can be formed, so that air in the battery shell can be conveniently pumped out when the battery cover is mounted, the space of positive and negative electrodes occupied by air is avoided, and the electrolyte is prevented from being lost.

The utility model discloses a further set up to: the fixed holding ring that has connect in the outside of a sealed section of thick bamboo, two locating holes have been seted up to the bottom of holding ring, the fixed holding ring that has connect in the outside of placing a section of thick bamboo, the top fixed mounting of solid fixed ring has the locating lever, and two locating levers cooperate with the locating hole that corresponds respectively.

Through adopting above-mentioned technical scheme, through the cooperation of locating hole and locating lever, make things convenient for a sealed section of thick bamboo and place the location sealing connection of a section of thick bamboo.

The utility model discloses a further set up to: the one end fixed mounting of cross axle has the hand wheel, one side fixed mounting of hand wheel has the handle.

Through adopting above-mentioned technical scheme, through the hand wheel, conveniently rotate the cross axle.

The utility model discloses a further set up to: the opening has been seted up to the opposite side of supporting box, and two gag lever posts all slide to cup joint in the opening.

Through adopting above-mentioned technical scheme, conveniently lead spacing to gag lever post and thread bush for the thread bush does not rotate with two-way lead screw together.

The utility model discloses a further set up to: the bottom fixed mounting of connecting rod has the sucking disc, and two connecting rods all pass through sucking disc fixed mounting at the top of battery cover.

Through adopting above-mentioned technical scheme, through the sucking disc, make things convenient for fixed and the dismouting of battery cover.

The utility model discloses a further set up to: the cross shaft is rotatably installed on one side of the supporting box through a bearing, and the top end and the bottom end of the bidirectional screw rod are rotatably installed on the inner wall of the top and the inner wall of the bottom of the supporting box through bearings respectively.

By adopting the technical scheme, the cross shaft and the bidirectional screw rod are conveniently supported, so that the rotation of the cross shaft and the bidirectional screw rod is more stable.

The utility model has the advantages that:

1. the utility model discloses a cross axle, two-way lead screw, bevel gear, gag lever post, sealed section of thick bamboo, the cooperation of placing a section of thick bamboo and sealing washer, the convenient sealed section of thick bamboo and the sealed or separation of placing a section of thick bamboo, the change of the battery case of being convenient for.

2. The utility model discloses a cylinder, mounting panel, barrel, piston, connecting rod, battery cover, sealed section of thick bamboo, the cooperation of placing a section of thick bamboo, vacuum pump and hose can constitute confined space, and the air in the battery case is taken out to the convenience when the installation battery cover, avoids gaseous space that occupies positive negative pole, prevents the disappearance of electrolyte.

3. The utility model discloses a cooperation of locating hole and locating lever makes things convenient for a sealed section of thick bamboo and places a location sealing connection of section of thick bamboo, through the sucking disc, makes things convenient for the dismouting of battery cover, the operation of being convenient for.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a lithium battery vacuum sealing device provided by the present invention;

fig. 2 is a cross-sectional view of a vacuum sealing device for a lithium battery according to the present invention;

fig. 3 is a schematic structural diagram of a portion a of a vacuum sealing apparatus for a lithium battery according to the present invention;

fig. 4 is a schematic structural diagram of a portion B of a vacuum sealing apparatus for a lithium battery according to the present invention;

fig. 5 is a schematic structural diagram of a part C of a vacuum sealing apparatus for a lithium battery according to the present invention.

In the figure, 1, a base; 2. a support box; 3. a top plate; 4. a horizontal axis; 5. a hand wheel; 6. a cylinder; 7. a vacuum pump; 8. a hose; 9. a sealing cylinder; 10. a positioning ring; 11. placing the cylinder; 12. a fixing ring; 13. positioning a rod; 14. a bidirectional screw rod; 15. a threaded sleeve; 16. a limiting rod; 17. positioning holes; 18. a bevel gear; 19. an opening; 20. mounting a plate; 21. a barrel; 22. a piston; 23. a connecting rod; 24. a battery cover; 25. a battery seal ring; 26. a seal ring; 27. and (4) sucking discs.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model provides a lithium battery vacuum sealing device, which comprises a base 1, a supporting box 2 is fixedly installed on the top of the base 1, a top plate 3 is fixedly installed on the top of the supporting box 2, a cross shaft 4 is rotatably installed on one side of the supporting box 2, the same two-way lead screw 14 is rotatably installed on the top inner wall and the bottom inner wall of the supporting box 2, bevel gears 18 are fixedly sleeved on the outer sides of the two-way lead screw 14 and the cross shaft 4, the two bevel gears 18 are meshed with each other, two thread sleeves 15 are sleeved on the outer threads of the two-way lead screw 14, a limit rod 16 is fixedly installed on one side of each of the two thread sleeves 15, a sealing cylinder 9 is fixedly installed on one end of the limit rod 16 positioned above, a placing cylinder 11 is fixedly installed on one end of the limit rod 16 positioned below, a sealing ring 26 is fixedly installed on one side where the placing cylinder 11 and the sealing cylinder 9 are close to each other, a battery cover 24 is slidably sleeved in the sealing cylinder 9, battery cover 24's bottom fixed mounting has battery sealing washer 25, the fixed cylinder 6 that is provided with in top of roof 3, fixed mounting has mounting panel 20 on the output shaft of cylinder 6, mounting panel 20's bottom fixed mounting has two barrels 21, sliding seal has cup jointed piston 22 in the barrel 21, piston 22's bottom fixed mounting has connecting rod 23, the bottom of two connecting rods 23 is all fixed to be set up at battery cover 24's top, the top fixed mounting of roof 3 has vacuum pump 7, the fixed intercommunication of the inlet end of vacuum pump 7 has hose 8, hose 8 keeps away from the fixed intercommunication in one side of sealed section of thick bamboo 9 of one end of vacuum pump 7.

Specifically, the positioning ring 10 is fixedly sleeved on the outer side of the sealing barrel 9, two positioning holes 17 are formed in the bottom of the positioning ring 10, the fixing ring 12 is fixedly sleeved on the outer side of the placing barrel 11, the positioning rod 13 is fixedly mounted at the top of the fixing ring 12, and the two positioning rods 13 are respectively matched with the corresponding positioning holes.

Specifically, a hand wheel 5 is fixedly mounted at one end of the transverse shaft 4, and a handle is fixedly mounted at one side of the hand wheel 5.

Specifically, an opening 19 is formed in the other side of the support box 2, and the two limiting rods 16 are sleeved in the opening 19 in a sliding manner.

Specifically, the bottom ends of the connecting rods 23 are fixedly provided with suction cups 27, and the two connecting rods 23 are both fixedly arranged at the top of the battery cover 24 through the suction cups 27.

Specifically, the transverse shaft 4 is rotatably mounted on one side of the support box 2 through a bearing, and the top end and the bottom end of the bidirectional screw 14 are rotatably mounted on the top inner wall and the bottom inner wall of the support box 2 through bearings, respectively.

The utility model discloses, when using, place the battery shell in placing a section of thick bamboo, and through sucking disc 27, fix battery cover 24 in the bottom of two connecting rods 23, rotate cross axle 4, through the meshing of two bevel gears 18, cross axle 4 has driven the rotation of two-way lead screw 14, under the spacing of gag lever post 16, two-way lead screw 14 has driven the mutual approaching of two thread bushings 15 and gag lever post 16, thereby has driven the butt of sealed section of thick bamboo 9 and placing a section of thick bamboo 11, through sealing washer 26, can seal sealed section of thick bamboo 9 and placing a section of thick bamboo 11, avoid admitting air, lead to unable vacuum seal, two locating levers 13 joint is in corresponding locating hole 17 this moment, then start cylinder 6, cylinder 6 has driven the moving down of mounting panel 20 and battery cover 24, make battery cover 24 be located sealed section of thick bamboo 9, thereby can seal sealed section of thick bamboo 9 and placing a section of thick bamboo 11, then pass through vacuum pump 7, the air in the sealing cylinder 9 and the placing cylinder 11 can be pumped out, negative pressure is formed in the sealing cylinder 9 and the placing cylinder 11, so that the air pressure in the cylinder body 21 is larger than the air pressure in the sealing cylinder 9, the battery cover 24 can automatically move downwards, the air cylinder 6 is started simultaneously, the battery cover 24 can be driven to seal with the battery shell, the sealing effect is better through the battery sealing ring 25, when the sealing is finished, the vacuum pump 7 and the sucker 27 are closed, the battery cover 24 is separated from the sucker 27, the air cylinder 6 is reversely started, the mounting plate 20 is reset, the transverse shaft 4 reversely rotates, the sealing cylinder 9 is separated from the placing cylinder 11, the sealed battery shell is taken out, the next battery shell can be replaced, the replacement of the battery shell is facilitated, and the operation is convenient.

Claims

1. A lithium battery vacuum sealing device comprises a base (1) and is characterized in that a supporting box (2) is fixedly mounted at the top of the base (1), a top plate (3) is fixedly mounted at the top of the supporting box (2), a transverse shaft (4) is rotatably mounted at one side of the supporting box (2), the same two-way screw rod (14) is rotatably mounted on the inner wall of the top and the inner wall of the bottom of the supporting box (2), bevel gears (18) are fixedly sleeved at the outer sides of the two-way screw rod (14) and the transverse shaft (4), the two bevel gears (18) are meshed with each other, two thread sleeves (15) are sleeved at the outer side of the two-way screw rod (14), a limiting rod (16) is fixedly mounted at one side of the two thread sleeves (15), a sealing barrel (9) is fixedly mounted at one end of the upper limiting rod (16), a placing barrel (11) is fixedly mounted at one end of the lower limiting rod (16), one side of the placing cylinder (11) close to one side of the sealing cylinder (9) is fixedly provided with a sealing ring (26), the sealing cylinder (9) is sleeved with a battery cover (24) in a sliding manner, the bottom of the battery cover (24) is fixedly provided with a battery sealing ring (25), the top of the top plate (3) is fixedly provided with a cylinder (6), an output shaft of the cylinder (6) is fixedly provided with a mounting plate (20), the bottom of the mounting plate (20) is fixedly provided with two cylinder bodies (21), the cylinder bodies (21) are sleeved with a piston (22) in a sliding manner in a sealing manner, the bottom of the piston (22) is fixedly provided with a connecting rod (23), the bottom ends of the two connecting rods (23) are fixedly arranged at the top of the battery cover (24), the top of the top plate (3) is fixedly provided with a vacuum pump (7), and the air inlet end of the vacuum pump (7) is fixedly communicated with a hose (8), one end of the hose (8) far away from the vacuum pump (7) is fixedly communicated with one side of the sealing cylinder (9).

2. The vacuum sealing device for the lithium battery as claimed in claim 1, wherein: the fixed holding ring (10) that has cup jointed in the outside of a sealed section of thick bamboo (9), two locating holes (17) have been seted up to the bottom of holding ring (10), the fixed solid fixed ring (12) that has cup jointed in the outside of placing a section of thick bamboo (11), the top fixed mounting of solid fixed ring (12) has locating lever (13), and two locating levers (13) cooperate with the locating hole that corresponds respectively.

3. The vacuum sealing device for the lithium battery as claimed in claim 1, wherein: the one end fixed mounting of cross axle (4) has hand wheel (5), one side fixed mounting of hand wheel (5) has the handle.

4. The vacuum sealing device for the lithium battery as claimed in claim 1, wherein: an opening (19) is formed in the other side of the supporting box (2), and the two limiting rods (16) are sleeved in the opening (19) in a sliding mode.

5. The vacuum sealing device for the lithium battery as claimed in claim 1, wherein: the bottom fixed mounting of connecting rod (23) has sucking disc (27), and two connecting rod (23) all pass through sucking disc (27) fixed mounting at the top of battery cover (24).

6. The vacuum sealing device for the lithium battery as claimed in claim 1, wherein: the cross shaft (4) is rotatably installed on one side of the supporting box (2) through a bearing, and the top end and the bottom end of the bidirectional screw rod (14) are rotatably installed on the top inner wall and the bottom inner wall of the supporting box (2) through bearings respectively.