CN113790849B

CN113790849B - Lithium battery sealing performance test equipment

Info

Publication number: CN113790849B
Application number: CN202111351094.3A
Authority: CN
Inventors: 韩鹏; 渐彬彬; 王磊
Original assignee: Shandong High Quality New Energy Testing Co ltd
Current assignee: Shandong High Quality New Energy Testing Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-02-22
Anticipated expiration: 2041-11-16
Also published as: CN113790849A

Abstract

The invention discloses a lithium battery sealing performance testing device, which relates to the technical field of lithium battery sealing and comprises a supporting base, wherein a rotating groove with an upward opening is formed in the upper end surface of the supporting base, a working rotating plate is rotatably arranged on the upper side of the rotating groove, the lower end of the working rotating plate is clamped with the rotating groove, a working cavity with a leftward opening is formed in the working rotating plate, a fixing plate is fixedly arranged on the right wall of the working cavity, a detection cavity with a leftward opening is formed in the fixing plate, and symmetrical moving sliding grooves with leftward openings are formed in the upper side wall and the lower side wall of the detection cavity; meanwhile, the lithium battery is pushed to move by the reciprocating push plate, so that the detection water can enter the lithium battery from multiple directions, and the sealing performance of the lithium battery is further detected.

Description

Lithium battery sealing performance test equipment

Technical Field

The invention relates to the technical field of lithium battery sealing, in particular to a lithium battery sealing performance testing device.

Background

The lithium battery is widely applied to electric tools such as notebooks and cameras, and generally works in a low-temperature and low-pressure environment, so that the sealing performance of the lithium battery is particularly important.

Disclosure of Invention

The invention aims to provide a lithium battery tightness testing device which is used for overcoming the defects in the prior art.

The lithium battery tightness testing device comprises a supporting base, wherein a rotating groove with an upward opening is formed in the upper end face of the supporting base, a working rotating plate is rotatably arranged on the upper side of the rotating groove, the lower end of the working rotating plate is clamped with the rotating groove, a working cavity with a leftward opening is formed in the working rotating plate, a fixing plate is fixedly arranged on the right wall of the working cavity, a detection cavity with a leftward opening is formed in the fixing plate, symmetrical moving sliding grooves with a leftward opening are formed in the upper side wall and the lower side wall of the detection cavity, a supporting plate capable of moving left and right is arranged in the moving sliding grooves, a working plate capable of moving left and right is arranged between the supporting plates on the upper side and the lower side, a sealing plate is fixedly arranged in the working plate, an air hole penetrating and communicating left and right is formed in the sealing plate, a detection fan blade is arranged in the air hole in a rotating mode, and a reciprocating sliding groove is arranged on the right wall of the detection cavity in a communicating mode, a reciprocating connecting rod capable of moving left and right is arranged in the reciprocating chute, the left end face of the reciprocating connecting rod extends leftwards into the detection cavity and is fixedly connected with a reciprocating push plate, a reciprocating component is arranged in the lower wall of the reciprocating chute and can drive the reciprocating connecting rod to reciprocate, the upper wall of the detection cavity is communicated with a water inlet groove, the upper end of the water inlet groove is fixedly connected with a telescopic water pipe, a check valve is fixedly arranged at the joint of the telescopic water pipe and the water inlet groove, an inclined water outlet pipeline with an outward opening is communicated with the upper side of the right wall of the detection cavity, a closed groove is communicated between the two walls in the water outlet pipeline, a movable closed plate is arranged in the closed groove, the upper wall and the lower wall of the working cavity are communicated with symmetrical eccentric cavities, an elastic plate is fixedly arranged at the communication part of the eccentric cavities and the working cavity, and the elastic plate has elasticity, the rotation groove lower wall intercommunication is equipped with the gear chamber, gear intracavity rotation is equipped with the driving gear, the driving gear with the meshing of work commentaries on classics board, be equipped with the storage chamber in the gear chamber lower wall, the storage chamber is used for the storage to detect water, the work commentaries on classics board the closing plate with the concrete setting of reciprocal push pedal is the essential technical characteristic of its technical problem that this application solved.

Preferably, the upper side of the right wall of the movable chute is fixedly provided with a guide connecting rod, the guide connecting rod is connected with the upper side of the support plate in a sliding manner, the lower side of the right wall of the movable chute is provided with a movable threaded shaft in a rotating manner, the movable threaded shaft is connected with the lower side of the support plate in a threaded manner, the lower side of the movable chute is internally fixedly provided with a movable motor, and the right end of the movable threaded shaft is in power connection with the movable motor.

Preferably, the supporting plates on two sides are close to one side of each other and are provided with sealing sliding grooves with inward openings, the sealing sliding grooves are internally provided with movable sliding blocks capable of moving left and right, the movable sliding blocks on two sides are fixedly connected with the sealing plates, the sealing sliding grooves on the upper side are internally fixedly provided with transverse fixed connecting rods, the fixed connecting rods are slidably connected with the movable sliding blocks on the upper side, the sealing sliding grooves on the lower side are internally provided with transverse sealing threaded shafts, the sealing threaded shafts are in threaded connection with the movable sliding blocks on the lower side, one side wall of each sealing sliding groove is internally fixedly provided with an active motor, and one end of each sealing threaded shaft is in power connection with the active motor.

Preferably, rotate between the two walls around the gear cavity and be equipped with the power pivot, the power pivot with driving gear fixed connection, gear cavity back wall internal fixation is equipped with the energy supply motor, power pivot rear end power connect in the energy supply motor.

Preferably, an eccentric rotating shaft is rotatably arranged between the front wall and the rear wall of the eccentric cavity on two sides, an eccentric rotating wheel which is eccentrically arranged is fixedly connected to the outer circular surface of the eccentric rotating shaft, the eccentric rotating wheel abuts against the outer end face of the elastic plate, an eccentric motor is fixedly arranged in one side wall of the eccentric cavity, and one end of the eccentric rotating shaft is in power connection with the eccentric motor.

Preferably, a closed spring is fixedly connected between the lower end face of the closed plate and the lower wall of the closed groove, an electromagnet is fixedly arranged on the lower wall of the closed groove, and the closed plate has magnetism.

Preferably, reciprocal subassembly include with the reciprocal groove of reciprocal spout lower wall intercommunication, reciprocal inslot is equipped with the reciprocal pointer that removes about can, reciprocal pointer lower extreme personally submits the point form, reciprocal groove lower wall intercommunication is equipped with the reciprocal chamber, reciprocal intracavity rotation is equipped with the rotation drum, it is equipped with the joint groove that the slope set up to rotate the excircle face of drum, reciprocal pointer lower extreme downwardly extending to reciprocal intracavity and with joint groove joint, reciprocal chamber right wall internal fixation is equipped with reciprocating motor, it connects in to rotate drum right-hand member power reciprocating motor.

Preferably, storage chamber antetheca upside intercommunication is equipped with the recovery pipeline, it is equipped with the connecting tube to rotate groove lower wall rear side intercommunication, the connecting tube with the recovery pipeline intercommunication, storage chamber back wall internal fixation is equipped with the water pump, water pump lower extreme intercommunication is equipped with the pipeline that draws water, draw water the pipeline with storage chamber lower wall rear side intercommunication, water pump upper end intercommunication is equipped with water supply pipe, water supply pipe with flexible water pipe intercommunication.

Preferably, a one-way air valve is fixedly arranged on one side in the air hole, a detection rotating shaft is fixedly connected to the axis of the detection fan blade, a rotating speed detector is fixedly arranged in the rear wall of the air hole, and the rotating speed detector is in power connection with the detection rotating shaft.

Preferably, the movable motor, the reciprocating motor, the electromagnet, the energy supply motor and the eccentric motor are respectively connected with electric wires with enough length, the working rotating plate conveniently carries out continuous power supply when rotating, and simultaneously, all the electric wires are respectively connected to different circuit boards to carry out different power supply controls.

The invention has the beneficial effects that:

1. the detection cavity is sealed by the sealing plate to form a sealed space, so that the subsequent detection of the sealing performance of the lithium battery is facilitated;

2. according to the invention, the vibration force is input into the lithium battery to be detected by generating high-frequency vibration, and the detection water can more easily enter the gap in the lithium battery by vibration, so that the sealing performance of the lithium battery is further detected;

3. meanwhile, the lithium battery is pushed to move by the reciprocating movement of the reciprocating push plate, so that the detection water can be further promoted to enter the lithium battery from multiple directions, and the sealing performance of the lithium battery can be further detected.

Drawings

FIG. 1 is a schematic external view of the present invention;

FIG. 2 is a schematic diagram of the overall structure of a lithium battery sealing performance testing device according to the present invention;

FIG. 3 is a schematic diagram of an operating state of a lithium battery sealing performance testing device according to the present invention;

FIG. 4 is a schematic view of A-A of FIG. 2 in accordance with the present invention;

FIG. 5 is a schematic view of B-B of FIG. 2 in accordance with the present invention;

FIG. 6 is an enlarged fragmentary schematic view of the one-way valve assembly of FIG. 2 in accordance with the present invention;

FIG. 7 is a schematic view of C-C of FIG. 6 of the present invention;

FIG. 8 is an enlarged fragmentary schematic view of the invention at the sealed threaded shaft member of FIG. 2;

FIG. 9 is an enlarged partial schematic view of the invention at the closure plate member of FIG. 2;

FIG. 10 is an enlarged, fragmentary view of the eccentric rotor assembly of FIG. 2 in accordance with the present invention;

fig. 11 is a partially enlarged view of the invention at the location of the rotating cylinder part in fig. 2.

In the figure:

11. a support base; 12. a driving gear; 13. a power shaft; 14. a recovery pipeline; 15. a storage chamber; 16. a gear cavity; 17. connecting a pipeline; 18. a detection chamber; 19. a reciprocating chamber; 20. a clamping groove; 21. rotating the cylinder; 22. a reciprocating motor; 23. a reciprocating connecting rod; 24. a reciprocating chute; 25. an electromagnet; 26. a closing spring; 27. closing the groove; 28. a fixing plate; 29. a closing plate; 30. a water outlet pipeline; 31. a water inlet groove; 32. a one-way valve; 33. a telescopic water pipe; 34. a working rotating plate; 35. a moving chute; 36. an eccentric cavity; 37. an eccentric runner; 38. an eccentric rotating shaft; 39. an elastic plate; 40. a support plate; 41. a guide link; 42. fixing the connecting rod; 43. a sealing plate; 44. a one-way air valve; 45. a working plate; 46. moving the slide block; 47. moving the threaded shaft; 48. sealing the threaded shaft; 49. sealing the chute; 50. a moving motor; 51. a reciprocating pointer; 52. a reciprocating groove; 53. a reciprocating push plate; 54. a working chamber; 55. a rotating groove; 56. a water pumping pipeline; 57. a water pump; 58. a water supply pipeline; 59. an energy supply motor; 60. an eccentric motor; 61. detecting the rotating shaft; 62. air holes; 63. detecting fan blades; 64. a rotation speed detector; 65. an active motor.

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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention:

referring to fig. 1 to 11, the lithium battery sealing performance testing device according to the embodiment of the present invention includes a supporting base 11, a rotating groove 55 with an upward opening is formed on an upper end surface of the supporting base 11, a working rotating plate 34 is rotatably disposed on an upper side of the rotating groove 55, a lower end of the working rotating plate 34 is connected to the rotating groove 55 in a clamping manner, a working chamber 54 with a leftward opening is disposed in the working rotating plate 34, a fixing plate 28 is fixedly disposed on a right wall of the working chamber 54, a detection chamber 18 with a leftward opening is disposed in the fixing plate 28, symmetrical moving sliding grooves 35 with leftward openings are disposed in upper and lower sidewalls of the detection chamber 18, a supporting plate 40 capable of moving left and right is disposed in the moving sliding groove 35, a working plate 45 capable of moving left and right is disposed between the supporting plates 40 on upper and lower sides, a sealing plate 43 is fixedly disposed in the working plate 45, and an air hole 62 communicated left and right is disposed in the sealing plate 43, the detection fan blades 63 are rotatably arranged in the air holes 62, the right wall of the detection cavity 18 is communicated with a reciprocating chute 24, a reciprocating connecting rod 23 capable of moving left and right is arranged in the reciprocating chute 24, the left end face of the reciprocating connecting rod 23 extends leftwards into the detection cavity 18 and is fixedly connected with a reciprocating push plate 53, a reciprocating component is arranged in the lower wall of the reciprocating chute 24 and can drive the reciprocating connecting rod 23 to reciprocate, the upper wall of the detection cavity 18 is communicated with a water inlet groove 31, the upper end of the water inlet groove 31 is fixedly connected with a telescopic water pipe 33, a one-way valve 32 is fixedly arranged at the joint of the telescopic water pipe 33 and the water inlet groove 31, an inclined water outlet pipeline 30 with an outward opening is communicated with the upper side of the right wall of the detection cavity 18, a closed groove 27 is communicated between the two walls in the water outlet pipeline 30, and a movable closed plate 29 is arranged in the closed groove 27, two wall intercommunications about working chamber 54 are equipped with the eccentric chamber 36 of symmetry, eccentric chamber 36 with working chamber 54 intercommunication department is fixed and is equipped with elastic plate 39, elastic plate 39 has elasticity, it is equipped with gear chamber 16 to rotate groove 55 lower wall intercommunication, the 16 internal rotations in gear chamber are equipped with driving gear 12, driving gear 12 with the meshing of work commentaries on classics board 34, be equipped with storage chamber 15 in the gear chamber 16 lower wall, storage chamber 15 is used for the storage to detect water, work commentaries on classics board 34 closing plate 43 with reciprocating push pedal 53's concrete setting is the indispensable technical characteristic of its technical problem that this application solved.

The right wall of the movable chute 35 on the upper side is fixedly provided with a guide connecting rod 41, the guide connecting rod 41 is connected with the support plate 40 on the upper side in a sliding manner, the right wall of the movable chute 35 on the lower side is provided with a movable threaded shaft 47 in a rotating manner, the movable threaded shaft 47 is connected with the support plate 40 on the lower side in a threaded manner, the movable motor 50 is fixedly arranged in the right wall of the movable chute 35 on the lower side, the right end of the movable threaded shaft 47 is in power connection with the movable motor 50, and the movable motor 50 can drive the movable threaded shaft 47 to rotate when being started, so that the support plate 40 on the lower side is driven to move, and the support plates 40 on the two sides are driven to move.

Wherein, one side of the supporting plates 40 at two sides close to each other is provided with a sealing sliding groove 49 with an inward opening, a moving sliding block 46 capable of moving left and right is arranged in the sealing sliding groove 49, the moving sliding block 46 at two sides is fixedly connected with the sealing plate 43, the sealing sliding groove 49 at the upper side is internally fixedly provided with a transverse fixed connecting rod 42, the fixed connecting rod 42 is slidably connected with the moving sliding block 46 at the upper side, the sealing sliding groove 49 at the lower side is rotatably provided with a transverse sealing threaded shaft 48, the sealing threaded shaft 48 is in threaded connection with the moving sliding block 46 at the lower side, one side wall of the sealing sliding groove 49 is internally fixedly provided with an active motor 65, one end of the sealing threaded shaft 48 is in power connection with the active motor 65, when the active motor 65 is started, the sealing threaded shaft 48 can be driven to rotate, the moving sliding block 46 at the lower side is driven to move, and the working plate 45 is driven to move, thereby moving the sealing plate 43.

Wherein, rotate between the two walls around in the gear chamber 16 and be equipped with power pivot 13, power pivot 13 with driving gear 12 fixed connection, gear chamber 16 back wall internal fixation is equipped with energy supply motor 59, power pivot 13 rear end power connect in energy supply motor 59, can drive when energy supply motor 59 starts power pivot 13 rotates, and then drives driving gear 12 rotates, and then drives work commentaries on classics board 34 wholly rotates.

An eccentric rotating shaft 38 is rotatably arranged between the front wall and the rear wall of the eccentric cavity 36 on the two sides, an eccentric rotating wheel 37 which is eccentrically arranged is fixedly connected to the outer circular surface of the eccentric rotating shaft 38, the eccentric rotating wheel 37 abuts against the outer end face of the elastic plate 39, an eccentric motor 60 is fixedly arranged in one side wall of the eccentric cavity 36, one end of the eccentric rotating shaft 38 is in power connection with the eccentric motor 60, the eccentric rotating shaft 38 is driven to rotate by the starting energy of the eccentric motor 60, the eccentric rotating wheel 37 is further driven to eccentrically rotate, and the elastic plate 39 is pushed to deform and reset in the eccentric rotating process of the eccentric rotating wheel 37, so that high-frequency vibration is generated.

A sealing spring 26 is fixedly connected between the lower end face of the sealing plate 29 and the lower wall of the sealing groove 27, an electromagnet 25 is fixedly arranged on the lower wall of the sealing groove 27, the sealing plate 29 has magnetism, the electromagnet 25 has magnetism when being started, and the sealing plate 29 is driven by magnetic attraction to move downwards under the action of the elasticity of the sealing spring 26, so that two sides of the water outlet pipeline 30 are communicated.

Wherein, the reciprocating component comprises a reciprocating groove 52 communicated with the lower wall of the reciprocating chute 24, a reciprocating pointer 51 capable of moving left and right is arranged in the reciprocating groove 52, the lower end surface of the reciprocating pointer 51 is pointed, a reciprocating cavity 19 is communicated with the lower wall of the reciprocating groove 52, a rotating cylinder 21 is rotationally arranged in the reciprocating cavity 19, a clamping groove 20 which is obliquely arranged is arranged on the outer circular surface of the rotating cylinder 21, the lower end surface of the reciprocating pointer 51 extends downwards into the reciprocating cavity 19 and is clamped with the clamping groove 20, a reciprocating motor 22 is fixedly arranged in the right wall of the reciprocating cavity 19, the right end of the rotating cylinder 21 is in power connection with the reciprocating motor 22, the reciprocating motor 22 can drive the rotating cylinder 21 to rotate when being started, and then the reciprocating pointer 51 is clamped with the clamping groove 20 and drives the reciprocating pointer 51 to reciprocate left and right to further drive the reciprocating connecting rod 23 to reciprocate left and right, and drives the reciprocating push plate 53 to reciprocate left and right.

Wherein, the upper side of the front wall of the storage cavity 15 is communicated with a recovery pipeline 14, the rear side of the lower wall of the rotating groove 55 is communicated with a connecting pipeline 17, the connecting pipeline 17 is communicated with the recovery pipeline 14, a water pump 57 is fixedly arranged in the rear wall of the storage cavity 15, the lower end of the water pump 57 is communicated with a water pumping pipeline 56, the water pumping pipeline 56 is communicated with the rear side of the lower wall of the storage cavity 15, a water supply pipeline 58 is communicated with the upper end of the water pump 57, the water supply pipeline 58 is communicated with the telescopic water pipe 33, after the water pump 57 is started to pump the detection water in the storage cavity 15 through the water pumping pipeline 56, and is upwardly inputted into the water supply pipe 58, and is inputted into the telescopic water pipe 33 through the water supply pipe 58, and is input into the water inlet tank 31 and finally into the detection cavity 18 through the one-way guiding of the one-way valve 32.

One side in the air hole 62 is fixedly provided with a one-way air valve 44, the axis of the detection fan blade 63 is fixedly connected with a detection rotating shaft 61, the rear wall of the air hole 62 is internally fixedly provided with a rotating speed detector 64, and the rotating speed detector 64 is in power connection with the detection rotating shaft 61.

Wherein, the moving motor 50, the reciprocating motor 22, the electromagnet 25, the energy supply motor 59 and the eccentric motor 60 are respectively connected with electric wires with enough length, so that continuous power supply can be conveniently carried out when the working rotating plate 34 rotates, and meanwhile, all the electric wires are respectively connected to different circuit boards to carry out different power supply control.

The invention relates to a lithium battery sealing performance testing device, which comprises the following working procedures:

when the lithium battery detection device works, after the supporting base 11 is placed stably, the movable motor 50 can drive the movable threaded shaft 47 to rotate when being started, the supporting plate 40 on the lower side is further driven to move, the supporting plate 40 on the two sides is further driven to move, the supporting plate 40 moves outwards at the moment, a lithium battery to be detected is placed between the supporting plates 40 on the two sides by a detection person, then the movable motor 50 rotates reversely and drives the sealing plate 43 to move again, the lithium battery is driven to enter the detection cavity 18, the driving motor 65 can drive the sealing threaded shaft 48 to rotate when being started, the movable sliding block 46 on the lower side is further driven to move, the working plate 45 is further driven to move, the sealing plate 43 is driven to move, the sealing plate 43 moves rightwards at the moment, the lithium battery to be detected is gradually pushed to enter the right side inside the detection cavity 18, the detection cavity 18 is sealed through the sealing plate 43, a sealed space is formed, and meanwhile, in the process that the sealing plate 43 moves rightwards, the air in the detection cavity 18 flows outwards through the air hole 62 in a guiding way and flows outwards through the one-way guiding way of the one-way air valve 44, in the process, the air in the air hole 62 flows and drives the detection fan blade 63 to rotate, at the moment, the detection fan blade 63 rotates, the detection fan blade 63 is subjected to speed reduction detection through the rotating speed detector 64, further, the air allowance in the detection cavity 18 is judged through the flowing air flow velocity, the subsequent detection is convenient, then, the power supply motor 59 can drive the power rotating shaft 13 to rotate when being started, further, the driving gear 12 is driven to rotate, further, the working rotating plate 34 is driven to rotate ninety degrees clockwise integrally, at the moment, the opening of the working cavity 54 faces upwards, at the moment, the water outlet pipeline 30 is communicated with the connecting pipeline 17, at the moment, the water pump 57 can suck the detection water in the storage cavity 15 into the water suction pipeline 56 when being started, and upwards input into the water supply pipeline 58 and input into the telescopic water pipe 33 through the water supply pipeline 58, the air is input into the water inlet groove 31 through the one-way guiding of the one-way valve 32 and finally input into the detection cavity 18, at this time, as the detection water in the detection cavity 18 increases, the air allowance in the detection cavity 18 decreases and continues to flow outwards, when the detection water is submerged in the lithium battery to be detected, the water pump 57 stops, at this time, if the sealing performance of the lithium battery is good, the detection water cannot enter the lithium battery, the gas in the lithium battery is not discharged outwards, the air pressure in the detection cavity 18 is stable, the detection fan blade 63 does not rotate any more, if the detection fan blade 63 still rotates, that is, the sealing performance of the detected lithium battery is not good, after the initial detection is completed, the eccentric motor 60 is started to drive the eccentric rotating shaft 38 to rotate, and further drive the eccentric rotating wheel 37 to rotate eccentrically, at this time, the eccentric rotating wheel 37 pushes the elastic plate 39 to deform and reset in the process of eccentric rotating, so as to generate high-frequency vibration, then inputting vibration force into the lithium battery to be detected, enabling the detected water to enter into the gap inside the lithium battery more easily through vibration, further detecting the sealing performance of the lithium battery, when further detection is completed, starting the reciprocating motor 22 at the moment, driving the rotating cylinder 21 to rotate, further clamping the reciprocating pointer 51 with the clamping groove 20 through the reciprocating pointer 51 and driving the reciprocating pointer 51 to reciprocate, further driving the reciprocating connecting rod 23 to reciprocate and driving the reciprocating push plate 53 to reciprocate, further pushing the lithium battery to move through the reciprocating push plate 53, further promoting the detection water to enter into the lithium battery from multiple directions, further detecting the sealing performance of the lithium battery, when the work is completed, the electromagnet 25 is magnetic when being started, further driving the sealing plate 29 to move downwards by overcoming the elastic action of the sealing spring 26 through magnetic attraction, and further enabling two sides of the water outlet pipeline 30 to be communicated, at the moment, the detection water in the detection cavity 18 enters the connecting pipeline 17 through the water outlet pipeline 30 and flows back to the storage cavity 15 through the recovery pipeline 14, so that the circulation of the detection water is realized, and the device is more energy-saving and environment-friendly.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a lithium cell leakproofness test equipment, includes support base (11), its characterized in that: the upper end face of the supporting base (11) is provided with a rotating groove (55) with an upward opening, the upper side of the rotating groove (55) is rotatably provided with a working rotating plate (34), the lower end of the working rotating plate (34) is clamped with the rotating groove (55), a working cavity (54) with a leftward opening is arranged in the working rotating plate (34), a fixing plate (28) is fixedly arranged on the right wall of the working cavity (54), a detection cavity (18) with a leftward opening is arranged in the fixing plate (28), symmetrical moving sliding grooves (35) with a leftward opening are arranged in the upper side wall and the lower side wall of the detection cavity (18), a supporting plate (40) capable of moving left and right is arranged in the moving sliding grooves (35), a working plate (45) capable of moving left and right is arranged between the supporting plates (40) on the upper side and the lower side, a sealing plate (43) is fixedly arranged in the working plate (45), and an air hole (62) which penetrates through and communicates left and right is arranged in the sealing plate (43), a detection fan blade (63) is rotatably arranged in the air hole (62), the right wall of the detection cavity (18) is communicated with a reciprocating sliding chute (24), a reciprocating connecting rod (23) capable of moving left and right is arranged in the reciprocating sliding chute (24), and the left end face of the reciprocating connecting rod (23) extends leftwards into the detection cavity (18) and is fixedly connected with a reciprocating push plate (53); the reciprocating assembly is arranged in the lower wall of the reciprocating chute (24), the reciprocating assembly can drive the reciprocating connecting rod (23) to move in a reciprocating manner, the upper wall of the detection cavity (18) is communicated with a water inlet groove (31), the upper end of the water inlet groove (31) is fixedly connected with a telescopic water pipe (33), a one-way valve (32) is fixedly arranged at the joint of the telescopic water pipe (33) and the water inlet groove (31), an inclined water outlet pipeline (30) with an outward opening is communicated with the upper side of the right wall of the detection cavity (18), a closed groove (27) is communicated between the two walls in the water outlet pipeline (30), a movable closed plate (29) is arranged in the closed groove (27), symmetrical eccentric cavities (36) are communicated with the upper wall and the lower wall of the working cavity (54), and an elastic plate (39) is fixedly arranged at the communication position of the eccentric cavity (36) and the working cavity (54), the rotating groove (55) is communicated with the lower wall of the rotating groove (55) to form a gear cavity (16), a driving gear (12) is arranged in the gear cavity (16) in a rotating mode, the driving gear (12) is meshed with the working rotating plate (34), and a storage cavity (15) is formed in the lower wall of the gear cavity (16).

2. The lithium battery sealability testing apparatus of claim 1, wherein: the upside remove spout (35) right side wall and fix and be equipped with guide link (41), guide link (41) and upside backup pad (40) sliding connection, the downside remove spout (35) right side wall and rotate and be equipped with removal screw thread axle (47), remove screw thread axle (47) and downside backup pad (40) threaded connection, the downside remove spout (35) right side wall internal fixation is equipped with mobile motor (50), remove screw thread axle (47) right-hand member power connect in mobile motor (50).

3. The lithium battery sealability testing apparatus of claim 2, wherein: both sides backup pad (40) are close to one side each other and are equipped with opening inward sealed spout (49), be equipped with removal slider (46) that can remove about in sealed spout (49), both sides remove slider (46) with closing plate (43) fixed connection, the upside sealed spout (49) internal fixation is equipped with horizontal fixed connecting rod (42), fixed connecting rod (42) and upside remove slider (46) sliding connection, the downside sealed spout (49) internal rotation is equipped with horizontal sealed screw shaft (48), sealed screw shaft (48) and downside remove slider (46) threaded connection, a sealed spout (49) lateral wall internal fixation is equipped with driving motor (65), sealed screw shaft (48) one end power connect in driving motor (65).

4. The lithium battery sealability testing apparatus of claim 3, wherein: rotate between two walls around in gear chamber (16) and be equipped with power pivot (13), power pivot (13) with driving gear (12) fixed connection, gear chamber (16) back wall internal fixation is equipped with energy supply motor (59), power pivot (13) rear end power connect in energy supply motor (59).

5. The lithium battery sealability testing apparatus of claim 4, wherein: the eccentric rotating shaft (38) is arranged between the front wall and the rear wall of the eccentric cavity (36) on the two sides in a rotating mode, an eccentric rotating wheel (37) which is arranged eccentrically is fixedly connected to the outer circular surface of the eccentric rotating shaft (38), the eccentric rotating wheel (37) is abutted to the outer end face of the elastic plate (39), an eccentric motor (60) is fixedly arranged in one side wall of the eccentric cavity (36), and one end of the eccentric rotating shaft (38) is connected to the eccentric motor (60) in a power mode.

6. The lithium battery sealability testing apparatus of claim 5, wherein: and a closed spring (26) is fixedly connected between the lower end surface of the closed plate (29) and the lower wall of the closed groove (27), and an electromagnet (25) is fixedly arranged on the lower wall of the closed groove (27).

7. The lithium battery sealability testing apparatus of claim 6, wherein: reciprocating assembly include with reciprocating groove (52) of reciprocal spout (24) lower wall intercommunication, be equipped with reciprocal pointer (51) that can remove about in reciprocating groove (52), reciprocal pointer (51) lower extreme personally submits the point form, reciprocating groove (52) lower wall intercommunication is equipped with reciprocating chamber (19), reciprocating chamber (19) internal rotation is equipped with rotates drum (21), it is equipped with joint groove (20) that the slope set up to rotate drum (21) outer disc, reciprocal pointer (51) lower extreme downwardly extending to in reciprocating chamber (19) and with joint groove (20) joint, reciprocating chamber (19) right wall internal fixation is equipped with reciprocating motor (22), it connect in reciprocating motor (22) to rotate drum (21) right-hand member power.

8. The lithium battery sealability testing apparatus of claim 7, wherein: store chamber (15) antetheca upside intercommunication and be equipped with recovery duct (14), it is equipped with connecting tube (17) to rotate groove (55) lower wall rear side intercommunication, connecting tube (17) with recovery duct (14) intercommunication, store chamber (15) back wall internal fixation is equipped with water pump (57), water pump (57) lower extreme intercommunication is equipped with drinking-water pipeline (56), drinking-water pipeline (56) with store chamber (15) lower wall rear side intercommunication, water pump (57) upper end intercommunication is equipped with water supply pipe (58), water supply pipe (58) with flexible water pipe (33) intercommunication.

9. The lithium battery sealability testing apparatus of claim 1, wherein: one side is fixed in gas pocket (62) is equipped with one-way pneumatic valve (44), it detects pivot (61) to detect flabellum (63) axle center fixedly connected with, gas pocket (62) back wall internal fixation is equipped with rotational speed detector (64), rotational speed detector (64) with detect pivot (61) power connection.

10. The lithium battery sealability testing apparatus of claim 8, wherein: the mobile motor (50), the reciprocating motor (22), the electromagnet (25), the energy supply motor (59) and the eccentric motor (60) are respectively connected with electric wires with enough length, so that continuous power supply is conveniently carried out when the working rotating plate (34) rotates, and meanwhile, all the electric wires are respectively connected to different circuit boards to carry out different power supply control.