阅读说明：本技术 一种用于软包锂电芯的自动定距离输送密封性检测装置 (Automatic fixed-distance conveying sealing performance detection device for soft-package lithium battery cell ) 是由 朱一虎 何学祥 黄保进 于 2021-08-27 设计创作，主要内容包括：本发明公开了一种用于软包锂电芯的自动定距离输送密封性检测装置,其固定底座安装在水平地面上,所述固定底座的顶部固定连接有连接框架,且连接框架的顶部固定连接有固定框架,并且固定框架的安装有真空泵,同时真空泵与固定框架为螺栓固定；包括：连接板,固定安装于所述连接框架的内部,且连接板的顶部焊接有连接有固定板,所述连接板的边侧活动安装有连接滚轴,且连接滚轴的外侧贴合连接有传动带,并且传动带的顶部固定安装有检测台。该用于软包锂电芯的自动定距离输送密封性检测装置可自动对锂电芯进行定距离间歇式输送,且在间歇停顿时,利用真空机、氦气和检测器配合,来对锂电芯自动进行检测,让检测操作更加自动化,检测效率更高。(The invention discloses an automatic fixed-distance conveying tightness detection device for a soft-package lithium battery cell, wherein a fixed base of the device is arranged on the horizontal ground, the top of the fixed base is fixedly connected with a connecting frame, the top of the connecting frame is fixedly connected with a fixed frame, the fixed frame is provided with a vacuum pump, and the vacuum pump and the fixed frame are fixed through bolts; the method comprises the following steps: the connecting plate, fixed mounting in linking frame's inside, and the top welding of connecting plate has the fixed plate, the avris movable mounting of connecting plate has the connection roller bearing, and the outside laminating of connecting the roller bearing is connected with the drive belt to the top fixed mounting of drive belt has the detection platform. This a leakproofness detection device is carried to automatic fixed distance for soft packet of lithium cell can carry out fixed distance intermittent type formula to the lithium cell automatically and carry, and when intermittent type stops, utilizes vacuum machine, helium and detector cooperation, comes to detect the lithium cell is automatic, lets the detection operation more automatic, and detection efficiency is higher.)

1. A fixed base of the device is installed on a horizontal ground, the top of the fixed base is fixedly connected with a connecting frame, the top of the connecting frame is fixedly connected with a fixed frame, the fixed frame is provided with a vacuum pump, and the vacuum pump and the fixed frame are fixed through bolts;

it is characterized by comprising:

the connecting plate is fixedly arranged inside the connecting frame, the top of the connecting plate is welded with a fixing plate, a connecting rolling shaft is movably arranged on the side of the connecting plate, the outer side of the connecting rolling shaft is connected with a transmission belt in a fitting manner, and the top of the transmission belt is fixedly provided with a detection table; the connecting gasket is fixedly connected inside the detection table, and the connecting gasket is in hot-press connection with the detection table;

the storage box body is fixedly arranged on the outer wall of the fixed frame, the outer wall of the storage box body is communicated with a first connecting pipe, a compression box body is arranged on the right side of the storage box body, and the compression box body is fixedly connected with the fixed frame;

the second connecting pipe, install in the outside of vacuum pump, the other end of second connecting pipe is connected with the detection cover body, and detects the outer wall fixedly connected with airtight strip of the cover body to airtight strip is the rubber material.

2. The automatic distance-fixed conveying sealing performance detection device for the soft-packaged lithium battery cell according to claim 1, is characterized in that: a rotating gear and a transmission gear are also arranged in the connecting frame;

the rotating gear is movably mounted on the outer wall of the connecting plate, the outer side of the rotating gear is fixedly connected with a rotating worm wheel, and the side of the rotating worm wheel is connected with a driving worm;

and the transmission gear is movably arranged on the side of the rotating gear.

3. The automatic distance-fixed conveying sealing performance detection device for the soft-packaged lithium battery cell according to claim 2, is characterized in that: the rotating gear and the driving worm form a transmission structure through the rotating worm wheel, the diameter of the rotating gear is larger than that of the transmission gear, and the rotating gear is arranged in a semi-sawtooth shape.

4. The automatic distance-fixed conveying sealing performance detection device for the soft-packaged lithium battery cell according to claim 1, is characterized in that: the fixing plate and the connecting plate are integrally welded, and a gap is reserved between the fixing plate and the transmission belt.

5. The automatic distance-fixed conveying sealing performance detection device for the soft-packaged lithium battery cell according to claim 1, is characterized in that: the detection table and the connecting plate form a movable structure through a driving belt and a connecting rolling shaft, and the detection table is arranged at equal intervals relative to the outer wall of the driving belt.

6. The automatic distance-fixed conveying sealing performance detection device for the soft-packaged lithium battery cell according to claim 1, is characterized in that: the vacuum pump is linked together through the second connecting pipe with the detection cover body, and the outer wall adhesive connection of the detection cover body has airtight strip.

7. The automatic distance-fixed conveying sealing performance detection device for the soft-packaged lithium battery cell according to claim 1, is characterized in that: the detection cover body and the airtight strip are nested in the detection table, and the outer surface of the airtight strip is attached to the inner surface of the detection cover body.

8. The automatic distance-fixed conveying sealing performance detection device for the soft-packaged lithium battery cell according to claim 1, is characterized in that: the inner side of the fixed frame is also provided with a hydraulic rod and a connecting block;

the hydraulic rod is fixedly arranged at the top of the detection cover body, and the detector is arranged on the right side of the hydraulic rod;

the connecting block, fixed connection in the both sides of the detection cover body, and the internal connection of connecting block has the montant.

9. The automatic distance-fixed conveying tightness detection device for the soft-packaged lithium battery cell according to claim 8, characterized in that: the connecting block and the vertical rod are symmetrically arranged relative to the detection cover body, the detection cover body forms a lifting structure through the hydraulic rod and the fixed frame, and the vertical rod penetrates through the connecting block.

Technical Field

The invention relates to the technical field of lithium batteries, in particular to an automatic fixed-distance conveying tightness detection device for a soft-package lithium battery core.

Background

Along with people's attention to environmental protection, begin to develop the lithium cell technique vigorously, replace the car that uses traditional internal-combustion engine as power, in to lithium cell production process, need detect the leakproofness of lithium cell, design an automatic fixed distance transport leakproofness detection device who is used for soft packet of lithium cell for this case.

The utility model discloses a sealed lid leakproofness detection device of lithium cell that is CN211452749U, including vacuum chamber, seal pressing plate, moving mechanism, vacuum pump, gaseous feed mechanism and leak detector … … the utility model discloses a sealed lid leakproofness detection device of lithium cell simple structure, convenient operation, detection efficiency is high.

This sealed lid leakproofness detection device of lithium cell mainly controls internal and external pressure, utilizes the sign gas to detect lithium cell leakproofness, nevertheless in the testing process, needs artifical manual change with the lithium cell manual on the detection mechanism, when a large amount of lithium cells need detect, and then needs artifical frequent operation, and then the great and lower problem of detection efficiency of intensity of labour appears.

To solve the existing problems, innovation is urgently needed on the basis of the original detection device.

Disclosure of Invention

The invention aims to provide an automatic fixed-distance conveying tightness detection device for a soft-package lithium battery cell, and aims to solve the problems that in the detection process, a lithium battery on a detection mechanism needs to be manually replaced manually, when a large number of lithium batteries need to be detected, manual frequent operation is needed, the labor intensity is high, and the detection efficiency is low in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a fixed base of the device is installed on a horizontal ground, the top of the fixed base is fixedly connected with a connecting frame, the top of the connecting frame is fixedly connected with a fixed frame, the fixed frame is provided with a vacuum pump, and the vacuum pump and the fixed frame are fixed through bolts;

the method comprises the following steps:

the connecting plate is fixedly arranged inside the connecting frame, the top of the connecting plate is welded with a fixing plate, a connecting rolling shaft is movably arranged on the side of the connecting plate, the outer side of the connecting rolling shaft is connected with a transmission belt in a fitting manner, and the top of the transmission belt is fixedly provided with a detection table; the connecting gasket is fixedly connected inside the detection table, and the connecting gasket is in hot-press connection with the detection table;

the storage box body is fixedly arranged on the outer wall of the fixed frame, the outer wall of the storage box body is communicated with a first connecting pipe, a compression box body is arranged on the right side of the storage box body, and the compression box body is fixedly connected with the fixed frame;

the second connecting pipe, install in the outside of vacuum pump, the other end of second connecting pipe is connected with the detection cover body, and detects the outer wall fixedly connected with airtight strip of the cover body to airtight strip is the rubber material.

Preferably, a rotating gear and a transmission gear are further arranged inside the connecting frame;

the rotating gear is movably mounted on the outer wall of the connecting plate, the outer side of the rotating gear is fixedly connected with a rotating worm wheel, and the side of the rotating worm wheel is connected with a driving worm;

and the transmission gear is movably arranged on the side of the rotating gear.

Preferably, the rotating gear forms a transmission structure through the rotating worm wheel and the driving worm, the diameter of the rotating gear is larger than that of the transmission gear, the rotating gear is arranged in a semi-sawtooth shape, the worm wheel is driven to move through the driving worm, the rotating worm wheel, the rotating gear and the transmission gear are further driven to rotate, and the rotating gear is arranged in the semi-sawtooth shape, so that the effect of intermittent transmission is achieved.

Preferably, the fixed plate and the connecting plate are integrally welded, a gap exists between the fixed plate and the transmission belt, and the fixed plate mounted on the connecting plate is used for stably supporting the detection table subjected to downward pressure.

Preferably, the detection table and the connecting plate form a movable structure through a transmission belt and a connecting roller, the detection table is arranged at equal intervals relative to the outer wall of the transmission belt, and the lithium battery is conveyed at a fixed distance by the detection table arranged at equal intervals on the transmission belt.

Preferably, the vacuum pump is communicated with the detection cover body through a second connecting pipe, the outer wall of the detection cover body is connected with an airtight strip in an adhering mode, air in the detection cover body is sucked by the vacuum pump, and the detection cover body is in a negative pressure state.

Preferably, the detection cover body and the airtight strip are nested in the detection table, the outer surface of the airtight strip is attached to the inner surface of the detection cover body, the detection cover body is connected with the detection table, the airtight strip is used for increasing air tightness, and pressure leakage is effectively avoided.

Preferably, the inner side of the fixed frame is also provided with a hydraulic rod and a connecting block;

the hydraulic rod is fixedly arranged at the top of the detection cover body, and the detector is arranged on the right side of the hydraulic rod;

the connecting block, fixed connection in the both sides of the detection cover body, and the internal connection of connecting block has the montant.

Preferably, connecting block and montant all set up about detecting the cover body symmetry, and detect the cover body and constitute elevation structure through hydraulic stem and fixed frame to the montant runs through in the inside of connecting block, comes the lift of the control detection cover body through the hydraulic stem, and utilizes connecting plate and montant, comes to go up and down to carry on spacingly, lets go up and down more steadily.

Compared with the prior art, the invention has the beneficial effects that: the automatic fixed-distance conveying sealing performance detection device for the soft-package lithium battery core;

1. the driving worm and the transmission gear are adopted, the driving worm is controlled to rotate, the driving worm drives the rotating worm to rotate, the rotating worm is coaxially connected with the rotating gear, the rotating gear and the transmission gear are driven to rotate, the rotating gear is arranged in a semi-sawtooth shape, the diameter of the rotating gear is larger than that of the transmission gear, the transmission gear is driven to intermittently move with the connecting roller, and the air tightness of the lithium battery cell is detected by utilizing intermittent intervals.

2. The transmission belt and the detection table are adopted, when the transmission gear rotates, the connecting rolling shaft on the side of the connecting plate is driven to move, the connecting rolling shaft is connected with the transmission belt, the transmission belt and the detection table on the transmission belt are driven to move, the detection tables are arranged at equal intervals, and further the lithium battery is conveyed at a fixed distance, so that the detection efficiency is improved;

3. the utility model discloses a gas tightness detection device, including the detection cover body, the detection cover body is connected with airtight strip, and the airtight strip nested connection of the detection cover body and airtight strip is in the inside of examining test table, utilizes the airtight strip that detects cover body both sides, and airtight strip with examine test table and be connected, increase the gas tightness that detects the cover body and examine to be connected between the test table, effectively avoid the condition that gas leaks to appear in the testing process, and then improve and detect the precision.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the connection frame of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of a connecting structure of a connecting plate and a connecting roller according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 4B according to the present invention;

FIG. 6 is a side view of the fixing frame of the present invention;

FIG. 7 is a schematic view of a top connection structure of the inspection station and the airtight strip of the present invention.

In the figure: 1. a fixed base; 2. a connecting frame; 3. a drive worm; 4. a rotating turbine; 5. a rotating gear; 6. a transmission gear; 7. a connecting plate; 8. a fixing plate; 9. connecting the rolling shaft; 10. a transmission belt; 11. a detection table; 12. connecting a gasket; 13. a fixed frame; 14. a storage box body; 15. a first connecting pipe; 16. compressing the box body; 17. a vacuum pump; 18. a second connecting pipe; 19. detecting the cover body; 20. a detector; 21. a hydraulic lever; 22. an airtight strip; 23. connecting blocks; 24. a vertical rod.

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. 1-7, the present invention provides a technical solution: a fixed base 1 is installed on a horizontal ground, a connecting frame 2 is fixedly connected to the top of the fixed base 1, a fixed frame 13 is fixedly connected to the top of the connecting frame 2, a vacuum pump 17 is installed on the fixed frame 13, and the vacuum pump 17 and the fixed frame 13 are fixed through bolts;

the method comprises the following steps:

the connecting plate 7 is fixedly arranged inside the connecting frame 2, the top of the connecting plate 7 is welded with a fixing plate 8, the side of the connecting plate 7 is movably provided with a connecting rolling shaft 9, the outer side of the connecting rolling shaft 9 is connected with a driving belt 10 in a fitting manner, and the top of the driving belt 10 is fixedly provided with a detection table 11; the connecting gasket 12 is fixedly connected inside the detection table 11, and the connecting gasket 12 is in hot-press connection with the detection table 11;

the storage box body 14 is fixedly arranged on the outer wall of the fixed frame 13, the outer wall of the storage box body 14 is communicated with a first connecting pipe 15, a compression box body 16 is arranged on the right side of the storage box body 14, and the compression box body 16 is fixedly connected with the fixed frame 13;

the second connecting pipe 18 is installed on the outer side of the vacuum pump 17, the other end of the second connecting pipe 18 is connected with a detection cover body 19, the outer wall of the detection cover body 19 is fixedly connected with an airtight strip 22, and the airtight strip 22 is made of rubber;

a rotating gear 5 and a transmission gear 6 are also arranged in the connecting frame 2; the rotating gear 5 is movably arranged on the outer wall of the connecting plate 7, the outer side of the rotating gear 5 is fixedly connected with a rotating turbine 4, and the side of the rotating turbine 4 is connected with a driving worm 3; the transmission gear 6 is movably arranged on the side of the rotating gear 5; the rotating gear 5 and the driving worm 3 form a transmission structure through the rotating turbine 4, the diameter of the rotating gear 5 is larger than that of the transmission gear 6, and the rotating gear 5 is arranged in a semi-sawtooth shape;

through control drive worm 3 and rotate, drive worm 3 takes rotatory turbine 4 to rotate, and rotatory turbine 4 and running gear 5 are coaxial coupling, and then drive running gear 5 and drive gear 6 and rotate, and running gear 5 is half cockscomb structure setting, and the diameter of running gear 5 is greater than drive gear 6's diameter, and then drive gear 6 and connect roller bearing 9 intermittent type formula motion, utilize intermittent type interval, come to detect the lithium cell gas tightness.

The fixed plate 8 and the connecting plate 7 are welded and integrated, and a gap is reserved between the fixed plate 8 and the transmission belt 10;

fixed plate 8 is fixed on connecting plate 7, and when drive belt 10 normally moved, there was the interval between the fixed plate 8 of drive belt 10 and bottom, avoids producing the influence to the motion of drive belt 10, and when drive belt 10 stopped, when the last detection platform 11 of drive belt 10 received down force, fixed plate 8 that lies in drive belt 10 bottom provided stable support to detection platform 11 on the drive belt 10, reduced the pushing down that drive belt 10 received and torn the power.

The detection table 11 and the connecting plate 7 form a movable structure through a driving belt 10 and a connecting roller 9, and the detection table 11 is arranged at equal intervals relative to the outer wall of the driving belt 10;

drive gear 6 drives the connecting roller 9 rotation of 7 avris of connecting plate, connects roller 9 and drive belt 10 and links to each other, drives the test table 11 motion of examining on drive belt 10 and the drive belt 10, examines test table 11 equidistance and is provided with a plurality ofly, and then realizes carrying the lithium cell fixed distance, improves detection efficiency.

The vacuum pump 17 is communicated with the detection cover body 19 through a second connecting pipe 18, and the outer wall of the detection cover body 19 is connected with an airtight strip 22 in an adhering mode; the detection cover body 19 and the airtight strip 22 are nested in the detection table 11, and the outer surface of the airtight strip 22 is attached to the inner surface of the detection cover body 19;

vacuum pump 17 links to each other through second connecting pipe 18 and the detection cover body 19, utilize vacuum pump 17 to detect the cover body 19 and detect platform 11 department air and absorb, it has airtight strip 22 to detect the outside adhesive connection of the cover body 19, it is inside at detection platform 11 to detect the cover body 19 and airtight strip 22 nested connection, utilize the airtight strip 22 that detects the cover body 19 both sides, and airtight strip 22 with detect platform 11 and be connected, increase the gas tightness of being connected between the detection cover body 19 and the detection platform 11, effectively avoid the condition that gas leaks to appear in the testing process, and then improve and detect the precision.

The inner side of the fixed frame 13 is also provided with a hydraulic rod 21 and a connecting block 23; a hydraulic rod 21 fixedly mounted on the top of the detection cover body 19, and a detector 20 is mounted on the right side of the hydraulic rod 21; the connecting blocks 23 are fixedly connected to two sides of the detection cover body 19, and vertical rods 24 are connected inside the connecting blocks 23; the connecting block 23 and the vertical rod 24 are symmetrically arranged about the detection cover body 19, the detection cover body 19 and the fixed frame 13 form a lifting structure through the hydraulic rod 21, and the vertical rod 24 penetrates through the inside of the connecting block 23;

through control hydraulic stem 21, hydraulic stem 21 drives and detects the cover body 19 and goes up and down in fixed frame 13 inboard, and the both sides that detect the cover body 19 are connected with connecting block 23, and connecting block 23's inside runs through there is montant 24, utilizes connecting block 23 and montant 24's setting, lets the more steady of the lift that detects the cover body 19.

The working principle is as follows: when the automatic fixed-distance conveying tightness detection device for the soft-package lithium battery core is used, according to the figures 1-7, firstly, a lithium battery core to be detected is placed on a detection table 11, the driving of a driving motor on the side of a connection frame 2 is controlled, the driving motor drives a driving worm 3 to rotate, the driving worm 3 drives a rotating turbine 4, a rotating gear 5 and a transmission gear 6 to rotate on the side of a connection plate 7, the transmission gear 6 drives a connection rolling shaft 9, a transmission belt 10 and the detection table 11 to move, the detection table 11 is arranged at equal intervals relative to the transmission belt 10, further, the fixed-distance conveying of the lithium battery core is realized, the rotating gear 5 is arranged in a semi-sawtooth shape, the diameter of the rotating gear 5 is larger than that of the transmission gear 6, and further, the intermittent conveying effect is realized;

when the detection table 11 moves to a position right below the detection cover 19 on the inner side of the fixed frame 13, the movement is stopped, and the movement of the hydraulic rod 21 is controlled, the hydraulic rod 21 drives the detection cover 19 to move downwards, the two sides of the detection cover 19 are connected with the connecting blocks 23, the vertical rods 24 penetrate through the connecting blocks 23, the lifting of the detection cover 19 is more stable by the vertical rods 24, the detection cover 19 and the airtight strips 22 are driven to be embedded into the detection table 11, the airtight strips 22 are connected with the detection table 11 to increase the airtightness between the detection cover 19 and the airtight strips 22, meanwhile, the detection table 11 applies a downward pressure to the transmission belt 10, the transmission belt 10 is connected with the fixed plate 8 to provide stable support for the detection table 11, the vacuum pump 17 is connected with the detection cover 19 through the second connecting pipe 18, the vacuum pump 17 is used for absorbing and removing the gas between the detection cover 19 and the detection table 11 to make the detection space in a negative pressure state, helium in the storage box body 14 is charged into the detection space through the first connecting pipe 15, when the lithium battery cell is poor in air tightness, the helium can enter the lithium battery cell shell, gas with the same pressure in the compression box body 16 is used for discharging the gas in the detection space, the gas in the lithium battery cell shell is not affected and is subjected to pressure release, the helium is detected in the space after the pressure release through the detector 20, and when the helium is detected, the existence of a gap in the lithium battery cell shell can be judged.

Those not described in detail in this specification are within the skill of the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.