CN214041677U - Soft-package battery edge voltage detection device - Google Patents
Soft-package battery edge voltage detection device Download PDFInfo
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- CN214041677U CN214041677U CN202021978417.2U CN202021978417U CN214041677U CN 214041677 U CN214041677 U CN 214041677U CN 202021978417 U CN202021978417 U CN 202021978417U CN 214041677 U CN214041677 U CN 214041677U
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Abstract
The utility model provides a laminate polymer battery limit voltage detection device, includes: the supporting unit is used for installing a battery pressing unit and a lug pressing unit; the battery pressing unit comprises a pressing component and an upper pressing component, wherein the pressing component comprises a pressing driving mechanism and an upper pressing plate and is used for pressing the soft package battery; the upper pressing assembly comprises a supporting base, a pressing driving mechanism and a lower pressing plate and is used for supporting the soft package battery; the side voltage detection unit comprises a lug pressing and conducting mechanism and a lug protection compatible moving mechanism, wherein the lug pressing and conducting mechanism comprises a lug pressing assembly and a lug conducting mechanism; the lug protection compatible moving mechanism is arranged between the support base and the lower pressing plate and is used for driving the lower pressing plate to horizontally move and simultaneously supporting the lug of the soft package battery; and the control unit comprises a controller and a plurality of pressure sensors and is used for controlling the operation of the battery pressing unit and the lug protection compatible moving mechanism. The utility model has the advantages that: the measurement of batteries with the same category and different sizes can be realized.
Description
Technical Field
The utility model relates to a laminate polymer battery limit voltage detection device belongs to laminate polymer battery limit voltage detection's technical field.
Background
At present, the application of lithium batteries is more and more extensive, and compared with the traditional batteries, the lithium batteries have the advantages of large capacity, high working voltage, high charging speed, wide working temperature range, long cycle life, small volume, light weight and the like. Because the soft package battery has a larger capacity advantage compared with a cylindrical battery and a square battery, the soft package lithium battery is adopted as an energy storage device and a power device more and more. Because the middle aluminium lamination of laminate polymer battery's plastic-aluminum membrane when the battery encapsulation, easy and negative pole utmost point ear short circuit, and then can cause the middle aluminium lamination of plastic-aluminum membrane to be corroded. Therefore, in the production test procedure of the pouch battery, the insulation test, i.e. the side voltage detection, needs to be performed on the aluminum plastic film and the negative electrode tab of the pouch battery.
In the utility model discloses a (patent number: CN207248935U), relate to a soft packet of lithium cell side voltage testing arrangement, mainly be the test of the side voltage of homonymy utmost point ear soft packet of lithium cell, realize through electrically conductive cotton between test probe and the soft packet of lithium cell that the electricity is connected, then realize the detection of side voltage, in this scheme, there is secondary electricity connection contact between test probe and the soft packet of lithium cell, can lead to the test result inaccurate, and in this test, do not exert pressure for soft packet of lithium cell, can't judge its insulating properties good or bad.
Disclosure of Invention
In order to solve the problem, the utility model provides a laminate polymer battery limit voltage detection device, this limit voltage testing arrangement have simple structure, full automatic operation, compatible good and strong adaptability's advantage, in addition, in the limit voltage test process, can not destroy laminate polymer battery's outside and inner structure.
A laminate polymer battery limit voltage detection device, a serial communication port, include:
the top of the supporting unit is provided with an installation platform, and the installation platform is provided with a first hollowed installation hole and a second hollowed installation hole which are used for installing a battery pressing unit and a lug pressing unit;
the battery pressing unit comprises a pressing component and an upper pressing component, the pressing component comprises a pressing driving mechanism and an upper pressing plate, the pressing driving mechanism is embedded in the first hollowed-out mounting hole of the supporting unit in a sliding mode, and the force application end of the pressing driving mechanism is kept to stretch out of the hollowed-out mounting hole and fall below the mounting table and is used for applying pressure to the soft package battery; the upper pressing plate is arranged at the force application end of the downward pressing driving mechanism and is used for contacting the upper surface of the body of the soft package battery so as to apply pressure to the soft package battery; the upper pressing assembly comprises a supporting base, a pressing driving mechanism and a lower pressing plate, and the supporting base is arranged below the lower pressing assembly and used for supporting the pressing driving mechanism; the pressing driving mechanism is arranged on the supporting base, a pressing end part of the pressing driving mechanism is slidably assembled with the lower pressing plate, the lower pressing plate is kept opposite to the upper pressing plate in parallel, and a clamping area for accommodating the lithium battery is reserved between the lower pressing plate and the upper pressing plate;
the side voltage detection unit comprises a lug pressing and conducting mechanism and a lug protection compatible moving mechanism, wherein the lug pressing and conducting mechanism comprises a lug pressing assembly and a lug conducting mechanism, and the lug pressing assembly is embedded in the second hollowed-out mounting hole and used for pressing and compacting the lug of the soft-package battery; the lug conduction mechanism is arranged at the compression end part of the compression driving mechanism and is right opposite to the lug compression assembly, and is used for realizing the conduction between the lug of the soft package battery and the lug compression assembly so as to carry out side voltage test on the lug of the soft package battery; the lug protection compatible moving mechanism is arranged between the supporting base and the lower pressing plate and comprises a horizontal moving part and a vertical lifting part, wherein the horizontal moving part is arranged on the supporting base of the upper pressing assembly in a sliding mode and is used for adjusting the horizontal position of the vertical lifting part to be compatible with different types of soft package batteries; the vertical lifting part is arranged on the horizontal moving part, and the lifting end of the vertical lifting part penetrates through the through hole of the lower pressing plate and is used for driving the lower pressing plate to horizontally move and simultaneously supporting the lug of the soft package battery;
the voltage test connecting end of the controller is electrically connected with the test connecting port of the lug pressing assembly and is used for carrying out side voltage test on the soft package battery; the pressure sensors are respectively arranged at the battery pressing unit and the lug protection compatible moving mechanism and are used for feeding back pressure values to the controller; and the signal output end of the controller is respectively and electrically connected with the battery pressing unit and the action control end of the lug protection compatible moving mechanism and is used for controlling the operation of the battery pressing unit and the lug protection compatible moving mechanism.
Further, the supporting unit comprises a supporting plate and a plurality of supporting columns, the supporting plate serves as a mounting platform and is arranged in a side voltage detection area of a production line through a supporting column frame, a first hollowed-out mounting hole and a second hollowed-out mounting hole are formed in the supporting plate, and the first hollowed-out mounting hole is adjacent to the second hollowed-out mounting hole.
Further, the downward pressing driving mechanism comprises a downward pressing cylinder part, a first sliding part and a fixing part, wherein the downward pressing cylinder part is a power part and provides lifting power for the downward pressing assembly, and the downward pressing cylinder part is in sliding connection with the fixing part through the first sliding part so as to lift along the axial direction of the first sliding part; the pressing end of the lower pressing cylinder part is fixedly connected with an upper pressing plate and is used for pressing the surface of the soft package battery; the first sliding parts are at least two groups and are symmetrically arranged at two sides of the cylinder part, the sliding parts of the first sliding parts are connected with the cylinder part, and the guide parts of the first sliding parts are connected with the fixed part and used for providing guide for the lifting motion of the pressing assembly; the fixing parts correspond to the first sliding parts one to one, the fixing parts are embedded in the first hollow-out mounting holes of the supporting plate, and the fixing parts are symmetrically arranged on the outer side of the first sliding parts and used for supporting the pressing assemblies.
Further, the lower air cylinder component comprises a lower air cylinder, a floating joint, a cushion block and a first fixing plate, the lower air cylinder is connected to the cushion block through the floating joint, the cushion block is connected to the first fixing plate, and the first fixing plate is connected with the upper pressing plate and keeps the upper pressing plate horizontal;
the guide part of the first sliding part is a first sliding rail which is vertically arranged, the sliding part comprises a first sliding block and a sliding plate, and the first sliding part is connected with the fixed part through the first sliding rail; the sliding plate of the first sliding component is connected with the first fixing plate of the cylinder component so as to achieve the connection between the first sliding component and the downward-pressing cylinder component; the first sliding rail is connected and matched with the sliding plate through the first sliding block, so that the lower air cylinder part slides axially along the first sliding rail under the driving of the sliding plate to adjust the longitudinal position of the air cylinder part;
the fixing part comprises a fixing plate and reinforcing ribs; the fixed plates are respectively and symmetrically arranged at the first hollowed-out mounting holes of the supporting plate and are fixedly connected with the lower surface of the supporting plate through reinforcing ribs, and the fixed plates are positioned on the outer sides of the first slide rails and are connected with the corresponding first slide rails, so that the two sets of first sliding parts are respectively and symmetrically arranged at the first hollowed-out mounting holes of the supporting plate; four groups of reinforcing ribs are provided, and two groups of reinforcing ribs are a pair and are symmetrically arranged on the front side and the rear side of the fixing plate.
Furthermore, the supporting base is used for supporting the upper pressing assembly and comprises a supporting flat plate and two groups of supporting vertical plates, the supporting flat plate is used for installing and supporting the cylinder part, and the two groups of supporting vertical plates are symmetrically arranged on the lower surface of the supporting flat plate and are used for directly fixing the production line;
the pressing cylinder part is a power part, is installed and connected on the supporting flat plate, is used for providing power for the lifting motion of the upper pressing assembly, and comprises a pressing cylinder and a second fixing plate; the pressing cylinder is fixedly arranged on the supporting flat plate, and the joint end of the pressing cylinder is connected with the second fixing plate; the second sliding parts are two groups, provide guiding for the lifting motion of the upper pressing assembly, are symmetrically arranged on two sides of the pressing cylinder part and are connected with the supporting base and the lower pressing plate. And the lower pressing plate is connected to the second fixing plate and used for supporting the soft package battery.
Furthermore, the tab compressing assembly comprises a probe, a probe base plate, a thin cylinder and a cylinder mounting plate, wherein the probe is a functional component and is used for detecting the side voltage when contacting with a negative tab; the probe is connected with the thin cylinder through the probe base plate; the thin cylinder is installed and connected on a supporting plate of the bracket assembly through the cylinder installing plate;
the tab conduction mechanism comprises a compatible conduction mechanism and a tab base plate, and the tab base plate is arranged on one side of the second fixing plate, is adjacent to the compatible conduction mechanism and is used for supporting and protecting a tab of the soft package battery; compatible conduction mechanism sets up on the second fixed plate, with the holding down plate is adjacent, and with the utmost point ear compresses tightly the subassembly relatively for compatible different model laminate polymer battery.
Further, the lug protection compatible moving mechanism comprises a supporting slide rail base, a lifting cylinder part, a third sliding part and a lug supporting block, wherein the supporting slide rail base comprises a flat plate and a moving slide rail, and the flat plate is used for mounting and supporting the lifting cylinder part; the two groups of movable slide rails are arranged on the support flat plate and connected to the lower surface of the flat plate through fixing pieces; the lifting cylinder component is a power component, is installed and connected on the flat plate and is used for providing power for the lifting motion of the lug protection compatible moving mechanism; the lug supporting block is arranged on the third fixing plate and penetrates through the lower pressing plate to support and protect the lug of the soft package battery.
Further, the lifting cylinder part comprises a lifting cylinder and a third fixing plate; the lifting cylinder is fixedly arranged on the flat plate, and the joint end of the lifting cylinder is connected with the third fixing plate; the third sliding parts are two groups, provide guidance for the lifting movement of the lug protection compatible moving mechanism, are symmetrically arranged on two sides of the lifting cylinder part, and are connected with the supporting slide rail base and the third fixing plate.
Furthermore, the number of the pressure sensors is two, and the two pressure sensors are respectively a first pressure sensor, a second pressure sensor and a third pressure sensor, wherein the first pressure sensor is arranged between a pressing cylinder and a second fixing plate of the upper pressing assembly, namely, a joint end of the pressing cylinder is connected with the pressure sensors, the pressure sensors are connected with the second fixing plate, and a signal output end of the first pressure sensor is electrically connected with a signal input end of the controller and is used for controlling a pressure value between the lower pressing assembly and the upper pressing assembly; the second pressure sensor sets up between the lift cylinder and the third fixed plate of lift cylinder part, the joint end of lift cylinder with pressure sensor connects, second pressure sensor with the third fixed plate is connected, second pressure sensor's signal output part with the signal input part electricity of controller is connected for control utmost point ear protection compatible moving mechanism and laminate polymer battery between the pressure value.
Utilize soft-packaged battery limit voltage detection device carry out limit voltage measurement method, a serial communication port, including following step:
1) the soft package battery edge voltage detection device is fixed on a production line through a support assembly and a support base of an upper pressing assembly;
2) after soft-package batteries of different models are fed, a compatible conduction mechanism and a tab protection compatible moving mechanism of the edge voltage detection device of the soft-package battery are subjected to position adjustment according to the size of the fed soft-package battery, so that the size requirement of the actual soft-package battery model is met;
3) after the soft package battery is fed to the position, the air cylinder part of the pressing assembly starts to descend, the upper pressing plate slowly descends under the guide of the first sliding part, and when the lower pressing plate contacts the upper surface of the soft package battery, the soft package battery is pressed; at the moment, the lug pressing assembly presses downwards to be in contact with the lug on one side of the soft package battery, and meanwhile, the upward pressing assembly and the lug protection compatible moving mechanism move upwards to protect the lug on the other side of the soft package battery;
4) through air pressure control of the air cylinder and actual feedback of the pressure sensor, when the pressure sensor reaches the required pressure application magnitude of the testing side voltage of the soft package battery after the feedback value of the pressure sensor, side voltage detection is carried out through a probe, and whether the lithium battery meets the insulation requirement or not is judged according to the side voltage result;
5) after the edge voltage detection is finished, the pressing-down component rises, the edge voltage detection component falls, and the production line carries out NG elimination and transportation to the next procedure according to whether the edge voltage of the soft package battery is qualified or not.
The utility model has the advantages that: 1. the edge voltage detection device of the soft-package battery can replace different upper and lower pressing plate tools, is provided with a compatible moving mechanism, and can adapt to soft-package batteries with different specifications; 2. the pressure applied to the soft package battery can be controlled, the stress is uniform, the pressure environment required by different soft package batteries can be adapted, and secondary damage of an internal structure part of the soft package battery due to deformation caused by uneven stress can be avoided; 3. the whole side voltage detection device can realize full-automatic control, and the stability of a test environment and test data is ensured; 4. the side voltage test probe has large contact area and accurate test value.
Drawings
Fig. 1 is a structural diagram of the soft-package battery edge voltage detection device of the present invention;
fig. 2 is a front view of the side voltage detecting device;
fig. 3 is a left side view of the side voltage detecting device;
fig. 4 is a structural view of a hold-down assembly and a tab compression assembly of the apparatus;
FIG. 5 is a block diagram of the hold-down assembly of the device;
FIG. 6 is a front view of the hold-down assembly of the device;
fig. 7 is a block diagram of a tab compressing assembly of the device;
FIG. 8 is a block diagram of the upper press assembly of the apparatus;
FIG. 9 is a front view of the upper press assembly of the apparatus;
FIG. 10 is a left side view of the upper press assembly of the apparatus;
fig. 11 is a structural view of a tab protection compatible moving mechanism of the device;
fig. 12 is a front view of a tab protection compliant moving mechanism of the device.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
With reference to the accompanying drawings:
embodiment 1 a laminate polymer battery limit voltage detection device, include:
the top of the supporting unit 1 is provided with an installation platform, and the installation platform is provided with a first hollowed-out installation hole and a second hollowed-out installation hole which are used for installing a battery pressing unit and a lug pressing unit;
the battery pressing unit comprises a pressing component 2 and an upper pressing component 4, the pressing component comprises a pressing driving mechanism and an upper pressing plate 24, the pressing driving mechanism is embedded in the first hollowed-out mounting hole of the supporting unit in a sliding mode, and the force application end of the pressing driving mechanism is kept to stretch out of the hollowed-out mounting hole and fall below the mounting table and is used for applying pressure to the soft package battery; the upper pressing plate 24 is mounted at the force application end of the downward pressing driving mechanism and is used for contacting the upper surface of the body of the soft package battery so as to apply pressure to the soft package battery; the upper pressing assembly 4 comprises a supporting base 41, a pressing driving mechanism and a lower pressing plate 44, wherein the supporting base 41 is arranged below the lower pressing assembly 2 and is used for supporting the pressing driving mechanism; the pressing driving mechanism is arranged on the supporting base 41, the pressing end part of the pressing driving mechanism is slidably assembled with the lower pressing plate, the lower pressing plate 44 is kept parallel and opposite to the upper pressing plate 24, and a clamping area for accommodating a lithium battery is reserved between the lower pressing plate and the upper pressing plate;
the side voltage detection unit comprises a tab compression and conduction mechanism and a tab protection compatible moving mechanism 5, wherein the tab compression and conduction mechanism comprises a tab compression assembly 3 and a tab conduction mechanism, and the tab compression assembly 3 is embedded in the second hollowed-out mounting hole and used for pressing and compressing the tab of the soft-package battery; the lug conduction mechanism is arranged at the compression end part of the compression driving mechanism and is right opposite to the lug compression assembly 3, and is used for realizing the conduction between the lug of the soft package battery and the lug compression assembly 3 so as to carry out side voltage test on the lug; the tab protection compatible moving mechanism 5 is arranged between the supporting base 41 and the lower pressing plate 44 and comprises a horizontal moving part and a vertical lifting part, wherein the horizontal moving part is arranged on the supporting base of the upper pressing assembly in a sliding manner and is used for adjusting the horizontal position of the vertical lifting part so as to be compatible with different types of soft package batteries; the vertical lifting part is arranged on the horizontal moving part, and the lifting end of the vertical lifting part penetrates through the through hole of the lower pressing plate and is used for driving the lower pressing plate to horizontally move and simultaneously supporting the lug of the soft package battery;
the voltage test connecting end of the controller is electrically connected with the test connecting port of the lug pressing assembly and is used for carrying out side voltage test on the soft package battery; the pressure sensors are respectively arranged at the battery pressing unit and the lug protection compatible moving mechanism and are used for feeding back pressure values to the controller; and the signal output end of the controller is respectively and electrically connected with the battery pressing unit and the action control end of the lug protection compatible moving mechanism and is used for controlling the operation of the battery pressing unit and the lug protection compatible moving mechanism.
The supporting unit 1 comprises a supporting plate 11 and a plurality of supporting columns 12, the supporting plate serves as a mounting platform, the supporting plate is arranged in a side voltage detection area of a production line through a supporting column frame, a first hollowed-out mounting hole and a second hollowed-out mounting hole are formed in the supporting plate, and the first hollowed-out mounting hole is adjacent to the second hollowed-out mounting hole.
The pressing driving mechanism comprises a pressing cylinder part 21, a first sliding part 22 and a fixed part 23, wherein the pressing cylinder part 21 is a power part and is used for providing lifting power for the pressing assembly, and the pressing cylinder part is axially lifted along the first sliding part 22 which is vertically arranged through the sliding connection of the first sliding part 22 and the fixed part 23; the pressing end of the lower pressing cylinder part is fixedly connected with an upper pressing plate 24 and is used for pressing the surface of the soft package battery; the first sliding parts 22 are at least two groups and are symmetrically arranged at two sides of the cylinder part, the sliding parts of the first sliding parts are connected with the lower pressing cylinder part 21, and the guide parts of the first sliding parts are connected with the fixed part 23 and used for providing guide for the lifting motion of the lower pressing assembly 2; the fixing parts 23 correspond to the first sliding parts 22 one by one, the fixing parts 23 are embedded in the first hollow mounting holes of the support plate 11, and the fixing parts 23 are symmetrically arranged on the outer side of the first sliding parts 22 and used for supporting the pressing components.
The lower air cylinder part 21 comprises a lower air cylinder 211, a floating joint 212, a cushion block 213 and a first fixing plate 214, wherein the lower air cylinder is connected to the cushion block through the floating joint, the cushion block is connected to the first fixing plate, and the first fixing plate is connected with the upper pressing plate and keeps the upper pressing plate horizontal;
the guide part of the first sliding part 22 is a first sliding rail 221 which is vertically arranged, the sliding part comprises a first sliding block 222 and a sliding plate 223, and the first sliding part 22 is connected with the fixed part 23 through the first sliding rail 221; the sliding plate 223 of the first sliding component 22 is connected with the first fixing plate of the lower cylinder component 21 so as to achieve the connection between the first sliding component 22 and the lower cylinder component 21; the first slide rail 221 and the slide plate 223 are connected and matched through the first slide block 222, so that the lower air cylinder part 21 slides axially along the first slide rail 221 under the driving of the slide plate 223 to adjust the longitudinal position of the air cylinder part;
the fixing part 23 includes a fixing plate 231 and a reinforcing rib 232; the fixing plates 231 are respectively symmetrically arranged at the first hollow mounting holes of the support plate 11 and are fixedly connected with the lower surface of the support plate 11 through the reinforcing ribs 232, and the fixing plates 231 are positioned outside the first slide rails 221 and are connected with the corresponding first slide rails 221, so that the two sets of first sliding parts 22 are respectively symmetrically arranged at the first hollow mounting holes of the support plate 11; four groups of reinforcing ribs 232 are provided, and two groups of reinforcing ribs are a pair and are symmetrically arranged on the front side and the rear side of the fixing plate 231.
The supporting base 41 is used for supporting the upper pressing assembly and comprises a supporting flat plate 411 and supporting vertical plates 412, the supporting flat plate 411 is used for installing and supporting cylinder parts, and two groups of the supporting vertical plates 412 are symmetrically arranged on the lower surface of the supporting flat plate and used for directly fixing a production line;
the pressing cylinder part 42 is a power part, is installed and connected on the supporting plate 411, is used for providing power for the lifting motion of the pressing component, and comprises a pressing cylinder 421 and a second fixing plate 423; the pressing cylinder 421 is fixedly installed on the supporting plate 411, and a joint end of the pressing cylinder 421 is connected with the second fixing plate 423; the second sliding members 43 are provided in two sets to provide a guide for the lifting movement of the upper pressing member 4, symmetrically disposed on both sides of the pressing cylinder member 42, and connected to the supporting base 41 and the lower pressing plate 44. The lower pressing plate 44 is connected to the second fixing plate 423 for supporting the pouch battery.
The tab compressing assembly 3 comprises a probe 31, a probe backing plate 32, a thin cylinder 33 and a cylinder mounting plate 34, wherein the probe 31 is a functional component and is used for detecting the side voltage when contacting with a negative tab; the probe 31 is connected with the thin cylinder 33 through the probe backing plate 32; the thin cylinder 33 is mounted and connected on the support plate 11 of the bracket assembly 1 through the cylinder mounting plate 34;
the tab conducting mechanism comprises a compatible conducting mechanism 46 and a tab backing plate 45, wherein the tab backing plate 45 is arranged on one side of the second fixing plate 423, is adjacent to the compatible conducting mechanism 46 and is used for supporting and protecting a tab of a soft package battery; the compatible conduction mechanism 46 is arranged on the second fixing plate 423, is adjacent to the lower pressing plate 44, is opposite to the tab compression assembly 3, and is used for being compatible with different types of soft package batteries.
The horizontal moving part of the lug protection compatible moving mechanism 5 is a supporting slide rail base 51, the vertical lifting part comprises a lifting cylinder part 52, a third sliding part 53 and a lug supporting block 54, the supporting slide rail base comprises a flat plate 511 and a movable slide rail 512, and the flat plate is used for mounting and supporting the lifting cylinder part; two groups of movable slide rails 512 are arranged on the support flat plate 511 and connected to the lower surface of the flat plate 511 through fixing pieces; the lifting cylinder component 52 is a power component, is installed and connected on the flat plate 511, and is used for providing power for the lifting movement of the tab protection compatible moving mechanism 5; the tab supporting block 54 is disposed on the third fixing plate 53, and penetrates through the lower pressing plate 44 to support and protect the tab of the pouch battery.
The lifting cylinder part 52 comprises a lifting cylinder 521 and a third fixing plate 523; the lifting cylinder 521 is fixedly mounted on the flat plate 511, and the joint end of the lifting cylinder 521 is connected with the third fixing plate 523;
the third sliding parts 53 are provided with two groups, provide guidance for the lifting movement of the tab protection compatible moving mechanism, are symmetrically arranged on two sides of the lifting cylinder part 52, and are connected with the supporting slide rail base 51 and the third fixing plate.
Embodiment 2 the utility model discloses a soft-package battery edge voltage detection device, including bracket component 1, battery compressing unit, edge voltage detection unit and the control unit, wherein bracket component 1 is used for supporting battery compressing unit; the battery pressing unit comprises a lower pressing assembly 2 and an upper pressing assembly 4, the side voltage detection unit comprises a lug pressing and conducting mechanism and a lug protection compatible moving mechanism, and the lug pressing and conducting mechanism comprises a lug pressing assembly 3 and a lug conducting mechanism; the pressing component 2 is connected to the support component 1, is opposite to the pressing component 4, and is used for pressing and stabilizing the soft package battery body; the tab pressing assembly 3 is connected to the support assembly 1, is adjacent to the pressing assembly 2 and is used for pressing and pressing the tab of the soft package battery; the upper pressing component 4 is arranged below the lower pressing component 2, is opposite to the lower pressing component 2, and is used for detecting the side voltage of the lithium battery; the lug protection compatible moving mechanism 5 is adjacent to the upper pressing assembly 4 and is used for protecting the lug of the soft package battery and moving and being compatible with the soft package batteries of different models; the control unit comprises a controller and a plurality of pressure sensors, wherein a voltage test connecting end of the controller is electrically connected with a test connecting port of the lug pressing assembly and is used for carrying out side voltage test on the soft package battery; the pressure sensors are respectively arranged at the battery pressing unit and the lug protection compatible moving mechanism and are used for feeding back pressure values to the controller; and the signal output end of the controller is respectively and electrically connected with the battery pressing unit and the action control end of the lug protection compatible moving mechanism and is used for controlling the operation of the battery pressing unit and the lug protection compatible moving mechanism.
The support assembly 1 comprises a support plate 11 and four support columns 12, and is used for supporting the pressing assembly 2 and the tab pressing assembly 3; the supporting plate is provided with a first hollowed-out mounting hole and a second hollowed-out mounting hole, and the first hollowed-out mounting hole is adjacent to the second hollowed-out mounting hole; the lower pressing assembly 2 and the lug pressing assembly 3 are connected to a supporting plate 11 and are opposite to the upper pressing assembly 3; the number of the support columns 12 is four, the support columns are arranged at four corners of the support plate 11 and used for supporting the support plate 11, and the support columns 12 can be directly fixed on the production line.
The pressing assembly 2 comprises a pressing driving mechanism and an upper pressing plate 24, wherein the pressing driving mechanism comprises a pressing cylinder part 21, a first sliding part 22 and a fixing part 23, and the upper pressing plate 24. The lower pressure cylinder part 21 is a power part, provides lifting power for the lower pressure assembly 2, and is connected with the first sliding part 22 and the upper pressure plate 24; the cylinder part 21 includes a cylinder 211, a floating joint 212, a spacer 213, and a first fixing plate 214; the cylinder 211 is coupled to a spacer block 213 through a floating joint 212, the spacer block 213 is coupled to the first fixing plate 214, and the first fixing plate 214 is coupled to the upper press plate 24. The first sliding parts 22, two groups, provide guidance for the lifting movement of the pressing component 2, are symmetrically arranged on two sides of the cylinder part 21, and are connected with the cylinder part 21 and the fixing part 23. The fixed part 23 is used for supporting the pressing assembly 2, is connected with the first sliding part 22, and is symmetrically arranged on the outer side of the first sliding part 22; the upper press plate 24 is coupled to the first fixing plate 214 of the cylinder part 21 for contacting the upper surface of the body of the pouch battery.
The upper press plate 24 is an insulating plastic plate, such as a teflon plate, having a smooth surface without burrs.
The upper pressing assembly 4 comprises a supporting base 41, a pressing cylinder part 42, a second sliding part 43, a lower pressing plate 44, a tab backing plate 45 and a compatible conduction mechanism 46. The supporting base 41 is used for supporting the upper pressing component 4; the supporting base 41 comprises a supporting flat plate 411 and supporting vertical plates 412, the supporting flat plate 411 is used for installing and supporting the cylinder part 42, and two groups of the supporting vertical plates 412 are symmetrically arranged on the lower surface of the supporting flat plate 411 and can be directly fixed on a production line. The pressing cylinder part 42 is a power part, is installed and connected on the supporting plate 411, and is used for providing power for the lifting motion of the upper pressing assembly 4. The pressing cylinder part 42 includes a pressing cylinder 421 and a second fixing plate 423; the pressing cylinder 421 is fixedly installed on the supporting plate 411, and a joint end of the pressing cylinder 421 is connected with the second fixing plate 423. The second sliding members 43, which are provided in two groups, provide a guide for the lifting movement of the upper pressing assembly 4, are symmetrically disposed on two sides of the pressing cylinder member 42, and are connected to the supporting base 41 and the lower pressing plate 44. The lower pressing plate 44 is connected to the second fixing plate 423 for supporting the pouch battery.
The lower press plate 44 is an insulating plastic plate, such as teflon plate, having a smooth surface without burrs.
The tab compressing assembly 3 comprises a probe 31, a probe backing plate 32, a thin cylinder 33 and a cylinder mounting plate 34. The probe 31 is a functional component, a test connection port of the probe is electrically connected with a voltage test connection end of the controller through a wire, and a contact test end of the probe faces to the tab conduction mechanism and is used for detecting the edge voltage when the probe is in contact with a negative tab of the soft package battery; the probe 31 is connected to the thin cylinder 33 through the probe pad 32. The thin cylinder 33 is mounted on the support plate 11 of the bracket assembly 1 through the cylinder mounting plate 34.
The tab conducting mechanism comprises a compatible conducting mechanism 46 and a tab backing plate 45, wherein the tab backing plate 45 is arranged on one side of the second fixing plate 423 and is adjacent to the compatible conducting mechanism 46 for supporting and protecting the tab of the soft package battery. The compatible conduction mechanism 46 is arranged on the second fixing plate 423, is adjacent to the lower pressing plate 44, and is opposite to the tab compressing assembly 3; the compatible conduction mechanism 46 is used for being compatible with different types of soft package batteries.
The tab protection compatible moving mechanism 5 comprises a supporting slide rail base 51, a lifting cylinder part 52, a third sliding part 53 and a tab supporting block 54. The supporting slide rail base 51 is used for protecting the lug and compatible with the moving mechanism 5; the supporting slide rail base 51 comprises a flat plate 511 and two groups of moving slide rails 512, wherein the flat plate 511 is used for installing and supporting the lifting cylinder parts 52, and the two groups of moving slide rails 512 are installed on the supporting flat plate 411 and connected to the lower surface of the flat plate 411 through fixing parts. The lifting cylinder component 52 is a power component, is mounted and connected on the flat plate 511, and is used for providing power for the lifting movement of the tab protection compatible moving mechanism 5. The lifting cylinder part 52 comprises a lifting cylinder 521 and a third fixing plate 523; the lifting cylinder 521 is fixedly mounted on the flat plate 511, the joint end of the lifting cylinder 521 is connected with the pressure sensor 522, and the pressure sensor 522 is connected with the third fixing plate 523. The third sliding parts 53, two groups, provide guidance for the lifting movement of the tab protection compatible moving mechanism 5, are symmetrically disposed on both sides of the lifting cylinder part 52, and are connected to the supporting slide rail base 51 and the third fixing plate 523. The tab supporting block 54 is disposed on the third fixing plate 523, and penetrates through the lower pressing plate 44 to support and protect the tab of the soft package battery.
The lug protection compatible moving mechanism 5 further comprises a guide device, the guide device comprises a connecting rod 55 and a guide block 56, the guide block 56 is arranged on the production line, a guide groove is formed in the guide block 56, and the guide groove is axially arranged along the movable slide rail 512 and used for guiding the connecting rod 55 to slide; one end of the connecting rod is in sliding fit with the guide groove of the guide block, and the other end of the connecting rod is connected with the support slide rail base 51.
The number of the pressure sensors is two, and the two pressure sensors are respectively a first pressure sensor 422 and a second pressure sensor 522, wherein the first pressure sensor is arranged between a pressing cylinder and a second fixing plate of the upper pressing assembly, namely, a joint end of the pressing cylinder is connected with the pressure sensors, the pressure sensors are connected with the second fixing plate, and a signal output end of the first pressure sensor is electrically connected with a signal input end of the controller and is used for controlling a pressure value between the lower pressing assembly and the upper pressing assembly; the second pressure sensor sets up between the lift cylinder and the third fixed plate of lift cylinder part, the joint end of lift cylinder with pressure sensor connects, second pressure sensor with the third fixed plate is connected, second pressure sensor's signal output part with the signal input part electricity of controller is connected for control utmost point ear protection compatible moving mechanism and laminate polymer battery between the pressure value.
The control unit further comprises a photoelectric sensor, the photoelectric sensor is arranged on the lower pressing plate, and the signal output end of the photoelectric sensor is electrically connected or in signal connection with the signal input end of the controller and used for detecting the in-place condition of the soft package battery.
1) the soft-package battery edge voltage detection device is fixed on a production line through the support base 41 of the support assembly 1 and the upper pressing assembly 4;
2) after soft-package batteries of different models are fed, the compatible conduction mechanism 46 and the tab protection compatible moving mechanism 5 of the soft-package battery edge voltage detection device adjust the positions according to the size of the fed soft-package battery, so that the size requirement of the actual soft-package battery model is met;
3) after the feeding position of the soft package battery is detected by a photoelectric sensor, the cylinder part 21 of the pressing assembly 2 starts to descend, the upper pressing plate 24 slowly descends under the guidance of the first sliding part 22, and when the lower pressing plate 24 contacts the upper surface of the soft package battery, the soft package battery is pressed; at the moment, the lug pressing assembly 3 is pressed down to be in contact with the lug on one side of the soft package battery, and meanwhile, the upper pressing assembly 4 and the lug protection compatible moving mechanism 5 move upwards to protect the lug on the other side of the soft package battery;
4) through air pressure control of the air cylinder and actual feedback of the pressure sensor, when the pressure sensor reaches the required pressure application magnitude of the testing side voltage of the soft package battery after the feedback value of the pressure sensor, side voltage detection is carried out through a probe, and whether the lithium battery meets the insulation requirement or not is judged according to the side voltage result;
5) after the edge voltage detection is finished, the pressing component 2 rises, the edge voltage degree detection component 4 falls, and the production line carries out NG elimination and transportation to the next procedure according to whether the edge voltage of the soft package battery is qualified or not.
The embodiments described in this specification are merely illustrative of implementations of the inventive concepts, and the scope of the invention should not be considered limited to the specific forms set forth in the embodiments, but rather the scope of the invention includes equivalent technical means that can be conceived by those skilled in the art based on the inventive concepts.
Claims (9)
1. The utility model provides a laminate polymer battery limit voltage detection device which characterized in that includes:
the top of the supporting unit is provided with an installation platform, and the installation platform is provided with a first hollowed installation hole and a second hollowed installation hole which are used for installing a battery pressing unit and a lug pressing unit;
the battery pressing unit comprises a pressing component and an upper pressing component, the pressing component comprises a pressing driving mechanism and an upper pressing plate, the pressing driving mechanism is embedded in the first hollowed-out mounting hole of the supporting unit in a sliding mode, and the force application end of the pressing driving mechanism is kept to stretch out of the hollowed-out mounting hole and fall below the mounting table and is used for applying pressure to the soft package battery; the upper pressing plate is arranged at the force application end of the downward pressing driving mechanism and is used for contacting the upper surface of the body of the soft package battery so as to apply pressure to the soft package battery; the upper pressing assembly comprises a supporting base, a pressing cylinder component and a lower pressing plate, and the supporting base is arranged below the lower pressing assembly and used for supporting the pressing cylinder component; the pressing cylinder part is arranged on the supporting base, a lower pressing plate is slidably assembled at the pressing end part of the pressing cylinder part, the lower pressing plate and the upper pressing plate are kept in parallel and opposite, and a clamping area for accommodating a lithium battery is reserved between the lower pressing plate and the upper pressing plate;
the side voltage detection unit comprises a lug pressing and conducting mechanism and a lug protection compatible moving mechanism, wherein the lug pressing and conducting mechanism comprises a lug pressing assembly and a lug conducting mechanism, and the lug pressing assembly is embedded in the second hollowed-out mounting hole and used for pressing and compacting the lug of the soft-package battery; the lug conduction mechanism is arranged at the compression end part of the compression cylinder part and is right opposite to the lug compression assembly, and is used for realizing the conduction between the lug of the soft package battery and the lug compression assembly so as to carry out side voltage test on the lug of the soft package battery; the lug protection compatible moving mechanism is arranged between the supporting base and the lower pressing plate and comprises a horizontal moving part and a vertical lifting part, wherein the horizontal moving part is arranged on the supporting base of the upper pressing assembly in a sliding mode and is used for adjusting the horizontal position of the vertical lifting part to be compatible with different types of soft package batteries; the vertical lifting part is arranged on the horizontal moving part, and the lifting end of the vertical lifting part penetrates through the through hole of the lower pressing plate and is used for driving the lower pressing plate to horizontally move and simultaneously supporting the lug of the soft package battery;
the voltage test connecting end of the controller is electrically connected with the test connecting port of the lug pressing assembly and is used for carrying out side voltage test on the soft package battery; the pressure sensors are respectively arranged at the battery pressing unit and the lug protection compatible moving mechanism and are used for feeding back pressure values to the controller; and the signal output end of the controller is respectively and electrically connected with the battery pressing unit and the action control end of the lug protection compatible moving mechanism and is used for controlling the operation of the battery pressing unit and the lug protection compatible moving mechanism.
2. The edge voltage detection device of the soft package battery according to claim 1, characterized in that: the supporting unit comprises a supporting plate and a plurality of supporting columns, the supporting plate serves as a mounting platform and is arranged in a side voltage detection area of a production line through a supporting column frame, a first hollowed-out mounting hole and a second hollowed-out mounting hole are formed in the supporting plate, and the first hollowed-out mounting hole is adjacent to the second hollowed-out mounting hole.
3. The edge voltage detection device of the soft package battery according to claim 1, characterized in that: the downward pressing driving mechanism comprises a downward pressing cylinder component, a first sliding component and a fixed component, wherein the downward pressing cylinder component is a power component and provides lifting power for the downward pressing assembly, and the downward pressing cylinder component is in sliding connection with the fixed component through the first sliding component so as to lift along the axial direction of the first sliding component; the pressing end of the lower pressing cylinder part is fixedly connected with an upper pressing plate and is used for pressing the surface of the soft package battery; the first sliding parts are at least two groups and are symmetrically arranged at two sides of the cylinder part, the sliding parts of the first sliding parts are connected with the cylinder part, and the guide parts of the first sliding parts are connected with the fixed part and used for providing guide for the lifting motion of the pressing assembly; the fixing parts correspond to the first sliding parts one to one, the fixing parts are embedded in the first hollow-out mounting holes of the supporting plate, and the fixing parts are symmetrically arranged on the outer side of the first sliding parts and used for supporting the pressing assemblies.
4. The edge voltage detection device of the soft package battery according to claim 3, characterized in that: the lower air cylinder component comprises a lower air cylinder, a floating joint, a cushion block and a first fixing plate, the lower air cylinder is connected to the cushion block through the floating joint, the cushion block is connected to the first fixing plate, and the first fixing plate is connected with the upper pressing plate and keeps the upper pressing plate horizontal;
the guide part of the first sliding part is a first sliding rail which is vertically arranged, the sliding part comprises a first sliding block and a sliding plate, and the first sliding part is connected with the fixed part through the first sliding rail; the sliding plate of the first sliding component is connected with the first fixing plate of the cylinder component so as to achieve the connection between the first sliding component and the downward-pressing cylinder component; the first sliding rail is connected and matched with the sliding plate through the first sliding block, so that the lower air cylinder part slides axially along the first sliding rail under the driving of the sliding plate to adjust the longitudinal position of the air cylinder part;
the fixing part comprises a fixing plate and reinforcing ribs; the fixed plates are respectively and symmetrically arranged at the first hollowed-out mounting holes of the supporting plate and are fixedly connected with the lower surface of the supporting plate through reinforcing ribs, and the fixed plates are positioned on the outer sides of the first slide rails and are connected with the corresponding first slide rails, so that the two sets of first sliding parts are respectively and symmetrically arranged at the first hollowed-out mounting holes of the supporting plate; four groups of reinforcing ribs are provided, and two groups of reinforcing ribs are a pair and are symmetrically arranged on the front side and the rear side of the fixing plate.
5. The edge voltage detection device of the soft package battery according to claim 1, characterized in that: the supporting base is used for supporting the upper pressing assembly and comprises a supporting flat plate and two groups of supporting vertical plates, the supporting flat plate is used for installing and supporting the cylinder part, and the two groups of supporting vertical plates are symmetrically arranged on the lower surface of the supporting flat plate and are used for directly fixing a production line;
the pressing cylinder part is a power part, is installed and connected on the supporting flat plate, is used for providing power for the lifting motion of the upper pressing assembly, and comprises a pressing cylinder and a second fixing plate; the pressing cylinder is fixedly arranged on the supporting flat plate, and the joint end of the pressing cylinder is connected with the second fixing plate; two groups of second sliding components are arranged, provide guidance for the lifting motion of the upper pressing component, are symmetrically arranged on two sides of the pressing cylinder component and are connected with the supporting base and the lower pressing plate; and the lower pressing plate is connected to the second fixing plate and used for supporting the soft package battery.
6. The edge voltage detection device of the soft package battery according to claim 5, characterized in that: the tab compressing assembly comprises a probe, a probe base plate, a thin cylinder and a cylinder mounting plate, wherein the probe is a functional component and is used for detecting the side voltage when contacting with a negative tab; the probe is connected with the thin cylinder through the probe base plate; the thin cylinder is installed and connected on a supporting plate of the supporting unit through the cylinder installing plate;
the tab conduction mechanism comprises a compatible conduction mechanism and a tab base plate, and the tab base plate is arranged on one side of the second fixing plate, is adjacent to the compatible conduction mechanism and is used for supporting and protecting a tab of the soft package battery; compatible conduction mechanism sets up on the second fixed plate, with the holding down plate is adjacent, and with the utmost point ear compresses tightly the subassembly relatively for compatible different model laminate polymer battery.
7. The edge voltage detection device of the soft package battery according to claim 1, characterized in that: the horizontal moving part of the lug protection compatible moving mechanism is a supporting slide rail base, the vertical lifting part comprises a lifting cylinder part, a third sliding part and a lug supporting block, the supporting slide rail base comprises a flat plate and a moving slide rail, and the flat plate is used for mounting and supporting the lifting cylinder part; the two groups of movable slide rails are arranged on the support flat plate and connected to the lower surface of the flat plate through fixing pieces; the lifting cylinder component is a power component, is installed and connected on the flat plate and is used for providing power for the lifting motion of the lug protection compatible moving mechanism; the lug supporting block is arranged on the third fixing plate and penetrates through the lower pressing plate to support and protect the lug of the soft package battery.
8. The edge voltage detection device of the soft package battery according to claim 7, characterized in that: the lifting cylinder part comprises a lifting cylinder and a third fixing plate; the lifting cylinder is fixedly arranged on the flat plate, and the joint end of the lifting cylinder is connected with the third fixing plate; the third sliding parts are two groups, provide guidance for the lifting movement of the lug protection compatible moving mechanism, are symmetrically arranged on two sides of the lifting cylinder part, and are connected with the supporting slide rail base and the third fixing plate.
9. The edge voltage detection device of the soft package battery according to claim 7, characterized in that: the pressure sensors are two in number and are respectively a first pressure sensor and a second pressure sensor, wherein the first pressure sensor is arranged between a pressing cylinder and a second fixing plate of the upper pressing assembly, namely, a joint end of the pressing cylinder is connected with the pressure sensors, the pressure sensors are connected with the second fixing plate, and a signal output end of the first pressure sensor is electrically connected with a signal input end of the controller and used for controlling a pressure value between the lower pressing assembly and the upper pressing assembly; the second pressure sensor sets up between the lift cylinder and the third fixed plate of lift cylinder part, the joint end of lift cylinder with pressure sensor connects, second pressure sensor with the third fixed plate is connected, second pressure sensor's signal output part with the signal input part electricity of controller is connected for control utmost point ear protection compatible moving mechanism and laminate polymer battery between the pressure value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021978417.2U CN214041677U (en) | 2020-09-10 | 2020-09-10 | Soft-package battery edge voltage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021978417.2U CN214041677U (en) | 2020-09-10 | 2020-09-10 | Soft-package battery edge voltage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214041677U true CN214041677U (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021978417.2U Active CN214041677U (en) | 2020-09-10 | 2020-09-10 | Soft-package battery edge voltage detection device |
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| Country | Link |
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| CN (1) | CN214041677U (en) |
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