CN209744850U - special tool of vacuum drying lithium cell - Google Patents
special tool of vacuum drying lithium cell Download PDFInfo
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- CN209744850U CN209744850U CN201821936331.6U CN201821936331U CN209744850U CN 209744850 U CN209744850 U CN 209744850U CN 201821936331 U CN201821936331 U CN 201821936331U CN 209744850 U CN209744850 U CN 209744850U
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Abstract
A special jig for vacuum drying of a lithium battery comprises a frame body, a heating plate guide assembly and a support frame, wherein the support frame is provided with a concave cavity for placing the battery; the heating plate guide assembly is arranged in the concave cavity and guides the heating device to slide along the axial direction of the supporting frame; the heating device is arranged in the concave cavity and is in sliding connection with the supporting frame of the frame body through the heating plate guide assembly, the heating device is provided with a plurality of battery heating grids for accommodating and clamping batteries and heating the batteries and an interval adjusting assembly, and the battery heating grids are connected through the interval adjusting assembly to realize linkage adjustment of intervals among the battery heating grids; the heating device pushing device comprises a transmission screw rod component and a pushing component; and the control device comprises a power supply PCB, a heating PCB and a position sensor. The utility model has the advantages that: the heating uniformity is good, the heat conduction is reduced, and the temperature of the heating plate is more uniform and stable.
Description
Technical Field
the utility model relates to a special tool of vacuum drying lithium cell.
Background
With the gradual depletion of conventional energy resources and a series of environmental problems caused by the large utilization of fossil energy, the rapid development of electronic products and the vast development space of the lithium battery industry are achieved. At present, a large number of lithium ion batteries are applied to mobile phones, notebook computers, electric tools, street lamp standby power supplies, navigation lamps and small household appliances, and developed high-capacity lithium batteries are tried in electric automobiles, are expected to become one of main power sources of the electric automobiles in the 21 st century, and are applied to artificial satellites, aerospace and energy storage. With the shortage of energy sources and the pressure in the environmental protection aspect of the world, lithium batteries are widely applied to the electric vehicle industry at present, and particularly, the development and application of the lithium battery industry are promoted due to the appearance of lithium iron phosphate material batteries. Therefore, the requirement on the production quality of the lithium battery is higher and higher at present, the drying process of the lithium battery is an indelible part in the production process of the lithium battery, and how to improve the drying quality of the lithium battery is a topic worthy of research.
at present, the drying modes of the lithium battery mainly include thermal radiation heating, hot air heating and contact heating, compared with the thermal radiation heating and the hot air heating, the heating uniformity of the contact heating is good, the baking period is short, the energy consumption is low, and the drying method becomes the mainstream drying process of the lithium battery industry at present. Traditional lithium battery contact heating is gone on in the air, and the heating board heat radiation is serious in the air, leads to temperature homogeneity not high, and same hot side temperature difference exceeds 5 degrees centigrade, leads to the battery drying effect difference great, and the quality can't guarantee.
Disclosure of Invention
An object of the utility model is to provide a special tool of contact vacuum drying lithium cell, the temperature homogeneity and the reliability of assurance hot plate that can furthest to can adapt to the drying process of the lithium cell of different thickness.
In order to solve the above problem, the technical scheme of the utility model is as follows:
A special tool of vacuum drying lithium cell, its characterized in that: comprises that
The frame body comprises a supporting frame and a heating plate guide assembly, wherein a concave cavity for placing a battery is formed in the supporting frame; the heating plate guide assembly is arranged in the concave cavity and used for installing the heating device and guiding the heating device to slide along the axial direction of the supporting frame;
The heating device is arranged in the concave cavity and is in sliding connection with the supporting frame of the frame body through the heating plate guide assembly, the heating device is provided with a plurality of battery heating grids used for accommodating and clamping batteries and heating the batteries and a distance adjusting assembly used for adjusting the axial width of the battery heating grids along the frame body, and the battery heating grids are connected through the distance adjusting assembly to realize linkage adjustment of the distance between the battery heating grids;
The heating device pushing device comprises a transmission screw rod component and a pushing component, wherein the transmission screw rod component is embedded at one end part of the support frame of the frame body and is rotationally connected with the support frame of the frame body; the outer end of a transmission screw rod in the transmission screw rod component is provided with a connecting part which is directly applied with force or an external driving device, the inner end of the transmission screw rod extends into the cavity and then is assembled with a pushing component which can axially reciprocate along the transmission screw rod, and the pushing surface of the pushing component is fixedly connected with the axial end part of the heating device at the same side and is used for pushing the heating device to axially slide along the heating plate guide component so as to adjust the width of the battery heating block;
The control device comprises a power supply PCB, a heating signal PCB and a position sensor, wherein the power supply PCB and the heating signal PCB are both arranged at the bottom of the support frame, a plurality of contact blocks used for being in contact with the outer-layer probes are arranged on the outer end faces of the power supply PCB and the heating signal PCB, the signal input ends of the power supply PCB and the heating signal PCB are respectively in contact connection with the contact blocks through cardboard connectors, and the power supply PCB is provided with a plurality of power supply ends used for being electrically connected with the power transmission end of the heating device and used for supplying power to the heating device; the heating signal PCB is provided with a plurality of signal output ends which are electrically connected with the control end of the heating device and used for controlling the heating device to heat the battery clamped in the battery heating block; the position sensor is arranged on the side surface of the heating device pushing device, and the signal output end of the position sensor is electrically connected with the signal input and output end of the power supply PCB and used for detecting whether the battery in the battery heating block is in place or not.
the supporting frame comprises a bottom plate, a front supporting plate and a rear supporting plate, wherein the front supporting plate and the rear supporting plate are respectively arranged at the left end part and the right end part which are opposite to the bottom plate, and the front supporting plate and the rear supporting plate are arranged oppositely and are vertical to the bottom plate and jointly enclose a cavity for placing a battery with the bottom plate.
The heating plate guide assembly comprises a plurality of support plate connecting optical shafts, battery side heating plate connecting blocks sleeved on the support plate connecting optical shafts, a guide shaft sleeve used for heat insulation, a chain used for the maximum axial distance between two adjacent battery side heating plate connecting blocks and a chain fixing block used for fixing the chain, the support plate connecting optical shafts are divided into two groups which are respectively arranged at the front side and the rear side of the bottom plate, the support plate connecting optical shafts are kept to be arranged along the axial direction of the bottom plate, and two ends of the support plate connecting optical shafts are respectively connected with the opposite end parts of the front support plate and the rear support plate; a guide shaft sleeve which is sleeved on a connecting optical axis of the supporting plate and is used for heat insulation is assembled at a central through hole of the connecting block of the heating plate on the side surface of the battery, and a chain fixing block for fixing a chain is arranged on the outer side surface of the guide shaft sleeve; every backup pad is connected and is cup jointed a plurality of battery side hot plate connecting block on the optical axis to keep battery side hot plate connecting block and backup pad to be connected optical axis sliding connection, connect epaxial battery side hot plate connecting block through same root chain interconnect with same root backup pad, be used for limiting the axial maximum distance between the battery side hot plate connecting block.
The heating device comprises a plurality of heating plates, heat insulation plates, battery bottom surface supporting plates and battery limiting blocks, wherein the heating plates are arranged in parallel relatively, two end parts of each heating plate are fixedly connected with battery side surface heating plate connecting blocks sleeved on two groups of supporting plate connecting optical axes respectively, so that the sliding connection between the heating plates and the supporting plate connecting optical axes is realized, and a gap serving as a battery heating block is reserved between two adjacent heating plates and is used for placing and clamping batteries to heat the batteries; a battery bottom surface supporting plate used for supporting the battery bottom surface is fixedly arranged at the bottom of the battery heating block; the outer end faces of the two heating plates at the end parts are fixedly provided with heat insulation plates for preventing the heat of the heating plates from being transferred to the supporting frame so as to ensure the stability of the temperature; the battery limiting block is arranged on a battery bottom supporting plate located below the battery heating block and used for limiting the position of the battery in the battery heating block.
The transmission screw rod assembly comprises a transmission screw rod, a screw rod support seat assembly, a dustproof cover mounting seat, a dustproof cover and a lining, and the screw rod support seat assembly is embedded in the front support plate; a bushing capable of rotating around a central axis of the bushing is coaxially arranged in the inner cavity of the dustproof cover mounting seat, one end of the bushing is connected with the front support plate, the other end of the bushing is provided with a dustproof powder cover, and the dustproof cover mounting seat, the bushing and the dustproof powder cover at the end part together enclose a dustproof cavity; one end of the transmission screw rod is rotatably connected with the front supporting plate, and the other end of the transmission screw rod extends into the dustproof cavity and then is in threaded connection with the nut assembly of the pushing assembly, so that the pushing assembly can axially reciprocate along the transmission screw rod.
The pushing assembly comprises a heating plate pushing plate, a mounting plate and a nut assembly, the pushing surface of the heating plate pushing plate is mounted on the outer end surface of the heating plate close to one side of the front support plate, and a heat insulation plate is clamped between the pushing surface of the heating plate pushing plate and the outer end surface of the heating plate close to one side of the front support plate; the outer end face of the heating plate push plate is fixedly provided with a mounting plate which is fixedly arranged on the outer end face of the dust-proof cover; the nut component is arranged in the dust-proof cavity, an inner threaded hole of the nut component is in threaded connection with an outer thread of the transmission screw rod, and an outer wall of the nut component is fixedly connected with the lining, so that the heating plate push plate can linearly reciprocate along the axial direction of the transmission screw rod under the pushing of the transmission screw rod.
The limiting rod is additionally arranged between the mounting plate and the front support plate, wherein one end of the limiting rod is fixedly connected with the mounting plate and used for limiting the limit movement distance of the mounting plate of the push plate assembly to the front support plate of the jig, namely the minimum distance between the mounting plate and the front support plate.
hard board insulation parting strips are arranged at the edges of the power supply PCB and the heating signal PCB and are used for realizing insulation between the plate body and the supporting frame; the contact block is made of red copper and serves as an electrified joint of the jig.
The heating plate and the battery bottom supporting plate are made of aluminum materials, high-temperature cloth is attached to the surface of the heating plate, a temperature sensor is further arranged on the plate body, and the signal output end of the temperature sensor is connected with the signal input end of the heating signal PCB in a signal mode and used for detecting whether the battery side heating plate is in a normal working state or not.
The utility model has the advantages that: this vacuum drying oven tool is owing to adopted above-mentioned technique, carries out the side and heats in step with the bottom to the battery for the heating homogeneity of lithium cell is better. And when the vacuum reduces heat radiation, adopt insulating material to the tool hot plate and reduced heat-conduction again, make the hot plate temperature more even and stable, under constant temperature, vacuum state, make the moisture rapid gasification in the electric core spill over, both reduced the energy consume, can guarantee the drying effect of lithium cell again.
Drawings
fig. 1 is an isometric view of the special vacuum drying jig for lithium batteries according to the present invention;
Fig. 2 is a top view structural diagram of the vacuum drying lithium battery special fixture of the present invention;
Fig. 3 is a front view structural diagram of the vacuum lithium battery drying jig of the present invention;
Fig. 4 is a bottom view of the vacuum lithium battery drying jig of the present invention;
FIG. 5 is a front view of the heating plate of the present invention;
Fig. 6 is a bottom view of the heating plate of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings
With reference to the accompanying drawings:
Embodiment 1 a special tool of vacuum drying lithium cell, include
The frame body 1 comprises a support frame 11 and a heating plate guide assembly 12, wherein a concave cavity for placing a battery is formed in the support frame 11; the heating plate guide assembly 12 is arranged in the concave cavity and used for installing the heating device and guiding the heating device 2 to slide along the axial direction of the supporting frame 11;
the heating device 2 is arranged in the concave cavity, the heating device 2 is in sliding connection with the supporting frame 11 of the frame body through the heating plate guide assembly 12, the heating device 2 is provided with a plurality of battery heating grids 21 used for accommodating and clamping the batteries 5 and heating the batteries and a spacing adjusting assembly 22 used for adjusting the axial width of the battery heating grids along the frame body, the battery heating grids 21 are connected through the spacing adjusting assembly 22, and linkage adjustment of the spacing between the battery heating grids 21 is achieved;
The heating device pushing device 3 comprises a transmission screw rod assembly 31 and a pushing assembly 32, wherein the transmission screw rod assembly 31 is embedded at one end part of the frame body supporting frame 11 and is in rotary connection with the frame body supporting frame 11; the outer end of the driving screw rod in the driving screw rod assembly 31 is provided with a connecting part which is directly applied with force or is connected with an external driving device, the inner end of the driving screw rod extends into the cavity and then is assembled with a pushing assembly 32 which can axially reciprocate along the driving screw rod, and the pushing surface of the pushing assembly 32 is fixedly connected with the axial end part of the heating device 2 at the same side and is used for pushing the heating device 2 to axially slide along the heating plate guide assembly 12 so as to adjust the width of the battery heating grid 21;
the control device 4 comprises a power supply PCB 41, a heating signal PCB 42 and a position sensor 43, wherein the power supply PCB 41 and the heating signal PCB 42 are both arranged at the bottom of the supporting frame 11, a plurality of contact blocks 43 used for being in contact with the outer-layer probes are arranged on the outer end faces of the power supply PCB 41 and the heating signal PCB 42, the signal input ends of the power supply PCB 41 and the heating signal PCB 42 are respectively in contact connection with the contact blocks 43 through cardboard connectors, and the power supply PCB 42 is provided with a plurality of power supply ends used for being electrically connected with the power transmission end of the heating device 2 and used for supplying power to the heating device; the heating signal PCB 42 is provided with a plurality of signal output ends which are electrically connected with the control end of the heating device and used for controlling the heating device to heat the battery 5 clamped in the battery heating grid 21; the position sensor 43 is disposed on the side of the heating device pushing device 2, and the signal output terminal of the position sensor 43 is electrically connected to the signal input/output of the power supply PCB 42 for detecting whether the battery in the battery heating compartment 21 is in place.
the support frame 11 includes a bottom plate 111, a front support plate 112 and a rear support plate 113, the front support plate 112 and the rear support plate 113 are respectively installed at the left and right ends of the bottom plate 111, and the front support plate 112 and the rear support plate 113 are maintained to be arranged oppositely and to be perpendicular to the bottom plate, and together with the bottom plate 111, a cavity for placing a battery is enclosed.
the heating plate guide assembly 12 comprises a plurality of support plate connecting optical axes 121, battery side heating plate connecting blocks 122 sleeved on the support plate connecting optical axes, a guide shaft sleeve 123 for heat insulation, a chain 124 for the maximum axial distance between two adjacent battery side heating plate connecting blocks and a chain fixing block 125 for fixing the chain, the support plate connecting optical axes 121 are divided into two groups which are respectively arranged at the front side and the rear side of the bottom plate 111 and keep the support plate connecting optical axes 121 axially arranged along the bottom plate 111, and two ends of the support plate connecting optical axes 121 are respectively connected with the opposite end parts of the front support plate 1 and the rear support plate; a guide shaft sleeve 123 which is sleeved on a connecting optical axis of the supporting plate and is used for heat insulation is assembled at a central through hole of the battery side heating plate connecting block 122, and a chain fixing block 125 for fixing a chain 124 is arranged on the outer side surface; each support plate is connected with a plurality of battery side heating plate connecting blocks 122 which are sleeved on the optical axis 121, the battery side heating plate connecting blocks 122 are kept to be connected with the support plates in a sliding mode, and the battery side heating plate connecting blocks 122 on the optical axis 121 are connected with the same support plate and are connected with each other through the same chain 124, so that the axial maximum distance between the battery side heating plate connecting blocks 122 is limited.
The heating device 2 comprises a plurality of heating plates 21, heat insulation plates 22, battery bottom surface supporting plates 23 and battery limiting blocks, the heating plates 21 are arranged in parallel relatively, two end parts of each heating plate 21 are fixedly connected with battery side surface heating plate connecting blocks 122 sleeved on two groups of supporting plate connecting optical shafts 121 respectively, sliding connection between the heating plates 21 and the supporting plate connecting optical shafts 121 is realized, and a gap serving as a battery heating grid 21 is reserved between every two adjacent heating plates 21 and used for placing and clamping the battery 5 to heat the battery; a battery bottom support plate 23 which is used for supporting the bottom surface of the battery is fixedly arranged at the bottom of the battery heating block 21; the outer end faces of the two heating plates at the end parts are fixedly provided with heat insulation plates 22 for preventing the heat of the heating plates 21 from being transferred to the supporting frame so as to ensure the stability of the temperature; the battery stopper is mounted on a battery bottom support plate 23 located below the battery heating compartment 21 for limiting the position of the battery in the battery heating compartment 21.
The transmission screw rod assembly 31 comprises a transmission screw rod 311, a screw rod supporting seat assembly 312, a dustproof cover mounting seat 313, a dustproof cover 314 and a lining, wherein the screw rod supporting seat assembly 312 is embedded on the front supporting plate 112; a bushing capable of rotating around the central axis of the bushing is coaxially arranged in the inner cavity of the dustproof cover mounting seat 313, one end of the bushing is connected with the front support plate, the other end of the bushing is provided with a dustproof powder cover 314, and the dustproof powder cover at the end, the bushing and the dustproof powder cover at the joint dustproof cover mounting seat form a dustproof cavity; one end of the transmission screw rod 311 is rotatably connected with the front support plate, and the other end of the transmission screw rod extends into the dust-proof cavity and then is in threaded connection with the nut component of the pushing component 32, so that the pushing component 32 can axially reciprocate along the transmission screw rod 311.
The pushing assembly 32 comprises a heating plate pushing plate 321, a mounting plate 322 and a nut assembly, the pushing surface of the heating plate pushing plate 321 is mounted on the outer end surface of the heating plate 21 close to one side of the front support plate 112, and a heat insulation plate is clamped between the two; the outer end face of the heating plate push plate 321 is fixedly provided with a mounting plate 322, and the mounting plate 322 is fixedly arranged on the outer end face of the dust-proof cover 314; the nut component is arranged in the dust-proof cavity, an internal thread hole of the nut component is in threaded connection with an external thread of the transmission screw rod 311, and an outer wall of the nut component is fixedly connected with the lining, so that the heating plate push plate 321 can linearly reciprocate along the axial direction of the transmission screw rod under the pushing of the transmission screw rod 311.
A limiting rod 323 is additionally arranged between the mounting plate 322 and the front support plate 112, wherein one end of the limiting rod 323 is fixedly connected with the mounting plate 322, and is used for limiting the limit movement distance of the mounting plate 322 of the push plate assembly 32 to the front support plate 112 direction of the jig, that is, the minimum distance between the mounting plate 322 and the front support plate 112.
The edges of the power supply PCB 41 and the heating signal PCB 42 are provided with hard board insulation parting strips 43 for realizing insulation between the board body and the supporting frame 11; the contact block 43 is made of red copper and serves as an electric connector of the jig.
heating plate 21, battery bottom surface backup pad 23 are the aluminum product and make, and the hot plate surface subsides cover high temperature cloth, still are equipped with temperature sensor 211 on the plate body, wherein temperature sensor's signal output part with the signal input part signal connection of heating signal PCB board for whether the detection battery side hot plate is in normal operating condition.
Embodiment 2 a special tool of vacuum drying lithium cell in: the heating device, the heating device pushing device and the control device are all arranged on the frame body of the jig, and the placing, clamping, drying, taking out and other works of the battery are completed through mutual cooperation.
The heating device is not in direct contact with the frame body of the jig, the heat insulation plastic is installed at the indirect contact position, heat can be effectively prevented from being dissipated by the heating plate in a vacuum condition in a heat conduction mode, and therefore the temperature uniformity and stability of the heating plate are effectively guaranteed.
the transmission screw rod is a trapezoidal screw rod, and the installation part is T-shaped, so that force application is facilitated.
the front supporting plate of the frame body is provided with a dustproof cover mounting seat, the dustproof cover mounting seat is sleeved on the part of the trapezoidal screw rod, which is positioned in the concave cavity, and the end part dustproof cover is also provided with a sealing ring, so that the dustproof cover mounting seat is mainly used for preventing dust generated in the movement process of the trapezoidal screw rod from entering a battery drying area and influencing the production quality of a battery.
The heating plate is arranged in the heating plate guide assembly, the connecting blocks of the heating plate on the side face of the battery are connected by chains instead of conventional metal plates, the maximum distance for the heating plate to move is controlled by the pitch of the chains, and the moving distance of the heating plate can be effectively controlled.
Each heating plate is connected with a power supply, and a temperature collector is also arranged, so that the working temperature of the heating plate can be known timely and accurately;
The heating plate is made of aluminum materials, high-temperature cloth is attached to the heating surface, and the heating plate has good heat conduction performance, does not stick to a battery core, and avoids crumpling, damage and pollution in the battery clamping, moving and drying processes.
The end surfaces of the front end and the rear end of the heating device are respectively provided with a heat insulation plate, so that the heat insulation and the insulativity between the heating plate and the battery arrangement assembly and between the heating plate and the frame body are ensured; the bottom face supporting plate of the battery is also made of aluminum materials, is in direct contact with the heating plate and is fixedly connected with the heating plate through bolts, and has a heating effect on the bottom of the battery, so that the drying effect of the battery is better.
Example 3 as shown in fig. 1 to 6, the support frame is provided with: the bottom plate plays and supports the installation effect, and preceding backup pad is installed with the bottom plate is perpendicular with back backup pad for the optical axis is connected to the backup pad around the installation, and carries out an axial spacingly to the hot plate that heats to the battery side. The heating signal PCB and the power supply PCB are arranged on the bottom plate to provide power and feedback signals for the normal work of the jig.
As shown in fig. 1 to 6, in the heating plate guide assembly: the backup pad is connected the optical axis and is played the effect of supporting battery side hot plate connecting block, and restriction battery side hot plate connecting block can only follow optical axis axial direction motion. The guide shaft sleeve plays a role in heat insulation, and the chain plays a role in limiting the axial displacement of the connecting blocks of the heating plates on the side faces of the batteries, so that the overlarge distance between the connecting blocks is prevented.
As shown in fig. 1 to 6, the heating device comprises: the heating plate is made of 6061 aluminum, the surface of the heating plate is pasted with high-temperature cloth, and meanwhile, the plate is also provided with a temperature acquisition device which is connected with a heating signal PCB (printed Circuit Board) for feeding back a signal and is used for detecting whether the heating plate on the side surface of the battery is in a normal working state; the heat insulating board is used for insulating heat, prevents that the heat conduction of hot plate from to hot plate push pedal subassembly.
As shown in fig. 1-6, in the push plate assembly: the limiting rod is used for limiting the limit movement distance of the heating plate push plate assembly towards the direction of the front supporting plate of the jig, and the heating plate push plate and the screw nut move synchronously so as to push the heating plate to move axially.
as shown in fig. 1 to 6, the control device includes: the heating signal PCB board is used for controlling the heating plate to heat the side face of the battery, the power supply PCB board is used for supplying power to the heating plate, and the contact block is used for being in contact with the outer-layer probe so as to transmit current and signals.
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 special tool of vacuum drying lithium cell which characterized in that: comprises that
The frame body comprises a supporting frame and a heating plate guide assembly, wherein a concave cavity for placing a battery is formed in the supporting frame; the heating plate guide assembly is arranged in the concave cavity and used for installing the heating device and guiding the heating device to slide along the axial direction of the supporting frame;
The heating device is arranged in the concave cavity and is in sliding connection with the supporting frame of the frame body through the heating plate guide assembly, the heating device is provided with a plurality of battery heating grids used for accommodating and clamping batteries and heating the batteries and a distance adjusting assembly used for adjusting the axial width of the battery heating grids along the frame body, and the battery heating grids are connected through the distance adjusting assembly to realize linkage adjustment of the distance between the battery heating grids;
The heating device pushing device comprises a transmission screw rod component and a pushing component, wherein the transmission screw rod component is embedded at one end part of the support frame of the frame body and is rotationally connected with the support frame of the frame body; the outer end of a transmission screw rod in the transmission screw rod component is provided with a connecting part which is directly applied with force or an external driving device, the inner end of the transmission screw rod extends into the cavity and then is assembled with a pushing component which can axially reciprocate along the transmission screw rod, and the pushing surface of the pushing component is fixedly connected with the axial end part of the heating device at the same side and is used for pushing the heating device to axially slide along the heating plate guide component so as to adjust the width of the battery heating block;
The control device comprises a power supply PCB, a heating signal PCB and a position sensor, wherein the power supply PCB and the heating signal PCB are both arranged at the bottom of the support frame, a plurality of contact blocks used for being in contact with the outer-layer probes are arranged on the outer end faces of the power supply PCB and the heating signal PCB, the signal input ends of the power supply PCB and the heating signal PCB are respectively in contact connection with the contact blocks through cardboard connectors, and the power supply PCB is provided with a plurality of power supply ends used for being electrically connected with the power transmission end of the heating device and used for supplying power to the heating device; the heating signal PCB is provided with a plurality of signal output ends which are electrically connected with the control end of the heating device and used for controlling the heating device to heat the battery clamped in the battery heating block; the position sensor is arranged on the side surface of the heating device pushing device, and the signal output end of the position sensor is electrically connected with the signal input and output end of the power supply PCB and used for detecting whether the battery in the battery heating block is in place or not.
2. The special tool of claim 1, wherein: the supporting frame comprises a bottom plate, a front supporting plate and a rear supporting plate, wherein the front supporting plate and the rear supporting plate are respectively arranged at the left end part and the right end part which are opposite to the bottom plate, and the front supporting plate and the rear supporting plate are arranged oppositely and are vertical to the bottom plate and jointly enclose a cavity for placing a battery with the bottom plate.
3. The special tool of claim 2, wherein: the heating plate guide assembly comprises a plurality of support plate connecting optical shafts, battery side heating plate connecting blocks sleeved on the support plate connecting optical shafts, a guide shaft sleeve used for heat insulation, a chain used for the maximum axial distance between two adjacent battery side heating plate connecting blocks and a chain fixing block used for fixing the chain, the support plate connecting optical shafts are divided into two groups which are respectively arranged at the front side and the rear side of the bottom plate, the support plate connecting optical shafts are kept to be arranged along the axial direction of the bottom plate, and two ends of the support plate connecting optical shafts are respectively connected with the opposite end parts of the front support plate and the rear support plate; a guide shaft sleeve which is sleeved on a connecting optical axis of the supporting plate and is used for heat insulation is assembled at a central through hole of the connecting block of the heating plate on the side surface of the battery, and a chain fixing block for fixing a chain is arranged on the outer side surface of the guide shaft sleeve; every backup pad is connected and is cup jointed a plurality of battery side hot plate connecting block on the optical axis to keep battery side hot plate connecting block and backup pad to be connected optical axis sliding connection, connect epaxial battery side hot plate connecting block through same root chain interconnect with same root backup pad, be used for limiting the axial maximum distance between the battery side hot plate connecting block.
4. The special tool of claim 1, wherein: the heating device comprises a plurality of heating plates, heat insulation plates, battery bottom surface supporting plates and battery limiting blocks, wherein the heating plates are arranged in parallel relatively, two end parts of each heating plate are fixedly connected with battery side surface heating plate connecting blocks sleeved on two groups of supporting plate connecting optical axes respectively, so that the sliding connection between the heating plates and the supporting plate connecting optical axes is realized, and a gap serving as a battery heating block is reserved between two adjacent heating plates and is used for placing and clamping batteries to heat the batteries; a battery bottom surface supporting plate used for supporting the battery bottom surface is fixedly arranged at the bottom of the battery heating block; the outer end faces of the two heating plates at the end parts are fixedly provided with heat insulation plates for preventing the heat of the heating plates from being transferred to the supporting frame so as to ensure the stability of the temperature; the battery limiting block is arranged on a battery bottom supporting plate located below the battery heating block and used for limiting the position of the battery in the battery heating block.
5. The special tool of claim 2, wherein: the transmission screw rod assembly comprises a transmission screw rod, a screw rod support seat assembly, a dustproof cover mounting seat, a dustproof cover and a lining, and the screw rod support seat assembly is embedded in the front support plate; a bushing capable of rotating around a central axis of the bushing is coaxially arranged in the inner cavity of the dustproof cover mounting seat, one end of the bushing is connected with the front support plate, the other end of the bushing is provided with a dustproof powder cover, and the dustproof cover mounting seat, the bushing and the dustproof powder cover at the end part together enclose a dustproof cavity; one end of the transmission screw rod is rotatably connected with the front supporting plate, and the other end of the transmission screw rod extends into the dustproof cavity and then is in threaded connection with the nut assembly of the pushing assembly, so that the pushing assembly can axially reciprocate along the transmission screw rod.
6. The special tool of claim 1, wherein: the pushing assembly comprises a heating plate pushing plate, a mounting plate and a nut assembly, the pushing surface of the heating plate pushing plate is mounted on the outer end surface of the heating plate close to one side of the front support plate, and a heat insulation plate is clamped between the pushing surface of the heating plate pushing plate and the outer end surface of the heating plate close to one side of the front support plate; the outer end face of the heating plate push plate is fixedly provided with a mounting plate which is fixedly arranged on the outer end face of the dust-proof cover; the nut component is arranged in the dust-proof cavity, an inner threaded hole of the nut component is in threaded connection with an outer thread of the transmission screw rod, and an outer wall of the nut component is fixedly connected with the lining, so that the heating plate push plate can linearly reciprocate along the axial direction of the transmission screw rod under the pushing of the transmission screw rod.
7. the special tool of claim 6, wherein: the limiting rod is additionally arranged between the mounting plate and the front support plate, wherein one end of the limiting rod is fixedly connected with the mounting plate and used for limiting the limit movement distance of the mounting plate of the push plate assembly to the front support plate of the jig, namely the minimum distance between the mounting plate and the front support plate.
8. The special tool of claim 1, wherein: hard board insulation parting strips are arranged at the edges of the power supply PCB and the heating signal PCB and are used for realizing insulation between the plate body and the supporting frame; the contact block is made of red copper and serves as an electrified joint of the jig.
9. The special tool of claim 1, wherein: the heating plate and the battery bottom supporting plate are made of aluminum materials, high-temperature cloth is attached to the surface of the heating plate, a temperature sensor is further arranged on the plate body, and the signal output end of the temperature sensor is connected with the signal input end of the heating signal PCB in a signal mode and used for detecting whether the battery side heating plate is in a normal working state or not.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821936331.6U CN209744850U (en) | 2018-11-22 | 2018-11-22 | special tool of vacuum drying lithium cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821936331.6U CN209744850U (en) | 2018-11-22 | 2018-11-22 | special tool of vacuum drying lithium cell |
Publications (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489347A (en) * | 2018-11-22 | 2019-03-19 | 浙江杭可科技股份有限公司 | A kind of special fixture being dried in vacuo lithium battery |
| WO2024037505A1 (en) * | 2022-08-19 | 2024-02-22 | 宁德时代新能源科技股份有限公司 | Drying device and battery cell drying system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489347A (en) * | 2018-11-22 | 2019-03-19 | 浙江杭可科技股份有限公司 | A kind of special fixture being dried in vacuo lithium battery |
| WO2024037505A1 (en) * | 2022-08-19 | 2024-02-22 | 宁德时代新能源科技股份有限公司 | Drying device and battery cell drying system |
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