CN115751863A - Working method of drying equipment - Google Patents
Working method of drying equipment Download PDFInfo
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- CN115751863A CN115751863A CN202211680611.6A CN202211680611A CN115751863A CN 115751863 A CN115751863 A CN 115751863A CN 202211680611 A CN202211680611 A CN 202211680611A CN 115751863 A CN115751863 A CN 115751863A
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- 238000001035 drying Methods 0.000 title claims abstract description 161
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 238000012360 testing method Methods 0.000 claims abstract description 8
- 238000005086 pumping Methods 0.000 claims abstract description 3
- 238000000605 extraction Methods 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 4
- 230000005012 migration Effects 0.000 claims description 4
- 238000013508 migration Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000011017 operating method Methods 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Drying Of Solid Materials (AREA)
Abstract
The invention provides a working method of drying equipment, which comprises the following specific steps: the method comprises the following specific steps: (1) Before drying the battery, mounting the battery on a drying clamp; (2) Putting a drying clamp with a battery into the cavity, and installing the drying clamp on a base in the cavity; the heating plate on the drying fixture is electrically connected when the second electrical connection terminal on the base is connected with the first electrical connection terminal on the drying fixture; (3) Manually closing the sealing device to enable the battery to be positioned in the sealed containing cavity of the box body; (4) Pumping out all air in the closed containing cavity through an air pressure device; (5) Starting the heating plate to work, heating the cavity, and filling gas into the closed containing cavity through a gas pressure device after the battery is dried so as to increase the gas pressure in the containing cavity; (6) And manually opening the sealing device, moving the sealing device outwards and downwards, separating the drying clamp from the base, and taking out the battery for testing.
Description
Technical Field
The invention relates to the technical field of battery drying equipment, in particular to a working method of drying equipment.
Background
In recent years, the use trend of batteries in China is more and more obvious, and the use efficiency of lithium batteries is further promoted with the continuous increase of new energy industries. But moisture can produce very big influence to lithium ion battery's performance, and more importantly the moisture content of battery can have very big influence to battery security and uniformity, and when lithium cell drying operation, in order to reduce the boiling point of water, can put the battery in vacuum environment, give the battery heating simultaneously for the inside moisture of battery is fully discharged. Among the prior art, battery drying process adopts single heat radiation transfer mode mostly, and whole dry cavity passes through heater etc. and makes its cavity intensifies to it makes its drying to treat that the dry material is put into heating cavity internal heating to the tray, but makes energy utilization among the drying process low down, and leads to the inhomogeneous phenomenon of battery heating easily, influences quality, cycling performance and the security of battery.
And Chinese patent application No. CN202110857758.7, publication No. 2021.10.01, it discloses a drying apparatus, relate to the battery manufacturing equipment technical field. The drying equipment comprises a drying box, a moving assembly, a feeding and discharging part and a feeding assembly; the drying box is provided with an accommodating cavity and an opening, and the opening is arranged on the side part of the drying box and communicated with the accommodating cavity; the plurality of openings are arranged in a first horizontal direction and a vertical direction; the push-pull mechanism and the crown block mechanism are both arranged on the moving mechanism; the push-pull mechanism is used for enabling the sliding frame to move between a first position and a second position; the crown block mechanism is used for clamping the battery and feeding and discharging the clamp; when the clamp is located at the first position, the sliding frame is located in the accommodating cavity, and the panel is arranged at the opening and covers the opening; when the clamp is located the second position, the carriage is located and holds the chamber outward, and the clamp is located the below of overhead traveling crane mechanism. The drying box can bake the batteries of the plurality of clamps in the accommodating cavity and control the water content of the batteries, so that the difficulty of moving the clamps is reduced, and the cost of the clamps is also reduced; but this structure toasts the battery of a plurality of anchor clamps, can not carry out single control, can only realize the push-and-pull of horizontal direction, when article and article in the container chamber can only be taken out along the vertical direction in needs, and the door plant of pulling out along the horizontal direction can make the opening of pulling out big enough to make and conveniently take back article, it is the biggest just need open the opening of drawer if need conveniently open the drawer simultaneously, thereby can influence the atmospheric pressure in the box, structural reliability is not high.
Disclosure of Invention
The invention aims to provide a working method of drying equipment, which is characterized in that a drying clamp is placed on a base, then a single cavity can be heated by starting a heating plate, and meanwhile, the single cavity is sealed by a sealing device, so that drying and testing operations are convenient.
In order to achieve the purpose, the drying equipment is used for drying the battery, and comprises a box body, a drying clamp assembly, a sealing device and an air pressure device, wherein more than two containing cavities matched with the drying clamp assembly are arranged on the box body, cavity openings are formed in the containing cavities, more than two drying clamps used for drying the battery and bases matched with the drying clamps are arranged in the cavities, a second electric connecting terminal used for being connected with a power supply is arranged on the base, a first electric connecting terminal electrically connected with the second electric connecting terminal is arranged at the bottom of the drying clamp, the first electric connecting terminal and the second electric connecting terminal can be detachably connected, a heating plate is arranged in the drying clamp, the heating plate of the drying clamp is electrically connected with the first electric connecting terminal, the sealing device is arranged on the openings of the containing cavities in an openable and closable manner, the air pressure device is arranged on the box body, and the air pressure device is connected with the cavities of the drying clamp assembly;
the method comprises the following specific steps:
(1) Before drying the battery, mounting the battery on a drying clamp;
(2) Putting a drying clamp with a battery into the cavity, and installing the drying clamp on a base in the cavity; the heating plate on the drying fixture is electrically connected when the second electrical connection terminal on the base is connected with the first electrical connection terminal on the drying fixture;
(3) Manually closing the sealing device to enable the battery to be positioned in the sealed containing cavity of the box body;
(4) Pumping out all air in the closed containing cavity through an air pressure device;
(5) Starting the heating plate to work, heating the cavity, and filling gas into the closed containing cavity through a gas pressure device after the battery is dried so as to increase the gas pressure in the containing cavity;
(6) And manually opening the sealing device, moving the sealing device outwards and downwards, separating the drying clamp from the base, and taking out the battery for testing.
According to the arrangement, the drying clamp for drying the batteries and the base matched with the drying clamp are arranged in the cavity of the drying clamp assembly, meanwhile, the second electric connecting terminal arranged on the base can be detachably connected with the first electric connecting terminal at the bottom of the drying clamp, and is connected with the heating plate in the drying clamp through the first electric connecting terminal, when the drying clamp is connected with the base in a matching manner, the heating plate is communicated with the second electric connecting terminal, so that independent space drying of the batteries in the drying clamp is realized, when the batteries in the cavity are tested, the batteries in a single drying cavity can be independently taken out for testing, and the drying degree of the batteries in other cavities is not influenced; the sealing device is arranged at the opening of the containing cavity, so that a good sealed environment is provided for the battery in the cavity of the drying clamp assembly; through set up air pressure device on the box to make air pressure device be connected with the cavity, thereby can realize forming vacuum environment in the cavity, before taking out the battery, can fill gas in the cavity, increase the atmospheric pressure in the cavity, be convenient for open sealing device, thereby take out the battery and test, conveniently carry out drying and test operation.
Further, one side of the cavity, away from the opening, is provided with a through hole, and is connected with the air pressure device through the through hole, a support and a fixing seat are arranged in the cavity, the support is located at the middle position of the cavity, the fixing seat is fixedly connected with the bottom of the base, a first flat plate is arranged on the base, and a first electric connecting terminal is arranged on the first flat plate.
In the arrangement, the through hole is formed in the cavity, so that the air pressure device is connected with the cavity through the through hole; the support is arranged in the cavity, so that the two drying clamps and the base matched with the drying clamps can be separated, and collision is avoided; the fixed seat is arranged in the cavity and fixedly connected with the base, so that the base can be fixed in the cavity; the top of the base is provided with the limiting block, so that the drying clamp is limited.
Furthermore, a limiting block is arranged at the top of the base, a second flat plate and a mounting hole matched with the limiting block at the top of the base are arranged at the bottom end of the drying fixture, a through hole matched with a second electric connecting terminal on the first flat plate is formed in the second flat plate, an acquisition module is arranged at one end, close to the through hole, of the cavity, heating plates are respectively arranged at two sides and the bottom of the drying fixture, a dovetail strip is arranged in the drying fixture, a guide block is arranged on the dovetail strip, two ends of the battery are respectively clamped with the guide block, and a gap is formed between the batteries;
when the drying clamp with the battery is placed into the cavity in the step (2), the through hole at the bottom end of the drying clamp is aligned to the limiting block at the bottom end of the base, so that the limiting block is connected with the mounting hole in a matched mode, and the drying clamp is stabilized on the base.
In the arrangement, the second flat plate is arranged at the bottom end of the drying clamp, and the through hole matched with the first electric connection terminal on the first flat plate is formed in the second flat plate, so that the first electric connection terminal on the first flat plate of the base can be connected with the drying clamp in a matching manner; one end of the drying clamp close to the through hole in the cavity is provided with the acquisition module, so that parameter information in the process of drying the battery can be acquired.
Furthermore, be equipped with the mounting bar in the dry anchor clamps, install the guide block on the mounting bar, the both ends of battery respectively with the guide block joint, be equipped with the clearance between the adjacent battery.
Above setting, through set up the mounting bar in dry anchor clamps and set up the guide block at the mounting bar, can fix the battery in dry anchor clamps to dry the battery.
Furthermore, the air pressure device comprises more than two air inlet pipes and more than two air outlet pipes, adjacent air outlet pipes are connected through a corrugated pipe, a connecting port is arranged on each air outlet pipe and is connected with one end of the pneumatic baffle valve, the other end of the pneumatic baffle valve is connected with one end of the air outlet connecting pipe, and the other end of the air outlet connecting pipe is connected with the through hole in the cavity; the air inlet pipes are connected through a three-way connector, a first end and a second end of the three-way connector are respectively connected with the air inlet pipes, a third end of the three-way connector is connected with one end of a pneumatic baffle valve, the other end of the pneumatic baffle valve is connected with one end of an air inlet connecting pipe, and the other end of the air inlet connecting pipe is connected with a through hole in the cavity; a manual baffle valve is arranged on the air outlet pipe, a connecting channel port connected with air extraction equipment is arranged on the manual baffle valve, and a third end of a three-way connector on the air inlet pipe is externally connected with air inlet equipment;
the step (4) comprises the steps of connecting a connecting channel opening on an air outlet pipe of the air pressure device with external air extraction equipment so as to completely extract the air in the cavity;
and (5) connecting a third end of the three-way connector connected with the air outlet pipe of the air pressure device with external air inlet equipment, so that air is filled into the containing cavity, the air pressure in the containing cavity is increased, and the closing device is convenient to open.
According to the arrangement, the connecting port is arranged on the air outlet pipe, the connecting port is connected with one end of the pneumatic baffle valve, the other end of the pneumatic baffle valve is connected with one end of the air outlet connecting pipe, the other end of the connecting pipe is connected with the through hole in the cavity, so that the cavity is connected with the air pressure device, meanwhile, the air outlet pipes are connected through the corrugated pipe, air in the cavity of the drying equipment can be pumped out through the air pressure device, and a vacuum environment is provided for the drying battery; the three-way connector is arranged between the air inlet pipes, the first end and the second end of the three-way connector are respectively connected with the air inlet pipes, the third end of the three-way connector is connected with one end of the pneumatic baffle valve, the other end of the pneumatic baffle valve is connected with one end of the air inlet connecting pipe, so that the cavity is connected with the air pressure device, before the battery is taken out, air can be filled into the cavity of the drying equipment through the air pressure device, the pressure in the cavity is increased, the sealing device is opened, and the battery is taken out for testing.
Furthermore, one end of the second electric connection terminal close to the heating plate is provided with a containing hole, the other end of the second electric connection terminal is provided with a connection convex block, the connection convex block is connected with the via hole, the first electric connection terminal comprises a connection sleeve support, a first clamping sleeve, a terminal and an elastic part, the connection sleeve support is fixedly fixed on the base, a connection through hole is formed in the connection sleeve support, the terminal is arranged in the connection through hole, one end of the terminal close to the first electric connection terminal is sleeved with the first clamping sleeve, the other end of the terminal penetrates through the connection through hole and is fixed on the connection sleeve support, the first clamping sleeve is arranged in the connection through hole, one end of the first clamping sleeve far away from the second connection terminal is connected with the elastic part, one end of the first clamping sleeve close to the second connection terminal is provided with a groove, and one end of the terminal corresponding to the groove is provided with a convex block;
the step (2) "when the second electric connection terminal on the base links to each other with the first electric connection terminal on the dry anchor clamps the hot plate electricity on the dry anchor clamps is connected" includes: when the drying clamp is placed on the base, the second connecting terminal is downwards abutted against one end of the first electric connecting terminal, and the terminal is connected with the first electric connecting terminal under the action of the elastic force of the elastic piece, so that the first connecting terminal is electrically connected with the second connecting terminal.
Above setting, because the bottom of base is fixed with the second connecting terminal, when dry anchor clamps were put on the base, the second connecting terminal downward with the one end looks butt of first electric connecting terminal, thereby it makes terminal and first electric connecting terminal butt more reliable to make first connecting terminal and second connecting terminal be linked together thereby elastic component formation rebound drives terminal rebound when making the terminal receive decurrent power to down move in the twinkling of an eye, make the hot plate circular telegram of dry anchor clamps carry out the heating drying, moreover, the steam generator is simple in structure, and reliable.
Furthermore, the sealing device comprises a door plate, and further comprises movable arms, a vertical flat plate and cylinders which are symmetrically arranged on two sides of the door plate respectively, wherein each cylinder comprises a jacking cylinder which is fixed on the vertical flat plate, a cylinder fixing plate and a cylinder fixing seat are arranged on the vertical flat plate, the vertical flat plate is arranged in the drying equipment, the movable arms are provided with more than one and comprise upper movable arms and lower movable arms, each upper movable arm comprises a connecting part and an extending part, one end of each connecting part is rotatably connected with one side surface of the door plate, the other end of each connecting part is rotatably connected with the vertical flat plate, one end of each extending part is connected with one end of each connecting part which is rotatably connected with the vertical flat plate, the other end of each extending part is rotatably connected with one end of a connector through a pin shaft, and the other end of each connector is connected with one end of the corresponding jacking cylinder; one end of the lower movable arm is rotatably connected with the vertical flat plate, the other end of the lower movable arm is rotatably connected with one side face of the door plate, the upper movable arm and the lower movable arm are in the same plane, and the upper movable arm is positioned above the lower movable arm.
According to the arrangement, the jacking cylinder is arranged above the parallel cylinder, the upper movable arm is arranged above the lower movable arm, and the jacking cylinder is rotatably connected with the movable arm through the connector, so that the jacking cylinder can push the movable arm to rotate the movable arm; through setting up the digging arm respectively with a side of door plant with erect the dull and stereotyped rotation and be connected to make under the digging arm pivoted condition, can drive the door plant and outwards move down, and then open closing device.
Further, the cylinder still includes parallel cylinder, and parallel cylinder's one end is fixed in drying equipment, the jacking cylinder is located parallel cylinder's top, parallel cylinder fixes in drying equipment, parallel cylinder's output with erect dull and stereotyped fixed connection, parallel cylinder drive erects the dull and stereotyped direction horizontal migration to the door plant.
Above setting, through setting up the top that the jacking cylinder is located parallel cylinder, and can make through parallel cylinder erects dull and stereotyped horizontal migration to drive door plant horizontal migration, thereby also can open the door plant more conveniently.
Furthermore, a bearing seat and a fixing part are arranged on one side face of the vertical flat plate, a through hole matched with the synchronizing shaft is formed in the vertical flat plate, two ends of the synchronizing shaft penetrate through the through hole of the vertical flat plate and are respectively and rotatably connected with one end of the lower movable arm through the bearing seat, the fixing part is connected with one end of the parallel cylinder through a connector, and the other end of the parallel cylinder is fixed in the accommodating cavity through a bolt; the other side surface of the vertical flat plate is fixedly provided with more than two fixing blocks, the fixing blocks are provided with through holes, the fixing blocks are arranged on the same axis, the sliding rod penetrates through the through holes of the fixing blocks and is in sliding connection with the fixing blocks, and two ends of the sliding rod are fixed on the drying equipment through fixing lugs; the vertical flat plate is also provided with a fixed plate, the connecting lugs are arranged on the fixed plate and are provided with more than two connecting lugs, one end of each connecting lug is fixedly connected to two ends of the fixed plate through a bolt, the other end of each connecting lug is provided with a through hole, the through holes are connected with two ends of a connecting piece, the connecting piece is connected with one end of the jacking cylinder, and meanwhile the connecting piece is connected with a connector;
the step (3) specifically comprises manually pushing the door plate inwards and upwards, driving the door plate to move inwards and upwards through the rotation of the movable arm, simultaneously enabling the fixed block on the vertical flat plate to slide towards the accommodating cavity along the length direction of the sliding rod, driving the door plate to move inwards, and finally closing the sealing device;
and (6) manually opening the door plate outwards and downwards under the action of the air cylinder, and pushing the door plate to outwards and downwards move, so that the fixing block on the vertical flat plate outwards slides along the length direction of the sliding rod, and the door plate is driven to outwards and downwards move to open the sealing device.
According to the arrangement, the synchronizing shaft penetrates through the through hole of the vertical flat plate and is respectively and rotatably connected with one end of the lower movable arm through the bearing seat, so that the lower movable arm is rotatably connected with the vertical flat plate; the vertical flat plate is provided with a fixing piece to realize the connection with the parallel cylinder; the fixing plate is arranged on the vertical flat plate and used for mounting the connecting lug, so that the parallel cylinder and the vertical flat plate can be conveniently and fixedly connected; the fixing block is arranged on the other side face of the vertical flat plate, the through hole is formed in the fixing block, and the sliding rod penetrates through the fixing block and is connected with the fixing block in a sliding mode, so that the vertical flat plate can slide along the length direction of the sliding rod under the pushing of the air cylinder, and the movable arm and the door plate are driven to move; through set up the engaging lug on the fixed plate, be connected through engaging lug and connecting piece, be connected the one end and the connecting piece of jacking cylinder simultaneously for the jacking cylinder is fixed on the fixed plate.
Furthermore, an acute angle is formed between the connecting part and the extending part of the upper movable arm, the connecting part of the upper movable arm and the vertical flat plate are arranged in an upward and outward inclined manner, the extending part of the upper movable arm and the vertical flat plate are arranged in an upward and outward inclined manner, and the extending part and the connecting part are integrally arranged; the lower movable arm comprises a first connecting arm and a second connecting arm, one end of the first connecting arm is connected with the door panel in a rotating mode, the other end of the first connecting arm is connected with one end of the second connecting arm, the other end of the second connecting arm is connected with the vertical flat plate in a rotating mode, the first connecting arm extends outwards relative to the second connecting arm, and the first connecting arm and the second connecting arm are integrally arranged.
According to the arrangement, an acute angle is formed between the connecting part and the extending part of the upper movable arm, so that the jacking cylinder is positioned above the vertical flat plate, the jacking cylinder starts the extending part, and the connecting part rotates around the vertical flat plate so that the door plate connected with the connecting part rotates downwards; through first linking arm and the slope setting of second linking arm to make and have certain promotion effect upwards to the door plant when the digging arm downwardly rotating in the drive of jacking cylinder, prevent the underspeed downwardly rotating.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the air pressure device of the present invention.
Fig. 3 is a schematic view of the overall structure from another perspective of the present invention.
FIG. 4 is a schematic diagram of the construction of the drying jig assembly of the present invention.
FIG. 5 is a schematic view of another embodiment of the drying jig assembly of the present invention.
Fig. 6 is a schematic view of the drying jig and the base of the present invention.
Fig. 7 is a schematic structural view of the base of the present invention.
Fig. 8 is a schematic view of the structure of the drying jig of the present invention.
Fig. 9 is a schematic structural view of another perspective of the drying jig of the present invention.
Fig. 10 is a schematic view of the construction of the closure of the present invention.
Fig. 11 is a schematic view of a closure device of the present invention from another perspective.
Fig. 12 is an exploded view of the drying jig of the present invention.
Fig. 13 is a bottom view of the drying fixture and base of the present invention.
Fig. 14 is a cross-sectional view taken along line D-D of fig. 13.
Fig. 15 is an enlarged view at a in fig. 14.
Fig. 16 is a perspective view of a first electrical connection terminal and a second electrical connection terminal of the present invention.
Fig. 17 is a top view of the first and second electrical connection terminals of the present invention.
Fig. 18 is a sectional view taken along line B-B of fig. 17.
FIG. 19 is a flow chart of the operation of the present invention.
Reference numerals:
1. a box body; 2. drying the clamp assembly; 3. a closure device; 11. a cavity; 21. a cavity; 22. drying the clamp; 23. a base; 41. an air inlet connecting pipe; 42. an air outlet connecting pipe; 231. a limiting block; 232. a first plate; 233. a terminal; 221. a second plate; 211. an acquisition module; 222. a cover plate; 223. mounting a bar; 224. a guide block; 43. an air inlet pipe; 44. an air outlet pipe; 441. a manual flapper valve; 442. connecting the channel ports; 45. a bellows; 46. clamping a hoop; 47. a pneumatic flapper valve; 48. a three-way connector; 211. a support; 212. a fixed seat; 31. a door panel; 32. an upper movable arm; 33. a lower movable arm; 34. erecting a flat plate; 35. a connector; 36. a connecting member; 37. jacking a cylinder; 38. connecting lugs; 39. a fixing plate; 310. a synchronizing shaft; 311. a bearing seat; 312. a parallel cylinder; 313. a fixing member; 314. a connector; 315. a fixed block; 316. a slide bar; 321. a connecting portion; 322. an extension portion; 3331. a first connecting arm; 3332. a second connecting arm; 51. a first electrical connection terminal; 52. a second electrical connection terminal; 53. heating the plate; 521. an accommodation hole; 522. a connection bump; 511. connecting sleeve brackets; 512. a first ferrule; 513. a terminal; 514. an elastic member; 5111. and connecting the through holes.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1 to 18, an embodiment of the present invention provides a working method of a drying apparatus, which is used for drying a battery, and includes a box 1, a drying jig assembly 2, a sealing device 3, and an air pressure device, where the box 1 is provided with more than two cavities 11 matching with the drying jig assembly 2, the cavities 11 are provided with openings, the drying jig assembly 2 is disposed in the cavities 11, the drying jig assembly 2 includes a cavity 21, a drying jig 22 for drying the battery, and a base 23 matching with the drying jig 22, where one side of the cavity 21 is provided with a cavity opening, one side of the cavity 21 away from the cavity opening is provided with a through hole, the cavity 21 is respectively connected with an air inlet connecting pipe 41 and an air outlet connecting pipe 42 of the air pressure device through the through hole, a bracket 211 and a fixing seat 212 are disposed in the cavity 21, the two drying jigs 22 and the base 23 matching with the drying jig can be separated from each other by disposing the bracket 211 in the cavity 21, so as to avoid collision, the fixing seat 212 is fixedly connected with the bottom of the base 23 through a screw, the top of the base 23 is provided with a limit block 231, and the base 23 is provided with a first flat plate 232, and a terminal 233 is disposed on the first flat plate 232.
As shown in fig. 8-9, the bottom end of the drying fixture 22 is provided with a second plate 221 and a connecting hole matched with the stopper 231 at the top of the base 23, the second plate 221 is provided with a through hole matched with the terminal 233 on the first plate 232, the terminal 233 on the first plate 232 is matched and connected with the through hole on the second plate 221, the stopper 231 at the top of the base 23 is matched and connected with the connecting hole at the bottom end of the drying fixture 22, so as to fix the drying fixture 22 on the base 23; drying jig 22 is close to the one end that cavity 21 was equipped with the through-hole and is equipped with collection module 211, can gather the parameter information of dry battery in-process, in this embodiment, collection module 211 is temperature humidity transducer, drying jig 22's both sides and bottom are equipped with the hot plate respectively, be equipped with apron 222 above the hot plate of bottom, be equipped with dovetail strip 223 on the apron 222, install guide block 224 on the installation strip 223, be equipped with the clearance between the guide block 224, the both ends of battery respectively with the guide block 224 joint, be equipped with the clearance between the battery.
As shown in fig. 12 to 18, a first electrical connection terminal 51 for connecting to a power source is provided on the base 23, a second electrical connection terminal 52 electrically connected to the first electrical connection terminal 51 is provided on the bottom of the drying jig 22, the first electrical connection terminal 51 and the second electrical connection terminal 52 are detachably connected, a heating plate is provided in the drying jig 22, and the heating plate of the drying jig 22 is electrically connected to the second electrical connection terminal 52.
One end of the second electrical connection terminal 52 close to the heating plate 53 is provided with a receiving hole 521, the other end of the second electrical connection terminal 52 is provided with a connection bump 522, the connection bump 522 is connected with the via hole, the first electrical connection terminal 51 comprises a connection sleeve support 511, a first clamping sleeve 512, a terminal 513 and an elastic element 514, the connection sleeve support 511 is fixed on the base, a connection through hole 5111 is arranged in the connection sleeve support 511, the terminal 513 is arranged in the connection through hole 5111, one end of the terminal 513 close to the first electrical connection terminal 51 is sleeved with the first clamping sleeve 512, the other end of the terminal 513 passes through the connection through hole 5111 and is fixed on the connection sleeve support 511, the first clamping sleeve 512 is arranged in the connection through hole 5111, one end of the first clamping sleeve 512 far away from the second connection terminal 52 is connected with the elastic element 514, one end of the first clamping sleeve 512 close to the second connection terminal 52 is provided with a groove 5121, and one end of the terminal 513 corresponding to the groove 5121 is provided with a bump 5131. In this embodiment, the elastic element 514 is a spring, the heating plate 53 on the drying fixture 22 is connected to the accommodating hole 521 through a wire, the first connecting terminal 51 is made of a conductive material, the terminal 513 is made of a conductive material, the connecting sleeve support 511 and the first ferrule 512 are made of an insulating material, and the power supply is disposed in the base and connected to the terminal 513 through a wire (not shown) to supply power.
Because the bottom of drying anchor clamps is fixed with second connecting terminal 52, when drying anchor clamps were put on base 53, second connecting terminal 52 was to first electric connecting terminal 51's one end looks butt down, thereby make terminal 513 receive the power down in the twinkling of an eye the time of moving down the terminal and the elastic component 514 forms the rebound thereby it makes terminal 513 and first electric connecting terminal 51 butt more reliable to drive terminal 513 rebound, thereby make first connecting terminal 51 and second connecting terminal 52 be linked together, make the hot plate circular telegram of drying anchor clamps carry out the heating drying, moreover, the steam generator is simple in structure, and reliable.
As shown in fig. 2, the air pressure device includes more than two air inlet pipes 43 and more than two air outlet pipes 44, a manual flapper valve 441 is arranged on the air outlet pipe 44, a connecting channel port 442 connected with the air extraction equipment is arranged on the manual flapper valve 441, adjacent air outlet pipes 44 are connected through a corrugated pipe 45, a clamp 46 is arranged at the connection position of the air outlet pipe 44 and the corrugated pipe 45, a connecting port is arranged on the air outlet pipe 44, the connecting port is connected with one end of a pneumatic flapper valve 47, the clamp 46 is arranged at the connection position of the connecting port and the pneumatic flapper valve 47, the other end of the pneumatic flapper valve 47 is connected with one end of an air outlet connecting pipe 42, the clamp 46 is arranged at the connection position of the pneumatic flapper valve 47 and the air outlet connecting pipe 42, and the other end of the air outlet connecting pipe 42 is connected with a through hole on the cavity 21; the air inlet pipes 43 are connected through a first end and a second end of a three-way connector 48, wherein a third end of the three-way connector 48 is connected with one end of a pneumatic baffle valve 47, a clamp 46 is arranged at the joint of the three-way connector 48 and the pneumatic baffle valve 47, the other end of the pneumatic baffle valve 47 is connected with one end of an air inlet connecting pipe 41, the other end of the air inlet connecting pipe 41 is connected with a through hole in the cavity 21, the clamp 46 is arranged at the joint of the three-way connector 48 and the pneumatic baffle valve 47 and the joint of the pneumatic baffle valve 47 and the air inlet connecting pipe 41, and one end of the three-way connector 48 on the air inlet pipe 43 can be externally connected with air inlet equipment.
As shown in fig. 10-11, the sealing device 3, for sealing a drying apparatus, includes a door panel 31, further includes a movable arm, an upright plate 34, and a cylinder, which are symmetrically disposed on two sides of the door panel 31, and are symmetrically disposed on two sides of the door panel, the movable arm includes two or more movable arms, including an upper movable arm 32 and a lower movable arm 33, the upper movable arm 32 and the lower movable arm 33 are disposed on the same plane, and the upper movable arm 32 is located above the lower movable arm 33, wherein the upper movable arm 32 includes a connecting portion 321 and an extending portion 322, an acute angle is formed between the connecting portion 321 and the extending portion 322, the connecting portion 321 and the upright plate 34 are disposed upward and outward, the extending portion 322 and the upright plate 34 are disposed upward and outward, and are integrally disposed with the connecting portion 321, one end of the connecting portion 321 is rotatably connected to one side of the door panel 31, the other end of the connecting portion 321 is rotatably connected to the upright plate 34, one end of the extending portion 322 is connected to one end of the connecting portion 321 and the upright plate 34, the other end of the extending portion 322 is rotatably connected to one end of the connecting portion 5 by a pin, the other end of the connecting portion 36 is connected to the upright plate 36, and the connecting portion 36 is mounted to a fixing plate 38, and a fixing plate 39 is mounted to a fixing plate 38, and a fixing plate 39 mounted on the fixing plate 38; a through hole matched with the synchronizing shaft 310 is formed in the vertical flat plate 34, a bearing seat 311 and a fixing part 313 are arranged on one side surface of the vertical flat plate 34, a through hole matched with the synchronizing shaft 310 is formed in the vertical flat plate 34, and two ends of the synchronizing shaft 310 penetrate through the through hole of the vertical flat plate 34 and the bearing seat 311 to be respectively and rotatably connected with one end of the lower movable arm 33; the lower movable arm 33 includes a first connecting arm 3331 and a second connecting arm 3332, one end of the first connecting arm 3331 is rotatably connected to the door panel 31, the other end of the first connecting arm 3331 is connected to one end of the second connecting arm 3332, the other end of the second connecting arm 3332 is rotatably connected to the vertical flat plate 34, the first connecting arm 3331 extends upwards and outwards relative to the second connecting arm 3332, and the first connecting arm 3331 and the second connecting arm 3332 are integrally arranged, so that the lower movable arm 33 is rotatably connected to the vertical flat plate 34.
In this embodiment, the air cylinders include a jacking air cylinder 37 and a parallel air cylinder 312, the jacking air cylinder 39 is located above the parallel air cylinder 312, one end of the parallel air cylinder 312 is fixed in the drying equipment, the output end of the parallel air cylinder 312 is fixedly connected with the vertical flat plate 34, the parallel air cylinder 312 drives the vertical flat plate 34 to horizontally move towards the door panel 31, a fixing part 313 is arranged on one side surface of the vertical flat plate 34, the fixing part 313 is connected with one end of the connector 35 through a pin shaft, and the other end of the connector 35 is connected with one end of the parallel air cylinder 312 through a connector 314; in this embodiment, the two or more fixing blocks 315 are arranged in parallel at the upper end and the lower end of the vertical flat plate 34, the number of the fixing blocks 315 is four, through holes are formed in the fixing blocks 315, the fixing blocks 315 are arranged on the same axis, the sliding rod 316 penetrates through the fixing blocks 315 and is slidably connected with the fixing blocks 315, two ends of the sliding rod 316 are fixed on the drying equipment through fixing lugs 3161, the vertical lifting cylinder 37 is connected with the extending part 322 of the movable arm, the vertical flat plate 34 is rotatably connected with the movable arm, and the other end of the movable arm is connected with the door plate 31, so that the vertical lifting cylinder 37 pushes the movable arm to rotate around the vertical flat plate, the vertical lifting cylinder 37 extends out to enable the movable arm to move in the horizontal direction, and meanwhile, the movable arm rotates on the vertical flat plate 34 to enable the door plate 31 to move outwards and downwards.
As shown in fig. 19, in this embodiment, a working method of a drying apparatus includes:
(1) Before the battery is dried, the battery is installed and clamped on a drying clamp.
(2) When the drying clamp provided with the battery is placed into the cavity, the through hole at the bottom end of the drying clamp is aligned to the limiting block at the bottom end of the base, so that the limiting block is connected with the through hole in a matching manner, and the drying clamp is fixed on the base; when the second electric connecting terminal on the base is connected with the first electric connecting terminal on the drying fixture, the heating plate on the drying fixture is electrically connected.
(3) When closing the closing means manually, thereby inwards upwards promote the door plant, thereby rotate through the digging arm and drive the door plant and inwards upwards remove, thereby make the fixed block of erectting on the flat board slide along the length direction of slide bar to holding the intracavity to drive the door plant and inwards remove, close closing the closing means at last, make the battery be in the airtight appearance intracavity of box.
(4) The connecting channel opening on the air outlet pipe of the air pressure device is connected with external air extraction equipment, so that all air in the containing cavity is extracted.
(5) The heating plate is started to work to heat the cavity, after the battery is dried, one end of the air outlet pipe of the air pressure device, which is connected with the three-way connector, is connected with external air inlet equipment, so that air is filled into the containing cavity, the air pressure in the containing cavity is increased, and the sealing device is convenient to open.
(6) Under the effect of cylinder, outwards downwards manually open the door plant to promote the door plant outwards to move down, make and erect the fixed block on the dull and stereotyped and outwards slide along the length direction of slide bar, thereby drive the door plant and outwards remove down and make closing device open.
Claims (10)
1. The utility model provides a working method of drying equipment, drying equipment are used for carrying out the drying to the battery, including the box, its characterized in that: the drying device comprises a box body, a drying clamp assembly, a sealing device and an air pressure device, wherein the box body is provided with more than two containing cavities matched with the drying clamp assembly, cavity openings are formed in the containing cavities, more than two drying clamps for drying batteries and bases matched with the drying clamps are arranged in the cavities, second electric connecting terminals for being connected with a power supply are arranged on the bases, first electric connecting terminals electrically connected with the second electric connecting terminals are arranged at the bottoms of the drying clamps, the first electric connecting terminals and the second electric connecting terminals can be detachably connected, heating plates are arranged in the drying clamps, the heating plates of the drying clamps are electrically connected with the first electric connecting terminals, the sealing device is arranged on the openings of the containing cavities in an openable and closable manner, the air pressure device is arranged on the box body, and the air pressure device is connected with the cavities of the drying clamp assembly;
the method comprises the following specific steps:
(1) Before drying the battery, mounting the battery on a drying clamp;
(2) Putting a drying clamp with a battery into the cavity, and installing the drying clamp on a base in the cavity; the heating plate on the drying fixture is electrically connected when the second electrical connection terminal on the base is connected with the first electrical connection terminal on the drying fixture;
(3) Manually closing the sealing device to enable the battery to be positioned in the sealed containing cavity of the box body;
(4) Completely pumping out the air in the closed containing cavity through an air pressure device;
(5) Starting the heating plate to work, heating the cavity, and after the battery is dried, filling gas into the closed containing cavity through a gas pressure device to increase the gas pressure in the containing cavity;
(6) And manually opening the sealing device, moving the sealing device outwards and downwards, separating the drying clamp from the base, and taking out the battery for testing.
2. A method of operating a drying apparatus according to claim 1, wherein: the cavity is kept away from open-ended one side and is provided with the through-hole, through the through-hole with air pressure unit connects, be provided with support and fixing base in the cavity, the support is located the middle part position of cavity, the fixing base with the bottom fixed connection of base, be provided with first flat board on the base, be provided with first electric connection terminal on the first flat board.
3. A method of operating a drying apparatus according to claim 2, wherein: the top of the base is provided with a limiting block, the bottom end of the drying clamp is provided with a second flat plate and a mounting hole matched with the limiting block at the top of the base, the second flat plate is provided with a through hole matched with a second electric connecting terminal on the first flat plate, one end of the drying clamp, which is close to the through hole in the cavity, is provided with an acquisition module, and two sides and the bottom of the drying clamp are respectively provided with a heating plate;
when the drying clamp with the battery is placed into the cavity in the step (2), the through hole at the bottom end of the drying clamp is aligned to the limiting block at the bottom end of the base, so that the limiting block is connected with the mounting hole in a matched mode, and the drying clamp is stabilized on the base.
4. A method of operating a drying apparatus according to claim 1, wherein: be equipped with the mounting bar in the drying jig, install the guide block on the mounting bar, the both ends of battery respectively with the guide block joint, be equipped with the clearance between the battery.
5. A method of operating a drying apparatus according to claim 1, wherein: the air pressure device comprises more than two air inlet pipes and more than two air outlet pipes, adjacent air outlet pipes are connected through a corrugated pipe, a connector is arranged on each air outlet pipe and connected with one end of the pneumatic flapper valve, the other end of the pneumatic flapper valve is connected with one end of an air outlet connecting pipe, a clamp is arranged at the connection position, and the other end of the air outlet connecting pipe is connected with a through hole in the cavity; the air inlet pipes are connected through a three-way connector, a first end and a second end of the three-way connector are respectively connected with the air inlet pipes, a third end of the three-way connector is connected with one end of a pneumatic baffle valve, the other end of the pneumatic baffle valve is connected with one end of an air inlet connecting pipe, and the other end of the air inlet connecting pipe is connected with a through hole in the cavity; a manual baffle valve is arranged on the air outlet pipe, a connecting channel opening connected with air extraction equipment is arranged on the manual baffle valve, and a third end of a three-way connector on the air inlet pipe is externally connected with air inlet equipment;
step (4) comprises connecting a connecting channel opening on an air outlet pipe of the air pressure device with external air extraction equipment, so that all air in the cavity is extracted;
and (5) connecting a third end of the three-way connector connected with the air outlet pipe of the air pressure device with external air inlet equipment, so that air is filled into the containing cavity, the air pressure in the containing cavity is increased, and the closing device is convenient to open.
6. A method of operating a drying apparatus according to claim 1, wherein: one end of the second electric connection terminal close to the heating plate is provided with a containing hole, the other end of the second electric connection terminal is provided with a connection lug, the connection lug is connected with the via hole, the first electric connection terminal comprises a connection sleeve support, a first clamping sleeve, a terminal and an elastic part, the connection sleeve support is fixedly fixed on the base, a connection through hole is formed in the connection sleeve support, the terminal is arranged in the connection through hole, one end of the terminal close to the first electric connection terminal is sleeved with the first clamping sleeve, the other end of the terminal penetrates through the connection through hole and is fixed on the connection sleeve support, the first clamping sleeve is arranged in the connection through hole, one end of the first clamping sleeve far away from the second connection terminal is connected with the elastic part, one end of the first clamping sleeve close to the second connection terminal is provided with a groove, and one end of the terminal, corresponding to the groove, is provided with a lug;
the step (2) "when the second electric connection terminal on the base links to each other with the first electric connection terminal on the dry anchor clamps the hot plate electricity on the dry anchor clamps is connected" includes: when the drying clamp is placed on the base, the second connecting terminal is downwards abutted against one end of the first electric connecting terminal, and the terminal is connected with the first electric connecting terminal under the action of the elastic force of the elastic piece, so that the first connecting terminal is electrically connected with the second connecting terminal.
7. A method of operating a drying apparatus according to claim 1, wherein: the sealing device comprises a door plate, and further comprises movable arms, a vertical flat plate and cylinders, wherein the movable arms are symmetrically arranged on two sides of the door plate respectively, the cylinders comprise jacking cylinders, the jacking cylinders are fixed on the vertical flat plate, a cylinder fixing plate and a cylinder fixing seat are arranged on the vertical flat plate, the vertical flat plate is arranged in the drying equipment, the movable arms are provided with more than one and comprise upper movable arms and lower movable arms, each upper movable arm comprises a connecting part and an extending part, one end of each connecting part is rotatably connected with one side face of the door plate, the other end of each connecting part is rotatably connected with the vertical flat plate, one end of each extending part is rotatably connected with one end of each connecting part and the vertical flat plate, the other end of each extending part is rotatably connected with one end of a connector through a pin shaft, and the other end of each connector is connected with one end of each jacking cylinder; one end of the lower movable arm is rotatably connected with the vertical flat plate, the other end of the lower movable arm is rotatably connected with one side face of the door plate, the upper movable arm and the lower movable arm are in the same plane, and the upper movable arm is positioned above the lower movable arm.
8. A method of operating a drying apparatus according to claim 7, wherein:
the cylinder still includes parallel cylinder, and parallel cylinder's one end is fixed in drying equipment, the jacking cylinder is located parallel cylinder's top, parallel cylinder fixes in drying equipment, parallel cylinder's output with erect dull and stereotyped fixed connection, the direction horizontal migration of dull and stereotyped to the door plant is erect in the parallel cylinder drive.
9. The operating method of a drying apparatus according to claim 7, wherein:
a bearing seat and a fixing piece are arranged on one side face of the vertical flat plate, a through hole matched with the synchronizing shaft is formed in the vertical flat plate, two ends of the synchronizing shaft penetrate through the through hole of the vertical flat plate and are respectively and rotatably connected with one end of the lower movable arm through the bearing seat, the fixing piece is connected with one end of the parallel air cylinder through a connector, and the other end of the parallel air cylinder is fixed in the accommodating cavity through a bolt; the other side surface of the vertical flat plate is fixedly provided with more than two fixing blocks, the fixing blocks are provided with through holes, the fixing blocks are arranged on the same axis, the sliding rod penetrates through the through holes of the fixing blocks and is in sliding connection with the fixing blocks, and two ends of the sliding rod are fixed on the drying equipment through fixing lugs; the vertical flat plate is also provided with a fixed plate, the connecting lugs are arranged on the fixed plate, more than two connecting lugs are arranged, one ends of the connecting lugs are fixedly connected to two ends of the fixed plate respectively through bolts, the other ends of the connecting lugs are provided with through holes respectively connected with two ends of a connecting piece, the connecting piece is connected with one end of the jacking cylinder, and meanwhile the connecting piece is connected with a connector;
the step (3) specifically comprises manually pushing the door plate inwards and upwards, driving the door plate to move inwards and upwards by rotating the movable arm, and simultaneously enabling the fixed block on the vertical flat plate to slide towards the accommodating cavity along the length direction of the sliding rod so as to drive the door plate to move inwards, and finally closing the sealing device;
and (6) manually opening the door plate outwards and downwards under the action of the cylinder, pushing the door plate to outwards and downwards move, enabling the fixing block on the vertical flat plate to outwards slide along the length direction of the sliding rod, and driving the door plate to outwards and downwards move to open the sealing device.
10. A method of operating a drying apparatus according to claim 1, wherein: an acute angle is formed between the connecting part and the extending part of the upper movable arm, the connecting part of the upper movable arm and the vertical flat plate are arranged in an upward and outward inclined mode, the extending part of the upper movable arm and the vertical flat plate are arranged in an upward and outward inclined mode, and the extending part and the connecting part are integrally arranged; the lower movable arm comprises a first connecting arm and a second connecting arm, one end of the first connecting arm is connected with the door panel in a rotating mode, the other end of the first connecting arm is connected with one end of the second connecting arm, the other end of the second connecting arm is connected with the vertical flat plate in a rotating mode, the first connecting arm extends outwards relative to the second connecting arm, and the first connecting arm and the second connecting arm are integrally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211680611.6A CN115751863A (en) | 2022-12-27 | 2022-12-27 | Working method of drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211680611.6A CN115751863A (en) | 2022-12-27 | 2022-12-27 | Working method of drying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115751863A true CN115751863A (en) | 2023-03-07 |
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ID=85347596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211680611.6A Pending CN115751863A (en) | 2022-12-27 | 2022-12-27 | Working method of drying equipment |
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| Country | Link |
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| CN (1) | CN115751863A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205192214U (en) * | 2015-11-25 | 2016-04-27 | 深圳市腾达工业自动设备有限公司 | Vacuum drying furnace |
| CN206281285U (en) * | 2016-10-09 | 2017-06-27 | 深圳市镭煜科技有限公司 | Contact lithium battery drying oven |
| EP3557167A1 (en) * | 2018-04-19 | 2019-10-23 | Dongguan Tec-Rich Engineering Co., Ltd | Active heating and drying fixture for lithium battery, and vacuum connection system for production line |
| CN210602570U (en) * | 2019-09-16 | 2020-05-22 | 东莞市德瑞精密设备有限公司 | Combined lithium battery drying jig |
| CN210952093U (en) * | 2019-10-25 | 2020-07-07 | 无锡先导智能装备股份有限公司 | Lithium battery drying device |
| CN215572035U (en) * | 2021-09-16 | 2022-01-18 | 苏州南北深科智能科技有限公司 | Automatic door mechanism for vacuum drying furnace |
-
2022
- 2022-12-27 CN CN202211680611.6A patent/CN115751863A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205192214U (en) * | 2015-11-25 | 2016-04-27 | 深圳市腾达工业自动设备有限公司 | Vacuum drying furnace |
| CN206281285U (en) * | 2016-10-09 | 2017-06-27 | 深圳市镭煜科技有限公司 | Contact lithium battery drying oven |
| EP3557167A1 (en) * | 2018-04-19 | 2019-10-23 | Dongguan Tec-Rich Engineering Co., Ltd | Active heating and drying fixture for lithium battery, and vacuum connection system for production line |
| CN210602570U (en) * | 2019-09-16 | 2020-05-22 | 东莞市德瑞精密设备有限公司 | Combined lithium battery drying jig |
| CN210952093U (en) * | 2019-10-25 | 2020-07-07 | 无锡先导智能装备股份有限公司 | Lithium battery drying device |
| CN215572035U (en) * | 2021-09-16 | 2022-01-18 | 苏州南北深科智能科技有限公司 | Automatic door mechanism for vacuum drying furnace |
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