CN211120289U

CN211120289U - Constant-temperature contact type rapid baking device

Info

Publication number: CN211120289U
Application number: CN201922179122.2U
Authority: CN
Inventors: 何勇; 程红科; 邓江帆; 贺军; 王勇军
Original assignee: Huizhou Huawei Electromechanical Equipment Co ltd
Current assignee: Huizhou Huawei Electromechanical Equipment Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-07-28
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a constant temperature contact type rapid baking device relates to baking equipment technical field. Comprises a lower mounting plate, an upper mounting plate and a connecting rod, telescopic cylinder, lower cover and upper cover, the connecting rod is equipped with two, and two connecting rod settings are installed between last mounting panel and lower mounting panel, are equipped with telescopic cylinder on the upper mounting panel, and telescopic cylinder's push rod sets up down, and the upper cover setting is between last mounting panel and lower mounting panel, telescopic cylinder with the upper cover transmission is connected, and the lower cover is installed under on the mounting panel, is equipped with first cavity in the upper cover, is equipped with the second cavity in the lower cover, is equipped with the hot plate in the first cavity, is equipped with down the hot plate in the second cavity, covers on and is equipped with first extraction opening, covers under and is equipped with the second extraction opening, and first extraction opening communicates respectively to vacuum negative pressure machine with the second extraction opening, covers under and still is equipped with nitrogen gas and fills the mouth, and nitrogen gas fills mouthful intercommunication nitrogen gas and irritates, the utility model discloses can carry out thorough stoving with the moisture.

Description

Constant-temperature contact type rapid baking device

Technical Field

The utility model belongs to the technical field of the baking equipment technique and specifically relates to a constant temperature contact type fast baking equipment is related to.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, and the lithium metal has very high requirements on the environment for processing, storage and use due to the very active chemical characteristics of the lithium metal, and the lithium battery becomes the mainstream at present along with the development of scientific technology.

If the lithium battery is a dry battery, the practical service life of the lithium battery is greatly influenced if moisture exists in the lithium battery, the lithium battery can explode seriously and even cause damage to surrounding personnel, and great potential safety hazard exists, so that the lithium battery needs to be dried in the production process of the lithium battery, and the moisture in the lithium battery is thoroughly dried, in the prior art, the patent number CN107819158A discloses an electric core baking clamp and an electric core baking method, the patent can dry the lithium battery in and out, the utility model discloses a method for baking an electric core by using a phase-change material, firstly heating and vacuumizing the electric core baking clamp with a phase-change material layer, the temperature of the clamp is maintained through the constant temperature characteristic of the phase-change material, and the electric core can be taken out after the electric core baking clamp completes the baking of the electric core, the utility model also discloses an electric core baking clamp, the clamp comprises a clamp body and a cover plate, wherein the clamp body is of a concave structure, the concave structure is divided by a partition plate to form a plurality of mutually independent electric core cavities, phase change material layers are respectively arranged in the electric core cavities and the cover plate, and the cover plate is detachably connected to the clamp body in a sealing manner, so that the phase change materials can be recycled, and the temperature in the clamp space can be kept relatively constant in the heat release process due to the characteristics of the phase change materials, so that the drying effect is better; meanwhile, the mutually independent battery cell cavities enable the battery cell baking clamp of the utility model to bake a plurality of battery cells simultaneously, thereby ensuring the baking efficiency of the battery cells; firstly, the battery core is baked through a phase change material, the evaporation rate of water in the battery core is increased in a vacuumizing mode, part of water vapor still remains around the lithium battery after the water is evaporated into the water vapor, and when the equipment stops baking, the water vapor is liquefied again and remains in the lithium battery, so that the condition of incomplete drying exists; second, this patent is fixed electric core through anchor clamps, and the rethread apron is sealed electric core, just need change corresponding anchor clamps when meetting the electric core of size difference and fix and seal electric core, and the operation is very loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a constant temperature contact rapid baking device to thoroughly technical problem inadequately when the drying device who solves among the prior art dries the lithium cell.

A constant-temperature contact type rapid baking device comprises a lower mounting plate, an upper mounting plate, two connecting rods, two telescopic cylinders, a lower cover and an upper cover, wherein the lower mounting plate is horizontally arranged, the upper mounting plate is arranged right above the lower mounting plate, the two connecting rods are arranged between the upper mounting plate and the lower mounting plate, the upper mounting plate is provided with the telescopic cylinders, push rods of the telescopic cylinders are arranged downwards, the upper cover is arranged between the upper mounting plate and the lower mounting plate, the telescopic cylinders are in transmission connection with the upper cover, the lower cover is arranged on the lower mounting plate, the upper cover is provided with a first cavity, the lower cover is provided with a second cavity, the first cavity is provided with an upper heating plate, the second cavity is provided with a lower heating plate, the upper cover is provided with a first air suction hole, and the lower cover is provided with a second air suction hole, the first air exhaust hole and the second air exhaust hole are respectively communicated to a vacuum negative pressure machine, the lower cover is further provided with a nitrogen filling port, and the nitrogen filling port is communicated with a nitrogen tank.

Further, the upside of upper cover is equipped with an regulating block, be equipped with a guide bar respectively around the regulating block, on cover and be equipped with four through-holes, four through-hole department installs a uide bushing respectively, four the guide bar passes four respectively the uide bushing, the bottom of four guide bars is equipped with on the first heat insulating board, go up the hot plate and install the bottom of first heat insulating board, four the cover is equipped with a expanding spring respectively on the guide bar, four expanding spring sets up between first heat insulating board and upper cover.

Furthermore, a circle of sealing groove is arranged at the contact position of the upper cover and the lower cover, and a circle of sealing element is arranged at the position of the lower cover corresponding to the sealing groove.

Furthermore, two sides of the upper cover are respectively provided with a movable sleeve, the middle parts of the two movable sleeves are respectively provided with a through hole, and the upper cover is sleeved on the two connecting rods through the movable sleeves.

Furthermore, a second heat insulation plate is arranged on the lower heating plate and the lower cover support, and heat generated by the lower heating plate can be blocked in a second cavity through the second heat insulation plate.

Compared with the prior art, the utility model has the advantages that:

one, the utility model is provided with an upper mounting plate and a lower mounting plate, the lower mounting plate is provided with a lower cover, the upper mounting plate is provided with a telescopic cylinder, an upper cover is arranged between the upper mounting plate and the lower cover, the upper cover is driven by the telescopic cylinder to vertically move up and down, a lithium battery is placed on the lower cover when in use, the telescopic cylinder is started to drive the upper cover to descend, so that the upper cover and the lower cover wrap the lithium battery, the lower end surface of the upper cover is provided with an upper heating plate, the upper end surface of the lower cover is provided with a lower heating plate, the lithium battery is heated in a constant temperature contact way by the upper heating plate and the lower heating plate, the upper cover and the lower cover are respectively provided with a first air exhaust hole and a second air exhaust hole, air around the lithium battery is pumped away through the first air exhaust hole and the second air exhaust hole, so as to reduce the air pressure, the boiling point of water is, be equipped with the nitrogen and dash the entry under covering, dash the entry through the nitrogen and dash and pour into nitrogen gas around to the lithium cell, utilize nitrogen gas to be dry gas's characteristic, further get rid of the moisture content in the lithium cell, through the evacuation with fill the inside moisture content of lithium cell of several times of operation of nitrogen gas and thoroughly get rid of to this effectively solve among the prior art with drying device when drying to the lithium cell thorough technical problem inadequately.

Secondly, the utility model is provided with an adjusting block at the upper side of the upper cover, a guide rod is respectively arranged around the adjusting block, the upper cover is provided with four through holes, a guide sleeve is respectively arranged at the four through holes, the four guide rods respectively penetrate through the four guide sleeves, the bottoms of the four guide rods are provided with a first heat insulation plate, the upper heating plate is arranged at the bottom of the first heat insulation plate, the four guide rods are respectively sleeved with a telescopic spring, the four telescopic springs are arranged between the first heat insulation plate and the upper cover, when in use, the lithium battery is placed on the lower heating plate, through setting up guide bar, uide bushing and expanding spring and mutually supporting, make and go up the hot plate and can be in the state of tightening, make and go up the hot plate and can adjust according to the thickness of lithium cell is automatic when meetting the lithium cell of different thickness, make the utility model discloses still can carry out drying work to it when can handling not unidimensional lithium cell.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front view of the upper cover and the lower cover of the present invention after being cut open;

FIG. 3 is a front view of the upper cover and the lower cover of the present invention assembled together;

FIG. 4 is a cross-sectional view of the upper and lower covers of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 3;

FIG. 6 is an enlarged view of the structure at B in FIG. 4;

reference numerals: the device comprises a lower mounting plate 1, an upper mounting plate 2, a connecting rod 3, a telescopic cylinder 4, a lower cover 5, a second cavity 51, a lower heating plate 52, a second air suction hole 53, a nitrogen gas filling port 54, an upper cover 6, a first cavity 61, an upper heating plate 62, a first air suction hole 63, a movable sleeve 64, an adjusting block 7, a guide rod 71, a guide sleeve 72, a telescopic spring 73, a first heat insulation plate 8, a second heat insulation plate 81, a sealing groove 9 and a sealing element 91.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A constant-temperature contact type rapid baking device comprises a lower mounting plate 1, an upper mounting plate 2, connecting rods 3, telescopic cylinders 4, a lower cover 5 and an upper cover 6, wherein the lower mounting plate 1 is horizontally arranged, the upper mounting plate 2 is arranged right above the lower mounting plate 1, the connecting rods 3 are arranged in two, the two connecting rods 3 are arranged between the upper mounting plate 2 and the lower mounting plate 1, the upper mounting plate 2 and the lower mounting plate 1 are fixedly connected through the connecting rods 3, the upper mounting plate 2 is provided with the telescopic cylinders 4, push rods of the telescopic cylinders 4 are arranged downwards, the upper cover 6 is arranged between the upper mounting plate 2 and the lower mounting plate 1, the telescopic cylinders 4 are in transmission connection with the upper cover 6, the lower cover 5 is arranged on the lower mounting plate 1, when ejector rods of the telescopic cylinders 4 extend, the upper cover 6 is ejected out by the telescopic cylinders 4 and vertically moves downwards to enable the upper cover 6 and the lower cover 5 to be in contact with each other, the upper cover 6 is provided with a first cavity 61, the lower cover 5 is provided with a second cavity 51, the first cavity 61 is provided with an upper heating plate 62, the second cavity 51 is provided with a lower heating plate 52, and the function of the upper heating plate 62 and the lower heating plate 52 heating and baking the lithium battery to dry the moisture on the lithium battery is that the upper cover 6 is provided with a first air extraction hole 63, the lower cover 5 is provided with a second air extraction hole 53, the first air extraction hole 63 and the second air extraction hole 53 are respectively communicated with a vacuum negative pressure machine, the function is that when the upper cover 6 is buckled on the lower cover 5, the first cavity 61 and the second cavity 51 form a sealed whole, the first air extraction hole 63 and the second air extraction hole 53 are arranged, the first air extraction hole 63 and the second air extraction hole 53 are communicated with the vacuum negative pressure machine, and the air in the first cavity 61 and the second cavity 51 is extracted by the vacuum negative pressure machine, still be equipped with nitrogen gas on the lower cover 5 and fill the mouth 54, nitrogen gas fills the mouth 54 intercommunication nitrogen gas and irritates, makes the nitrogen gas jar fill in can filling the mouth 54 through nitrogen gas and filling the mouth to carrying out nitrogen gas and filling, and its effect lies in, when upper cover 6 spiral-lock was on lower cover 5, because the density of nitrogen gas is greater than the air, so fill the mouth 54 with nitrogen gas and set up on lower cover 5, rise into first cavity 61 after nitrogen gas fills in second cavity 51 in to make nitrogen gas can be quick full of first cavity 61 and second cavity 51, because nitrogen gas is dry gas, utilize the steam that nitrogen gas evaporates in first cavity 61 and the second cavity 51 to get rid of, thereby realize dry effect.

The working process of the utility model, when in use, firstly, the lithium battery is placed on the lower heating plate 52, the telescopic cylinder 4 is started, the upper cover 6 is driven to move downwards by the telescopic cylinder 4, the upper cover 6 is buckled on the lower cover 5, the first cavity 61 and the second cavity 51 are combined into a sealed integral cavity, the vacuum negative pressure machine is started to draw out the gas in the first cavity 61 and the second cavity 51, the air pressure in the first cavity 61 and the second cavity 51 is reduced, the boiling point of water is synchronously reduced after the air pressure is reduced, the lithium battery is heated by the upper heating plate 62 and the lower heating plate 52, the moisture in the lithium battery is rapidly dried and gasified, the nitrogen tank is opened, the nitrogen is filled into the second cavity 51 from the nitrogen filling port 54, the moisture in the first cavity 61 and the second cavity 51 is brought out by the characteristic that the nitrogen is dry gas, the moisture drying effect is prevented from being influenced by the lithium battery again, when the lithium battery is dried, the ejector rod on the telescopic cylinder 4 is retracted, the upper cover 6 is separated from the lower cover 5, and the lithium battery is taken out from the lower heating plate 52 at the moment to complete drying of the lithium battery.

Preferably, an adjusting block 7 is arranged on the upper side of the upper cover 6, a guide rod 71 is arranged around the adjusting block 7, four through holes are formed in the upper cover 6, a guide sleeve 72 is arranged at each of the four through holes, the four guide rods 71 penetrate through the four guide sleeves 72, a first heat insulation plate 8 is arranged at the bottom of each of the four guide rods 71, the upper heating plate 62 is arranged at the bottom of the first heat insulation plate 8, heat generated by the upper heating plate 62 is blocked by arranging the first heat insulation plate 8, heat dissipation is reduced, waste is caused, the upper heating plate 62 can vertically move by mutually matching the arranged guide rods 71 and the guide sleeves 72, a telescopic spring 73 is sleeved on each of the four guide rods 71, and the four telescopic springs 73 are arranged between the first heat insulation plate 8 and the upper cover 6, through four expanding spring 73 struts first heat insulating board 8 downwards, and its effect lies in, mutually supports through setting up guide bar 71, uide bushing 72 and expanding spring 73, makes and goes up hot plate 62 and can be in the state of tightening, makes and go up hot plate 62 and can adjust according to the thickness of lithium cell is automatic when meetting the lithium cell of different thickness, has increased the utility model discloses an application scope.

Preferably, be equipped with round seal groove 9 with the contact position department of lower cover 5 in the upper cover 6, the position department that corresponds with seal groove 9 in the lower cover 5 is equipped with round sealing member 91, works as when upper cover 6 descends and lower cover 5 contacts each other, sealing member 91 is in seal groove 9, mutually supports through sealing member 91 and seal groove 9 and makes upper cover 6 and lower cover 5 inside have fine leakproofness, makes the vacuum negative pressure machine to bleed and aerify the phenomenon that can not cause gas leakage with the nitrogen gas jar in to first cavity 61 and second cavity 51, reduces the waste of resource, increases the efficiency of equipment.

Preferably, the both sides of upper cover 6 are equipped with one movable sleeve 64 respectively, two the middle part of movable sleeve 64 is equipped with a through-hole respectively, upper cover 6 is in two through-hole suit on the movable sleeve 64 on the connecting rod 3, its effect lies in, through two movable sleeves 64 that set up and two connecting rod 3 mutually supports to limit upper cover 6 to be vertical motion under telescopic cylinder 4's drive, prevent that upper cover 6 from buckling and causing the damage at the removal in-process.

Preferably, lower hot plate 52 and lower cover 5 support are equipped with second heat insulating board 81, can prevent heat transfer to equipment shell in the heat separation that lower hot plate 52 produced in second cavity 51 through second heat insulating board 81, make operating personnel mistake touch the shell easily and cause the scald, reduce thermal loss simultaneously, increase the efficiency of equipment.

A constant-temperature contact type rapid baking process comprises the following steps:

s1, heating the upper heating plate 62 and the lower heating plate 52 to 60-120 ℃ at constant temperature, and drying the water on the capacitor through the upper heating plate 62 and the lower heating plate 52;

s2, placing a capacitor between the upper cover 6 and the lower cover 5;

s3: the upper cover 6 descends to contact with the lower cover 5, so that a closed cavity is formed between the upper cover 6 and the lower cover 5;

s4: the capacitor is heated between upper heating plate 62 and lower heating plate 52 in a contact manner for 2-8 minutes;

s5: vacuumizing to 150pa to remove water for 1-2 minutes, reducing the air pressure in the cavity between the upper cover 6 and the lower cover 5, reducing the boiling point of water in the cavity, accelerating the evaporation of water in the capacitor, and simultaneously pumping out the water in the empty cavity;

s6: filling nitrogen for 2-5 seconds, and removing water evaporated in the capacitor by using the characteristic of using the nitrogen as a dry gas;

s7: the capacitor is heated between the upper heating plate 62 and the lower heating plate 52 in a contact way for 2-8 minutes, and the moisture on the capacitor is dried through the upper heating plate 62 and the lower heating plate 52 again;

s8: vacuumizing to 150pa to remove water for 90-120 seconds;

s9: filling nitrogen for 2-5 seconds;

s10: loop S7, S8, S9;

s11: the upper cover 6 rises to be separated from the lower cover 5;

s12: and taking out the dried capacitor.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The constant-temperature contact type rapid baking device is characterized by comprising a lower mounting plate (1), an upper mounting plate (2), connecting rods (3), telescopic cylinders (4), a lower cover (5) and an upper cover (6), wherein the lower mounting plate (1) is horizontally arranged, the upper mounting plate (2) is arranged right above the lower mounting plate (1), the number of the connecting rods (3) is two, the two connecting rods (3) are arranged and installed between the upper mounting plate (2) and the lower mounting plate (1), the telescopic cylinders (4) are arranged on the upper mounting plate (2), push rods of the telescopic cylinders (4) are arranged downwards, the upper cover (6) is arranged between the upper mounting plate (2) and the lower mounting plate (1), the telescopic cylinders (4) are in transmission connection with the upper cover (6), the lower cover (5) is installed on the lower mounting plate (1), the vacuum negative pressure machine is characterized in that a first cavity (61) is arranged in the upper cover (6), a second cavity (51) is arranged in the lower cover (5), an upper heating plate (62) is arranged in the first cavity (61), a lower heating plate (52) is arranged in the second cavity (51), a first air suction hole (63) is formed in the upper cover (6), a second air suction hole (53) is formed in the lower cover (5), the first air suction hole (63) and the second air suction hole (53) are communicated to the vacuum negative pressure machine respectively, a nitrogen filling port (54) is further formed in the lower cover (5), and the nitrogen filling port (54) is communicated with nitrogen to fill.

2. The constant-temperature contact type rapid baking device according to claim 1, wherein an adjusting block (7) is arranged on the upper side of the upper cover (6), a guide rod (71) is arranged around the adjusting block (7), four through holes are arranged on the upper cover (6), a guide sleeve (72) is arranged at each of the four through holes, four guide rods (71) respectively penetrate through the four guide sleeves (72), the bottom of each of the four guide rods (71) is provided with a first heat insulation plate (8), the upper heating plate (62) is arranged at the bottom of the first heat insulation plate (8), a telescopic spring (73) is sleeved on each of the four guide rods (71), and the four telescopic springs (73) are arranged between the first heat insulation plate (8) and the upper cover (6).

3. A contact-type rapid thermal toasting apparatus as claimed in claim 1, wherein said upper cover (6) has a sealing groove (9) at the contact position with the lower cover (5), and said lower cover (5) has a sealing ring (91) at the position corresponding to the sealing groove (9).

4. The contact type rapid toasting device with constant temperature according to claim 1 characterized in that two movable sleeves (64) are respectively arranged on two sides of the upper cover (6), a through hole is respectively arranged on the middle parts of the two movable sleeves (64), and the upper cover (6) is arranged on the two connecting rods (3) through the movable sleeves (64).

5. A contact-type rapid toasting apparatus according to claim 1 characterized in that the lower plate (52) and the lower cover (5) support are provided with a second heat shield (81) by means of which second heat shield (81) the heat generated by the lower plate (52) can be blocked in the second cavity (51).