CN210374539U

CN210374539U - Anchor clamps and drying device

Info

Publication number: CN210374539U
Application number: CN201920726227.2U
Authority: CN
Inventors: 李月娃
Original assignee: Shenzhen Shancun United Industrial Co ltd
Current assignee: Shenzhen Shancun United Industrial Co ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-04-21
Anticipated expiration: 2029-05-21

Abstract

The utility model provides an anchor clamps includes the anchor clamps main part, is equipped with one or more chamber positions that are used for placing the lithium cell in the anchor clamps main part, and the material of anchor clamps main part is the metal. The clamp main body is made of metal materials, the structure is simple, and a complex combined structure of a heating plate and a probe assembly is omitted. The utility model also provides a drying device, which comprises a drying furnace and the clamp; the drying furnace comprises a drying furnace main body and an automatic door body, wherein a plurality of mutually independent vacuum drying cavity positions are arranged in the drying furnace main body, and the automatic door body is connected with the vacuum drying cavity positions in a sealing manner; the vacuum drying cavity is internally provided with at least one layer of fixture base and at least one row of fixture base, the fixture base is integrated with a heating plate, the fixture is arranged in the vacuum drying cavity and placed on the fixture base, the heating plate is in contact connection with the fixture main body, and the heating plate transfers heat to the fixture main body. Directly integrated the board that generates heat on the anchor clamps base, the board that generates heat is direct to be connected and the heat transfer with the anchor clamps main part contact of metal material.

Description

Anchor clamps and drying device

Technical Field

The utility model relates to a dry technical field of lithium cell, more specifically say, relate to an anchor clamps and drying device.

Background

In the production process of the lithium battery, a lithium battery drying furnace is needed to dry the battery shell, the pole piece, the pole coil and the battery core. The lithium battery drying furnace mainly comprises a heat radiation heating furnace, a hot air heating furnace and a contact heating furnace; radiation heating and hot air heating are basically replaced by contact heating due to the problems of poor heating uniformity, long baking period, high energy consumption and the like; the contact heating is directly in contact with the surface of the battery for the heating plate, so that the temperature uniformity is good, the baking period is short, and the contact heating is favored by battery manufacturers. However, in the prior art, contact heating is realized in a manner that a probe assembly on the surface of a heating plate of a clamp and a probe assembly on the surface of a heating plate of a drying furnace are in up-and-down pressing contact, so that poor contact is easy to occur in the contact heating, and meanwhile, the probe assembly is arranged outside and is also easily abraded to influence the contact performance and further influence the drying efficiency.

The above disadvantages need to be improved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a clamp and a drying device.

The utility model discloses technical scheme as follows:

the utility model provides an anchor clamps, includes the anchor clamps main part, be equipped with one or more chamber positions that are used for placing the lithium cell in the anchor clamps main part, the material of anchor clamps main part is the metal.

Furthermore, a shape-changing limiting block is arranged in the cavity position.

Furthermore, the side wall and the bottom of the cavity are both provided with Teflon adhesive tapes.

Further, the bottom of the clamp main body is provided with a non-metal wear-resistant strip.

Another object of the present invention is to provide a drying device, which comprises a drying oven and the above-mentioned clamp;

the drying furnace comprises a drying furnace main body and an automatic door body, wherein a plurality of mutually independent vacuum drying cavity positions are arranged in the drying furnace main body, and the automatic door body is connected with the vacuum drying cavity positions in a sealing manner;

the vacuum drying cavity is internally provided with at least one layer and at least one row of fixture bases, the fixture bases are integrated with heating plates, the fixtures are arranged in the vacuum drying cavity and placed on the fixture bases, the heating plates are in contact connection with the fixture main body, and the heating plates transfer heat to the fixture main body.

Furthermore, a sealing ring is arranged at a sealing opening of the vacuum drying cavity, and the automatic door body is connected with the vacuum drying cavity in a sealing mode through the sealing ring.

Furthermore, a position avoiding groove is arranged in the vacuum drying cavity.

Furthermore, a fixing part for precisely positioning and fixing the clamp is arranged in the vacuum drying cavity.

Furthermore, a non-metal layer is arranged on the clamp base.

Furthermore, a mirror reflector is arranged on the inner side wall of the vacuum drying cavity.

According to the above scheme the utility model provides a, the utility model provides an anchor clamps's beneficial effect lies in:

(1) the clamp provided by the utility model has the advantages that the clamp main body is made of metal material, the structure is simple, and the complex combined structure of the heating plate and the probe assembly is omitted;

(2) the utility model is convenient and fast to use, and improves the heating efficiency;

(3) a plurality of chamber positions are mutually independent, can place the lithium cell of different models.

According to the above scheme the utility model provides a drying device's beneficial effect lies in:

(1) the drying device provided by the utility model directly integrates the heating plate on the clamp base in the vacuum drying cavity, the heating plate is directly contacted and connected with the clamp main body made of metal material and transfers heat to the clamp main body, the structure is simple, and the complex extrusion contact structure of the upper probe assembly and the lower probe assembly is omitted;

(2) the drying furnace main part includes a plurality of mutually independent vacuum drying chamber positions, does not influence each other when carrying out evacuation and drying operation, has improved work efficiency.

(3) The automatic door body has an overpressure protection function, and can automatically deflate when the air pressure in the vacuum drying cavity is too high, so that the air pressure in the vacuum drying cavity is restored to an allowable range.

Drawings

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

Fig. 1 is a schematic structural view of a lithium battery placed in the clamp of the present invention;

FIG. 2 is a first schematic view of the clamp structure of the present invention;

FIG. 3 is a schematic view of the structure of the clamp of the present invention;

fig. 4 is a schematic view of the explosion structure of the clamp of the present invention;

FIG. 5 is a schematic view of the structure of the drying furnace of the present invention;

FIG. 6 is a schematic view of the main structure of the drying oven of the present invention;

FIG. 7 is an enlarged view of portion A of FIG. 6;

fig. 8 is a schematic view of the automatic door structure of the present invention.

Wherein, in the figures, the respective reference numerals:

100-a clamp;

101-a clamp body;

102-cavity site;

103-a model changing limiting block;

104-teflon rubberized fabric;

105-non-metallic wear strips;

107-positioning holes;

200-a lithium battery;

300-a drying furnace;

301-drying oven main body;

3011-vacuum drying the cavity;

3012-a heat-generating plate;

3013-avoiding groove;

3014-a fixing member;

302-automatic door body;

3021-tensioning cylinder;

3022-lifting cylinder;

3023-door body.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

Referring to fig. 1 to 4, a clamp 100 includes a clamp main body 101, wherein one or more cavities 102 for placing lithium batteries are disposed on the clamp main body 101, and the clamp main body 101 is made of metal.

The working principle of the clamp provided by the embodiment is as follows: the lithium battery 200 is placed in a cavity 102 arranged on a clamp main body 101, the lithium battery 200 is placed stably, then the clamp 100 with the lithium battery placed therein is dispatched into a drying furnace 300, the clamp main body 101 is made of metal and has good heat conduction performance, the clamp main body 101 is used for being in contact with a heating plate 3012 in the drying furnace 300, the heating plate 3012 in the drying furnace 300 can transfer heat to the clamp main body 101 made of metal, and the clamp main body 101 transfers heat to the lithium battery 200, so that the lithium battery 200 is dried; the plurality of cavity sites 102 are independent of each other, and the plurality of cavity sites 102 can be used for placing lithium batteries 200 of different models.

The beneficial effect of the anchor clamps that this embodiment provided does:

(1) the clamp 100 provided by the utility model has the advantages that the clamp main body 101 is made of metal material, the structure is simple, and the complex combined structure of the heating plate and the probe assembly is omitted;

(3) the plurality of cavity sites 102 are independent of each other and can be used for placing lithium batteries of different models.

In one embodiment, the clamp body 101 is made of aluminum. Aluminum has excellent heat conductivity and conducts heat rapidly, so that the heat transfer effect of the jig main body 101 is excellent.

It should be understood that the material of the clamp body 101 may also be other non-metal, and is not limited to the aluminum material mentioned above, and is not limited herein.

It should be understood that the number of the cavity sites 102 is not limited to the two, and may be other values, which are not limited herein.

In one embodiment, the number of cavity sites 102 is two. The two cavity sites 102 can be used for placing lithium batteries with different models.

Referring to fig. 2, in one embodiment, a mold changing stopper 103 is disposed in the cavity 102. When the lithium battery 200 model needs to be replaced in the cavity 102, the lithium batteries 200 of different models can be stably placed through the matching of the model changing limiting block 103, and the model changing limiting block 103 is convenient and quick to install, so that the lithium battery 200 model can be quickly replaced.

Referring to FIG. 2, in one embodiment, the cavity 102 has Teflon tape 104 on the sidewalls and bottom thereof. The direct lateral wall contact with anchor clamps main part 101 of lithium cell 200 has been avoided in the setting of teflon adhesive tape 104 to protected lithium cell 200 and be difficult for being damaged, and getting of lithium cell 200 is got and is put more fast, convenient.

Referring to fig. 3 and 4, in one embodiment, the bottom of the clamp body 101 is provided with a non-metallic wear strip 105. The arrangement of the non-metal wear-resistant strips 105 enables the clamp 100 not to be easily worn when the clamp runs on a clamp circulating conveying line, and meanwhile, the clamp 100 is used for being better matched with a fork clamp frame arranged on a dispatching robot, so that the clamp is more stable in the moving process.

Preferably, non-metallic wear strips 105 are provided at the edges of the bottom of the clamp body 101.

Preferably, the number of non-metallic wear strips 105 is one or more.

Preferably, the number of non-metallic wear strips 105 is four.

It should be understood that the number of the non-metallic wear strips 105 is not limited to the four, but may be other values, and is not limited herein.

Referring to fig. 3 and 4, in one embodiment, the bottom of the clamp body 101 is provided with a positioning hole 106. The positioning holes 106 are used for being matched and connected with positioning pins arranged on the drying furnace 300, so that the clamp 100 can be stably placed in the vacuum drying cavity 3011, and the clamp is simple and firm in structure and convenient to disassemble and assemble.

Preferably, the positioning holes 106 are provided at the corners of the jig main body 101.

Preferably, the number of positioning holes 106 is one or more.

Preferably, the number of positioning holes 106 is four.

Preferably, the locating holes 106 are provided on the non-metallic wear strips 105.

It should be understood that the number of the positioning holes 106 is not limited to four, and may be other values, which are not limited herein.

Referring to fig. 5 to 8, the present invention further provides a drying device, which includes a drying oven 300 and the above-mentioned clamp 100;

the drying furnace 300 comprises a drying furnace main body 301 and an automatic door body 302, wherein a plurality of mutually independent vacuum drying cavity positions 3011 are arranged in the drying furnace main body 301, and the automatic door body 302 is in sealing connection with the vacuum drying cavity positions 3011;

at least one layer and at least one row of clamp bases are arranged in the vacuum drying cavity 3011, a heating plate 3012 is integrated on the clamp base, the clamp 100 is arranged in the vacuum drying cavity 3011 and placed on the clamp base, the heating plate 3012 is in contact connection with the clamp main body 101, and the heating plate 3012 transmits heat to the clamp main body 101.

The utility model provides a drying device's theory of operation as follows:

the lithium battery 200 is placed on the clamp 100, then the clamp 100 is placed in a vacuum drying cavity 3011 arranged on the drying furnace main body 301, and after the clamp 100 is placed on a clamp base, a heating plate 3012 integrated on the clamp base is in contact with the clamp main body 101 and transfers heat to the clamp main body 101; and then, starting the automatic door body 302 to close, so that the automatic door body 302 seals the vacuum drying cavity 3011 arranged on the drying furnace main body 301, vacuumizing the independent vacuum drying cavity 3011, and drying after the vacuum drying cavity 3011 is vacuumized to be in a vacuum environment.

The utility model provides a drying furnace's beneficial effect does:

(1) the drying device provided by the utility model directly integrates the heating plate 3012 on the clamp base in the vacuum drying cavity 3011, the heating plate 3012 is directly contacted and connected with the clamp main body 101 made of metal material, and transfers heat to the clamp main body 101, the structure is simple, and the complex pressing contact structure of the upper and lower probe components is saved;

(2) the drying furnace main body 301 comprises a plurality of mutually independent vacuum drying cavity positions 3011, which are not affected each other when vacuum pumping and drying operation are performed, and working efficiency is improved.

(3) The automatic door 302 has an overpressure protection function, and can automatically release air when the air pressure in the vacuum drying cavity 3011 is too high, so that the air pressure in the vacuum drying cavity 3011 is restored to an allowable range.

In one embodiment, four layers of three columns of fixture mounts are provided in each vacuum drying cavity location 3011.

It should be understood that the vacuum drying cavity 3011 is not limited to four layers and three columns of fixture seats, and may have other values.

In one embodiment, a sealing ring (not shown, the same applies below) is disposed at a sealing port of the vacuum drying cavity 3011, and the automatic door 302 is connected to the vacuum drying cavity 3011 in a sealing manner through the sealing ring. The sealing ring is arranged to maintain a vacuum in the vacuum drying cavity 3011 for a long time.

Preferably, the sealing ring is an O-shaped sealing ring and is integrally cast and molded.

Referring to fig. 6, in one embodiment, a vacuum drying cavity 3011 is provided with a keep-off slot 3013. And a fork clamp frame arranged on the dispatching robot forks the clamp 100, dispatches the clamp 100 to the vacuum drying cavity 3011, puts the fork clamp in the avoiding groove 3013, and takes the fork clamp frame out of the avoiding groove 3013 after the clamp 100 is placed stably.

Preferably, the number of the two avoiding grooves 3013 is two, and the two avoiding grooves 3013 are disposed on two sides of the vacuum drying cavity 3011.

Referring to fig. 7, in one embodiment, a vacuum drying cavity 3011 is provided with a fixture 3014 for precisely positioning and fixing the fixture 100. The fixing component 3014 can be used to fix the clamp 100 stably on the clamp base in the vacuum drying cavity 3011 without sliding freely, thereby improving the drying efficiency.

Referring to fig. 7, the fixing elements 3014 are preferably positioning pins. The positioning pin is matched with the positioning hole 106 on the clamp 100, so that the clamp 100 can be stably fixed in the vacuum drying cavity 3011, and the structure is simple and the assembly and disassembly are convenient.

In one embodiment, a non-metallic layer is provided on the fixture base. Due to the arrangement of the non-metal layer 104, the heating plate 3012 and the clamp body 101 realize seamless contact, and the heat transfer effect is better.

Preferably, the non-metal 104 layer is a high temperature resistant silica gel.

In one embodiment, the vacuum drying cavity 3011 has a mirror reflector on its inner side. The mirror reflector is used for emitting heat radiation, and heat loss is reduced.

In one embodiment, the door body 302 is made of metal.

Preferably, the material of the automatic door body 302 is aluminum.

Referring to fig. 8, the operation of the automatic door 302 is as follows: tensioning cylinder 3021 ejection → lift cylinder 3022 retraction, door 3023 opening → clamp 100 deployment into vacuum drying cavity 3011 or removal of dried clamp 100 from vacuum drying cavity 3011 → lift cylinder 3022 ejection → tensioning cylinder 3021 retraction, door 3023 closure → auto bake → next cycle. The opening mode of the door body 3023 is automatic opening, the lifting and the front and back tensioning of the door body 3023 are realized by four cylinders, and the sealing ring is prevented from being damaged due to friction with the sealing ring in the lifting process of the door body 3023.

In one embodiment, an electric cabinet (not shown, the same applies below) is provided on the drying oven main body 301.

In one embodiment, the drying oven main body 301 is provided with an operation interface (not shown, the same applies below).

In one embodiment, the oven body 301 is provided with an air plug (not shown, the same applies below).

In one embodiment, the drying oven main body 301 is provided with a vacuum valve (not shown, the same applies below).

In one embodiment, the drying oven main body 301 is connected to an external vacuum pump unit through a vacuum pipe.

In one embodiment, a sheet metal cover (not shown, the same applies below) is provided on the outer side of the drying furnace main body 301.

In one embodiment, the bottom of the drying oven main body 301 is provided with a shield (not shown, the same applies below) for sealing the drying oven main body 301.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A clamp, characterized by: the fixture comprises a fixture main body, wherein one or more cavity positions used for placing lithium batteries are arranged on the fixture main body, a shape-changing limiting block is arranged in each cavity position, and the fixture main body is made of metal.

2. The fixture of claim 1, wherein: and the side wall and the bottom of the cavity are both provided with Teflon adhesive tapes.

3. The fixture of claim 1, wherein: and a nonmetal wear-resistant strip is arranged at the bottom of the clamp main body.

4. A drying apparatus, characterized in that: comprising a drying oven and the jig of any one of claims 1 to 3;

5. Drying apparatus according to claim 4, in which: and a sealing ring is arranged at a sealing opening of the vacuum drying cavity, and the automatic door body is connected with the vacuum drying cavity in a sealing manner through the sealing ring.

6. Drying apparatus according to claim 4, in which: and a position avoiding groove is arranged in the vacuum drying cavity.

7. Drying apparatus according to claim 4, in which: and a fixing part for precisely positioning and fixing the clamp is arranged in the vacuum drying cavity.

8. Drying apparatus according to claim 4, in which: and a non-metal layer is arranged on the clamp base.

9. Drying apparatus according to claim 4, in which: and a mirror surface reflecting plate is arranged on the inner side wall of the vacuum drying cavity.