CN216868958U

CN216868958U - Novel drying system for overspeed line

Info

Publication number: CN216868958U
Application number: CN202123448201.2U
Authority: CN
Inventors: 臧伟; 鲜斌
Original assignee: Advanced Precision Technology Co ltd
Current assignee: Contemporary Amperex Technology Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-01
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a novel overspeed line drying system which comprises a plurality of vacuum baking furnaces which are stacked and spliced, baking clamps used for placing materials and heating the materials and clamp trolleys used for placing a plurality of baking clamps which are arranged at intervals up and down, wherein each vacuum baking furnace is internally provided with a plurality of vacuum cavities which are arranged side by side and used for placing the clamp trolleys, an opening of each vacuum cavity is provided with a furnace door, and each vacuum cavity is matched with the corresponding furnace door and combined to form a sealing structure. The furnace body adopts a modularized sectional splicing combination design, so that a customer can freely increase or reduce the vacuum baking furnace according to the predicted battery output, and can transport the vacuum baking furnace to a customer site in sections, thereby effectively solving the problem that the baking furnace is too high and cannot be transported.

Description

Novel drying system for overspeed line

Technical Field

The utility model relates to the technical field of lithium battery production, in particular to a novel drying system for an overspeed line.

Background

At present, the lithium ion battery industry at home and abroad has a good development prospect, and the lithium ion battery is generally applied to portable electrical appliances such as a portable computer, a camera and mobile communication due to the unique performance advantages of the lithium ion battery. The high-capacity lithium ion battery developed at present is tried out in electric automobiles, is expected to become one of main power sources of the electric automobiles in the 21 st century, and is applied to artificial satellites, aerospace and energy storage. With the shortage of energy and the pressure in the environmental protection aspect of the world, the lithium battery is widely applied to the electric vehicle industry, and particularly the development and application of the lithium battery industry are promoted due to the appearance of the lithium iron phosphate material battery. In order to ensure high quality of lithium batteries, the production environment of each process in the production process of lithium batteries needs to be strictly controlled. In the production process of the lithium battery, the naked battery core, the pole piece, the pole coil and the battery core need to be baked and dried.

In the production process of the lithium battery, a vacuum baking furnace is generally adopted to carry out vacuum baking and drying treatment on the naked battery core, the pole piece, the pole coil and the battery core. However, the existing vacuum baking oven has a complex structure, low space utilization rate and high production cost; meanwhile, when the existing vacuum baking oven is too high, the transportation is very troublesome and even can not be carried.

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 novel drying system of an overspeed line.

The technical scheme of the utility model is as follows:

the utility model provides a new-type drying system of hypervelocity line, includes that a plurality of piles up the vacuum of concatenation and toasts the stove, be used for placing the material and right the material carries out the stoving anchor clamps that heat and be used for placing a plurality of interval from top to bottom setting toast the anchor clamps dolly of anchor clamps, each all be provided with a plurality of side by side in the vacuum toasts the stove and be used for placing the vacuum cavity of anchor clamps dolly, each vacuum cavity's opening part all is provided with an oven door, each vacuum cavity all with correspond the oven door matches and merges and form seal structure.

According to the utility model of the scheme, the vacuum cavity comprises a vacuum inner container, the outer wall of the vacuum inner container is provided with a plurality of cavity reinforcing ribs arranged at intervals, the inner wall of the vacuum inner container is provided with a first mirror reflector, trolley bearing beams for supporting the clamp trolley are arranged on two sides of the bottom wall of the vacuum inner container, and the rear end of the bottom wall of the vacuum inner container is provided with a telescopic probe mechanism for communicating the clamp trolley with an external cable.

Furthermore, a plurality of trolley positioning blocks for positioning the clamp trolley are arranged on the trolley bearing beam.

Further, flexible probe mechanism includes probe PCB board, worm gear mechanism and servo motor, servo motor pass through the magnetic current transmission seal with worm gear mechanism connects and drives worm gear mechanism, worm gear mechanism's flexible end with probe PCB board is connected and the lifting probe PCB board.

Furthermore, a vacuum gauge, a baffle valve and a pressure release valve are arranged on the back of the vacuum inner container.

Furthermore, the back of the vacuum inner container is also provided with an aviation plug for connecting an external cable.

Furthermore, a cavity sealing ring matched with the furnace door for sealing the vacuum inner container is arranged at an opening of the vacuum inner container.

According to the utility model of the scheme, each vacuum baking oven is provided with a first linear motion mechanism for driving the oven door to translate back and forth and a second linear motion mechanism for driving the oven door to translate left and right in the direction of the adjacent oven door.

Furthermore, a guide rail top plate is arranged above each furnace door, a guide rail bottom plate is arranged below each furnace door, the bottom of the guide rail top plate is provided with a first inner rail and a first outer rail, the top of the guide rail bottom plate is provided with a second inner rail corresponding to the first inner rail and a second outer rail corresponding to the first outer rail, the top of the furnace door is provided with a first left slide block and a first right slide block which are matched with the first inner track and the first outer track, a second left and right slide block matched with the second inner track and the second outer track is arranged at the bottom of the furnace door, the top of the guide rail top plate is provided with a first front and back slide block, the bottom of the guide rail bottom plate is provided with a second front and back slide block, the vacuum baking oven is provided with a first front-back sliding rail matched with the first front-back sliding block and a second front-back sliding rail matched with the second front-back sliding block.

Furthermore, the inner sides of the upper end and the lower end of the furnace door are respectively provided with the first linear motion mechanism, the first linear motion mechanism is fixed with the vacuum baking furnace, the front and back translation end of the first linear motion mechanism positioned at the upper end of the furnace door is fixed with the guide rail top plate, and the front and back translation end of the first linear motion mechanism positioned at the lower end of the furnace door is fixed with the guide rail bottom plate.

Furthermore, the second linear motion mechanism comprises a driving motor, a gear and a rack, the driving motor is fixed on the inner side of the guide rail bottom plate, the rack is fixed at the bottom of the oven door, a rotating shaft of the driving motor is connected with the gear, and the gear is meshed with the rack.

According to the utility model, the beneficial effects of the utility model are as follows:

1. the furnace body adopts a modularized sectional splicing combination design, so that a customer can freely increase or reduce the vacuum baking furnace according to the predicted battery output, and can transport the battery to a customer site in sections, thereby effectively solving the problem that the baking furnace is too high and cannot be transported;

2. the single furnace body is provided with a plurality of large cavities side by side, and a plurality of baking clamps are accommodated in the large cavities through the clamp trolley, so that the space utilization rate of the vacuum baking furnace is effectively improved, the production efficiency is high, and the cost is lower;

3. the inner push-pull type furnace door is adopted, so that the door can be opened and closed without additionally occupying the occupied area, the occupied area of the vacuum baking furnace is effectively saved, the structure is simple, the cost is lower, the furnace door is opened more reliably, and the inner push-pull type furnace door is particularly suitable for opening and closing large furnace doors.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the baking jig of the present invention placed on a jig carriage;

FIG. 3 is a schematic view of the structure of the present invention with the fixture carriage placed in the vacuum chamber;

FIG. 4 is a schematic structural view of a vacuum chamber according to the present invention;

FIG. 5 is a schematic view of another aspect of the vacuum chamber of the present invention;

FIG. 6 is a schematic connection diagram of the oven door, the first linear motion mechanism and the second linear motion mechanism according to the present invention;

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

FIG. 8 is a schematic connection diagram of another view angle of the oven door, the first linear motion mechanism and the second linear motion mechanism according to the present invention;

FIG. 9 is an enlarged view of portion B of FIG. 8;

fig. 10 is a schematic structural view of the door of the present invention.

In the context of the figures, it is,

1. a vacuum oven; 11. a vacuum chamber; 111. a vacuum inner container; 112. a cavity reinforcing rib; 113. a first mirror reflector; 114. a bogie spandrel girder; 115. a telescopic probe mechanism; 1151. a probe PCB board; 1152. a worm and gear mechanism; 1153. a servo motor; 1154. magnetic current transmission sealing body; 116. a trolley positioning block; 117. a vacuum gauge; 118. a flapper valve; 119. a cavity sealing ring; 12. a furnace door; 121. a first left and right slider; 122. a second left and right slide block; 123. a plastic door panel; 124. sealing the inner plate; 13. a first linear motion mechanism; 14. a second linear motion mechanism; 141. a drive motor; 142. a gear; 143. a rack; 15. a guide rail top plate; 151. a first inner rail; 152. a first outer rail; 153. a first front and rear slider; 16. a guide rail bottom plate; 161. a second inner rail; 162. a second outer track; 163. a second front and rear slider; 17. a first front and rear slide rail; 18. a second front and rear slide rail;

2. baking the clamp;

3. a clamp trolley;

4. and (3) feeding.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The terms "upper", "lower", "top", "bottom", "inner", "outer", etc. indicate orientations or positions based on the positions shown in the drawings, and are for convenience of description only and should not 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. The meaning of "a number" is one or more unless specifically limited otherwise.

Referring to fig. 1 to 3, the present embodiment provides a novel drying system for an overspeed line, which includes a plurality of stacked and spliced vacuum baking ovens 1, baking clamps 2 for placing materials 4 and heating the materials 4, and clamp trolleys 3 for placing a plurality of baking clamps 2 arranged at intervals up and down, wherein each vacuum baking oven 1 is provided with a plurality of vacuum cavities 11 side by side for placing the clamp trolleys 3, an opening of each vacuum cavity 11 is provided with an oven door 12, and each vacuum cavity 11 is matched with the corresponding oven door 12 to form a sealing structure. The furnace body adopts a modularized sectional splicing combination design, so that a customer can freely increase or reduce the vacuum baking furnace 1 according to the predicted battery output, and can transport the battery to a customer site in sections, thereby effectively solving the problem that the baking furnace is too high and can not be transported; and single furnace body has a plurality of big cavitys side by side, and holds a plurality of stoving anchor clamps 2 through anchor clamps dolly 3 in big cavity, and the effectual space utilization who improves vacuum baking oven 1, production efficiency is high, and the cost is lower.

Referring to fig. 3 to 5, in the present embodiment, the vacuum chamber 11 includes a vacuum liner 111, and a plurality of chamber reinforcing ribs 112 are disposed on an outer wall of the vacuum liner 111 at intervals to ensure that the vacuum chamber 11 is not deformed under high vacuum; the inner wall of the vacuum inner container 111 is provided with the first mirror surface reflecting plate 113, so that heat dissipation can be effectively prevented, the baking time of the material 4 is further shortened, and the working efficiency is higher; and trolley bearing beams 114 are arranged on two sides of the bottom wall of the vacuum inner container 111 and used for supporting the clamp trolley 3. The rear end of the bottom wall of the vacuum inner container 111 is provided with a telescopic probe mechanism 115 for communicating the clamp trolley 3 with an external cable. Telescopic probe mechanism 115 includes probe PCB board 1151, worm gear mechanism 1152 and servo motor 1153, servo motor 1153 is connected and drives servo motor 1153 through magnetic current transmission seal 1154 and worm gear mechanism 1152, worm gear mechanism 1152's flexible end is connected and lifting probe PCB board 1151 with probe PCB board 1151, make probe on the probe PCB board 1151 fully contact with the probe contact of 3 bottoms of anchor clamps dolly, thereby the intercommunication toasts anchor clamps 2 and outside cable. Meanwhile, a plurality of trolley positioning blocks for positioning the clamp trolley 3 are arranged on the trolley bearing beam 114, so that when the clamp trolley 3 is placed on the trolley bearing beam 114 through the stacker, the probe contact at the bottom of the clamp trolley 3 can be accurately contacted with the probe on the probe PCB 1151.

Furthermore, the novel drying system for the overspeed line further comprises a vacuum mechanism, wherein the vacuum mechanism comprises a plurality of vacuum pumps, and each vacuum pump is communicated with the corresponding vacuum cavity 11. Before the baking operation is started, the vacuum pump evacuates the air in the vacuum chamber 11 so that the material 4 is in a vacuum environment in the vacuum chamber 11.

Referring to fig. 5, further, a vacuum gauge 117, a flapper valve 118 and a pressure release valve are disposed on the back of the vacuum inner container 111, and the vacuum gauge 117, the flapper valve 118 and the pressure release valve cooperate with vacuum control modules such as a vacuum pump to realize vacuum environment and environment control of vacuum baking.

Furthermore, the back of the vacuum inner container 111 is also provided with an aviation plug, and the aviation plug is used for connecting an external cable.

Referring to fig. 4, further, a cavity sealing ring 119 is disposed at the opening of the vacuum inner container 111, and the cavity sealing ring 119 is matched with the oven door 12 to seal the vacuum inner container 111, so as to ensure that the vacuum of the vacuum cavity 11 is not leaked.

Referring to fig. 6 to 9, in the present embodiment, each vacuum baking oven 1 is provided with a first linear motion mechanism 13 and a second linear motion mechanism 14 for driving the oven door 12 to move back and forth. The first linear motion mechanism 13 drives the oven door 12 to move back and forth to realize the sealing and opening of the oven door 12, and simultaneously, after the oven door 12 is opened, the opened oven door 12 is staggered with the adjacent oven door 12, so that the opened oven door 12 cannot be blocked by the adjacent oven door 12 when moving in the direction of the adjacent oven door 12; the second linear motion mechanism 14 drives the opened oven door 12 to translate left and right towards the adjacent oven door 12, so as to realize the function of translating the oven door 12 left and right. By adopting the inner push-pull type furnace door 12, the opening and closing of the door can not occupy extra occupied area, the occupied area of the vacuum baking furnace 1 is effectively saved, the structure is simple, the cost is lower, the opening of the furnace door 12 is more reliable, and the inner push-pull type furnace door is particularly suitable for opening and closing the large furnace door 12.

Referring to fig. 6 to 9, further, a guide rail top plate 15 is disposed above each oven door 12, a guide rail bottom plate 16 is disposed below each oven door 12, a first inner rail 151 and a first outer rail 152 are disposed at the bottom of the guide rail top plate 15, a second inner rail 161 corresponding to the first inner rail 151 and a second outer rail 162 corresponding to the first outer rail 152 are disposed at the top of the guide rail bottom plate 16, a plurality of first left and right sliders 121 matched with the first inner rail 151 and the first outer rail 152 are disposed at the top of the oven door 12, a plurality of first left and right sliders 121 are uniformly distributed at the top of the oven door 12, a plurality of second left and right sliders 122 matched with the second inner rail 161 and the second outer rail 162 are disposed at the bottom of the oven door 12, a plurality of second left and right sliders 122 are uniformly distributed at the bottom of the oven door 12, a plurality of first front and rear sliders 153 are disposed at the top of the guide rail top plate 15, the bottom of the guide rail bottom plate 16 is provided with a plurality of second front and rear sliding blocks 163 corresponding to the first front and rear sliding blocks 153, and the vacuum baking oven 1 is provided with a plurality of first front and rear sliding rails 17 matched with the first front and rear sliding blocks 153 and a plurality of second front and rear sliding rails 18 matched with the second front and rear sliding blocks 163. Through the guide rail top plate 15 and the guide rail bottom plate 16, the oven door 12 can be more stably translated back and forth or left and right.

Referring to fig. 6 to 8, further, two first linear motion mechanisms 13 are disposed on inner sides of upper and lower ends of the oven door 12, the first linear motion mechanisms 13 are fixed to the vacuum baking oven 1, wherein a front-back translation end of the first linear motion mechanism 13 located at an upper end of the oven door 12 is fixed to the guide rail top plate 15, and a front-back translation end of the first linear motion mechanism 13 located at a lower end of the oven door 12 is fixed to the guide rail bottom plate 16. Preferably, the first linear motion mechanism 13 is a front and rear stretching cylinder. The oven door 12 is translated back and forth under the action of four stretching cylinders, namely an upper stretching cylinder and a lower stretching cylinder, so that the oven door 12 is sealed and opened, meanwhile, after the oven door 12 is opened, the opened oven door 12 is staggered with the adjacent oven door 12, and the upper first inner rail 151 and the lower second inner rail 161 of the oven door are aligned with the upper first outer rail 152 and the lower second outer rail 162 of the adjacent oven door 12, so that the opened oven door 12 can be translated towards the adjacent oven door 12.

Referring to fig. 9, further, the second linear motion mechanism 14 includes a driving motor 141, a gear 142 and a rack 143, the driving motor 141 is fixed inside the guide rail bottom plate 16, the rack 143 is fixed at the bottom of the oven door 12, a rotating shaft of the driving motor 141 is connected to the gear 142, and the gear 142 is engaged with the rack 143. When the first inner track 151 and the second inner track 161 above and below the oven door 12 are aligned with the first outer track 152 and the second outer track 162 above and below the adjacent oven door 12, the corresponding driving motor 141 of the oven door 12 drives the oven door 12 to move towards the adjacent oven door 12 through the gear 142 and the rack 143, so that the oven door 12 enters the outer track of the adjacent oven door 12 from the inner track until the position of the sensor is limited, and the oven door 12 is opened.

Referring to fig. 10, further, the oven door 12 includes a plastic door panel 123 and a closed inner panel 124, the plastic door panel 123 is light, and a plurality of longitudinal and transverse door panel reinforcing ribs are disposed on the inner side of the closed inner panel 124, so as to enhance the strength of the oven door 12 and ensure that the oven door 12 is not deformed under high vacuum; the outer side of the closed inner plate 124 is provided with a milled high-plane sealing surface, so that the sealing effect is better, and the processing is simple and convenient. Compared with the existing aluminum plate type thick door, the furnace door 12 with the arrangement has the advantages of lighter weight, good sealing effect and simplicity and convenience in processing.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the utility model as defined in the appended claims.

The utility model is described above with reference to the accompanying drawings, which are illustrative, and it is obvious that the implementation of the utility model is not limited in the above manner, and it is within the scope of the utility model to adopt various modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other fields without modification.

Claims

1. The novel overspeed line drying system is characterized by comprising a plurality of stacked and spliced vacuum baking furnaces, baking clamps used for placing materials and heating the materials and clamp trolleys used for placing the baking clamps which are arranged at intervals up and down, wherein each vacuum baking furnace is internally provided with a plurality of vacuum cavities side by side and used for placing the clamp trolleys, an opening of each vacuum cavity is provided with a furnace door, and each vacuum cavity is matched with the corresponding furnace door and forms a sealing structure.

2. The novel drying system for the overspeed line as claimed in claim 1, wherein the vacuum cavity comprises a vacuum inner container, the outer wall of the vacuum inner container is provided with a plurality of cavity reinforcing ribs arranged at intervals, the inner wall of the vacuum inner container is provided with a first mirror reflector, trolley bearing beams for supporting the clamp trolley are arranged on two sides of the bottom wall of the vacuum inner container, and a telescopic probe mechanism for communicating the clamp trolley with an external cable is arranged at the rear end of the bottom wall of the vacuum inner container.

3. The new drying system for the overspeed line of claim 2, characterized in that a plurality of trolley positioning blocks for positioning the clamp trolley are arranged on the trolley bearing beam.

4. The novel drying system for the overspeed wire is characterized in that the telescopic probe mechanism comprises a probe PCB, a worm gear mechanism and a servo motor, the servo motor is connected with the worm gear mechanism through a magnetic current transmission sealing body and drives the worm gear mechanism, and the telescopic end of the worm gear mechanism is connected with the probe PCB and lifts the probe PCB.

5. The advanced dryer system of claim 2 wherein the back of the vacuum liner is provided with a vacuum gauge and a flapper valve.

6. The novel drying system of the overspeed line of claim 2, wherein a cavity sealing ring matched with the furnace door for sealing the vacuum inner container is arranged at the opening of the vacuum inner container.

7. The overspeed line new drying system of claim 1, wherein each said vacuum baking oven is provided with a first linear motion mechanism for driving said oven door to move back and forth and a second linear motion mechanism for driving said oven door to move left and right in the direction of adjacent said oven door.

8. The novel over speed line drying system according to claim 7, wherein a guide rail top plate is arranged above each furnace door, a guide rail bottom plate is arranged below each furnace door, a first inner rail and a first outer rail are arranged at the bottom of the guide rail top plate, a second inner rail corresponding to the first inner rail and a second outer rail corresponding to the first outer rail are arranged at the top of the guide rail bottom plate, a first left slider and a second right slider matched with the first inner rail and the first outer rail are arranged at the top of the furnace door, a second left slider and a second left slider matched with the second inner rail and the second outer rail are arranged at the bottom of the furnace door, a first front slider and a first rear slider are arranged at the top of the guide rail top plate, a first front slider and a second front slider are arranged at the top of the guide rail top plate, and a second front slider and a second rear slider are arranged at the bottom of the guide rail bottom plate, the vacuum baking oven is provided with a first front-back sliding rail matched with the first front-back sliding block and a second front-back sliding rail matched with the second front-back sliding block.

9. The overspeed line new drying system of claim 8, wherein said first linear motion mechanism is disposed inside both upper and lower ends of said oven door, said first linear motion mechanism is fixed to said vacuum baking oven, wherein a front-rear translation end of said first linear motion mechanism at an upper end of said oven door is fixed to said guide rail top plate, and a front-rear translation end of said first linear motion mechanism at a lower end of said oven door is fixed to said guide rail bottom plate.

10. The advanced dryer system of claim 8, wherein said second linear motion mechanism comprises a driving motor, a gear and a rack, said driving motor is fixed on the inner side of said guide rail bottom plate, said rack is fixed on the bottom of said oven door, the rotating shaft of said driving motor is connected with said gear, said gear is engaged with said rack.