CN117359920A - Wet process lithium battery diaphragm transverse drawing shrinkage shaping device - Google Patents

Wet process lithium battery diaphragm transverse drawing shrinkage shaping device Download PDF

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Publication number
CN117359920A
CN117359920A CN202311671618.6A CN202311671618A CN117359920A CN 117359920 A CN117359920 A CN 117359920A CN 202311671618 A CN202311671618 A CN 202311671618A CN 117359920 A CN117359920 A CN 117359920A
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CN
China
Prior art keywords
lithium battery
support
outer plate
battery diaphragm
shrinkage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311671618.6A
Other languages
Chinese (zh)
Inventor
袁海朝
徐锋
杜鹏宇
李明生
唐春强
陈紫文
巩谦谦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Dg Membrane Co ltd
Original Assignee
Tianjin Dg Membrane Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Dg Membrane Co ltd filed Critical Tianjin Dg Membrane Co ltd
Priority to CN202311671618.6A priority Critical patent/CN117359920A/en
Publication of CN117359920A publication Critical patent/CN117359920A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/08Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique transverse to the direction of feed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/16Cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C2035/0283Thermal pretreatment of the plastics material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/16Cooling
    • B29C2035/1616Cooling using liquids

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hybrid Cells (AREA)

Abstract

One or more embodiments of the present disclosure provide a wet lithium battery diaphragm transverse drawing shrinkage shaping device, including a stretching structure and a shrinkage mechanism; the stretching structure comprises a support assembly and a group of heating assemblies; the support assembly comprises a support platform, an outer plate, an inner frame and a support frame, wherein the inner frame is arranged on two sides of the support platform, and the outer plate is arranged on two sides of the inner frame; the middle part of the outer plate is rotatably provided with a first roller through a shaft lever; still install three second gyro wheels of group through the pivot rotation on the planking, set up driving belt outward the second gyro wheel, the output power difference of two sets of first motors is 0.8:1, a step of; in the process of spraying magnetized water, the partition wall is effectively cooled under the action of the magnetized water, and meanwhile, the stability and the integrity of materials in the cooling shrinkage process are enhanced under the action of the magnetized water in the cooling process, so that the condition that wire drawing or forming is unstable in the prior art is avoided.

Description

Wet process lithium battery diaphragm transverse drawing shrinkage shaping device
Technical Field
One or more embodiments of the present disclosure relate to the field of battery separator processing technologies, and in particular, to a wet method lithium battery separator transverse pulling shrinkage shaping device.
Background
The ion conduction capability of the battery diaphragm is directly related to the overall performance of the battery, and the function of isolating the anode and the cathode can limit the rise of current under the condition of overcharge or temperature rise of the battery, prevent explosion caused by short circuit of the battery, have the function of micropore self-closing protection and play a role in protecting the safety of battery users and equipment.
The dry method is to melt, extrude and blow film polyolefin resin to prepare crystalline polymer film, and then to crystallize and anneal to obtain highly oriented multilayer structure, and then to stretch the film further at high temperature to strip off the crystallization interface to form porous structure, which can increase the aperture of the film. The dry method has two modes of unidirectional stretching and bidirectional stretching.
The wet process is also called phase separation or thermal phase separation, which is to mix liquid hydrocarbon or some micromolecular substances with polyolefin resin, heat and melt to form a uniform mixture, cool down to perform phase separation, press to obtain a membrane, heat the membrane to a temperature close to the melting point, perform biaxial stretching to orient molecular chains, and finally keep the temperature for a certain time, and elute residual solvent with volatile substances to prepare the microporous membrane material which is mutually communicated.
In the prior art, the wet processing process belongs to the current mainstream process, however, the processing process is not perfect enough in the prior art when the stretching process is used, the situation such as fracture and the like often occurs after shrinkage, and the use effect of wiredrawing possibly occurs when cooling and drying, so that the requirements of the prior art cannot be met.
Disclosure of Invention
In view of this, one or more embodiments of the present disclosure are directed to a wet-process lithium battery separator transverse-pulling shrinkage shaping device, so as to solve the problem of inconvenient cooling shrinkage and stretching processes in the prior art.
In view of the above, one or more embodiments of the present disclosure provide a wet-process lithium battery separator transversal-stretching, shrinking and shaping device, which includes a stretching structure and a shrinking mechanism.
The stretching structure comprises a support assembly and a group of heating assemblies;
the support assembly comprises a support platform, an outer plate, an inner frame and support frames, wherein the inner frame is arranged on two sides of the support platform, the outer plate is arranged on two sides of the inner frame, and three groups of support frames are arranged below the inner frame;
the middle part of the outer plate is rotatably provided with a first roller through a shaft lever, one end of the shaft lever is fixedly arranged with the output end of a first motor, and the first motor is arranged on the outer plate through a motor bracket;
still install three second gyro wheels of group through the pivot rotation on the planking, set up driving belt outward the second gyro wheel, the output power difference of two sets of first motors is 0.8:1, a step of;
one side of the stretching structure is also provided with a contraction mechanism, and the contraction mechanism is correspondingly provided with a spraying mechanism.
Wherein, through the cooperation of drenching the mechanism, the result of use and purpose that the cooling contracted more steadily when using have been strengthened greatly when using.
Preferably, the heating assembly further comprises: the top plate is arranged above the outer plate, the electric auxiliary hot plate is arranged on the lower surface of the top plate, and a gap is reserved between the electric auxiliary hot plate and the diaphragm.
Preferably, the support assembly further comprises: the extension frame is of an L-shaped structure, a support column is arranged at one end of the extension frame close to the extension frame, and mounting rods are arranged on the extension frames at two sides of the support column;
wherein, the installation pole and the extension frame are all composed of round tubes.
Preferably, the spraying mechanism comprises: the liquid chamber, the liquid chamber is installed to the support column below, and the strong magnetic pipe is installed respectively and is connected with the water pipe to liquid chamber upper surface both sides, the water pipe is provided with strong magnetic ring outward.
Preferably, the spraying mechanism further comprises: the waterproof board is arranged in the middle of the lower surface of the liquid cavity, a water leakage hole is formed in the middle of the waterproof board, and a water baffle is arranged in the water leakage hole.
Preferably, the retraction mechanism includes: guard plate, third gyro wheel and second motor, the guard plate is installed to the installation pole bottom, third gyro wheel is installed through the power take off end of second motor to guard plate one side, and the second motor passes through motor support to be fixed on the guard plate.
Preferably, an auxiliary wheel is rotatably arranged below the protection plate through the extension frame and the rotating shaft, and the auxiliary wheel and the third roller are correspondingly arranged;
wherein, the rotation ratio of the two groups of third rollers to the two groups of first rollers is 0.8 respectively: 1:1:0.995.
the transmission process of 0.8-1 realizes the effective stretching effect when the device is used, and the transmission ratio of the device is more convenient to adjust;
in addition, the process of 1-1 belongs to a normal transmission process, the process of 1:0.995 is adopted to shrink, and auxiliary magnetized water is adopted to greatly reduce the electronic active state of the diaphragm in the heated state during use, so that the yield of the diaphragm is enhanced, and the blocking effect during use is enhanced.
In the process of cooling shrinkage, the purpose is to release the stress in the material process in the heating and cooling forming process, stress pulling between materials can be caused in the stress release process due to the rapid cooling process, a large amount of wiredrawing and even fracture can be generated in the pulling process, and the adsorption strength of connection between cations and anions between substances is increased under the action of strong magnetic water when a diaphragm is released in the cooling process under the action of the strong magnetic water, so that stronger intermolecular acting force is generated under the action of the strong magnetic water, and the condition that wiredrawing or fracture occurs when a diaphragm is released in the use process is reduced.
Preferably, the retraction mechanism further comprises: the recovery cavity is positioned right below the two groups of third rollers and fixedly installed with the extension frame through the upright post.
The cooling water is convenient to recycle through the arrangement of the recycling cavity when in use, and the recycling effect is achieved after the cooling water is filtered, so that the resource waste is reduced.
Preferably, the water adopted by the spraying mechanism is purified water, and the purified water is subjected to strong magnetic field treatment to form magnetized water before being conveyed.
Wherein, through the setting of cooperation strong magnetic water when using, strengthened the effect to the more stable performance of diaphragm.
As can be seen from the foregoing, according to one or more embodiments of the present disclosure, a wet lithium battery diaphragm transverse drawing, shrinking and shaping device is provided, through the arrangement of a drawing structure, when two groups of first motors are arranged and through the arrangement of electric auxiliary heating plates, effective heating is performed during the drawing, and during the heating, the situation that the diaphragm is effectively drawn during the use and prevented from being broken is greatly realized during the use, and during the process of entering shrinkage, the effect of rapid cooling of materials is effectively enhanced through the magnetized water and the process of spraying;
in the process of spraying magnetized water, the partition wall is effectively cooled under the action of the magnetized water, and meanwhile, the stability and the integrity of materials in the cooling shrinkage process are enhanced under the action of the magnetized water in the cooling process, so that the condition that wire drawing or forming is unstable in the prior art is avoided.
Drawings
For a clearer description of one or more embodiments of the present description or of the solutions of the prior art, the drawings that are necessary for the description of the embodiments or of the prior art will be briefly described, it being apparent that the drawings in the description below are only one or more embodiments of the present description, from which other drawings can be obtained, without inventive effort, for a person skilled in the art.
FIG. 1 is a schematic overall perspective view of the present specification;
FIG. 2 is a schematic overall sectional view of the present specification;
FIG. 3 is a schematic cross-sectional view of the area of FIG. 2A of the present specification;
FIG. 4 is a schematic view of the retraction mechanism of the present disclosure;
fig. 5 is a schematic drawing of the stretching structure of the present specification.
In the figure: 1. a support platform; 11. an inner frame; 12. an outer plate; 13. a first motor; 14. a support frame; 15. a top plate; 16. an extension frame; 17. a support column; 18. a drive belt; 19. a first roller; 110. a second roller; 111. an electric auxiliary heating plate; 112. a mounting rod; 2. a liquid chamber; 21. a ferromagnetic tube; 22. a waterproof board; 23. a water leakage hole; 24. a water baffle; 3. a protection plate; 31. a third roller; 32. an auxiliary wheel; 33. an extension frame; 34. a second motor; 35. and (5) recovering the cavity.
Detailed Description
For the purposes of promoting an understanding of the principles and advantages of the disclosure, reference will now be made in detail to the following specific examples.
It is noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present disclosure should be taken in a general sense as understood by one of ordinary skill in the art to which the present disclosure pertains. The use of the terms "first," "second," and the like in one or more embodiments of the present description does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Embodiment one:
as shown in fig. 1-5: the utility model provides a wet lithium battery diaphragm transverse drawing shrink setting device, including stretching structure and shrink mechanism.
The stretching structure comprises a support assembly and a group of heating assemblies;
the support assembly comprises a support platform 1, an outer plate 12, an inner frame 11 and support frames 14, wherein the inner frame 11 is arranged on two sides of the support platform 1, the outer plate 12 is arranged on two sides of the inner frame 11, and three groups of support frames 14 are arranged below the inner frame 11;
the middle part of the outer plate 12 is rotatably provided with a first roller 19 through a shaft lever, one end of the shaft lever is fixedly arranged with the output end of a first motor 13, and the first motor 13 is arranged on the outer plate 12 through a motor bracket;
wherein, through the setting of two sets of first motors 13 when using, the result of use and purpose that its is used in stretching more effectively have been realized.
Three groups of second rollers 110 are rotatably mounted on the outer plate 12 through rotating shafts, a transmission belt 18 is arranged outside the second rollers 110, and the output power difference of the two groups of first motors 13 is 0.8:1, a step of;
one side of the stretching structure is also provided with a contraction mechanism, and the contraction mechanism is correspondingly provided with a spraying mechanism.
Wherein, through the cooperation of drenching the mechanism, the result of use and purpose that the cooling contracted more steadily when using have been strengthened greatly when using.
The water adopted by the spraying mechanism is purified water, and the purified water is subjected to strong magnetic field treatment to form magnetized water before being conveyed.
In the process of cooling shrinkage, the purpose is to release the stress in the material process in the heating and cooling forming process, stress pulling between materials can be caused in the stress release process due to the rapid cooling process, a large amount of wiredrawing and even fracture can be generated in the pulling process, and the adsorption strength of connection between cations and anions between substances is increased under the action of strong magnetic water when a diaphragm is released in the cooling process under the action of the strong magnetic water, so that stronger intermolecular acting force is generated under the action of the strong magnetic water, and the condition that wiredrawing or fracture occurs when a diaphragm is released in the use process is reduced.
Wherein, through the setting of cooperation strong magnetic water when using, strengthened the effect to the more stable performance of diaphragm.
The heating assembly further comprises: the top plate 15 is arranged above the outer plate 12, the electric auxiliary heat plate 111 is arranged on the lower surface of the top plate 15, and a gap is reserved between the electric auxiliary heat plate 111 and the diaphragm.
Wherein, the effect of the effective heating of the diaphragm is enhanced when the diaphragm is used through the arrangement of the electric auxiliary heating plate 111.
The support assembly further comprises: the extension frame 16 is in an L-shaped structure, a support column 17 is arranged at one end of the extension frame 16 close to the extension frame 16, and mounting rods 112 are arranged on the extension frames 16 at two sides of the support column 17;
wherein, the mounting rod 112 and the extension frame 16 are both formed by circular tubes.
Wherein, when in use, the effect of carrying out the subsequent structure of fixed installation is realized through the cooperation of the extension frame 16 and the mounting rod 112.
Embodiment two:
as shown in fig. 1-5: the utility model provides a wet lithium battery diaphragm transverse drawing shrink setting device, including stretching structure and shrink mechanism.
The stretching structure comprises a support assembly and a group of heating assemblies;
the support assembly comprises a support platform 1, an outer plate 12, an inner frame 11 and support frames 14, wherein the inner frame 11 is arranged on two sides of the support platform 1, the outer plate 12 is arranged on two sides of the inner frame 11, and three groups of support frames 14 are arranged below the inner frame 11;
the middle part of the outer plate 12 is rotatably provided with a first roller 19 through a shaft lever, one end of the shaft lever is fixedly arranged with the output end of a first motor 13, and the first motor 13 is arranged on the outer plate 12 through a motor bracket;
wherein, through the setting of two sets of first motors 13 when using, the result of use and purpose that its is used in stretching more effectively have been realized.
Three groups of second rollers 110 are rotatably mounted on the outer plate 12 through rotating shafts, a transmission belt 18 is arranged outside the second rollers 110, and the output power difference of the two groups of first motors 13 is 0.8:1, a step of;
one side of the stretching structure is also provided with a contraction mechanism, and the contraction mechanism is correspondingly provided with a spraying mechanism.
Wherein, through the cooperation of drenching the mechanism, the result of use and purpose that the cooling contracted more steadily when using have been strengthened greatly when using.
The water adopted by the spraying mechanism is purified water, and the purified water is subjected to strong magnetic field treatment to form magnetized water before being conveyed.
Wherein, through the setting of cooperation strong magnetic water when using, strengthened the effect to the more stable performance of diaphragm.
The heating assembly further comprises: the top plate 15 is arranged above the outer plate 12, the electric auxiliary heat plate 111 is arranged on the lower surface of the top plate 15, and a gap is reserved between the electric auxiliary heat plate 111 and the diaphragm.
Wherein, the effect of the effective heating of the diaphragm is enhanced when the diaphragm is used through the arrangement of the electric auxiliary heating plate 111.
The support assembly further comprises: the extension frame 16 is in an L-shaped structure, a support column 17 is arranged at one end of the extension frame 16 close to the extension frame 16, and mounting rods 112 are arranged on the extension frames 16 at two sides of the support column 17;
wherein, the mounting rod 112 and the extension frame 16 are both formed by circular tubes.
Wherein, when in use, the effect of carrying out the subsequent structure of fixed installation is realized through the cooperation of the extension frame 16 and the mounting rod 112.
The spraying mechanism comprises: the liquid chamber 2, liquid chamber 2 is installed to the support column below, and strong magnetic pipe 21 and with water piping connection are installed respectively to liquid chamber 2 upper surface both sides, the water piping is provided with strong magnetic ring outward.
Wherein, through the cooperation of the strong magnetic tube 21, the effect of magnetism is not reduced when magnetized water is conveyed.
The spraying mechanism further comprises: the waterproof board 22, waterproof board 22 is set up in the middle part of the lower surface of liquid chamber 2, waterproof board 22 middle part department has seted up water leakage hole 23, set up breakwater 24 in the water leakage hole 23.
Wherein, set up breakwater and corresponding structure for it is both sides simultaneous discharge when flowing water, thereby has strengthened its cooling effect when using and coverage area.
Embodiment III:
as shown in fig. 1-5: the utility model provides a wet lithium battery diaphragm transverse drawing shrink setting device, including stretching structure and shrink mechanism.
The stretching structure comprises a support assembly and a group of heating assemblies;
the support assembly comprises a support platform 1, an outer plate 12, an inner frame 11 and support frames 14, wherein the inner frame 11 is arranged on two sides of the support platform 1, the outer plate 12 is arranged on two sides of the inner frame 11, and three groups of support frames 14 are arranged below the inner frame 11;
the middle part of the outer plate 12 is rotatably provided with a first roller 19 through a shaft lever, one end of the shaft lever is fixedly arranged with the output end of a first motor 13, and the first motor 13 is arranged on the outer plate 12 through a motor bracket;
wherein, through the setting of two sets of first motors 13 when using, the result of use and purpose that its is used in stretching more effectively have been realized.
Three groups of second rollers 110 are rotatably mounted on the outer plate 12 through rotating shafts, a transmission belt 18 is arranged outside the second rollers 110, and the output power difference of the two groups of first motors 13 is 0.8:1, a step of;
one side of the stretching structure is also provided with a contraction mechanism, and the contraction mechanism is correspondingly provided with a spraying mechanism.
Wherein, through the cooperation of drenching the mechanism, the result of use and purpose that the cooling contracted more steadily when using have been strengthened greatly when using.
The water adopted by the spraying mechanism is purified water, and the purified water is subjected to strong magnetic field treatment to form magnetized water before being conveyed.
Wherein, through the setting of cooperation strong magnetic water when using, strengthened the effect to the more stable performance of diaphragm.
The heating assembly further comprises: the top plate 15 is arranged above the outer plate 12, the electric auxiliary heat plate 111 is arranged on the lower surface of the top plate 15, and a gap is reserved between the electric auxiliary heat plate 111 and the diaphragm.
Wherein, the effect of the effective heating of the diaphragm is enhanced when the diaphragm is used through the arrangement of the electric auxiliary heating plate 111.
The support assembly further comprises: the extension frame 16 is in an L-shaped structure, a support column 17 is arranged at one end of the extension frame 16 close to the extension frame 16, and mounting rods 112 are arranged on the extension frames 16 at two sides of the support column 17;
wherein, the mounting rod 112 and the extension frame 16 are both formed by circular tubes.
Wherein, when in use, the effect of carrying out the subsequent structure of fixed installation is realized through the cooperation of the extension frame 16 and the mounting rod 112.
The spraying mechanism comprises: the liquid chamber 2, liquid chamber 2 is installed to the support column below, and strong magnetic pipe 21 and with water piping connection are installed respectively to liquid chamber 2 upper surface both sides, the water piping is provided with strong magnetic ring outward.
Wherein, through the cooperation of the strong magnetic tube 21, the effect of magnetism is not reduced when magnetized water is conveyed.
The spraying mechanism further comprises: the waterproof board 22, waterproof board 22 is set up in the middle part of the lower surface of liquid chamber 2, waterproof board 22 middle part department has seted up water leakage hole 23, set up breakwater 24 in the water leakage hole 23.
Wherein, set up breakwater and corresponding structure for it is both sides simultaneous discharge when flowing water, thereby has strengthened its cooling effect when using and coverage area.
The retraction mechanism includes: the protection plate 3, the third roller 31 and the second motor 34 are arranged at the bottom end of the mounting rod 112, the third roller 31 is arranged at one side of the protection plate 3 through the power output end of the second motor 34, and the second motor 34 is fixed on the protection plate 3 through a motor support.
Corresponding air pumps can be further arranged on the protection plates, and the protection plates are used for assisting in discharging during use, so that the use effect of coiled materials during use is prevented.
Wherein, through the arrangement of two groups of third rollers 31 when in use, the effect of effective contraction is realized.
An auxiliary wheel 32 is rotatably arranged below the protection plate 3 through an extension frame 33 and a rotating shaft, and the auxiliary wheel 32 and the third roller 31 are correspondingly arranged;
the rotation ratio of the two sets of third rollers 31 to the two sets of first rollers 19 is 0.8:1:1:0.995.
the transmission process of 0.8-1 realizes the effective stretching effect when the device is used, and the transmission ratio of the device is more convenient to adjust;
in addition, the process of 1-1 belongs to a normal transmission process, the process of 1:0.995 is adopted to shrink, and auxiliary magnetized water is adopted to greatly reduce the electronic active state of the diaphragm in the heated state during use, so that the yield of the diaphragm is enhanced, and the blocking effect during use is enhanced.
The retraction mechanism further includes: the recycling cavity 35 is located right below the two groups of third rollers 31, and is fixedly installed with the extension frame 33 through the upright post.
Wherein, through the setting of retrieving the chamber 35 when using, make things convenient for its cooling water of retrieving the use, carry out the effect of cyclic utilization after filtering again, reduced the extravagant condition emergence of resource.
Working principle: through the setting of stretching structure, set up at two sets of first motors 13 and through the setting of electricity assist the hot plate 111, carry out effectual heating when its stretching to wherein the heating in-process is through going on the diaphragm, realized greatly when using that it is used effectually stretches and prevent its cracked condition emergence, and the in-process that gets into the shrink through magnetized water and drenches the in-process that spouts, effectively strengthened the effect to the quick cooling of material.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the disclosure, including the claims, is limited to these examples; combinations of features of the above embodiments or in different embodiments are also possible within the spirit of the present disclosure, and there are many other variations to the different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.
While the present disclosure has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of those embodiments will be apparent to those skilled in the art in light of the foregoing description.
The present disclosure is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Any omissions, modifications, equivalents, improvements, and the like, which are within the spirit and principles of the one or more embodiments of the disclosure, are therefore intended to be included within the scope of the disclosure.

Claims (9)

1. The utility model provides a wet process lithium cell diaphragm violently draws shrink setting device, includes stretching structure and shrink mechanism, its characterized in that:
the stretching structure comprises a support assembly and a group of heating assemblies;
the support assembly comprises a support platform (1), an outer plate (12), an inner frame (11) and support frames (14), wherein the inner frame (11) is arranged on two sides of the support platform (1), the outer plate (12) is arranged on two sides of the inner frame (11), and three groups of support frames (14) are arranged below the inner frame (11);
the middle part of the outer plate (12) is rotatably provided with a first roller (19) through a shaft rod, one end of the shaft rod is fixedly arranged with the output end of a first motor (13), and the first motor (13) is arranged on the outer plate (12) through a motor bracket;
three groups of second rollers (110) are further rotatably mounted on the outer plate (12) through rotating shafts, a transmission belt (18) is arranged outside the second rollers (110), and the output power difference of the two groups of first motors (13) is 0.8:1, a step of;
one side of the stretching structure is also provided with a contraction mechanism, and the contraction mechanism is correspondingly provided with a spraying mechanism.
2. The wet process lithium battery diaphragm transverse pulling shrinkage shaping device according to claim 1, wherein the heating assembly further comprises:
the top plate (15), top plate (15) are set up to planking (12) top, and roof (15) lower surface sets up electric auxiliary heating board (111), and leaves the space between electric auxiliary heating board (111) and the diaphragm.
3. The wet lithium battery diaphragm transverse drawing shrinkage shaping device according to claim 1, wherein the support assembly further comprises:
the extension frame (16), the extension frame (16) is of an L-shaped structure, a support column (17) is arranged at one end of the extension frame (16) close to the extension frame, and mounting rods (112) are arranged on the extension frames (16) at two sides of the support column (17);
wherein, the mounting rod (112) and the extension frame (16) are all formed by circular tubes.
4. The wet-process lithium battery diaphragm transverse drawing shrinkage shaping device according to claim 3, wherein the spraying mechanism comprises:
the liquid chamber (2), liquid chamber (2) is installed to the support column below, and strong magnetic pipe (21) and with water piping connection are installed respectively to liquid chamber (2) upper surface both sides, the water piping is provided with strong magnetic ring outward.
5. The wet-process lithium battery diaphragm transverse drawing shrinkage shaping device according to claim 4, wherein the spraying mechanism further comprises:
waterproof board (22), liquid chamber (2) lower surface middle part department sets up waterproof board (22), waterproof board (22) middle part department has seted up water leakage hole (23), set up breakwater (24) in water leakage hole (23).
6. A wet process lithium battery diaphragm transverse drawing shrinkage setting device according to claim 3, wherein the shrinkage mechanism comprises:
guard plate (3), third gyro wheel (31) and second motor (34), guard plate (3) are installed to installation pole (112) bottom, third gyro wheel (31) are installed through the power take off end of second motor (34) in guard plate (3) one side, and second motor (34) are fixed on guard plate (3) through the motor support.
7. The wet-process lithium battery diaphragm transverse drawing shrinkage shaping device according to claim 6, wherein an auxiliary wheel (32) is rotatably arranged below the protection plate (3) and the rotating shaft through an extension frame (33), and the auxiliary wheel (32) and a third roller (31) are correspondingly arranged;
wherein, the rotation ratio of the two groups of third rollers (31) to the two groups of first rollers (19) is 0.8 respectively: 1:1:0.995.
8. the wet process lithium battery diaphragm transverse drawing shrinkage shaping device according to claim 7, wherein the shrinkage mechanism further comprises:
the recovery cavity (35), the recovery cavity (35) is located under two groups of third idler wheels (31), and is fixedly installed with the extension frame (33) through the stand.
9. The wet-process lithium battery diaphragm transverse drawing shrinkage shaping device according to claim 1, wherein water adopted by the spraying mechanism is purified water, and the purified water is magnetized water formed by strong magnetic field treatment before transportation.
CN202311671618.6A 2023-12-07 2023-12-07 Wet process lithium battery diaphragm transverse drawing shrinkage shaping device Pending CN117359920A (en)

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