CN218101395U

CN218101395U - Compound material roll sheet-making equipment of rubberizing after compound

Info

Publication number: CN218101395U
Application number: CN202222115851.3U
Authority: CN
Inventors: 严海宏; 柳洪健; 朱佑琦
Original assignee: Dongguan Yakang Precision Machinery Co Ltd
Current assignee: Dongguan Yakang Precision Machinery Co Ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2022-12-20
Anticipated expiration: 2032-08-10

Abstract

The utility model relates to a film-making equipment is rolled up to compound back rubberized composite material, including unreeling the subassembly, the subassembly of rectifying, tension control assembly, chase after and cut the subassembly, the diaphragm unreels the subassembly, composite component, rubberizing subassembly, determine module and rolling subassembly, unreel the subassembly and will roll up the material and unreel, chase after and cut the subassembly and tailor the material and roll up and transfer to composite component on, the diaphragm unreel the subassembly from the diaphragm and unreel to composite component, composite component is compound to roll up the material with the diaphragm and is rolled up the material and form composite material and roll up, rubberizing subassembly is attached adhesive tape on the diaphragm of composite material book, composite material is rolled up and is detected in determine module, through the rolling of rolling subassembly rolling. The composite mode ensures continuous compounding or clearance compounding of the material roll, can improve the compounding efficiency, strengthens the rigidity of the material roll through the composite diaphragm, is not easy to deviate, avoids wrinkling when the material roll is wound, and can avoid tensile deformation of the diaphragm caused by overlarge tension when the composite material roll is only compounded by sticking gummed paper on the position of the two layers of diaphragms.

Description

Compound material roll sheet-making equipment of rubberizing after compound

Technical Field

The utility model belongs to the technical field of the lithium cell production technique and specifically relates to a film-making equipment is rolled up to compound material of compound back rubberizing is related to.

Background

Lithium ion batteries are a favorite of the energy community because of their advantages of high energy density, good cycle performance, long service life, safety, environmental protection, no memory, etc. Nowadays, lithium ion batteries have been successfully applied to the fields of portable electronic products, electric automobiles and aerospace, and become a research hotspot of new energy materials. The lithium ion battery has a winding type structure and a laminated structure.

The winding core of the winding type battery cell is generally formed by winding a positive electrode sheet, a negative electrode sheet and a diaphragm after forming tabs by using a winding machine. The problem that exists now is, after coiling and accomplishing an electric core, need cut off the pole piece, however after cutting off the pole piece, can produce the burr, and the diaphragm can be punctureed to these burrs, leads to electric core short circuit, and can produce the condition of crumpling after the diaphragm is compound, and these all can influence the quality of electric core.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a film-making equipment is rolled up to compound material of rubberizing behind compound to solve above-mentioned technical problem, improve the quality of electric core.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a film-making equipment is rolled up to compound material of rubberizing behind compound, includes unreeling the subassembly, rectifying assembly, tension control subassembly, chases after and cuts subassembly, diaphragm unreeling subassembly, composite assembly, rubberizing subassembly, determine module and compound material book rolling assembly, unreeling the subassembly and will rolling up the material and roll up and unreel, roll up and move in proper order extremely rectifying assembly tension control subassembly with chasing after and cut the subassembly, chasing after cut the subassembly cut out the material book and will roll up the material and transfer extremely on the composite assembly, the diaphragm is followed diaphragm unreeling subassembly unreels extremely composite assembly, and arrange the both ends of material book in, composite assembly forms compound material book with the diaphragm complex to the both ends of rolling up the material, rubberizing subassembly is rolled up at every two sections materials on the diaphragm of material book of composite material and is attached adhesive tape between the material, composite material book in determine module detects, passes through at last material book rolling subassembly rolling assembly is rolled up to the compound.

As a preferred technical scheme, unreel the subassembly including unreeling the structure, unreeling buffer memory structure and brush dust removal structure, unreel the structure and roll up the material and unreel, the material is rolled up the process unreel buffer memory structure transmission extremely the brush dust removal structure removes dust to the surface cleaning of material book.

As a preferred technical solution, the tension control assembly includes a tension control structure, a tension sensor and a material roll length measuring structure, the material roll length measuring structure detects the position of the material roll, the tension sensor senses the tension of the material roll, and the tension control structure adjusts the tension of the material roll.

As a preferred technical scheme, the chasing and cutting assembly comprises a pinch deviation correcting structure and a material roll cutter structure, wherein the pinch deviation correcting structure clamps a material roll, the material roll cutter structure cuts the material roll, and the pinch deviation correcting structure moves the end part of the cut material roll to the composite assembly.

As a preferred technical scheme, the diaphragm unreeling assembly comprises a diaphragm unreeling structure and a diaphragm tension control structure, wherein a diaphragm is unreeled through the diaphragm unreeling structure and is transmitted to the two sides of a material roll through the diaphragm tension control structure.

As a preferred technical scheme, the composite assembly comprises a film combining structure, a preheating structure and a composite structure, wherein the film combining structure presses the membrane to two sides of the material roll, the preheating structure preheats the membrane in advance, and the composite structure compounds the material roll and the membrane to form the composite material roll.

As a preferred technical scheme, the composite structure comprises an electromagnetic heating shaft, a main drive motor, a dust removal scraper and a wiping roller, wherein the main drive motor drives the electromagnetic heating shaft to rotate, a material roll and a diaphragm are compounded between the two electromagnetic heating shafts to form a composite material roll, and the dust removal scraper and the wiping roller remove dust from the electromagnetic heating shaft.

In a preferred embodiment, the detection unit includes a first detection structure for detecting one surface of the composite roll, a second detection structure for detecting the other surface of the composite roll, and a labeling device for labeling the defective products detected by the first detection structure and the second detection structure.

As a preferred technical scheme, the composite material roll winding component comprises a winding tension control structure, a deviation correction sensor, a winding deviation correction structure, a winding structure and a winding compression roller, the composite material roll is transmitted to the winding deviation correction structure after passing through the winding tension control structure, the deviation correction sensor is aligned with the material roll, the composite material roll is wound through the winding structure, and the composite material roll is compressed on the winding structure by the winding compression roller.

The beneficial effects of the utility model reside in that: the compound material roll sheet-making equipment for compound back rubberizing is characterized in that the material roll can be continuously compounded or clearance compounded in compounding by the compounding mode, compounding stop caused by cutting off the material roll is avoided, compounding efficiency can be improved, rigidity of the material roll is enhanced through the compound diaphragm, deflection is not prone to occurring, wrinkling in material roll winding is avoided, gummed paper is attached to one or two end faces between every two sections of material rolls on the diaphragm of the compound material roll, namely gummed paper is attached to the position where only two layers of diaphragms are compounded on the compound material roll, tensile deformation of the position where only two layers of diaphragms are compounded due to overlarge tension in the process of transmission of the compound material roll can be avoided, the end portion of the material roll is not rolled up, the core formed by winding the compound material roll can be ensured not to fall powder, the regularity of the heads of a positive pole and a negative pole is improved, the quality of the core is improved, the diaphragms with a certain length exist between the two material rolls, normal operation of a subsequent winding process is ensured, and the rubberizing component is rubberized paper in a mode of pursuing, so that corner rubberizing is not needed to be stopped to be rubberized, and compounding efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of a composite material roll sheet-making device for composite post-rubberizing according to the present invention;

fig. 2 is a schematic structural diagram of a composite roll according to the present invention;

fig. 3 is a process flow diagram of the composite material roll according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 2, a composite roll sheet-making apparatus for post-lamination adhesive bonding includes an unwinding assembly 1, a deviation correcting assembly 2, a tension control assembly 3, a cut-after assembly 4, a first membrane unwinding assembly 5, a second membrane unwinding assembly 6, a composite assembly 7, an adhesive bonding assembly 8, a detection assembly 9 and a composite roll winding assembly 10, wherein the unwinding assembly 1 unwinds a roll a, the roll a sequentially moves to the deviation correcting assembly 2, the tension control assembly 3 and the cut-after assembly 4, the cut-after assembly 4 cuts the roll a and transfers the roll a to the composite assembly 7, a membrane b is unwound from the first membrane unwinding assembly 5 and the second membrane unwinding assembly 6 to the composite assembly 7 and is disposed at two ends of the roll a, the composite assembly 7 compounds a membrane b to two ends of the roll a to form a composite, the adhesive bonding assembly 8 bonds an adhesive sheet c on the membrane b between each two rolls on one or two end surfaces, the composite material roll is detected by the detection component 9, and finally wound by the composite material roll winding component 10, the composite mode ensures that the material roll a can be continuously compounded or clearance compounded during compounding, ensures that compounding can not be stopped because the material roll a needs to be cut off, can improve compounding efficiency, strengthens the rigidity of the material roll a through the composite diaphragm b, is not easy to deviate, avoids crumpling when the material roll a is wound, attaches adhesive paper c to one or two end surfaces between every two sections of material rolls on the diaphragm b of the composite material roll, namely attaches the adhesive paper c to the position of only compounding two layers of diaphragm b on the composite material roll, can avoid that the position of only compounding two layers of diaphragm b generates tensile deformation because of overlarge tension in the transmission process of the composite material roll, the end part of the material roll a does not roll, and adopts the composite material roll to wind the formed electric core, can guarantee that electric core corner does not fall whitewashed, improve positive negative pole head regularity, improve the quality of electric core, make two book material roll a in the middle of have certain length of piece diaphragm b, guarantee the normal operating of follow-up coiling process, and rubberizing subassembly 8 adopts the mode of pursuing the subsides to carry out the adhesive tape c to the realization need not to shut down and carries out the rubberizing, improves compound efficiency, in this embodiment, rolls up material roll a and is pole piece or foil material, preferred negative pole piece.

Specifically, unreel subassembly 1 including unreel structure 11, unreel buffer memory structure 12, brush dust removal structure 13 and material and roll up reel change platform 14, unreel structure 11 and will roll up a material and unreel, roll up a material and transmit to brush dust removal structure 13 through unreeling buffer memory structure 12 and to the surface cleaning dust removal of material book a, material is rolled up reel change platform 14 and can be conveniently rolled up a material and roll up the reel change.

Specifically, the deviation rectifying assembly 2 comprises a material roll deviation rectifying structure 21 and a material roll traction structure 22, the material roll deviation rectifying structure 21 can rectify the material roll a after unreeling, the composite precision of the material roll a and the diaphragm b is guaranteed, and the material roll traction structure 22 pulls the material roll a to the tension control assembly 3.

Specifically, the tension control assembly 3 includes a tension control structure 31, a tension sensor 32 and a material roll length measuring structure 33, the material roll a sequentially passes through the tension control structure 31, the tension sensor 32 and the material roll length measuring structure 33, the material roll length measuring structure 33 detects the position of the material roll a, the tension sensor 32 senses the tension of the material roll a, and the tension control structure 31 adjusts the tension of the material roll a.

Specifically, the chasing and cutting component 4 comprises a clamping and conveying deviation correcting structure 41 and a material roll cutting structure 42, the clamping and conveying deviation correcting structure 41 clamps a material roll a, the clamping and conveying deviation correcting structure 41 and the material roll cutting structure 42 are driven together with the material roll a, the material roll a is cut off by the material roll cutting structure 42 in the moving process of the material roll a, the end portion of the cut material roll a is moved to the composite component 7 by the clamping and conveying deviation correcting structure 41, the material roll a can be driven continuously, the material roll a can be cut off in the moving process of the material roll a in the cutting mode, the cutting is not required to be stopped, the composite efficiency is improved, the end portion of the cut material roll a is moved to the composite component 7 by the clamping and conveying deviation correcting structure 41, the position accuracy between the material roll and the diaphragm b is guaranteed.

Specifically, the first membrane unwinding assembly 5 comprises a first membrane unwinding structure 51, a first membrane tension control structure 52, a membrane length measuring structure 53 and a membrane reel changing platform 54, a membrane b is unwound through the first membrane unwinding structure 51, the membrane b is transmitted to one side of a material reel a through the first membrane tension control structure 52 and the membrane length measuring structure 53, the first membrane tension control structure 52 adjusts the tension of the membrane b, the membrane length measuring structure 53 detects the position of the membrane b, and the membrane reel changing platform 54 can facilitate the reel changing of the membrane material.

Specifically, the second membrane unreeling assembly 6 includes a second membrane unreeling structure 61 and a second membrane tension control structure 62, the membrane b is unreeled through the second membrane unreeling structure 61 and is transmitted to the other side of the material roll a through the second membrane tension control structure 62, and the second membrane tension control structure 62 adjusts the tension of the membrane b.

Specifically, the composite assembly 7 comprises a combining structure 71, a preheating structure 72 and a composite structure 73, the combining structure 71 pre-presses two layers of diaphragms b on two sides of a material roll a in advance, it is guaranteed that the relative positions of the material roll a and the diaphragms b are not changed, the preheating structure 72 preheats the diaphragms b in advance, the composite linear speed can be improved, the composite efficiency is further improved, the composite structure 73 compounds the material roll a and the diaphragms b to form a composite material roll, and it is guaranteed that the material roll a is fixed on the diaphragms b and does not fall off, arch or bubble. The composite structure 73 comprises an electromagnetic heating shaft, a main driving motor, a dust removal scraper and a wiping roller, wherein the main driving motor drives the electromagnetic heating shaft to rotate, a material roll a and a diaphragm b are compounded between the two electromagnetic heating shafts to form a composite material roll, and the dust removal scraper and the wiping roller remove dust from the electromagnetic heating shafts.

Specifically, the detecting component 9 includes a first detecting structure 91, a second detecting structure 92 and a labeling machine 93, the first detecting structure 91 detects one side of the composite material roll, the second detecting structure 92 detects the other side of the composite material roll, the first detecting structure 91 and the second detecting structure 92 detect that the composite material roll has a wrinkle, the composite material roll with the wrinkle is regarded as a defective product, and the labeling machine 93 labels the composite material roll belonging to the defective product, so that the defective product can be identified and eliminated in a subsequent process.

Specifically, the composite material roll winding assembly 10 includes a winding tension control structure 105, a deviation correction sensor 103, a winding deviation correction structure 104, a winding structure 101, a composite material roll changing platform 106 and a winding compression roller 102, the composite material roll is transmitted to the winding deviation correction structure 104 after passing through the winding tension control structure 105, the deviation correction sensor 103 aligns with the material roll, the composite material roll is wound by the winding structure 101, the winding tension control structure 105 can control the tension of the composite material roll, the quality of the composite material roll is guaranteed, the deviation correction sensor 103 detects the position of the composite material roll and feeds the position back to the winding deviation correction structure 104, the winding deviation correction structure 104 corrects the composite material roll in real time, the flatness of the composite material roll during winding is guaranteed, the winding compression roller 102 compresses the composite material roll on the winding structure 101, the composite material roll can be guaranteed to be tightened on the winding structure 101 without deviation, and the composite material roll changing platform 106 can facilitate the replacement of the composite material cylinder.

As shown in fig. 2 and 3, the present invention provides another solution, a method for producing a composite roll, comprising the following steps:

step 1, unwinding a material roll a, caching the material roll a, and removing dust on two end faces of the material roll a;

step 2, rectifying the deviation of the material roll a, and drawing the material roll a to move so as to ensure that the position of the material roll a which is unreeled does not deviate;

step 3, detecting and adjusting the tension of the material roll a to keep constant so as to ensure the quality of compounding;

step 4, measuring the length of the material roll a, and determining the position of the material roll to ensure that the position of the membrane b is consistent with that of the material roll a;

step 5, cutting the material roll a in a chasing cutting mode, transferring the end part of the cut material roll a to a prepressing position, cutting the material roll a without stopping, and improving the production efficiency;

step 6, unwinding the diaphragm b, detecting and adjusting the tension of the diaphragm b to keep constant so as to ensure the quality of compounding;

step 7, measuring the length of the membrane b, and determining the position of the membrane b to ensure that the positions of the membrane b and the material roll a are consistent;

8, prepressing the diaphragm b in the step 7 to the two sides of the material roll a in the step 5, preheating, and rolling and compounding to form a composite material roll;

step 9, sticking adhesive paper to one end surface or two end surfaces of the position where only two layers of diaphragms are compounded in the composite material roll, and improving the tension of the diaphragm b;

step 10, detecting two ends of the composite material roll, and labeling the composite material roll with the failed marks so as to identify and remove the composite material roll with the failed marks;

and 11, adjusting the tension of the composite material roll, and rolling the composite material roll to keep the tension of each composite material roll consistent.

The above-mentioned embodiments are merely preferred examples of the present invention, and do not limit the scope of the present invention, so all equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims

1. The utility model provides a film-making equipment is rolled up to compound material of rubberizing behind compound, a serial communication port, including unreeling the subassembly, rectifying assembly, tension control subassembly, chase after and cut subassembly, diaphragm unreel subassembly, compound subassembly, rubberizing subassembly, determine module and compound material book rolling assembly, it unreels to roll up the material book to unreel the subassembly, roll up in proper order and move extremely rectify the subassembly tension control subassembly with chase after and cut the subassembly, chase after cut the subassembly and cut the material book and transfer extremely it to compound subassembly is last, the diaphragm is followed diaphragm unreels the subassembly and unreels extremely compound subassembly, and arrange the both ends of material book in, compound subassembly forms compound material book with the diaphragm compound to the both ends of material book, rubberizing subassembly is rolled up the diaphragm of material and is rolled up in every two sections attached adhesive tape between the material, compound material book end pass through compound material book rolling subassembly.

2. The composite material roll sheet-making equipment for post-lamination according to claim 1, wherein the unwinding assembly comprises an unwinding structure, an unwinding buffer structure and a brush dust removal structure, the unwinding structure unwinds the material roll, and the material roll is driven to the brush dust removal structure through the unwinding buffer structure to clean and remove dust on the surface of the material roll.

3. The composite roll-making apparatus of composite post-applied tape of claim 2, wherein said tension control assembly includes a tension control structure, a tension sensor and a roll length measuring structure, said roll length measuring structure detecting the position of the roll, said tension sensor sensing the tension of the roll, said tension control structure adjusting the tension of the roll.

4. The apparatus as claimed in claim 3, wherein the cutting assembly comprises a pinch deviation correcting structure and a material roll cutter structure, the pinch deviation correcting structure clamps the material roll, the material roll cutter structure cuts the material roll, and the pinch deviation correcting structure moves the cut end of the material roll to the composite assembly.

5. The composite roll-making device for composite post-rubberizing according to claim 4, wherein the membrane unreeling assembly includes a membrane unreeling structure through which a membrane is unreeled and a membrane tension control structure through which the membrane is driven to both sides of a roll.

6. The apparatus of claim 5, wherein the composite assembly comprises a film combining structure, a preheating structure and a composite structure, the film combining structure compresses the membrane on two sides of the material roll, the preheating structure preheats the membrane in advance, and the composite structure combines the material roll and the membrane to form the composite material roll.

7. The apparatus as claimed in claim 6, wherein the composite structure comprises an electromagnetic heating shaft, a main driving motor, a dust-removing scraper and a wiping roller, the main driving motor drives the electromagnetic heating shaft to rotate, the material roll and the membrane are combined between the two electromagnetic heating shafts to form the composite material roll, and the dust-removing scraper and the wiping roller remove dust from the electromagnetic heating shaft.

8. The apparatus of claim 7, wherein the detecting assembly comprises a first detecting structure for detecting one side of the composite roll, a second detecting structure for detecting the other side of the composite roll, and a labeling machine for labeling the defective products detected by the first detecting structure and the second detecting structure.

9. The apparatus as claimed in claim 8, wherein the winding assembly comprises a winding tension control structure, a deviation-correcting sensor, a winding deviation-correcting structure, a winding structure and a winding roller, the composite material roll is transported to the winding deviation-correcting structure via the winding tension control structure, the deviation-correcting sensor is aligned with the material roll, the composite material roll is wound via the winding structure, and the winding roller presses the composite material roll onto the winding structure.