Solid-state cell-free energy storage power supply continuous rolling device

Abstract

The utility model relates to the technical field of energy storage medium production equipment, and provides a solid-state cell-free energy storage power supply continuous rolling device which comprises a rack; the diaphragm roll is rotationally arranged on the rack and is used for providing a battery diaphragm; the at least two extrusion roller groups I are rotationally arranged on the rack and are respectively used for extruding the two electrode raw materials and outputting two corresponding electrode bands, and the two electrode bands are respectively positioned on two sides of the battery diaphragm; the at least two rolling belts are arranged relative to the rack in a circulating transmission mode, the rolling belts are arranged on the side, away from the battery diaphragm, of the electrode belt, and the rolling belts abut against the electrode belt; according to the technical scheme, the problem that the reject ratio of products is increased due to the phenomena of glue failure, layering and the like of the products when three intermediate products are not laminated and compounded in place in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage medium production equipment technical field, specifically, relate to a solid state no electric core energy storage power supply continuous roll press device. BACKGROUND

[0002] Solid state energy storage power supply is the power that rises and is popular in recent years, and its composition mainly includes positive material, intermediate diaphragm and negative material, and the three are in laminated pressure relationship.

[0003] In the production process of prior art, the three are generally produced into long strip belt, and three corresponding intermediate products one are obtained;Then according to the demand size of product, cutting is carried out, and three corresponding intermediate products two are obtained, then three intermediate products two are sequentially stacked in turn, and are compounded together through other equipment;The whole production process has many steps, needs to be cut for many times, and finally is laminated and compounded again.When the product is not compounded in place, problems such as opening glue delamination, positive and negative material misplacement and the like are prone to occur, so that the defective rate of final product is large;And the processing precision and positioning precision of intermediate product during processing are increased, the use requirement of equipment is increased, and the production cost is increased, therefore, the prior art needs to be improved and optimized, the product defective rate is reduced, the product consistency is improved, and the equipment and production cost are reduced. UTILITARY MODEL CONTENTS

[0004] The utility model provides a solid state no electric core energy storage power supply continuous roll press device, solve three intermediate products layering compound not in place in the related art, lead to product opening glue delamination phenomenon, cause product defective rate increases problem.

[0005] The technical scheme of the utility model is as follows:

[0006] A solid state no electric core energy storage power supply continuous roll press device, comprising:

[0007] A rack;

[0008] A diaphragm roll is rotationally arranged on the rack and is used to provide a battery diaphragm;

[0009] At least two extrusion roller groups one are rotationally arranged on the rack and are respectively used to extrude two kinds of electrode raw materials and output two corresponding electrode belts, and the two electrode belts are respectively located on both sides of the battery diaphragm;

[0010] At least two roll pressing belts are circularly and drivably arranged relative to the rack, the electrode belt is provided with the roll pressing belt on the side away from the battery diaphragm, and the roll pressing belt is in contact with the electrode belt.

[0011] As a further technical scheme, at least two extrusion roller groups four are further included, and the extrusion roller groups four comprise:

[0012] The fourth roller shaft is rotatably arranged on the rack;

[0013] The fourth transmission roller is rotatably arranged on the rack;

[0014] The rolling belt is sleeved on the fourth roller shaft and the fourth transmission roller.

[0015] As a further technical solution, the fourth extrusion roller set further comprises:

[0016] The transmission gear is arranged on the fourth transmission roller, and the two transmission gears corresponding to the two sides of the battery separator are meshed and connected.

[0017] As a further technical solution, the fourth extrusion roller set further comprises:

[0018] The adjusting member is slidably arranged on the rack;

[0019] The tensioning shaft is rotatably arranged on the adjusting member, and the rolling belt is sleeved on the tensioning shaft.

[0020] As a further technical solution, it further comprises:

[0021] The at least two feeding members are arranged on the rack to provide two electrode raw materials;

[0022] The second extrusion roller set is arranged on the rack and located between the first extrusion roller set and the rolling belt, for diverting the two electrode belts and the battery separator in a stacked manner, and outputting the membrane.

[0023] As a further technical solution, it further comprises:

[0024] The number of the third extrusion roller set is greater than that of the first extrusion roller set, and the third extrusion roller set is located between the feeding member and the first extrusion roller set, for extruding the electrode raw material provided by the feeding member and outputting the electrode sheet, and any one of the first extrusion roller set extrudes at least two electrode identical electrode sheets and outputs the electrode belt.

[0025] As a further technical solution, the feeding member has a feeding chamber, and further comprises:

[0026] The auger shaft is rotatably arranged in the feeding chamber;

[0027] The feeding pipe is arranged on one side of the feeding member and communicates with the feeding chamber to provide the electrode raw material.

[0028] As a further technical solution, it further comprises:

[0029] The heating member is arranged on the rack to heat the fourth roller shaft.

[0030] As a further technical solution, it further comprises:

[0031] A conveying chain is arranged relative to the circulating transmission of the rack for conveying the electrode belt to move to the side of the battery diaphragm.

[0032] As a further technical solution, it further comprises:

[0033] An outer film guide roller is rotatably arranged on the rack;

[0034] A heating roller is rotatably arranged on the rack, and the conveying chain is arranged around the heating roller.

[0035] The working principle and beneficial effects of the utility model are as follows:

[0036] In the utility model, the continuous rolling device comprises a rack, a diaphragm roll, an extrusion roller group one and a rolling belt, the number of the extrusion roller group one is preferably two, the number of the rolling belt is preferably two, and the extrusion roller group one comprises two corresponding and rotatably arranged rotating rollers one.

[0037] In use, the diaphragm roll wound with the battery diaphragm is installed on the rack; two kinds of electrode raw materials are respectively input to the middle of the two rotating rollers one, the rotating roller one is heated by the built-in heat exchange oil pipe in the prior art during work, and the electric heating wire in the prior art can also be selected for heating; the electrode raw materials are hot extruded by the rotating roller one to obtain two kinds of electrode belts, which are positive electrode belts and negative electrode belts respectively; and the positive electrode belts and the negative electrode belts are respectively conveyed to the two sides of the battery diaphragm; there is a rolling gap with the same spacing in the middle of the two rolling belts, the positive electrode belt, the battery diaphragm and the negative electrode belt are conveyed to the rolling gap in a layered stacking state, the rolling belt is extruded and contacted with the electrode belt, the composite connection of the positive electrode belt, the battery diaphragm and the negative electrode belt is completed by the extrusion of the two rolling belts, and the corresponding diaphragm product is obtained.

[0038] The rolling belt is preferably selected from a steel belt, the rolling belt is heated by the built-in components on the rack, so that the temperature of the rolling belt is higher than that of the electrode belt, the hot extrusion of the rolling belt is completed, the hot pressing of the product is completed, the rebound of the product during single line extrusion is avoided, the thickness consistency of the product is poor, the stability of the product after shaping is improved, and the layering phenomenon of the product is avoided. Meanwhile, the positive electrode belt, the battery diaphragm and the negative electrode belt are in a belt shape, and the three are layered and stacked, the continuous extrusion forming of the diaphragm product is realized, then the diaphragm product is sized and cut, and finally the product can be obtained by cutting only once, the cutting frequency is reduced, the consistency of the product size is improved, the precision requirement of the diaphragm product processing equipment is reduced, and the equipment cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0039] The above characteristics, technical features, advantages and implementation manners of the present application will be further described in a clear and easy-to-understand manner in combination with the preferred embodiments and the accompanying drawings.

[0040] Figure 1 It is a schematic view of the overall structure of the present application;

[0041] Figure 2 It is a schematic view of the internal structure of the present application rack;

[0042] Figure 3 It is a schematic view of the internal structure of the present application rack; Figure 2 It is a schematic view of the internal structure of the present application rack;

[0043] Figure 4 It is a schematic view of the combination of the present application rack, roller belt and extrusion roller group four;

[0044] Figure 5 It is a schematic view of the combination of the present application rack, roller belt and extrusion roller group four; Figure 4 It is a schematic view of the combination of the present application rack, roller belt and extrusion roller group four;

[0045] Figure 6 It is a schematic view of the combination of the present application rack, roller belt and extrusion roller group four;

[0046] In the figure: 1, rack, 2, diaphragm roll, 3, extrusion roller group one, 4, roller belt, 5, extrusion roller group four, 6, roller shaft four, 7, transmission roller four, 8, transmission gear, 9, adjusting piece, 10, tensioning shaft, 11, feeding piece, 12, extrusion roller group two, 13, extrusion roller group three, 14, auger shaft, 15, feeding pipe, 16, conveying chain, 17, outer membrane guide roller, 18, heating roller. DETAILED DESCRIPTION

[0047] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the specific implementation manners of the present application will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings in the following description only represent some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings, and other implementation manners can also be obtained.

[0048] In order to make the drawing simple, only the parts related to the present application are shown in each drawing, which does not represent the actual structure of the product. In addition, in order to make the drawing simple and easy to understand, in some drawings, only one of the parts with the same structure or function is shown, or only one of them is marked. In this paper, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0049] In this article, it is necessary to explain that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be broadly understood, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0050] In addition, in the description of the present application, the terms "first", "second" and the like are only used for distinguishing description, and cannot be understood as indicating or implying relative importance.

[0051] Embodiment one, refer to Figures 1-5 As the first embodiment of the utility model, a kind of solid-state no battery core energy storage power continuous roll press device is presented.

[0052] In the embodiment, the continuous roll press device includes gantry 1, diaphragm roll 2, extrusion roller group one 3 and roll press belt 4, wherein the number of extrusion roller group one 3 is preferably two, the number of roll press belt 4 is preferably two, and extrusion roller group one 3 includes two corresponding and rotationally arranged rotating rollers one.

[0053] When using, diaphragm roll 2 wound with battery diaphragm is installed on gantry 1;Two kinds of electrode raw materials are respectively input to the middle of two rotating rollers one, rotating roller one is heated by built-in heat exchange oil pipe in prior art when working, and can also select electric heating wire in prior art to heat;Rotating roller one is used to heat extrude electrode raw materials, and two kinds of electrode belts, positive electrode belt and negative electrode belt, are obtained;And positive electrode belt and negative electrode belt are respectively conveyed to the two sides of battery diaphragm;There is a roll press gap with same spacing in the middle of two roll press belts 4, and positive electrode belt, battery diaphragm and negative electrode belt are conveyed to roll press gap in laminated state, roll press belt 4 is extruded with electrode belt, and the composite connection of positive electrode belt, battery diaphragm and negative electrode belt is completed by the extrusion of two roll press belts 4, and corresponding diaphragm product is obtained.

[0054] Wherein roll press belt 4 is preferably selected from steel belt, roll press belt 4 is heated by built-in components on gantry 1, so that the temperature of roll press belt 4 is higher than that of electrode belt, the hot extrusion of roll press belt 4 is completed, the hot pressing of product is completed, the rebound of product is avoided when single line extrusion, the thickness consistency of product is poor, the stability of product after shaping can be improved, and the delamination of product can be avoided. At the same time, positive electrode belt, battery diaphragm and negative electrode belt are in strip shape, and three are laminated, the continuous extrusion forming of diaphragm product is realized, then the diaphragm product is sized and cut, and the final product can be obtained by cutting only once, the cutting frequency is reduced, the size consistency of product is improved, the precision requirement of diaphragm product processing equipment is reduced, and the equipment cost is reduced.

[0055] Embodiment Two, Refer to Figures 2-5 , for the second embodiment of the utility model, on the basis of embodiment one, this embodiment further, increased extrusion roller group four 5, for driving roller pressing belt 4 to carry out circulation transmission;Extrusion roller group four 5 includes roller shaft four 6 and transmission roller four 7;Extrusion roller group four 5 further includes transmission gear 8;Extrusion roller group four 5 further includes adjusting part 9 and tensioning shaft 10. Wherein the number of extrusion roller group four 5 is preferably two, and symmetrically distributed on the side away from each other of the positive electrode belt and the negative electrode belt.

[0056] When using, through the built-in power source on the rack 1 drives two roller shafts four 6 to rotate respectively simultaneously, roller shaft four 6 passes through roller pressing belt 4 and drives transmission roller four 7 and transmission gear 8 to rotate synchronously. Two transmission gears 8 are connected together through meshing, realize stable power transmission, ensure that two roller pressing belts 4 have the same moving speed, avoid the moving speed of the roller pressing belt 4 on both sides of the battery diaphragm to be inconsistent, cause the surface of the electrode belt on both sides to appear wrinkle, increase product failure rate. At the same time, adjusting part 9 can be driven to slide on the rack 1 by applying external force, adjusting part 9 drives tensioning shaft 10 to slide synchronously and adjusts the tensioning state of roller pressing belt 4, ensure that roller pressing belt 4 is in effective tensioning state, avoid the relaxation of roller pressing belt 4, cause the problems such as diaphragm wrinkle, misplacement.

[0057] When working, roller shaft four 6 is heated through the built-in heat exchange oil pipe in the prior art, and can also be heated by the electric heating wire in the prior art;At the same time, roller pressing belt 4 generates heat by itself under the action of friction force when circulating transmission on the outer circle of roller shaft four 6, transmission roller four 7 and tensioning shaft 10;Further improve the temperature of roller pressing belt 4, realize hot roller pressing shaping of diaphragm, improve the roller pressing effect and shaping effect of diaphragm. The two roller pressing belts 4 arranged symmetrically help to improve the parallelism of the two kinds of electrode belts of diaphragm and improve the consistency of diaphragm product thickness.

[0058] Embodiment Three, Refer to Figures 1-6 , for the third embodiment of the utility model, on the basis of embodiment one, this embodiment further, increased feeding part 11 and extrusion roller group two 12;Also increased extrusion roller group three 13. In this embodiment, the number of extrusion roller group three 13 and feeding part 11 is preferably four, and one extrusion roller group three 13 corresponds to one feeding part 11;The number of extrusion roller group two 12 is preferably one;The number of extrusion roller group one 3 is preferably two, and each extrusion roller group one 3 corresponds to two extrusion roller group three 13;One extrusion roller group two 12 corresponds to two extrusion roller group one 3;Extrusion roller group two 12 includes two corresponding and rotationally arranged rotating rollers two;Four feeding parts 11 are divided into two groups, and each group of feeding parts 11 corresponds to one kind of electrode raw material.

[0059] In use, the two electrode raw materials are respectively conveyed to the four extrusion roller groups three 13 through the conveying of the feeding part 11, the extrusion roller groups three 13 are heated by the built-in heat exchange oil pipes in the prior art during work, and the electric heating wires in the prior art can also be selected for heating; through the hot extrusion of the extrusion roller groups three 13, two kinds of thin strip-shaped electrode sheets are obtained, and each kind of electrode sheet has two parts; the two electrode sheets of the same electrode are synchronously conveyed to the same extrusion roller group one 3, and one electrode strip is obtained through the extrusion of the extrusion roller group one 3, so that two kinds of electrode strips, namely positive electrode strips and negative electrode strips, are finally obtained; through the continuous twice rolling of the extrusion roller groups three 13 and the extrusion roller group one 3, the adhesion between the electrode raw materials, the uniformity of mixing and the density are improved; meanwhile, the thickness of the electrode strip is ensured, and the phenomenon of poor thickness uniformity and uneven density of the electrode raw materials after only one rolling is avoided, so that the problem of poor diaphragm quality is solved.

[0060] Then the positive electrode strip, the battery diaphragm and the negative electrode strip are conveyed to the middle of the two rotating rollers two in a layered stacking state, the positive electrode strip, the battery diaphragm and the negative electrode strip are in a layered state, the advancing direction of which is adjusted through the extrusion roller group two 12, and a thin strip-shaped diaphragm is obtained. The thin strip-shaped diaphragm is heat set through the roller pressing belt 4, which effectively improves the consistency of the diaphragm product; the spacing of the roller gap is less than or equal to the thickness of the diaphragm, and the diaphragm is extruded again through the two roller pressing belts 4, so that the rebound of the diaphragm thickness is avoided, and the product size requirement is not met.

[0061] Then the thin strip-shaped diaphragm is conveyed to the subsequent processing process. The thin strip-shaped diaphragm is directly obtained through the above continuous rolling, the separate processing production lines of the positive electrode strip, the battery diaphragm and the negative electrode strip are reduced in the process, the integration of the diaphragm processing line body is realized, the number of processing equipment and the processing links are reduced, the intermediate products are reduced, the intermediate product failure rate is reduced, and the processing precision and the qualified rate of the final product are improved and ensured.

[0062] Meanwhile, a width fixing knife is also arranged on the bench 1, and one width fixing knife is arranged on both sides of any kind of electrode strip, the two side edges of the electrode strip are cut through the width fixing knife, and the consistency of the width of the electrode strip is improved.

[0063] Embodiment four, refer to Figures 1-6 As the fourth embodiment of the utility model, on the basis of embodiment three, the feeding part 11 is further refined in this embodiment, and the auger shaft 14 and the feeding pipe 15 are added; in use, the electrode raw material is conveyed into the feeding chamber through the feeding pipe 15, and the electrode raw material is extruded downward through the rotating auger shaft 14, so that the electrode raw material is conveyed to the extrusion roller group one 3 for rolling, the electrode raw material is compacted and conveyed through the downward spiral extrusion of the auger shaft 14 and the self-weight falling of the electrode raw material, the compactness of the product is improved, and the problems of uneven density and inconsistent storage effect of the product are avoided.

[0064] Embodiment five, refer to Figures 4-5 , for the fifth embodiment of the utility model, on the basis of embodiment two, this embodiment further, increase the heating piece, heating piece selects the prior art can be heated to the roll shaft four 6 equipment can, for example, electric heating wire, located in the built-in chamber of roll shaft four 6, after electrification, the outer surface of roll shaft four 6 is heated, heat is transferred to the roll pressure belt 4 through roll shaft four 6, realize the temperature rise of roll pressure belt 4, further complete the hot roll pressing of diaphragm.

[0065] Embodiment six, refer to Figures 1-3 , for the sixth embodiment of the utility model, on the basis of embodiment three, this embodiment further, increase the conveying chain 16, outer membrane guide roller 17, heating roller 18;Look along the moving direction of electrode belt, every kind of electrode belt has a conveying chain 16 on both sides respectively;When using, the reel of outer side protective film is installed to outer membrane guide roller 17, every roll outer side protective film is moved to the lower side of extrusion roller group one 3 when first use, and is attached to the plane surface of electrode belt by the traction of conveying chain 16;The outer side protective film can protect the side of two electrode belts away from each other, avoid the damage of electrode belt to reduce or fail the final product effect;By means of extrusion roller group one 3 and two conveying chains 16, two electrode belts and their corresponding outer side protective film are synchronously conveyed to extrusion roller group two 12, form the whole five-layer lap joint structure, five-layer structure is in turn outer side protective film, electrode belt, battery diaphragm, electrode belt, outer side protective film;When outer side protective film and electrode belt pass through heating roller 18, electrode belt is heated by heating roller 18, which is convenient for extrusion of subsequent roll pressure belt 4.

[0066] It should be explained that the above embodiments are only used to illustrate the technical scheme of the utility model and not to limit, although the utility model is described in detail with reference to the preferred embodiment, those skilled in the art should understand that the technical scheme of the utility model can be modified or replaced, without departing from the spirit and scope of the technical scheme of the utility model, which should be covered in the scope of claims of the utility model.

Claims

1. A solid state electroless core energy storage power supply continuous roll press apparatus, characterized by, The utility model relates to a battery electrode strip production device, including: A rack (1); A diaphragm roll (2) is rotationally arranged on the rack (1) and used to provide a battery diaphragm; At least two extrusion roller groups (3) are rotationally arranged on the rack (1) and used to extrude two kinds of electrode materials and output two corresponding electrode strips respectively, and the two electrode strips are located on both sides of the battery diaphragm respectively; At least two roller pressing belts (4) are circularly and drivingly arranged relative to the rack (1), the electrode strip side away from the battery diaphragm is provided with the roller pressing belt (4), and the roller pressing belt (4) is in contact with the electrode strip.

2. A continuous roll press apparatus for solid state electrochemical energy storage power sources as claimed in claim 1, wherein, Further including at least two extrusion roller groups (5), the extrusion roller group (5) includes: A roller shaft (6) is rotationally arranged on the rack (1); A driving roller (7) is rotationally arranged on the rack (1); The roller pressing belt (4) is sleeved on the roller shaft (6) and the driving roller (7).

3. A continuous roll press for solid state electrochemical energy storage power sources as claimed in claim 2, wherein, The extrusion roller group (5) further includes: A driving gear (8) is arranged on the driving roller (7), and the two driving gears (8) corresponding to the two sides of the battery diaphragm are in meshing connection.

4. A continuous roll press apparatus for solid state electrochemical energy storage power sources as claimed in claim 2, wherein, The extrusion roller group (5) further includes: An adjusting part (9) is slidingly arranged on the rack (1); A tensioning shaft (10) is rotationally arranged on the adjusting part (9), and the roller pressing belt (4) is sleeved on the tensioning shaft (10).

5. A continuous roll press device for solid state electrochemical energy storage power sources as claimed in claim 1, wherein, Further including: At least two feeding parts (11) are arranged on the rack (1) and used to provide two kinds of electrode materials; An extrusion roller group (12) is arranged on the rack (1) and located between the extrusion roller group (3) and the roller pressing belt (4), used to divert the two kinds of electrode strips and the battery diaphragm in a stacked manner and output a film piece.

6. A continuous roll press apparatus for solid state electrochemical energy storage power sources as claimed in claim 5, wherein, Further including: A plurality of extrusion roller groups (13) are located between the feeding part (11) and the extrusion roller group (3), the number of the extrusion roller groups (13) is greater than that of the extrusion roller group (3), used to extrude the electrode materials provided by the feeding part (11) and output electrode pieces, and any one of the extrusion roller groups (3) extrudes at least two electrode identical electrode pieces and outputs the electrode strip.

7. A continuous roll press apparatus for solid state electrochemical energy storage power sources as claimed in claim 5, wherein, The feeding part (11) has a feeding chamber, further including: A screw shaft (14) is rotationally arranged in the feeding chamber; A feeding pipe (15) is arranged on one side of the feeding part (11) and communicates with the feeding chamber and used to provide the electrode materials.

8. A continuous roll press apparatus for solid state electrochemical energy storage power sources as claimed in claim 2, wherein, Further including: A heating part is arranged on the rack (1) and used to heat the roller shaft (6).

9. A continuous roll press apparatus for solid state electrochemical energy storage power sources as claimed in claim 5, wherein, Further including: A conveying chain (16) is circularly and drivingly arranged relative to the rack (1) and used to convey the electrode strip to the side of the battery diaphragm.

10. A continuous roll press apparatus for solid state electrochemical energy storage power sources as claimed in claim 9, wherein, Further including: An outer film guide roller (17) is rotationally arranged on the rack (1); A heating roller (18) is rotationally arranged on the rack (1), and the conveying chain (16) is arranged on the heating roller (18).

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