WO2023075359A1 - 파우치 성형장치 - Google Patents
파우치 성형장치 Download PDFInfo
- Publication number
- WO2023075359A1 WO2023075359A1 PCT/KR2022/016342 KR2022016342W WO2023075359A1 WO 2023075359 A1 WO2023075359 A1 WO 2023075359A1 KR 2022016342 W KR2022016342 W KR 2022016342W WO 2023075359 A1 WO2023075359 A1 WO 2023075359A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stripper
- pouch
- hole
- punch
- plate
- Prior art date
Links
- 238000000465 moulding Methods 0.000 title claims abstract description 26
- 238000003825 pressing Methods 0.000 claims abstract description 65
- 230000000149 penetrating effect Effects 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims description 29
- 230000037431 insertion Effects 0.000 claims description 29
- 241001133184 Colletotrichum agaves Species 0.000 claims description 8
- 239000011247 coating layer Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 230000037303 wrinkles Effects 0.000 abstract description 19
- 239000000463 material Substances 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920005570 flexible polymer Polymers 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910000652 nickel hydride Inorganic materials 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/10—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/04—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/261—Handling means, e.g. transfer means, feeding means
- B29C51/262—Clamping means for the sheets, e.g. clamping frames
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/105—Pouches or flexible bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C2043/3602—Moulds for making articles of definite length, i.e. discrete articles with means for positioning, fastening or clamping the material to be formed or preforms inside the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
- B29C2043/3615—Forming elements, e.g. mandrels or rams or stampers or pistons or plungers or punching devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7146—Battery-cases
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a pouch forming apparatus, wherein a second stripper uniformly and strongly presses the pouch film around the cup portion forming position of the pouch film, thereby minimizing the occurrence of wrinkles around the cup portion and preventing cracks or breaks that may occur due to wrinkles. It relates to a pouch molding apparatus capable of preventing, improving molding quality, achieving space efficiency in a cup part, and maximizing energy density.
- a secondary battery refers to a battery capable of being charged and discharged, unlike a primary battery that cannot be charged, and types of secondary batteries include a nickel cadmium battery, a nickel hydride battery, a lithium ion battery, and a lithium ion polymer battery. These secondary batteries are used not only for small products such as digital cameras, laptops, mobile phones, PDAs and E-bikes, but also for large products requiring high output, such as electric vehicles and hybrid vehicles, and power storage devices that store surplus generated power or renewable energy. and backup power storage devices are also applied and used.
- These secondary batteries are classified into pouch type and can type according to the material of the battery case accommodating the electrode assembly.
- the pouch type an electrode assembly is accommodated in a pouch made of a flexible polymer material having an irregular shape.
- the electrode assembly is accommodated in a case made of a material such as metal or plastic having a constant shape.
- a pouch which is a case of a pouch-type secondary battery, is manufactured by forming a cup portion by performing press processing on a flexible pouch film.
- the secondary battery is manufactured by accommodating the electrode assembly in the receiving space of the cup part and sealing the side.
- drawing molding is performed by inserting a pouch film into a forming device such as a press equipment and applying pressure to the pouch film with a punch to stretch the pouch film.
- the pouch forming apparatus can be divided into a stripper area for fixing the pouch and a punch area.
- the pouch film is molded by applying pressure with a punch do.
- the flatness of the pressing surface in the stripper area is uneven or surface pressure is applied through a wide pressing surface, the pouch film cannot be strongly held around the cup portion where stretching of the pouch film occurs.
- FIGS. 1 and 2 are views showing a state in which wrinkles or cracks occur in a conventional pouch.
- FIGS. 1 and 2 are views showing a state in which wrinkles are intensively formed in a cup portion of a conventional pouch.
- wrinkles are intensively formed at the corner of the cup portion of the pouch where the stretching of the pouch film is concentrated, and these wrinkles may cause cracks (C) due to impact during logistics movement (FIG. 1 (c) ) reference), which is directly related to battery performance and safety issues. Therefore, the development of a pouch molding apparatus for solving the above problems is required.
- the present invention has been made to solve the above problems, and the problem of the present invention is that the second stripper uniformly and strongly presses the pouch film around the cup portion forming position of the pouch film, thereby minimizing the occurrence of wrinkles around the cup portion, and wrinkles It is possible to prevent cracks or fractures that may occur due to, and to provide a pouch molding apparatus capable of improving the molding quality to achieve space efficiency of the cup part and to maximize energy density.
- a die plate formed in a flat plate shape so that a pouch film is seated on the upper side and a cup forming hole penetrating the upper and lower surfaces is formed, and the pouch film is pressurized and fixed on the upper side of the die plate,
- a first stripper in which a punch hole penetrating the upper and lower surfaces is formed at a position corresponding to the cup forming hole, and a punch unit for forming a pouch film by being drawn in and out of the punch hole of the first stripper and the cup forming hole of the die plate, and It is provided so as to protrude from the lower surface of the first stripper, and includes a second stripper provided along the circumference of the punch hole to press and fix the pouch film.
- the second stripper is formed in a ring shape having an inner circumference and an outer circumference, and the inner circumference may be formed larger than the circumference of the punch hole.
- a friction coating layer may be formed on the surface of the second stripper facing the die plate.
- the friction coating layer may include silicone.
- the first stripper is formed along the circumference of the punch hole, and an insertion groove of a recessed form may be formed from the bottom to the top.
- the insertion groove is formed to have a horizontal cross section corresponding to the horizontal cross section of the second stripper, and the second stripper is provided to protrude from the lower surface of the first stripper, and is drawn into or pulled out of the insertion groove in the vertical direction It may be provided to be movable to.
- It may further include an upper plate provided on top of the first stripper and a lower plate provided below the die plate, and the upper plate and the lower plate may be coupled to each other by a coupling member having a length in the vertical direction from the edge.
- a stripper back plate for fixing at least one of the first stripper or the second stripper, and a die back plate provided between the lower plate and the die plate and supporting the die plate from the lower side can include more.
- the first stripper is formed along the perimeter of the punch hole, through-holes passing through the upper and lower surfaces are formed, and the second stripper may be fixed to the stripper back plate by a fixing member provided through the through-hole.
- the length of the fixing member may vary, but may be a stopper method in which the length is fixed without being changed to a predetermined length or less or a predetermined length or more.
- the pouch film pressing force may be adjusted by a pressing force adjusting member provided through the through hole.
- the pressing force adjusting member may include a spring having elasticity in a longitudinal direction.
- One side of the pressing force adjusting member may be provided to be in contact with the second stripper, and the other side may be provided to be coupled to the stripper back plate.
- One side of the pressing force adjusting member is provided to be in contact with the second stripper, and the other side may be provided to be coupled to the upper plate.
- the punch unit may include a punch body and a punch provided at a lower portion of the punch body and having a pressing surface for pressing the pouch film.
- the first stripper is formed along the perimeter of the punch hole, through-holes passing through the upper and lower surfaces are formed, and the second stripper may be fixed to the upper plate by a fixing member provided through the through-hole.
- the pouch film pressing force is adjusted by a pressing force adjusting member provided through the through hole, and the pressing force adjusting member has one side provided in contact with the second stripper and the other side coupled to the upper plate. .
- the pouch forming apparatus is formed in the form of a flat plate so that the pouch film is seated on the upper side, and the cup portion forming holes penetrating the upper and lower surfaces are formed, and the pouch film is pressurized and fixed at the top of the die plate, and the cup portion is formed.
- a first stripper It is provided so as to protrude from the lower surface of the first stripper, and is provided along the circumference of the punch hole and includes a second stripper that presses and fixes the pouch film, whereby the second stripper uniformly and strongly spreads the pouch film around the cup portion forming position of the pouch film By pressurizing, it is possible to minimize wrinkles around the cup portion, prevent cracks or breaks that may occur due to wrinkles, improve molding quality, achieve space efficiency in the cup portion, and maximize energy density.
- FIG. 1 is a view showing a state in which wrinkles or cracks occur in a conventional pouch.
- FIG. 2 is a view showing a state in which wrinkles are intensively formed in a cup portion of a conventional pouch.
- FIG 3 is a perspective view showing a pouch forming apparatus according to a first embodiment of the present invention.
- FIG. 4 is a side view showing the pouch forming apparatus according to the first embodiment of the present invention.
- FIG. 5 is an exploded perspective view showing some configurations of the pouch molding apparatus according to the first embodiment of the present invention in an exploded manner.
- Figure 6 is a bottom perspective view showing the first stripper of the pouch forming apparatus according to the first embodiment of the present invention from the bottom.
- Figure 7 is a bottom perspective view showing the first stripper and the second stripper of the pouch forming apparatus according to the first embodiment of the present invention.
- FIG 8 is a side view transparently showing the first stripper and the stripper back plate in the pouch forming apparatus according to the first embodiment of the present invention.
- FIG. 9 is a perspective view transparently showing a first stripper and a stripper back plate among some components of the pouch forming apparatus according to Example 1 of the present invention.
- FIG 10 is a side view transparently showing the first stripper and the stripper back plate in the pouch forming apparatus according to the second embodiment of the present invention.
- FIG. 3 is a perspective view showing a pouch forming apparatus according to a first embodiment of the present invention.
- 4 is a side view showing the pouch forming apparatus according to the first embodiment of the present invention.
- 5 is an exploded perspective view showing some configurations of the pouch molding apparatus according to the first embodiment of the present invention in an exploded manner.
- Figure 6 is a bottom perspective view showing the first stripper of the pouch forming apparatus according to the first embodiment of the present invention from the bottom.
- Figure 7 is a bottom perspective view showing the first stripper and the second stripper of the pouch forming apparatus according to the first embodiment of the present invention.
- 8 is a side view transparently showing the first stripper and the stripper back plate in the pouch forming apparatus according to the first embodiment of the present invention.
- 9 is a perspective view transparently showing a first stripper and a stripper back plate among some components of the pouch forming apparatus according to Example 1 of the present invention.
- the pouch forming apparatus 10 includes a die plate 100, a first stripper 200, a punch unit 300, and a second stripper 400.
- the die plate 100 is formed in a flat plate shape so that the pouch film is seated thereon, and cup forming holes 100a penetrating the upper and lower surfaces are formed. That is, in a state where the pouch film is seated on the upper portion, the cup portion of the pouch is molded by passing the punch portion 300 to be described later through the cup portion forming hole 100a. Accordingly, the die plate 100 serves to support or fix the pouch film from the lower side. Meanwhile, the die plate 100 may be formed in a flat plate shape to support or fix the pouch film so that a uniform surface pressure is applied to the pouch film seated on the die plate 100 .
- the first stripper 200 presses and fixes the pouch film on the top of the die plate 100, and a punch hole 200a penetrating the upper and lower surfaces is formed at a position corresponding to the cup forming hole 100a. That is, the pouch film may be supported by the die plate 100 at the bottom and pressed and fixed by the first stripper 200 at the top.
- the pouch film is not necessarily seated on the top of the die plate 100 and the first stripper 200 is not limited to pressing and fixing the pouch film on the top of the die plate 100, on the contrary, the first stripper 200
- the pouch film is seated on the upper part of the first stripper 200, and the die plate 100 may press and fix the pouch film on top of the first stripper 200.
- the punch unit 300 is drawn in and out of the punch hole 200a of the first stripper 200 and the cup forming hole 100a of the die plate 100 to form a pouch film.
- the punch unit 300 is first introduced into the punch hole 200a of the first stripper 200 and then introduced into the cup forming hole 100a of the die plate 100 to press the pouch film to form the cup portion.
- the cup portion when the cup portion is formed, it may be drawn out from the cup portion forming hole 100a of the die plate 100 and then drawn out from the punch hole 200a of the first stripper 200.
- the second stripper 400 is provided to protrude from the lower surface of the first stripper 200, and is provided along the circumference of the punch hole 200a to press and fix the pouch film.
- the second stripper 400 uniformly and strongly presses the pouch film around the cup portion forming position of the pouch film, thereby minimizing wrinkles around the cup portion and preventing cracks or breaks that may occur due to wrinkles.
- space efficiency of the cup part can be achieved and energy density can be maximized.
- the second stripper 400 may be formed in a ring shape having an inner circumference and an outer circumference, and the inner circumference may be formed larger than the circumference of the punch hole 200a. Since the second stripper 400 is provided along the circumference of the punch hole 200a, when the inner circumference is formed smaller than the circumference of the punch hole 200a, the second stripper 400 of the first stripper 200 It interferes with the punch part 300 passing through the punch hole 200a, and as a result, the movement of the second stripper 400 occurs or the punch part 300 is not properly punched, so the molding quality of the pouch cup part deteriorates It can be. Therefore, the inner circumference of the second stripper 400 is formed larger than the circumference of the punch hole 200a, so that the second stripper 400 does not interfere with the punch unit 300 and presses the pouch film uniformly and effectively do.
- a friction coating layer may be formed on a surface of the second stripper 400 facing the die plate 100 . Since the pouch film is seated on the die plate 100, the surface facing the die plate 100 in the second stripper 400 can be understood as the same as the pressure surface on which the second stripper 400 presses the pouch film. can As such, the friction coating layer is formed on the surface of the second stripper 400 facing the die plate 100, so that the frictional force between the second stripper 400 and the pouch film increases, and as a result, the second stripper 400 Since it is possible to press the pouch film more uniformly and strongly, it is possible to suppress wrinkles around the cup portion forming position.
- the friction coating layer may include a material capable of increasing frictional force between the second stripper 400 and the pouch film, and may preferably include silicone. However, it is not necessarily limited to silicon, there is no concern about reacting physically and chemically with the pouch film, and it may be selected as a material having a greater coefficient of friction than the second stripper 400. On the other hand, in addition to having a large friction coefficient by including a specific material, the friction coefficient may be increased by varying the shape or roughness of the surface.
- the first stripper 200 is doedoe formed along the circumference of the punch hole (200a), the insertion groove (200b) of the form recessed from the bottom to the top may be formed.
- the indented form from the bottom to the top may be understood as the same as the indented form in the direction from one side to the other side of the first stripper 200 having a thickness.
- one side may be a side of the first stripper 200 provided with the second stripper 400, and the other side may be a side opposite to one side of the first stripper 200.
- the insertion groove 200b is formed in the first stripper 200, so that the second stripper 400 can be introduced or drawn into the insertion groove 200b as will be described later, whereby the second stripper 400 The pressing force can be appropriately adjusted.
- the insertion groove (200b) may be formed to have a horizontal cross section of the form corresponding to the horizontal cross section of the second stripper 400, the second stripper 400 is It is provided so as to protrude from the lower surface of 1 stripper 200, is drawn in or drawn into the insertion groove 200b and may be provided to be movable in the vertical direction.
- the insertion groove (200b) provides a space for the second stripper 400 to be introduced or drawn into the first stripper 200, and for this purpose, a shape corresponding to the horizontal cross section of the second stripper 400 It is formed to have.
- the insertion groove 200b has a shape corresponding to the horizontal cross section of the second stripper 400
- the size of the insertion groove 200b has the same shape as the horizontal cross section of the second stripper 400, This may mean that the width is as large as the size of the offset. If the size of the width of the insertion groove (200b) is the same as the size of the width of the second stripper 400, the second stripper 400 is not inserted into the insertion groove (200b), or even if inserted into the insertion groove (200b) movement is not made smoothly due to interference by the pressure, and as a result, it is impossible to apply an appropriate pressing force.
- the size of the offset is an appropriate width in which shaking of the second stripper 400 does not occur inside the insertion groove 200b after being inserted while the second stripper 400 is easily inserted into the insertion groove 200b. It is desirable to have In fact, the size of the offset may be experimentally determined according to the width of the second stripper 400 to be manufactured.
- the second stripper 400 is provided in a state of protruding from the lower surface of the first stripper 200, and may be partially inserted into the insertion groove 200b as the second stripper 400 presses the pouch film Thereby, it is possible to suppress the occurrence of wrinkles by appropriately pressing the pouch film, and at the same time, it is possible to improve the molding quality by preventing the shape of the second stripper 400 from remaining around the cup part molding position.
- the pouch forming apparatus 10 may further include an upper plate 700 and a lower plate 800 .
- the upper plate 700 may be provided above the first stripper 200, and the lower plate 800 may be provided below the die plate 100.
- the upper plate 700 and the lower plate 800 may be coupled to each other by a coupling member 900 having a length in the vertical direction from the edge. That is, the upper plate 700 is provided at the upper end of the pouch forming apparatus 10, and the punch unit 300 and the configuration of the stripper back plate 500 described later may be coupled and fixed.
- the lower plate 800 is provided at the lower end of the pouch forming apparatus 10 and may serve to support the entire pouch forming apparatus 10 from the lower portion.
- the pouch forming apparatus 10 may further include a stripper back plate 500 and a die back plate 600.
- the stripper back plate 500 is provided between the first stripper 200 and the upper plate 700, and may fix at least one of the first stripper 200 or the second stripper 400.
- the die back plate 600 is provided between the lower plate 800 and the die plate 100 and may support the die plate 100 from the lower side.
- the first stripper 200, the second stripper 400, and the die plate 100 directly contact the pouch film and serve to pressurize the pouch film, and the stripper back plate 500 and the die back plate 600 is provided on the top or bottom of the stripper and the die plate 100 described above so that the first and second strippers and the die plate 100 can be stably fixed to the pouch forming apparatus 10.
- the first stripper 200 doedoe formed along the circumference of the punch hole (200a), through-holes (200c) penetrating the upper and lower surfaces may be formed.
- the second stripper 400 may be fixed to the stripper back plate 500 by a fixing member 410 passing through the through hole 200c.
- the stripper bag By being fixed to the plate 500, it is possible to move up and down independently of the first stripper 200, so that an appropriate pressing force can be applied to the pouch film.
- a plurality of through holes 200c may be formed, and a plurality of fixing members 410 may also be formed, but the number of the through holes 200c may be equal to or less than the number of the through holes 200c.
- the stripper 400 can be fixed.
- the fixing member 410 may be a stopper method in which the length is changed but not changed and fixed to a predetermined length or less or a predetermined length or more.
- the meaning of being fixed without changing beyond a predetermined length means that the second stripper 400 is fixed so that the second stripper 400 protrudes to the lower surface of the first stripper 200, but the die plate 100 and the second stripper 400 are fixed. It may mean that the second stripper 400 does not fluctuate beyond the fixed length protruding so that the pouch film cannot be seated between the first stripper 200.
- the second stripper 400 is inserted into the insertion groove 200b formed in the first stripper 200, and is completely inserted into the insertion groove 200b to When viewed from, it may mean that the second stripper 400 does not fluctuate below a length that does not protrude.
- the pressing force for pressing the pouch film may be adjusted by the pressing force adjusting member 420 provided through the through hole 200c.
- the pressing force adjusting member 420 is provided separately from the fixing member 410, and the second stripper 400 applies force in the opposite direction to the direction in which the first stripper 200 is inserted into the insertion groove 200b,
- the second stripper 400 provides a pressing force to press the pouch film. Therefore, the pressing force adjusting member 420 may continuously increase the pressing force of the second stripper 400 as the second stripper 400 is inserted into the insertion groove 200b.
- One side of the pressing force adjusting member 420 may be provided to be in contact with the second stripper 400, and the other side may be provided to be coupled with the stripper back plate 500.
- the pressing force adjusting member 420 may also be formed in plural, thereby adjusting the pressing force for each position.
- the pressing force adjusting member 420 may include a spring having elasticity in the longitudinal direction. Since the elastic force increases as the spring is compressed, when the pressing force adjusting member 420 is selected as a spring, the second stripper 400 is inserted into the insertion groove 200b, so that the pressing force of the second stripper 400 continuously increases It can be.
- the pressing force adjusting member 420 may further include a spring fixing member for fixing the other side of the spring to the stripper back plate 500 in addition to the spring.
- the punch unit 300 may include a punch body 320 and a punch 310 that is provided under the punch body 320 and has a pressing surface for pressing the pouch film.
- the punch body 320 may be configured to fix the punch unit 300 to the pouch forming apparatus 10, and the punch 310 having a pressing surface directly pressurizes the pouch film in the shape of the cup unit to be molded. and size.
- the punch unit 300 may move to form the cup unit.
- Example 2 of the present invention the pressing force adjusting member 420 of Example 1 is provided so that one side is in contact with the second stripper 400, and the other side is provided to be coupled to the upper plate 700. There is a difference from 1. Contents common to Example 1 will be omitted as much as possible, and Example 2 will be described with a focus on differences. That is, it is obvious that the content not described in Example 2 can be regarded as the content of Example 1 when necessary.
- FIG 10 is a side view transparently showing the first stripper and the stripper back plate in the pouch forming apparatus according to the second embodiment of the present invention.
- the pouch forming apparatus 10 includes a die plate 100, a first stripper 200, a punch unit 300, and a second stripper 400 .
- a stripper back plate 500, a die back plate 600, an upper plate 700 and a lower plate 800 may be further included.
- the first stripper 200 is formed along the circumference of the punch hole 200a, a through hole 200c passing through the upper and lower surfaces is formed, and the second stripper 400 is fixed through the through hole 200c. It may be fixed to the stripper back plate 500 by the member 410 .
- the pouch film pressing force may be adjusted by the pressing force adjusting member 420 provided through the through hole 200c, and at this time, the pouch forming apparatus according to the second embodiment of the present invention ( 10) of the pressing force adjusting member 420, one side is provided to come into contact with the second stripper 400, the other side may be provided to be coupled to the upper plate (700).
- the other side of the pressing force adjusting member 420 is coupled to the upper plate 700, so that the pressing force can be provided more stably than when it is coupled to the stripper back plate 420, and the pressing force adjusting member 420 is spring In the case of including, it is possible to form a long length of the spring, it is possible to provide a more diverse size of the pressing force.
- the pressing force adjusting member 420 may further include a spring fixing member for fixing the other side of the spring to the stripper back plate 500 in addition to the spring.
- Example 3 of the present invention the second stripper 400 of Examples 1 and 2 is fixed by the fixing member 410, but not to the stripper back plate 500, but to the upper plate 700. There is a difference from Examples 1 and 2. Contents common to Embodiments 1 and 2 will be omitted as much as possible, and Embodiment 3 will be described with a focus on differences. That is, it is obvious that the contents of Embodiments 1 and 2 can be regarded as contents not described in Embodiment 3 when necessary.
- the pouch forming apparatus 10 includes a die plate 100, a first stripper 200, a punch unit 300, and a second stripper 400.
- a die back plate 600 an upper plate 700 and a lower plate 800 may be further included.
- the first stripper 200 is formed along the circumference of the punch hole 200a, a through hole 200c passing through the upper and lower surfaces is formed, and the second The stripper 400 may be fixed to the upper plate 700 by a fixing member 410 provided through the through hole. Accordingly, it is possible to simplify the structure of the pouch forming apparatus while maintaining the pouch forming quality.
- the fixing member 410 may be a stopper method in which the length is changed but not changed and fixed to a predetermined length or less or a predetermined length or more.
- the pouch film pressing force of the second stripper 400 may be adjusted by the pressing force adjusting member 420 provided through the through hole 200c.
- the detailed configuration of the fixing member 410 and the pressing force adjusting member 420 and the resulting effect can be understood as the same as in the first embodiment.
- the pouch film pressing force is adjusted by the pressing force adjusting member 420 provided through the through hole 200c, and one side of the pressing force adjusting member 420 is the second stripper 400 It is provided to be in contact with, and the other side may be provided to be coupled to the upper plate (700).
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Making Paper Articles (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
Claims (17)
- 상부에 파우치 필름이 안착되도록 평판 형태로 형성되되, 상하면을 관통하는 형태의 컵부 성형홀이 형성되는 다이 플레이트;상기 다이 플레이트의 상부에서 파우치 필름을 가압 고정하며, 상기 컵부 성형홀에 대응되는 위치에서 상하면을 관통하는 형태의 펀치홀이 형성되는 제1 스트리퍼;상기 제1 스트리퍼의 펀치홀과 상기 다이 플레이트의 컵부 성형홀에 인입 및 인출되어 파우치 필름을 성형하는 펀치부; 및상기 제1 스트리퍼의 하부면으로부터 돌출되도록 구비되되, 상기 펀치홀의 둘레를 따라 구비되어 파우치 필름을 가압 고정하는 제2 스트리퍼를 포함하는 파우치 성형장치.
- 제1항에 있어서,상기 제2 스트리퍼는,내측 둘레와 외측 둘레를 갖는 고리 형태로 형성되되,상기 내측 둘레가 상기 펀치홀의 둘레보다 크게 형성되는 것을 특징으로 하는 파우치 성형장치.
- 제1항에 있어서,상기 제2 스트리퍼는,상기 다이 플레이트와 서로 마주보는 면에 마찰 코팅층이 형성되는 것을 특징으로 하는 파우치 성형장치.
- 제3항에 있어서,상기 마찰 코팅층은,실리콘을 포함하는 파우치 성형장치.
- 제1항에 있어서,상기 제1 스트리퍼는,상기 펀치홀의 둘레를 따라 형성되되, 하부에서 상부로 만입된 형태의 삽입홈이 형성되는 파우치 성형장치.
- 제5항에 있어서,상기 삽입홈은,상기 제2 스트리퍼의 수평방향 단면과 대응되는 형태의 수평방향 단면을 갖도록 형성되고,상기 제2 스트리퍼는,상기 제1 스트리퍼의 하부면으로부터 돌출되도록 구비되되, 상기 삽입홈의 내부로 인입 또는 인출되며 상하 방향으로 이동 가능하게 구비되는 것을 특징으로 하는 파우치 성형장치.
- 제1항에 있어서,상기 제1 스트리퍼의 상부에 구비되는 상부 플레이트; 및상기 다이 플레이트의 하부에 구비되는 하부 플레이트를 더 포함하고,상기 상부 플레이트와 상기 하부 플레이트는,가장자리에서 상하 방향으로 길이를 갖는 결합부재에 의해 서로 결합되는 것을 특징으로 하는 파우치 성형장치.
- 제7항에 있어서,상기 제1 스트리퍼와 상기 상부 플레이트의 사이에 구비되며, 상기 제1 스트리퍼 또는 상기 제2 스트리퍼 중 적어도 하나를 고정하는 스트리퍼 백플레이트; 및상기 하부 플레이트와 상기 다이 플레이트 사이에 구비되며, 상기 다이 플레이트를 하부에서 지지하는 다이 백플레이트를 더 포함하는 파우치 성형장치.
- 제8항에 있어서,상기 제1 스트리퍼는,상기 펀치홀의 둘레를 따라 형성되되, 상하면을 관통하는 관통홀이 형성되고,상기 제2 스트리퍼는,상기 관통홀을 관통하여 구비되는 고정부재에 의해 상기 스트리퍼 백플레이트에 고정되는 것을 특징으로 하는 파우치 성형장치.
- 제9항에 있어서,상기 고정부재는,길이가 변동되되, 기 설정된 길이 이하 또는 기 설정된 길이 이상으로는 변동되지 않고 고정되는 스토퍼 방식인 것을 특징으로 하는 파우치 성형장치.
- 제9항에 있어서,상기 제2 스트리퍼는,상기 관통홀을 관통하여 구비되는 가압력 조절부재에 의해 파우치 필름 가압력이 조절되는 것을 특징으로 하는 파우치 성형장치.
- 제11항에 있어서,상기 가압력 조절부재는,길이 방향으로 탄성을 갖는 스프링을 포함하는 파우치 성형장치.
- 제11항에 있어서,상기 가압력 조절부재는,일 측이 제2 스트리퍼에 접하도록 구비되고,타 측은 스트리퍼 백플레이트에 결합되도록 구비되는 것을 특징으로 하는 파우치 성형장치.
- 제11항에 있어서,상기 가압력 조절부재는,일 측이 제2 스트리퍼에 접하도록 구비되고,타 측은 상부 플레이트에 결합되도록 구비되는 것을 특징으로 하는 파우치 성형장치.
- 제1항에 있어서,상기 펀치부는,펀치 바디; 및상기 펀치 바디의 하부에 구비되며, 파우치 필름을 가압하는 가압면이 형성되는 펀치를 포함하는 파우치 성형장치.
- 제7항에 있어서,상기 제1 스트리퍼는,상기 펀치홀의 둘레를 따라 형성되되, 상하면을 관통하는 관통홀이 형성되고,상기 제2 스트리퍼는,상기 관통홀을 관통하여 구비되는 고정부재에 의해 상기 상부 플레이트에 고정되는 것을 특징으로 하는 파우치 성형장치.
- 제16항에 있어서,상기 제2 스트리퍼는,상기 관통홀을 관통하여 구비되는 가압력 조절부재에 의해 파우치 필름 가압력이 조절되되,상기 가압력 조절부재는,일 측이 제2 스트리퍼에 접하도록 구비되고,타 측은 상부 플레이트에 결합되도록 구비되는 것을 특징으로 하는 파우치 성형장치.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22887555.5A EP4357101A1 (en) | 2021-10-27 | 2022-10-25 | Pouch molding apparatus |
CN202280032984.4A CN117295597A (zh) | 2021-10-27 | 2022-10-25 | 袋成型设备 |
JP2023566630A JP2024518345A (ja) | 2021-10-27 | 2022-10-25 | パウチ成形装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2021-0145041 | 2021-10-27 | ||
KR1020210145041A KR20230060379A (ko) | 2021-10-27 | 2021-10-27 | 파우치 성형장치 |
Publications (1)
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WO2023075359A1 true WO2023075359A1 (ko) | 2023-05-04 |
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PCT/KR2022/016342 WO2023075359A1 (ko) | 2021-10-27 | 2022-10-25 | 파우치 성형장치 |
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EP (1) | EP4357101A1 (ko) |
JP (1) | JP2024518345A (ko) |
KR (1) | KR20230060379A (ko) |
CN (1) | CN117295597A (ko) |
WO (1) | WO2023075359A1 (ko) |
Citations (5)
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KR20080082799A (ko) * | 2007-03-09 | 2008-09-12 | 삼성에스디아이 주식회사 | 이차 전지용 파우치 제조 방법 및 이차전지용 파우치 |
US20140260495A1 (en) * | 2013-03-14 | 2014-09-18 | Aida Engineering, Ltd. | Drawing method and servo press system |
WO2015045797A1 (ja) * | 2013-09-26 | 2015-04-02 | 株式会社村田製作所 | 絞り加工装置 |
KR20180118929A (ko) * | 2017-04-24 | 2018-11-01 | 주식회사 엘지화학 | 말림 방지 가이드 라인이 형성된 전지케이스 및 이의 제조장치 |
KR20200061034A (ko) * | 2018-11-23 | 2020-06-02 | 주식회사 엘지화학 | 파우치 성형장치 및 성형방법, 그를 포함하는 이차전지 제조설비 |
-
2021
- 2021-10-27 KR KR1020210145041A patent/KR20230060379A/ko unknown
-
2022
- 2022-10-25 EP EP22887555.5A patent/EP4357101A1/en active Pending
- 2022-10-25 CN CN202280032984.4A patent/CN117295597A/zh active Pending
- 2022-10-25 JP JP2023566630A patent/JP2024518345A/ja active Pending
- 2022-10-25 WO PCT/KR2022/016342 patent/WO2023075359A1/ko active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20080082799A (ko) * | 2007-03-09 | 2008-09-12 | 삼성에스디아이 주식회사 | 이차 전지용 파우치 제조 방법 및 이차전지용 파우치 |
US20140260495A1 (en) * | 2013-03-14 | 2014-09-18 | Aida Engineering, Ltd. | Drawing method and servo press system |
WO2015045797A1 (ja) * | 2013-09-26 | 2015-04-02 | 株式会社村田製作所 | 絞り加工装置 |
KR20180118929A (ko) * | 2017-04-24 | 2018-11-01 | 주식회사 엘지화학 | 말림 방지 가이드 라인이 형성된 전지케이스 및 이의 제조장치 |
KR20200061034A (ko) * | 2018-11-23 | 2020-06-02 | 주식회사 엘지화학 | 파우치 성형장치 및 성형방법, 그를 포함하는 이차전지 제조설비 |
Also Published As
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EP4357101A1 (en) | 2024-04-24 |
JP2024518345A (ja) | 2024-05-01 |
CN117295597A (zh) | 2023-12-26 |
KR20230060379A (ko) | 2023-05-04 |
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