CN210969899U - Plastic-aluminum membrane forming device - Google Patents
Plastic-aluminum membrane forming device Download PDFInfo
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- CN210969899U CN210969899U CN201921730084.9U CN201921730084U CN210969899U CN 210969899 U CN210969899 U CN 210969899U CN 201921730084 U CN201921730084 U CN 201921730084U CN 210969899 U CN210969899 U CN 210969899U
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- 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
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model belongs to the technical field of stamping forming equipment technique and specifically relates to indicate an aluminum-plastic film forming device, including a supporting seat, the lower bolster, the male die core, cope match-plate pattern and terrace die actuating mechanism, the lower bolster is equipped with down shaping portion, side recess and two topside recesses, the cope match-plate pattern is equipped with shaping portion, side layering and two topside layering, it corresponds the setting with lower shaping portion to go up shaping portion, two topside layering are in order to form topside bending space in stretching to two topside recesses respectively suddenly, side layering projection is in order to form the side bending space in to the side recess, lower shaping portion is equipped with slide opening and a plurality of suction hole, it is equipped with the cavity to go up shaping portion. Through the cooperation of side recess and side layering, two topside recesses respectively with the cooperation of two topside layering so that the side of this plastic-aluminum membrane and the limit of bending of two topside all forms certain angle, should bend the limit and improve or prevent effectively that the marginal problem of curling from taking place of plastic-aluminum membrane shell, guaranteed the quality of the plastic-aluminum membrane shell after the shaping.
Description
Technical Field
The utility model belongs to the technical field of stamping forming equipment technique and specifically relates to indicate an aluminium-plastic film forming device.
Background
The lithium battery is a common component for providing electric energy for electronic products, and is widely applied to devices such as mobile phones, notebook computers, automobile power, charging energy storage and the like. Along with the development of lithium batteries, aluminum plastic film soft package lithium batteries are applied more and more. The common flexible package lithium battery needs to adopt the aluminum-plastic film shell formed by punching the pits to seal and package a bare cell, so that the process of preparing the aluminum-plastic film coil stock raw material into the aluminum-plastic film with the pits is needed in the production process of the flexible package lithium battery.
The lithium battery aluminum-plastic film pit forming die is mainly used for forming an aluminum-plastic film to produce an aluminum-plastic film shell, the contact surface of a concave template and a discharging plate of the forming die is a smooth plane, the plane is a pressing surface in the aluminum-plastic film stretching process, friction force presses materials around the pit of the aluminum-plastic film, and wrinkling of the materials during the forming process is prevented, so that the quality is influenced. After the aluminum-plastic film is formed, because the stress and the tensile degree of the inner layer and the outer layer of the formed aluminum-plastic film are different, the periphery of the aluminum-plastic film shell can be curled in different degrees, particularly the curling of the top edge and the side edge of the aluminum-plastic film shell is more obvious, the curling direction faces to the pit depth direction, and the deeper the pit punching depth is, the more serious the curling is. The crimping increases the reject ratio of the subsequent procedures of trimming, packaging and the like of the aluminum-plastic film shell, and the crimping directly causes flanging, back pressure and multilayer lamination of the top side of the aluminum-plastic film shell, so that the packaging thickness of the battery is unstable and wrinkles, and the rejection rate of the battery is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the present invention is to provide an aluminum-plastic film forming device for improving or preventing curling of the edge of an aluminum-plastic film shell.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an aluminum plastic film forming device comprises a supporting seat, a lower template arranged on the supporting seat, a convex mold core arranged on the lower template in a sliding manner, an upper template positioned above the lower template and used for being matched with the lower template, and a convex mold driving mechanism arranged between the lower template and the supporting seat, wherein the lower template is provided with a lower forming part, a side edge groove and two top edge grooves, the two top edge grooves are respectively positioned at two sides of the lower forming part, the side edge groove is positioned at one end of the lower forming part, two ends of the side edge groove are respectively communicated with and vertical to the two top edge grooves, the upper template is provided with an upper forming part, a side edge pressing strip and two top edge pressing strips, the upper forming part and the lower forming part are correspondingly arranged, the two top edge pressing strips respectively protrude into the two top edge grooves, the side edge pressing strip protrudes into the side edge groove, a top edge bending space used for containing the top edge of an aluminum plastic, be provided with the side space of buckling that is used for the side of holding plastic-aluminum membrane between the outer wall of side layering and the inner wall of side recess, lower shaping portion is provided with a plurality of holes of inhaling that are used for holding the slide opening of establishing protruding mold core and are used for inhaling tight plastic-aluminum membrane, it is provided with the cavity with the unsmooth adaptation of protruding mold core to go up shaping portion, terrace die actuating mechanism is used for driving protruding mold core and stretches out the slide opening suddenly or rolls back to in the slide opening.
Furthermore, the plurality of suction holes are divided into two rows of suction hole groups, each row of suction hole group is formed by arranging the plurality of suction holes, and the two rows of suction hole groups are respectively arranged at two sides of the sliding hole.
Furthermore, the number of the male die cores and the number of the slide holes are two.
Furthermore, the middle part of the supporting seat is provided with an accommodating cavity, the bottom wall of the accommodating cavity is arranged in the male die driving mechanism, and the lower die plate covers the accommodating cavity.
Furthermore, the upper die plate is provided with a side edge mounting groove for mounting the side edge pressing strip and two top edge mounting grooves for mounting the top edge pressing strip respectively, and two ends of the side edge mounting groove are communicated with and perpendicular to the two top edge mounting grooves respectively.
Further, the width and the length of the side edge mounting groove are respectively greater than the width and the length of the side edge pressing strip, and the width and the length of the side edge mounting groove are respectively equal to the width and the length of the side edge groove.
Further, the width and the length of the top edge installation groove are respectively larger than those of the top edge pressing strip, and the width and the length of the top edge installation groove are respectively equal to those of the top edge groove.
Furthermore, the side edge pressing strip and the top edge pressing strip are arranged on the upper template through screws.
Furthermore, the side edge bending space and the top edge bending space are both in a U shape, the side edge bending space and the top edge bending space respectively comprise a first top edge bending gap a, a second top edge bending gap b and a third top edge bending gap c which are sequentially communicated, and the widths of the first top edge bending gap a, the second top edge bending gap b and the third top edge bending gap c are all larger than the thickness d of the aluminum plastic film.
The utility model has the advantages that: at the beginning, the supporting seat is fixedly arranged on the frame, and the upper template is fixedly arranged on a punch of the punching machine, so that the upper template is arranged right above the lower template, and the concave cavity, the side edge pressing strip and the two top edge pressing strips are respectively aligned to the convex mold core, the side edge groove and the two top edge grooves; during actual work, an operator or a mechanical arm places the aluminum-plastic film on the upper surface of the lower template, and the aluminum-plastic film is adsorbed on the upper surface of the lower template through the plurality of adsorption holes, so that the stability of the aluminum-plastic film on the lower template is ensured, the straightness of the aluminum-plastic film is also ensured, then a punch of the punching machine drives the upper template to move close to the lower template until the upper template presses the adsorbed aluminum-plastic film on the lower template, so that the side edges and the two top edges of the aluminum-plastic film are respectively pressed into the side edge grooves and the two top edge grooves by the side edge pressing strips and the two top edge pressing strips, meanwhile, the male die driving mechanism drives the male die core to move close to the upper die plate until the male die core pushes the middle part of the aluminum-plastic film into the concave cavity, so that the middle part of the aluminum-plastic film is stretched and formed, so that the plastic-aluminum membrane is formed into the plastic-aluminum membrane shell, and finally the punch of the punching machine drives the upper template to move away from the lower template and reset, so that the formed plastic-aluminum membrane shell can be taken out. Because in the prior art, after the aluminum-plastic film is formed, the upper template is opened, the edge of the aluminum-plastic film shell can be curled or overturned under the action of stress, so that the quality of the formed aluminum-plastic film shell is poor, in the aluminum-plastic film forming process, the side edge and the two top edges of the aluminum-plastic film can form bent edges with a certain angle through the matching of the side edge grooves and the side edge pressing strips and the matching of the two top edge grooves and the two top edge pressing strips respectively, the bending direction of the bent edges is opposite to the curling direction of the aluminum-plastic film during forming, so that the edge (the side edge and the top edge) of the aluminum-plastic film shell generates a bent edge (reinforcing rib) capable of resisting the self curling of the aluminum-plastic film under the action of stress during forming, the bent edge effectively improves or prevents the curling problem of the edge of the aluminum-plastic film shell, improves the rigidity of the edge of the aluminum-plastic film shell, and ensures the quality of the formed aluminum-, the yield of the aluminum-plastic film shell in the subsequent processing procedures (such as edge cutting, packaging and the like) is improved.
Drawings
Fig. 1 is a schematic view of the exploded structure of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is an enlarged view at E in fig. 2.
Fig. 4 is a schematic structural diagram of the upper plate of the present invention.
Fig. 5 is a schematic structural view of the lower template of the present invention.
Fig. 6 is a schematic perspective view of the aluminum-plastic film shell of the present embodiment.
Fig. 7 is an enlarged view at F in fig. 6.
Description of reference numerals:
1. a supporting seat; 11. an accommodating cavity; 2. a lower template; 21. a lower molding section; 22. side grooves; 23. a top edge groove; 24. sucking holes; 25. a slide hole; 3. a male mold core; 4. mounting a template; 41. an upper molding section; 42. pressing strips on the side edges; 43. top edge layering; 44. a concave cavity; 45. side edge mounting grooves; 46. a top edge mounting groove; 5. a male die drive mechanism; 6. a top edge bending space; 8. an aluminum-plastic film shell; 81. and (6) bending edges.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
As shown in fig. 1 to 7, the aluminum-plastic film forming apparatus provided by the present invention comprises a supporting base 1, a lower template 2 installed on the top of the supporting base 1, a convex mold core 3 slidably installed on the lower template 2, an upper template 4 located above the lower template 2 and used for cooperating with the lower template 2, and a convex mold driving mechanism 5 installed between the lower template 2 and the supporting base 1, wherein the lower template 2 is provided with a lower forming portion 21, side grooves 22, and two top grooves 23, the two top grooves 23 are respectively located on two sides of the lower forming portion 21, the side groove 22 is located at one end of the lower forming portion 21, two ends of the side groove 22 are respectively communicated with and perpendicular to the two top grooves 23, the upper template 4 is provided with an upper forming portion 41, a side pressing strip 42, and two top pressing strips 43, the upper forming portion 41 and the lower forming portion 21 are correspondingly arranged, the two pressing strips 43 respectively protrude into the two top grooves 23, the side edge bead 42 protrudes into the side edge groove 22, the top edge groove 23 has a groove width larger than that of the top edge bead 43, the width of the side groove 22 is larger than that of the side bead 42, a top edge bending space 6 for accommodating the top edge of the aluminum-plastic film is arranged between the outer wall of the top edge bead 43 and the inner wall of the top edge groove 23, a side bending space for accommodating the side of the aluminum-plastic film is arranged between the outer wall of the side pressing strip 42 and the inner wall of the side groove 22, the lower forming part 21 is provided with a sliding hole 25 for accommodating the male mold core 3 and a plurality of suction holes 24 for tightly sucking the aluminum-plastic film, the upper forming part 41 is provided with a concave cavity 44 which is in concave-convex fit with the male die core 3, the male die driving mechanism 5 is used for driving the male die core 3 to protrude out of the sliding hole 25 or retreat into the sliding hole 25, the number of the male die cores 3 and the number of the slide holes 25 are two, and the plurality of suction holes 24 are communicated with a vacuumizing device.
At the beginning, the supporting seat 1 is fixedly arranged on the frame, and then the upper template 4 is fixedly arranged on the punch head of the punching machine, so that the upper template 4 is right above the lower template 2, and the concave cavity 44, the side edge pressing strip 42 and the two top edge pressing strips 43 are respectively aligned with the convex mold core 3, the side edge groove 22 and the two top edge grooves 23; in actual work, an operator or a mechanical arm places an aluminum-plastic film on the upper surface of the lower template 2, the plurality of suction holes 24 absorb the aluminum-plastic film on the upper surface of the lower template 2, so that the stability of the aluminum-plastic film on the lower template 2 is ensured, the flatness of the aluminum-plastic film is also ensured, then a punch of a punching machine drives the upper template 4 to move close to the lower template 2 until the upper template 4 presses the absorbed aluminum-plastic film on the lower template 2, so that the side edges and the two top edges of the aluminum-plastic film are respectively pressed into the side edge grooves 22 and the two top edge grooves 23 by the side edge pressing strips 42 and the two top edge pressing strips 43, meanwhile, the male die driving mechanism 5 drives the male die core 3 to move close to the upper template 4 until the male die core 3 pushes the middle part of the aluminum-plastic film into the cavity 44, so that the middle part of the aluminum-plastic film is formed by stretching, so that the aluminum-plastic film is formed into the aluminum-plastic film shell 8, and finally the upper template 4 is, the molded plastic-aluminum shell 8 can be taken out. Because in the prior art, after the aluminum-plastic film is formed, the upper template 4 is opened, the edge of the aluminum-plastic film shell 8 can curl or turn under the action of stress, which results in poor quality of the formed aluminum-plastic film shell 8, in the aluminum-plastic film forming process, the side edge of the aluminum-plastic film and the two top edges of the aluminum-plastic film form a bent edge 81 with a certain angle through the matching of the side edge groove 22 and the side edge pressing strip 42 and the matching of the two top edge grooves 23 and the two top edge pressing strips 43 respectively, the bending direction of the bent edge 81 is opposite to the curling direction of the aluminum-plastic film during forming, so that the edge (the side edge and the top edge) of the aluminum-plastic film shell 8 generates a bent edge 81 (reinforcing rib) which can resist the self curling of the aluminum-plastic film under the action of stress during forming, the bent edge 81 effectively improves or prevents the curling problem of the edge of the aluminum-plastic film shell 8, and improves the rigidity of the edge of the, the quality of the formed aluminum-plastic film shell 8 is ensured, and the yield of the aluminum-plastic film shell 8 in the subsequent processing procedures (such as trimming, packaging and the like) is improved.
Of course, depending on the size of the aluminum plastic film, the bent edge 81 is substantially arc-shaped when the size of the aluminum plastic film is small, and the bent edge 81 is substantially Z-shaped when the size of the aluminum plastic film is large. The number of the concave cavities 44, the number of the convex mold cores 3 and the number of the slide holes 25 are equal, and the number of the concave cavities, the number of the convex mold cores 3 and the number of the slide holes 25 can be increased or decreased according to actual requirements.
In this embodiment, the plurality of suction holes 24 are divided into two rows of suction hole groups, each row of suction hole group is formed by arranging the plurality of suction holes 24, and the two rows of suction hole groups are respectively disposed on both sides of the slide hole 25. The aluminum plastic film is adsorbed on the upper surface of the lower template 2 by the two rows of suction hole groups; this structural design for the adsorption affinity that the plastic-aluminum membrane received is even, has further guaranteed the stability and the straightness accuracy of plastic-aluminum membrane on cope match-plate pattern 4.
In this embodiment, the middle of the supporting seat 1 is provided with an accommodating cavity 11, the male die driving mechanism 5 is installed on the bottom wall of the accommodating cavity 11, and the lower template 2 covers the accommodating cavity 11; this structural design for compact structure between supporting seat 1, terrace die actuating mechanism 5 and the lower bolster 2 has reduced the utility model discloses a volume, and the terrace die actuating mechanism 5 drive terrace die core 3 of being convenient for reciprocate.
In this embodiment, the upper mold plate 4 is provided with a side edge mounting groove 45 for mounting the side edge pressing strip 42 and two top edge mounting grooves 46 for respectively mounting the top edge pressing strips 43, and two ends of the side edge mounting groove 45 are respectively communicated with and perpendicular to the two top edge mounting grooves 46. Due to the structural design, the side edge pressing strips 42 and the two top edge pressing strips 43 can be conveniently arranged on the upper template 4, and the position accuracy and the stability of the side edge pressing strips 42 and the two top edge pressing strips 43 arranged on the upper template 4 are ensured.
In this embodiment, the width and the length of the side edge mounting groove 45 are respectively greater than the width and the length of the side edge pressing strip 42, and the width and the length of the side edge mounting groove 45 are respectively equal to the width and the length of the side edge groove 22; due to the structural design, the left and right positions (the width direction of the side edge mounting groove 45) and the front and back positions (the length direction of the side edge mounting groove 45) of the side edge pressing strip 42 in the side edge mounting groove 45 can be conveniently adjusted, so that the shape of the formed bent edge 81 or the bending form of the bent edge 81 can be changed, and the production requirements of different aluminum-plastic film shells 8 can be met; preferably, the bending angle of the bending edge 81 is 91 ° to 150 °.
In this embodiment, the width and length of the top edge mounting groove 46 are respectively greater than the width and length of the top edge bead 43, and the width and length of the top edge mounting groove 46 are respectively equal to the width and length of the top edge groove 23; due to the structural design, the left and right positions (the width direction of the top edge mounting groove 46) and the front and back positions (the length direction of the top edge mounting groove 46) of the top edge pressing strip 43 in the top edge mounting groove 46 can be conveniently adjusted, so that the shape of the formed bent edge 81 or the bending form of the bent edge 81 can be changed, and the production requirements of different aluminum plastic film shells 8 can be met; preferably, the bending angle of the bending edge 81 is 91 ° to 150 °.
In this embodiment, the side pressing strips 42 and the top pressing strips 43 are both mounted on the upper mold plate 4 via screws, and the side pressing strips 42 and the top pressing strips 43 are detachably mounted on the upper mold plate 4 via screws, so that the side pressing strips 42 and the top pressing strips 43 can be conveniently detached and maintained, and the positions of the side pressing strips 42 and the top pressing strips 43 on the upper mold plate 4 can be conveniently adjusted.
In this embodiment, the side bending space and the top bending space 6 are both U-shaped, the side bending space and the top bending space 6 each include a first top bending gap a, a second top bending gap b, and a third top bending gap c sequentially connected to each other, because the widths of the first top edge bending gap a, the second top edge bending gap b and the third top edge bending gap c are all larger than the thickness d of the aluminum-plastic film, the fit clearance of the side edge bead 42 and the side edge groove 22 and the fit clearance of the top edge bead 43 and the top edge groove 23 are both larger than the thickness of the aluminum-plastic film, namely, the side edge of the aluminum-plastic film is in a loose state in the side edge bending space, the top edge of the aluminum-plastic film is in a loose state in the top edge bending space 6, the aluminum-plastic film is not deformed or sheared by pressure during bending, so that the side edges and the top edge of the aluminum-plastic film are bent and formed along the bending space (fitting gap) to form the bent edge 81.
All the technical features in the embodiment can be freely combined according to actual needs.
The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.
Claims (9)
1. The utility model provides an aluminum-plastic film forming device which characterized in that: the lower die plate is provided with a lower forming part, a side edge groove and two top edge grooves, the two top edge grooves are respectively positioned at two sides of the lower forming part, the side edge groove is positioned at one end of the lower forming part, two ends of the side edge groove are respectively communicated and vertical to the two top edge grooves, the upper die plate is provided with an upper forming part, a side edge pressing strip and two top edge pressing strips, the upper forming part and the lower forming part are correspondingly arranged, the two top edge pressing strips respectively protrude into the two top edge grooves, the side edge pressing strips extend into the side edge grooves, a top edge bending space for containing an aluminum plastic film is arranged between the outer wall of each top edge pressing strip and the inner wall of each top edge groove, be provided with the side space of buckling that is used for the side of holding plastic-aluminum membrane between the outer wall of side layering and the inner wall of side recess, lower shaping portion is provided with a plurality of holes of inhaling that are used for holding the slide opening of establishing protruding mold core and are used for inhaling tight plastic-aluminum membrane, it is provided with the cavity with the unsmooth adaptation of protruding mold core to go up shaping portion, terrace die actuating mechanism is used for driving protruding mold core and stretches out the slide opening suddenly or rolls back to in the slide opening.
2. The aluminum-plastic film forming apparatus according to claim 1, wherein: the plurality of suction holes are divided into two rows of suction hole groups, each row of suction hole group is formed by arranging a plurality of suction holes, and the two rows of suction hole groups are respectively arranged at two sides of the sliding hole.
3. The aluminum-plastic film forming apparatus according to claim 1, wherein: the number of the male die cores and the number of the slide holes are two.
4. The aluminum-plastic film forming apparatus according to claim 1, wherein: the middle part of supporting seat is provided with the holding chamber, the diapire in holding chamber is located to the terrace die actuating mechanism dress, the holding chamber is hidden to the lower bolster.
5. The aluminum-plastic film forming apparatus according to claim 1, wherein: the upper template is provided with a side edge mounting groove for mounting a side edge pressing strip and two top edge mounting grooves for mounting a top edge pressing strip respectively, and two ends of the side edge mounting groove are communicated with and perpendicular to the two top edge mounting grooves respectively.
6. The aluminum-plastic film forming apparatus according to claim 5, wherein: the width and the length of side mounting groove are greater than the width and the length of side layering respectively, the width and the length of side mounting groove equal to the width and the length of side recess respectively.
7. The aluminum-plastic film forming apparatus according to claim 5, wherein: the width and the length of the top edge mounting groove are respectively greater than those of the top edge pressing strip, and the width and the length of the top edge mounting groove are respectively equal to those of the top edge groove.
8. The aluminum-plastic film forming apparatus according to claim 1, wherein: the side edge pressing strip and the top edge pressing strip are arranged on the upper template through screws.
9. The aluminum-plastic film forming apparatus according to claim 1, wherein: the side edge bending space and the top edge bending space are both in a U shape, the side edge bending space and the top edge bending space respectively comprise a first top edge bending gap a, a second top edge bending gap b and a third top edge bending gap c which are sequentially communicated, and the widths of the first top edge bending gap a, the second top edge bending gap b and the third top edge bending gap c are all larger than the thickness d of the aluminum-plastic film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921730084.9U CN210969899U (en) | 2019-10-15 | 2019-10-15 | Plastic-aluminum membrane forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921730084.9U CN210969899U (en) | 2019-10-15 | 2019-10-15 | Plastic-aluminum membrane forming device |
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| Publication Number | Publication Date |
|---|---|
| CN210969899U true CN210969899U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921730084.9U Active CN210969899U (en) | 2019-10-15 | 2019-10-15 | Plastic-aluminum membrane forming device |
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| CN (1) | CN210969899U (en) |
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- 2019-10-15 CN CN201921730084.9U patent/CN210969899U/en active Active
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