CN115157372A

CN115157372A - Punch forming mechanism for aluminum plastic film

Info

Publication number: CN115157372A
Application number: CN202210802539.3A
Authority: CN
Inventors: 蒋奉伦
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-10-11

Abstract

The invention provides a punch forming mechanism for an aluminum-plastic film, which relates to the technical field of punch forming of the aluminum-plastic film and comprises the following components: the box body is internally provided with a lower die, the box body is internally provided with a lifting plate, the bottom of the lifting plate is provided with a die core, and the bottom of the lifting plate is provided with two cutting knives; the pressing assembly is arranged at the bottom of the lifting plate, so that wrinkles are prevented from occurring in the aluminum plastic film stamping process; and the clamping component is arranged on the lifting plate and used for clamping and fixing the mold core. This kind of cooperation through lifter plate and cutting knife is used, can be when to plastic-aluminum membrane stamping forming, cut the plastic-aluminum membrane after the shaping, reduce the processing step of plastic-aluminum membrane, improve work efficiency, can compress tightly the rim charge of the punching press position of plastic-aluminum membrane at stamping forming's in-process through pressing the subassembly, prevent that wrinkling from appearing in the rim charge among the forming process, influence the quality, use through the cooperation of mold core and block subassembly, be convenient for change the mold core.

Description

Punch forming mechanism for aluminum plastic film

Technical Field

The invention relates to the technical field of aluminum plastic film punch forming, in particular to a punch forming mechanism for an aluminum plastic film.

Background

The aluminum plastic film is an important composition structure of a lithium ion battery, has extremely high barrier property, good stamping formability, puncture resistance, electrolyte resistance stability and insulating property, and the stamping forming refers to a processing and forming method for obtaining a workpiece with a required shape and size by applying external force to plates, strips, pipes, profiles and the like by a press machine and a die to cause plastic deformation or separation.

The aluminum-plastic film used in the existing lithium battery is formed by punching the aluminum-plastic film through a punching die so as to produce an aluminum-plastic film shell, then the aluminum-plastic film shell after being formed is cut, redundant parts on the periphery of the aluminum-plastic film shell are cut off, in the actual production process, the punching and cutting are realized by independent corresponding operation equipment, the working efficiency is low, the production cost is high, the existing aluminum-plastic film punching die is in the punching process, the edge materials of the aluminum-plastic film are easily influenced by the punching of a die core, the aluminum-plastic film after being formed is folded, the punching and forming quality is influenced, the aluminum-plastic film is generally paved on the surface of a lower die and is right, the die core in the existing aluminum-plastic film punching and forming die needs to be maintained or replaced after the service time of the die core is long, and the steps of the existing punching and forming die are complicated when the die core is replaced, so that the working efficiency is low.

Disclosure of Invention

The invention aims to solve the defects in the background art, and provides a stamping forming mechanism for an aluminum plastic film, which can cut the formed aluminum plastic film while stamping the aluminum plastic film by matching a lifting plate and a cutting knife, thereby reducing the processing steps of the aluminum plastic film, improving the working efficiency, compressing the rim charge at the stamping position of the aluminum plastic film in the stamping forming process by a pressing component, preventing the rim charge from wrinkling in the forming process and influencing the quality, and facilitating the replacement of a mold core by matching the mold core and a clamping component.

In order to achieve the above object, the present invention provides the following technical solution, a press forming mechanism for an aluminum-plastic film, comprising: the box body is internally provided with a lower die, a lifting plate is arranged in the box body, the bottom of the lifting plate is provided with a die core, and the bottom of the lifting plate is provided with two cutting knives; the pressing assembly is arranged at the bottom of the lifting plate, so that wrinkles are prevented from occurring in the aluminum plastic film stamping process; the clamping component is arranged on the lifting plate and used for clamping and fixing the mold core; and the fixing component is arranged on the lower die and is used for pressing and fixing the aluminum-plastic film.

Further, the fixing assembly includes: two fixing plates which are arranged at the top of the lower die and are of an inverted U-shaped structure; the pressing device comprises a fixing plate, a plurality of through holes arranged on the fixing plate, a pressing rod used in a matched mode and arranged in the through holes in a penetrating mode, a moving plate is connected to the bottom of the pressing rod, and pressing idler wheels are arranged at the bottom of the moving plate.

Furthermore, a plurality of through-holes are horizontally and evenly arranged and distributed, the top end of the pressing rod is connected with a pull plate, and a pressing spring used for providing pressing force for the moving plate is sleeved on the outer side of the pressing rod.

Further, the pressing assembly includes: the first electric push rod is arranged at the top of the box body and is connected with the lifting plate; the buffer groove is formed in the bottom of the lifting plate, and a buffer hole communicated with the buffer groove is formed in the surface of the lifting plate; locate the press platen of lifter plate bottom, press platen top is connected with many dead levers, just dead lever top through the buffer hole protrusion in the lifter plate upper surface, buffer spring has been cup jointed to the dead lever outside.

Furthermore, a plurality of second cutting grooves are formed in the surface of the pressing plate, and an opening matched with the mold core is formed in the surface of the pressing plate.

Further, the clamping component comprises: the equipment box is arranged at the top of the lifting plate, and a second electric push rod is arranged at the top of the equipment box; connect in the movable plate of second electric putter bottom, a plurality of shifting chutes have been seted up on the movable plate, rotate through the bearing in the shifting chute and be connected with the connecting rod, the connecting rod tip is connected with the supporting rod that is "L" shape structure through the bearing rotation, the mold core surface seted up a plurality of with the supporting draw-in groove that uses of supporting rod.

Furthermore, the mounting groove that with the supporting use of mold core has been seted up to the lifter plate bottom, the lifter plate surface seted up with the fluting that the mounting groove switched on mutually, the supporting rod middle part with be equipped with the axis of rotation between the fluting inner wall, the supporting rod is close to the tip of mold core is equipped with the inclined plane.

Furthermore, the two cutting knives are respectively positioned at two sides of the mold core, a plurality of first cutting grooves are formed in the surface of the lower mold, and the first cutting grooves, the second cutting grooves and the cutting knives are positioned on the same vertical line.

Furthermore, a stamping groove is formed in the top of the lower die, and the stamping groove, the opening and the die core are located on the same vertical line.

The invention provides a punch forming mechanism for an aluminum plastic film, which has the following beneficial effects:

the invention has the advantages that through the matching use of the lifting plate and the cutting knife, the formed aluminum-plastic film can be cut while the aluminum-plastic film is subjected to punch forming, the processing steps of the aluminum-plastic film are reduced, and the production efficiency is improved. Secondly, can compress tightly the rim charge of the punching press position of plastic-aluminum membrane at stamping forming's in-process through pressing the subassembly, prevent that wrinkling from appearing in the rim charge among the forming process, influence the quality behind the plastic-aluminum membrane stamping forming. Then, through the cooperation use of mold core and block subassembly, be convenient for change the mold core, improve work efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a sectional view of the overall structure of the present invention.

Fig. 3 is a schematic structural diagram of the equipment box of the present invention.

FIG. 4 is a schematic diagram of the structure of the clamping rod of the present invention.

FIG. 5 is a top sectional view of the moving plate structure of the present invention.

Fig. 6 is a schematic diagram of a pressing plate structure according to the present invention.

FIG. 7 is a schematic view of the structure of the lower mold of the present invention.

Fig. 8 is a schematic structural view of a fixing plate according to the present invention.

Fig. 9 is an enlarged view of fig. 2 at a according to the present invention.

FIG. 10 is an enlarged view of the invention at B in FIG. 2

In FIGS. 1-10: 1. a box body; 2. a lower die; 201. punching a groove; 202. a first cutting groove; 203. a fixing plate; 204. a through hole; 205. a pressing lever; 206. moving the plate; 207. a pressing spring; 208. pressing the roller; 209. pulling a plate; 3. a first electric push rod; 301. a lifting plate; 3011. grooving; 3012. mounting grooves; 3013. a cutting knife; 302. a buffer tank; 303. fixing the rod; 304. a buffer spring; 305. a pressing plate; 306. a second cutting groove; 307. an opening; 4. an equipment box; 401. a second electric push rod; 402. moving the plate; 4021. a moving groove; 403. a connecting rod; 404. a clamping rod; 405. a rotating shaft; 5. a mold core; 501. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically, electrically or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The embodiment of the application provides a stamping forming mechanism that plastic-aluminum membrane was used, this stamping forming mechanism that plastic-aluminum membrane was used can realize using through the cooperation of lifter plate and cutting knife, can be when to plastic-aluminum membrane stamping forming, cuts the plastic-aluminum membrane after the shaping, reduces the processing step of plastic-aluminum membrane, improves production efficiency. The press molding mechanism for the aluminum plastic film will be described in detail below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.

The present application is described in detail below with reference to the attached drawings and the detailed description. Referring to fig. 1 to 10, a press forming mechanism for an aluminum-plastic film provided in this embodiment includes: the mold comprises a box body 1, wherein a lower mold 2 is arranged in the box body 1, a lifting plate 301 is arranged in the box body 1, a mold core 5 is arranged at the bottom of the lifting plate 301, and two cutting knives 3013 are arranged at the bottom of the lifting plate 301; the pressing assembly is arranged at the bottom of the lifting plate 301, so that wrinkles are prevented from occurring in the aluminum plastic film stamping process; the clamping component is arranged on the lifting plate 301 and used for clamping and fixing the mold core 5; and the fixing component is arranged on the lower die 2 and used for clamping and fixing the aluminum-plastic film.

In this embodiment, the punch forming mechanism for the aluminum plastic film mainly includes a box 1, a lower mold 2, a lifting plate 301, a cutting knife 3013, a mold core 5, a pressing component, a clamping component and a fixing component.

Wherein, stamping forming mechanism that the plastic-aluminum membrane was used passes through lifter plate 301 and cutting knife 3013's cooperation, can be when to plastic-aluminum membrane stamping forming, and the plastic-aluminum membrane after the shaping is cut, reduces the processing step of plastic-aluminum membrane, improves production efficiency. Secondly, can compress tightly the rim charge of the punching press position of plastic-aluminum membrane at stamping forming's in-process through pressing the subassembly, prevent that wrinkling from appearing in the rim charge among the forming process, influence the quality behind the plastic-aluminum membrane stamping forming. Then, through the cooperation use of mold core 5 and block subassembly, be convenient for change the mold core, improve work efficiency.

Illustratively, the securing assembly includes: two fixing plates 203 which are arranged on the top of the lower die 2 and have an inverted U-shaped structure; a plurality of through holes 204 are arranged on the fixed plate 203, a pressing rod 205 matched with the through holes 204 is arranged in the through holes 204 in a penetrating manner, a moving plate 206 is connected to the bottom of the pressing rod 205, and a pressing roller 208 is arranged at the bottom of the moving plate 206.

In the process of performing punch forming operation on the aluminum plastic film, the aluminum plastic film is flatly laid on the surface of the lower die 2, then the pulling plate 209 pulls the pressing rod 205, so that the pressing rod 205 drives the pressing roller 208 to move upwards through the moving plate 206, the pressing spring 207 is extruded to generate elastic deformation to generate elastic force, the generated elastic force acts on the pressing roller 208 through the moving plate 206, and then the aluminum plastic film is placed below the pressing roller 208.

In some embodiments, the through holes 204 are horizontally and uniformly distributed, the top end of the pressing rod 205 is connected with a pulling plate 209, and the outer side of the pressing rod 205 is sleeved with a pressing spring 207 for providing a pressing force for the moving plate 206.

And then the pulling plate 209 is loosened, so that the pressing roller 208 rebounds under the action of the elastic force of the pressing spring 207 to press and fix the aluminum-plastic film, and the aluminum-plastic film is prevented from being deviated in position before the punch forming, so that the punch forming precision is prevented from being influenced.

Illustratively, the pressing assembly includes: a first electric push rod 3 which is arranged at the top of the box body 1 and is connected with the lifting plate 301; the buffer groove 302 is formed at the bottom of the lifting plate 301, and the surface of the lifting plate 301 is provided with buffer holes communicated with the buffer groove 302; locate the pressing plate 305 of lifter plate 301 bottom, pressing plate 305 top is connected with many dead levers 303, and dead lever 303 top is through buffering hole protrusion in lifter plate 301 upper surface, and the dead lever 303 outside cup joints buffer spring 304.

In the in-process of stamping forming, lifter plate 301 drives and presses down the pressure board 305, make press the pressure board 305 to contact with the plastic-aluminum membrane earlier than mold core 5, press the plastic-aluminum membrane wholly, buffer spring 304 is pushed into in buffer slot 302 by pressure board 305 and lifter plate 301, make buffer spring 304 take place elastic deformation and produce elasticity, and act on pressing the pressure board 305 with the elasticity that produces, the pressure that the plastic-aluminum membrane received when making to push down is even, thereby the stamping forming effect of plastic-aluminum membrane has been improved, and extrude the plastic-aluminum membrane surface, compress tightly the peripheral material of the punching press position of plastic-aluminum membrane, prevent that the rim charge from wrinkling appearing in the forming process, influence the quality, reduce the speed of pushing down of mold core 5 simultaneously, avoid mold core 5 to push down the too fast stamping forming effect who influences the plastic-aluminum membrane.

In some embodiments, the surface of the pressing plate 305 is provided with a plurality of second cutting grooves 306, the surface of the pressing plate 305 is provided with an opening 307 matched with the mold core 5, and then the lifting plate 301 drives the mold core 5 to move down and punch the aluminum-plastic film through the opening 307.

Illustratively, the snap assembly includes: the equipment box 4 is arranged at the top of the lifting plate 301, and a second electric push rod 401 is arranged at the top of the equipment box 4; the movable plate 402 is connected to the bottom of the second electric push rod 401, a plurality of movable grooves 4021 are formed in the movable plate 402, a connecting rod 403 is rotatably connected to the inside of each movable groove 4021 through a bearing, the end of the connecting rod 403 is rotatably connected to a clamping rod 404 in an L-shaped structure through a bearing, and a plurality of clamping grooves 501 matched with the clamping rod 404 are formed in the surface of the mold core 5.

Because the mold core 5 is worn and torn easily after long-time use, consequently need change mold core 5, drive the movable plate 402 through second electric putter 401 and move down this moment, make the movable plate 402 move down through the one end that drives many connecting rods 403, and because the other end of connecting rod 403 is connected with clamping rod 404, make connecting rod 403 drive the one end of clamping rod 404 and move, and then let clamping rod 404 rotate in fluting 3011 through axis of rotation 405, and make clamping rod 404 withdraw from the draw-in groove 501, let mold core 5 and lifter plate 301 separate.

In some embodiments, the bottom of the lifting plate 301 is provided with a mounting groove 3012 used in cooperation with the mold core 5, the surface of the lifting plate 301 is provided with a slot 3011 communicated with the mounting groove 3012, a rotation shaft 405 is disposed between the middle of the clamping rod 404 and the inner wall of the slot 3011, and an inclined surface is disposed at the end of the clamping rod 404 close to the mold core 5.

When a new mold core 5 is replaced, the mold core 5 is arranged below the mounting groove 3012, the mold core 5 is moved to be inserted into the mounting groove 3012, at the moment, the second electric push rod 401 drives the moving plate 402 to move upwards, the clamping rod 404 rotates in the slot 3011, one end of the clamping rod 404 is inserted into the clamping groove 501 in the mold core 5, the mold core 5 is connected with the lifting plate 301 in a clamping mode, and replacement of the mold core 5 is completed.

In some embodiments, two cutting blades 3013 are respectively located on two sides of the mold core 5, the surface of the lower mold 2 is provided with a plurality of first cutting grooves 202, and the first cutting grooves 202, the second cutting grooves 306 and the cutting blades 3013 are located on the same vertical line.

When die core 5 stamping forming, cutting knife 3013 cuts the aluminium-plastic film after the stamping forming through second cutting groove 306, realizes automatic blank, reduces the processing step of aluminium-plastic film, prevents through first cutting groove 202 that cutting knife 3013 from bumping with bed die 2, causes bed die 2 or cutting knife 3013 to damage

In some embodiments, the stamping groove 201 is formed in the top of the lower mold 2, the stamping groove 201, the opening 307 and the mold core 5 are located on the same vertical line, and the mold core 5 punches the aluminum-plastic film on the lower mold 2 into the stamping groove 201 through the opening 307 to perform punch forming on the aluminum-plastic film.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The above detailed description is given to the punch forming mechanism for an aluminum plastic film provided in the embodiment of the present application, and specific examples are applied herein to explain the principle and the embodiment of the present application, and the description of the above embodiment is only used to help understand the technical solution and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.

Claims

1. The utility model provides a stamping forming mechanism that plastic-aluminum membrane was used which characterized in that includes:

the cutting device comprises a box body, a lower die is arranged in the box body, a lifting plate is arranged in the box body, a die core is arranged at the bottom of the lifting plate, and two cutting knives are arranged at the bottom of the lifting plate;

the pressing assembly is arranged at the bottom of the lifting plate, so that wrinkles are prevented from occurring in the aluminum plastic film stamping process;

the clamping component is arranged on the lifting plate and used for clamping and fixing the mold core; and

and the fixing component is arranged on the lower die and used for pressing and fixing the aluminum-plastic film.

2. The aluminum-plastic composite film stamping and forming mechanism of claim 1, wherein the fixing component comprises:

two fixing plates which are arranged on the top of the lower die and are of an inverted U-shaped structure;

the pressing device comprises a fixing plate, a plurality of through holes arranged on the fixing plate, a pressing rod used in a matched mode and arranged in the through holes in a penetrating mode, a moving plate is connected to the bottom of the pressing rod, and pressing idler wheels are arranged at the bottom of the moving plate.

3. The punch forming mechanism for the aluminum-plastic film as recited in claim 2, wherein the plurality of through holes are horizontally and uniformly arranged, the top end of the pressing rod is connected with a pulling plate, and a pressing spring for providing a pressing force to the moving plate is sleeved outside the pressing rod.

4. The aluminum-plastic film stamping and forming mechanism of claim 1, wherein the pressing assembly comprises:

the first electric push rod is arranged at the top of the box body and is connected with the lifting plate;

the buffer groove is formed in the bottom of the lifting plate, and a buffer hole communicated with the buffer groove is formed in the surface of the lifting plate;

locate the press platen of lifter plate bottom, press platen top is connected with many dead levers, just dead lever top through the buffer hole protrusion in the lifter plate upper surface, buffer spring has been cup jointed to the dead lever outside.

5. The punch forming mechanism for the aluminum-plastic film as recited in claim 4, wherein the surface of the pressing plate is provided with a plurality of second cutting grooves, and the surface of the pressing plate is provided with an opening matched with the mold core.

6. The press-forming mechanism for aluminum-plastic film according to claim 1, wherein said engaging member comprises:

the equipment box is arranged at the top of the lifting plate, and a second electric push rod is arranged at the top of the equipment box;

connect in the movable plate of second electric putter bottom, a plurality of shifting chutes have been seted up on the movable plate, rotate through the bearing in the shifting chute and be connected with the connecting rod, the connecting rod tip is connected with the supporting rod that is "L" shape structure through the bearing rotation, the mold core surface seted up a plurality of with the supporting draw-in groove that uses of supporting rod.

7. The punch forming mechanism for the aluminum-plastic film as recited in claim 6, wherein a mounting groove is formed at a bottom of the lifting plate for use with the mold core, a slot is formed in a surface of the lifting plate for communicating with the mounting groove, a rotation axis is disposed between a middle portion of the clamping rod and an inner wall of the slot, and an inclined plane is disposed at an end portion of the clamping rod close to the mold core.

8. The punch forming mechanism for the aluminum-plastic film as recited in claim 1, wherein two cutting knives are respectively disposed at two sides of the mold core, a plurality of first cutting grooves are formed on the surface of the lower mold, and the first cutting grooves, the second cutting grooves and the cutting knives are disposed on a same vertical line.

9. The punch forming mechanism for the aluminum-plastic film as recited in claim 1, wherein the top of the lower mold is provided with a punching groove, and the punching groove, the opening and the mold core are positioned on the same vertical line.