Aluminum-plastic film pit punching device for lithium battery packaging production line

Abstract

The utility model relates to the technical field of lithium batteries, and discloses an aluminum-plastic film pit punching device for a lithium battery packaging production line, which is provided with a pit punching mechanism and further comprises a slitting mechanism for dividing an aluminum-plastic film into two parts, the conveying mechanism is used for conveying the aluminum plastic film which is divided into two parts to the pit punching mechanism; the limiting mechanism is used for limiting and fixing the aluminum plastic film during punching; according to the aluminum-plastic film pit punching device for the lithium battery packaging production line, an original aluminum-plastic film is cut into two parts by the slitting mechanism; the conveying mechanism is responsible for conveying the cut aluminum plastic film to the pit punching mechanism; the limiting mechanism ensures the accuracy and consistency of pit punching in the punching process; the pit punching mechanism creates pits or grooves in the aluminum-plastic films, necessary processing is carried out on the films, and pits can be punched on two or more aluminum-plastic films at a time.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, and in particular to an aluminum-plastic film punching device for a lithium battery packaging production line. Background Art

[0002] Aluminum-plastic film punching device refers to equipment used to produce battery aluminum-plastic film packaging; punching device refers to punching concave and convex pits on the film for placing lithium batteries;

[0003] At present, there are the following problems in the market: the aluminum-plastic film punching device of the current lithium battery packaging production line can generally only punch one hole for a sheet of aluminum-plastic film at a time, which is inefficient; and the aluminum-plastic film is poorly fixed during punching and is prone to deviation;

[0004] The utility model aims to solve the technical problem of providing an aluminum-plastic film punching device with high efficiency and high precision. Utility Model Content

[0005] The technical problem to be solved by the utility model is: to provide an aluminum-plastic film punching device with high efficiency and high precision; to adopt a slitting mechanism to cut the original aluminum-plastic film into two parts; to adopt a conveying mechanism to convey the cut aluminum-plastic film to a punching mechanism; to adopt a limiting mechanism to ensure the accuracy and consistency of punching during the punching process; to adopt a punching mechanism to create a hole or a groove on the aluminum-plastic film, to perform necessary processing on the film, and to punch two or more aluminum-plastic films at one time.

[0006] A device for punching holes in aluminum-plastic film of a lithium battery packaging production line, comprising a punching mechanism and further comprising:

[0007] The slitting mechanism divides the aluminum-plastic film into two parts;

[0008] The transporting mechanism transports the aluminum-plastic film that has been split into two to the flushing mechanism;

[0009] The limiting mechanism is used to limit and fix the aluminum-plastic film during punching.

[0010] Preferably, the punching mechanism includes a frame, an upper punch module that slides up and down with the frame, and a lower punch module that slides up and down with the frame; and the upper punch module corresponds to the lower punch module; the conveying mechanism conveys the aluminum-plastic film between the upper punch module and the lower punch module, and the upper punch module and the lower punch module move closer to each other to punch the aluminum-plastic film.

[0011] Preferably, the lower punch module includes: a lower punch screw rod, which is rotatably matched with the bottom of the frame; a lower punch motor, which drives the lower punch screw rod to rotate; a plurality of lower punch guide columns, which are fixed to the bottom of the frame; a lower punch sliding plate, which is slidably matched with the lower punch guide columns and is threadedly connected to the lower punch screw rod; a lower punch membrane core, which is arranged inside the frame and is connected to the lower punch sliding plate through a lower punch connecting column, and has two sets of punching positions.

[0012] Preferably, the upper punch module includes: an upper punch screw rod, which rotates with the top of the frame; an upper punch motor, which drives the upper punch screw rod to rotate; a plurality of upper punch guide columns, which slide up and down with the top of the frame; an upper punch sliding plate, which is fixed to the upper punch guide columns and threadedly connected to the upper punch screw rod; a punch mounting plate, which is arranged inside the frame and is connected to the upper punch sliding plate through an upper punch connecting column; two groups of punches, which are arranged at the bottom of the punch mounting plate and correspond to the punching pit positions.

[0013] Preferably, the limiting mechanism includes: a plurality of membrane core adsorption holes formed on the top of the lower punch membrane core; and a membrane core exhaust port corresponding to the number of the membrane core adsorption holes is provided on the side of the lower punch membrane core; and the membrane core exhaust port is connected to the corresponding membrane core adsorption holes; and the membrane core exhaust port is evacuated by an external exhaust device, so that the membrane core adsorption holes have adsorption capacity, thereby adsorbing and fixing the aluminum-plastic film placed on the top of the lower punch membrane core.

[0014] Preferably, the slitting mechanism includes: a slitting table, the top of which is used to place the aluminum-plastic film, and a cutting groove is formed downward through the center of the top of the slitting table; a slitting tool is arranged below the cutting groove, and a slitting cylinder is provided to drive the slitting tool to move linearly for cutting.

[0015] Preferably, the transport mechanism comprises: a linear module with linear reciprocating motion; a lifting cylinder installed with the linear module and reciprocating with the linear module; two sets of adsorption plates connected with the piston rod of the lifting cylinder and moving up and down with the extension and contraction of the lifting cylinder;

[0016] A plurality of adsorption holes of the adsorption plate are formed at the bottom of the adsorption plate; and an adsorption plate exhaust port corresponding to the number of the adsorption holes of the adsorption plate is provided on the side of the adsorption plate; and the adsorption plate exhaust port is connected with the corresponding adsorption holes of the adsorption plate; and the adsorption plate exhaust port is evacuated by an external exhaust device, so that the adsorption holes of the adsorption plate have adsorption capacity, thereby adsorbing the cut aluminum-plastic film and transporting it to the lower punching film core through the linear module for punching.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the utility model has an aluminum-plastic film punching device for a lithium battery packaging production line, a slitting mechanism cuts the original aluminum-plastic film into two parts; a conveying mechanism is responsible for conveying the cut aluminum-plastic film to the punching mechanism; a limiting mechanism ensures the accuracy and consistency of the punching during the punching process; the punching mechanism creates pits or grooves on the aluminum-plastic film, performs necessary processing on the film, and can punch two or more aluminum-plastic films at one time.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 This utility model Figure 1 Another angle diagram of the structure.

[0022] Figure 3 This utility model Figure 1 Another structural diagram from another angle.

[0023] Figure 4 This utility model Figure 3 Enlarged structural diagram at Y.

[0024] Figure 5 It is a structural schematic diagram of the slitting mechanism of the utility model.

[0025] Figure 6 This utility model Figure 5 Another angle diagram of the structure.

[0026] Figure 7 It is a structural schematic diagram of the conveying mechanism of the utility model.

[0027] Figure 8 This utility model Figure 7 Another angle diagram of the structure.

[0028] Fig. 9 This utility model Figure 8 Schematic diagram of the enlarged structure at Z.

[0029] In the figure: A1, slitting mechanism; A2, conveying mechanism; A4, frame; A5, upper punch module; A6, lower punch module; A7, aluminum-plastic film; A8, lower punch screw rod; A9, lower punch motor; A10, lower punch guide column; A11, lower punch sliding plate; A12, lower punch film core; A13, punching position; A14, upper punch screw rod; A15, upper punch motor; A16, upper punch guide column; A17, upper punch sliding plate; A1 8. Punch mounting plate; A19. Punch; A20. Membrane core adsorption hole; A21. Membrane core exhaust port; A22. Slitting table; A23. Cutting slot; A24. Slitting tool; A25. Linear module; A26. Lifting cylinder; A27. Adsorption plate; A30. Lower punch connecting column; A31. Upper punch connecting column; A32. Slitting cylinder; A33. Adsorption hole of adsorption plate; A34. Adsorption plate exhaust port. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] It should be noted that the terms "first", "second", etc. in the present invention are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present disclosure described herein can be implemented in an order other than those illustrated or described herein. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure.

[0032] See also Figures 1 to 9 In the embodiment of the utility model, a device for punching holes in aluminum-plastic film of a lithium battery packaging production line has a punching mechanism and also includes:

[0033] The slitting mechanism A1 divides the aluminum-plastic film A7 into two parts;

[0034] The transport mechanism A2 transports the aluminum-plastic film A7, which has been split into two parts, to the flushing mechanism;

[0035] The limiting mechanism is used to limit and fix the aluminum-plastic film A7 during punching.

[0036] Specifically, the punching mechanism is the main functional component, which is used to create pits or grooves on the aluminum-plastic film A7 and perform necessary processing on the film to accommodate battery components or other components; the slitting mechanism A1 is used to cut the original aluminum-plastic film A7 into two parts, which can be completed before or after punching, depending on the specific process flow; the transportation mechanism A2 is responsible for transporting the cut aluminum-plastic film A7 to the punching mechanism to ensure the continuity and efficiency of the production line; the limiting mechanism ensures the accuracy and consistency of punching during the punching process to meet the quality requirements of the product.

[0037] Furthermore, the punching mechanism includes a frame A4, an upper punching module A5 that slides up and down with the frame A4, and a lower punching module A6 that slides up and down with the frame A4; and the upper punching module A5 corresponds to the lower punching module A6; the conveying mechanism A2 conveys the aluminum-plastic film A7 between the upper punching module A5 and the lower punching module A6, and the upper punching module A5 and the lower punching module A6 are brought close to each other to punch the aluminum-plastic film A7.

[0038] Specifically, the cooperation between the upper punch module A5 and the lower punch module A6 and the function of the conveying mechanism A2 can accurately control the position and size of the punching hole, ensuring that each aluminum-plastic film A7 can be processed as required; due to the cooperation between the modules and the coordination of the conveying mechanism A2, a continuous production process can be achieved and production efficiency can be improved; the design of the frame A4 sliding up and down makes it relatively easy to adjust and replace the modules, and the production line can be flexibly configured and adjusted as needed; the design of the conveying mechanism A2 ensures that the aluminum-plastic film A7 can be accurately delivered to the punching hole position A13, and the cooperation of the modules sliding up and down ensures the accuracy and consistency of the punching holes, thereby improving the reliability and stability of the equipment.

[0039] Furthermore, the lower punch module A6 includes: a lower punch screw rod A8, which is rotatably matched with the bottom of the frame A4; a lower punch motor A9, which drives the lower punch screw rod A8 to rotate; a plurality of lower punch guide pillars A10, which are fixed to the bottom of the frame A4; a lower punch sliding plate A11, which is slidably matched with the lower punch guide pillars A10 and is threadedly connected to the lower punch screw rod A8; a lower punch membrane core A12, which is arranged inside the frame A4 and is connected to the lower punch sliding plate A11 through a lower punch connecting column A30, and has two sets of punching positions A13.

[0040] Specifically, the lower punch screw rod A8 is a rotating rod connected to the lower punch motor A9, which rotates with the bottom of the frame A4; the rotation of the lower punch screw rod A8 is driven by the lower punch motor A9 to control the up and down movement of the lower punch sliding plate A11; the lower punch motor A9 is responsible for driving the rotation of the lower punch screw rod A8 to realize the up and down movement of the lower punch sliding plate A11, thereby controlling the depth and position of the punching pit; the lower punch guide column A10 is fixed at the bottom of the frame A4, providing vertical guidance for the lower punch sliding plate A11 to ensure its stability and accuracy during the up and down movement; the lower punch sliding plate A11 slides up and down with the lower punch guide column A10, and is connected to the lower punch screw rod A8 by a thread; the lower punch membrane core A12 is located inside the frame A4, and is connected to the lower punch sliding plate A11 through the lower punch connecting column A30; the lower punch membrane core A12 has two sets of punching pit positions A13, which can be replaced and adjusted as needed to meet the production requirements of different specifications.

[0041] Furthermore, the upper punch module A5 includes: an upper punch screw rod A14, which is rotatably matched with the top of the frame A4; an upper punch motor A15, which drives the upper punch screw rod A14 to rotate; a plurality of upper punch guide columns A16, which are slidably matched with the top of the frame A4; an upper punch sliding plate A17, which is fixed to the upper punch guide column A16 and is threadedly connected to the upper punch screw rod A14; a punch mounting plate A18, which is arranged inside the frame A4 and is connected to the upper punch sliding plate A17 through an upper punch connecting column A31; two groups of punches A19, which are arranged at the bottom of the punch mounting plate A18 and correspond to the punching position A13.

[0042] Specifically, the upper punch screw rod A14 is rotatably matched with the top of the frame A4, similar to the function of the lower punch screw rod A8, and is responsible for driving the upper punch sliding plate A17 to move up and down; the upper punch motor A15 drives the upper punch screw rod A14 to rotate, thereby controlling the up and down movement of the upper punch sliding plate A17; the upper punch guide column A16 is slidably matched with the top of the frame A4 to provide vertical guidance for the upper punch sliding plate A17 to ensure its stability and accuracy during the processing; the upper punch sliding plate A17 is fixed to the upper punch guide column A16 and is connected to the upper punch by threads. Punch rod A14; the upper punch sliding plate A17 moves up and down with the rotation of the upper punch screw rod A14; the punch mounting plate A18 is located inside the frame A4, and is connected to the upper punch sliding plate A17 through the upper punch connecting column A31; the punch mounting plate A18 carries the punch A19 and ensures the stability and accuracy of the punch A19; two groups of punches A19 are installed at the bottom of the punch mounting plate A18, corresponding to the punching position A13; the punch A19 is responsible for processing the aluminum-plastic film A7, and punches A19 of different specifications and shapes can be replaced as needed.

[0043] Furthermore, the limiting mechanism includes: a plurality of membrane core adsorption holes A20 formed on the top of the lower punch membrane core A12; and the side of the lower punch membrane core A12 is provided with a membrane core exhaust port A21 corresponding to the number of the membrane core adsorption holes A20; and the membrane core exhaust port A21 is connected with the corresponding membrane core adsorption holes A20; and the membrane core exhaust port A21 is evacuated by an external exhaust device, so that the membrane core adsorption holes A20 have adsorption capacity, thereby adsorbing and fixing the aluminum-plastic film A7 placed on the top of the lower punch membrane core A12.

[0044] Specifically, the membrane core adsorption holes A20 are formed on the top of the lower punch membrane core A12, and are used to fix the aluminum-plastic film A7 by adsorbing gas; the membrane core suction ports A21 are arranged on the side of the lower punch membrane core A12, and the number corresponds to the membrane core adsorption holes A20. These suction ports are connected with the adsorption holes, so that negative pressure can be formed by the suction operation, thereby achieving adsorption and fixation of the aluminum-plastic film A7; several membrane core adsorption holes A20 can be distributed in a ring shape, just matching the outer edge of the aluminum-plastic film A7, so that the adsorption and fixation effect is better; the external suction equipment evacuates the membrane core suction ports A21, thereby forming negative pressure, so that the membrane core adsorption holes A20 have adsorption capacity, so that the aluminum-plastic film A7 can be fixed on the top of the lower punch membrane core A12, ensuring that no position displacement or movement occurs during the punching process.

[0045] Furthermore, the slitting mechanism A1 includes: a slitting table A22, the top of which is used to place the aluminum-plastic film A7, and a cutting groove A23 is formed downward through the top center of the slitting table A22; a slitting tool A24 is arranged below the cutting groove A23, and the slitting tool A24 is driven by a cylinder to perform linear movement cutting.

[0046] Specifically, the slitting table A22 is a platform for placing the aluminum-plastic film A7, and a cutting groove A23 is formed downward from the top center; the cutting groove A23 provides a positioning reference for the slitting tool A24 when cutting, ensuring the accuracy and consistency of the cutting; the slitting tool A24 is arranged below the cutting groove A23, and the slitting tool A24 is driven by setting a slitting cylinder A32 to achieve linear movement and cut the aluminum-plastic film A7; the design and driving method of the cutting tool can ensure accurate and stable cutting to meet production needs.

[0047] Furthermore, the transport mechanism A2 includes: a linear module A25 with linear reciprocating motion; a lifting cylinder A26, which is installed with the linear module A25 and reciprocates with the linear module A25; two sets of adsorption plates A27, which are connected with the piston rod of the lifting cylinder A26 and move up and down with the extension and retraction of the lifting cylinder A26;

[0048] A plurality of adsorption plate adsorption holes A33 are formed at the bottom of the adsorption plate A27; and an adsorption plate exhaust port A34 corresponding to the number of the adsorption plate adsorption holes A33 is provided on the side of the adsorption plate A27; and the adsorption plate exhaust port A34 is connected with the corresponding adsorption plate adsorption holes A33; and the adsorption plate exhaust port A34 is evacuated by an external exhaust device, so that the adsorption plate adsorption holes A33 have adsorption capacity, thereby adsorbing the cut aluminum-plastic film A7, and transporting it to the lower punching film core A12 through the linear module A25 for punching.

[0049] Specifically, the linear module A25 is a mechanism with linear reciprocating motion, which is used to transport the slit aluminum-plastic film A7 from the slitting position to the lower punch film core A12 for punching; the design of the linear module A25 can achieve stable linear motion to ensure the accuracy and reliability of transportation; the lifting cylinder A26 is installed together with the linear module A25, and with the reciprocating motion of the linear module A25, the function of this cylinder is to control the up and down movement of the adsorption plate A27, so as to adsorb and transport the slit aluminum-plastic film A7; The adsorption plate A27 is connected to the piston rod of the lifting cylinder A26, and moves up and down with the extension and retraction of the lifting cylinder A26; a plurality of adsorption plate adsorption holes A33 are formed at the bottom of the adsorption plate A27, and the adsorption of the aluminum-plastic film A7 can be achieved through the adsorption holes; the adsorption plate exhaust ports A34 are arranged on the side of the adsorption plate A27, and the number corresponds to the adsorption plate adsorption holes A33. These exhaust ports are connected to the adsorption holes, and air is exhausted through an external exhaust device, so that the adsorption holes A33 of the adsorption plate have adsorption capacity.

[0050] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. A device for punching holes in aluminum-plastic film of a lithium battery packaging production line, having a punching mechanism, characterized in that: Also includes: A slitting mechanism (A1) is used to split the aluminum-plastic film (A7) into two parts; The transport mechanism (A2) transports the aluminum-plastic film (A7) after being split into two to the flushing mechanism; The limiting mechanism is used to limit and fix the aluminum-plastic film (A7) during punching.

2. The aluminum-plastic film punching device for a lithium battery packaging production line according to claim 1, characterized in that: The punching mechanism comprises a frame (A4), an upper punching module (A5) which is slidably matched with the frame (A4) up and down, and a lower punching module (A6) which is slidably matched with the frame (A4) up and down; the upper punching module (A5) corresponds to the lower punching module (A6); the conveying mechanism (A2) conveys the aluminum-plastic film (A7) between the upper punching module (A5) and the lower punching module (A6), and the upper punching module (A5) and the lower punching module (A6) are brought close to each other so as to punch the aluminum-plastic film (A7).

3. The aluminum-plastic film punching device for a lithium battery packaging production line according to claim 2, characterized in that: The lower punch module (A6) comprises: a lower punch screw rod (A8) which is rotatably matched with the bottom of the frame (A4); a lower punch motor (A9) which drives the lower punch screw rod (A8) to rotate; a plurality of lower punch guide pillars (A10) which are fixed to the bottom of the frame (A4); a lower punch sliding plate (A11) which is slidably matched with the lower punch guide pillars (A10) and is threadedly connected with the lower punch screw rod (A8); and a lower punch membrane core (A12) which is arranged inside the frame (A4) and is connected to the lower punch sliding plate (A11) by means of a lower punch connecting pillar and has two sets of punching positions (A13).

4. The aluminum-plastic film punching device for a lithium battery packaging production line according to claim 3, characterized in that: The upper punch module (A5) comprises: an upper punch screw rod (A14) which is rotatably matched with the top of the frame (A4); an upper punch motor (A15) which drives the upper punch screw rod (A14) to rotate; a plurality of upper punch guide pillars (A16) which are slidably matched with the top of the frame (A4) up and down; an upper punch sliding plate (A17) which is fixed to the upper punch guide pillars (A16) and is threadedly connected to the upper punch screw rod (A14); a punch mounting plate (A18) which is arranged inside the frame (A4) and is connected to the upper punch sliding plate (A17) by means of an upper punch connecting column; and two groups of punches (A19) which are arranged at the bottom of the punch mounting plate (A18) and correspond to the punching positions (A13).

5. The aluminum-plastic film punching device for a lithium battery packaging production line according to claim 3, characterized in that: The limiting mechanism comprises: a plurality of membrane core adsorption holes (A20) formed on the top of the lower punch membrane core (A12); and a membrane core air suction port (A21) corresponding to the number of the membrane core adsorption holes (A20) is provided on the side of the lower punch membrane core (A12); and the membrane core air suction port (A21) is connected with the corresponding membrane core adsorption holes (A20); and the membrane core air suction port (A21) is evacuated by an external air suction device, so that the membrane core adsorption holes (A20) have adsorption capacity, thereby adsorbing and fixing the aluminum-plastic film (A7) placed on the top of the lower punch membrane core (A12).

6. The aluminum-plastic film punching device for a lithium battery packaging production line according to claim 5, characterized in that: The slitting mechanism (A1) comprises: a slitting table (A22), the top of which is used to place the aluminum-plastic film (A7), and a cutting groove (A23) is formed through the center of the top of the slitting table (A22); a slitting tool (A24) is arranged below the cutting groove (A23), and a slitting cylinder (A32) is provided to drive the slitting tool (A24) to perform linear movement cutting.

7. The aluminum-plastic film punching device for a lithium battery packaging production line according to claim 6, characterized in that: The transport mechanism (A2) comprises: a linear module (A25) capable of linear reciprocating motion; a lifting cylinder (A26) installed with the linear module (A25) and reciprocating with the linear module (A25); two sets of adsorption plates (A27) connected with the piston rod of the lifting cylinder (A26) and moving up and down with the extension and retraction of the lifting cylinder (A26); A plurality of adsorption hole positions (A33) of the adsorption plate are formed at the bottom of the adsorption plate (A27); and a number of adsorption plate suction ports (A34) corresponding to the number of adsorption hole positions (A33) of the adsorption plate are provided on the side of the adsorption plate (A27); and the adsorption plate suction ports (A34) are connected to the corresponding adsorption hole positions (A33) of the adsorption plate; and the adsorption plate suction ports (A34) are evacuated by an external suction device, so that the adsorption hole positions (A33) of the adsorption plate have adsorption capacity, thereby adsorbing the aluminum-plastic film (A7) after cutting, and transporting it to the lower punching film core (A12) through the linear module (A25) for punching.

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