Battery aluminum plastic film cutting device and workpiece finish machining equipment

Abstract

The utility model discloses a battery aluminum-plastic film cutting device which comprises a mounting bracket, a cutting device, a cutting device and a cutting device, wherein the mounting bracket comprises a horizontally arranged mounting plate; the first driving mechanism is arranged on a main plane of the mounting plate, and the movement stroke of the first driving mechanism is larger than the width of the aluminum plastic film; the cutting device is connected with the first driving mechanism and driven by the first driving mechanism, and the cutting device comprises a blade; the first driving mechanism drives the blade to do linear telescopic motion in the horizontal direction. According to the aluminum-plastic film cutting equipment, the first driving mechanism drives the blade to move in the horizontal direction and cut the aluminum-plastic film, so that the contact between the blade and the sticky surface of the aluminum-plastic film is reduced, glue stains possibly generated in the cutting process are reduced, and the glue stains are prevented from falling on the aluminum-plastic film, so that pits and dents are generated on a battery cell in the subsequent process; and meanwhile, the cutting effect can be guaranteed only by controlling the relative position of the blade and the aluminum-plastic film during transverse cutting, and the situation that the aluminum-plastic film is still adhered after cutting is completed is avoided. The utility model further discloses workpiece finish machining equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery production, in particular to a battery aluminum-plastic film cutting device and workpiece finishing equipment. Background Art

[0002] With the popularity of various electronic products, the use frequency of lithium batteries is getting higher and higher, and the requirements for lithium batteries are also getting higher and higher. Among them, aluminum-plastic film is the key material for soft-package lithium battery cell packaging. It is a high-plasticity, high-barrier multi-layer composite material composed of a variety of plastics, aluminum foil and adhesives. It usually has good barrier properties, electrolyte resistance stability, cold stamping formability, puncture resistance and insulation, and plays an important role in protecting batteries.

[0003] During the production process, a slicing mechanism is required to cut the aluminum-plastic film into the corresponding size to encapsulate the lithium battery cell. The aluminum-plastic film is usually smooth on one side and sticky on the other side. Since the existing aluminum-plastic film cutting mechanism usually uses a cutter to cut from top to bottom, the surface cut by the cutter is the sticky side of the aluminum-plastic film. Therefore, glue stains are easily generated during the cutting process and accumulated on the tip of the cutter, and then fall off and adhere to the lithium battery cell. In the subsequent formation capacity process, it is easy to cause pits or dents on the surface of the cell, affecting the performance of the lithium battery. Utility Model Content

[0004] The main purpose of the utility model is to provide a battery aluminum-plastic film cutting device, aiming to solve the problem that glue stains are easily generated when cutting aluminum-plastic films.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a battery aluminum-plastic film cutting device, which includes:

[0006] A mounting bracket, the mounting bracket comprising a horizontally arranged mounting plate;

[0007] A first driving mechanism is arranged on a main plane of the mounting plate, and a movement stroke of the first driving mechanism is greater than a width of the aluminum-plastic film;

[0008] a cutting mechanism connected to the first driving mechanism and driven by the first driving mechanism, wherein the cutting mechanism comprises a blade;

[0009] The first driving mechanism drives the blade to perform linear telescopic motion along a horizontal direction.

[0010] In some embodiments, the cutting mechanism includes a mounting assembly, and the mounting assembly includes two detachably connected mounting blocks, and the two mounting blocks are used to clamp the blade.

[0011] In some embodiments, at least one of the two mounting blocks is provided with a positioning shaft, and the blade is rotatably connected to the positioning shaft.

[0012] In some embodiments, a plurality of positioning holes are provided on the blade, and the positioning holes are adapted to the positioning shaft.

[0013] In some embodiments, a second driving mechanism is further included, and the second driving mechanism is located on another main plane of the mounting plate; the mounting assembly is connected to the second driving mechanism, and the second driving mechanism is connected to the first driving mechanism, and the second driving mechanism is arranged perpendicular to the first driving mechanism.

[0014] In some embodiments, the second driving mechanism is a dual-axis telescopic cylinder.

[0015] In some embodiments, the first driving mechanism includes a telescopic cylinder and a linear guide rail, the linear guide rail is arranged on the same side as the second driving mechanism, and includes a slide groove and a slider that can move linearly along the slide groove, the driving end of the telescopic cylinder is connected to the slider, and the slider is connected to the second driving mechanism.

[0016] In some embodiments, a suspension assembly is provided on the mounting plate, and the suspension assembly is used to fix the telescopic cylinder. The suspension assembly includes a plurality of metal parts, one end of the metal part is fixed to one side of the mounting plate, and the other end is connected to the telescopic cylinder.

[0017] A workpiece finishing device comprises a film supply device, a fixing part and the battery aluminum-plastic film cutting device described in the above embodiments, wherein the film supply device comprises a machine base, and the battery aluminum-plastic film cutting device is detachably connected to the film supply device through the fixing part.

[0018] In some embodiments, the fixing member includes at least one positioning plate, the film supply device is provided with a mounting groove, and the positioning plate is arranged corresponding to the mounting groove.

[0019] The aluminum-plastic film cutting device of the utility model drives the blade to move in the horizontal direction and cut the aluminum-plastic film through the first driving mechanism, thereby reducing the contact of the blade with the sticky surface of the aluminum-plastic film, thereby reducing the glue stains that may be generated during the cutting process, and preventing the glue stains from falling on the aluminum-plastic film, causing concave points and dents to be generated in the battery cell in the subsequent process; at the same time, horizontal cutting only needs to control the relative position of the blade and the aluminum-plastic film to ensure the cutting effect, and avoid the situation that the aluminum-plastic film is still adhered after the cutting is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural schematic diagram of an embodiment of a battery aluminum-plastic film cutting device of the utility model;

[0021] Figure 2 for Figure 1 Front view of the aluminum-plastic film cutting device for the middle battery;

[0022] Figure 3 for Figure 1 An exploded view of the components installed in the aluminum-plastic film cutting device for the middle battery;

[0023] Figure 4 for Figure 1 Schematic diagram of the structure of the blade in the aluminum-plastic film cutting device of the medium battery;

[0024] Figure 5 It is a structural schematic diagram of another embodiment of the battery aluminum-plastic film cutting device of the utility model.

[0025] Reference numerals:

[0026] 100, mounting plate; 110, metal part; 120, positioning plate; 200, first driving mechanism; 210, telescopic cylinder; 220, slider; 230, slide groove; 300, cutting mechanism; 310, blade; 311, positioning hole; 320, mounting assembly; 321, mounting block; 322, positioning shaft; 400, second driving mechanism. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the scheme in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0029] It should also be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0030] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0031] The utility model provides a battery aluminum-plastic film cutting device to solve the problem that the cutting knife in the prior art is prone to produce glue stains.

[0032] Reference Figure 1 The battery aluminum-plastic film cutting device comprises:

[0033] A mounting bracket, the mounting bracket comprising a horizontally arranged mounting plate 100;

[0034] A first driving mechanism 200 is disposed on a main plane of the mounting plate 100, and a movement stroke of the first driving mechanism 200 is greater than a width of the aluminum-plastic film;

[0035] The cutting mechanism 300 is connected to the first driving mechanism 200 and driven by the first driving mechanism 200. The cutting mechanism 300 includes a blade 310.

[0036] The first driving mechanism 200 drives the blade 310 to perform linear telescopic motion along the horizontal direction.

[0037] When in use, first install the cutting device to ensure that the cutting device is located in front of the fixed aluminum-plastic film, adjust the initial position of the blade 310 to make it located at the side of the aluminum-plastic film, and adjust the cutting angle of the blade 310, usually at an angle of 30° with the plane where the aluminum-plastic film is located, so as to better cut the aluminum-plastic film; then start the first driving mechanism 200 to control the blade 310 to move horizontally at a certain speed and cut the aluminum-plastic film, and the speed is usually not less than 10 cm / s, so as to quickly complete the cutting and minimize the glue stains generated during the cutting process.

[0038] The mounting bracket plays the role of bearing other structures and providing support. Usually, a structure for connecting other mechanisms or the ground is set on the mounting bracket, such as bolt connection holes, buckles, feet, etc., so as to facilitate the installation and fixing of the cutting device in a suitable position, so that the cutting device will not shake during operation, and the accuracy of cutting is guaranteed. The mounting bracket includes a mounting plate 100, which has a simple structure and has high stability and rigidity. Structures such as ribs can also be set at different positions of the mounting plate 100 to improve the strength of the mounting plate 100. The manufacturing material of the mounting plate 100 can be selected according to needs, such as metal, alloy, plastic or composite material. Preferably, stainless steel is used as the material of the mounting plate 100, which has good strength and rigidity, high stability and longer service life. It can be understood that the mounting bracket can also be a structure assembled from multiple parts, such as a frame structure or a welded structure, so as to be customized and adjusted according to needs, or it can be a structure that is integrally processed or cast into one piece, and this application does not limit this.

[0039] The first driving mechanism 200 is a driving mechanism commonly used in the market, such as a cylinder, a motor or other transmission structure, and the first driving mechanism 200 is arranged on the mounting plate 100 to drive the cutting mechanism 300 to cut the aluminum-plastic film. It can be understood that in order to ensure that the cutting mechanism 300 can complete the cutting of the aluminum-plastic film, it is necessary to adjust the movement stroke of the first driving mechanism 200 to be long enough for aluminum-plastic films of different sizes, so that the movement distance of the cutting mechanism 300 is greater than the width of the aluminum-plastic film to avoid the situation where it cannot be cut.

[0040] The cutting mechanism 300 includes a blade 310, which is made of many types of materials, including metal, alloy, ceramic, plastic, etc., and is used to cut aluminum-plastic film. The blade 310 is arranged on the first driving mechanism 200 by a detachable connection method, including threaded connection, snap connection, magnetic connection, etc., which is convenient for maintenance and replacement of the blade 310. Preferably, a common utility knife is used as the cutting mechanism 300, which is usually made of steel, has high cutting accuracy, and can be selected in many sizes. The appropriate shape and size can be selected according to different cutting requirements, and because the price of the utility knife is relatively low, it has high cost-effectiveness. There are many ways to connect the blade 310 to the first driving mechanism 200, for example, a magnetic suction piece can be set at the driving end of the first driving mechanism 200 to firmly lock the blade 310; or a suitable clamping mechanism can be set to clamp the blade 310 at the driving end.

[0041] In this embodiment, the first driving mechanism 200 controls the blade 310 to move in the horizontal direction to complete the cutting of the aluminum-plastic film. There is no need to contact the sticky surface of the aluminum-plastic film with a large area, which greatly reduces the generation of glue stains. At the same time, the horizontal cutting method also ensures the cutting effect of the aluminum-plastic film and avoids the situation where the aluminum-plastic film is still sticky after the cutting is completed. Compared with the press cutting, the scheme in this embodiment is not easy to cause the edge of the aluminum-plastic film to bend and deform, making the subsequent packaging of the battery more convenient.

[0042] like Figure 1-Figure 3 As shown, in some embodiments, the cutting mechanism 300 further includes a mounting assembly 320 , and the mounting assembly 320 includes two detachably connected mounting blocks 321 , and the two mounting blocks 321 are used to clamp the blade 310 .

[0043] The blade 310 can be clamped by the cooperation between the two mounting blocks 321. The mounting blocks 321 are usually connected by threads, which has high connection strength, good stability, and is easy to install. Preferably, the two mounting blocks 321 can be provided with mutually cooperating protrusions and grooves to improve the tightness and facilitate the cooperation of the mounting blocks 321.

[0044] like Figure 1-Figure 3 As shown, in some embodiments, at least one of the two mounting blocks 321 is provided with a positioning shaft 322, and the blade 310 is rotatably connected to the positioning shaft 322. The positioning shaft 322 can be provided on any mounting block 321. It can be understood that the positioning shaft 322 and the mounting block 321 can be integrally formed, or can be fixed together by bonding, welding or clamping. Those skilled in the art can design according to actual needs, and this embodiment does not limit this.

[0045] It is understandable that in this embodiment, a positioning hole 311 that matches the positioning shaft 322 should be provided on the blade 310, or an additional buckle or the like should be provided on the blade 310, so that the blade 310 is rotatably connected to the positioning shaft 322, which not only facilitates the installation of the blade 310, but also allows the cutting angle of the blade 310 to be adjusted at any time, so that the cutting mechanism 300 can adapt to different environments. For example, when the aluminum-plastic film is far away from the cutting mechanism 300, the angle between the blade 310 and the plane where the aluminum-plastic film is located is increased, thereby extending the cutting distance of the blade 310.

[0046] like Figure 4 As shown, in some embodiments, a plurality of positioning holes 311 are provided on the blade 310 , and the positioning holes 311 are adapted to the positioning shaft 322 .

[0047] Since the blade 310 is usually in the shape of a long strip, and in this embodiment, the blade section of the blade 310 used for each cutting only occupies a portion of the entire blade 310, the position of the blade 310 can be adjusted by adjusting the positioning holes 311 connected to the positioning shaft 322 to fully utilize the entire blade 310 and adapt to different installation environments. Preferably, there are 5 positioning holes 311, which are evenly arranged on the blade 310 to prevent the positioning holes 311 in some areas from being too dense, which makes the structural strength of the blade 310 too low.

[0048] like Figure 1 and Figure 2 As shown, in some embodiments, a second driving mechanism 400 is further included, and the second driving mechanism 400 is located on another main plane of the mounting plate 100; the mounting assembly 320 is connected to the second driving mechanism 400, and the second driving mechanism 400 is connected to the first driving mechanism 200, and the second driving mechanism 400 is arranged perpendicular to the first driving mechanism 200. The second driving mechanism 400 can drive the mounting assembly 320 to move forward and backward to accurately adjust the position of the blade 310, so that the blade 310 can be at a suitable cutting angle to improve cutting efficiency.

[0049] Preferably, the second driving mechanism 400 is a double-axis telescopic cylinder, which has a compact overall structure and occupies less space. Moreover, since the gas is compressed and released very quickly, the double-axis telescopic cylinder can perform the action in a very short time, thereby improving the use efficiency.

[0050] like Figure 1 and Figure 2 As shown, in some embodiments, the first driving mechanism 200 includes a telescopic cylinder 210 and a linear guide rail, which is arranged on the same side as the second driving mechanism 400, and includes a slide groove 230 and a slider 220 that can move linearly along the slide groove 230. The driving end of the telescopic cylinder 210 is connected to the slider 220, and the slider 220 is connected to the second driving mechanism 400.

[0051] When in use, the driving end of the telescopic cylinder 210 is controlled to move at a certain speed, driving the slider 220 to slide on the slide groove 230, thereby driving the second driving mechanism 400 and the cutting mechanism 300 connected to the second driving mechanism 400 to move in the horizontal direction and cut the aluminum-plastic film. The slider 220 is used to optimize the connection between the cutting mechanism 300 and the driving mechanism, making the entire cutting device more neat and beautiful.

[0052] like Figure 1-Figure 5As shown, in some embodiments, a suspension assembly is provided on the mounting plate 100, and the suspension assembly is used to fix the telescopic cylinder 210. The suspension assembly includes a plurality of metal parts 110, one end of the metal part 110 is fixed to one side of the mounting plate 100, and the other end is connected to the telescopic cylinder 210. The telescopic cylinder 210 is prevented from colliding with the mounting plate 100 when driving the slider 220 to move, and sufficient space can be left to arrange other components, such as connectors, wires, etc.

[0053] Reference Figure 1 and Figure 2 Two metal pieces 110 can be provided, and they are respectively provided at both ends of the mounting plate 100 to more stably carry the telescopic cylinder 210. One end of the metal piece 110 is fixed to the mounting plate 100 by screw connection, and the other end is provided with a positioning hole 311 for the telescopic cylinder 210 to pass through, so that the telescopic cylinder 210 does not need to be directly connected to the mounting plate 100.

[0054] The utility model further proposes a workpiece finishing equipment, including a film supply device, a fixing part and a battery aluminum-plastic film cutting device. The specific structure of the battery aluminum-plastic film cutting device refers to the above-mentioned embodiment. Since the present subject 2 adopts all the technical solutions of all the above-mentioned embodiments, it at least has all the technical effects brought by the technical solutions of the above-mentioned embodiments, which will not be described one by one here. The film supply device is used to fix and transmit the aluminum-plastic film, so that the battery aluminum-plastic film cutting device can cut the aluminum-plastic film. The fixing part can be a common buckle, bolt structure or magnetic structure to install the battery aluminum-plastic film cutting device in a suitable position to facilitate cutting of the aluminum-plastic film.

[0055] like Figure 5 As shown, in some embodiments, the fixing member includes at least one positioning plate 120, the film supply device is provided with a mounting groove, and the positioning plate 120 is arranged corresponding to the mounting groove. The film supply device is provided with a mounting groove, and the battery aluminum-plastic film device is installed by the cooperation between the positioning plate 120 and the mounting groove, which is convenient and quick. Preferably, a plurality of slots and buckles can be added to the positioning plate 120 to ensure the stability of the installation.

[0056] The above description is only a partial or preferred embodiment of the present invention. Neither the text nor the drawings can limit the scope of protection of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the overall concept of the present invention, or direct / indirect application in other related technical fields are included in the scope of protection of the present invention.

Claims

1. A battery aluminum-plastic film cutting device, characterized in that: include: A mounting bracket, the mounting bracket comprising a horizontally arranged mounting plate; A first driving mechanism is arranged on a main plane of the mounting plate, and a movement stroke of the first driving mechanism is greater than a width of the aluminum-plastic film; a cutting mechanism connected to the first driving mechanism and driven by the first driving mechanism, wherein the cutting mechanism comprises a blade; The first driving mechanism drives the blade to perform linear telescopic motion along a horizontal direction.

2. The battery aluminum-plastic film cutting device according to claim 1, characterized in that: The cutting mechanism comprises a mounting assembly, and the mounting assembly comprises two detachably connected mounting blocks, and the two mounting blocks are used for clamping the blade.

3. The battery aluminum-plastic film cutting device according to claim 2, characterized in that: At least one of the two mounting blocks is provided with a positioning shaft, and the blade is rotatably connected to the positioning shaft.

4. The battery aluminum-plastic film cutting device according to claim 3, characterized in that: The blade is provided with a plurality of positioning holes, and the positioning holes are adapted to the positioning shaft.

5. The battery aluminum-plastic film cutting device according to claim 4, characterized in that: It also includes a second driving mechanism, which is located on another main plane of the mounting plate; the mounting assembly is connected to the second driving mechanism, the second driving mechanism is connected to the first driving mechanism, and the second driving mechanism is arranged perpendicular to the first driving mechanism.

6. The battery aluminum-plastic film cutting device according to claim 5, characterized in that: The second driving mechanism is a double-axis telescopic cylinder.

7. The battery aluminum-plastic film cutting device according to claim 5, characterized in that: The first driving mechanism includes a telescopic cylinder and a linear guide rail. The linear guide rail is arranged on the same side as the second driving mechanism, and includes a slide groove and a slider that can move linearly along the slide groove. The driving end of the telescopic cylinder is connected to the slider, and the slider is connected to the second driving mechanism.

8. The battery aluminum-plastic film cutting device according to claim 7, characterized in that: A suspension assembly is arranged on the mounting plate, and the suspension assembly is used to fix the telescopic cylinder. The suspension assembly includes a plurality of metal parts, one end of each metal part is fixed to one side of the mounting plate, and the other end is connected to the telescopic cylinder.

9. A workpiece finishing equipment, characterized in that: The invention comprises a film supply device, a fixing part and the battery aluminum-plastic film cutting device according to any one of claims 1 to 8, wherein the film supply device comprises a machine base, and the battery aluminum-plastic film cutting device is detachably connected to the film supply device through the fixing part.

10. The workpiece finishing equipment according to claim 9, characterized in that: The fixing member includes at least one positioning plate, the film supply device is provided with a mounting groove, and the positioning plate is arranged corresponding to the mounting groove.

Images