Material belt thermal shaping device and pit punching equipment

Abstract

The utility model discloses a material belt thermal shaping device and pit punching equipment, and belongs to the field of thermal shaping equipment, the material belt thermal shaping device comprises two heating units, the two heating units are oppositely arranged along a first direction, the two heating units are respectively provided with a shaping gap in a second direction, and the shaping gaps are used for accommodating one side edge of a material belt conveyed along a third direction. The heating unit is used for heating the material belt accommodated in the shaping gap; the distance adjusting assembly is detachably connected with the heating unit and used for adjusting the size of the shaping gap in the second direction; the first direction and the second direction are both perpendicular to the conveying direction of the material belt, the first direction is perpendicular to the second direction, and the third direction is parallel to the conveying direction of the material belt. According to the utility model, the edge of the material belt is thermally shaped, so that the material belt is conveyed to a preset cutting position, the cutting size is correct, and the cutting edge is neat.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hot shaping equipment field, concretely relates to a material belt hot shaping device and punch pit equipment. BACKGROUND

[0002] In the production process of lithium batteries, the aluminum plastic film packaging shell is widely used in the packaging of lithium battery cells due to its good barrier property, corrosion resistance and plasticity. In order to ensure the safety and sealing of the battery cell, the aluminum plastic film raw material usually needs to go through a series of processing steps, including punch forming, to form a single-piece packaging shell with a concave structure. This concave design not only helps to fix the position of the battery cell, but also enhances the pressure resistance and explosion-proof performance of the packaging shell.

[0003] However, in the process of aluminum plastic film punch forming, due to uneven stress and springback characteristics, the edges of the film on both sides of the punch area often deform, resulting in problems such as bubbles, wrinkles or edge warping, which affects the subsequent cutting and packaging effect of lithium batteries.

[0004] The utility model patent with the application number CN201720929232.4 discloses an auxiliary heating device for a lithium battery aluminum plastic film shell punching machine, which heats the aluminum plastic film through a heating roller to preheat the aluminum plastic film before punch drawing, effectively improving the tensile properties of the aluminum plastic film. However, the heating device of this patent is applied before punch drawing, which can only reduce the deformation such as damage, bubbles, wrinkles and edge warping of the aluminum plastic film to a certain extent when punching the shell, but cannot repair the deformation of the aluminum plastic film after punching the pit, resulting in that the cutting tool cannot accurately fit the predetermined cutting line due to the edge deformation of the aluminum plastic film in the subsequent cutting process, leading to large cutting size deviation and uneven cutting edges. Therefore, it is necessary to propose a material belt hot shaping device and punch pit equipment to overcome the defects such as cutting position deviation and uneven cutting edges caused by the deformation of the aluminum plastic film after punching the pit. UTILITY MODEL CONTENTS

[0005] The utility model aims at the above-mentioned shortcomings to provide a material belt hot shaping device and punch pit equipment, which solves the problem of affecting the subsequent cutting effect due to the edge deformation of the material belt. To achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0006] A kind of material belt hot shaping device, including two heating units, two the heating unit is oppositely arranged along first direction, and two the heating unit has shaping gap in second direction respectively, the shaping gap is used to accommodate the side edge of material belt transported along third direction, the heating unit is used to heat the material belt contained in the shaping gap;Spacing adjustment assembly, the spacing adjustment assembly is detachably connected with the heating unit, for adjusting the gap size of the shaping gap in the second direction;The first direction and the second direction are perpendicular to the transport direction of the material belt, and the first direction and the second direction are perpendicular to each other, and the third direction is parallel to the transport direction of the material belt.

[0007] As optional scheme, it further includes displacement mechanism;The displacement mechanism is detachably connected with the spacing adjustment assembly, and is driven to be connected with the heating unit, for synchronously driving two the heating unit relatively close or far away along the first direction, to make the edge of the material belt on both sides simultaneously enter or leave the region where the shaping gap is located.

[0008] As optional scheme, the displacement mechanism includes guide along the first direction and is arranged;The heating unit further includes sliding member and heating assembly detachably mounted on sliding member;The heating assembly is formed with the shaping gap;The sliding member is slidably installed on the guide, so that two the heating unit reciprocating slides along the first direction, to realize relatively close or far away.

[0009] As optional scheme, the heating assembly includes upper clamp assembly and lower clamp assembly oppositely arranged along the second direction, and is detachably connected with the spacing adjustment assembly respectively;The upper clamp assembly includes upper heating block with first opposite surface;The lower clamp assembly includes lower heating block with second opposite surface;The first opposite surface is oppositely arranged with the second opposite surface, and the first opposite surface and the second opposite surface form the shaping gap.

[0010] As optional scheme, the upper clamp assembly and the lower clamp assembly are provided with clamping plate and heat insulation plate;The heat insulation plate is respectively arranged between the clamping plate and the upper heating block or the lower heating block, and the clamping plate is detachably connected with the spacing adjustment assembly.

[0011] As optional scheme, the first opposite surface and the second opposite surface are arc surface, and the shaping gap is arc gap.

[0012] As optional scheme, it further includes turnover mechanism;The turnover mechanism includes two turnover driving members, two the turnover driving member is respectively connected with two the heating assembly movably, for driving two the heating assembly synchronous turnover, to synchronously adjust the bending direction of two the arc gap as upward or downward.

[0013] As an optional solution, the interval adjusting assembly comprises a second driving member and a mounting member; the second driving member is fixed on the mounting member; the mounting member is detachably connected to the side wall of the sliding member; two clamping plates are symmetrically mounted on two sides of the second driving member in the second direction and are relatively close or far away in the second direction driven by the second driving member.

[0014] As an optional solution, a plurality of protective covers are further included; the protective covers are arranged on the sliding member and have accommodating cavities for accommodating the upper clamping assembly or the lower clamping assembly.

[0015] A pit punching equipment comprises a material belt, a conveying mechanism, a control box and at least one material belt heat shaping device, the conveying mechanism is used for conveying the material belt, and the control box is electrically connected with the material belt heat shaping device.

[0016] The beneficial effects of the present application are as follows:

[0017] The utility model discloses a material belt heat shaping device and pit punching equipment belong to heat shaping equipment field, including two heating units, two heating units are oppositely arranged along the first direction, and two heating units have the shaping gap in the second direction respectively, and the shaping gap is used for accommodating the side edge of the material belt conveying along the third direction, and the heating unit is used for heating the material belt in the shaping gap, interval adjusting assembly, interval adjusting assembly and heating unit detachable connection are used for adjusting the gap size of shaping gap in the second direction, first direction and second direction are perpendicular to the conveying direction of material belt, and first direction and second direction are perpendicular to each other, and the third direction is parallel to the conveying direction of material belt. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the three-dimensional structure schematic of the utility model Figure One ;

[0019] Figure 2 It is Figure 1 the partial structure schematic view of structure A in

[0020] Figure 3 It is the three-dimensional structure schematic of the utility model Figure Two , has the protection frame;

[0021] In the drawings: 1, shaping gap; 2, guide; 3, sliding piece; 4, heating assembly; 5, second driving piece; 6, mounting piece; 7, protective cover; 8, control box; 21, sliding rail; 41, clamping plate; 42, heat insulation plate; 43, upper heating block; 44, lower heating block; 421, heat insulation side edge. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail below in combination with the drawings and specific embodiments, and it can be understood that the specific embodiments described herein are only used to explain the related utility model, and not limit the utility model.

[0023] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0024] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature. In addition, the terms "first", "second" are only used to distinguish in description, and have no special meaning.

[0025] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict, and the present application will be described in detail below with reference to the embodiments.

[0026] Embodiment one:

[0027] Figure 1 And Figure 2The specific structure of the material belt heat shaping device is shown. A material belt heat shaping device comprises two heating units, the two heating units are oppositely arranged along a first direction, and the two heating units respectively have a shaping gap 1 in a second direction, the shaping gap 1 is used for accommodating a side edge of the material belt conveyed along a third direction, so that the material belt edge can pass through the shaping gap 1 when conveyed along the third direction, and the heating shaping of the heating unit is obtained. The heating unit further comprises a spacing adjustment assembly, the spacing adjustment assembly is detachably connected with the heating unit, and is used for adjusting the gap size of the shaping gap 1 in the second direction. In the case that the material belt needs to be heated and shaped, such as the case that the material belt edge is deformed due to the impact pit, the gap size of the shaping gap 1 in the second direction can be reduced to approach the material belt edge, and then the heating unit provides heating shaping for the material belt edge, so that the deformed material belt edge with wrinkles, edge lifting and the like is restored to be flat, the subsequent cutting position is kept correct, and the cutting effect is ensured. When the material belt does not need to be heated and shaped, the gap of the shaping gap 1 in the second direction is increased to be far away from the material belt edge. Specifically, the material belt can be an aluminum plastic film belt, the first direction is a horizontal direction, that is, an X-axis direction, the second direction is a vertical direction, that is, a Y-axis direction, and the third direction is a front-rear direction, that is, a Z-axis direction. The material belt edge with wrinkles and edge lifting is restored to be flat through heat shaping, so that the material belt can be transported to a predetermined cutting position, the cutting tool can accurately adhere to a predetermined cutting line, the size of the material belt after cutting is correct, and the cutting edge is neat.

[0028] The spacing adjustment assembly is detachably connected with the displacement mechanism, and the displacement mechanism is further drivingly connected with the two heating units, for synchronously driving the two heating units to relatively approach each other along the first direction, so that the edges of the material belt on both sides simultaneously enter the area where the shaping gap 1 is located, to enter the preset shaping position, or synchronously driving the two heating units to relatively move away from each other along the first direction, so that the edges of the material belt on both sides simultaneously move away from the area where the shaping gap 1 is located, and are no longer heated.

[0029] The displacement mechanism comprises a guide 2 extending along the first direction, and the heating unit further comprises a sliding piece 3 and a heating assembly 4 detachably mounted on the sliding piece 3. Since the shaping gap 1 is located on the heating assembly 4, when the two heating assemblies 4 relatively approach or move away from each other along the first direction, the shaping gaps 1 on the two heating assemblies 4 also simultaneously approach or move away from the edges of the material belt on both sides. The sliding piece 3 is slidingly fitted on the guide 2, and is driven to reciprocally slide along the first direction by the first driving piece connected outside, so that the two heating units reciprocally slide along the first direction to realize relative approaching or moving away. The installation position of the heating unit can be adjusted according to the actual working condition, so as to meet the heat shaping demand of the material belt.

[0030] Preferably, the sliding member 3 can be specifically provided as a stand, the bottom of the stand is provided with a sliding block, the guide member 2 is provided with a sliding rail 21 matched with the sliding block in the first direction, so that the stand can slide on the guide member 2 in the first direction. By adjusting the distance between the two stands, the function of adjusting the distance between the two heating assemblies 4 is realized.

[0031] The heating assembly 4 includes an upper clamping assembly and a lower clamping assembly arranged oppositely, the upper clamping assembly includes an upper heating block 43 with a first opposite surface, the lower clamping assembly includes a lower heating block 44 with a second opposite surface, the upper heating block 43 and the lower heating block 44 can generate heat, and each of the upper heating block 43 or the lower heating block 44 is independently controlled to adjust the heating temperature of the material belt and meet the heat shaping requirement. The first opposite surface is arranged opposite to the second opposite surface, and a shaping gap 1 for the material belt to pass through is left between the first opposite surface and the second opposite surface. When the edge of the material belt passes through the shaping gap 1 in the first direction, the edge can be in contact with the first opposite surface of the upper heating block 43 or the second opposite surface of the lower heating block 44, and then the edge is heat shaped and restored to be flat. Since the shaping gap 1 has a certain space, the material belt has a certain activity allowance, so after the edge of the material belt is sufficiently heat shaped, the material belt can continue to be conveyed in the first direction.

[0032] The upper clamping assembly and the lower clamping assembly are both provided with a clamping plate 41 and a heat insulation plate 42, the corresponding clamping plate 41 of the upper clamping assembly and the upper heating block 43 are clamped with a heat insulation plate 42, and the corresponding clamping plate 41 of the lower clamping assembly and the lower heating block 44 are clamped with another heat insulation plate 42. The clamping plate 41 is the mounting base plate of the upper heating block 43 and the lower heating block 44, and the heat insulation plate 42 is used for heat insulation of the corresponding clamping plate 41 of the upper clamping assembly and the lower clamping assembly.

[0033] Preferably, the heat insulation plate 42 can be specifically provided as an L-shaped heat insulation plate 42, the heat insulation side edge 421 of the L-shaped heat insulation plate 42 is used for abutting the side wall of the upper heating block 43 close to the sliding member 3 or the side wall of the lower heating block 44 close to the sliding member 3, and the upper heating block 43 or the lower heating block 44 can be heat insulated in the lateral direction to prevent high temperature from affecting the normal work of other components.

[0034] Embodiment two:

[0035] In addition to the content described in Embodiment One, the first opposite surface and the second opposite surface can be arc-shaped surfaces, and the gap shape of the shaping gap 1 is arc-shaped. In addition, the upper heating block 43 and the lower heating block 44 can be configured in a detachable manner, so that the worker can select and install the appropriate type of upper heating block 43 and lower heating block 44 according to the direction of the material tape edge curling, to perform thermal shaping on the material tape, and also facilitate the disassembly, cleaning, and replacement of the upper heating block 43 and the lower heating block 44. For example, if the material tape curls upward, the upper heating block 43 and the lower heating block 44 that can cooperate to form a downwardly curved arc-shaped gap are respectively arranged on the upper clamp assembly and the lower clamp assembly, to enhance the shaping effect when the material tape passes through the shaping gap 1.

[0036] The reversing mechanism includes two reversing driving members, which are respectively connected with the two heating assemblies 4 in a movable manner, for driving the two heating assemblies 4 to synchronously reverse, so as to synchronously adjust the bending direction of the two arc-shaped gaps to be upward or downward. In this way, even without disassembling and replacing the upper heating block 43 and the lower heating block 44, the adjustment of the angle of the arc-shaped gap can be completed to adapt to the thermal shaping needs of different material tapes. It can be understood that, since the upper heating block 43 and the lower heating block 44 are configured in a detachable manner, the positions of the upper heating block 43 and the lower heating block 44 can also be directly replaced, that is, the bending direction of the arc-shaped gap between the upper heating block 43 and the lower heating block 44 can be reversed, such as exchanging the upper heating block 43 and the lower heating block 44, so that the bending direction of the arc-shaped gap is reversed from upward to downward.

[0037] The spacing adjustment assembly includes a second driving member 5 and a mounting member 6. The mounting member 6 is detachably connected to the side wall of the sliding member 3, so that the upper clamp assembly and the lower clamp assembly can be simultaneously disassembled by disassembling and assembling the mounting member 6, facilitating the worker to clean, maintain, or replace the components. The second driving member 5 is fixedly arranged on the mounting member 6, and specifically, the second driving member 5 and the clamping plate 41 are fixedly connected by means of screw connection, clamping groove connection, or the like. The two clamping plates 41 are symmetrically arranged on both sides of the second driving member 5 in the second direction, and the two clamping plates 41 are driven by the second driving member 5 to relatively approach or move away in the second direction.

[0038] Figure 3The specific structure of the material belt heat shaping device with protective cover 7 is shown. A plurality of protective covers 7 can be laterally surrounded on the outer sides of the two upper clamping assemblies and / or the outer sides of the two lower clamping assemblies. On the one hand, it can prevent the upper clamping assembly or the lower clamping assembly from being knocked off due to collision, affecting the heat shaping effect. On the other hand, it can also prevent workers from being scalded by approaching and touching the heating shaping gap 1. The protective cover 7 can be specifically provided as two, laterally surrounded on the outer sides of the two upper clamping assemblies, or provided as four, surrounded on the outer sides of the two upper clamping assemblies and the outer sides of the two lower clamping assemblies. Specifically, the protective cover 7 is a plastic cover made of transparent plastic plate material, which is convenient for workers to observe the heat shaping condition of the material belt edge.

[0039] Embodiment three:

[0040] A punching equipment, comprising a material belt, a conveying mechanism for conveying the material belt, and a control box 8 and a material belt heat shaping device as described in embodiment two, the control box 8 is electrically connected with the material belt heat shaping device. Specifically, the conveying mechanism is used to transport the aluminum plastic film belt in the third direction, and the control box 8 can be electrically connected with the displacement mechanism and the two heating units respectively. The control box 8 can independently or cooperatively control whether the two heating units are turned on and the temperature of heating, so as to ensure that the heating temperature of the material belt edge is within a suitable temperature range and prevent the material belt edge from being overheated. Moreover, the displacement mechanism is electrically connected with the control box 8 to realize electric control of the displacement mechanism.

[0041] Further, the material belt heat shaping device is adjustably arranged on the main body of the punching equipment through the mounting seat. Specifically, the guide piece 2 is provided with a second sliding rail on the side away from the sliding piece 3, and the second sliding rail extends along the first direction. The guide piece 2 is slidably connected with one mounting seat on each end along the first direction, and the mounting seat can slide along the first direction on the second sliding rail. Further, a sliding groove along the third direction can also be provided on the side away from the guide piece 2 of the mounting seat, so as to adjust the horizontal position of the material belt heat shaping device on the punching equipment.

[0042] In addition, the material belt can be specifically a raw material belt required for the shell in the production and processing of soft package lithium batteries, i.e. an aluminum plastic film belt. When the aluminum plastic film belt needs to be heat shaped, the control box 8 can first adjust the interval of the two heating units in the first direction, so that the edges of both ends of the aluminum plastic film belt are located in the region of the shaping gap 1. Then, the interval adjusting assembly is used to adjust the gap size of the shaping gap 1 in the second direction to be close to the edges of both ends of the aluminum plastic film belt, and then the edges of both ends of the aluminum plastic film belt are heat shaped to restore the flatness of the edges of the aluminum plastic film belt, so as to ensure that the subsequent cutting position is correct, and then the cutting size is correct and the cutting edge is neat.

[0043] The above merely describes preferred embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A strip thermal shaping device, characterized in that: include Two heating units, the two heating units are arranged opposite to each other along a first direction, and the two heating units respectively have a shaping gap (1) in a second direction, the shaping gap (1) is used to accommodate a side edge of a material strip conveyed along a third direction, and the heating unit is used to heat the material strip accommodated in the shaping gap (1); a spacing adjustment component, the spacing adjustment component being detachably connected to the heating unit and being used for adjusting the size of the shaping gap (1) in the second direction; The first direction and the second direction are both perpendicular to the conveying direction of the material tape, and the first direction and the second direction are perpendicular to each other, and the third direction is parallel to the conveying direction of the material tape.

2. The strip thermal shaping device according to claim 1, characterized in that: It also includes a displacement mechanism; the displacement mechanism is detachably connected to the spacing adjustment component and is driven to connect to the heating unit, and is used to synchronously drive the two heating units to move relatively closer or farther away along the first direction, so that the edges on both sides of the material strip simultaneously enter or leave the area where the shaping gap (1) is located.

3. The strip thermal shaping device according to claim 2, characterized in that: The displacement mechanism comprises a guide member (2) extending along the first direction; the heating unit further comprises a sliding member (3) and a heating assembly (4) detachably mounted on the sliding member (3); the heating assembly (4) is formed with the shaping gap (1); the sliding member (3) is slidably mounted on the guide member (2), so that the two heating units slide back and forth along the first direction to achieve relative proximity or distance.

4. The strip thermal shaping device according to claim 3, characterized in that: The heating assembly (4) includes an upper clamping assembly and a lower clamping assembly that are arranged opposite to each other along the second direction and are detachably connected to the spacing adjustment assembly respectively; the upper clamping assembly includes an upper heating block (43) having a first opposite surface; the lower clamping assembly includes a lower heating block (44) having a second opposite surface; the first opposite surface and the second opposite surface are arranged opposite to each other, and the shaping gap (1) is formed between the first opposite surface and the second opposite surface.

5. The strip thermal shaping device according to claim 4, characterized in that: The upper clamping assembly and the lower clamping assembly are both provided with a clamping plate (41) and a heat insulation plate (42); the heat insulation plate (42) is respectively arranged between the clamping plate (41) and the upper heating block (43) or the lower heating block (44), and the clamping plate (41) is respectively detachably connected to the spacing adjustment assembly.

6. The strip thermal shaping device according to claim 5, characterized in that: The first opposing surface and the second opposing surface are arc-shaped surfaces, and the shaping gap (1) is an arc-shaped gap.

7. The strip thermal shaping device according to claim 6, characterized in that: It also includes a flipping mechanism; the flipping mechanism includes two flipping driving members, and the two flipping driving members are respectively movably connected to the two heating components (4) and are used to drive the two heating components (4) to flip synchronously, so as to synchronously adjust the bending direction of the two arc-shaped gaps to be upward or downward.

8. The strip thermal shaping device according to claim 5, characterized in that: The spacing adjustment assembly comprises a second driving member (5) and a mounting member (6); the second driving member (5) is fixed on the mounting member (6); the mounting member (6) is detachably connected to the side wall of the sliding member (3); the two clamping plates (41) are symmetrically mounted on both sides of the second driving member (5) along the second direction, and are driven by the second driving member (5) to move relatively closer to or farther away from each other in the second direction.

9. The strip thermal shaping device according to claim 4, characterized in that: It also includes a plurality of protective covers (7); the protective covers (7) are arranged on the sliding member (3) and have an accommodating cavity, and the accommodating cavity is used to accommodate the upper clamping assembly or the lower clamping assembly.

10. A pit flushing device, characterized in that: It comprises a material strip, a conveying mechanism, a control box (8) and the material strip thermal shaping device according to any one of claims 1 to 9, wherein the conveying mechanism is used to convey the material strip, and the control box (8) is electrically connected to the material strip thermal shaping device.

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