Battery cell insulating film heating and smoothing device

Abstract

The utility model discloses a battery cell insulating film heating and smoothing device, and relates to the technical field of battery cells PACK. When an insulating film on an insulating film roller passes through an upper supporting roller, a telescopic roller and a lower supporting roller, the insulating film is stretched, heat is generated through an air heater, and the heat is blown to the insulating film in a staggered manner through a flat crossed air outlet pipeline and a flat air outlet of an air outlet piece; the insulating film is stretched and blown flat in two directions, so that the insulating film is tightly attached to the surface of the battery cell to wrap the surface of the battery cell, and then the subsequent procedure of wrapping the surface of the battery cell with the insulating film is performed, so that the problems of wrinkles and edge warping during battery cell encapsulation are solved, and the qualification rate of battery cell encapsulation can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery core PACK, in particular to a heating and smoothing device for a battery core insulating film. Background Art

[0002] Battery PACK is a battery assembly process. The important part of battery PACK assembly is to put electricity into the carrier, and then take protective measures for the charged carrier and fix it in the battery box. This charged carrier is the battery cell. The safety of the battery cell determines the quality of the battery pack. The insulation film roller coating is a very effective protection process for the battery cell, so the battery cell coating directly affects the entire battery box; the main key technical issues are the pressure of the pressure roller, environmental issues, the flatness and adhesion of the insulation film roller,

[0003] At present, wrinkles and warping occur when the battery cell is encapsulated with glue, the insulating film roller is uneven, the low temperature causes the insulating film roller to harden, and the battery cell surface wrinkles and warping due to poor adhesion after encapsulation. Once wrinkles and warping occur in the battery cell encapsulation, the battery cell may be damaged, causing the harm of short circuit leakage, resulting in the scrapping of the entire battery pack and the vehicle. In order to reduce the occurrence of wrinkles and warping problems, the utility model proposes a heating and smoothing device for the battery cell insulating film. Utility Model Content

[0004] In order to solve the technical problems existing in the background technology, the utility model proposes a heating and smoothing device for a battery core insulating film.

[0005] The utility model proposes a heating and smoothing device for the insulating film of a battery cell, comprising a base plate bracket, a fixing frame is installed on the base plate bracket, an insulating film roller is provided on the fixing frame, the insulating film roller rotates on the fixing frame, a heating mechanism is installed on the base plate bracket, the heating mechanism is used to heat the insulating film on the insulating film roller, the fixing frame is provided with a supporting mechanism, the supporting mechanism is used to support the transmission of the insulating film, and the fixing frame is provided with a limiting mechanism, the limiting mechanism is used to limit the insulating film.

[0006] Preferably, the heating mechanism comprises a hot air blower base, the hot air blower base is mounted on a bottom plate bracket, a hot air blower is mounted on the hot air blower base, a ventilation duct is connected to the hot air blower, and an air outlet is connected to the hot air blower.

[0007] Preferably, the air outlet member is a flat cross-type air outlet duct, and the flat cross-type air outlet duct is composed of two flat ducts arranged up and down, and the two flat ducts are distributed crosswise.

[0008] Preferably, a control panel is installed on the hot air blower.

[0009] Preferably, the support mechanism comprises an upper support roller and a lower support roller, both of which are rotatably connected to a fixed frame, and a telescopic mechanism is mounted on the fixed frame, and the telescopic mechanism is rotatably connected to the telescopic roller.

[0010] Preferably, the telescopic mechanism includes two fixed bases, and a linear bearing is installed on the fixed base, a telescopic frame is sleeved on the linear bearing, the telescopic frame slides on the linear bearing, and a sliding rod is installed on the fixed base, the telescopic frame is sleeved on the sliding rod, the telescopic frame slides on the sliding rod, and a spring is sleeved on the sliding rod, the spring is located between the sliding rod and the fixed base, the telescopic roller is located between the two telescopic frames, and the telescopic roller and the telescopic frame are rotatably connected.

[0011] Preferably, the limiting mechanism comprises two limiting frames, the limiting frames are slidably connected to the fixed frames, the limiting frames are rotatably connected to limiting rollers, the fixed frames are provided with pushing members, and the pushing members are used to drive the limiting frames to move and adjust the positions of the limiting frames.

[0012] In the utility model, the proposed heating and smoothing device for the battery core insulation film has the following beneficial technical effects:

[0013] 1. When the insulating film on the insulating film roller passes through the upper support roller, the telescopic roller and the lower support roller, the insulating film is stretched, and heat is generated by the hot air blower. The air outlet is a flat cross-type air outlet duct, and the flat air outlet blows to the insulating film in an alternating manner, stretching and flattening the insulating film in two directions, so that the insulating film is tightly wrapped on the surface of the battery cell, and then the subsequent insulating film wrapping process of the battery cell surface is carried out, thereby reducing the wrinkles and warping problems of the battery cell rubber coating, which can effectively improve the qualified rate of the battery cell rubber coating.

[0014] 2. Through the setting of the limiting mechanism, the pusher adjusts the position of the limiting roller, which can be adjusted to adapt to different specifications and lagging widths of the insulating film;

[0015] 3. The insulating film is heated by hot air, and the battery cell is also heated in this process, making the adhesive bonding stronger.

[0016] 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

[0017] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0018] Figure 2 It is a side view of the structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the air outlet member of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the telescopic mechanism of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the limiting roller and the pushing member of the utility model.

[0022] In the figure, 1. bottom plate bracket; 2. fixed frame; 3. insulating film roller; 4. hot air blower base; 5. hot air blower; 6. control panel; 7. ventilation duct; 8. air outlet piece; 9. upper support roller; 10. telescopic frame; 11. telescopic roller; 12. lower support roller; 13. limiting roller; 14. pushing piece. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar symbols throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] like Figure 1-Figure 5 A battery cell insulating film heating and smoothing device shown includes a base plate bracket 1, a fixing frame 2 is installed on the base plate bracket 1, an insulating film roller 3 is provided on the fixing frame 2, the insulating film roller 3 rotates on the fixing frame 2, and the insulating film roller 3 is formed by winding an insulating film. It is a prior art. A heating mechanism is installed on the base plate bracket 1, and the heating mechanism is used to heat the insulating film on the insulating film roller 3. A supporting mechanism is provided on the fixing frame 2, and the supporting mechanism is used to support the transmission of the insulating film. A limiting mechanism is provided on the fixing frame 2, and the limiting mechanism is used to limit the insulating film.

[0025] In an optional embodiment, the heating mechanism includes a hot air blower base 4, which is mounted on the bottom plate bracket 1, a hot air blower 5 is mounted on the hot air blower base 4, and the hot air blower 5 is connected to a ventilation pipe 7, and the hot air blower 5 is connected to an air outlet 8;

[0026] The air outlet member 8 is a flat cross-type air outlet duct, and the flat cross-type air outlet duct is composed of two flat ducts arranged up and down, and the two flat ducts are distributed crosswise.

[0027] In an optional embodiment, a control panel 6 is installed on the hot air blower 5 .

[0028] In an optional embodiment, the support mechanism includes an upper support roller 9 and a lower support roller 12, both of which are rotatably connected to the fixed frame 2, and a telescopic mechanism is installed on the fixed frame 2, and a telescopic roller 11 is rotatably connected to the telescopic mechanism.

[0029] In an optional embodiment, the telescopic mechanism includes two fixed bases, the fixed base is mounted on the fixed frame 2, and a linear bearing is mounted on the fixed base, a telescopic frame 10 is sleeved on the linear bearing, the telescopic frame 10 slides on the linear bearing, and a sliding rod is mounted on the fixed base, the telescopic frame 10 is sleeved on the sliding rod, the telescopic frame 10 slides on the sliding rod, and a spring is sleeved on the sliding rod, the spring is located between the sliding rod and the fixed base, limit blocks are installed on the linear bearing and the sliding rod, and the limit blocks are used to prevent the telescopic frame 10 from falling off, the telescopic roller 11 is located between the two telescopic frames 10, and the telescopic roller 11 is rotatably connected to the telescopic frame 10;

[0030] The setting of the telescopic mechanism supports the telescopic roller 11 to be telescopic by a spring, and the tension of the insulating film on the insulating film roller when it falls can be adjusted, which is conducive to the flattening of the insulating film.

[0031] In an optional embodiment, the limiting mechanism includes two limiting frames, the limiting frames are slidably connected to the fixed frame 2, the limiting frames are rotatably connected to the limiting rollers 13, and the fixed frame 2 is provided with a pusher 14, which is used to drive the limiting frames to move and adjust the position of the limiting frames;

[0032] The limiting frame and the fixed frame 2 can be slidably connected through a sliding groove and a sliding rod. The limiting frame is sleeved on the sliding rod and fixedly connected to the sliding rod. One end of the sliding rod slides in the sliding groove.

[0033] The pusher 14 is a micrometer, which is also called a screw micrometer. It is a prior art. By rotating the micrometer in a screw manner, the limit frame can be driven to move.

[0034] By setting the limiting mechanism, the pusher 14 adjusts the position of the limiting roller 13, and the limiting adjustment can be adapted to different specifications and rubber-coating widths of the insulating film.

[0035] When the insulating film on the insulating film roller 3 passes through the upper support roller 9, the telescopic roller 11 and the lower support roller 12, the insulating film is stretched, and heat is generated by the hot air blower 5. The air outlet piece 8 is a flat cross-type air outlet duct, and the flat air outlets are staggered to blow toward the insulating film, so that the insulating film is stretched and flattened in two directions, so that the insulating film is tightly wrapped on the surface of the battery cell, and then the subsequent insulating film wrapping process of the battery cell surface is carried out, thereby reducing the wrinkles and warping problems of the battery cell rubber coating, which can effectively improve the qualified rate of the battery cell rubber coating.

[0036] The insulating film is heated by hot air, and the battery cell is also heated during this process, making the adhesive bonding stronger.

[0037] During the working process of this embodiment:

[0038] Start the hot air blower 5. When the insulating film roller 3 is tightened by the stretching roller, the insulating film is stretched by the stretching roller through the upper support roller 9, the telescopic roller 11 and the lower support roller 12. At this time, the hot air blower 5 generates heat, which is blown to the insulating film through the flat air outlet of the air outlet piece 8 in a staggered manner, and the insulating film is stretched and flattened in two directions. At this time, the insulating film wraps the surface of the battery cell, and then the insulating film and the battery cell are pressed together to make the insulating film roller 3 tightly wrapped around the surface of the battery cell, thereby playing a role in insulating and protecting the battery cell and improving its appearance.

[0039] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0040] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0041] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying 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 the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0042] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0044] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A heating and smoothing device for a battery core insulating film, comprising a bottom plate support (1), characterized in that: A fixing frame (2) is installed on the bottom plate support (1), an insulating film roller (3) is provided on the fixing frame (2), and the insulating film roller (3) rotates on the fixing frame (2); a heating mechanism is installed on the bottom plate support (1), and the heating mechanism is used to heat the insulating film on the insulating film roller (3); a supporting mechanism is provided on the fixing frame (2), and the supporting mechanism is used to support the transmission of the insulating film; a limiting mechanism is provided on the fixing frame (2), and the limiting mechanism is used to limit the insulating film.

2. The heating and smoothing device for the battery core insulating film according to claim 1, characterized in that: The heating mechanism comprises a hot air blower base (4), the hot air blower base (4) is mounted on a bottom plate bracket (1), a hot air blower (5) is mounted on the hot air blower base (4), a ventilation pipe (7) is connected to the hot air blower (5), and an air outlet member (8) is connected to the hot air blower (5).

3. The heating and smoothing device for the battery core insulating film according to claim 2, characterized in that: The air outlet member (8) is a flat cross-type air outlet duct, which is composed of two flat ducts arranged up and down, and the two flat ducts are distributed in a cross-type manner.

4. The heating and smoothing device for the battery core insulating film according to claim 2, characterized in that: A control panel (6) is installed on the hot air blower (5).

5. The heating and smoothing device for the battery core insulating film according to claim 1, characterized in that: The support mechanism comprises an upper support roller (9) and a lower support roller (12), wherein the upper support roller (9) and the lower support roller (12) are both rotatably connected to a fixed frame (2), and a telescopic mechanism is installed on the fixed frame (2), and a telescopic roller (11) is rotatably connected to the telescopic mechanism.

6. The heating and smoothing device for the battery core insulating film according to claim 5, characterized in that: The telescopic mechanism comprises two fixed bases, and a linear bearing is installed on the fixed base, a telescopic frame (10) is sleeved on the linear bearing, and the telescopic frame (10) slides on the linear bearing, and a sliding rod is installed on the fixed base, the telescopic frame (10) is sleeved on the sliding rod, and the telescopic frame (10) slides on the sliding rod, and a spring is sleeved on the sliding rod, and the spring is located between the sliding rod and the fixed base, and the telescopic roller (11) is located between the two telescopic frames (10), and the telescopic roller (11) and the telescopic frame (10) are rotatably connected.

7. The heating and smoothing device for the battery core insulating film according to claim 1, characterized in that: The limiting mechanism comprises two limiting frames, the limiting frames are slidably connected to the fixed frame (2), the limiting frames are rotatably connected to limiting rollers (13), and the fixed frame (2) is provided with a pushing member (14), which is used to drive the limiting frames to move and adjust the position of the limiting frames.

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