Battery shaping device

Abstract

The utility model belongs to the technical field of battery manufacturing, and particularly relates to a battery shaping device which comprises two groups of rolling pieces distributed at intervals along a first direction, a shaping film and two groups of film drawing assemblies, a shaping space for a battery to enter along a second direction is formed between the two groups of rolling pieces, and the rolling pieces are contacted with the battery; the shaping film is arranged between the rolling part and the battery, and the shaping film can be attached to the battery after the battery enters the shaping space; the two groups of film drawing assemblies are respectively connected with two ends of the shaping film, and can separate the shaping film from the battery along the first direction and enable the battery to exit from the shaping space along the second direction; compared with the prior art, the battery shaping device disclosed by the utility model has the advantages that the battery shaping is realized by generating bidirectional acting force, the appearance quality of the battery is improved, and the module forming difficulty is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to battery manufacturing technical field, especially relate to a battery shaping device. BACKGROUND

[0002] The shell of the battery is baked in high temperature vacuum, is cooled down fast and is tested in multiple helium leak detection, and part of the shell itself will cause the battery appearance to be poor because of the material problem or the unreasonable process parameter, presents the big face bulge, the big face depression or big face "S, affects the battery bag insulating film effect, causes the bag film to be bad, and the module forming is difficult, causes waste and performance influence. INNOVATION CONTENT

[0003] The utility model discloses a battery shaping device, which can generate bidirectional force to shape the battery, improve the appearance quality of the battery and reduce the difficulty of module forming.

[0004] Therefore, the utility model provides a battery shaping device, which comprises:

[0005] Two groups of roller pressure parts are distributed along the first direction, and a shaping space for the battery to enter along the second direction is formed between the two groups of roller pressure parts, and the roller pressure parts are in contact with the battery.

[0006] A shaping film is arranged around the roller pressure part and partially located in the shaping space, and the shaping film can be attached to the battery after the battery enters the shaping space.

[0007] Two groups of film pulling assemblies are connected to the two ends of the shaping film respectively, and the two groups of film pulling assemblies can separate the shaping film from the battery along the first direction and make the battery exit the shaping space along the second direction.

[0008] In the technical scheme, the battery is pushed into the shaping space along the second direction, and in this process, the roller pressure part extrudes the shaping film to the surface of the battery, so that the shaping film is attached to the surface of the battery, and the protruding part of the large surface of the battery is deformed inward, and when the shaping film completely covers the whole large surface of the battery, the battery stops moving, then the two groups of film pulling assemblies pull the two ends of the shaping film to the outside of the shaping space, so that the battery exits the shaping space along the second direction, in this process, the shaping film is separated from the battery, and the shaping film gives the large surface of the battery a force away from the battery along the first direction, so that the concave part of the large surface of the battery is deformed outward, and the roller pressure part gives the large surface of the battery a force close to the battery along the first direction, so as to limit the terminal point of the deformation of the large surface of the battery outward, and when the battery completely exits the shaping space, the shaping of the large surface of the battery is completed.

[0009] In the technical scheme, further, each group of roller pressing members comprises two roller pressing wheels spaced apart along the second direction, and a limiting space for the shaping film to pass through is formed between the two roller pressing wheels, and the two ends of the shaping film are connected with the two groups of film pulling assemblies after passing through the two limiting spaces respectively.

[0010] In the technical scheme, further, the base and two adjusting frames are further included, the two groups of roller pressing members are arranged on the two adjusting frames respectively, and the two adjusting frames are arranged on the base and can adjust the interval in the first direction.

[0011] In the technical scheme, further, the base is provided with a sliding groove, the bottom of the adjusting frame is arranged in the sliding groove in the first direction, and the adjusting frame is provided with a locking mechanism capable of locking or unlocking the adjusting frame at the current position.

[0012] In the technical scheme, further, the locking mechanism comprises a locking screw hole and a locking screw rod, the locking screw hole is arranged on the adjusting frame in the second direction, the locking screw rod is threadedly connected with the locking screw hole, and the threaded end of the locking screw rod is in abutment with the base after passing through the locking screw hole.

[0013] In the technical scheme, further, the two groups of film pulling assemblies each comprise a fixing frame and a film pulling roller, the two fixing frames are arranged on the base, and the two film pulling rollers are rotatably arranged on the two fixing frames respectively, and the two ends of the shaping film are connected with the two film pulling rollers respectively.

[0014] In the technical scheme, further, a supporting plate and a longitudinal pushing mechanism are further included, the supporting plate is located in the shaping space, and the longitudinal pushing mechanism can drive the supporting plate to reciprocate in the second direction.

[0015] In the technical scheme, further, the longitudinal pushing mechanism comprises two longitudinal pushing screw holes, two longitudinal pushing screw rods and two longitudinal pushing motors, the two longitudinal pushing screw holes are arranged at the two ends of the supporting plate respectively, the two longitudinal pushing screw rods are threadedly connected with the two longitudinal pushing screw holes respectively, the two longitudinal pushing screw rods are rotatably connected with the base, and the two longitudinal pushing motors drive the two longitudinal pushing screw rods to rotate respectively.

[0016] In the technical scheme, further, the roller pressing wheel is made of silicone rubber.

[0017] In the technical scheme, further, the shaping film is a PET release film.

[0018] The beneficial effects of the utility model are as follows:

[0019] 1. Through the cooperation of two groups of roller pressing parts, a shaping film and two groups of film pulling assemblies, the convex part of the large face can be deformed inward during the process of the battery entering the shaping space, the concave part of the large face can be deformed outward during the process of the battery exiting the shaping space, and the terminal point of the outward deformation of the large face of the battery is limited by the two groups of roller pressing parts, so that the large face of the battery is shaped, the appearance quality of the battery is improved, and the forming difficulty of the module is reduced.

[0020] 2. By designing each group of roller pressing parts as two roller pressing wheels distributed in the second direction and forming a limiting space for the shaping film to pass through between the two roller pressing wheels, the shaping film can be completely separated from the battery along the first direction during the separation of the shaping film and the battery, instead of the inclined movement of the shaping film to drive the shaping film to separate from the battery along the first direction by partial force, so that the separation efficiency of the shaping film and the battery is improved, and the shaping efficiency of the battery is further improved.

[0021] 3. By arranging the two groups of roller pressing parts on two adjusting frames respectively, and enabling the two adjusting frames to adjust the interval on the base along the first direction, different sizes of batteries can be shaped, and the application range is wider.

[0022] 4. By setting the cooperation of the supporting plate and the longitudinal pushing mechanism to assist the battery to enter and exit the shaping space, the working load of the two groups of film pulling assemblies is reduced, the service life of the battery shaping device is prolonged, and the stability of the battery during the process of entering and exiting the shaping space is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0024] Figure 1 It is a three-dimensional structure schematic diagram of the battery preparing to enter the shaping space state in the present application.

[0025] Figure 2 It is a front view structure schematic diagram of the battery preparing to enter the shaping space state in the present application.

[0026] Figure 3 It is a three-dimensional structure schematic diagram of the battery in the shaping space in the present application.

[0027] Figure 4 It is a three-dimensional structure schematic diagram of the battery in the shaping space in the present application.

[0028] Figure 5The utility model discloses a battery structure schematic diagram.

[0029] The figure mark is:

[0030] 1, roller wheel, 2, shaping film, 301, fixed frame, 302, membrane pulling roller, 4, base, 5, adjusting frame, 6, sliding groove, 7, locking mechanism, 701, locking screw hole, 702, locking screw rod, 8, supporting plate, 9, longitudinal pushing mechanism, 901, longitudinal pushing screw hole, 902, longitudinal pushing screw rod, 903, longitudinal pushing motor, 100, battery, 200, large face, 300, small face, X, first direction, Y, second direction. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0032] In the description of the utility model, it is necessary to explain that the terms used here are only for describing the specific embodiments and not intended to limit the exemplary embodiments according to the application. In order to facilitate the description, the size of each part shown in the drawings is not drawn according to the actual proportion relationship. The technology, method and equipment known to the ordinary skilled in the related field may not be discussed in detail, but under appropriate circumstances, the technology, method and equipment should be regarded as part of the authorized description. In all examples shown and discussed here, any specific value should be interpreted as only exemplary and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in the subsequent drawings.

[0033] The battery 100 structure in the utility model is as shown in Figure 5 The battery 100 has four side walls, including two large faces 200 and two small faces 300, and the area of the large face 200 is much larger than that of the small face 300, which also makes the large face 200 of the battery 100 easy to deform.

[0034] Embodiment 1

[0035] As shown in Figures 1-4 The embodiment provides a battery shaping device, which comprises two groups of roller pressing parts distributed at intervals along a first direction X, a shaping film 2 and two groups of membrane pulling assemblies,

[0036] Please refer toFigure 2 The two groups of roller members form a shaping space for the battery 100 to enter along the second direction Y, and the roller members are in contact with the battery 100, please refer to Figure 1 The two large faces 200 of the battery 100 are located in the first direction X during shaping;

[0037] In this embodiment, the roller member includes a roller wheel 1, and the outer peripheral wall of the roller wheel 1 is a soft material roller with a certain thickness, such as a silicone rubber material, and the outer peripheral wall of the roller wheel 1 is in contact with the battery 100;

[0038] In this embodiment, the roller wheel 1 can be driven to rotate by a motor (not shown in the figure);

[0039] The shaping film 2 is arranged on the roller member and partially located in the shaping space. When the battery 100 enters the shaping space along the second direction Y under the action of an external force, the large face of the battery 100 is in contact with the roller wheel 1 and is continuously extruded by the roller wheel 1. During the gradual downward movement of the battery 100, the shaping film 2 is continuously attached to the surface of the large face of the battery 100, until the entire large face of the battery 100 is completely covered;

[0040] The external force for moving the battery 100 along the second direction Y is realized by other driving structures (not shown in the figure), such as a pneumatic cylinder arranged above the battery 100 along the second direction Y, or a motor connected to the roller wheel 1, which drives the roller wheel to rotate actively, thereby driving the movement of the battery 100 along the second direction Y, or relying on human power.

[0041] In this embodiment, the shaping film 2 has a certain viscosity and no residual glue after being torn off, such as a PET release film;

[0042] The two groups of film pulling assemblies are connected to the two ends of the shaping film 2 respectively, and the two groups of film pulling assemblies can separate the shaping film 2 from the battery 100 along the first direction X, and make the battery 100 exit the shaping space along the second direction Y;

[0043] In this embodiment, the pulling force of the two groups of film pulling assemblies on the shaping film 2 can be along the first direction X, or along an inclination angle between the first direction X and the second direction Y, that is, at least a component along the first direction X on the shaping film 2, so that the shaping film 2 can be separated from the battery 100;

[0044] In this embodiment, Figure 2 The figure shows the state of the battery 100 ready to enter the shaping space. At this time, the battery 100 is pushed into the shaping space along the second direction Y. During this process, the roller member extrudes the shaping film 2 towards the surface of the battery 100, so that the shaping film 2 is attached to the surface of the battery 100, and the convex part of the large face 200 of the battery 100 is deformed inward, and when it reaches the position as shown in Figure 4The battery 100 stops moving when the shaping film 2 completely covers the entire large surface 200 of the battery 100, then the two groups of film pulling assemblies pull the two ends of the shaping film 2 out of the shaping space, so that the battery 100 exits the shaping space along the second direction Y, in this process, the shaping film 2 is separated from the battery 100, and the shaping film 2 gives the large surface 200 of the battery 100 a force away from the battery 100 along the first direction X, so that the concave part of the large surface 200 of the battery 100 deforms outward, and the roller pressing member gives the large surface 200 of the battery 100 a force close to the battery 100 along the first direction X, limiting the terminal point of the deformation of the large surface 200 of the battery 100 outward, and when the battery 100 completely exits the shaping space, the shaping of the large surface 200 of the battery 100 is completed.

[0045] Embodiment 2

[0046] The embodiment provides a battery shaping device, in addition to comprising the technical solutions of the above-mentioned embodiments, the structure of the roller pressing member is improved.

[0047] In the embodiment, please refer to Figure 2 Or Figure 4 Each group of roller pressing members comprises two roller pressing wheels 1 spaced apart along the second direction Y, and a limiting space for the shaping film 2 to pass through is formed between the two roller pressing wheels 1, and the two ends of the shaping film 2 pass through the two limiting spaces respectively and are connected with the two groups of film pulling assemblies.

[0048] In the process of the battery 100 exiting the shaping space, the shaping film 2 will contact the upper roller pressing wheel 1 in each group of roller pressing members under the pulling action of the two groups of film pulling assemblies, so that a small section of the shaping film 2 close to the battery 100 is completely directed to the first direction X, so that the efficiency of separating the shaping film 2 from the battery 100 is improved, thereby improving the shaping efficiency of the battery 100.

[0049] Embodiment 3

[0050] The embodiment provides a battery shaping device, in addition to comprising the technical solutions of the above-mentioned embodiments, the structure of the roller pressing member is improved.

[0051] In the embodiment, the battery shaping device further comprises a base 4 and two adjusting frames 5, the two groups of roller pressing members are arranged on the two adjusting frames 5 respectively, the two adjusting frames 5 are arranged on the base 4, and the two adjusting frames 5 can adjust the interval in the first direction X.

[0052] Specifically, please refer to Figure 1 The base 4 is provided with a sliding groove 6, the sliding groove 6 can be provided with one group or multiple groups, the bottom of the adjusting frame 5 is arranged in the sliding groove 6 in the first direction X, the adjusting frame 5 cannot move along the second direction Y relative to the sliding groove 6, and the adjusting frame 5 is provided with a locking mechanism 7 capable of locking or unlocking the adjusting frame 5 at the current position.

[0053] More specifically, please refer to Figure 1 , the locking mechanism 7 includes a locking hole 701 and a locking screw 702, the locking hole 701 is arranged on the adjusting frame 5 along the second direction Y, the locking screw 702 is threadedly connected with the locking hole 701, and the threaded end of the locking screw 702 abuts against the base 4 after passing through the locking hole 701;

[0054] In this embodiment, since the two groups of adjusting frames 5 can adjust the interval in the first direction X, the interval of the two groups of roller pressing members in the first direction X can also be adjusted, so that when shaping the battery 100 of different sizes, only the current position of the adjusting frame 5 needs to be unlocked through the locking mechanism 7, then the interval of the two adjusting frames 5 in the first direction X is adjusted, and after the two adjusting frames 5 are adjusted to the appropriate position, the current position of the adjusting frame 5 is locked through the locking mechanism 7, and then the normal shaping step can be performed;

[0055] In this embodiment, when it is needed to lock the adjusting frame 5 in the current position, the locking screw 702 is rotated so that the threaded end of the locking screw 702 abuts against the upper surface of the base 4, so as to limit the movement of the adjusting frame 5 relative to the base 4; when it is needed to unlock the adjusting frame 5 in the current position, the locking screw 702 is rotated so that the threaded end of the locking screw 702 is separated from the base 4, so as to release the limitation on the adjusting frame 5.

[0056] Embodiment 4

[0057] This embodiment provides a battery shaping device, in addition to the technical solutions of the above-mentioned embodiments, a structure of a film pulling assembly is also disclosed;

[0058] In this embodiment, please refer to Figure 1 , the two groups of film pulling assemblies each include a fixed frame 301 and a film pulling roller 302, the two fixed frames 301 are arranged on the base 4, and the two fixed frames 301 are respectively located on the two sides of the battery 100, the two film pulling rollers 302 are respectively rotationally arranged on the two fixed frames 301, and the two ends of the shaping film 2 are respectively connected with the two film pulling rollers 302, so that the shaping film 2 can be wound or released when the film pulling roller 302 rotates;

[0059] In this embodiment, the film pulling roller 302 can be driven to rotate by a motor (not shown in the figure);

[0060] In this embodiment, in the process of the battery 100 entering the shaping space, the film pulling roller 302 rotates to release the shaping film 2, so that the battery 100 extrudes the shaping film 2 into the shaping space, thereby realizing that the shaping film 2 covers the large face 200 of the battery 100; in the process of the battery 100 exiting from the shaping space, the film pulling roller 302 rotates to wind the shaping film 2, so as to pull the shaping film 2 out of the shaping space and separate the shaping film 2 from the large face 200 of the battery 100.

[0061] Embodiment 5

[0062] The embodiment provides a battery shaping device, in addition to comprising the technical scheme of the above embodiment, the battery shaping device is optimized as a whole;

[0063] In the embodiment, the battery shaping device further comprises a supporting plate 8 and a longitudinal pushing mechanism 9, the supporting plate 8 is located in the shaping space, and the longitudinal pushing mechanism 9 can drive the supporting plate 8 to reciprocate along the second direction Y.

[0064] In the embodiment, the supporting plate 8 is first moved to a position away from the base 4 by the longitudinal pushing mechanism 9, the battery 100 is placed on the supporting plate 8 after the bottom surface of the battery 100 is contacted with the shaping film 2, then the roller 1 is rotated to push the battery 100 into the shaping space, and in the process, the supporting plate 8 is synchronously moved to the base 4 in the direction of approaching the base 4 under the driving of the longitudinal pushing mechanism 9; when it is needed to take the battery 100 out of the shaping space, the film pulling roller 302 is rotated to roll up the shaping film 2, so that the battery 100 is pulled out of the shaping space, and in the process, the supporting plate 8 is synchronously moved to the base 4 in the direction of moving away from the base 4 under the driving of the longitudinal pushing mechanism 9, and the battery 100 is pushed out of the shaping space by the film pulling roller 302.

[0065] Specifically, please refer to Figure 1 The longitudinal pushing mechanism 9 comprises two longitudinal pushing screw holes 901, two longitudinal pushing screw rods 902 and two longitudinal pushing motors 903, the two longitudinal pushing screw holes 901 are arranged at two ends of the supporting plate 8 respectively, the two longitudinal pushing screw rods 902 are threadedly connected with the two longitudinal pushing screw holes 901 respectively, the two longitudinal pushing screw rods 902 are rotationally connected with the base 4, and the two longitudinal pushing motors 903 drive the two longitudinal pushing screw rods 902 to rotate respectively.

[0066] When it is needed to drive the supporting plate 8 to move in the second direction Y, the two longitudinal pushing motors 903 are started to drive the two longitudinal pushing screw rods 902 to rotate, so that the supporting plate 8 can move in the second direction Y through cooperation of the two longitudinal pushing screw rods 902 and the two longitudinal pushing screw holes 901; the two longitudinal pushing motors 903 can be controlled to realize reciprocating movement of the supporting plate 8 in the second direction Y.

[0067] The embodiments in the application and the features in the embodiments are combinable in the case of no conflict, the application is not limited to the above-mentioned specific embodiments, the above-mentioned specific embodiments are only illustrative but not restrictive, and a person of ordinary skill in the art can make many forms under the inspiration of the application without departing from the scope of the application and the protection scope of the claims.

Claims

1. A battery shapmg device, characterized by, The application relates to a battery shaping device. The device comprises: two groups of roller pressing parts distributed at intervals along a first direction (X), shaping spaces for batteries (100) to enter along a second direction (Y) being formed between the two groups of roller pressing parts, the roller pressing parts being in contact with the batteries (100); a shaping film (2) wrapped around the roller pressing parts and partially located in the shaping spaces, the shaping film (2) being capable of being attached to the batteries (100) after the batteries (100) enter the shaping spaces; 2. The cell shaping device of claim 1, wherein: two groups of film pulling assemblies connected with two ends of the shaping film (2) respectively, the two groups of film pulling assemblies being capable of separating the shaping film (2) from the batteries (100) along the first direction (X) and making the batteries (100) exit the shaping spaces along the second direction (Y).

3. The cell shaping device of claim 2, wherein: Each group of the roller pressing parts comprises two roller pressing wheels (1) distributed at intervals along the second direction (Y), limiting spaces for the shaping film (2) to pass through being formed between the two roller pressing wheels (1), two ends of the shaping film (2) being connected with the two groups of film pulling assemblies after passing through the two limiting spaces respectively.

4. The cell shaping device of claim 3, wherein: The device further comprises a base (4) and two adjusting frames (5), the two groups of roller pressing parts being arranged on the two adjusting frames (5) respectively, the two adjusting frames (5) being arranged on the base (4), and the two adjusting frames (5) being capable of adjusting the interval in the first direction (X).

5. The cell shaping device of claim 4, wherein: The base (4) is provided with sliding grooves (6), the bottom of the adjusting frame (5) being arranged in the sliding grooves (6) in the first direction (X), and the adjusting frame (5) being provided with a locking mechanism (7) capable of locking or unlocking the adjusting frame (5) at the current position.

6. The cell shaping device of claim 3, wherein: The locking mechanism (7) comprises a locking screw hole (701) and a locking screw rod (702), the locking screw hole (701) being arranged on the adjusting frame (5) in the second direction (Y), the locking screw rod (702) being threadedly connected with the locking screw hole (701), and the threaded end of the locking screw rod (702) being in abutment with the base (4) after passing through the locking screw hole (701).

7. The cell shaping device of claim 3, wherein: Each group of the film pulling assemblies comprises a fixing frame (301) and a film pulling roller (302), the two fixing frames (301) being arranged on the base (4), and the two film pulling rollers (302) being rotatably arranged on the two fixing frames (301) respectively, two ends of the shaping film (2) being connected with the two film pulling rollers (302) respectively. The device further comprises a supporting plate (8) and a longitudinal pushing mechanism (9), the supporting plate (8) being located in the shaping spaces, and the longitudinal pushing mechanism (9) being capable of driving the supporting plate (8) to reciprocate along the second direction (Y).

8. The cell shaping device of claim 7, wherein: The longitudinal thrust mechanism (9) comprises two longitudinal thrust screw holes (901), two longitudinal thrust screw rods (902) and two longitudinal thrust motors (903), the two longitudinal thrust screw holes (901) are arranged at two ends of the supporting plate (8) respectively, the two longitudinal thrust screw rods (902) are in threaded connection with the two longitudinal thrust screw holes (901) respectively, the two longitudinal thrust screw rods (902) are rotationally connected with the base (4), and the two longitudinal thrust motors (903) drive the two longitudinal thrust screw rods (902) to rotate respectively.

9. The cell shaping device of claim 2, wherein: The roller wheel (1) is made of silicone rubber.

10. The cell shaping device of claim 1, wherein: The plastic film (2) is a PET release film.

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