Adjustable cell extrusion device based on CTB process

Abstract

The utility model relates to an adjustable battery cell extrusion device based on a CTB process, and belongs to the technical field of battery module extrusion equipment. The device comprises a motor used for providing power; the transmission belt is connected with the motor and used for transmitting power; the screw rod is driven by a rotating shaft in the transmission belt to rotate; the movable seat is matched with the lead screw through threads to move back and forth, so that a lead screw sliding block mechanism is formed; the movable pressing claw is fixed at the bottom of the movable seat and used for being matched with the fixed pressing claw for extrusion; the fixed pressing claw is fixed in position and is arranged opposite to the movable pressing claw; and the movable pressing claw moves towards the fixed pressing claw along with the movable seat and extrudes the battery cell together. According to the utility model, the battery core in the CTB battery can be directly extruded, so that the compaction degree of the battery module is accurately controlled, and the quality of the battery module is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery module extrusion equipment technical field especially adjustable electric core extrusion device based on CTB technology. BACKGROUND

[0002] Through extruding battery module, can compact battery module, reduce the gap between battery module. This can improve the quality of battery module, reduce the volume of module, improve product volume utilization, improve the performance and life of battery assembly.

[0003] The current extrusion device corresponds to CTP technology (Cell To Pack), and the battery is first extruded into a group and then is subjected to the box operation. And the CTB technology (Cell To Body) is more simplified in structure, reduces the space loss caused by the connection of each module and the box, and is expected to further improve the overall space utilization. And under this structure mode, the battery is not only an energy body, but also participates in stress as a structure, which can increase the stability of the whole battery.

[0004] However, there is a lack of extrusion equipment directly acting on the inside of the battery in the market at present, and only manual extrusion and fixation are relied on, which not only has low operation efficiency, but also wastes a large amount of labor cost.

[0005] To solve the above problems, an adjustable electric core extrusion device based on CTB technology is needed. UTILITY MODEL CONTENTS

[0006] The applicant provides an adjustable electric core extrusion device based on CTB technology in view of the defects in the above existing production technology, so as to reduce the difficulty of manual operation, reduce the risk of manual operation, and improve the safety of operation.

[0007] The technical scheme adopted by the utility model is as follows: an adjustable electric core extrusion device based on CTB technology, comprising:

[0008] A motor is used to provide power.

[0009] A transmission belt is connected with the motor and is used to transmit power.

[0010] A lead screw is driven to rotate by a rotating shaft inside the transmission belt.

[0011] A movable seat is moved forward and backward by cooperating with the lead screw through threads, forming a lead screw sliding block mechanism.

[0012] A movable pressing claw is fixed at the bottom of the movable seat and is used to extrude in cooperation with a fixed pressing claw.

[0013] The fixed pressing claw is fixed in position and is arranged opposite to the movable pressing claw.

[0014] The movable gripper moves toward the fixed gripper along with the movable seat, and together they squeeze the battery cell.

[0015] In one embodiment, a slide rail is also included, which slides in conjunction with the movable seat to ensure the stability of the movable seat during movement.

[0016] In one embodiment, a mounting base is also included, and the fixing clamp is fixed to the mounting base by a screw.

[0017] In one embodiment, a scale is also included to indicate the distance between the movable gripper and the fixed gripper, and parameters are set via a controller to adjust to a suitable extrusion width.

[0018] In one embodiment, the controller is used to control the operation of the motor and set the extrusion parameters.

[0019] In one embodiment, a housing sheet metal is also included, which covers the external structure of the device to protect the internal mechanical structure and provide operating space.

[0020] In one embodiment, a handle is provided on the outer shell sheet metal to facilitate the movement and assembly of the device by the operator.

[0021] In one embodiment, a protective shell is provided on the outside of the transmission belt to protect the transmission belt from external interference and damage.

[0022] In one embodiment, a battery housing is also included for accommodating the battery cells and end plates, wherein the battery cells are located between the two end plates, and the gap between the battery cells is reduced by the squeezing action of the movable clamps and the fixed clamps.

[0023] The beneficial effects of this utility model are as follows:

[0024] This utility model has a compact structure and is easy to operate. By connecting an external power source to power the controller and motor, and setting the motor operating parameters on the controller, it can meet the extrusion requirements of various lengths, reduce the need for manual operation, and improve work efficiency.

[0025] This utility model also has the following advantages:

[0026] (1) By working together with the movable and fixed clamps on the movable and fixed seats, the device adapts to the internal structural characteristics of different CTB batteries. This adjustment capability makes the device highly adaptable and flexible, and can cope with the internal structure of different CTB batteries.

[0027] (2) motor drives the screw rod to rotate, and converts into linear motion, replaces manual extrusion of battery core, thereby accurately controlling compactness of battery module, and improving quality of battery module, so that quality of the battery module can be improved, the advantages of high volume utilization of CTP battery module are preserved, and the advantages of CTB battery are also possessed, and performance and service life of the CTB battery are effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is the whole structure schematic view in the extrusion state of the utility model.

[0029] Figure 2 It is the front view of the utility model.

[0030] Figure 3 It is the side view of the utility model.

[0031] Figure 4 It is the top view of the utility model.

[0032] Figure 5 It is the perspective view under the bottom view angle of the utility model.

[0033] Wherein: 1, motor;2, transmission belt;3, transmission belt protection shell;4, movable pressing grab;5, fixed pressing grab;6, handle;7, shell sheet metal;8, battery shell;9, end plate;10, battery core;11, scale;12, fixed seat;13, screw rod;14, movable seat;15, slide rail;16, controller. DETAILED DESCRIPTION

[0034] The specific implementation of the utility model will be described below in combination with the drawings.

[0035] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The preferred embodiments of the utility model are shown in the drawings. However, the utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0037] In the case of using "include", "have", and "contain" described in this paper, unless the explicit limiting language such as "only", "consisting of" and the like is used, another component can also be added. Unless otherwise mentioned, the singular form of the term can include the plural form and cannot be understood as one in number.

[0038] It should be understood that although the terms "first", "second" and the like can be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, without departing from the scope of the present application, the first element can be referred to as the second element, and similarly, the second element can be referred to as the first element.

[0039] In addition, the drawings are not drawn to scale 1:1, and the relative size of each element is only drawn by example in the drawings, not necessarily drawn in true proportion.

[0040] As Figures 1-5 , a structure state schematic diagram of an adjustable battery cell extrusion device based on CTB process in an embodiment of the present application is shown. For ease of description, the drawings only show the structures related to the embodiments of the present application.

[0041] The present embodiment provides an adjustable battery cell extrusion device based on CTB process, which comprises a motor 1, a transmission belt 2, a transmission belt protection shell 3, a movable pressing claw 4, a fixed pressing claw 5, a handle 6, an outer shell sheet metal 7, a scale 11, a fixed seat 12, a lead screw 13, a movable seat 14, a sliding rail 15 and a controller 16.

[0042] In some embodiments, the adjustable battery cell extrusion device based on CTB process of the present embodiment comprises:

[0043] The motor 1 is used to provide power;

[0044] The transmission belt 2 is connected with the motor 1 and is used to transmit power;

[0045] The lead screw 13 is driven to rotate by the rotating shaft inside the transmission belt 2;

[0046] The movable seat 14 is matched with the lead screw 13 through threads to realize forward and backward movement, forming a lead screw sliding block mechanism;

[0047] The movable pressing claw 4 is fixed at the bottom of the movable seat 14 and is used to cooperate with the fixed pressing claw 5 for extrusion;

[0048] The fixed pressing claw 5 is fixed in position and is arranged opposite to the movable pressing claw 4;

[0049] The movable pressing claw 4 moves towards the fixed pressing claw 5 along with the movable seat 14 and extrudes the battery cell 10 together.

[0050] In some embodiments, further comprising a slide rail 15, the slide rail 15 is in sliding fit with the movable seat 14, ensuring the stability of the movable seat 14 during movement.

[0051] In some embodiments, further comprising a fixed seat 12, the fixed pressing grab 5 is fixed on the fixed seat 12 by screwing.

[0052] In some embodiments, further comprising a scale 11, used to indicate the distance between the movable pressing grab 4 and the fixed pressing grab 5, and set parameters by the controller 16 to adjust to the appropriate extrusion width.

[0053] In a specific embodiment, the controller 16 is used to control the operation of the motor 1 and set the extrusion parameters.

[0054] In some embodiments, further comprising a shell plate 7, the shell plate 7 covers the external structure of the device, used to protect the internal mechanical structure and provide operating space.

[0055] In a specific embodiment, the handle 6 is arranged on the shell plate 7, facilitating the movement and assembly of the device by the operator.

[0056] In some embodiments, the transmission belt 2 is externally provided with a transmission belt protection shell 3, the transmission belt protection shell 3 is used to protect the transmission belt 2 from external interference and damage.

[0057] In some embodiments, further comprising a battery shell 8, used to accommodate the battery core 10 and the end plate 9, wherein the battery core 10 is located between the two side end plates 9, and the gap between the battery core 10 is reduced by the extrusion action of the movable pressing grab 4 and the fixed pressing grab 5.

[0058] The transmission process of the utility model is as follows:

[0059] The motor 1 drives the transmission belt 2 to rotate, the transmission belt 2 is internally provided with a rotating shaft driving screw rod 13 to rotate, and the movable seat 14 is moved forward and backward by threadedly cooperating with the screw rod 13, the movable seat 14 and the screw rod 13 cooperate to form a screw rod sliding block mechanism; and the movable seat 14 is fixed with the movable pressing grab 4 at the bottom, when the movable seat 14 moves forward and backward on the screw rod 13, the distance between the movable pressing grab 4 and the fixed pressing grab 5 changes at the same time, when the distance gradually decreases, the CTB battery is extruded, so as to achieve the purpose of compaction.

[0060] During the transmission process, the movable seat 14 is closely matched with the slide rail 15, so as to ensure the stability during movement.

[0061] In actual work, the working method of the utility model is as follows:

[0062] The operator can supply power to the controller 16 and the motor 1 by connecting an external power source, fix the fixed pressing grab 5 on the fixed seat 12 by screwing, fix the movable pressing grab 4 on the movable seat 14, set the parameters on the scale on the reference scale 11 by the controller 16, adjust the distance between the fixed pressing grab 5 and the movable pressing grab 4 until the appropriate width to match the two side end plates 9 of the battery cell 10 in the battery shell 8;

[0063] The motor 1 drives the transmission belt 2 to rotate, the transmission belt 2 is internally provided with a rotating shaft driving screw rod 13 to rotate, the movable seat 14 is moved forward and backward by screwing the screw rod 13, the movable seat 14 is closely matched with the slide rail 15, at this time, the distance between the movable pressing grab 4 and the fixed pressing grab 5 is changed at the same time, and the distance is gradually reduced;

[0064] The motor 1 continues to drive and moves the movable seat 14 towards the fixed seat 12 to press the battery, so that the two side end plates 9 are compacted, the CTB battery is extruded, and the gap between the battery cells 10 is reduced;

[0065] When the extrusion distance meets the distance set by the controller 16, the motor 1 stops running, and the extrusion work stops, so that the two side end plates 9 or the internal battery cells 10 are prevented from being damaged.

[0066] The structure of the utility model is reasonable, the extrusion device can automatically complete extrusion according to the parameters set by the controller 16 according to the scale 11, the demand for manual operation is reduced, the risk of manual operation is reduced, and the safety of operation is improved; meanwhile, the movement of the movable seat 14 is realized by the rotation of the screw rod 13 driven by the motor 1, the battery cells 10 in the battery shell 8 are extruded by the end plate 9, the battery cells 10 can be compacted, the gap between the battery modules is reduced, the performance quality of the battery is improved, the volume of the module is reduced, and the performance and service life of the product are improved.

[0067] The technical features of the above-described embodiments can be combined arbitrarily, and in order to make the description simple, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, it should be considered that it is within the scope of the description.

[0068] The above-described embodiments only express the implementation mode of the utility model, the description is more specific and detailed, but it should not be understood as the limitation of the scope of the utility model patent. It should be pointed out that for ordinary skilled persons in the art, on the premise of not departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. An adjustable cell extrusion device based on the CTB process, characterized in that, Include: Motor (1) for providing power; Transmission belt (2) connected with motor (1) for transmitting power; Screw rod (13) driven by rotating shaft inside transmission belt (2); Movable seat (14) matched with screw rod (13) through thread to realize forward and backward movement, forming screw rod sliding block mechanism; Movable pressing claw (4) fixed at the bottom of movable seat (14) for cooperating with fixed pressing claw (5) to extrude; Fixed pressing claw (5) is fixed in position and arranged opposite to movable pressing claw (4); Movable pressing claw (4) moves towards fixed pressing claw (5) with movable seat (14) and extrudes battery cell (10) together.

2. The adjustable cell extrusion device based on CTB process of claim 1, wherein, It also includes slide rail (15) which is in sliding fit with movable seat (14) to ensure the stability of movable seat (14) during movement.

3. The adjustable cell extrusion apparatus based on CTB process of claim 1, wherein, It also includes fixed seat (12), and fixed pressing claw (5) is fixed on fixed seat (12) through screw.

4. The adjustable cell extrusion apparatus based on CTB process of claim 1, wherein, It also includes scale (11) for indicating the distance between movable pressing claw (4) and fixed pressing claw (5), and setting parameters through controller (16) to adjust the extrusion width.

5. The adjustable cell extrusion apparatus based on CTB process of claim 4, wherein, The controller (16) is used to control the operation of the motor (1) and set the extrusion parameters.

6. The adjustable cell extrusion apparatus based on CTB process of claim 1, wherein, It also includes shell sheet metal (7) covering the external structure of the device for protecting the internal mechanical structure and providing operation space.

7. The adjustable cell extrusion apparatus based on CTB process of claim 6, wherein, Handle (6) is arranged on the shell sheet metal (7) to facilitate the movement and assembly of the device by the operator.

8. The adjustable cell extrusion apparatus based on CTB process of claim 1, wherein, Transmission belt protection shell (3) is arranged outside the transmission belt (2) to protect the transmission belt (2) from external interference and damage.

9. The adjustable cell extrusion apparatus based on CTB process of claim 1, wherein, It also includes battery shell (8) for accommodating battery cell (10) and end plate (9), wherein battery cell (10) is located between two end plates (9) and the gap between battery cell (10) is reduced through the extrusion effect of movable pressing claw (4) and fixed pressing claw (5).

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