Polarity module forming device for battery pack

Abstract

The utility model discloses a battery pack polarity module forming device, which is characterized in that a plurality of positioning components are arranged on a lower template on a forming device body and are used for forming and fixing a metal plate on the lower template; the positioning assembly comprises a driving mechanism and two positioning mechanisms, the two positioning mechanisms are arranged side by side in a spaced mode, and the bottoms of worm gears fixedly installed on lead screws on the two positioning mechanisms are connected with a worm on the driving mechanism in a meshed mode. And the driving mechanism drives the two positioning mechanisms to position the metal plate on the lower die plate. The positioning assembly is arranged on the lower die plate on the forming device, so that a plurality of positioning mechanisms arranged on the positioning assembly are driven by the driving mechanism to position and fix a metal plate for battery pack polarity module production on the lower die plate, and the metal plate is prevented from moving or being incorrectly placed in the press-fit forming process; the efficiency and the forming quality of the battery pack polarity module forming device on metal plate press-fit forming are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy batteries, and in particular to a battery pack polarity module forming device. Background Art

[0002] With the rapid development of the new energy industry, lithium batteries have been widely used in energy storage, automobiles, drones and other fields. In the process of using lithium batteries, most of them are used in a battery pack composed of multiple batteries. Electrodes are divided into positive and negative. Generally, the positive electrode is the cathode, which gains electrons and undergoes a reduction reaction, while the negative electrode is the anode, which loses electrons and undergoes an oxidation reaction. Electrodes can be metals or non-metals. As long as they can exchange electrons with the electrolyte solution, they become electrodes. The polarity module is a component on the battery pack used to input or output current. It is the location where the redox reaction occurs with the electrolyte solution inside the battery pack.

[0003] During the production process of the existing battery pack polarity module, the metal plates are pressed and formed, but the metal plates cannot be positioned during the forming process, so that the electrode metal plates slide and move during the pressing and forming process, affecting the forming efficiency of the battery pack polarity module. Utility Model Content

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide a battery pack polarity module molding device for solving the technical problem that the existing battery pack polarity module is formed by pressing metal plates during the production process, and the metal plates cannot be positioned during the molding process, so that the electrode metal plates slide and move during the pressing and molding process, thereby affecting the molding efficiency of the battery pack polarity module.

[0005] According to the technical solution provided in the embodiment of the present application, a battery pack polarity module forming device includes a plurality of positioning components, which are installed on the lower template on the forming device body and are used for forming and fixing the metal plate on the lower template;

[0006] The positioning assembly comprises a driving mechanism and two positioning mechanisms, the two positioning mechanisms are arranged in parallel and at intervals, and the bottom of the worm wheel fixedly mounted on the screw rods on the two positioning mechanisms is meshedly connected with the worm on the driving mechanism, so that the driving mechanism drives the two positioning mechanisms to position the metal plate on the lower template;

[0007] The positioning mechanism comprises a screw, a worm wheel and two positioning blocks, wherein the worm wheel is fixedly mounted at the middle position of the screw, and the two positioning blocks are screwed onto the screw, so that the driving mechanism drives the two positioning blocks screwed onto the screw to move relatively along the length direction of the screw, so that the positioning blocks can position and fix the metal plate;

[0008] The positioning block includes a ball nut, a base, a positioning rod and an elastic member. The ball nut is threaded onto the screw rod, and the base is vertically fixedly installed on the top of the ball nut. A movable groove is provided on the base, and the positioning rod is slidably installed in the movable groove. The bottom of the positioning rod abuts against the elastic member so that the positioning rod can move downward in the vertical direction during the pressing and forming process.

[0009] Furthermore, the driving mechanism includes a rotating driving member and a worm, the worm is provided with two connecting wheels, and each connecting wheel is meshingly connected with each worm wheel, and the worm is fixedly connected to the output end of the rotating driving member, so that the rotating driving member drives the two connecting wheels fixedly mounted on the worm to rotate synchronously.

[0010] Furthermore, the screw rod is provided with threads with opposite rotation directions.

[0011] Furthermore, a plurality of slide grooves are provided on the lower template, and corresponding positioning blocks are installed in each of the slide grooves.

[0012] Furthermore, the inner side of the positioning block is a planar structure.

[0013] Furthermore, the worm and the lead screw are arranged in a cross shape.

[0014] Furthermore, the elastic member is a spring made of metal material.

[0015] In summary, the beneficial effects of this application are:

[0016] 1. By arranging a positioning assembly on the lower template on the forming device, a plurality of positioning mechanisms arranged on the positioning assembly are driven by a driving mechanism to position and fix the metal plate for producing the battery pack polarity module placed on the lower template, thereby preventing the metal plate from moving or being incorrectly placed during the pressing and forming process, thereby improving the efficiency and forming quality of the battery pack polarity module forming device for pressing and forming the metal plate;

[0017] Second, by setting several positioning blocks on the positioning assembly into a retractable structure, the upper template on the molding device can be moved down along the movable groove on the base and retracted into the movable groove during the downward pressing and molding process, without affecting the positioning block on the battery pack polarity module molding device on the metal plate pressing and molding, thereby improving the efficiency and molding quality of the battery pack polarity module molding device on the metal plate pressing and molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the lower positioning module of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the positioning component of the utility model;

[0022] Figure 4 This is a schematic diagram of the cross-sectional structure of the positioning block of the utility model.

[0023] Numbers in the figure: positioning assembly -100, driving mechanism -110, rotating driving member -111, worm -112, connecting wheel -113, positioning mechanism -120, screw -121, worm wheel -122, positioning block -123, ball nut -1231, base -1232, positioning rod -1233, elastic member -1234, molding device body -200, lower template -210, slide groove -211. DETAILED DESCRIPTION

[0024] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.

[0025] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0026] A battery pack polarity module forming device, the structure of which is as follows Figure 1-Figure 4As shown, it includes several positioning components 100, which are installed on the lower template 210 on the molding device body 200, and are used for positioning and fixing the metal plate during the pressing process on the lower template 210; the positioning component 100 includes a driving mechanism 110 and two positioning mechanisms 120, the two positioning mechanisms 120 are arranged in parallel and at intervals, and the screw rods 121 on the two positioning mechanisms 120 are fixedly installed with worm gears 122, and the bottom of the worm gear 122 is meshed and connected with the worm 112 on the driving mechanism 110, so that the driving mechanism 110 drives the positioning blocks 123 on the two positioning mechanisms 120 to move, thereby positioning and fixing the metal plate on the lower template 210, preventing the metal plate from moving or sliding, and affecting the forming efficiency and forming quality of the polar template metal plate; the positioning mechanism 120 includes a screw rod 121, a worm gear 122 and two positioning blocks 123, the worm gear 122 is fixedly installed in the middle position of the screw rod 121, and the two positioning blocks 123 are fixedly installed in the middle position of the screw rod 121, and the two positioning blocks 123 are fixedly installed in the middle position of the screw rod 121. The block 123 is screwed on the screw rod 121, so that when the driving mechanism 110 drives the worm gear 122 to rotate, the screw rod 121 fixedly installed with the worm gear 122 is driven to rotate, so that the two positioning blocks 123 screwed on the screw rod 121 move relatively along the length direction of the screw rod 121, so that the two positioning blocks 123 position and fix the metal plate; the positioning block 123 includes a ball nut 1231, a base 1232, a positioning rod 1233 and an elastic member 1234, the ball nut 1231 is screwed on the screw rod 121, and the base 1232 is vertically fixed on the top of the ball nut 1231, and a moving groove is provided on the base 1232, and the positioning rod 1233 is slidably installed in the moving groove, and the bottom of the positioning rod 1233 abuts against the elastic member 1234, so that the positioning rod 1233 can move downward in the vertical direction and shrink in the moving groove during the pressing and forming process, without affecting the pressing and forming efficiency of the metal plate on the forming device.

[0027] During the process of the molding device pressing and molding the metal plate on the battery pack polarity module, since the metal plate is directly placed on the lower template 210 on the molding device and is not fixed, when the telescopic driving member on the molding device drives the upper template to move downward for pressing, the metal plate moves or slides, which affects the pressing and molding efficiency of the metal plate on the battery pack polarity module. By arranging a plurality of positioning assemblies 100 on the lower template 210, so that the plurality of positioning mechanisms 120 on each positioning assemblies 100 move under the drive of the driving mechanism 110, so that each positioning block 123 can move along the corresponding slide groove 211 on the lower template 210 to position and fix the metal plate, and each positioning block 123 is set to a retractable structure, so that during the process of the upper template on the molding device moving downward for pressing and molding, the positioning rod 1233 on the positioning block 123 can move along the moving groove on the base 1232, which does not affect the positioning and fixing of the metal plate by the positioning block 123 on the battery pack polarity module molding device, thereby improving the efficiency and molding quality of the battery pack polarity module molding device for pressing and molding the metal plate.

[0028] As a preferred embodiment, please refer to Figure 3 The driving mechanism 110 includes a rotating driving member 111 and a worm 112. Two connecting wheels 113 are provided on the worm 112, and each connecting wheel 113 is meshingly connected with each worm wheel 122. The worm 112 is fixedly connected to the output end of the rotating driving member 111, so that the rotating driving member 111 drives the two connecting wheels 113 fixedly mounted on the worm 112 to rotate, thereby driving the two meshingly connected turbines to rotate synchronously.

[0029] As a preferred embodiment, please refer to Figure 2 and Figure 3 The screw rod 121 is provided with threads with opposite rotation directions, so that the two positioning blocks 123 screwed on the two ends of the screw rod 121 through the ball nuts 1231 can move relatively linearly along the length direction of the screw rod 121 when the driving mechanism 110 drives the screw rod 121 to rotate, thereby positioning and fixing the metal plate on the lower template 210.

[0030] As a preferred embodiment, please refer to Figure 1 and Figure 2 A plurality of slide grooves 211 are provided on the lower template 210, and corresponding positioning blocks 123 are installed in each slide groove 211, so that the plurality of positioning blocks 123 on the positioning assembly 100 can position and fix the metal plate on the lower template 210 in different directions.

[0031] As a preferred embodiment, please refer to Figure 3 and Figure 4 The inner side of the positioning block 123 is a planar structure, which makes it easy for the positioning block 123 to fix the metal plate on the lower template 210.

[0032] As a preferred embodiment, please refer to Figure 3 The worm 112 and the lead screw 121 are arranged in a cross shape, so that the driving mechanism 110 can drive the lead screw 121 to rotate.

[0033] As a preferred embodiment, please refer to Figure 4 The elastic member 1234 is a metal spring. The elastic member 1234 elastically supports the positioning rod 1233 to facilitate the recovery of the positioning rod 1233 after the pressing and forming is completed, thereby improving the positioning efficiency of the positioning assembly 100.

[0034] The working principle of the battery pack polarity module forming device of the utility model is:

[0035] During the process of the forming device pressing and molding the metal plate on the battery pack polarity module, since the metal plate is directly placed on the lower template 210 on the forming device and is not fixed, when the telescopic driving member on the forming device drives the upper template to move downward for pressing, the metal plate moves or slides, affecting the pressing and molding efficiency of the metal plate on the battery pack polarity module, by arranging a plurality of positioning assemblies 100 on the lower template 210, so that when the driving mechanism 110 is started, the plurality of positioning mechanisms 120 on each positioning assembly 100 drives the fixedly connected worm 112 to rotate, so that the two connecting wheels 113 fixedly installed on the worm 112 rotate synchronously, so that the respective worm wheels 122 meshing with the respective connecting wheels 113 rotate synchronously, thereby making the corresponding worm wheels 122 fixedly installed on the worm 112 rotate synchronously. The screw rod 121 of 22 rotates so that the corresponding positioning block 123 screwed on the screw rod 121 can move along the corresponding slide groove 211 on the lower template 210, so as to position and fix the metal plate, prevent the metal plate from moving or being placed in an incorrect position during the pressing and molding process, thereby improving the efficiency and molding quality of the battery pack polarity module molding device for pressing and molding the metal plate. At the same time, each positioning block 123 is set to a retractable structure, so that when the upper template on the molding device moves downward for pressing and molding, the positioning rod 1233 on the positioning block 123 can move downward along the movable groove on the base 1232 and shrink into the movable groove, without affecting the positioning block 123 on the battery pack polarity module molding device for pressing and molding the metal plate, thereby improving the efficiency and molding quality of the battery pack polarity module molding device for pressing and molding the metal plate.

[0036] The beneficial effects of the battery pack polarity module forming device of the utility model are:

[0037] 1. By arranging a positioning assembly 100 on the lower template 210 on the molding device, a plurality of positioning mechanisms 120 arranged on the positioning assembly 100, under the drive of the driving mechanism 110, position and fix the metal plate for producing the battery pack polarity module placed on the lower template 210, so as to prevent the metal plate from moving or being incorrectly placed during the pressing and molding process, thereby improving the efficiency and molding quality of the battery pack polarity module molding device for pressing and molding the metal plate;

[0038] Second, by setting the plurality of positioning blocks 123 on the positioning assembly 100 into a retractable structure, the upper template on the molding device can be moved downward during the pressing and molding process so that the positioning rod 1233 on the positioning block 123 can move along the movable groove on the base 1232, without affecting the positioning and fixing of the battery pack polarity module molding device on the metal plate by the positioning block 123, thereby improving the efficiency and molding quality of the battery pack polarity module molding device on the metal plate pressing and molding.

[0039] The above description is only an explanation of the preferred embodiments of the present application and the technical principles and other schemes used. At the same time, the scope of the utility model involved in the present application is not limited to the technical scheme formed by a specific combination of the above technical features, but also includes other technical schemes formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) to form a technical scheme.

Claims

1. A battery pack polarity module forming device, characterized by: It comprises a plurality of positioning components (100) which are mounted on a lower template (210) on a molding device body (200) and are used for molding and fixing the metal plate on the lower template (210); The positioning assembly (100) comprises a driving mechanism (110) and two positioning mechanisms (120), wherein the two positioning mechanisms (120) are arranged in parallel and at intervals, and the bottom of the worm wheel (122) fixedly mounted on the screw rods (121) on the two positioning mechanisms (120) is meshedly connected with the worm (112) on the driving mechanism (110), so that the driving mechanism (110) drives the two positioning mechanisms (120) to position the metal plate on the lower template (210); The positioning mechanism (120) comprises a screw rod (121), a worm wheel (122) and two positioning blocks (123); the worm wheel (122) is fixedly mounted at a middle position of the screw rod (121), and the two positioning blocks (123) are screwed onto the screw rod (121), so that the driving mechanism (110) drives the two positioning blocks (123) screwed onto the screw rod (121) to move relatively along the length direction of the screw rod (121), so that the positioning blocks (123) can position and fix the metal plate; The positioning block (123) comprises a ball nut (1231), a base (1232), a positioning rod (1233) and an elastic member (1234); the ball nut (1231) is screwed onto the screw rod (121), and the base (1232) is vertically fixedly installed on the top of the ball nut (1231); a movable groove is provided on the base (1232), and the positioning rod (1233) is slidably installed in the movable groove; the bottom of the positioning rod (1233) is in contact with the elastic member (1234), so that the positioning rod (1233) can move downward in the vertical direction during the pressing and forming process.

2. The battery pack polarity module forming device according to claim 1, characterized in that: The driving mechanism (110) comprises a rotating driving member (111) and a worm (112); the worm (112) is provided with two connecting wheels (113), and each connecting wheel (113) is meshingly connected with each worm wheel (122); the worm (112) is fixedly connected to an output end of the rotating driving member (111), so that the rotating driving member (111) drives the two connecting wheels (113) fixedly mounted on the worm (112) to rotate synchronously.

3. The battery pack polarity module forming device according to claim 1, characterized in that: The screw rod (121) is provided with threads with opposite rotation directions.

4. The battery pack polarity module forming device according to claim 1, characterized in that: A plurality of slide grooves (211) are provided on the lower template (210), and corresponding positioning blocks (123) are installed in each of the slide grooves (211).

5. The battery pack polarity module forming device according to claim 1, characterized in that: The inner side of the positioning block (123) is a planar structure.

6. The battery pack polarity module forming device according to claim 2, characterized in that: The worm (112) and the lead screw (121) are arranged in a cross shape.

7. The battery pack polarity module forming device according to claim 1, characterized in that: The elastic member (1234) is a spring made of metal material.

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