Battery cell module jig

Abstract

The utility model discloses a battery cell module jig which comprises a jig body, at least one first limiting groove is formed in the jig body, a first battery cell module is attached and clamped into the first limiting groove, at least one elastic limiting piece is installed at the first end of the groove bottom of the first limiting groove, and when the first battery cell module is clamped into the first limiting groove, the elastic limiting piece is clamped into the first limiting groove. The bottom surface of the first battery cell module is pressed against the elastic limiting piece, and the elastic limiting piece is downwards pressed to be flush with the groove bottom of the first limiting groove; the battery cell module jig is further used for bearing a second battery cell module different from the first battery cell module in size, when the second battery cell module is inserted into the first limiting groove, the first end of the second battery cell module is attached to the side wall of the elastic limiting piece, and the second end of the second battery cell module is attached to the groove wall of the second end of the groove bottom of the first limiting groove. The battery cell module jig is good in compatibility, and the production cost is reduced; and when the battery cell modules with different sizes need to be changed on a production line, jigs on a conveying line do not need to be dismounted, so that time and labor are saved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of lithium battery production equipment, and particularly relates to a battery cell module jig. BACKGROUND

[0002] In the production process of the battery cell module, the battery cell module is generally conveyed from one process to the next process through a conveying line. In order to ensure the accurate position of the battery cell module at each process, a jig is installed on the conveying line to carry and limit the position of the battery cell module.

[0003] However, the sizes and shapes of the battery cell modules are various, and the existing jig can only adapt to one type of battery cell module. When the production line needs to change the size of the battery cell module to be produced, the jigs on the conveying lines need to be removed and replaced with corresponding jigs. Different jigs also need to be stored separately, which occupies a large storage space. Therefore, the existing jig has the problems of complicated operation and high production cost. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the present application is to provide a battery cell module jig to solve the problems of complicated operation and high production cost of the existing battery cell module jig.

[0005] To achieve this purpose, the present application adopts the following technical solutions:

[0006] The present application provides a battery cell module jig, which comprises a jig body, wherein:

[0007] The jig body is provided with at least one first limiting groove, and the first limiting groove is used for fitting and clamping the first battery cell module. The first end of the groove bottom of the first limiting groove is provided with at least one elastic limiting piece. When the first battery cell module is clamped into the first limiting groove, the bottom surface of the first battery cell module is pressed against the elastic limiting piece and the elastic limiting piece is pressed down to be flush with the groove bottom of the first limiting groove.

[0008] The battery cell module jig is also used for carrying a second battery cell module different in size from the first battery cell module. When the second battery cell module is inserted into the first limiting groove, the first end of the second battery cell module is abutted against the side wall of the elastic limiting piece, and the second end of the second battery cell module is abutted against the groove wall of the second end of the groove bottom of the first limiting groove.

[0009] The battery cell module jig provided by the present application is provided with at least one elastic limiting piece on the groove bottom of the first limiting groove. The first limiting groove realizes the carrying and limiting of the first battery cell module. Through the cooperation of the elastic limiting piece and the first limiting groove, the carrying and limiting of the second battery cell module different in size from the first battery cell module are realized. The compatibility of the battery cell module jig is improved, and the production cost is reduced. When the production line needs to change the battery cell module of different sizes, the jig on the conveying line does not need to be removed, which saves time and effort.

[0010] Optionally, a plurality of accommodating cavities corresponding to each elastic limiting piece are arranged on the jig body, and the elastic limiting piece comprises an elastic piece and a telescopic column.

[0011] An opening communicating with the first limiting groove is formed at the top end of the accommodating cavity, the opening of the accommodating cavity is used for the telescopic column to pass through, and a limiting ring located in the accommodating cavity is arranged at the bottom end of the telescopic column, and the width of the limiting ring is greater than the width of the opening of the accommodating cavity.

[0012] The elastic piece is arranged in the accommodating cavity, the first end of the elastic piece abuts against the telescopic column, and the second end of the elastic piece abuts against the bottom of the accommodating cavity.

[0013] By arranging the accommodating cavities on the jig body and mounting the elastic piece and the telescopic column in the corresponding accommodating cavities, the telescopic column can be extended or retracted in the corresponding accommodating cavity under the action of the elastic piece, and the first end of the second battery cell module abuts against the side wall of the telescopic column in the extended state, so that the first end of the second battery cell module is limited, thereby providing an elastic limiting piece with simple structure and low cost.

[0014] Optionally, at least one second limiting groove is further arranged on the jig body, the second limiting groove is used for the third battery cell module to be clamped, and the sizes of the first battery cell module, the second battery cell module and the third battery cell module are all different.

[0015] By arranging the second limiting groove on the jig body, the bearing and limiting of the third battery cell module are realized, so that the jig body can be applicable to three battery cell modules with different sizes, and the compatibility of the jig body is further improved.

[0016] Optionally, the jig body is of a split structure, and the jig body comprises at least two bases arranged side by side, at least one first half groove is arranged on the outer side of each base, any first half groove on each base and the first half groove on the adjacent base form the first limiting groove, and the first end of the groove bottom of at least one first half groove in each first limiting groove is provided with the elastic limiting piece.

[0017] The jig body is designed as a split structure, the first half groove of the adjacent two bases is combined to form the first limiting groove, and a jig body with simple structure, convenient processing and low cost is provided.

[0018] Optionally, one first half groove is arranged on the first side and the second side of each base in the length direction, respectively, and the first half groove on the first side of each base and the first half groove on the second side of the adjacent base form the first limiting groove.

[0019] By arranging one first half groove on the first side and the second side of each base in the length direction, it is realized that the base located in the middle can be combined with the adjacent two bases to form the first limiting groove, the utilization rate of the base is improved, the use amount of the base is reduced, and the cost is further reduced.

[0020] Optionally, the first end of each first half slot is provided with an elastic limiting piece.

[0021] By providing an elastic limiting piece at the first end of each first half slot, when the second battery module is inserted into the first limiting slot, the two elastic limiting pieces abut against the first end of the second battery module, thereby achieving stable and reliable limiting of the first end of the second battery module.

[0022] Optionally, at least one second half slot is further provided on each base, and any second half slot on each base cooperates with a second half slot on an adjacent base to form a second limiting slot, the second limiting slot is used for abutting and clamping a third battery module, and the sizes of the first battery module, the second battery module and the third battery module are all different.

[0023] By providing at least one second half slot on each base, the combination of the second half slots of the two adjacent bases forms a second limiting slot, thereby providing a second limiting slot with a split structure.

[0024] Optionally, the first half slot is opened at the groove bottom of the second half slot.

[0025] By opening the first half slot at the groove bottom of the second half slot, the space of the base is reasonably utilized, thereby reducing the overall volume of the base and occupying less space.

[0026] Optionally, the first half slot is located outside the second half slot, and the second half slot is higher than the first half slot.

[0027] By setting the second half slot to be higher than the first half slot and the first half slot to be located outside the second half slot, another setting form of the second half slot is provided.

[0028] Optionally, the corners of the first limiting slot and the second limiting slot are provided with circular notches for clamping the corners of the battery module.

[0029] By providing the circular notches at the corners of the first limiting slot and the second limiting slot, the battery module is facilitated to be clamped into the corresponding limiting slot, and the battery module is also facilitated to be taken out of the corresponding limiting slot. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a schematic diagram of the base of the battery module jig provided in Embodiment One of the present application;

[0031] Figure 2 is a schematic diagram of the jig body of the battery module jig provided in Embodiment One of the present application being inserted into the second battery module;

[0032] Figure 3is a top view schematic diagram of a jig body of the battery cell module jig provided in Embodiment One of the present application inserted into a second battery cell module;

[0033] Figure 4 is Figure 3 is a sectional view along A-A direction in the above-mentioned battery cell module jig;

[0034] Figure 5 is a three-dimensional structure schematic diagram of a base of the battery cell module jig provided in Embodiment Two of the present application;

[0035] Figure 6 is a three-dimensional structure schematic diagram of a jig body of the battery cell module jig provided in Embodiment Two of the present application inserted into a second battery cell module;

[0036] Figure 7 is a top view schematic diagram of a jig body of the battery cell module jig provided in Embodiment Two of the present application inserted into a second battery cell module;

[0037] Figure 8 is Figure 7 is a sectional view along B-B direction in the above-mentioned battery cell module jig;

[0038] Figure 9 is a three-dimensional structure schematic diagram of a jig body of the battery cell module jig provided in Embodiment Two of the present application inserted into a third battery cell module.

[0039] Figures 1 to 9 comprises the following reference signs:

[0040] jig body 10, base 100, first limiting groove 11, first half groove 110, accommodating cavity 12, second limiting groove 13, second half groove 130;

[0041] elastic limiting piece 20: elastic piece 21, telescopic column 22, limiting ring 23, bottom plate 24;

[0042] second battery cell module 30, third battery cell module 31;

[0043] circular notch 40, T-shaped boss 41. DETAILED DESCRIPTION

[0044] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0045] In the production process of the battery cell module, the battery cell module is generally conveyed from one process to the next process through a conveying line. In order to ensure the accurate position of the battery cell module at each process, a jig is installed on the conveying line to carry and limit the position of the battery cell module.

[0046] But the size of the battery module is various, the existing fixture can only adapt to one battery module, when the production line needs to change the size of the battery module, the fixture on each conveying line needs to be removed and replaced with the corresponding fixture, and different fixtures need to be stored separately, occupying a large storage space. Therefore, the existing fixture has the problems of complicated operation and high production cost.

[0047] Therefore, the present application provides a battery module fixture for carrying a battery module and limiting the carried battery module. According to the placement state (horizontal placement or vertical placement) of the battery module, the battery module fixture can adopt two different implementation modes, which will be described in detail as follows:

[0048] Embodiment one

[0049] Please refer to Figures 1 to 3 The battery module fixture provided by the present application is used for vertically carrying a battery module and limiting the carried battery module, which includes a fixture body 10, at least one first limiting groove 11 is arranged on the fixture body 10, the first limiting groove 11 is used for fitting and clamping a first battery module, at least one elastic limiting piece 20 is installed at the first end of the groove bottom of the first limiting groove 11, when the first battery module is clamped into the first limiting groove 11, the bottom surface of the first battery module is pressed against the elastic limiting piece 20 and the elastic limiting piece 20 is pressed down to be flush with the groove bottom of the first limiting groove 11; the battery module fixture is also used for carrying a second battery module 30 which is different in size from the first battery module, when the second battery module 30 is inserted into the first limiting groove 11, the first end of the second battery module 30 abuts against the side wall of the elastic limiting piece 20, and the second end of the second battery module 30 abuts against the groove wall at the second end of the groove bottom of the first limiting groove 11.

[0050] The battery module fixture provided by the present application installs at least one elastic limiting piece 20 at the groove bottom of the first limiting groove 11, which realizes the carrying and limiting of the first battery module, and through the cooperation of the elastic limiting piece 20 and the first limiting groove 11, the carrying and limiting of the second battery module which is different in size from the first battery module are realized, which improves the compatibility of the battery module fixture and reduces the production cost; and when the production line needs to change the battery module of different sizes, the fixture on the conveying line does not need to be removed, which saves time and effort.

[0051] Please refer to Figures 2 to 4As shown, as an embodiment, the jig body 10 is provided with a plurality of accommodation cavities 12 corresponding to each elastic limiting piece 20, the elastic limiting piece 20 includes an elastic piece 21 and a telescopic column 22, the top end of the accommodation cavity 12 is provided with an opening communicating with the first limiting groove 11, the opening of the accommodation cavity 12 is provided for the telescopic column 22 to pass through, the bottom end of the telescopic column 22 is provided with a limiting ring 23 located in the accommodation cavity 12, the width of the limiting ring 23 is greater than the width of the opening of the accommodation cavity 12; the elastic piece 21 is arranged in the accommodation cavity 12, the first end of the elastic piece 21 abuts against the telescopic column 22, and the second end of the elastic piece 21 abuts against the bottom of the accommodation cavity 12.

[0052] Specifically, the accommodation cavity 12 is arranged through the jig body 10, and the bottom opening of the accommodation cavity 12 is detachably provided with a bottom plate 24, and the second end of the elastic piece 21 abuts against the bottom plate 24.

[0053] Specifically, the elastic piece 21 is a spiral spring.

[0054] It can be seen that by arranging the accommodation cavities 12 on the jig body 10 and installing the elastic piece 21 and the telescopic column 22 in the corresponding accommodation cavities 12, the telescopic column 22 can be extended or retracted in the corresponding accommodation cavity 12 under the action of the elastic piece 21, and the first end of the second battery cell module 30 abuts against the side wall of the telescopic column 22 in the extended state, so as to limit the first end of the second battery cell module 30 and provide an elastic limiting piece 20 with simple structure and low cost.

[0055] As an embodiment, the jig body 10 is further provided with at least one second limiting groove 13, the second limiting groove 13 is provided for the third battery cell module to be clamped, and the sizes of the first battery cell module, the second battery cell module 30 and the third battery cell module are all different.

[0056] It can be seen that by arranging the second limiting groove 13 on the jig body 10, the bearing and limiting of the third battery cell module are realized, so that the jig body 10 can be applicable to three battery cell modules with different sizes, and the compatibility of the jig body 10 is further improved.

[0057] It should be noted that at least one elastic limiting piece 20 can be selected to be installed at one end of the bottom of the second limiting groove 13, and the bearing and limiting of the fourth battery cell module are realized through the cooperation of the elastic limiting piece 20 and the second limiting groove 13, and the sizes of the fourth battery cell module, the first battery cell module, the second battery cell module 30 and the third battery cell module are all different.

[0058] Please refer to Figure 2 and Figure 3As shown, as an embodiment, the jig body 10 is a split structure, the jig body 10 includes at least two bases 100 arranged side by side, at least one first half groove 110 is formed on the outer side of each base 100, and any first half groove 110 on each base 100 cooperates with the first half groove 110 on the adjacent base 100 to form a first limiting groove 11. At least one first half groove 110 at the first end of the groove bottom in each first limiting groove 11 is provided with an elastic limiting piece 20.

[0059] It can be seen that the jig body 10 is designed as a split structure, and the first limiting groove 11 is formed by the combination of the first half grooves 110 of the two adjacent bases 100, which provides a jig body 10 with simple structure, easy processing and low cost.

[0060] As an embodiment, one first half groove 110 is formed on the first side and the second side of the length direction of each base 100, and the first half groove 110 on the first side of each base 100 cooperates with the first half groove 110 on the second side of the adjacent base 100 to form a first limiting groove 11.

[0061] It can be seen that by forming one first half groove 110 on the first side and the second side of the length direction of each base 100, the base 100 located in the middle can be combined with the two adjacent bases 100 to form a first limiting groove 11, which improves the utilization rate of the base 100, reduces the use amount of the base 100, and further reduces the cost. In addition, by adjusting the distance between the adjacent bases 100, more sizes of battery cell modules can be adapted, further improving the adaptability of the jig of the present application.

[0062] As an embodiment, at least one second half groove 130 is further provided on each base 100, and any second half groove 130 on each base 100 cooperates with the second half groove 130 on the adjacent base 100 to form a second limiting groove 13. The second limiting groove 13 is used for the third battery cell module to be fitted and clamped, and the size specifications of the first battery cell module, the second battery cell module 30 and the third battery cell module are all different.

[0063] Specifically, one second half groove 130 is formed on the first side and the second side of the length direction of each base 100, and the second half groove 130 on the first side of each base 100 cooperates with the second half groove 130 on the second side of the adjacent base 100 to form a second limiting groove 13.

[0064] It can be seen that by providing at least one second half groove 130 on each base 100, the combination of the second half grooves 130 of the two adjacent bases 100 forms a second limiting groove 13, which provides a second limiting groove 13 with a split structure.

[0065] As an embodiment, the first half groove 110 is formed at the groove bottom of the second half groove 130.

[0066] It can be seen that by opening the first half slot 110 at the bottom of the second half slot 130, the space of the base 100 is reasonably utilized, the overall volume of the base 100 can be reduced, and the occupied space is small.

[0067] As an implementation form, the corners of the first limiting slot 11 and the second limiting slot 13 are each provided with a circular notch 40 for the corner of the battery cell module to be clamped.

[0068] It can be seen that by providing the circular notch 40 at the corner of the first limiting slot 11 and the second limiting slot 13, the battery cell module is clamped into the corresponding limiting slot, and the battery cell module is also convenient to take out from the corresponding limiting slot. In addition, the corner of the battery cell module is also avoided from being hard contacted with the jig, and the corner of the battery cell module is also avoided from being scratched in the conveying process.

[0069] The battery cell module jig provided by the embodiment one of the present application has the following advantages:

[0070] 1) The battery cell module can be at least carried and limited in three different sizes, which has good compatibility and low cost. When the production line needs to change different sizes of battery cell modules, the jig on the conveying line does not need to be removed, which saves time and effort.

[0071] 2) The jig body 10 adopts a split structure design, and the adjacent two bases 100 cooperate to carry and limit the battery cell module, which has a simple structure, is convenient to process, and has low cost.

[0072] 3) The first side and the second side of each base 100 in the length direction are each provided with a first half slot 110 and a second half slot 130, so that the base 100 located in the middle can be combined with the adjacent two bases 100 to form a first limiting slot 11 and a second limiting slot 13, which improves the utilization rate of the base 100, reduces the use amount of the base 100, and further reduces the cost.

[0073] 4) The first half slot 110 is opened at the bottom of the second half slot 130, the space of the base 100 is reasonably utilized, the overall volume of the base 100 can be reduced, and the occupied space is small.

[0074] Embodiment two

[0075] Please refer to Figures 5 to 9 The battery cell module jig provided by the embodiment two of the present application is used for horizontally carrying the battery cell module and limiting the carried battery cell module. The main difference between the embodiment two and the embodiment one of the present application is that:

[0076] Firstly, the first half-groove 110 is located outside the second half-groove 130, and the second half-groove 130 is higher than the first half-groove 110, thereby providing another setting form of the second half-groove 130. Specifically, the end surface of the base 100 is provided with two T-shaped bosses 41 along the length direction of the base 100, and one second half-groove 130 is formed on the first side and the second side of the base 100 in the length direction of the base 100 through the two T-shaped bosses 41, thereby simplifying the structure and facilitating the processing.

[0077] Secondly, two first half-grooves 110 are respectively formed on the first side and the second side of each base 100 in the length direction of the base 100, so as to simultaneously load and limit two first battery modules or two second battery modules 30.

[0078] Thirdly, two elastic limit members 20 are respectively arranged on the first end of the groove bottom of at least one first half-groove 110 in each first limiting groove 11, and the first end of the second battery module 30 is attached to the side wall of the two elastic limit members 20, so as to improve the reliability and stability of the limitation of the first end of the second battery module 30.

[0079] Fourthly, the battery module is placed in the first limiting groove 11 or the second limiting groove 13 in a lying state, while the battery module of the first embodiment is inserted into the first limiting groove 11 or the second limiting groove 13 in a vertical state, so that the depth of the first limiting groove 11 and the second limiting groove 13 in the second embodiment is smaller than that of the first limiting groove 11 and the second limiting groove 13 in the first embodiment.

[0080] The other structures of the second embodiment of the present application are the same as those of the first embodiment, and will not be described here.

[0081] The above embodiments only illustrate the basic principles and characteristics of the present application, and the present application is not limited by the above examples. Various changes and modifications of the present application can be made without departing from the spirit and scope of the present application, and these changes and modifications all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An electric cell module jig, characterized by comprising: The battery cell module jig comprises a jig body, wherein: At least one first limiting groove is arranged on the jig body, and the first limiting groove is used for abutting and clamping a first battery cell module. A first end of a groove bottom of the first limiting groove is provided with at least one elastic limiting piece. When the first battery cell module is clamped into the first limiting groove, a bottom surface of the first battery cell module is pressed against the elastic limiting piece and presses the elastic limiting piece down to be flush with the groove bottom of the first limiting groove. The battery cell module jig is also used for carrying a second battery cell module which is different in size from the first battery cell module. When the second battery cell module is inserted into the first limiting groove, a first end of the second battery cell module abuts against a side wall of the elastic limiting piece, and a second end of the second battery cell module abuts against a groove wall of a second end of the groove bottom of the first limiting groove.

2. The battery cell module fixture of claim 1, wherein, A plurality of accommodating cavities corresponding to each elastic limiting piece are arranged on the jig body. The elastic limiting piece comprises an elastic piece and a telescopic column. An opening of the accommodating cavity is provided with an opening communicating with the first limiting groove. The opening of the accommodating cavity is used for abutting and clamping the telescopic column. A bottom end of the telescopic column is provided with a limiting ring located in the accommodating cavity. The width of the limiting ring is greater than the width of the opening of the accommodating cavity. The elastic piece is arranged in the accommodating cavity. A first end of the elastic piece abuts against the telescopic column, and a second end of the elastic piece abuts against the bottom of the accommodating cavity.

3. The battery cell module fixture of claim 1, wherein, At least one second limiting groove is arranged on the jig body. The second limiting groove is used for abutting and clamping a third battery cell module. The sizes of the first battery cell module, the second battery cell module and the third battery cell module are all different.

4. The battery cell module fixture of any one of claims 1-3, wherein, The jig body is of a split structure. The jig body comprises at least two bases arranged side by side. At least one first half groove is arranged on the outer side of each base. Any first half groove on each base cooperates with a first half groove on the adjacent base to form the first limiting groove. The first end of the groove bottom of at least one first half groove in each first limiting groove is provided with the elastic limiting piece.

5. The battery cell module fixture of claim 4, wherein, A first half groove is arranged on the first side and the second side of each base in the length direction. The first half groove on the first side of each base cooperates with the first half groove on the second side of the adjacent base to form the first limiting groove.

6. The battery cell module fixture of claim 5, wherein, The first end of each first half groove is provided with the elastic limiting piece.

7. The cell module fixture of claim 4, wherein, At least one second half groove is arranged on each base. Any second half groove on each base cooperates with a second half groove on the adjacent base to form the second limiting groove. The second limiting groove is used for abutting and clamping the third battery cell module. The sizes of the first battery cell module, the second battery cell module and the third battery cell module are all different.

8. The battery cell module fixture of claim 7, wherein, The first half groove is arranged on the groove bottom of the second half groove.

9. The cell module fixture of claim 7, wherein, The first half groove is located outside the second half groove, and the second half groove is higher than the first half groove.

10. The battery cell module fixture of claim 3, wherein, The corners of the first limiting groove and the second limiting groove are all provided with circular notches for abutting and clamping the corners of the battery cell module.

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