Battery cell shell double-end shaping and flaring device

Abstract

The utility model provides a double-end shaping and flaring device for a battery cell shell, which relates to the technical field of battery cell shell production and comprises a bidirectional driving mechanism and a battery cell shell containing mechanism, the bidirectional driving mechanism comprises a first shaping and flaring assembly, a second shaping and flaring assembly and a bidirectional driving assembly; the first shaping and flaring assembly and the second shaping and flaring assembly are connected to the left side and the right side of the bidirectional driving assembly in a horizontal moving mode in the left-right direction correspondingly, and the bidirectional driving assembly is used for driving the first shaping and flaring assembly and the second shaping and flaring assembly to move in the opposite direction or the opposite direction. And the battery cell shell containing mechanism is used for horizontally placing the battery cell shell. The device disclosed by the utility model has the advantages that the two ends of the battery cell shell can be perfectly assembled with the battery end cover, the situation that the battery cell shell cannot be assembled or the assembling integrating degree is not enough is prevented, and the battery quality is further ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of battery core shell production, in particular to a double-end shaping and expanding device for a battery core shell. Background Art

[0002] like Figure 6 The figure shows a conventionally produced battery cell casing 3. The casing 3 is formed by bending an aluminum sheet in half upward to form a hollow rectangular parallelepiped. After bending, the two sides of the aluminum sheet are welded together. The current production process requires rotary cutting of the left and right openings of the hollow rectangular parallelepiped battery cell casing 3 to achieve the desired length. Later in the production process, the two openings of the battery cell casing 3 are assembled with cell end caps and sealed by welding.

[0003] During the assembly process of the end cover and the battery cell shell 3, it is often found that the battery cell shell 3 after rotary cutting is easily deformed due to the force at the incision and burrs are also present, resulting in the end opening of the battery cell shell 3 being unable to match the battery cell end cover. It is often the case that the assembly cannot be performed or the assembly fit is not good enough, resulting in a gap after the battery cell shell 3 and the battery cell end cover are welded. There is a risk of battery fluid flowing out of the gap, posing a safety hazard. Ultimately, subsequent manual re-inspection is required to re-weld and seal the end opening of the battery cell shell, which is time-consuming and labor-intensive, not only affecting the assembly quality but also greatly reducing the assembly efficiency. Utility Model Content

[0004] The technical problem to be solved by the present invention is that the existing battery cell shell is deformed after rotary cutting and burrs are present at the incision, which often makes it impossible to assemble well with the battery cell end cover, resulting in poor welding sealing and the risk of leakage. Manual subsequent processing is required, which is time-consuming and labor-intensive. In order to overcome the above defects of the existing technology, the present invention provides a method for shaping and expanding both ends of the battery cell shell after rotary cutting to ensure the assembly fit of the end cover, thereby ensuring the sealing effect of subsequent welding, ensuring product quality, and at the same time saving manual labor intensity, saving time and effort, and improving assembly efficiency.

[0005] For the purpose of this utility model, the following technical solutions are adopted:

[0006] A double-head shaping and expanding device for a battery cell shell, comprising a bidirectional driving mechanism and a battery cell shell holding mechanism; the bidirectional driving mechanism comprises a first shaping and expanding component, a second shaping and expanding component and a bidirectional driving component; the battery cell shell holding mechanism is used to place the battery cell shell horizontally in the left and right directions; the first shaping and expanding component and the second shaping and expanding component are respectively located on the left and right sides of the battery cell shell holding mechanism, and the first shaping and expanding component and the second shaping and expanding component are respectively directed towards the openings at the left and right ends of the battery cell shell; the first shaping and expanding component and the second shaping and expanding component are connected to the bidirectional driving component in a horizontal manner in the left and right directions, and the bidirectional driving component is used to drive the first shaping and expanding component and the second shaping and expanding component to move in relative or opposite directions; the first shaping and expanding component and the second shaping and expanding component both comprise a positioning clamping portion and a shaping and expanding portion; the positioning clamping portion is used to position the end of the battery cell shell; the shaping and expanding portion is used to be inserted into the end of the battery cell shell after positioning, and to shape the opening at the end of the battery cell shell. The device facilitates the placement and positioning of the battery cell shell through the battery cell shell placement mechanism, and can drive the positioning clamping parts on the first shaping and expanding component and the second shaping and expanding component to clamp and position the openings at both ends of the battery cell shell through the two-way driving component, and expand the openings at both ends of the battery cell shell through the shaping and expanding parts on the first shaping and expanding component and the second shaping and expanding component, thereby ensuring that the two ends of the battery cell shell can be assembled with the battery end cover intact, preventing the battery cell shell from being unable to be assembled or the assembly fit is insufficient, and further ensuring the quality of the battery.

[0007] Preferably, the positioning clamping portion includes a clamping support seat, a clamping positioning drive member, a clamping positioning drive plate, a first clamping block and a second clamping block; the clamping support seat is arranged on the shaping support frame; the clamping positioning drive member is arranged on the shaping support frame in the left and right horizontal directions; the clamping positioning drive plate is fixedly connected to the drive portion of the clamping positioning drive member, the first clamping block and the second clamping block are arranged on the clamping positioning drive plate with upper and lower intervals, and the first clamping block and the second clamping block are both distributed in the left and right directions, and the first clamping block and the second clamping block are respectively used to clamp on the upper side and the lower side of the battery cell shell. The clamping positioning drive member can drive the first clamping block and the second clamping block to move horizontally in the left and right directions, so that the first clamping block and the second clamping block are pressed against the upper side and the lower side of one end of the battery cell shell, ensuring that the battery cell shell is prevented from displacement during the shaping and flaring, thereby ensuring the quality of the flaring shaping.

[0008] Preferably, the clamping support seat includes a clamping support horizontal plate and a clamping support vertical plate; the clamping positioning drive member is a clamping positioning cylinder, which is arranged in the left-right horizontal direction on the top surface of the clamping support horizontal plate; the clamping support vertical plate is provided with two first positioning through-holes adapted to the first clamping block and the second clamping block; and the first clamping block and the second clamping block are penetrated in the left-right direction on the first positioning through-holes. The clamping support horizontal plate facilitates the horizontal placement of the clamping positioning cylinder, and the clamping support vertical plate facilitates the positioning of the first clamping block and the second clamping block during horizontal movement, preventing displacement during movement and ensuring that the clamping is in place and the stability of the clamping.

[0009] Preferably, the shaping and expanding portion includes a shaping and expanding block disposed on a side of the clamping support riser away from the clamping and positioning drive member, and located between the first clamping block and the second clamping block. The shaping and expanding block is matched with the opening of the cell housing and gradually inserted to expand the opening of the cell housing to a specified shape, thereby ensuring the shaping and expanding effect and quality.

[0010] Preferably, a first sliding groove that slides with the bottom surface of the first clamping block is provided in the middle of the top surface of the shaping and expanding block; a second sliding groove that slides with the top surface of the second clamping block is provided in the middle of the bottom surface of the shaping and expanding block; and an arc guide surface is provided on the outer peripheral wall of the shaping and expanding block on the side close to the opening of the battery cell shell. The first sliding groove and the second sliding groove can be used to position and limit the shaping and expanding block, preventing the shaping and expanding block from being offset during the shaping and expanding process, thereby allowing the shaping and expanding block to be accurately inserted into the opening of the battery cell shell; the arc guide surface can be used to smoothly insert the shaping and expanding block into the opening of the battery cell shell, and can smooth out the burrs on the opening of the battery cell shell, thereby achieving a deburring effect.

[0011] Preferably, the shaping and expanding portion further comprises a shaping pad; the shaping pad is vertically disposed on a side of the clamping support vertical plate away from the clamping positioning drive member; the shaping pad is provided with a second positioning through-hole aligned with the two first positioning through-holes; and the shaping and expanding block is fixedly mounted on the shaping pad. The shaping pad facilitates better positioning of the shaping and expanding block, reduces the material required for the shaping and expanding block production, and reduces costs.

[0012] Preferably, the bidirectional drive assembly includes a drive base, a drive motor, a drive shaft, a first horizontal slide, and a second horizontal slide; the drive base is horizontally arranged in the left-right direction, the drive motor is arranged at one end of the drive base, the drive shaft is arranged in the left-right direction and is rotatably connected to the drive base, and the output shaft of the drive motor is connected to the drive shaft; the first horizontal slide is threadedly connected to the drive shaft, and the second horizontal slide is threadedly connected to the drive shaft, and the threads of the first horizontal slide and the second horizontal slide are opposite; the first horizontal slide and the second horizontal slide are both slidably connected to the drive base via horizontal slide rails; the shaping support frame of the first shaping and flaring assembly is fixedly arranged on the first horizontal slide; the shaping support frame of the second shaping and flaring assembly is fixedly arranged on the second horizontal slide. By driving the driving shaft to rotate forward and reversely with the drive motor and by engaging the opposite threads on both sides, the first horizontal slide and the second horizontal slide can achieve synchronous movement in relative or opposite directions to achieve clamping or loosening actions.

[0013] Preferably, the cell housing holding mechanism includes a holding gantry, a first holding support plate, and a second holding support plate. The holding gantry is disposed in a front-to-back direction above the bidirectional drive assembly and between the first shaping and flaring assembly and the second shaping and flaring assembly. The first and second holding support plates are vertically disposed on the left and right sides of the holding gantry, respectively. The top surfaces of the first and second holding support plates are each provided with a holding groove that mates with the bottom of the cell housing. The holding gantry supports the cell housing above the bidirectional drive assembly, saving space. Furthermore, the positioning between the first and second shaping and flaring assemblies facilitates shaping processing at both ends.

[0014] Preferably, the bottom surface of the top plate of the holding gantry is further provided with a holding clamping drive member distributed in the front-to-back direction; a holding clamping plate is vertically provided on the driving portion of the holding clamping drive member, and the holding clamping plates are distributed in the left-to-right direction; a movable through hole for the movement of the holding clamping plate is provided through the top plate of the holding gantry, and the upper part of the holding clamping plate vertically passes through the movable through hole and is located between the first holding support plate and the second holding support plate; the holding clamping plate is driven by the holding clamping drive member to move in the front-to-back direction to press the battery cell shell against one side wall of the holding groove. The holding clamping plate is driven by the holding clamping drive member to move horizontally in the front-to-back direction so that it can press against the rear side of the battery cell shell and press the front side of the battery cell shell against the front side wall of the holding groove, so that it can adapt to different models of battery cell shells, thereby improving the versatility and adaptability of the entire device.

[0015] Preferably, a clamping pad is detachably connected to the top of the holding clamping plate near the side of the cell housing. The clamping pad is fixed to the holding clamping plate by multiple connecting screws, thereby being able to adapt to cell housing models of different widths, thereby ensuring the clamping firmness and stability of the cell housing.

[0016] To sum up, the advantage of the utility model is that the device facilitates the placement and positioning of the battery cell shell through the battery cell shell holding mechanism, and can drive the positioning clamping parts on the first shaping and expanding component and the second shaping and expanding component to clamp and position the openings at both ends of the battery cell shell through the two-way driving component, and expand the openings at both ends of the battery cell shell through the shaping and expanding parts on the first shaping and expanding component and the second shaping and expanding component, thereby ensuring that the two ends of the battery cell shell can be assembled intact with the battery end cover, preventing the battery cell shell from being unable to be assembled or the assembly fit is not sufficient, thereby preventing the risk of battery fluid leakage, and further ensuring the battery assembly quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a double-end shaping and expanding device for a battery cell shell of the present invention.

[0018] Figure 2 It is a structural diagram of the bidirectional drive mechanism of the utility model.

[0019] Figure 3 It is a structural diagram of the bidirectional drive component of the utility model.

[0020] Figure 4 It is an exploded view of the shaping and expanding component of the utility model.

[0021] Figure 5 It is an exploded view of the battery cell housing containing mechanism of the present invention.

[0022] Figure 6 It is a structural diagram of the battery cell shell currently produced and processed.

[0023] Description of reference numerals:

[0024] 1. Bidirectional drive mechanism; 11. First shaping and flaring component; 12. Second shaping and flaring component; 13. Bidirectional drive component; 131. Drive base; 132. Drive motor; 133. Drive shaft; 134. First horizontal slide; 135. Second horizontal slide; 136. Horizontal slide rail; 112. Clamping support seat; 1121. Clamping support horizontal plate; 1122. Clamping support vertical plate; 1123. First positioning perforation; 113. Clamping and positioning drive member; 114. Clamping and positioning drive plate; 115. A clamping block; 116, a second clamping block; 117, a shaping and expanding block; 1171, a first sliding groove; 1172, a second sliding groove; 1173, an arc guide surface; 118, a shaping pad; 1181, a second positioning perforation; 2, a cell housing holding mechanism; 21, a holding gantry; 211, a movable through hole; 22, a first holding support plate; 23, a second holding support plate; 24, a holding groove; 25, a holding clamping drive member; 26, a holding clamping plate; 27, a clamping pad; 3, a cell housing. DETAILED DESCRIPTION

[0025] First, those skilled in the art should understand that these embodiments are merely used to explain the technical principles of the embodiments of the present application and are not intended to limit the scope of protection of the embodiments of the present application. Those skilled in the art may adjust them as needed to suit specific application scenarios.

[0026] In the description of the embodiments of this application, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of this application based on the specific circumstances.

[0027] In the embodiments of the present application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, a first feature being "above," "above," and "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0028] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0029] like Figures 1 to 6As shown, a double-head shaping and expanding device for a cell shell comprises a bidirectional driving mechanism 1 and a cell shell holding mechanism 2; the bidirectional driving mechanism 1 comprises a first shaping and expanding component 11, a second shaping and expanding component 12 and a bidirectional driving component 13; the cell shell holding mechanism 2 is used to place the cell shell horizontally in the left and right directions; the first shaping and expanding component 11 and the second shaping and expanding component 12 are respectively located on the left and right sides of the cell shell holding mechanism 2, and the first shaping and expanding component 11 and the second shaping and expanding component 12 are respectively oriented towards the openings at the left and right ends of the cell shell; the first shaping and expanding component 11 and the second shaping and expanding component 12 are respectively connected to each other in the left and right directions On the left and right sides of the bidirectional driving component 13, the first shaping and expanding component 11 and the second shaping and expanding component 12 are horizontally symmetrical and relatively arranged, and the bidirectional driving component 13 is used to drive the first shaping and expanding component 11 and the second shaping and expanding component 12 to move horizontally synchronously in relative or opposite directions; the first shaping and expanding component 11 and the second shaping and expanding component 12 both include a positioning clamping part and a shaping and expanding part; the positioning clamping parts located on the left and right sides are used to clamp and position the left and right ends of the battery cell shell 3; the shaping and expanding parts located on the left and right sides are used to be gradually inserted into the end of the battery cell shell after positioning, and during the insertion process, Mr. Hu expands and shapes the opening at the end of the battery cell shell. The device facilitates the placement and positioning of the battery cell shell 3 through the battery cell shell holding mechanism 2, and can drive the positioning clamping parts on the first shaping and expanding component 11 and the second shaping and expanding component 12 to clamp and position the openings at both ends of the battery cell shell 3 through the two-way driving component 13, and expand the openings at both ends of the battery cell shell 3 through the shaping and expanding parts on the first shaping and expanding component 11 and the second shaping and expanding component 12, thereby ensuring that the two ends of the battery cell shell 3 can be assembled intact with the battery end cover, preventing the battery cell shell 3 from being assembled incorrectly or having an insufficient fit, thereby preventing the risk of battery fluid leakage, and further ensuring the quality of battery assembly.

[0030] like Figures 1 to 3As shown, the bidirectional drive assembly 13 includes a drive base 131, a drive motor 132, a drive shaft 133, a first horizontal slide 134 and a second horizontal slide 135; the drive base 131 is horizontally arranged in the left and right directions, the drive motor 132 is arranged at one end of the drive base 131, the drive shaft 133 is arranged in the left and right directions and is rotatably connected to the drive base 131, and the output shaft of the drive motor 132 is connected to the drive shaft 133; the first horizontal slide 134 is threadedly connected to the drive shaft 133, and the second horizontal slide 135 is threadedly connected to the drive shaft 133, and the threads of the first horizontal slide 134 and the second horizontal slide 135 are opposite; the first horizontal slide 134 and the second horizontal slide 135 are both slidably connected to the drive base 131 through horizontal slide rails 136; the positioning clamping part of the first shaping and expanding assembly 11 is fixedly arranged on the first horizontal slide 134; the positioning clamping part of the second shaping and expanding assembly 12 is fixedly arranged on the second horizontal slide 135. By driving the driving motor 132 to drive the driving shaft 133 to rotate forward and reverse and by the opposite threads on both sides cooperating, the first horizontal slide 134 and the second horizontal slide 135 can achieve synchronous movement in relative or opposite directions to achieve clamping or loosening action.

[0031] like Figures 2 to 4 As shown, the positioning and clamping part includes a clamping support seat 112, a clamping and positioning driving member 113, a clamping and positioning driving plate 114, a first clamping block 115 and a second clamping block 116; the clamping support seat 112 is arranged on the bidirectional driving component 13; the clamping and positioning driving member 113 is arranged on the clamping support seat 112 in the left and right horizontal directions through the driving member bracket; the clamping and positioning driving plate 114 is fixedly connected to the driving part of the clamping and positioning driving member 113, and the first clamping block 115 and the second clamping block 116 are arranged on the clamping and positioning driving plate 114 with an upper and lower interval, and the first clamping block 115 and the second clamping block 116 are distributed in the left and right directions, and the first clamping block 115 and the second clamping block 116 are respectively used to clamp on the upper side and the lower side of the battery cell shell 3. The clamping and positioning driving member 113 can drive the first clamping block 115 and the second clamping block 116 to move horizontally in the left and right directions, so that the first clamping block 115 and the second clamping block 116 can be pressed against the upper side and the lower side of one end of the battery cell shell 3, thereby preventing the battery cell shell 3 from being displaced during the shaping and flaring, thereby ensuring the quality of the flaring shaping.

[0032] like Figure 2 and Figure 4As shown, the clamping support seat 112 includes a clamping support horizontal plate 1121 and a clamping support vertical plate 1122; the clamping positioning drive member 113 is a clamping positioning cylinder, which is arranged in the left-right horizontal direction on the top surface of the clamping support horizontal plate 1121; the clamping support vertical plate 1122 is penetrated by two first positioning through-holes 1123 that are compatible with the first clamping block 115 and the second clamping block 116; and the first clamping block 115 and the second clamping block 116 are penetrated in the left-right direction on the first positioning through-holes 1123. The clamping support horizontal plate 1121 facilitates the horizontal placement of the clamping positioning cylinder, and the clamping support vertical plate 1122 facilitates the first clamping block 115 and the second clamping block 116 to be limited during the horizontal movement process, preventing deviation during the movement, and ensuring the clamping is in place and the stability of the clamping. The shaping and expanding portion includes a shaping and expanding block 117, which is positioned on the side of the clamping support riser 1122 away from the clamping and positioning driver 113 and located between the first clamping block 115 and the second clamping block 116. By matching the shaping and expanding block 117 with the opening of the cell housing 3 and gradually inserting it, the opening of the cell housing 3 is expanded to the desired shape, ensuring the shaping and expanding effect and quality.

[0033] like Figure 4 As shown, the middle portion of the top surface of the shaping and expanding block 117 is provided with a first sliding groove 1171 that slides with the bottom surface of the first clamping block 115; the middle portion of the bottom surface of the shaping and expanding block 117 is provided with a second sliding groove 1172 that slides with the top surface of the second clamping block 116; the first sliding groove 1171 and the second sliding groove 1172 can be used to position and limit the shaping and expanding block 117, preventing the shaping and expanding block 117 from shifting during the shaping and expanding process, thereby allowing the shaping and expanding block 117 to be accurately inserted into the opening of the battery cell housing 3. A circular arc guide surface 1173 is provided on the outer peripheral wall of the shaping and expanding block 117 near the opening of the battery cell housing 3; the circular arc guide surface 1173 can smoothly insert the shaping and expanding block 117 into the opening of the battery cell housing 3, and can smooth the burrs on the opening of the battery cell housing 3, thereby achieving a deburring effect. The shaping and expanding portion further includes a shaping pad 118, which is vertically positioned on the side of the clamping support vertical plate 1122 away from the clamping positioning driver 113. The shaping pad 118 is provided with a second positioning hole 1181 aligned with the two first positioning holes 1123. The shaping and expanding block 117 is fixedly mounted on the shaping pad 118. The shaping pad 118 facilitates better positioning of the shaping and expanding block 117, reduces the material required to produce the shaping and expanding block 117, and reduces costs.

[0034] like Figure 1 、 Figure 2 and Figure 5As shown, the cell housing holding mechanism 2 includes a holding gantry 21, a first holding support plate 22, and a second holding support plate 23. The holding gantry 21 is arranged in the front-to-back direction above the bidirectional drive assembly 13 and between the first shaping and flaring assembly 11 and the second shaping and flaring assembly 12. The first and second holding support plates 22 and 23 are vertically arranged on the left and right sides of the holding gantry 21, respectively. The top surfaces of the first and second holding support plates 22 and 23 are each provided with a holding groove 24 that matches the bottom of the cell housing 3. The holding groove 24 is rectangular. The holding gantry 21 can support the cell housing 3 above the bidirectional drive assembly 13, saving space. Furthermore, its location between the first and second shaping and flaring assembly 11 and 12 facilitates shaping processing at both ends. The bottom surface of the top plate of the holding gantry 21 is also provided with a holding clamping drive 25 distributed in the front-to-back direction through a drive bracket; the holding clamping drive 25 is a holding clamping cylinder, and the telescopic rod of the holding clamping cylinder is connected to a vertically arranged holding clamping plate 26, and the holding clamping plate 26 is distributed in the left-right direction, and the top plate of the holding gantry 21 is penetrated by a movable through-hole 211 for the movement of the holding clamping plate 26, and the upper part of the holding clamping plate 26 vertically passes through the movable through-hole 211 and is located between the first holding support plate 22 and the second holding support plate 23; the holding clamping drive 25 drives the holding clamping plate 26 to move in the front-to-back direction to press the battery cell shell 3 against one side wall of the holding groove 24. The holding clamping drive 25 drives the holding clamping plate 26 to move horizontally in a forward and backward direction, allowing it to abut the rear side of the battery cell housing 3 and the front side of the battery cell housing 3 against the front sidewall of the holding groove 24. This allows it to accommodate different battery cell housings 3 models, improving the versatility and adaptability of the entire device. A clamping pad 27 is removably connected to the top of the holding clamping plate 26, near the battery cell housing 3. The clamping pad 27 is fixed to the holding clamping plate 26 with multiple connecting screws, allowing it to adapt to battery cell housings 3 models of different widths, thereby ensuring the secure and stable clamping of the battery cell housing 3.

[0035] When the device is shaping and expanding, the battery cell shell 3 is first grabbed by a robot and placed on the first holding support plate 22 and the second holding support plate 23 in the left and right directions, and the left and right sides of the battery cell shell 3 fall into the rectangular holding grooves 24 on both sides, and then the holding clamping plate 26 is driven forward by the holding clamping drive member 25 to make the clamping pad 27 press against the battery cell shell 3, and the battery cell shell 3 is pressed against the front inner wall of the holding groove 24 to achieve positioning and fixation of the battery cell shell 3.

[0036] The driving motor 132 in the bidirectional driving assembly 13 first drives the first horizontal slide 134 and the second horizontal slide 135 to move to the initial position, so that the first shaping and expanding assembly 11 and the second shaping and expanding assembly 12 reach the pre-positioned position, and then the clamping and positioning driving member 113 on the positioning clamping part The first clamping block 115 and the second clamping block 116 are driven to extend toward the opening of the battery cell shell 3, and the first clamping block 115 and the second clamping block 116 on the positioning clamping parts on both sides are pressed against the openings at both ends of the battery cell shell 3 to ensure that the battery cell shell 3 is clamped and fixed, thereby preventing the battery cell shell 3 from shifting in the front, back, left and right directions during shaping and expanding. Then, the driving motor 132 drives the shaping and expanding blocks 117 on the left and right shaping pads 118 to be inserted into the openings at both ends of the battery cell shell 3, so that the shaping and expanding blocks 117 are gradually inserted into the openings at both ends of the battery cell shell 3, and the openings at both ends of the battery cell shell 3 are slowly shaped and expanded and burrs are removed. Finally, the shaping and expanding blocks 117 are fully inserted to realize the shaping of the openings at both ends of the battery cell shell 3, achieving the effect of shaping and expanding, and finally ensuring that the two ends of the battery cell shell 3 can be assembled with the battery end cover intact, preventing the battery cell shell 3 from being assembled or the assembly fit is not sufficient, and further ensuring the battery assembly quality.

[0037] In the description of the embodiments of the present application, it should be noted that in the description of the present application, terms such as "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. This is only for the convenience of description and does not indicate or imply that the device or component must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present application.

[0038] In the description of the present application, the description with reference to the terms "one embodiment", "some embodiments", "in the present embodiment", "specific example", or "some examples" means that the specific features, mechanisms, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples, unless they are contradictory.

[0039] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A double-end shaping and expanding device for a battery cell shell, characterized in that: The invention comprises a bidirectional driving mechanism (1) and a cell shell holding mechanism (2); the bidirectional driving mechanism (1) comprises a first shaping and expanding component (11), a second shaping and expanding component (12) and a bidirectional driving component (13); the cell shell holding mechanism (2) is used to place the cell shell horizontally in the left and right directions; the first shaping and expanding component (11) and the second shaping and expanding component (12) are respectively located on the left and right sides of the cell shell holding mechanism (2), and the first shaping and expanding component (11) and the second shaping and expanding component (12) are respectively oriented towards the openings at the left and right ends of the cell shell; the first The shaping and flaring component (11) and the second shaping and flaring component (12) are connected to the bidirectional driving component (13) in a horizontally movable manner in the left-right direction, and the bidirectional driving component (13) is used to drive the first shaping and flaring component (11) and the second shaping and flaring component (12) to move in relative or opposite directions; the first shaping and flaring component (11) and the second shaping and flaring component (12) both include a positioning clamping portion and a shaping and flaring portion; the positioning clamping portion is used to position the end of the battery cell shell; the shaping and flaring portion is used to be inserted into the end of the battery cell shell after positioning, and to shape the opening of the end of the battery cell shell.

2. The double-end shaping and expanding device for a battery cell shell according to claim 1, characterized in that: The positioning clamping portion comprises a clamping support seat (112), a clamping positioning drive member (113), a clamping positioning drive plate (114), a first clamping block (115) and a second clamping block (116); the clamping support seat (112) is arranged on the bidirectional drive assembly (13); the clamping positioning drive member (113) is arranged on the clamping support seat (112) in a left-right horizontal direction; the clamping positioning drive plate (114) is fixedly connected to the drive portion of the clamping positioning drive member (113); the first clamping block (115) and the second clamping block (116) are arranged on the clamping positioning drive plate (114) at intervals in an upper and lower direction, and the first clamping block (115) and the second clamping block (116) are both distributed in a left-right direction, and the first clamping block (115) and the second clamping block (116) are respectively used to clamp on the upper side and the lower side of the battery cell shell.

3. The double-end shaping and expanding device for a battery cell shell according to claim 2, characterized in that: The clamping support seat (112) includes a clamping support horizontal plate (1121) and a clamping support vertical plate (1122); the clamping positioning drive member (113) is a clamping positioning cylinder, which is arranged on the top surface of the clamping support horizontal plate (1121) in the left and right horizontal directions; the clamping support vertical plate (1122) is penetrated by two first positioning through holes (1123) that are compatible with the first clamping block (115) and the second clamping block (116); and the first clamping block (115) and the second clamping block (116) are penetrated in the first positioning through holes (1123) in the left and right directions.

4. The double-end shaping and expanding device for a battery cell shell according to claim 3, characterized in that: The shaping and expanding portion includes a shaping and expanding block (117); the shaping and expanding block (117) is arranged on a side of the clamping support vertical plate (1122) away from the clamping positioning drive member (113), and the shaping and expanding block (117) is located between the first clamping block (115) and the second clamping block (116).

5. The double-end shaping and expanding device for a battery cell shell according to claim 4, characterized in that: A first sliding groove (1171) is provided in the middle of the top surface of the shaping and expanding block (117) and is slidably matched with the bottom surface of the first clamping block (115); a second sliding groove (1172) is provided in the middle of the bottom surface of the shaping and expanding block (117) and is slidably matched with the top surface of the second clamping block (116); and an arc guide surface (1173) is provided on the outer peripheral wall of the shaping and expanding block (117) on the side close to the opening of the battery cell shell.

6. The double-end shaping and expanding device for a battery cell shell according to claim 4, characterized in that: The shaping and expanding portion further comprises a shaping pad (118); the shaping pad (118) is vertically arranged on a side of the clamping support vertical plate (1122) away from the clamping positioning drive member (113); a second positioning through-hole (1181) aligned with the two first positioning through-holes (1123) is provided on the shaping pad (118); and the shaping and expanding block (117) is fixedly arranged on the shaping pad (118).

7. The double-end shaping and expanding device for a battery cell shell according to claim 1, characterized in that: The bidirectional drive assembly (13) includes a drive base (131), a drive motor (132), a drive shaft (133), a first horizontal slide (134) and a second horizontal slide (135); the drive base (131) is horizontally arranged in the left-right direction, the drive motor (132) is arranged at one end of the drive base (131), the drive shaft (133) is arranged in the left-right direction and is rotatably connected to the drive base (131), and the output shaft of the drive motor (132) is connected to the drive shaft (133); the first horizontal slide (134) is threadedly connected to the drive shaft The first horizontal slide (134) and the second horizontal slide (135) are screwed on the drive shaft (133), and the threads of the first horizontal slide (134) and the second horizontal slide (135) are opposite; the first horizontal slide (134) and the second horizontal slide (135) are both slidably connected to the drive base (131) through horizontal slide rails (136); the positioning clamping portion of the first shaping and expanding component (11) is fixedly arranged on the first horizontal slide (134); and the positioning clamping portion of the second shaping and expanding component (12) is fixedly arranged on the second horizontal slide (135).

8. The double-end shaping and expanding device for a battery cell shell according to claim 1, characterized in that: The cell shell holding mechanism (2) comprises a holding gantry (21), a first holding support plate (22) and a second holding support plate (23); the holding gantry (21) is arranged above the bidirectional drive assembly (13) in a front-to-back direction and is located between the first shaping and expanding assembly (11) and the second shaping and expanding assembly (12); the first holding support plate (22) and the second holding support plate (23) are respectively arranged vertically on the left and right sides of the holding gantry (21); and the top surfaces of the first holding support plate (22) and the second holding support plate (23) are both provided with holding grooves (24) adapted to the bottom of the cell shell.

9. The double-end shaping and expanding device for a battery cell shell according to claim 8, characterized in that: The bottom surface of the top plate of the holding gantry (21) is further provided with a holding clamping driving member (25) distributed in the front-to-back direction; a holding clamping plate (26) is vertically provided on the driving portion of the holding clamping driving member (25), and the holding clamping plates (26) are distributed in the left-to-right direction; a movable through hole (211) for the movement of the holding clamping plate (26) is provided through the top plate of the holding gantry (21), and the upper part of the holding clamping plate (26) vertically passes through the movable through hole (211) and is located between the first holding support plate (22) and the second holding support plate (23); the holding clamping plate (26) is driven by the holding clamping driving member (25) to move in the front-to-back direction to press the battery cell shell against a side wall of the holding groove (24).

10. The double-end shaping and expanding device for a battery cell shell according to claim 9, characterized in that: A clamping pad (27) is detachably connected to the top of the holding clamping plate (26) near one side of the battery cell housing.

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