Electric vehicle battery pack shaping device

Abstract

The utility model belongs to the technical field of battery processing, and discloses an electric vehicle battery pack shaping device which comprises a rack, a horizontal conveying device, a stand column frame, a shaping mold and a pressing device, and the rack is sequentially provided with a material receiving station and a pressing station in the length direction; the horizontal conveying device is fixedly mounted on the rack, and a bearing platform suitable for reciprocating motion between a receiving station and a pressing station is arranged on the horizontal conveying device; the stand column frame is fixedly installed on the rack and located on the pressing station, and a plurality of downward pressing device installation positions are arranged on the stand column frame in the length direction and the width direction at intervals. The shaping mold is mounted on the bearing platform, and a prefabricated groove suitable for placing a battery pack product is formed in the shaping mold; the downward pressing device is provided with a plurality of downward pressing assemblies. According to the battery pack shaping device, the shaping precision and applicability can be improved, battery packs of different specifications can be shaped, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of electric vehicle battery pack shaping device, belong to battery processing technical field. BACKGROUND

[0002] At present, with the new energy vehicle industry of our country entering the stage of rapid development of scale, the safety, reliability and endurance of new energy vehicle power battery become core concern point.Battery pack as the bearing structure of power battery, generally installed in the lower part of vehicle body, mainly play the role of protecting lithium battery, so that it is not easy to be damaged when external collision or extrusion.However, in the production process of new energy electric vehicle aluminum alloy battery pack, due to casting, welding, assembly and demolding and other process factors, battery pack shell is prone to slight deformation, such as edge warping, local depression and the like.These deformations will affect the sealing, assembly accuracy and overall mechanical strength of battery pack, thereby affecting the safety and service life of whole vehicle.Therefore, in the production process of battery pack, shaping process is usually needed to ensure that its size accuracy meets assembly requirements.

[0003] After searching the prior art, it is found that the Chinese patent with publication number CN219770879U discloses a shaping device for battery pack production, which realizes the shaping of battery pack through the upper shaping mechanism and the side shaping mechanism, but the device is found to be only suitable for simple shapes and not suitable for battery packs of different specifications during use. SUMMARY

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide an electric vehicle battery pack shaping device, which can improve shaping accuracy and applicability, so that battery packs of different specifications can be shaped and production efficiency is improved.

[0005] To solve the above technical problems, the technical scheme of the utility model is:

[0006] An electric vehicle battery pack shaping device, comprising:

[0007] A rack is sequentially provided with a material collecting station and a pressing station along the length direction;

[0008] A horizontal conveying device is fixedly installed on the rack, and the horizontal conveying device is provided with a carrying platform adapted to reciprocate between the material collecting station and the pressing station;

[0009] A column frame is fixedly installed on the rack and located on the pressing station, and a plurality of lower pressing device mounting positions are spaced apart along the length direction and the width direction on the column frame;

[0010] A shaping mold is mounted on the bearing platform, and a prefabricated groove suitable for placing the battery pack product is arranged on the shaping mold.

[0011] A pressing device is provided with a plurality of pressing assemblies, each of which is installed one-to-one on the pressing device mounting position of the column frame. The pressing assembly is provided with a telescopic end extending downward, and the pressing assembly is suitable for driving the telescopic end to move downward to apply pressure to the battery pack product placed on the shaping mold.

[0012] Further, a specific structure of a horizontal conveying device is provided, which comprises:

[0013] At least one linear guide rail is fixedly installed on the rack along the length direction of the rack;

[0014] A bearing sliding table is slidingly arranged on the linear guide rail through a sliding block, and the bearing platform is arranged on the bearing sliding table;

[0015] A transmission roller shaft is rotatably installed on one side of the material receiving station of the rack;

[0016] A driven wheel is fixedly installed on the transmission roller shaft;

[0017] A rotary drive source is fixedly installed on the rack, and the rotary drive source is provided with an output shaft;

[0018] A driving wheel is installed on the output shaft of the rotary drive source;

[0019] A transmission chain is arranged around the driving wheel and the driven wheel, and the transmission chain is fixedly connected to the bearing sliding table through a connecting piece.

[0020] Further, a specific type of rotary drive source is provided, which is a motor.

[0021] Further, the linear guide rail is provided with two linear guide rails, which are symmetrically arranged with the center line of the rack.

[0022] Further, a specific structure of a pressing assembly is provided, which comprises:

[0023] A pressing drive source is vertically fixedly installed on the pressing device mounting position of the column frame, and the pressing drive source is provided with a telescopic rod extending downward;

[0024] A pressing block is fixed on the telescopic rod of the pressing drive source, and the lower surface of the pressing block is provided with a pressing surface matched with the shaping mold.

[0025] Further, a specific type of down-press driving source is provided, which is a cylinder.

[0026] Further, the column frame comprises:

[0027] four columns, respectively fixedly installed at four corners of the pressing station of the frame;

[0028] a frame fixedly installed at the top end of the columns, the frame comprising frame longitudinal beams and frame transverse beams arranged alternately;

[0029] at least one set of mounting beam assembly movably arranged on the frame longitudinal beams along the length direction of the frame longitudinal beams, the mounting beam assembly being provided with a plurality of fixed frame mounting positions spaced along the length direction thereof;

[0030] a fixed frame detachably installed on the corresponding fixed frame mounting position;

[0031] wherein the down-press device mounting position is arranged on the fixed frame.

[0032] Further, each set of the mounting beam assembly comprises:

[0033] a left mounting beam and a right mounting beam arranged side by side on the frame longitudinal beam with a gap between the left mounting beam and the right mounting beam, the left mounting beam and the right mounting beam being provided with first mounting holes;

[0034] two pairs of auxiliary connecting blocks, each pair of the auxiliary connecting blocks being provided with second mounting holes, each pair of the auxiliary connecting blocks being arranged below the frame longitudinal beam at the corresponding positions of the end portions of the left mounting beam and the right mounting beam, the auxiliary connecting blocks being adapted to fixedly connect the left mounting beam and the right mounting beam with the corresponding auxiliary connecting blocks by fasteners passing through the first mounting holes and the second mounting holes.

[0035] Further, the fixed frame comprises an upper fixed plate and a lower fixed plate arranged on the upper and lower sides of the mounting beam assembly, respectively;

[0036] wherein the upper fixed plate and the lower fixed plate are provided with corresponding through cylinder mounting holes, the cylinder mounting holes constituting the down-press device mounting position;

[0037] the upper fixed plate and the lower fixed plate are further provided with corresponding connecting fixed holes, the upper fixed plate and the lower fixed plate being adapted to be fixedly connected by fasteners passing through the corresponding connecting fixed holes of the upper fixed plate and the lower fixed plate.

[0038] Advantages

[0039] In the utility model, in use, first, the horizontal conveying device is used for moving the bearing platform to the material collecting station, and the battery pack product is placed on the bearing platform fixed with the shaping die, so that the battery pack product is combined with the prefabricated groove of the shaping die. Then, the horizontal conveying device is used for moving the bearing platform to the pressing station. In the pressing station, the telescopic ends of the plurality of lower pressing assemblies on the column frame downwardly apply the preset pressure, and after a period of time, the deformed parts of the battery pack product gradually recover to the predetermined shape under the constraint of the shaping die, so that the size accuracy and consistency are ensured.

[0040] In addition, the lower pressing assembly uses a cylinder as a driving source, and can change the position through the adjustably installed beam assembly on the column frame, so that the equipment can adapt to battery pack products of different sizes. Meanwhile, the fixed frame adopts the structure combined with the upper fixed plate and the lower fixed plate, so that the installation of the lower pressing device is stable.

[0041] To sum up, the utility model realizes the efficient shaping of the battery pack of the new energy electric vehicle, improves the shaping accuracy and consistency, enhances the applicability of the equipment, reduces the demand for manual intervention, and improves the production efficiency and product quality. BRIEF DESCRIPTION OF DRAWINGS

[0042] Figure 1 . The perspective structural schematic diagram of the electric vehicle battery pack shaping device;

[0043] Figure 2 . The front view of the electric vehicle battery pack shaping device;

[0044] Figure 3 . The top view of the electric vehicle battery pack shaping device;

[0045] Figure 4 . The side view of the electric vehicle battery pack shaping device. DETAILED DESCRIPTION

[0046] In order to make the content of the utility model more easily and clearly understood, the utility model is further described in detail below according to specific embodiments and in combination with the drawings.

[0047] As Figures 1-4 shown, an electric vehicle battery pack shaping device comprises:

[0048] A rack 1, the rack 1 is sequentially provided with a material collecting station and a pressing station along the length direction;

[0049] A horizontal conveying device 2, the horizontal conveying device 2 is fixedly installed on the rack 1, and the horizontal conveying device 2 is provided with a bearing platform 20 adapted to reciprocate between the material collecting station and the pressing station;

[0050] The column frame 3 is fixedly installed on the rack 1 and is located on the pressing station. A plurality of pressing device installation positions are arranged on the column frame 3 in the length direction and the width direction.

[0051] The shaping mold 4 is installed on the carrying platform 20. The shaping mold 4 is provided with a prefabricated groove suitable for placing the battery pack product.

[0052] The pressing device 5 is provided with a plurality of pressing assemblies. Each pressing assembly is installed on the pressing device installation position of the column frame 3 in a one-to-one correspondence. The pressing assembly is provided with a telescopic end extending downward. The pressing assembly is suitable for driving the telescopic end to move downward to exert pressure on the battery pack product placed on the shaping mold 4.

[0053] In the embodiment, as shown in Figures 2-3 , in use, first, the carrying platform 20 is moved to the material receiving station by the horizontal conveying device 2, and the battery pack product is placed on the carrying platform 20 on which the shaping mold 4 is fixed, so as to ensure that the battery pack product is fitted with the prefabricated groove of the shaping mold 4. Then, the carrying platform 20 is moved to the pressing station by the horizontal conveying device 2. In the pressing station, the telescopic ends of the plurality of pressing assemblies on the column frame 3 exert a preset pressure downward. After a period of time, the deformed part of the battery pack product gradually recovers to the predetermined shape under the constraint of the shaping mold 4, so as to ensure the dimensional accuracy and consistency thereof.

[0054] In the embodiment, the battery pack product is specifically an aluminum alloy battery pack.

[0055] Specifically, as shown in Figures 1-4 , the horizontal conveying device 2 comprises:

[0056] Two linear guides 21 are fixedly installed on the rack 1 in the length direction of the rack 1.

[0057] A carrying sliding table 22 is slidingly arranged on the linear guide 21 by a sliding block. The carrying platform 20 is arranged on the carrying sliding table 22.

[0058] A transmission roller shaft 24 is rotatably installed on one side of the material receiving station of the rack 1.

[0059] A driven wheel is fixedly installed on the transmission roller shaft 24.

[0060] A rotary driving source 27 is fixedly installed on the rack 1. The rotary driving source 27 is provided with an output shaft.

[0061] A driving wheel is installed on the output shaft of the rotary driving source 27.

[0062] A transmission chain 29 is arranged between the driving wheel and the driven wheel, and the transmission chain 29 is fixedly connected to the bearing slide 22 through a connecting piece.

[0063] Specifically, as shown in Figure 2 The rotary driving source 27 is an electric motor.

[0064] Specifically, as shown in Figures 2-4 The linear guide rails 21 are arranged symmetrically with respect to the center line of the rack 1.

[0065] In this embodiment, as shown in Figures 1-4 The horizontal conveying device 2 provides guidance and support for the bearing slide 22 through the two linear guide rails 21. The power transmission structure of the horizontal conveying device 2 adopts a chain transmission mode: the rotary driving source 27 drives the driving wheel to rotate through the output shaft, and the driving wheel is connected to the driven wheel through the transmission chain 29. The driven wheel is fixed on the transmission roller shaft 24, which is rotatably installed on the side of the rack 1 where the material receiving station is located. The transmission chain 29 is fixedly connected to the bearing slide 22 through a connecting piece. When the rotary driving source 27 operates, the bearing slide 22 moves back and forth on the linear guide rails 21 through chain transmission.

[0066] In other embodiments, the horizontal conveying device 2 can also adopt a lead screw transmission structure, in which the rotary driving source 27 drives the lead screw to rotate, and the lead screw nut is fixedly connected to the bearing slide 22, thereby realizing the reciprocating motion of the bearing slide 22. In addition, the transmission chain 29 can be replaced by a synchronous belt, and the driven wheel and the driving wheel are correspondingly replaced by synchronous pulleys, thereby realizing the reciprocating motion of the bearing slide 22.

[0067] Specifically, as shown in Figures 1-2 The down-pressing assembly includes:

[0068] A down-pressing driving source 51 is vertically fixedly installed on the down-pressing device installation position of the column rack 3, and the down-pressing driving source 51 is provided with a downwardly extending telescopic rod.

[0069] A pressing block 53 is fixedly installed on the telescopic rod of the down-pressing driving source 51, and the lower surface of the pressing block 53 is provided with a pressing surface matched with the shaping die 4.

[0070] Specifically, as shown in Figure 1 The down-pressing driving source 51 is a pneumatic cylinder.

[0071] In this embodiment, as shown in Figures 1-2 During operation, the telescopic rod of the pneumatic cylinder drives the pressing block 53 to move downward, and the pressing surface of the pressing block 53 applies pressure to the battery pack product placed on the shaping die 4. The pressing surface and the surface shape of the shaping die 4 cooperate with each other to constrain the battery pack product, so that the deformed part of the battery pack product gradually recovers to the predetermined shape.

[0072] In other embodiments, the downward pressing driving source 51 can also adopt a linear driving device such as a hydraulic cylinder or an electric push rod. The pressing surface of the pressing block 53 can be adjusted according to the specific structure and shape of the battery pack product to adapt to different models of battery pack products. In addition, the pressing block 53 can adopt a detachable design to facilitate the replacement of different pressing blocks 53. The detachable manner can be threaded connection or other detachable manner.

[0073] Specifically, as shown in Figures 1-3 , the column frame 3 comprises:

[0074] four columns 31, the columns 31 are respectively fixedly installed at the four corners of the pressing station of the rack 1;

[0075] a frame 32, the frame 32 is fixedly installed at the top end of the column 31, and the frame 32 comprises staggered frame longitudinal beams 321 and frame transverse beams 322;

[0076] two groups of mounting beam assemblies 33, the mounting beam assemblies 33 are movably arranged on the frame longitudinal beams 321 along the length direction of the frame longitudinal beams 321, and a plurality of fixed frame mounting positions 332 are arranged on the mounting beam assemblies 33 along the length direction thereof;

[0077] a fixed frame 34, the fixed frame 34 is detachably installed on the corresponding fixed frame mounting position 332;

[0078] wherein, the downward pressing device mounting position is arranged on the fixed frame 34.

[0079] Specifically, as shown in Figure 1 and Figure 3 , each group of mounting beam assemblies 33 comprises:

[0080] a left mounting beam and a right mounting beam, the left mounting beam and the right mounting beam are arranged side by side on the frame longitudinal beam 321 with a gap between the left mounting beam and the right mounting beam, and the left mounting beam and the right mounting beam are both provided with first mounting holes;

[0081] two pairs of auxiliary connecting blocks 334, each pair of auxiliary connecting blocks 334 is provided with a second mounting hole, and each pair of auxiliary connecting blocks 334 is arranged below the frame longitudinal beam 321 and at the corresponding position of the end portion of the left mounting beam and the right mounting beam, and the auxiliary connecting blocks 334 are adapted to be fixedly connected with the left mounting beam and the right mounting beam and the corresponding auxiliary connecting blocks 334 by fasteners passing through the first mounting holes and the second mounting holes.

[0082] Specifically, as shown in Figure 1 , the fixed frame 34 comprises: an upper fixed plate and a lower fixed plate, the upper fixed plate and the lower fixed plate are respectively arranged on the upper and lower sides of the mounting beam assembly 33;

[0083] The upper and lower fixing plates are provided with corresponding through cylinder mounting holes, which constitute the mounting position of the pressing device.

[0084] The upper and lower fixing plates are also provided with corresponding connection fixing holes, and the upper and lower fixing plates are adapted to be fixedly connected by fasteners passing through the corresponding connection fixing holes of the upper and lower fixing plates.

[0085] In this embodiment, as Figures 1-4 As shown, the four columns 31 of the column frame 3 are fixed at the four corners of the pressing station of the frame 1, and the frame 32 is fixedly installed at the top of the column 31. The two frame longitudinal beams 321 and the two frame transverse beams 322 at the edge of the frame 32 form the outer perimeter, and there are three more frame longitudinal beams for reinforcement. Each set of mounting beam assembly 33 is composed of a left mounting beam and a right mounting beam arranged side by side, with a gap between the two mounting beams. The gap width is greater than the width of the cylinder telescopic rod.

[0086] Mounting beam assembly 33 is connected and fixed to frame longitudinal beam 321 via auxiliary connecting blocks 334. Each mounting beam assembly 33 is equipped with two pairs of auxiliary connecting blocks 334, located at corresponding positions on both ends of the left and right mounting beams, respectively. The auxiliary connecting blocks 334 are positioned below the frame longitudinal beam 321 and are fixedly connected sequentially using fasteners through the first and second mounting holes. When position adjustment is required, the left and right mounting beams can be moved by loosening the fasteners and then fixed again.

[0087] The mounting bracket 34 adopts a structure combining an upper mounting plate and a lower mounting plate, which are respectively set on the upper and lower sides of the mounting beam assembly 33. The upper and lower mounting plates have corresponding through-cylinder mounting holes for mounting the downward pressure drive source 51. The upper and lower mounting plates are fixedly connected by connecting fixing holes and fasteners, and can be detachably mounted on the mounting bracket mounting position 332. The fasteners can be a combination of bolts and nuts.

[0088] The specific embodiments described above further illustrate the technical problems, technical solutions, and beneficial effects of this utility model. It should be understood that the above descriptions are merely specific embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An electric vehicle battery pack shaping device, characterized by, The utility model relates to a battery pack shaping device, including: Rack (1), the rack (1) is sequentially provided with material collecting station and pressing station along length direction; Horizontal conveying device (2), horizontal conveying device (2) is fixedly installed on the rack (1), and the horizontal conveying device (2) is provided with the bearing platform (20) suitable for reciprocating between material collecting station and pressing station; Column frame (3), the column frame (3) is fixedly installed on the rack (1), and is located on the pressing station, and a plurality of lower pressing device installation positions are spaced apart along the length direction and the width direction on the column frame (3); Shaping mould (4), the shaping mould (4) is installed on the bearing platform (20), and the shaping mould (4) is provided with the prefabricated groove suitable for placing battery pack product; Lower pressing device (5), the lower pressing device (5) is provided with a plurality of lower pressing components, and each lower pressing component is installed on the lower pressing device installation position of the column frame (3) one by one, the lower pressing component is provided with the telescopic end extending downward, and the lower pressing component is suitable for driving the telescopic end to move downward and exerts pressure on the battery pack product placed on the shaping mould (4).

2. The electric vehicle battery pack shapmg device of claim 1, wherein, The horizontal conveying device (2) comprises: At least one linear guide rail (21), the linear guide rail (21) is fixedly installed on the rack (1) along the length direction of the rack (1); Bearing sliding table (22), the bearing sliding table (22) is slidably arranged on the linear guide rail (21) through a sliding block, and the bearing platform (20) is arranged on the bearing sliding table (22); Transmission roller shaft (24), the transmission roller shaft (24) is rotatably installed on one side of the material collecting station of the rack (1); Driven wheel, the driven wheel is fixedly installed on the transmission roller shaft (24); Rotary drive source (27), the rotary drive source (27) is fixedly installed on the rack (1), and the rotary drive source (27) is provided with an output shaft; Driving wheel, the driving wheel is installed on the output shaft of the rotary drive source (27); Transmission chain (29), the transmission chain (29) is arranged between the driving wheel and the driven wheel, and the transmission chain (29) is fixedly connected with the bearing sliding table (22) through a connecting piece.

3. The electric vehicle battery pack shapmg device of claim 2, wherein: The rotary drive source (27) is a motor.

4. The electric vehicle battery pack shapmg device of claim 2, wherein: The linear guide rail (21) is provided with two linear guide rails (21), and the two linear guide rails (21) are symmetrically arranged with the center line of the rack (1).

5. The electric vehicle battery pack shapmg device of claim 1, wherein, The lower pressing component comprises: a lower pressing drive source (51) vertically fixedly installed on the lower pressing device installation position of the column frame (3), and the lower pressing drive source (51) is provided with a telescopic rod extending downward; Pressing block (53), the pressing block (53) is fixed on the telescopic rod of the lower pressing drive source (51), and the lower surface of the pressing block (53) is provided with a pressing surface matched with the shaping mould (4).

6. The electric vehicle battery pack shaping device of claim 5, wherein: The lower pressing drive source (51) is a pneumatic cylinder.

7. The electric vehicle battery pack shaping device of claim 1, wherein, The column frame (3) comprises: Four columns (31), the columns (31) are respectively fixedly installed at the four corners of the pressing station of the rack (1); A frame (32) is fixedly installed at the top end of the column (31), and the frame (32) comprises frame longitudinal beams (321) and frame transverse beams (322) arranged alternately; At least one set of mounting beam assemblies (33) are movably arranged on the frame longitudinal beams (321) along the length direction of the frame longitudinal beams (321), and a plurality of fixing frame mounting positions (332) are arranged on the mounting beam assemblies (33) along the length direction of the mounting beam assemblies (33); A fixing frame (34) is detachably installed on the corresponding fixing frame mounting position (332); wherein the pressing device mounting position is arranged on the fixing frame (34).

8. The electric vehicle battery pack shaping device of claim 7, wherein, Each set of mounting beam assemblies (33) comprises: Left and right mounting beams arranged side by side on the frame longitudinal beams (321) and having a gap between the left and right mounting beams, and first mounting holes are arranged on the left and right mounting beams; Two pairs of auxiliary connecting blocks (334), each pair of auxiliary connecting blocks (334) is provided with a second mounting hole, and each pair of auxiliary connecting blocks (334) is arranged below the frame longitudinal beams (321) and at the corresponding positions of the end portions of the left and right mounting beams, and the auxiliary connecting blocks (334) are adapted to be fixedly connected with the corresponding auxiliary connecting blocks (334) by fasteners passing through the first mounting holes and the second mounting holes.

9. The electric vehicle battery pack shaping device of claim 7, wherein, The fixing frame (34) comprises upper and lower fixing plates arranged on the upper and lower sides of the mounting beam assemblies (33), respectively; Wherein the upper and lower fixing plates are provided with corresponding through cylinder mounting holes, and the cylinder mounting holes constitute the pressing device mounting position; The upper and lower fixing plates are also provided with corresponding connecting fixing holes, and the upper and lower fixing plates are adapted to be fixedly connected by fasteners passing through the corresponding connecting fixing holes of the upper and lower fixing plates.

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