CN216464265U

CN216464265U - Production clamp for battery box body

Info

Publication number: CN216464265U
Application number: CN202122693169.8U
Authority: CN
Inventors: 杨磊; 宾炜
Original assignee: Guangdong Hesheng New Energy Technology Co ltd
Current assignee: Guangdong Hesheng New Energy Technology Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-05-10
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a production clamp of a battery box body, which is used for combining a box frame and a cooling plate together and comprises the following components: a machine base; the box frame placing seat is arranged on the base; the cooling plate placing seat is arranged on the machine base and is provided with a cooling plate binding surface; the cooling plate arranged on the binding surface of the cooling plate can be combined with a box frame arranged on a box frame arranging seat; and the attaching and fastening device is configured to apply force which is attached to the attaching surface of the cooling plate to the cooling plate attached to the attaching surface of the cooling plate. The production clamp of the battery box body can correct the flatness of the cooling plate when the cooling plate and the box frame are assembled, so that the assembly deformation of the cooling plate is reduced.

Description

Production clamp for battery box body

Technical Field

The utility model relates to a production tool of a battery box body, in particular to a production clamp of the battery box body.

Background

The Cell To Pack (CTP) integration technology is also called a non-module design, and the power battery adopting the design can omit the link of a middle module and has the characteristics of high integration level and relatively few parts. According to the box body of the battery, the liquid cooling plate used for cooling is integrated with the box body, so that the liquid cooling plate becomes a part of the box body, the redundant design of the box body is reduced, and the integration level of the box body is further improved.

Referring to fig. 1 and 2, the battery box generally includes a box frame 1, a cooling plate 2, and a bottom protective plate (not shown), where the box frame 1 is a frame structure, the cooling plate 2 is generally a liquid cooling plate, the cooling plate 2 is assembled to the box frame 1 to form a box, and the bottom protective plate is assembled to the cooling plate 2 to protect the cooling plate 2. And a structural sealant 3 and a foaming sealing ring 4 are arranged between the cooling plate 2 and the box frame 1 for sealing to form double sealing. For the power battery, the cooling plate 2 is large in size, so that the flatness and strength are poor, and the sealing performance and strength of the box body are affected; especially for the liquid cooling plate, the liquid cooling plate is usually formed by welding two layers of aluminum plates, and is influenced by a welding process, the flatness of the liquid cooling plate is poorer, and the sealing performance and the strength of the box body are further insufficient. In addition, since the cooling plate 2 is generally locked to the box frame 1 by the screws 5, due to certain elasticity of the structural sealant 3 and the foam sealing ring 4, the position of the cooling plate 2 not fastened by the screws 5 is easily bulged under the local point pressure of the screws 5, and C-shape deformation is generated, which further aggravates the flatness deformation of the cooling plate 2.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a production clamp of a battery box body, which can correct the flatness of a cooling plate when the cooling plate and a box frame are assembled so as to reduce the assembly deformation of the cooling plate.

According to the embodiment of the utility model, the production clamp of the battery box body is used for combining the box frame and the cooling plate, and comprises the following components: a machine base; the box frame placing seat is arranged on the base; the cooling plate placing seat is arranged on the machine base and is provided with a cooling plate binding surface; the cooling plate arranged on the bonding surface of the cooling plate can be combined with the box frame arranged on the box frame arranging seat; and the attaching and fastening device is configured to apply force attaching to the cooling plate attaching surface.

The production clamp of the battery box body provided by the embodiment of the utility model at least has the following beneficial effects: the production clamp of the battery box body can enable the cooling plate to be tightly attached to the attaching surface of the cooling plate through the action of the attaching and fastening device, so that the flatness of the cooling plate is corrected; meanwhile, in the process of screwing the cooling plate and the box frame after combination, the cooling plate can be tightly attached to the attaching surface of the cooling plate, so that the deformation degree of the cooling plate caused by screwing can be reduced.

According to some embodiments of the present invention, the cooling plate seat is movably disposed relative to the box frame seat and can be close to and away from the box frame seat, the machine base is provided with a driving device for driving the cooling plate seat to move relative to the box frame seat, and the driving device can drive the cooling plate seat close to the box frame seat, so that the cooling plate disposed on the cooling plate seat can abut against the box frame disposed on the box frame seat.

According to some embodiments of the present invention, the cooling plate seating base is liftably disposed on the base, the box frame seating base is fixedly disposed on the base, and the driving device is configured as a lifting driver connected to the cooling plate seating base.

According to some embodiments of the utility model, one of the cooling plate seating base and the machine base is provided with a guide rod, and the other is provided with a sliding sleeve, the guide rod is vertically arranged, and the guide rod is slidably connected to the sliding sleeve.

According to some embodiments of the utility model, the attaching fastening device is configured as a vacuum suction structure for attaching the cooling plate to the attaching surface of the cooling plate, and the vacuum suction structure is disposed on the cooling plate seat.

According to some embodiments of the present invention, the vacuum suction structure includes a suction cup member and an air exhaust pipe connected to the suction cup member, the cooling plate attaching surface is provided with a recess hole, and the suction cup member is disposed in the recess hole.

According to some embodiments of the utility model, the cooling plate further comprises a fastener capable of fixing the box frame and the cooling plate together.

According to some embodiments of the utility model, the fastener is provided in plurality and arranged around the cooling plate seat.

According to some embodiments of the utility model, the fastener comprises a pressing claw and a pressing claw driver, the base is provided with a connecting seat corresponding to the fastener one by one, the pressing claw driver is arranged on the connecting seat, and the pressing claw is connected with the pressing claw driver.

According to some embodiments of the utility model, the frame is provided with a positioning structure for positioning the box frame.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a perspective view of a battery case according to an embodiment of the present invention;

FIG. 2 is an exploded view of the structure shown in FIG. 1;

FIG. 3 is a perspective view of a jig for producing a battery case according to an embodiment of the present invention;

FIG. 4 is an exploded view of the structure shown in FIG. 3;

FIG. 5 is a schematic perspective view of the production jig for battery cases according to the embodiment of the present invention after being placed in a case frame;

FIG. 6 is a perspective view of the base of FIG. 5 with the cooling plate seating portion raised;

FIG. 7 is a perspective view of the cooling plate of FIG. 6 mounted on the cooling plate mounting seat;

FIG. 8 is a perspective view of the base of FIG. 7 with the cooling plate lowered into abutting engagement with the tank frame;

FIG. 9 is a perspective view of the case frame and the cooling plate fastened by the fasteners of FIG. 8;

FIG. 10 is a perspective view of a conformable fastening device in accordance with embodiments of the present invention;

fig. 11 is a partial structural view of an embodiment of the present invention.

Reference numerals:

the box comprises a box frame 1, a cooling plate 2, structural sealant 3, a foaming sealing ring 4 and screws 5;

the device comprises a base 100, a connecting seat 110, a box frame placing seat 200, a cooling plate placing seat 300, a cooling plate attaching surface 310, an abdicating hole 320, an attaching and fastening device 400, a sucking disc piece 410, an exhaust pipe 420, a driving device 500, a fastening device 600, a pressing claw 610, a pressing claw driver 620 and a positioning structure 700.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 and 2, the battery case of the prior art includes a case frame 1, a cooling plate 2, a structural sealant 3, a foam sealing ring 4, and screws 5, where the case frame 1 is a frame structure, and the cooling plate 2 is mounted on one side of the case frame 1 and closes a frame hole of the case frame 1 to form a case structure. The structural sealant 3 and the foaming sealing ring 4 are arranged between the box frame 1 and the cooling plate 2 to seal the joint of the box frame 1 and the cooling plate 2. The cooling plate 2 is fastened to the case frame 1 by screws 5.

Referring to fig. 3 to 4, a jig for producing a battery case is used to combine a case frame 1 and a cooling plate 2. It should be understood that "combination" means a state in which the case frame 1 and the cooling plate 2 are brought into contact in a predetermined relative fitting position to form the screws 5 to be fitted. The production jig described above includes: the cooling device comprises a machine base 100, a box frame placing seat 200, a cooling plate placing seat 300, a joint fastening device 400, a driving device 500, a fastening device 600 and a positioning structure 700.

The box frame seat 200 is disposed on the base 100, and the base 100 is disposed with a positioning structure 700 for positioning the box frame 1. The cooling plate seat 300 is disposed on the base 100 and movably disposed with respect to the box frame seat 200, the cooling plate seat 300 can be close to and far away from the box frame seat 200, and the cooling plate seat 300 is provided with a cooling plate attaching surface 310. The fitting fastening device 400 is disposed on the cooling plate seating portion 300 and configured to apply a force to the cooling plate 2 seated on the cooling plate seating surface 310, which is in contact with the cooling plate seating surface 310. The driving device 500 is disposed on the base 100 and is used for driving the cooling plate seat 300 to move relative to the box frame seat 200. The driving device 500 can drive the cooling plate placing seat 300 to be close to the box frame placing seat 200, so that the cooling plate 2 placed on the cooling plate placing seat 300 can be abutted against the box frame 1 placed on the box frame placing seat 200, thereby realizing the combination of the cooling plate 2 and the box frame 1. The fastener 600 is used to further fix the tank frame 1 and the cooling plate 2 together.

Referring to fig. 5, in assembling, the box frame 1 is set on the box frame setting seat 200, and the box frame 1 is positioned by the positioning structure 700. The structural sealant 3 and the foamed sealing ring 4 are mounted to the tank frame 1.

Referring to fig. 6, the cooling plate seating part 300 is first separated from the cabinet seating part 200 by the driving means 500.

Referring to fig. 7, the cooling plate 2 is mounted on the cooling plate mounting surface 310 of the cooling plate mounting base 300, and the cooling plate 2 is attached and fastened to the cooling plate mounting surface 310 by the attachment and fastening device 400.

Referring to fig. 8, the driving device 500 makes the cooling plate placing base 300 close to the box frame placing base 200, so that the cooling plate 2 abuts against the box frame 1 to complete the combination, and the structural sealant 3 and the foamed sealing ring 4 are also compressed.

Referring to fig. 9, the case frame 1 and the cooling plate 2 are fastened by the fastener 600 so that the case frame 1 and the cooling plate 2 are more firmly combined, and then the process of screwing may be performed.

The production clamp of the battery box body can enable the cooling plate 2 to be tightly attached to the cooling plate attaching surface 310 through the action of the attaching and fastening device 400, so that the flatness of the cooling plate 2 can be corrected; meanwhile, in the process of screwing the cooling plate 2 and the box frame 1 after combination, the cooling plate 2 can be tightly attached to the cooling plate attaching surface 310, so that the deformation degree of the cooling plate 2 caused by screwing can be reduced.

In the embodiment, the cooling plate placing seat 300 is provided with a plurality of yielding grooves, and the longitudinal rods and the transverse rods inside the box frame 1 can be yielded through the yielding grooves. In an embodiment, the relief groove also divides the cooling plate attaching surface 310 into separate surfaces.

In an embodiment, the cooling plate seating part 300 is liftably installed on the base 100, the box frame seating part 200 is fixedly installed on the base 100, and the driving device 500 is configured as a lifting driver connected to the cooling plate seating part 300. The cooling plate placing seat 300 is close to and far away from the box frame placing seat 200 by adopting a lifting mode, the structure is simple, and the cooling plate 2 is also convenient to place. Of course, it is contemplated that in other embodiments, the cooling plate seat 300 may move closer to and further away from the frame seat 200, such as by moving laterally or flipping rotationally. In the embodiment, the lifting driver may specifically adopt a driving device such as an air cylinder, an electric cylinder, and the like.

In the embodiment, the cooling plate seat 300 is movably connected to the base 100 by the cooperation of the guide rod and the sliding sleeve, so that the cooling plate seat can move relative to the box frame seat 200, and the guiding precision is high. Specifically, the guide rod is disposed on the cooling plate seat 300, the sliding sleeve is disposed on the base 100, and the guide rod is slidably disposed on the sliding sleeve. Of course, it is conceivable that the sliding bush is provided to the cooling plate seating part 300 and the housing 100 is provided with the guide bar. When the cooling plate placing seat 300 moves in a lifting mode, the guide rod and the sliding sleeve are vertically arranged. In other embodiments, the cooling plate seat 300 can also be moved closer to and away from the box frame seat 200 by other movable connection methods, such as a sliding slot and a sliding block, that is, a sliding slot and a sliding block adapted to the sliding slot are correspondingly disposed between the cooling plate seat 300 and the machine base 100.

In the embodiment, the box frame seating portion 200 is fixedly installed on the base 100, and the cooling plate seating portion 300 is movably installed with respect to the base 100, so that the cooling plate seating portion 300 is movable with respect to the box frame seating portion 200. Of course, it is conceivable that the cooling plate placement base 300 may be fixedly disposed with respect to the housing 100, and the box frame placement base 200 may be movably disposed with respect to the housing 100, and the cooling plate placement base 300 may be movably disposed with respect to the box frame placement base 200, and when the box frame placement base 200 is movably disposed, a specific arrangement may be made with reference to the embodiment of the cooling plate placement base 300 that realizes the movement.

In the embodiment, the cooling plate holder 300 is close to the box frame holder 200, so that the cooling plate 2 is abutted against the box frame 1, thereby realizing the combination of the two. So, can make the cooling plate 2 whole can compress tightly in case frame 1 through drive arrangement 500 to compress tightly sealed 3 of structure and foaming sealing washer 4, thereby offset the resilience of sealed 3 of structure and foaming sealing washer 4 when beating the screw, reduce the degree of C shape deformation when beating the screw. In the embodiment, the combination of the cooling plate 2 and the box frame 1 is a dynamic combination, but it is understood that, in other embodiments, alternatively, a static combination mode may also be adopted, that is, the cooling plate placing seat 300 is fixedly disposed relative to the box frame placing seat 200, and the positions of the cooling plate placing seat 300 and the box frame placing seat 200 are configured in the specific implementation, so that the cooling plate 2 and the box frame 1 are in a combined state when respectively placed on the cooling plate placing seat 300 and the box frame placing seat 200.

In an embodiment, the attaching fastening means 400 is configured as a vacuum suction structure for attaching the cooling plate 2 to the cooling plate attaching surface 310, and the vacuum suction structure is disposed on the cooling plate seating base 300. In the above structure, the vacuum suction structure mainly generates a vacuum suction force to act on the cooling plate 2, so that the cooling plate 2 can be attached and fastened to the cooling plate attachment surface 310. Adopt vacuum adsorption's mode, the structure sets up conveniently, can not occupy 2 upside spaces of cooling plate, appears interfering when avoiding beating the screw. In other embodiments, the attaching and fastening device 400 may also have other structures so that the cooling plate 2 can be attached and fastened to the cooling plate attaching surface 310, for example, a clamp is provided to press the cooling plate 2 against the cooling plate attaching surface 310, and of course, a person skilled in the art can also perform the specific setting of the attaching and fastening device 400 according to actual situations as long as the attaching and fastening device 400 can generate a force acting on the cooling plate 2 and attaching the cooling plate 2 to the cooling plate attaching surface 310.

Referring to fig. 10 and 4, in the embodiment, the vacuum pumping structure includes a suction member 410 and a suction pipe 420 connected to the suction member 410, the cooling plate attachment surface 310 is provided with an avoiding hole 320, and the suction member 410 is disposed in the avoiding hole 320. The vacuum suction structure with the structure has the advantages of simple structure and easy implementation. In an embodiment, the suction members 410 are disposed in a plurality and uniformly distributed on the cooling plate attaching surface 310, so as to achieve a uniform suction function. Of course, in other embodiments, the vacuum suction structure may be another structure without being limited to the above-mentioned embodiment, for example, the cooling plate bonding surface 310 is provided with a suction hole and connected with an air suction pipe, so that the cooling plate 2 is sucked by the suction hole, thereby achieving the function of bonding and fastening.

In the embodiment, the fastener 600 is provided in plurality and arranged around the cooling plate seating base 300, so that it can be used to fasten the circumferential position of the case frame 1 and the cooling plate 2 when they are combined, to improve the quality of screwing. In other embodiments, fastener 600 may be an optional component in some less demanding applications.

Referring to fig. 11, in an embodiment, the fastener 600 includes a pressing claw 610 and a pressing claw driver 620, the base 100 is provided with the coupling socket 110 corresponding to the fastener 600 one to one, the pressing claw driver 620 is provided to the coupling socket 110, and the pressing claw 610 is connected to the pressing claw driver 620. When the cooling plate 2 and the box frame 1 are combined, the pressing claw 610 is driven to press down by the pressing claw driver 620, and the cooling plate 2 is pressed against the box frame 1. In an embodiment, the pressing claw driver 620 may employ a clamping cylinder. Of course, it is conceivable that the pressing claw driver 620 may be any other suitable driver structure capable of driving the pressing claw 610 to press down and release, such as a cylinder-coupled linkage mechanism, and the like, and those skilled in the art can select the driving mechanism according to the actual situation. In other embodiments, the fastener 600 may also adopt other suitable structures without being limited to the above embodiments, such as a clamping cylinder, through which the cooling plate 2 and the box frame 1 are clamped and fastened.

In the embodiment, the connection sockets 110 are provided with the box frame seating seat 200, and the box frame seating seat 200 is embodied as a block body, and the box frame seating seat 200 is provided at each connection socket 110, thereby supporting the box frame 1. The connecting seat 110 is provided with the fastener 600 and the box frame placing seat 200 at the same time, and the structure is compact and simple. In order to support the longitudinal and transverse beams in the middle of the box frame 1, the box frame seat 200 is also disposed in the middle of the machine base 100, and the box frame seat 200 is disposed on the machine base 100 through another connecting seat.

In an embodiment, the positioning structure 700 for positioning the box frame 1 specifically includes a main positioning pin and an auxiliary positioning pin, and the main positioning pin and the auxiliary positioning pin are respectively matched with the positioning holes corresponding to the box frame 1, so as to position the box frame 1 and prevent the box frame from moving randomly in the assembling process. It is conceivable that the positioning structure 700 may also be other structures, such as a positioning hole, which is matched with a positioning pin preset in the box frame 1 to realize positioning; or may be a positioning groove with which the case frame 1 is positioned. The skilled person can arrange a reasonable positioning structure 700 to position the box frame 1 according to practical situations and is not limited to the above-mentioned embodiments. In addition, in order to improve the assembly accuracy, the cooling plate 2 may be positioned by providing a positioning structure in the cooling plate placement base 300, and if the box frame 1 itself has a structure for positioning the cooling plate 2, it is not necessary to provide a positioning structure for the cooling plate 2 in the cooling plate placement base 300.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A production jig for a battery case for combining a case frame (1) and a cooling plate (2), characterized by comprising:

a frame (100);

a box frame mounting seat (200) arranged on the machine base (100);

the cooling plate placing seat (300) is arranged on the machine base (100), and the cooling plate placing seat (300) is provided with a cooling plate attaching surface (310); the cooling plate (2) disposed on the cooling plate attaching surface (310) is combinable with the cabinet frame (1) disposed on the cabinet frame attaching seat (200);

a conformable fastening device (400) configured to apply a force to the cooling plate (2) disposed on the cooling plate conforming surface (310) conforming to the cooling plate conforming surface (310).

2. The battery box production jig according to claim 1, wherein the cooling plate placement seat (300) is movably disposed relative to the box frame placement seat (200) and can be close to and away from the box frame placement seat (200), the machine base (100) is provided with a driving device (500) for driving the cooling plate placement seat (300) to move relative to the box frame placement seat (200), and the driving device (500) can drive the cooling plate placement seat (300) to be close to the box frame placement seat (200), so that the cooling plate (2) disposed on the cooling plate placement seat (300) can be abutted against the box frame (1) disposed on the box frame placement seat (200).

3. The battery box production jig according to claim 2, wherein the cooling plate seating base (300) is liftably provided to the base (100), the box frame seating base (200) is fixedly provided to the base (100), and the driving device (500) is configured as a lifting driver connected to the cooling plate seating base (300).

4. The production jig of the battery box according to claim 3, characterized in that one of the cooling plate seating base (300) and the base (100) is provided with a guide rod, and the other is provided with a sliding sleeve, the guide rod is vertically disposed, and the guide rod is slidably connected to the sliding sleeve.

5. The jig for producing battery cases according to claim 1, wherein the attaching fastening means (400) is configured as a vacuum suction structure for attaching the cooling plate (2) to the cooling plate attaching surface (310), the vacuum suction structure being provided to the cooling plate seating seat (300).

6. The production jig for the battery box body according to claim 5, wherein the vacuum suction structure comprises a suction disc piece (410) and a suction pipe (420) connected with the suction disc piece (410), the cooling plate attaching surface (310) is provided with a relief hole (320), and the suction disc piece (410) is arranged in the relief hole (320).

7. The production jig for battery cases according to claim 1, further comprising a fastener (600) capable of fixing the case frame (1) and the cooling plate (2) together.

8. The production jig for battery cases as set forth in claim 7, wherein said fasteners (600) are provided in plurality and arranged around said cooling plate seat (300).

9. The production jig for the battery case according to claim 8, wherein the fastener (600) comprises a pressing claw (610) and a pressing claw driver (620), the base (100) is provided with a connecting seat (110) corresponding to the fastener (600) one by one, the pressing claw driver (620) is provided with the connecting seat (110), and the pressing claw (610) is connected with the pressing claw driver (620).

10. The production jig for battery cases according to claim 1, characterized in that the base (100) is provided with a positioning structure (700) for positioning the case frame (1).