CN220762672U

CN220762672U - Clamping jaw structure and clamping device

Info

Publication number: CN220762672U
Application number: CN202322406932.3U
Authority: CN
Inventors: 陶鹏
Original assignee: Jiangsu Zenio New Energy Battery Technologies Co Ltd
Current assignee: Jiangsu Zenio New Energy Battery Technologies Co Ltd
Priority date: 2023-09-05
Filing date: 2023-09-05
Publication date: 2024-04-12
Anticipated expiration: 2033-09-05

Abstract

The utility model relates to the technical field of clamping equipment, and particularly discloses a clamping jaw structure and a clamping device, wherein the clamping jaw structure comprises: the clamping jaw base body comprises a lifting part, the lifting part is provided with a first end and a second end which are oppositely arranged along the horizontal direction, and the lifting part is provided with a flat supporting surface (211); the rotating piece is provided with an upper end which is close to the flat supporting surface (211), and the upper end of the rotating piece is rotationally connected with the first end of the lifting part; the upper end of the rotating piece is provided with a guide surface; the rotating member has an initial state and a final state; in the initial state, the included angle between the guide surface and the plane support surface (211) is more than 180 DEG and less than 270 DEG; in the end state, the angle between the guide surface and the flat support surface (211) is greater than or equal to 90 DEG and less than or equal to 180 DEG; and the overturning driving assembly drives the rotating piece to overturn so that the rotating piece is switched between an initial state and a terminal state.

Description

Clamping jaw structure and clamping device

Technical Field

The utility model relates to the technical field of clamping equipment, in particular to a clamping jaw structure and a clamping device.

Background

The lithium ion battery has high energy density and high average output voltage. Small self-discharge, excellent cycle performance, rapid charge and discharge, high charge efficiency up to 100%, high output power and long service life. Does not contain toxic and harmful substances, and is called a green battery. The device is suitable for large-scale electric energy storage and has wide application in the fields of electric automobiles, hybrid power devices, ship rail transit and the like.

The current design of the battery cell has an expanding trend, and the size and the weight of the battery cell exceed the load of a conventional clamping device for the large battery cell, so that the problems of falling, crashing, clamping deformation and the like of the large battery cell easily occur in the process of transferring the large battery cell by using a conventional clamp.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a clamping jaw structure and a clamping device, which solve the problem that clamping deformation or surface clamping damage is easily caused by clamping jaws in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

a jaw structure comprising:

the clamping jaw base body comprises a lifting part, wherein the lifting part is provided with a first end and a second end which are oppositely arranged along the horizontal direction, and the lifting part is provided with a flat supporting surface;

the rotating piece is provided with an upper end which is close to the flat supporting surface, and the upper end of the rotating piece is rotatably connected with the first end of the lifting part; the upper end of the rotating piece is provided with a guide surface; the rotating member has an initial state and a final state; in an initial state, an included angle between the guide surface and the flat supporting surface is larger than 180 degrees and smaller than 270 degrees; in the end state, the included angle between the guide surface and the flat supporting surface is more than or equal to 90 degrees and less than or equal to 180 degrees;

and the overturning driving assembly drives the rotating piece to overturn so that the rotating piece is switched between an initial state and a terminal state.

Optionally, in the end state, the guide surface and the flat supporting surface are located on the same plane.

Optionally, in the end state, the guide surface and the flat support surface are parallel to each other.

Optionally, the clamping jaw base body further comprises a connecting portion, the connecting portion and the lifting portion are perpendicular to each other, and the connecting portion is fixedly arranged at the second end of the lifting portion.

Optionally, the overturning driving assembly includes a driving rod and a driving assembly, the end face of the first end of the lifting part is provided with a driving rod sliding groove, the driving rod is slidably inserted into the driving rod sliding groove, and one end of the driving rod is connected with the driving assembly, so that the driving assembly drives the driving rod to slide relative to the driving rod sliding groove; the other end of the driving rod is opposite to the rotating piece.

Optionally, the driving assembly comprises an elastic piece and a pushing ball, the clamping jaw base body is provided with an air channel, and the air channel is communicated with the driving rod sliding groove; the pushing ball is movably arranged in the air passage, and is connected with the driving rod through the elastic piece.

The utility model also provides a clamping device for clamping the battery cell, which comprises at least one group of clamps and a tray for bearing the battery cell, wherein each group of clamps comprises two clamping jaw structures which are oppositely arranged.

Optionally, when the battery cell is a winding type battery cell, two ends of the tray corresponding to the winding type battery cell in the first direction are both provided with clamping jaw clearance grooves, so that a rotating piece of the clamping jaw structure extends between the winding type battery cell and the bottoms of the clamping jaw clearance grooves.

Optionally, when the battery cell is a laminated battery cell, two ends of the tray corresponding to the first direction of the laminated battery cell and two ends of the tray corresponding to the second direction of the laminated battery cell are respectively provided with a clamping jaw clearance groove, so that a rotating piece of the clamping jaw structure extends between the laminated battery cell and the bottom of the clamping jaw clearance groove; the first direction and the second direction are both horizontal directions, and the first direction and the second direction are mutually perpendicular.

Optionally, each set of said clamps further comprises a drive for controlling the simultaneous movement of two of said jaw arrangements towards or away from each other.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model provides a clamping jaw structure and a clamping device, wherein when the clamping jaw structure is used, a rotary piece can be driven to be converted and adjusted between an initial state and a final state by turning over a driving assembly; when the electric core is required to be grabbed, the rotating piece is firstly adjusted to an initial state through the overturning driving assembly, and the guide surface can incline downwards relative to the flat supporting surface, so that the lifting part of the clamping jaw base body can extend into the bottom of the electric core under the action of the guide surface; then the rotating piece is adjusted to a final state from an initial state through the overturning driving assembly, and the lifting part and the rotating piece jointly support the battery cell at the moment so as to realize the grabbing work of the battery cell; the clamping jaw structure is convenient to realize lifting and transferring operation on the battery cell, and clamping force can not be generated on the battery cell, so that the clamping jaw substrate can be prevented from clamping and damaging the surface of the battery cell or from clamping and deforming the battery cell, and the battery cell quality is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of a clamping jaw structure provided by the utility model;

FIG. 2 is a front view of the jaw structure provided by the present utility model, with the guide surface coplanar with the flat support surface;

FIG. 3 is a schematic diagram of a clamping device according to the present utility model;

fig. 4 is a schematic cross-sectional view of the clamping device in the Y direction, where the battery cell is a winding type battery cell;

fig. 5 is a schematic cross-sectional view of the clamping device provided by the utility model in the X direction.

In the above figures: 1. a battery cell; 11. a pole; 2. a jaw base; 21. a lifting part; 211. a flat supporting surface; 22. an air path channel; 23. a connection part; 3. a rotating member; 31. a guide surface; 4. a flip drive assembly; 41. a driving rod; 42. pushing the ball; 43. an elastic member; 7. a tray; 71. the clamping jaw keeps away the empty slot.

Detailed Description

In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the embodiments described below are only some embodiments of the present utility model, not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. Wherein the exemplary embodiments are described as processes or methods depicted as flowcharts; although a flowchart depicts various operations or step processes as a certain order, many of the operations or steps can be performed in parallel, concurrently or simultaneously, and the order of the various operations can be rearranged. When its operations or steps are completed, the corresponding process may be terminated, and there may be additional steps not included in the drawings. The processes described above may correspond to methods, functions, procedures, subroutines, and the like, and embodiments of the utility model and features of the embodiments may be combined with one another without conflict.

The term "comprising" and variants thereof as used herein is intended to be open ended, i.e., including, but not limited to. The term "based on" is based at least in part on. The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings; it is to be understood that for convenience of description, only some, but not all of the structures relevant to the present utility model are shown in the drawings.

Referring to fig. 1 and 2 in combination, an embodiment of the present utility model provides a clamping jaw structure, including:

a jaw base 2, the jaw base 2 including a lifting portion 21, the lifting portion 21 having a first end and a second end disposed opposite in a horizontal direction, the lifting portion 21 having a flat supporting surface 211;

a rotating member 3, the rotating member 3 having an upper end disposed adjacent to the flat supporting surface 211, the upper end of the rotating member 3 being rotatably connected to the first end of the lifting portion 21; the upper end of the rotating piece 3 is provided with a guide surface 31; the rotary member 3 has an initial state and a final state; in the initial state, the included angle between the guide surface 31 and the flat supporting surface 211 is more than 180 degrees and less than 270 degrees; in the end state, the angle between the guide surface 31 and the flat supporting surface 211 is greater than 90 ° and less than or equal to 180 °;

and a flip drive assembly 4, wherein the flip drive assembly 4 drives the rotating member 3 to flip so that the rotating member 3 is switched between an initial state and a final state.

According to the scheme, when the rotary member 3 is used, the rotary member 3 can be driven to be switched and adjusted between the initial state and the end state by turning the driving assembly 4; when the battery core 1 needs to be grabbed, the adaptor 3 is adjusted to an initial state by the overturning driving assembly 4, and the guiding surface 31 is inclined downwards relative to the flat supporting surface 211; then the clamping jaw base body 2 is controlled to work, so that the lifting part 21 of the clamping jaw base body 2 stretches into the lower part of the battery cell 1 under the action of the guide surface 31, then the rotating piece 3 is adjusted from an initial state to a final state through the overturning driving assembly 4, at the moment, the lifting part 21 and the rotating piece 3 jointly support the battery cell 1, and an included angle between the guide surface 31 of the rotating piece 3 and the flat supporting surface 211 of the lifting part 21 in the final state is only between 90 degrees and 180 degrees, and the rotating piece 3 can support the battery cell 1. Use the clamping jaw structure of this application be convenient for realize lifting the transfer operation to electric core 1, and can not produce clamping force to electric core 1 to can avoid clamping jaw base member 2 centre gripping to damage electric core surface or avoid warping electric core centre gripping, in order to do benefit to the promotion battery quality.

In addition, the grabbing of the battery cell 1 may be implemented only by the rotating member 3, that is, when the rotating member 1 is in the initial state, the rotating member 3 extends into the lower portion of the battery cell 1, the guiding surface 31 of the rotating member 3 contacts with the battery cell 1, and then the rotating member 3 is controlled to be in the end state, and at this time, the guiding surface 31 of the rotating member 3 can lift the battery cell 1.

It should be noted that, referring to fig. 2, the angle between the guide surface 31 of the rotating member 3 and the flat supporting surface 211 of the lifting portion 21 is calculated based on the flat supporting surface 211 of the lifting portion 21 being 0 °, and then the guide surface 31 of the rotating member 3 is turned in the counterclockwise direction from the initial state to the final state.

In this embodiment, in the end state, the guide surface 31 and the flat supporting surface 211 are located on the same plane; that is, the angle between the guide surface 31 of the control adapter and the flat supporting surface 211 of the lifting part 21 is 180 °, and at this time, the guide surface 31 and the flat supporting surface 211 support the battery cell together, so that the battery cell is more stable to be lifted.

In this other embodiment, in the end state, the guide surface 31 and the flat supporting surface 211 are parallel to each other, that is, the angle between the guide surface 31 of the rotating member 3 and the flat supporting surface 211 of the lifting portion 21 is controlled to be 180 °, that is, the guide surface 31 and the flat supporting surface 211 have a distance in the direction perpendicular to the flat supporting surface 211, so that only the flat supporting surface 211 supports the battery cell at this time, and if the rotating member 3 and the flat supporting surface 211 of the lifting portion 21 support the battery cell together, it is necessary to further control the rotating member 3 to turn clockwise until the rotating member 3 contacts the battery cell.

In some embodiments, in order to facilitate the installation of the clamping jaw base 2 onto the clamping device so as to achieve the clamping requirement, the clamping jaw base 2 further includes a connecting portion 23, the connecting portion 23 and the lifting portion 21 are disposed perpendicular to each other, and the connecting portion 23 is fixedly disposed at the second end of the lifting portion 21; the connection portion 23 may be integrally formed with the lifting portion 21, or may be detachably connected to the lifting portion 21.

In some embodiments, in order to facilitate driving adjustment of the rotating member 3, so as to facilitate rotating adjustment of the rotating member 3 to an initial state or a final state, thereby meeting the use requirement, the overturning driving assembly 4 includes a driving rod 41 and a driving assembly, the end surface of the first end of the lifting portion 21 is provided with a driving rod sliding groove, the driving rod 41 is slidably inserted into the driving rod sliding groove, and one end of the driving rod 41 is connected with the driving assembly, so that the driving assembly drives the driving rod 41 to slide relative to the driving rod sliding groove; the other end of the driving lever 41 is disposed opposite to the rotating member 3.

It should be noted that, when the rotating member 3 is in the initial state, the other end of the driving rod 41 may contact with the rotating member 3, or even the other end of the driving rod 41 may extend into a track groove provided on a side surface of the rotating member 3 opposite to the driving rod 41, so that the driving rod 41 is slidably engaged with the track groove when the rotating member 3 is turned back and forth between the initial state and the end state, and the rotating member 3 is turned more reliably.

Further, in order to facilitate the driving adjustment of the driving rod 41, so that the driving rod 41 drives the rotating member 3 to rotate, thereby meeting the use requirement, the driving assembly comprises an elastic member 43 and a push ball 42, the clamping jaw base body 2 is provided with an air channel 22, and the air channel 22 is communicated with a driving rod sliding groove; the pushing ball 42 is movably arranged in the air channel 22, and the pushing ball 42 is connected with the driving rod 41 through an elastic piece 43.

In this embodiment, the air channel 22 is communicated with an external air source, and positive air pressure or negative air pressure is provided by the external air source, so that the push ball 42 can be driven to move on the air channel 22 near to or far from the rotating member 3, and the driving rod 41 can be driven to move integrally, so that the rotating member 3 rotates to meet the use requirement. Meanwhile, through the ball pushing 42 with the spherical structure, the integral contact surface between the ball pushing 42 and the air channel 22 can be reduced, so that the friction between the ball pushing 42 and the air channel 22 can be effectively reduced, and the driving adjustment smoothness of the ball pushing 42 is improved, so that the ball pushing device is convenient to adjust and use. The elastic member 43 is preferably a compression spring, and both ends of the compression spring may be connected to the push ball 42 and the first end of the driving lever 41, respectively, by welding.

It will be appreciated that the push ball 42 may also be automatically driven and adjusted by means of a pneumatic cylinder, so as to meet the requirements of use. The rotating member 3 may be connected to the end of the lifting portion 21 by a hinge or a connection member such as a hinge to satisfy the use requirement.

The driving unit may be any structure capable of driving the driving rod to slide along the driving rod 41 in the sliding groove, for example, an electric telescopic rod.

Referring to fig. 3 to 5, the embodiment of the utility model further provides a clamping device for clamping the battery cell 1, which comprises at least one group of clamps and a tray 7 for carrying the battery cell 1, wherein each group of clamps comprises two clamping jaw structures which are oppositely arranged, so that the clamping jaw substrates 21 are arranged around the battery cell 1, and further the risk that the battery cell 1 is separated from the clamping jaw substrates 21 in the transferring process can be effectively avoided, and normal transferring operation of the battery cell 1 can be ensured.

In the embodiment, the middle part of the tray 7 is a battery cell bearing part, the battery cell 1 is placed on the battery cell bearing part, and a clamping jaw clearance groove 71 is arranged on the periphery of the battery cell bearing part so as to facilitate the rotating piece 3 to extend into between the battery cell 1 and the bottom of the clamping jaw clearance groove 71 through the clamping jaw clearance groove 71; in particular with respect to the position in which the jaw clearance groove 71 is provided:

the surfaces, which are used for being contacted with the battery cell bearing parts, of the two ends of the winding type battery cell in the second direction are cambered surfaces, so that the rotating piece 3 can smoothly extend to the lower part of the battery cell; the surfaces, which are used for being contacted with the battery cell bearing parts, of the two ends of the first direction of the winding type battery cell are all planes, so that the rotating piece 3 can extend to the lower part of the battery cell, when the battery cell 1 is the winding type battery cell, the two ends, corresponding to the first direction of the winding type battery cell, of the tray 7 are provided with clamping jaw clearance grooves 71, and the rotating piece 3 of the clamping jaw structure extends between the winding type battery cell and the groove bottoms of the clamping jaw clearance grooves 71;

because the lamination type battery cell is cuboid or square, the surface that is used for contacting with the battery cell bearing part in the both ends of lamination type battery cell first direction and the both ends of second direction is the plane, consequently, can influence rotation piece 3 and stretch to the below of battery cell, when electric core 1 is lamination type battery cell, tray 7 corresponds lamination type battery cell first direction's both ends and tray 7 corresponds lamination type battery cell second direction's both ends all are provided with clamping jaw and keep away empty groove 71, and wherein, first direction and second direction are the horizontal direction, and first direction and second direction mutually perpendicular.

The first direction is referred to as the X direction, and the second direction is referred to as the Y direction.

Specifically regarding the structure of the clamping jaw clearance groove 71, the clamping jaw clearance groove 71 includes a first groove and a second groove communicated with the first groove, the first groove is formed by inward concave of a surface of the tray 7 for contacting with the battery cell, and the second groove is formed by inward concave of a groove bottom of the first groove corresponding to the end part of the battery cell; here, the bottom of the second groove is inclined downwards from the end close to the first groove, so that the processing amount of the clamping jaw clearance groove 71 can be reduced while the clearance of the clamping jaw structure is met, and further the processing cost can be reduced, so that the use is facilitated.

Further, in order to facilitate driving control of the jaw structures to meet the use requirements of simultaneously gripping or simultaneously releasing the core, each set of clamps further includes a driver for controlling the two jaw structures to simultaneously move toward or away from each other.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A jaw structure, comprising:

a jaw base (2), the jaw base (2) comprising a lifting portion (21), the lifting portion (21) having a first end and a second end disposed opposite in a horizontal direction, the lifting portion (21) having a flat supporting surface (211);

a rotating member (3), wherein the rotating member (3) has an upper end disposed near the flat supporting surface (211), and the upper end of the rotating member (3) is rotatably connected to the first end of the lifting portion (21); the upper end of the rotating piece (3) is provided with a guide surface (31); the rotating member (3) has an initial state and a final state; in an initial state, the included angle between the guide surface (31) and the flat supporting surface (211) is more than 180 degrees and less than 270 degrees; in the end state, the angle between the guide surface (31) and the flat supporting surface (211) is greater than or equal to 90 DEG and less than or equal to 180 DEG;

and the overturning driving assembly (4) drives the rotating piece (3) to overturn so that the rotating piece (3) is switched between an initial state and a terminal state.

2. A jaw structure according to claim 1, characterized in that in the end state, the guide surface (31) and the flat supporting surface (211) lie in the same plane.

3. A jaw structure according to claim 1, characterized in that in the end state, the guide surface (31) and the flat support surface (211) are parallel to each other.

4. The clamping jaw structure according to claim 1, wherein the clamping jaw base body (2) further comprises a connecting portion (23), the connecting portion (23) and the lifting portion (21) are arranged perpendicular to each other, and the connecting portion (23) is fixedly arranged at the second end of the lifting portion (21).

5. A jaw structure according to claim 1, characterized in that the flip drive assembly (4) comprises a drive rod (41) and a drive assembly, the end face of the first end of the lifting part (21) is provided with a drive rod sliding groove, the drive rod (41) is slidably arranged in the drive rod sliding groove in a penetrating manner, and one end of the drive rod (41) is connected with the drive assembly so that the drive assembly drives the drive rod (41) to slide relative to the drive rod sliding groove; the other end of the driving rod (41) is opposite to the rotating piece (3).

6. The clamping jaw structure according to claim 5, wherein the driving assembly comprises an elastic piece (43) and a pushing ball (42), the clamping jaw base body (2) is provided with an air passage (22), and the air passage (22) is communicated with the driving rod sliding groove; the pushing ball (42) is movably arranged in the air passage (22), and the pushing ball (42) is connected with the driving rod (41) through the elastic piece (43).

7. Clamping device for clamping a battery cell (1), characterized by comprising at least one set of clamps and a tray (7) for carrying battery cells (1), each set of said clamps comprising two jaw structures according to any one of claims 1 to 6 arranged opposite each other.

8. Clamping device according to claim 7, characterized in that when the battery cell (1) is a winding battery cell, clamping jaw clearance grooves (71) are formed at both ends of the tray (7) corresponding to the winding battery cell in the first direction, so that the rotating piece (3) of the clamping jaw structure extends between the winding battery cell and the groove bottoms of the clamping jaw clearance grooves (71).

9. The clamping device according to claim 7, wherein when the battery cell (1) is a laminated battery cell, clamping jaw clearance grooves (71) are formed at both ends of the tray (7) corresponding to the first direction of the laminated battery cell and both ends of the tray (7) corresponding to the second direction of the laminated battery cell, so that a rotating piece (3) of a clamping jaw structure extends between the laminated battery cell and the groove bottom of the clamping jaw clearance grooves (71); the first direction and the second direction are both horizontal directions, and the first direction and the second direction are mutually perpendicular.

10. The clamping device of claim 7, wherein each set of clamps further comprises a driver for controlling the simultaneous movement of the two jaw structures toward or away from each other.