CN221114991U - Positioning device - Google Patents

Abstract

The utility model provides a positioning device, comprising: the positioning structure comprises a first positioning piece and a second positioning piece which are oppositely arranged, and the first positioning piece and the second positioning piece are movably arranged on the support frame so as to position or avoid the structure to be positioned; the first transmission structure and the second transmission structure are arranged between the first positioning piece and the second positioning piece, the first transmission structure is connected with the first positioning piece, the second transmission structure is connected with the second positioning piece, and the first transmission part of the first transmission structure and the second transmission part of the second transmission structure are oppositely arranged. By the technical scheme provided by the utility model, the technical problem that the battery cell in the prior art is easy to shift in position in the transportation process can be solved.

Description

Positioning device

Technical Field

The utility model relates to the technical field of positioning devices of electric cores, in particular to a positioning device.

Background

At present, in a production line of a battery module in the prior art, a plurality of battery cells are often required to be transported to a designated position, so that the battery cells are assembled into the battery module later.

However, during the transportation of the battery cell, the battery cell needs to be placed on the conveying portion, and the position of the battery cell is often shifted due to the vibration of the conveying portion and the inertia of the battery cell. Therefore, accurate positioning of the battery cell is not facilitated, follow-up clamping and transferring of the battery cell are also not facilitated, and accordingly production efficiency is reduced.

Disclosure of utility model

The utility model mainly aims to provide a positioning device to solve the technical problem that a battery cell in the prior art is easy to shift in position in the transportation process.

In order to achieve the above object, the present utility model provides a positioning device comprising:

The positioning structure comprises a first positioning piece and a second positioning piece which are oppositely arranged, and the first positioning piece and the second positioning piece are movably arranged on the support frame so as to position or avoid the structure to be positioned;

The first transmission structure and the second transmission structure are arranged between the first positioning piece and the second positioning piece, the first transmission structure is connected with the first positioning piece, the second transmission structure is connected with the second positioning piece, and the first transmission part of the first transmission structure and the second transmission part of the second transmission structure are oppositely arranged;

The pushing piece moves along the direction approaching or separating from the first transmission part and the second transmission part, so that the pushing piece stretches into the space between the first transmission part and the second transmission part and pushes the first transmission part and the second transmission part to move back or avoid the first transmission part and the second transmission part;

And the reset structure is connected with at least one of the first transmission structure and the second transmission structure so as to reset at least one of the first transmission structure and the second transmission structure.

Further, the reset structure includes:

One end of the first reset piece is connected with at least part of the first transmission structure, and the other end of the first reset piece is connected with the support frame so as to reset the first transmission structure through the first reset piece when the pushing piece avoids the first transmission part and the second transmission part; and/or the number of the groups of groups,

And one end of the second reset piece is connected with at least part of the second transmission structure, and the other end of the second reset piece is connected with the support frame so as to reset the second transmission structure through the second reset piece when the pushing piece avoids the first transmission part and the second transmission part.

Further, the support frame comprises a first support plate, a second support plate and a third support plate which are sequentially connected, the first support plate and the third support plate are oppositely arranged on two sides of the second support plate, and the first transmission structure and the second transmission structure are movably arranged between the first support plate and the third support plate; wherein,

The first reset piece is a first reset spring, and the other end of the first reset spring is connected with the first supporting plate; and/or the number of the groups of groups,

The second reset piece is a second reset spring, and the other end of the second reset spring is connected with the second supporting plate.

Further, the positioning device further comprises a first limiting part, the first limiting part and the first reset piece are arranged at intervals, a second limiting part matched with the first limiting part is arranged on the first transmission structure, and the second limiting part and at least part of the first limiting part are oppositely arranged, so that the second limiting part and the first limiting part are in abutting limiting; and/or the number of the groups of groups,

The positioning device further comprises a third limiting part, the third limiting part is arranged at intervals with the second reset piece, a fourth limiting part matched with the third limiting part is arranged on the second transmission structure, and at least part of the fourth limiting part and at least part of the third limiting part are oppositely arranged, so that the fourth limiting part and the third limiting part are in butt joint limiting.

Further, the first transmission structure comprises a first transmission part and a first roller, the first transmission part is movably arranged on the support frame, the first roller is rotatably arranged on the first transmission part, and the first roller forms a first transmission part; and/or the number of the groups of groups,

The second transmission structure comprises a second transmission part and a second roller, the second transmission part is movably arranged on the support frame, the second roller is rotatably arranged on the second transmission part, and the second roller forms a second transmission part.

Further, the pushing piece is provided with a first guiding inclined plane and a second guiding inclined plane, and the first guiding inclined plane is opposite to the first roller so as to guide the first roller through the first guiding inclined plane; the second guiding inclined plane is opposite to the second roller to guide the second roller through the second guiding inclined plane.

Further, the support frame comprises a first support plate, a second support plate and a third support plate which are sequentially connected, the first support plate and the third support plate are oppositely arranged on two sides of the second support plate, and the first transmission structure and the second transmission structure are movably arranged between the first support plate and the third support plate; the support frame still includes:

And the fourth supporting plate is arranged at intervals with the second supporting plate, two ends of the fourth supporting plate are respectively connected with the first supporting plate and the third supporting plate, the first transmission structure and the second transmission structure are arranged between the first supporting plate and the second supporting plate, and the first positioning piece and the second positioning piece are movably arranged on the fourth supporting plate in a penetrating mode.

Further, the positioning structure further includes:

The bearing piece is arranged on one side, far away from the second supporting plate, of the fourth supporting plate, is arranged between the first positioning piece and the second positioning piece and is matched with the shape of the structure to be positioned.

Further, the positioning device further includes:

The first guide piece is arranged on the support frame, extends along a preset direction, and is provided with a first guide part matched with the first guide piece on the first transmission structure so as to enable the first guide piece to be in guide fit with the first guide part; and/or the number of the groups of groups,

The second guide piece is arranged on the support frame, extends along the preset direction, and is provided with a second guide part matched with the second guide piece on the second transmission structure so as to enable the second guide piece to be in guide fit with the second guide part.

Further, the positioning device further includes:

the support frame is arranged on the mounting plate, a first avoiding hole is formed in the mounting plate, a second avoiding hole which is opposite to the first avoiding hole is formed in the support frame, and the first avoiding hole and the second avoiding hole are matched with the pushing piece;

the driving structure is arranged below the mounting plate and is in driving connection with the pushing piece, so that the driving structure pushes the pushing piece to penetrate through the first avoiding hole and the second avoiding hole and extend into the space between the first transmission part and the second transmission part.

By applying the technical scheme of the utility model, the structure to be positioned can be clamped, positioned or loosened conveniently through the action of the first positioning piece and the second positioning piece, so that the positioning stability of the battery cell is improved. Specifically, the pushing piece is controlled to move towards the direction close to the first transmission part and the second transmission part, and is made to extend into the space between the first transmission part and the second transmission part, so that the first transmission part and the second transmission part can move away from each other, a first positioning piece connected with the first transmission structure and a second positioning piece connected with the second transmission structure are made to move away from each other, so that the structure to be positioned is avoided, and the structure to be positioned is taken out from the space between the first positioning piece and the second positioning piece or is placed between the first positioning piece and the second positioning piece. When the structure to be positioned is required to be positioned, the pushing piece avoids the first transmission part and the second transmission part, so that at least one of the first transmission structure and the second transmission structure is reset through the reset structure, and the clamping and positioning of the structure to be positioned are realized.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view showing the overall structure of a positioning device according to an embodiment of the present utility model;

FIG. 2 shows a partially schematic, structural view of an angle of a positioning device provided in accordance with an embodiment of the utility model;

FIG. 3 illustrates a partial schematic view of a front view of a positioning device provided in accordance with an embodiment of the present utility model;

fig. 4 shows a schematic cross-sectional view of a positioning device according to an embodiment of the utility model.

Wherein the above figures include the following reference numerals:

10. a support frame; 11. a first support plate; 12. a second support plate; 13. a third support plate; 14. a fourth support plate;

20. A positioning structure; 21. a first positioning member; 22. a second positioning member; 23. a carrier;

31. A first transmission structure; 311. a second limit part; 312. a first transmission member; 313. a first roller; 32. a second transmission structure; 321. a fourth limit part; 322. a second transmission member; 323. a second roller;

40. A pushing member; 41. a first guiding inclined surface; 42. a second guiding inclined surface;

50. A reset structure; 51. a first reset member; 52. a second reset member; 61. a first limit part; 62. a third limit part; 71. a first guide; 72. a second guide;

80. a mounting plate; 90. and a driving structure.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1 to 4, the embodiment of the present utility model provides a positioning device, which includes a support frame 10, a positioning structure 20, a first transmission structure 31, a second transmission structure 32, a pushing member 40 and a reset structure 50, wherein the positioning structure 20 is disposed on the support frame 10, the positioning structure 20 includes a first positioning member 21 and a second positioning member 22 disposed opposite to each other, and the first positioning member 21 and the second positioning member 22 are movably disposed on the support frame 10 to position or avoid the structure to be positioned. The first transmission structure 31 and the second transmission structure 32 are both arranged between the first positioning piece 21 and the second positioning piece 22, the first transmission structure 31 is connected with the first positioning piece 21, the second transmission structure 32 is connected with the second positioning piece 22, and the first transmission part of the first transmission structure 31 and the second transmission part of the second transmission structure 32 are oppositely arranged. The pushing member 40 moves in a direction approaching or moving away from the first transmission portion and the second transmission portion, so that the pushing member 40 extends between the first transmission portion and the second transmission portion and pushes the first transmission portion and the second transmission portion to move back or avoid the first transmission portion and the second transmission portion. The reset structure 50 is coupled to at least one of the first and second transmission structures 31 and 32 to reset at least one of the first and second transmission structures 31 and 32.

By adopting the positioning device provided by the embodiment, the structure to be positioned can be clamped and positioned conveniently or loosened to avoid conveniently through the action of the first positioning piece 21 and the second positioning piece 22, so that the positioning stability of the battery cell is improved. Specifically, by controlling the pushing member 40 to move in a direction approaching the first transmission portion and the second transmission portion, and making the pushing member 40 extend between the first transmission portion and the second transmission portion, the first transmission portion and the second transmission portion can be made to move away from each other, so that the first positioning member 21 connected with the first transmission structure 31 and the second positioning member 22 connected with the second transmission structure 32 are made to move away from each other, so that the structure to be positioned is avoided, and thus the structure to be positioned is taken out from between the first positioning member 21 and the second positioning member 22 or is placed between the first positioning member 21 and the second positioning member 22. When the structure to be positioned is required to be positioned, the pushing piece 40 avoids the first transmission part and the second transmission part, so that at least one of the first transmission structure 31 and the second transmission structure 32 is reset through the reset structure 50, and the clamping and positioning of the structure to be positioned are realized. Therefore, through the positioner that this embodiment provided, the electric core among the prior art can be solved and the technical problem of position deviation easily takes place in the transportation.

In addition, the positioning device in the embodiment does not need to be driven by external driving force for a long time, so that the use cost is saved. Specifically, the structure to be positioned is mainly an electric core.

In this embodiment, the positioning device further includes a first reset element 51, where one end of the first reset element 51 is connected to at least a portion of the first transmission structure 31, and the other end of the first reset element 51 is connected to the support frame 10, so that when the pushing element 40 avoids the first transmission portion and the second transmission portion, the first transmission structure 31 is reset by the first reset element 51. By adopting the structure, the first transmission structure 31 is convenient to be stabilized and reset to the clamping position of the structure to be positioned, and the positioning stability of the structure to be positioned is improved.

Specifically, the positioning device further includes a second reset element 52, where one end of the second reset element 52 is connected to at least a portion of the second transmission structure 32, and the other end of the second reset element 52 is connected to the support frame 10, so that when the pushing element 40 bypasses the first transmission portion and the second transmission portion, the second transmission structure 32 is reset by the second reset element 52. By adopting the structure, the second transmission structure 32 is convenient to be stabilized and reset to the clamping position of the structure to be positioned, and the positioning stability of the structure to be positioned is improved.

In this embodiment, the support frame 10 includes a first support plate 11, a second support plate 12 and a third support plate 13 connected in sequence, the first support plate 11 and the third support plate 13 are oppositely disposed at two sides of the second support plate 12, and the first transmission structure 31 and the second transmission structure 32 are movably disposed between the first support plate 11 and the third support plate 13. The first return member 51 is a first return spring, and the other end of the first return spring is connected to the first support plate 11. The second restoring member 52 is a second restoring spring, and the other end of the second restoring spring is connected to the second support plate 12. By adopting the structure, the electric core positioning device is simple in structure, stable in resetting, convenient to stably clamp or loosen the electric core, and capable of improving the positioning stability of the electric core.

Specifically, the positioning device further includes a first limiting portion 61, the first limiting portion 61 and the first reset element 51 are disposed at intervals, a second limiting portion 311 adapted to the first limiting portion 61 is disposed on the first transmission structure 31, and the second limiting portion 311 is disposed opposite to at least a portion of the first limiting portion 61, so that the second limiting portion 311 and the first limiting portion 61 are in abutting limiting. By adopting the structure, the movement position of the first transmission structure 31 can be conveniently and effectively limited, the situation that the restoring force of the first restoring piece 51 acts on the structure to be positioned due to overlarge force is avoided, and the structure to be positioned is conveniently and effectively protected.

Specifically, the first limiting portion 61 is a limiting protrusion, and the second limiting portion 311 is a limiting groove.

In this embodiment, the positioning device further includes a third limiting portion 62, the third limiting portion 62 is disposed at an interval with the second reset element 52, a fourth limiting portion 321 adapted to the third limiting portion 62 is disposed on the second transmission structure 32, and at least a portion of the fourth limiting portion 321 and at least a portion of the third limiting portion 62 are disposed opposite to each other, so that the fourth limiting portion 321 and the third limiting portion 62 perform abutment limiting. By adopting the structure, the movement position of the second transmission structure 32 can be conveniently and effectively limited, the situation that the restoring force of the second restoring piece 52 acts on the structure to be positioned due to overlarge force is avoided, and the structure to be positioned is conveniently and effectively protected.

Specifically, the first transmission structure 31 includes a first transmission member 312 and a first roller 313, the first transmission member 312 is movably disposed on the support frame 10, the first roller 313 is rotatably disposed on the first transmission member 312, and the first roller 313 forms a first transmission portion. With such a structural arrangement, it is possible to facilitate effective reduction of the friction force between the pushing member 40 and the first transmission portion, and to facilitate smooth pushing away of the first transmission portion and the first transmission member 312.

In the present embodiment, the second transmission structure 32 includes a second transmission member 322 and a second roller 323, the second transmission member 322 is movably disposed on the support frame 10, the second roller 323 is rotatably disposed on the second transmission member 322, and the second roller 323 forms a second transmission portion. With such a structural arrangement, the friction between the pushing member 40 and the second transmission portion can be reduced effectively, and the second transmission portion and the second transmission member 322 can be pushed open smoothly.

Specifically, the pusher 40 in the present embodiment has a first guide slope 41 and a second guide slope 42, the first guide slope 41 being disposed opposite to the first roller 313 to guide the first roller 313 by the first guide slope 41; the second guide slope 42 is disposed opposite to the second roller 323 to guide the second roller 323 through the second guide slope 42. By adopting the structure, the cooperation of the pushing piece 40 with the first roller 313 and the second roller 323 can be improved conveniently, the pushing piece 40 can smoothly enter between the first roller 313 and the second roller 323, and the first transmission structure 31 and the second transmission structure 32 can be pushed away conveniently.

In this embodiment, the support frame 10 includes a first support plate 11, a second support plate 12 and a third support plate 13 connected in sequence, the first support plate 11 and the third support plate 13 are oppositely disposed at two sides of the second support plate 12, and the first transmission structure 31 and the second transmission structure 32 are movably disposed between the first support plate 11 and the third support plate 13. The support frame 10 further includes a fourth support plate 14, the fourth support plate 14 is disposed at a distance from the second support plate 12, two ends of the fourth support plate 14 are respectively connected with the first support plate 11 and the third support plate 13, the first transmission structure 31 and the second transmission structure 32 are disposed between the first support plate 11 and the second support plate 12, and the first positioning member 21 and the second positioning member 22 are movably disposed on the fourth support plate 14 in a penetrating manner. By adopting the structure, the structure layout can be conveniently optimized, the compactness of the structure layout is improved, and the situation that positioning interference occurs between the first transmission structure 31, the second transmission structure 32 and the structure to be positioned is effectively avoided, so that the positioning stability is conveniently and better improved.

Specifically, the positioning structure 20 further includes a carrier 23, the carrier 23 is disposed on a side of the fourth support plate 14 away from the second support plate 12, the carrier 23 is disposed between the first positioning member 21 and the second positioning member 22, and the carrier 23 is adapted to the shape of the structure to be positioned. By adopting the structure, the adaptive positioning of the structure to be positioned can be conveniently and well carried out, and the positioning stability is improved.

Preferably, the carrier 23 may be made of a cushioning material, so as to facilitate a degree of cushioning protection of the structure to be positioned. In particular, the carrier 23 may be supported by a rubber material, the positioning outer surface of the carrier 23 being adapted to the outer surface of the cell. Specifically, when the cell outer surface is square, the positioning surface of the carrier 23 is planar. When the outer surface of the battery cell is circular, the positioning surface of the carrier 23 is an arc surface.

In this embodiment, the positioning device further includes a first guide member 71, where the first guide member 71 is disposed on the support frame 10, the first guide member 71 extends along a preset direction, and a first guide portion adapted to the first guide member 71 is disposed on the first transmission structure 31, so that the first guide member 71 is in guiding fit with the first guide portion. With such a structural arrangement, it is possible to facilitate effective guiding of the first transmission structure 31 so that the first transmission structure 31 moves in a preset direction to be close to or away from the second transmission structure 32.

Specifically, the positioning device further includes a second guiding element 72, where the second guiding element 72 is disposed on the support frame 10, the second guiding element 72 extends along a preset direction, and a second guiding portion adapted to the second guiding element 72 is disposed on the second transmission structure 32, so that the second guiding element 72 is in guiding fit with the second guiding portion. In this way, it is possible to facilitate the effective guiding of the second transmission structure 32, so that the second transmission structure 32 moves in a preset direction to approach or depart from the first transmission structure 31.

In this embodiment, positioner still includes mounting panel 80 and drive structure 90, and support frame 10 installs on mounting panel 80, is provided with first hole of dodging on mounting panel 80, is provided with the second hole of dodging that sets up relatively with first hole of dodging on the support frame 10, and first hole and second hole of dodging all with the pusher 40 looks adaptation. The driving structure 90 is disposed below the mounting plate 80, and the driving structure 90 is in driving connection with the pushing member 40, so that the driving structure 90 pushes the pushing member 40 to extend between the first transmission portion and the second transmission portion through the first avoidance hole and the second avoidance hole. By adopting the structure, the driving structure 90 and the positioning structure 20 can be conveniently arranged on the two sides of the mounting plate 80 separately, the space above the mounting plate 80 occupied by the driving structure 90 is saved, the structural layout is optimized, the compactness of the mechanism layout is improved, and the space utilization rate is increased.

Specifically, the number of the supporting frames 10 is plural, the number of the positioning structures 20 is plural, the number of the first transmission structures 31, the second transmission structures 32, the pushing members 40 and the number of the reset structures 50 are plural, and the plurality of the supporting frames 10, the plurality of the positioning structures 20, the plurality of the first transmission structures 31, the plurality of the second transmission structures 32, the plurality of the pushing members 40 and the plurality of the reset structures 50 are uniformly and correspondingly arranged so as to clamp, position or avoid the plurality of battery cells synchronously.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: the structure stability is good, and the maintenance of being convenient for is convenient for carry out stable location to electric core.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A positioning device, comprising:

The positioning structure (20) is arranged on the support frame (10), the positioning structure (20) comprises a first positioning piece (21) and a second positioning piece (22) which are oppositely arranged, and the first positioning piece (21) and the second positioning piece (22) are movably arranged on the support frame (10) so as to position or avoid the structure to be positioned;

The first transmission structure (31) and the second transmission structure (32) are arranged between the first positioning piece (21) and the second positioning piece (22), the first transmission structure (31) is connected with the first positioning piece (21), the second transmission structure (32) is connected with the second positioning piece (22), and a first transmission part of the first transmission structure (31) and a second transmission part of the second transmission structure (32) are oppositely arranged;

A pushing member (40) moving in a direction approaching or separating from the first transmission part and the second transmission part, so that the pushing member (40) extends between the first transmission part and the second transmission part and pushes the first transmission part and the second transmission part to move back or avoid the first transmission part and the second transmission part;

And a reset structure (50) connected with at least one of the first transmission structure (31) and the second transmission structure (32) to reset at least one of the first transmission structure (31) and the second transmission structure (32).

2. The positioning device according to claim 1, wherein the reset structure (50) comprises:

a first reset element (51), wherein one end of the first reset element (51) is connected with at least part of the first transmission structure (31), and the other end of the first reset element (51) is connected with the support frame (10) so as to reset the first transmission structure (31) through the first reset element (51) when the pushing element (40) avoids the first transmission part and the second transmission part; and/or the number of the groups of groups,

And one end of the second reset piece (52) is connected with at least part of the second transmission structure (32), and the other end of the second reset piece (52) is connected with the support frame (10), so that when the pushing piece (40) avoids the first transmission part and the second transmission part, the second transmission structure (32) is reset through the second reset piece (52).

3. Positioning device according to claim 2, wherein the support frame (10) comprises a first support plate (11), a second support plate (12) and a third support plate (13) which are connected in sequence, the first support plate (11) and the third support plate (13) being arranged opposite to each other on both sides of the second support plate (12), the first transmission structure (31) and the second transmission structure (32) being arranged movably between the first support plate (11) and the third support plate (13); wherein,

The first reset piece (51) is a first reset spring, and the other end of the first reset spring is connected with the first supporting plate (11); and/or the number of the groups of groups,

The second reset piece (52) is a second reset spring, and the other end of the second reset spring is connected with the second supporting plate (12).

4. Positioning device according to claim 2, characterized in that,

The positioning device further comprises a first limiting part (61), the first limiting part (61) and the first reset piece (51) are arranged at intervals, a second limiting part (311) matched with the first limiting part (61) is arranged on the first transmission structure (31), and the second limiting part (311) and at least part of the first limiting part (61) are oppositely arranged, so that the second limiting part (311) and the first limiting part (61) are in abutting limiting; and/or the number of the groups of groups,

The positioning device further comprises a third limiting part (62), the third limiting part (62) is arranged at intervals with the second resetting piece (52), a fourth limiting part (321) matched with the third limiting part (62) is arranged on the second transmission structure (32), and the fourth limiting part (321) and at least part of the third limiting part (62) are oppositely arranged, so that the fourth limiting part (321) is in butt limiting with the third limiting part (62).

5. A positioning device as set forth in claim 1 wherein,

The first transmission structure (31) comprises a first transmission part (312) and a first roller (313), the first transmission part (312) is movably arranged on the support frame (10), the first roller (313) is rotatably arranged on the first transmission part (312), and the first roller (313) forms the first transmission part; and/or the number of the groups of groups,

The second transmission structure (32) comprises a second transmission part (322) and a second roller (323), the second transmission part (322) is movably arranged on the support frame (10), the second roller (323) is rotatably arranged on the second transmission part (322), and the second roller (323) forms the second transmission part.

6. The positioning device according to claim 5, characterized in that the pushing member (40) has a first guiding inclined surface (41) and a second guiding inclined surface (42), the first guiding inclined surface (41) being arranged opposite to the first roller (313) to guide the first roller (313) by the first guiding inclined surface (41); the second guide inclined surface (42) is arranged opposite to the second roller (323) so as to guide the second roller (323) through the second guide inclined surface (42).

7. Positioning device according to claim 1, wherein the support frame (10) comprises a first support plate (11), a second support plate (12) and a third support plate (13) which are connected in sequence, the first support plate (11) and the third support plate (13) being arranged opposite to each other on both sides of the second support plate (12), the first transmission structure (31) and the second transmission structure (32) being arranged movably between the first support plate (11) and the third support plate (13); the support frame (10) further comprises:

Fourth backup pad (14), with second backup pad (12) interval sets up, the both ends of fourth backup pad (14) respectively with first backup pad (11) with third backup pad (13) are connected, first transmission structure (31) with second transmission structure (32) set up first backup pad (11) with between second backup pad (12), first setting element (21) with second setting element (22) movably wears to establish fourth backup pad (14).

8. The positioning device according to claim 7, wherein the positioning structure (20) further comprises:

The bearing piece (23) is arranged on one side, far away from the second supporting plate (12), of the fourth supporting plate (14), the bearing piece (23) is arranged between the first positioning piece (21) and the second positioning piece (22), and the bearing piece (23) is matched with the shape of a structure to be positioned.

9. The positioning device of claim 1, wherein the positioning device further comprises:

The first guide piece (71) is arranged on the support frame (10), the first guide piece (71) extends along a preset direction, and a first guide part matched with the first guide piece (71) is arranged on the first transmission structure (31) so that the first guide piece (71) is in guide fit with the first guide part; and/or the number of the groups of groups,

The second guide piece (72) is arranged on the support frame (10), the second guide piece (72) extends along a preset direction, and a second guide part matched with the second guide piece (72) is arranged on the second transmission structure (32), so that the second guide piece (72) is in guide fit with the second guide part.

10. The positioning device of claim 1, wherein the positioning device further comprises:

The support frame (10) is installed on the installation plate (80), a first avoidance hole is formed in the installation plate (80), a second avoidance hole which is opposite to the first avoidance hole is formed in the support frame (10), and the first avoidance hole and the second avoidance hole are matched with the pushing piece (40);

The driving structure (90) is arranged below the mounting plate (80), and the driving structure (90) is in driving connection with the pushing piece (40), so that the driving structure (90) pushes the pushing piece (40) to penetrate through the first avoidance hole and the second avoidance hole to extend into between the first transmission part and the second transmission part.