CN211376800U - Correction device for liquid injection machine - Google Patents

Abstract

The utility model provides a correcting unit for annotating liquid machine, this annotate liquid machine is used for annotating liquid to electric core, and correcting unit includes: the liquid injection machine is in driving connection with the mounting base; the supporting part is spaced from the installation base part and is arranged corresponding to the battery cell; the folding arm part comprises a plurality of folding arm rods which are hinged with each other, one end of the folding arm part is hinged with the mounting base part, and the other end of the folding arm part is hinged with the supporting part; and the correcting part is rotatably arranged on the mounting base part, the folding arm part is in driving connection with the correcting part, and the correcting part is used for correcting the position of the battery cell. Through the technical scheme that this application provided, can solve the easy skew of electric core among the prior art, annotate the poor problem of liquid effect.

Description

Correction device for liquid injection machine

Technical Field

The utility model relates to a battery production facility technical field particularly, relates to a correcting unit for annotating liquid machine.

Background

At present, a liquid injection machine is generally used for injecting liquid into a battery cell. Specifically, annotate the liquid machine and have annotate the liquid mouth, electric core has annotates the liquid mouth, will annotate the liquid mouth and aim at and can utilize to annotate liquid machine and annotate liquid to electric core.

However, in the prior art, the battery cell is easy to shift during the transportation process of the liquid injection production line, so that the position of the liquid injection port of the battery cell and the position of the liquid injection nozzle of the liquid injection machine during liquid injection are deviated, and finally, liquid injection leakage and even liquid injection failure are caused. Therefore, the problems of easy deviation of the battery cell and poor liquid injection effect exist in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a correcting unit for annotating liquid machine to electric core that solves among the prior art easily squints, annotates the poor problem of liquid effect.

The utility model provides a correcting unit for annotating liquid machine annotates liquid machine is used for annotating liquid to electric core, and correcting unit includes: the liquid injection machine is in driving connection with the mounting base; the supporting part is spaced from the installation base part and is arranged corresponding to the battery cell; the folding arm part comprises a plurality of folding arm rods which are hinged with each other, one end of the folding arm part is hinged with the mounting base part, and the other end of the folding arm part is hinged with the supporting part; and the correcting part is rotatably arranged on the mounting base part, the folding arm part is in driving connection with the correcting part, and the correcting part is used for correcting the position of the battery cell.

Further, the correcting part comprises a clamping component and a correcting component, the clamping component is rotatably arranged on the installation base, and the correcting component is arranged on one side of the clamping component far away from the installation base.

Further, the clamping assembly comprises two clamping plate base bodies, the two clamping plate base bodies are arranged on two sides of the installation base portion at intervals, and the clamping plate base bodies are hinged to the installation base portion.

Further, the correction assembly comprises a correction head, the correction head is arranged on one side, far away from the installation base, of the clamping plate base body, the correction head is provided with an initial position and a correction position which are arranged oppositely, and when the correction head moves from the initial position to the correction position, the correction head drives the battery core to move, so that the liquid injection nozzle of the liquid injection machine corresponds to the liquid injection port of the battery core.

Further, the correction assembly further comprises: the guide shaft is arranged on one side, facing the clamping plate base body, of the correcting head, a guide hole is formed in the clamping plate base body, and the guide shaft penetrates through the guide hole; the reset shaft is arranged on one side, facing the splint base, of the correction head, a reset hole is formed in the splint base, and the reset shaft penetrates through the reset hole; reset spring, reset shaft have a mounting hole, and first mounting hole extends along the axis direction of reset shaft, and reset spring's tip and splint base member are connected, and reset spring wears to establish in first mounting hole.

Furthermore, the correcting assembly further comprises a limiting buckle, the limiting buckle is arranged on the clamping plate base body, a limiting groove is formed in the side wall of the guide shaft and/or the reset shaft, and the limiting buckle is matched with the limiting groove to limit the position of the correcting head relative to the clamping plate base body.

Further, the arm folding part comprises a first arm folding rod and a second arm folding rod which are hinged with each other, one end of the first arm folding rod is hinged with the installation base, one end of the second arm folding rod is hinged with the supporting part, and the first arm folding rod is in driving connection with the clamping plate base body.

Further, first arm pole of folding includes interconnect's the body of rod and clamp plate, and the junction of the body of rod and clamp plate is articulated with the installation basal portion, and the splint base member has the mounting groove, and the clamp plate stretches into in the mounting groove and is connected with splint base member drive.

Further, the clamp plate is movably arranged in the mounting groove, the clamp plate is provided with an avoiding position and a pressing position which are arranged relatively, when the clamp plate is located at the avoiding position, a gap is formed between the side wall of the clamp plate, facing the first folding arm rod, and the inner wall of the mounting groove, and when the clamp plate is located at the pressing position, the side wall of the clamp plate, facing the first folding arm rod, is attached to the inner wall of the mounting groove.

Further, the supporting part includes the backup pad, and the one side of keeping away from the installation basal portion of backup pad is provided with a plurality of spacing bosss, the surface shape looks adaptation of shape and electric core that a plurality of spacing bosss enclose.

Use the technical scheme of the utility model, this correcting unit include installation basal portion, supporting part, roll over arm portion and correction portion, annotate the liquid machine and be connected with installation basal portion drive, and the supporting part is articulated with the installation basal portion through rolling over the arm, and the supporting part corresponds electric core setting. The correcting part is rotatably arranged on the mounting base part, and the folding arm part is in driving connection with the correcting part. Adopt above-mentioned structure, utilize annotate liquid machine drive installation basal portion and remove, installation basal portion can drive the supporting part through rolling over the arm and remove towards electric core, after supporting part and electric core looks butt, installation basal portion can continue to remove towards electric core, because roll over the arm and be connected with the drive of correction portion, at the removal in-process of installation basal portion, roll over the arm and can drive correction portion and remove towards electric core to utilize the correction portion to rectify the position of electric core, thereby make the notes liquid mouth of electric core aim at with annotating the liquid mouth of annotating the liquid machine, and then can promote and annotate the liquid effect.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a side view of a correction device for a liquid injection machine according to an embodiment of the present invention;

fig. 2 shows an overall schematic diagram of a correction device for a liquid injection machine according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating that the correction device for the liquid injection machine provided by the embodiment of the present invention is mounted on the liquid injection machine;

FIG. 4 shows a schematic structural view of the mounting base of FIG. 1;

FIG. 5 shows a schematic structural view of the support part of FIG. 1;

FIG. 6 shows a further schematic view of the support of FIG. 1;

fig. 7 shows a schematic structural view of the first folding arm lever in fig. 1;

fig. 8 is a schematic structural view illustrating the second folding arm lever of fig. 1;

FIG. 9 shows a schematic structural view of the cleat base of FIG. 1;

FIG. 10 shows a further construction of the cleat base of FIG. 1;

FIG. 11 shows a schematic view of the connection of the support portion to the knuckle arm portion of FIG. 1;

FIG. 12 shows a schematic view of the connection of the first folding arm lever to the folding arm portion of FIG. 1;

fig. 13 shows an exploded view of the correction portion of fig. 1;

fig. 14 shows a partially enlarged view of the correcting portion in fig. 1;

FIG. 15 shows a schematic structural view of the correction assembly of FIG. 1;

fig. 16a is a schematic view illustrating an operating state of a correction device for a liquid injection machine according to an embodiment of the present invention;

fig. 16b is a schematic view illustrating another working state of the correction device for the liquid injection machine according to the embodiment of the present invention;

fig. 16c is a schematic view illustrating another working state of the correction device for a liquid injection machine according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a mounting base; 11. mounting a boss; 12. a second mounting hole;

20. a support portion; 21. a support plate; 211. a limiting boss; 212. mounting holes for the rollers;

30. a folding arm part; 31. a first folding arm lever; 311. a rod body; 312. pressing a plate; 32. a second folding arm lever;

40. a correction unit;

41. a clamping assembly; 411. a splint base; 4111. a guide hole; 4112. a reset hole; 4113. mounting grooves;

42. a correction component; 421. a correction head; 422. a guide shaft; 423. a reset shaft; 4231. a first mounting hole; 4232. a limiting groove; 424. a return spring; 425. a limiting buckle;

50. a liquid injection head; 60. and (5) battery cores.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 16c, an embodiment of the present invention provides a correction device for a liquid injection machine, where the liquid injection machine is used to inject liquid into an electrical core. The correction device includes an installation base 10, a support portion 20, a folded arm portion 30, and a correction portion 40, where the correction portion 40 is used to correct the position of the battery cell. The liquid injection machine is in driving connection with the mounting base 10, the liquid injection machine can drive the mounting base 10 to move relative to the battery cell, the supporting portion 20 has a gap with the mounting base 10, and the supporting portion 20 is disposed corresponding to the battery cell. Specifically, the arm folding portion 30 includes a plurality of arm folding rods, and the arm folding rods are hinged to each other, and through hinging one end of the arm folding portion 30 with the mounting base portion 10, hinging the other end of the arm folding portion 30 with the supporting portion 20, and the mounting base portion 10 can drive the supporting portion 20 to move relative to the battery core. In the present embodiment, the correction portion 40 is rotatably disposed on the mounting base 10, such that the folded arm portion 30 is in driving connection with the correction portion 40, and the folded arm portion 30 can drive the correction portion 40 to rotate relative to the mounting base 10, so as to correct the battery cell by the correction portion 40.

With the correction device provided in this embodiment, after the battery cell is transported to the liquid injection position, the liquid injection machine is used to drive the mounting base 10 to move toward the battery cell, and the support portion 20 moves toward the battery cell under the driving of the arm portion 30. After the support portion 20 is in contact with the battery cell, the injection machine continues to drive the mounting base portion 10 to move toward the battery cell, and at this time, the folding arm portion 30 drives the correction portion 40 to move toward the battery cell. After correcting portion 40 and electric core contact, correcting portion 40 can rectify electric core to make the notes liquid mouth of electric core aim at with the notes liquid mouth of annotating the liquid machine, the phenomenon that annotate liquid leakage or annotate the liquid failure can not appear, and then can promote and annotate the liquid effect.

In this embodiment, the correcting portion 40 includes a clamping assembly 41 and a correcting assembly 42, and the clamping assembly 41 is rotatably disposed on the mounting base 10, and the correcting assembly 42 is disposed on a side of the clamping assembly 41 away from the mounting base 10, so that the clamping assembly 41 can drive the correcting assembly 42 to move relative to the battery cell, so as to correct the battery cell by using the correcting assembly 42.

Specifically, the clamping assembly 41 includes two clamping plate bases 411, the two clamping plate bases 411 are disposed at two sides of the mounting base 10 at intervals, and the clamping plate bases 411 are hinged with the mounting base 10. In this embodiment, the mounting base 10 and the cleat base 411 are both in a strip structure, the two cleat bases 411 are respectively disposed on two sides of the mounting base 10, and the extending direction of the cleat base 411 is the same as the extending direction of the mounting base 10, so that the stability of the cleat base 411 when rotating relative to the mounting base 10 can be improved.

As shown in fig. 13 to 15, the correcting assembly 42 includes a correcting head 421, the correcting head 421 is disposed on a side of the chucking base 411 away from the mounting base 10, and the correcting head 421 is movable relative to the chucking base 411. When the calibration head 421 moves from the initial position to the calibration position, the calibration head 421 can drive the battery cell to move, so that the liquid injection nozzle of the liquid injection machine corresponds to the liquid injection port of the battery cell. In this embodiment, the calibration head 421 is movably disposed on the clamp base 411, after the calibration head 421 abuts against the battery cell, the calibration head 421 moves toward the direction approaching the clamp base 411, and the length of the calibration head 421 extending out of the clamp base 411 becomes smaller, so that the calibration portion 40 has a space for continuing to rotate, and finally the battery cell is driven by the calibration head 421 to move to a position aligned with the injection nozzle of the injection machine.

Specifically, the correcting assembly 42 further includes a guide shaft 422, a reset shaft 423 and a reset spring 424, the guide shaft 422 and the reset shaft 423 are both disposed on one side of the correcting head 421 facing the clamp base 411, and the correcting head 421 is disposed on the clamp base 411 through the guide shaft 422 and the reset shaft 423. Wherein, be provided with guiding hole 4111 on the splint base 411, the guiding axle 422 is worn to establish in guiding hole 4111, is provided with reset hole 4112 on the splint base 411, and reset axle 423 is worn to establish in reset hole 4112. Specifically, the reset shaft 423 has a first mounting hole 4231, the first mounting hole 4231 extends in the axial direction of the reset shaft 423, the end of the reset spring 424 is connected to the cleat base 411, the reset spring 424 is inserted into the first mounting hole 4231, and the reset spring 424 can drive the correcting head 421 to be reset from the correcting position to the initial position.

In order to prevent the calibration head 421 from falling off the clamp base 411, the calibration assembly 42 further includes a limit catch 425, the limit catch 425 is disposed on the clamp base 411, a limit groove 4232 is disposed on a side wall of the guide shaft 422 and/or the reset shaft 423, and the position of the calibration head 421 relative to the clamp base 411 can be limited by the limit catch 425 matching with the limit groove 4232. In this embodiment, the sidewall of the reset shaft 423 is provided with a limit groove 4232, the extending direction of the limit groove 4232 is the same as the axial direction of the reset shaft 423, the limit groove 4232 has a gap from the end of the reset shaft 423, and the limit buckle 425 is matched with the groove wall of the limit groove 4232, so that the position of the calibration head 421 relative to the splint base 411 can be limited, and the calibration head 421 is prevented from falling off from the splint base 411. In other embodiments, the stopper groove 4232 may be provided on the sidewall of the guide shaft 422, or both the guide shaft 422 and the reset shaft 423 may be provided with the stopper groove 4232.

As shown in fig. 11 and 12, the arm folding portion 30 includes a first arm folding lever 31 and a second arm folding lever 32 hinged to each other, one end of the first arm folding lever 31 is hinged to the mounting base 10, one end of the second arm folding lever 32 is hinged to the support portion 20, and the first arm folding lever 31 is drivingly connected to the splint base 411. Specifically, one support portion 20 is hinged to two second folding arm levers 32, and the two second folding arm levers 32 are staggered to avoid the mutual interference of the folding arm portions 30. In other embodiments, the number of the folding arm rods can be increased according to the use requirement, for example, three, four or five folding arm rods are arranged.

In this embodiment, a torsion spring having an included angle of 120 ° is provided between the first folding arm lever 31 and the second folding arm lever 32, a torsion spring having an included angle of 60 ° is provided between the first folding arm lever 31 and the mounting base 10, and a torsion spring is provided between the first folding arm lever 31 and the clamp base 411.

As shown in fig. 7, the first folding arm 31 includes a rod 311 and a pressing plate 312 connected to each other, and a joint of the rod 311 and the pressing plate 312 is hinged to the mounting base 10. The clamping plate base 411 is provided with a mounting groove 4113, and the pressing plate 312 extends into the mounting groove 4113 and is in driving connection with the clamping plate base 411. Specifically, splint base member 411 is the channel-section steel structure, and is provided with on the lateral wall of splint base member 411 and dodges the portion to in first folding armed lever 31 stretches into mounting groove 4113, avoid taking place to interfere. In this embodiment, an included angle is formed between the rod 311 and the pressing plate 312, so that the pressing plate 312 can be inserted into the mounting groove 4113.

In this embodiment, the pressing plate 312 is movably disposed in the mounting groove 4113, the pressing plate 312 has an avoiding position and a pressing position which are disposed oppositely, when the pressing plate 312 is located at the avoiding position, a space is formed between a side wall of the pressing plate 312 facing the first folding arm 31 and an inner wall of the mounting groove 4113, and when the pressing plate 312 is located at the pressing position, the side wall of the pressing plate 312 facing the first folding arm 31 is attached to the inner wall of the mounting groove 4113. In this embodiment, a buffer angle is formed between the side wall of the pressing plate 312 facing the first folding arm 31 and the inner wall of the mounting groove 4113.

As shown in fig. 5 and 6, the support portion 20 includes a support plate 21, a plurality of limiting bosses 211 are disposed on a side of the support plate 21 away from the mounting base 10, and a shape enclosed by the limiting bosses 211 is matched with an outer surface shape of the battery cell, so that the support plate 21 is matched with the battery cell. In this embodiment, one side of the support plate 21 away from the mounting base 10 is provided with two limiting bosses 211, the inner walls of the limiting bosses 211 are arc-shaped structures, and the two limiting bosses 211 enclose a circular structure which is the same as or slightly larger than the curvature of the cross section of the battery cell.

Wherein, one side of the supporting plate 21 facing the mounting base 10 is provided with a pillow block, and the connecting shaft is sequentially arranged in the pillow block of the folding arm part 30 and the pillow block of the supporting plate 21, so that the hinging of the supporting plate 21 and the folding arm part 30 can be realized. In this embodiment, a roller mounting hole 212 is formed in a side of the support plate 21 facing the battery cell, and the roller mounting hole 212 is used for mounting a roller to reduce friction between the support plate 21 and the battery cell.

Here, the mounting base 10 is provided with a pillow block, and the arm folding portion 30 and the correcting portion 40 are also provided with pillow blocks. The connecting shafts are sequentially arranged in the pillow block of the installation base 10 and the pillow block of the folding arm part 30 in a penetrating way, so that the folding arm part 30 can be hinged with the installation base 10. The connection shafts are sequentially inserted into the pillow block of the installation base 10 and the pillow block of the correction portion 40, so that the correction portion 40 can be hinged to the installation base 10.

Specifically, the installation base 10 is provided with an installation boss 11, the installation boss 11 is provided with a second installation hole 12, the second installation hole 12 and the installation boss 11 are coaxially arranged, a threaded hole is formed in the side wall of the installation boss 11, the installation base 10 is sleeved on the liquid injection nozzle of the liquid injection machine through the second installation hole 12 in the installation boss 11 and is fixed through the threaded hole and a corresponding screw, and the installation base 10 and the liquid injection nozzle of the liquid injection machine can synchronously move up and down. Wherein, the liquid injection head of the liquid injection machine is provided with a liquid injection nozzle.

As shown in fig. 16a to 16c, the working process of the device provided by the present embodiment is as follows:

(1) in the state without external force, the included angle between the second folding arm rod 32 and the first folding arm rod 31 is 120 degrees, and when the liquid injection head 50 of the liquid injection machine descends, the whole correction device is driven to descend;

(2) when the supporting portion 20 touches the upper end surface of the battery cell 60, the included angle between the second folding arm lever 32 and the first folding arm lever 31 begins to decrease, the lower end of the first folding arm lever 31 swings inward, and the pressing plate 312 drives the clamping plate base 411 to rotate inward;

(3) when the liquid injection head 50 descends to a certain height, the correcting head 421 of the correcting part 40 starts to contact with the upper end face of the electric core 60 and starts to compress towards the direction of the clamping plate, when the correcting head 421 contacts with the square positive plate at the upper end of the electric core 60, the electric core 60 is driven to rotate, when the liquid injection head 50 of the liquid injection machine approaches the upper horizontal plane of the liquid injection port of the electric core 60, the side edge of the square positive plate at the upper end of the electric core 60 is superposed with the correcting head 421, namely, the liquid injection head 50 is aligned with the liquid;

(4) thereafter, as the injection head 50 continues to descend, the buffer angle between the pressing plate 312 and the clamping plate base 411 gradually decreases until the injection head 50 presses the upper end surface of the electric core 60, and the injection head 50 stops descending, so far, the injection head 50 is aligned with and tightly pressed on the injection port, and at this time, injection can be started.

The device provided by the embodiment has the following beneficial effects:

(1) the correcting device and the liquid injection head move synchronously without adding a power part, and a plurality of groups of folding arm rods are arranged in opposite rows, so that the structure is simple, and the performance is more reliable;

(2) an elastic interval with a certain included angle exists between the clamp plate base 411 and the arm folding rod, and the arm folding rod can rotate by a certain angle after the clamp plate base 411 stops rotating;

(3) the movement between the correction head 421 and the clamp base 411 has an elastic section with a certain depth, and when the correction head 421 touches the battery cell and stops descending, the clamp base 411 can also descend for a certain distance.

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 example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship 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 of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a correcting unit for annotating liquid machine, annotate the liquid machine and be used for annotating liquid to electric core, its characterized in that, correcting unit includes:

the liquid injection machine is in driving connection with the mounting base (10);

a support (20) spaced from the mounting base (10), the support (20) being disposed in correspondence with the cell;

the folding arm part (30) comprises a plurality of folding arm rods which are hinged with each other, one end of the folding arm part (30) is hinged with the mounting base part (10), and the other end of the folding arm part (30) is hinged with the supporting part (20);

the correcting part (40) is rotatably arranged on the mounting base part (10), the folding arm part (30) is in driving connection with the correcting part (40), and the correcting part (40) is used for correcting the position of the battery cell.

2. The correction device according to claim 1, wherein the correction portion (40) comprises a clamping assembly (41) and a correction assembly (42), the clamping assembly (41) is rotatably arranged on the mounting base (10), and the correction assembly (42) is arranged on a side of the clamping assembly (41) far away from the mounting base (10).

3. The device according to claim 2, characterized in that the clamping assembly (41) comprises two clamping base bodies (411), the two clamping base bodies (411) are arranged on two sides of the mounting base (10) at intervals, and the clamping base bodies (411) are hinged with the mounting base (10).

4. The correction device according to claim 3, wherein the correction assembly (42) comprises a correction head (421), the correction head (421) is arranged on a side of the clamp plate base body (411) far away from the mounting base part (10), the correction head (421) has an initial position and a correction position which are oppositely arranged, and when the correction head (421) moves from the initial position to the correction position, the correction head (421) drives the battery cell to move so that an injection nozzle of the injection machine corresponds to an injection port of the battery cell.

5. The correction device according to claim 4, characterized in that the correction assembly (42) further comprises:

the guide shaft (422) is arranged on one side, facing the clamp base body (411), of the correction head (421), a guide hole (4111) is formed in the clamp base body (411), and the guide shaft (422) penetrates through the guide hole (4111);

the resetting shaft (423) is arranged on one side, facing the clamp plate base body (411), of the correcting head (421), a resetting hole (4112) is formed in the clamp plate base body (411), and the resetting shaft (423) penetrates through the resetting hole (4112);

the reset shaft (423) is provided with a first mounting hole (4231), the first mounting hole (4231) extends along the axial direction of the reset shaft (423), the end part of the reset spring (424) is connected with the clamp plate base body (411), and the reset spring (424) is arranged in the first mounting hole (4231) in a penetrating mode.

6. The calibrating device according to claim 5, characterized in that the calibrating assembly (42) further comprises a limiting catch (425), the limiting catch (425) is arranged on the clamp base body (411), a limiting groove (4232) is arranged on the side wall of the guide shaft (422) and/or the reset shaft (423), and the limiting catch (425) is matched with the limiting groove (4232) to limit the position of the calibrating head (421) relative to the clamp base body (411).

7. The device according to claim 3, characterized in that the folding arm portion (30) comprises a first folding arm lever (31) and a second folding arm lever (32) which are hinged to each other, one end of the first folding arm lever (31) is hinged to the mounting base (10), one end of the second folding arm lever (32) is hinged to the support portion (20), and the first folding arm lever (31) is drivingly connected to the splint base (411).

8. The correction device according to claim 7, wherein the first folding arm lever (31) comprises a lever body (311) and a pressing plate (312) which are connected with each other, the joint of the lever body (311) and the pressing plate (312) is hinged with the mounting base (10), the clamp base body (411) is provided with a mounting groove (4113), and the pressing plate (312) extends into the mounting groove (4113) and is in driving connection with the clamp base body (411).

9. The correcting device according to claim 8, wherein the pressing plate (312) is movably disposed in the mounting groove (4113), the pressing plate (312) has an avoiding position and a pressing position, the avoiding position and the pressing position are opposite to each other, when the pressing plate (312) is located at the avoiding position, a side wall of the pressing plate (312) facing the first folding arm rod (31) is spaced from an inner wall of the mounting groove (4113), and when the pressing plate (312) is located at the pressing position, a side wall of the pressing plate (312) facing the first folding arm rod (31) is abutted to the inner wall of the mounting groove (4113).

10. The correction device of claim 1, wherein the support part (20) comprises a support plate (21), a plurality of limiting bosses (211) are arranged on one side of the support plate (21) far away from the mounting base (10), and the shape defined by the limiting bosses (211) is matched with the shape of the outer surface of the battery cell.

Images