CN217903402U

CN217903402U - Manual press-in device for rubber nail at liquid injection port of battery cell

Info

Publication number: CN217903402U
Application number: CN202221689523.8U
Authority: CN
Inventors: 钱鑫; 金磊; 栾明凯
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-11-25
Anticipated expiration: 2032-06-30

Abstract

The utility model provides a manual pressing-in device of a rubber nail of an electrolyte injection port of an electric core, which is used for pressing the rubber nail into the electrolyte injection port of the electric core and comprises a base plate, a support connecting part, an operating rod and a pressure head, wherein the base plate is used for forming a support for the bottom of the electric core so as to lead the electrolyte injection port formed at the top of the electric core to receive the rubber nail; the supporting connecting part is fixedly arranged relative to the substrate and is provided with a connecting block which is adjustable in height and is kept above the battery cell, and the operating rod penetrates through the connecting block in a vertical posture and can be elastically restored; the pressure head links firmly in the bottom of action bars to be located the top of annotating the liquid mouth, and when driving the pressure head because of operating the action bars and descending, the pressure head constitutes the pushing down to the rubber nail of adorning in advance in annotating liquid mouth department. Manual push in device of liquid mouth rubber nail is annotated to electric core, can realize impressing the rubber nail in the liquid mouth that annotates of electric core to reduce manual work's the degree of difficulty, and be favorable to work efficiency's promotion, and have better practicality.

Description

Manual press-in device for rubber nail at liquid injection port of battery cell

Technical Field

The utility model relates to a power battery manufacture equipment technical field, in particular to manual push in device of liquid mouth rubber nail is annotated to electric core.

Background

At present, at the in-process of power battery production, can leave one on power battery's top cap and annotate the liquid mouth to supply to annotate the liquid and use, annotate the liquid and need become power battery after accomplishing, change into the in-process and need carry out interim sealing to annotating the liquid mouth, just need this moment and insert the rubber nail into towards annotating the liquid mouth, it can play interim sealed effect, can be extracted after changing into moreover, in order to emit the inside gas of power battery.

Gaseous emission finishes after, the sealed nail of reuse metal material will be annotated the liquid mouth and seal, so insert the in-process of annotating the liquid hole with the rubber nail, on the one hand will guarantee that the rubber nail will target in place in annotating liquid mouth middling pressure to guarantee sealed effect, on the other hand, impress the in-process of annotating the liquid hole with the rubber nail, the outer wall that will prevent to annotate the inner wall of liquid mouth and rubber nail is by the fish tail, otherwise can not only influence sealed performance, still can cause harmful effects to the welding of subsequent metal seal nail.

To the manual production line that output is not big, generally for saving equipment cost, some production processes generally adopt the manual work mode to go on, and carry out the in-process that pushes down to the rubber nail, insert the rubber nail and annotate suitable position in the liquid mouth, need certain extrusion force, annotate liquid mouth size generally less because of electric core again to lead to the manual work degree of difficulty big, the operating efficiency is low, and be difficult to guarantee to impress the rubber nail in place.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a manual push in device of liquid mouth rubber nail is annotated to electric core to in impressing the notes liquid mouth of electric core with the rubber nail, and reduce manual work's the degree of difficulty.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a manual push in device of liquid mouth rubber nail is annotated to electric core for in impressing the liquid mouth of electric core with the rubber nail, this push in device includes: the base plate forms a support for the bottom of the battery cell so that a liquid injection port formed in the top of the battery cell receives the rubber nail; a support connection portion fixedly provided with respect to the substrate; the supporting connecting part is provided with a connecting block which is adjustable in height and is kept above the battery cell; the operating rod can elastically return to penetrate through the connecting block in a vertical posture; the pressure head is fixedly connected to the bottom of the operating rod and is positioned above the liquid injection port; when the operating rod is operated to drive the pressure head to move downwards, the pressure head presses the rubber nail pre-installed at the liquid injection port.

Furthermore, a groove for embedding a part of the battery core is formed on the substrate.

Further, a positioning plate is fixed to an upper surface of the base plate, and the recess is configured as a circular through hole formed through the positioning plate.

Further, the connecting block is configured to match a linear bearing of the operating lever.

Furthermore, a cover plate which extends along the radial direction of the operating rod is fixedly arranged on the operating rod which penetrates through the connecting block and exposes below the connecting block.

Furthermore, the projection of the cover plate on the substrate covers the battery core.

Further, the support connection part includes: a support rod fixed on the substrate in a vertical posture; the mounting block is connected to the supporting rod in a height-adjustable manner; the connecting block is fixedly connected to one side of the mounting block and is kept above the battery cell.

Further, the pressure head is in threaded connection with the bottom of the operating rod.

Furthermore, the top of the operating rod is provided with a pressing part of which the radial dimension is larger than that of the operating rod, and a spring is sleeved on the operating rod between the pressing part and the connecting block.

Further, the pressing part is spherical.

Compared with the prior art, the utility model discloses following advantage has:

manual push in device of liquid mouth rubber nail is annotated to electric core, it is down to drive the pressure through the operation action bars, and accomplish the pushing down of rubber nail to pre-assembling at notes liquid mouth position, be convenient for push down the rubber nail when target in place, accomplish the pushing down of rubber nail through the operation action bars, can reduce manual operation's the degree of difficulty to be favorable to work efficiency's promotion, and there is better practicality.

In addition, through be provided with the cover plate that sets up along the radial extension of action bars on the action bars, can cover the top at electric core, and play the guard action to electric core, prevent to press the in-process of annotating the liquid mouth with the rubber nail, have the foreign matter to fall on electric core.

In addition, the height position of the mounting block is adjustable, so that the height of the mounting block can be conveniently adjusted according to the heights of different battery cores.

Drawings

The accompanying drawings, which form a part hereof, 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 without undue limitation. In the drawings:

fig. 1 is a schematic view of an overall structure of a manual press-in device for a rubber nail at a battery cell liquid injection port according to an embodiment of the present invention;

fig. 2 is a front view of a manual press-in device for a rubber nail at a battery cell liquid injection port according to an embodiment of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is an enlarged view of B in fig. 3.

Description of the reference numerals:

1. a substrate; 2. positioning a plate; 201. a groove; 3. a support bar; 4. mounting blocks; 5. connecting blocks; 6. an operating lever; 601. a pressing part; 7. a cover plate; 8. a pressure head; 9. fastening a nut; 10. a spring; 11. a rubber nail; 12. an electric core; 1201. and a liquid injection port.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same order, but are to be construed as referring to the same order.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to a manual press-in device of a rubber nail of a battery cell liquid injection port, which is used for pressing a rubber nail 11 into a liquid injection port 1201 of a battery cell 12 and comprises a base plate 1, a support connecting part, an operating rod 6 and a pressure head 8 in the whole structure. The base plate 1 supports the bottom of the cell 12, so that the liquid injection port 1201 formed in the top of the cell 12 receives the rubber nail 11. The support connection is arranged fixed relative to the base plate 1 and has a height-adjustable connection piece 5 held above the cells 12. The operating rod 6 can elastically return to penetrate the connecting block 5 in a vertical posture. The pressure head 8 is fixedly connected to the bottom of the operating rod 6 and is positioned above the liquid injection port 1201, and when the pressure head 8 is driven to move downwards due to the operation of the operating rod 6, the pressure head 8 presses the rubber nail 11 pre-installed at the liquid injection port 1201 downwards.

Based on the above general description, as a preferred embodiment, as shown in fig. 1, in this embodiment, the substrate 1 is a mounting base body of other components, and in order to facilitate the substrate 1 to form a support for the battery cell 12, and to prevent the battery cell 12 from shaking during the process of pressing down the rubber nail 11, so as to affect the pressing-in effect of the rubber nail 11, a groove 201 for embedding a part of the battery cell 12 is further formed on the substrate 1, and the shape and size of the groove 201 are matched with the shape and size of the battery cell 12, so that when the pressing-down process of the rubber nail 11 is performed, the battery cell 12 can be embedded into the groove 201, and the battery cell 12 is limited by the side wall of the groove 201 and the upper surface of the substrate 1, so as to avoid the battery cell 12 from shaking during the pressing-down process of the rubber nail 11.

In addition, in order to facilitate the pressing operation of the rubber nails 11 for the battery cells 12 with different sizes, in this embodiment, preferably, the positioning plate 2 is further fixed on the upper surface of the base plate 1, and the groove 201 is configured as a through circular through hole formed on the positioning plate 2, and the positioning plate 2 can be connected to the base plate 1 by a detachable fixed connection manner such as bolting or pinning, so that the positioning plate 2 formed with a through hole matching the size of the battery cell 12 can be selected according to the size of the battery cell 12 without replacing the base plate 1, thereby improving the practicability and compatibility of the device. In addition, in order to conveniently place the battery cell 12 into the groove 201, a chamfer may be provided at the top of the groove 201, so that the position size of the top opening of the groove 201 is relatively large, thereby facilitating the placement of the battery cell 12.

It should be noted that, the above-mentioned configuration of the recess 201 as a circular through hole formed on the positioning plate 2 is only an excellent embodiment, and in addition, it may also be other shapes, such as rectangle, square, etc., and when implemented specifically, it matches with the shape of the battery cell 12 and can limit the battery cell 12.

As shown in fig. 1, the supporting connection portion is fixed on the base plate 1 and located at one side of the positioning plate 2, and as a preferred embodiment, it includes a supporting rod 3 fixed on the base plate 1 in a vertical posture, and a height-adjustable mounting block 4 connected on the supporting rod 3, and the connecting block 5 is fixed at one side of the mounting block 4 and is held above the electric core 12. In order to facilitate the realization that the height position of the mounting block 4 on the support rod 3 is adjustable, the connecting structure between the mounting block 4 and the support rod 3 can be designed by referring to the structure of an open type fixing ring, an opening can be arranged on the mounting block 4, a bolt is arranged on the mounting block 4 and penetrates through the opening, the mounting block 4 is fixed on the support rod 3 by screwing the bolt, and the mounting block 4 can slide relative to the support rod 3 by unscrewing the bolt.

In addition, in the specific implementation, the connecting block 5 is fixedly connected to the side of the mounting block 4 facing the battery cell 12, and in order to facilitate the sliding of the operating rod 6 relative to the connecting block 5, as shown in fig. 3, the connecting block 5 in the present embodiment is configured to match the linear bearing of the operating rod 6, and the operating rod 6 is disposed through the connecting block 5.

For protecting electric core 12, prevent to press down the in-process of rubber nail 11, lubricating oil in the linear bearing or because of the slip of action bars 6 leads to the foreign matter to drop to electric core 12 on, preferred, in this embodiment, on passing connecting block 5 and leaking the action bars 6 below connecting block 5, fixed being equipped with along the radial extension of action bars 6 the setting cover plate 7. And the projection of the cover plate 7 on the substrate 1 can cover the battery cell 12, and plays a role in protecting the battery cell 12, so that foreign matters are prevented from falling onto the battery cell 12, and the surface of the battery cell 12 is polluted or the performance of the battery cell 12 is adversely affected.

In order to conveniently match the pressure head 8 with a proper size according to the size of the rubber nail 11, in the embodiment, the pressure head 8 is screwed at the bottom of the operating rod 6, so that the pressure head 8 can be unscrewed from the operating rod 6 according to the size of the rubber nail 11, and the pressure head 8 with a proper size is replaced. In order to prevent the pressing head 8 from loosening during the pressing of the rubber nail 11, which affects the pressing effect, as shown in fig. 4, a fastening nut 9 is provided on the pressing head 8, and the pressing head 8 is prevented from loosening during the pressing by tightening the fastening nut 9.

In order to facilitate the manual operation of the operating rod 6 to slide down, as shown in fig. 1, a pressing portion 601 having a radial dimension larger than that of the operating rod 6 is provided at the top of the operating rod 6 to facilitate manual pressing, and preferably, the pressing portion 601 is provided in a spherical shape. In addition, in order to facilitate the elastic recovery of the operating lever 6 after being depressed, as shown in fig. 2, a spring 10 is sleeved on the operating lever 6 between the pressing portion 601 and the connecting block 5, the spring 10 is compressed when the operating lever 6 is depressed, and the operating lever 6 is elastically recovered by the elastic force of the spring 10 when the pressure applied to the operating lever 6 is removed.

The manual push in device of liquid mouth rubber nail is annotated to electric core of this embodiment, it is down to drive pressure head 8 through operation action bars 6, and accomplish the pushing down of rubber nail 11 of filling liquid mouth 1201 position to adorning in advance, when being convenient for push down the rubber nail 11 and target in place, accomplish the pushing down of rubber nail 11 through operation action bars 6, can reduce manual operation's the degree of difficulty to be favorable to work efficiency's promotion, and have better practicality.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a manual push in device of mouth rubber nail is annotated to electric core for in annotating liquid mouth (1201) of electric core (12) are impressed rubber nail (11), this push in device of its characterized in that includes:

a base plate (1) which supports the bottom of the battery cell (12) so that a liquid injection port (1201) formed on the top of the battery cell (12) receives the rubber nail (11);

a support connection portion fixedly provided with respect to the substrate (1); the support connection has a height-adjustable connection block (5) held above the battery cells (12);

the operating rod (6) can elastically return to penetrate through the connecting block (5) in a vertical posture;

the pressure head (8) is fixedly connected to the bottom of the operating rod (6) and is positioned above the liquid injection port (1201); when the operating rod (6) is operated to drive the pressure head (8) to move downwards, the pressure head (8) presses the rubber nail (11) which is pre-installed at the liquid injection port (1201).

2. The manual pressing-in device for the rubber nail at the battery cell liquid injection port according to claim 1, characterized in that: a groove (201) for embedding part of the battery cell (12) is formed on the substrate (1).

3. The manual pressing-in device for the rubber nail at the battery cell liquid injection port according to claim 2, is characterized in that: a positioning plate (2) is fixed on the upper surface of the base plate (1), and the groove (201) is configured as a circular through hole which is formed on the positioning plate (2) in a penetrating way.

4. The manual pressing-in device for the rubber nail at the battery cell liquid injection port according to claim 1, is characterized in that: the connecting piece (5) is designed to match the linear bearing of the actuating lever (6).

5. The manual pressing-in device for the rubber nail at the battery cell liquid injection port according to claim 4, is characterized in that: the cover plate (7) is fixedly arranged on the operating rod (6) which penetrates through the connecting block (5) and is exposed below the connecting block (5) and extends along the radial direction of the operating rod (6).

6. The manual press-in device for the rubber nail at the battery cell liquid injection port according to claim 5, characterized in that: the projection of the cover plate (7) on the substrate (1) covers the battery core (12).

7. The manual pressing-in device for the rubber nail at the battery cell liquid injection port according to claim 1, wherein the support connection part comprises:

a support rod (3) fixed on the base plate (1) in a vertical posture;

the mounting block (4) is connected to the supporting rod (3) in a height-adjustable manner; the connecting block (5) is fixedly connected to one side of the mounting block (4) and is kept above the battery cell (12).

8. The manual pressing-in device for the rubber nail at the battery cell liquid injection port according to claim 1, is characterized in that: the pressure head (8) is screwed at the bottom of the operating rod (6).

9. The manual pressing-in device for the battery cell liquid injection port rubber nail according to any one of claims 1 to 8, is characterized in that: the top of the operating rod (6) is provided with a pressing part (601) with a radial dimension larger than that of the operating rod (6), and a spring (10) is sleeved on the operating rod (6) between the pressing part (601) and the connecting block (5).

10. The manual pressing-in device for the rubber nail at the battery cell liquid injection port according to claim 9, characterized in that: the pressing part (601) is spherical.