CN214754083U

CN214754083U - Bearing device and plug pin system

Info

Publication number: CN214754083U
Application number: CN202120433521.1U
Authority: CN
Inventors: 不公告发明人
Original assignee: Wuxi Lead Intelligent Equipment Co Ltd
Current assignee: Wuxi Lead Intelligent Equipment Co Ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-11-16
Anticipated expiration: 2031-02-25

Abstract

The utility model discloses a bearing device and a nail inserting system, the bearing device comprises a bearing main body, an end cover and a first sealing ring, the bearing main body is provided with a first via hole, the end cover is arranged on the bearing main body, the end cover is provided with a second via hole communicated with the first via hole, the first sealing ring is embedded in the bearing main body or the end cover, a hole enclosed by the first sealing ring is communicated with the first via hole and the second via hole, the inner diameter of the first sealing ring is smaller than the outer diameter of a rubber nail, the diameters of the first via hole and the second via hole are larger than or equal to the outer diameter of the rubber nail and smaller than the length of a diagonal line in the axial cross section of the rubber nail, so that the rubber nail can be clamped in the first sealing ring when being placed in the first via hole or the second via hole, thereby realizing the accurate positioning of the rubber nail, and the rubber nail can not turn over when moving in the first via hole or the second via hole, thereby facilitating the follow-up accurate insertion of the rubber nail into a battery shell, is beneficial to improving the quality of the finished product of the battery.

Description

Bearing device and plug pin system

Technical Field

The utility model relates to a battery preparation technical field, in particular to bear device and insert nail system.

Background

With the rapid development of new energy technology, lithium ion batteries are widely used in various electronic devices due to their advantages of high voltage, high energy, many times of recycling, long storage time, and the like. After the electrolyte of the lithium ion battery is injected and formed, bubbles are generated in the battery cell, so that after the electrolyte is injected and formed, the inside of the lithium ion battery needs to be vacuumized to eliminate the bubbles, and the electrolyte injection hole is plugged by a glue nail.

The inventor of the application finds in long-term research and development that the process of inserting the glue nail can be completed manually at present, but the manual operation efficiency is low, the position accuracy of the glue nail insertion is poor, and the quality of the battery can be affected. Or can carry the rubber nail to inserting the rubber nail passageway through the hose, the rethread push rod inserts the rubber nail, but the easy upset dislocation that produces of rubber nail in the transportation process leads to the rubber nail can't insert battery case with correct gesture, influences follow-up processing.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bear device and insert nail system to it is difficult fixed to solve among the prior art to glue the nail, causes the gesture mistake or the inaccurate technical problem in position that insert battery case.

In order to solve the above technical problem, the utility model discloses a technical scheme provide a bear device, include:

the bearing body is provided with a first through hole;

the end cover is covered on the bearing main body and is provided with a second through hole communicated with the first through hole;

the first sealing ring is embedded in the bearing main body or the end cover, a hole surrounded by the first sealing ring is communicated with the first via hole and the second via hole, the inner diameter of the first sealing ring is smaller than the outer diameter of the rubber nail, and the diameter of the first via hole and the diameter of the second via hole are larger than or equal to the outer diameter of the rubber nail and smaller than the length of a diagonal line in the cross section of the rubber nail in the axial direction.

In a specific embodiment, a second sealing ring is disposed between the bearing body and the end cap to enhance the sealing property between the bearing body and the end cap.

In a specific embodiment, one end of the bearing main body, which faces away from the end cap, is provided with a third sealing ring, and the third sealing ring is used for abutting against a battery shell so as to enhance the sealing performance between the bearing main body and the battery shell.

In a specific embodiment, the bearing main body deviates from the one end of end cover is formed with the groove of stepping down, the third sealing washer set up in the inslot of stepping down, the groove of stepping down is trapezoidal setting along the ascending cross-section in vertical direction, just the groove of stepping down is kept away from the width of the one end of end cover is less than the groove of stepping down is close to the width of the one end of end cover.

In a specific embodiment, a groove is formed in an end face of one end of the bearing main body, which is away from the end cover, a plurality of protrusions are formed in the middle of the groove, the plurality of protrusions are arranged at intervals along the circumferential direction of the first via hole, a first air channel is formed between every two adjacent protrusions, and a first air hole communicated with the first air channel is formed in the end face.

In a specific embodiment, the bearing main body is formed with a second air passage, one end of the second air passage is communicated with the first air hole, and the other end of the second air passage is used for being communicated with an external air extraction device and extracting air in the battery shell.

In a specific embodiment, a third air channel is formed in the bearing main body, one end of the third air channel is communicated with the first via hole, and the other end of the third air channel is used for being communicated with an external air blowing device or an external liquid blowing device so as to clean the side wall of the first via hole.

In order to solve the above technical problem, the utility model discloses an another technical scheme provides an insert nail system, include:

the bearing device is the bearing device;

the ejector rod device comprises an ejector rod and a driving piece, the driving piece is used for driving the ejector rod to extend into the second through hole so as to be clamped in the rubber nail abutting joint in the first sealing ring, the rubber nail is further driven to be far away from one end of the end cover through the first through hole, and then the rubber nail is ejected into the liquid injection hole of the battery shell, which is deviated from one end abutting joint of the end cover, of the bearing main body.

In a specific embodiment, the plug pin system further comprises a buffer compression mechanism, and the buffer compression mechanism is connected between the ejector rod and the driving part and used for providing buffer force and pressing force between the bearing device and the ejector rod device in the process that the driving part drives the ejector rod.

In a specific embodiment, the buffer compressing mechanism comprises:

the mounting plate is connected with the driving piece;

the pressing block is arranged at an interval with the mounting plate and is used for abutting against the bearing main body;

the elastic piece is arranged between the mounting plate and the pressing block;

wherein, the ejector pin with the mounting panel is connected and is run through the briquetting setting.

The bearing device of the utility model comprises a bearing main body, an end cover and a first sealing ring, wherein the bearing main body is provided with a first via hole, the end cover is arranged on the bearing main body, the end cover is provided with a second via hole communicated with the first via hole, the first sealing ring is embedded in the bearing main body or the end cover, a hole surrounded by the first sealing ring is communicated with the first via hole and the second via hole, the inner diameter of the first sealing ring is smaller than the outer diameter of the glue nail, the diameters of the first via hole and the second via hole are larger than or equal to the outer diameter of the glue nail and smaller than the length of a diagonal line in the section of the glue nail in the axial direction, so that the rubber nail can be clamped in the first sealing ring when being placed into the first through hole or the second through hole, thereby realize the accurate location of glue nail to can not produce the upset when first via hole or second via hole internal motion, be convenient for follow-up accurately insert the battery case with glue nail, be favorable to improving the off-the-shelf quality of battery.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

FIG. 1 is a schematic cross-sectional view of an embodiment of a carrying device according to the present invention;

FIG. 2 is a schematic cross-sectional view of the bearing device, the rubber nails and the absorption rods in the embodiment of the bearing device of the present invention;

fig. 3 is a schematic bottom view of the embodiment of the carrying device of the present invention;

FIG. 4 is a schematic cross-sectional view taken along A-A of FIG. 3;

FIG. 5 is a schematic structural diagram of a nail insertion system according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a structure of the utility model in a right view;

FIG. 7 is a schematic flow chart of a nail inserting process in an embodiment of the nail inserting system of the present invention;

fig. 8 is a schematic sectional structure view of the ram apparatus of fig. 6 taken along the direction B-B.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

The terms "first" and "second" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. While the term "and/or" is merely one type of association that describes an associated object, it means that there may be three types of relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

Referring to fig. 1 and 2, the bearing device 10 of the present invention includes a bearing main body 100, an end cap 200 and a first sealing ring 310, the bearing main body 100 is formed with a first via hole 101, the end cap 200 is covered on the bearing main body 100, the end cap 200 is formed with a second via hole 201 communicated with the first via hole 101, the first sealing ring 310 is embedded in the bearing main body 100 or the end cap 200, a hole defined by the first sealing ring 310 is communicated with the first via hole 101 and the second via hole 201, an inner diameter of the first sealing ring 310 is smaller than an outer diameter of the glue nail 20, a diameter of the first via hole 101 and the second via hole 201 is larger than or equal to an outer diameter of the glue nail 20, so that the glue nail 20 can be clamped in the first sealing ring 310 when being placed in the first via hole 101 or the second via hole 201, thereby achieving precise positioning of the glue nail 20, and the diameter of the first via hole 101 and the second via hole 201 is smaller than a length of a diagonal line in a cross section of the glue nail 20 along an axial direction thereof, the glue nail 20 cannot be transversely placed or even turned in the first through hole 101 and the second through hole 201, so that the glue nail 20 can be conveniently and accurately inserted into a battery shell (not shown in the figure) subsequently, and the quality of a battery finished product is improved.

In the embodiment, the end cap 200 is formed with a first receiving groove 202, and the first sealing ring 310 is disposed in the first receiving groove 202, so that the glue nail 20 can be fixed by the first sealing ring 310 after being sent into the second via hole 201.

In this embodiment, the positioning of the glue nail 20 can be realized by the external adsorption rod 30 carrying the main body 100. Specifically, an adsorption hole (not shown in the figure) is formed in the adsorption rod 30, when the glue nail 20 needs to be positioned, the adsorption rod 30 extends into the first via hole 101 from the bottom of the bearing main body 100 and penetrates through the first via hole 101 and the second via hole 201, the adsorption rod 30 adsorbs the glue nail 20 and drives the glue nail 20 to retract, so that the glue nail 20 enters the second via hole 201 and is clamped in the first sealing ring 310, the adsorption rod 30 continues to retract, because the adsorption force of the adsorption rod 30 on the glue nail 20 is smaller than the friction force of the first sealing ring 310 on the glue nail 20, the glue nail 20 can be separated from the adsorption rod 30, the glue nail 20 is fixed in the first sealing ring 310, and the positioning process of the glue nail 20 is completed.

In this embodiment, a second sealing ring 320 is disposed between the bearing main body 100 and the end cap 200, a second receiving groove 102 is formed on an end surface of the bearing main body 100 close to one end of the end cap 200, the second sealing ring 320 is disposed in the second receiving groove 102, a gap between the end cap 200 and the bearing main body 100 can be reduced by disposing the second sealing ring 320, so as to enhance the sealing performance between the bearing main body 100 and the end cap 200, facilitate the improvement of the sealing performance when being butted with a battery case, and reduce the air leakage.

In this embodiment, the end of the bearing main body 100 away from the end cap 200 is provided with the third sealing ring 330, the end of the bearing main body 100 away from the end cap 200 is formed with the receding groove 103, the third sealing ring 330 is disposed in the receding groove 103, and the third sealing ring 330 is used for abutting against the battery case, so that the gap between the bearing main body 100 and the battery case can be reduced when the bearing main body is abutted against the battery case, thereby enhancing the sealing performance between the bearing main body 100 and the battery case and reducing the air leakage.

In the present application, the vertical direction is defined as the up-down direction in fig. 1.

In this embodiment, the section of the receding groove 103 in the vertical direction is in a trapezoid shape, the width of the end of the receding groove 103 far away from the end cover 200 is smaller than the width of the end of the receding groove 103 close to the end cover 200, and the width of the end of the receding groove 103 far away from the end cover 200 is smaller than or equal to the diameter of the third sealing ring 330, so that the third sealing ring 330 can be prevented from falling off.

Referring to fig. 3, a groove 104 is formed on an end surface of one end of the bearing main body 100 away from the end cap 200, and the groove 104 may be disposed in an elliptical shape and can be engaged with an upper end surface of a battery case, so as to position the battery case and improve the sealing performance between the bearing main body 100 and the battery case.

Referring to fig. 4, in this embodiment, a plurality of protrusions 110 are formed in the middle of the groove 104, the plurality of protrusions 110 are arranged in a fan shape and are spaced apart from each other along the circumferential direction of the first via hole 101, a first air channel 105 is formed between two adjacent protrusions 110, a first air hole 106 communicated with the first air channel 105 is formed on the end surface, a second air channel (not shown) is formed on the bearing body 100, one end of the second air channel is communicated with the first air hole 106, and the other end of the second air channel is used for being communicated with an external air suction device (not shown) through a first connection port 107, when the main body 100 is abutted to the battery case, the first through hole 101 corresponds to the liquid injection hole of the battery case, the protrusion 110 abuts against the periphery of the liquid injection hole, and the external air-extracting device is used for extracting the gas in the battery case from the liquid injection hole through the second air passage, the first air hole 106 and the first air passage 105.

In this embodiment, the bearing body 100 may be formed with a third air channel 108, one end of the third air channel 108 is communicated with the first via hole 101, and the other end is used for being communicated with an external air blowing device or an external liquid blowing device (not shown in the figure) through a second connection port 109, so as to clean the side wall of the first via hole 101.

Specifically, the impurities such as the electrolyte solution in the first via hole 101 can be blown out by blowing air with the external air blowing device, or the side wall of the first via hole 101 can be cleaned by blowing a cleaning solution such as DMC (Dimethyl carbonate) into the first via hole 101 with the external air blowing device.

Referring to fig. 5 to 7d, the embodiment of the present invention includes a bearing device 10 and a pin ejecting device 40, wherein the structure of the bearing device 10 refers to the embodiment of the bearing device 10, and is not described herein again.

In this embodiment, the ejector rod device 40 includes an ejector rod 400 and a driving member 510, the driving member 510 is used for driving the ejector rod 400 to extend into from the second via hole 201 so as to abut against the glue nail 20 clamped in the first sealing ring 310, and further eject the glue nail 20 from one end of the first via hole 101 away from the end cap 200, and further eject into the liquid injection hole of the battery case abutting against one end of the bearing main body 100 away from the end cap 200, thereby completing the insertion process of the glue nail 20.

In this embodiment, the nailing system may further comprise a driving member 520, wherein the driving member 520 is used for driving the carrier device 10 to move towards or away from the ram device 40, so as to facilitate the adjustment of the relative positions of the carrier device 10 and the ram device 40.

In this embodiment, both the driver 510 and the driver 520 can be servo motors, which can make the control more precise.

In this embodiment, the nailing system further comprises a buffering and pressing mechanism 600, wherein the buffering and pressing mechanism 600 is connected between the ram 400 and the driving member 510 and is used for providing buffering force and pressing force between the carrier device 10 and the ram device 40 during the driving of the ram 400 by the driving member 510, so that the sealing performance between the carrier device 10 and the ram device 40 is better.

In this embodiment, the buffering and compressing mechanism 600 includes a mounting plate 610, a pressing block 620 and an elastic member 630, the mounting plate 610 is connected to the driving member 510, the pressing block 620 and the mounting plate 610 are disposed at an interval for abutting against the bearing body 100, the elastic member 630 is disposed between the mounting plate 610 and the pressing block 620, and the push rod 400 is connected to the mounting plate 610 and disposed to penetrate through the pressing block 620.

Specifically, before the nail inserting process, the distance between the mounting plate 610 and the pressing block 620 is the largest (as shown in fig. 7 a); when inserting the nail, the top rod 400 abuts against the glue nail 20 first, and pushes the glue nail 20 to move in the first through hole 101 (as shown in fig. 7 b); then the pressing block 620 abuts against the end cover 200 of the bearing device 10, the top rod 400 and the pressing block 620 continue to be pressed downwards, the elastic member 630 is compressed, the distance between the pressing block 620 and the mounting plate 610 decreases, and the glue nail 20 continues to move downwards (as shown in fig. 7 c) until the glue nail 20 is pushed out of the first through hole 101 and inserted into the liquid injection hole of the battery shell (as shown in fig. 7 d). After the nail inserting process is completed, the driving member 510 drives the top bar 400 to retract, and the buffering and compressing mechanism 600 is reset under the action of the elastic member 630, so as to perform the next nail inserting process.

In this embodiment, the buffering and compressing mechanism 600 may further include a guide rod 640, the guide rod 640 penetrates through the mounting plate 610 and is connected to the pressing block 620, the elastic member 630 may be sleeved on the guide rod 640, and the guide rod 640 may be arranged to guide the movement of the pressing block 620, so that the pressing block 620 is more stable in the movement process.

In this embodiment, a fourth sealing ring 621 may be disposed on an end surface of the pressing block 620 facing away from the end surface of the mounting plate 610, and the fourth sealing ring 621 may abut against the end cover 200 of the bearing device 10 to increase the sealing performance between the pressing block 620 and the bearing device 10.

In this embodiment, a limiting block 650 may be further connected to a side of the guide bar 640 away from the pressing block 620, so as to limit the guide bar 640 and prevent the guide bar 640 from separating from the mounting plate 610.

In this embodiment, a buffer 660 may be further disposed between the limiting block 650 and the mounting plate 610, so as to prevent the limiting block 650 and the mounting plate 610 from directly contacting to cause wear.

In this embodiment, a bearing 670 may be further disposed between the guide bar 640 and the mounting plate 610, so as to reduce friction between the guide bar 640 and the mounting plate 610, and prolong the service life of the guide bar 640 and the mounting plate 610.

In this embodiment, the buffering and compressing mechanism 600 further includes a first sleeve 681 and a second sleeve 682 sleeved outside the elastic member 630, the first sleeve 681 is connected to the mounting plate 610, the second sleeve 682 is connected to the pressing block 620, and an outer diameter of one of the first sleeve 681 and the second sleeve 682 is smaller than or equal to an inner diameter of the other one, so that when the elastic member 630 is compressed, the first sleeve 681 and the second sleeve 682 can form a mutually nested form, and the first sleeve 681 and the second sleeve 682 can protect the guide bar 640 and the elastic member 630, and the appearance of the buffering and compressing mechanism 600 can be more regular.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A load bearing device, comprising:

the bearing body is provided with a first through hole;

2. The carrier device of claim 1, wherein a second seal is disposed between the carrier body and the end cap to enhance the seal between the carrier body and the end cap.

3. The bearing device of claim 1 wherein an end of the bearing body facing away from the end cap is provided with a third sealing ring for abutting against a battery housing to enhance sealing with the battery housing.

4. The carrying device according to claim 3, wherein a yielding groove is formed at one end of the carrying main body, which is away from the end cover, the third sealing ring is arranged in the yielding groove, the yielding groove is trapezoidal in cross section in the vertical direction, and the width of the end, which is away from the end cover, of the yielding groove is smaller than the width of the end, which is close to the end cover, of the yielding groove.

5. The bearing device according to claim 1, wherein a groove is formed in an end face of one end of the bearing body, which faces away from the end cover, a plurality of protrusions are formed in the middle of the groove, the protrusions are arranged at intervals along the circumferential direction of the first through hole, a first air channel is formed between every two adjacent protrusions, and a first air hole communicated with the first air channel is formed in the end face.

6. The carrier as claimed in claim 5, wherein the carrier body is formed with a second air passage channel having one end communicating with the first air hole and the other end for communicating with an external air-extracting device for extracting air from inside the battery case.

7. The carrying device according to claim 1, wherein the carrying body is formed with a third air passage channel, one end of the third air passage channel is communicated with the first via hole, and the other end of the third air passage channel is used for being communicated with an external air blowing device or an external liquid blowing device so as to be used for cleaning the side wall of the first via hole.

8. A nailing system comprising:

a carrier device according to any one of claims 1 to 7;

9. The nailing system of claim 8, further comprising a cushioning compression mechanism connected between the ram and the driving member for providing cushioning force and compression force between the carrier and the ram assembly during driving of the ram by the driving member.

10. The nailing system of claim 9, wherein the cushioning compression mechanism comprises:

the mounting plate is connected with the driving piece;