CN213878348U - Nailing rod and nailing equipment - Google Patents
Nailing rod and nailing equipment Download PDFInfo
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- CN213878348U CN213878348U CN202022860962.8U CN202022860962U CN213878348U CN 213878348 U CN213878348 U CN 213878348U CN 202022860962 U CN202022860962 U CN 202022860962U CN 213878348 U CN213878348 U CN 213878348U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a nailing rod and nailing equipment, wherein, the nailing rod comprises a rod body and a nailing head connected with one end of the rod body, the nailing head is used for abutting against a sealing glue nail and pressing the sealing glue nail into a liquid injection hole of a battery shell; the outer diameter of the rod body is D1, the maximum outer diameter of the nailing head is D2, the inner diameter of the liquid injection hole is D4, D1 is more than D4 is more than D2, and the nailing head can stretch into the liquid injection hole and press the sealing glue nail into the liquid injection hole. The utility model discloses a nailing pole and nailing equipment, the body of rod of nailing pole can not get into annotate the liquid downthehole, and the nailing head can stretch into annotate the liquid downthehole, through the length of reasonable setting nail beating head, can control the embedding of sealed glue nail and annotate the downthehole degree of depth of liquid, avoids sealed glue nail to annotate the downthehole embedding position of liquid and crosses dark or the shallow problem.
Description
Technical Field
The application relates to the technical field of battery processing, in particular to a nailing rod and nailing equipment.
Background
In the liquid injection process of the existing lithium ion battery, after a liquid supplementing procedure is completed, the interior of the battery needs to be vacuumized and helium needs to be returned, and then a sealing rubber nail needs to be punched, so that the purpose of preventing electrolyte and helium in the battery core from leaking is achieved. In view of the process, the liquid injection holes on the surface of the battery are generally small and limited in depth, and the pole pieces of some types of batteries are very close to the liquid injection holes, so that the sealing glue nails on the liquid injection holes have high accuracy and depth requirements; when the position of the sealing rubber nail is too shallow, the tightness of the liquid injection hole of the battery is difficult to guarantee, and the welding process of the sealing aluminum nail at the back is influenced, so that the welding effect of the sealing aluminum nail is influenced. When the position of the sealing rubber nail is too deep, the risk of stabbing the pole piece is also caused except the influence on the sealing performance of the liquid injection hole, and the potential safety hazard of the battery is very large.
SUMMERY OF THE UTILITY MODEL
Accordingly, there is a need for a nailing rod and nailing apparatus to solve the above problems.
The nailing rod of the utility model comprises a rod body and a nailing head connected with one end of the rod body, wherein the nailing head is used for abutting against a sealing rubber nail and pressing the sealing rubber nail into a liquid injection hole of a battery shell; the outer diameter of the rod body is D1, the maximum outer diameter of the nail striking head is D2, the inner diameter of the liquid injection hole is D4, D1 is larger than D4 and is larger than D2, and the nail striking head can extend into the liquid injection hole and further press the sealing rubber nail into the liquid injection hole.
In one embodiment, the length of the nailing head is L1, the length of the sealing rubber nail is L2, the depth of the liquid injection hole is H1, and H1 is not less than (L1+ L2).
In one embodiment, the nailing head comprises a side wall, a circular arc transition surface and an end surface, wherein the circular arc transition surface is connected between the side wall and the end surface, and the end surface is used for abutting against the sealing rubber nail and pressing the sealing rubber nail into the liquid injection hole; the side wall is a cylindrical surface, the outer diameter of the side wall is D2, the outer diameter of the end face is D5, and D2 is larger than D5.
In one embodiment, the nailing head comprises a side wall, a circular arc transition surface and an end surface, wherein the circular arc transition surface is connected between the side wall and the end surface, and the end surface is used for abutting against the sealing rubber nail and pressing the sealing rubber nail into the liquid injection hole; the side wall is a partial conical surface, the maximum outer diameter of the side wall is D2, the minimum outer diameter of the side wall is D6, the outer diameter of the end surface is D5, and D2 is larger than D6 and larger than D5.
In one embodiment, a first step surface is formed between the nailing head and the shank of the nailing shank; a liquid injection port is formed in the outer surface of the battery shell at a position corresponding to the liquid injection hole, one end of the liquid injection hole is communicated with the liquid injection port, and the other end of the liquid injection hole is communicated with the inner cavity of the battery shell; the inner diameter of the liquid injection port is D3, D3 is larger than D1 is larger than D4 is larger than D2, and a second step surface is formed between the liquid injection port and the liquid injection hole; the first step surface is used for being abutted against the second step surface, and further the depth of the sealing rubber nail embedded into the liquid injection hole is limited.
The utility model also provides a nailing device, which comprises a first driving piece, a second driving piece, a nailing nozzle and any one of the nailing rods, wherein the nailing nozzle is connected with the first driving piece and used for sealing the outer edge area of the liquid injection hole of the battery shell under the action of the first driving piece; one end of the nailing rod is connected with the second driving piece, the other end of the nailing rod movably penetrates through the nailing nozzle, and the nailing rod is used for driving the sealing glue nail into the liquid injection hole of the battery shell under the action of the second driving piece.
In one embodiment, the nailing device further comprises a positioning device for positioning the nailing nozzle and the nailing rod, so that the nailing nozzle can accurately seal the outer edge region of the liquid injection hole of the battery case, and so that the nailing rod can be aligned with the liquid injection hole accurately.
In one embodiment, the sealing rubber nail comprises a head part and a sealing part, the maximum outer diameter of the head part is D7, the maximum outer diameter of the sealing part is D8, D8 > D4 > D7, the head part is used for guiding the sealing rubber nail to enter the liquid injection hole, and the sealing part is used for being assembled into the liquid injection hole of the battery shell in an interference fit mode under the abutting pressure of the nailing rod and sealing the liquid injection hole.
In one embodiment, the nailing device further comprises an air duct, one end of the air duct is used for being connected with the nailing device, and the other end of the air duct penetrates through the nailing nozzle; a channel is arranged in the nailing nozzle, and the other end of the nailing rod movably penetrates through the channel; when the nailing nozzle seals the outer edge area of the liquid injection hole, the channel is communicated with the liquid injection hole; the air duct with the passageway is linked together, supply the binding device be used for to the air duct provides sealed glue nail, the air duct be used for with sealed glue nail passes through the nailing mouth insufflates in annotating the liquid is downthehole.
In one embodiment, one end of the air duct is further used for being connected with a vacuum pumping device, and the air duct is further used for pumping negative pressure to the battery through the nailing nozzle.
The utility model discloses a nailing pole and nailing equipment, its beneficial effect is:
the utility model discloses a nailing pole and nailing equipment through the structure of reasonable setting nailing pole, when the notes liquid hole of squeezing into battery case through the nailing pole with sealed glue nail, the body of rod of nailing pole can not get into annotate the liquid downthehole, and the nailing head can stretch into annotate the liquid downthehole to the nailing head can restrict sealed glue nail and impress the degree of depth of impressing in annotating the liquid downthehole. The length of beating the pin fin through reasonable setting, can control the downthehole degree of depth of liquid is annotated in the embedding of sealed gluey nail, avoids sealed gluey nail in annotating the downthehole embedding position too dark or too shallow problem of liquid.
Drawings
Fig. 1 is a schematic structural view of a nailing device at a pre-nailing station according to an embodiment of the present invention.
Fig. 2 is a longitudinal cross-sectional view of a battery case according to an embodiment of the present invention.
Fig. 3 is a schematic top view of a battery top cover according to an embodiment of the present invention.
Fig. 4 is a partial longitudinal cross-sectional view of a top cap of a battery at a filling hole according to an embodiment of the present invention.
Fig. 5 is a longitudinal cross-sectional view of a sealant nail according to an embodiment of the present invention.
Fig. 6 is a schematic longitudinal structure view of a nailing rod according to an embodiment of the present invention.
Fig. 7 is a schematic bottom view of a nailing rod according to an embodiment of the present invention.
Fig. 8 is a schematic longitudinal structure view of a nailing rod according to another embodiment of the present invention.
Fig. 9 is a partial longitudinal cross-sectional view of a top cap of a battery at a filling hole at a pre-nailing station according to an embodiment of the present invention.
Fig. 10 is a schematic structural view of a nailing device at a full nailing station according to an embodiment of the present invention.
Fig. 11 is a partial longitudinal cross-sectional view of the top cap of the battery at the filling hole during the full nailing station according to an embodiment of the present invention.
Reference numerals:
the nailing device 10, the second driving part 100, the nailing nozzle 200, the nailing rod 300, the rod body 310, the nailing head 320, the side wall 321, the arc transition surface 322, the end surface 323 and the first step surface 324; the gas guide tube 400, the battery 500, the liquid injection port 510, the liquid injection hole 520, the second step surface 530, the top cover 540, the aluminum shell layer 550, the rubber frame layer 560, the inner cavity 570, the sealing rubber nail 600, the head part 610 and the sealing part 620; a nail feeding device 700 and a vacuum pumping device 800; the outer diameter D1 of the rod body, the maximum outer diameter D2 of the nail head, the inner diameter D3 of the liquid injection port, the inner diameter D4 of the liquid injection hole, the outer diameter D5 of the end face, the minimum outer diameter D6 of the side wall, the maximum outer diameter D7 of the head part of the sealing glue nail, the maximum outer diameter D8 of the sealing glue nail, the length L1 of the nail head, the length L2 of the sealing glue nail and the depth H1 of the liquid injection hole.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" 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. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The present application provides a nailing rod 300 and nailing device 10 for driving a sealing rubber nail 600 into a liquid injection hole 520 of a battery 500 case. In one embodiment, the nailing apparatus 10 is constructed as shown in fig. 1, and includes a first driving member (not shown), a second driving member 100, a nailing tip 200 and a nailing rod 300, the nailing tip 200 being connected to the first driving member, the nailing tip 200 being adapted to seal an outer edge region of a liquid injection port 510 of a case of a battery 500 under the action of the first driving member; one end of the nailing rod 300 is connected to the second driving member 100, and the other end is movably inserted into the nailing nozzle 200, and the nailing rod 300 is used to drive the sealant nail 600 into the injection hole 520 of the battery 500 casing under the action of the second driving member 100.
In one specific embodiment, the structure of the battery 500 casing is shown in fig. 2 to 4, wherein fig. 2 is a longitudinal sectional view of the battery 500 casing, fig. 3 is a top view of the top cover 540 of the battery 500, and fig. 4 is a partial longitudinal sectional view of the top cover 540 of the battery 500 at the liquid injection hole 520. As shown in fig. 2 to 4, the battery 500 is a prismatic aluminum-can battery, and the liquid inlet 520 is opened in the top cover 540 of the battery 500. The outer surface of the top cover 540 of the battery 500 is also provided with a liquid injection port 510 at a position corresponding to the liquid injection hole 520, one end of the liquid injection hole 520 is communicated with the liquid injection port 510, and the other end is communicated with the inner cavity 570 of the shell of the battery 500; the inner diameter of the pouring outlet 510 is D3, the inner diameter of the pouring hole 520 is D4, D3 is greater than D4, and a second step surface 530 is formed between the pouring outlet 510 and the pouring hole 520. In addition, as shown in fig. 3, the top cover 540 of the battery 500 includes an aluminum casing 550 on the upper layer and a plastic frame 560 under the aluminum casing 550, the inner cavity 570 of the casing of the battery 500 is used for accommodating a cell formed by winding or laminating pole pieces and a diaphragm, and the plastic frame 560 is used for avoiding short circuit between the cell and the aluminum casing 550. In other embodiments, the pouring port 510 may not be formed on the outer surface of the top cover 540 of the battery 500, and the pouring hole 520 may be directly inserted into the top cover 540 of the battery 500.
Before the sealing rubber nail 600 is driven into the injection hole 520 of the top cover 540 of the battery 500, the battery 500 needs to be replenished with liquid and helium for the second time. After the secondary liquid and helium replenishment is completed, the battery 500 is sent to a preliminary nailing station as shown in fig. 1 and 9, wherein fig. 1 is a schematic structural view of the nailing device 10 at the time of preliminary nailing, and fig. 9 is a partial longitudinal sectional view of the top cover 540 of the battery 500 at the liquid injection hole 520 at the time of preliminary nailing. As shown in fig. 1, the nailing device 10 further comprises an air duct 400, one end of the air duct 400 is used for connecting with the nailing device 700, and the other end is arranged in the nailing nozzle 200 in a penetrating way; a channel is arranged in the nailing nozzle 200, the other end of the nailing rod 300 is movably arranged in the channel in a penetrating way, and the other end of the air duct 400 is also communicated with the channel. Firstly, the nailing nozzle 200 moves downwards to the outer edge area of the injection port 510 of the sealed battery 500 casing under the action of the first driving piece, and when the nailing nozzle 200 seals the outer edge area of the injection port 510, the channel in the nailing nozzle 200 is communicated with the injection hole 520; the nail feeding device 700 feeds the sealing rubber nail 600 to the air guide pipe 400, and the air guide pipe 400 blows the sealing rubber nail 600 into the injection hole 520 through the nailing nozzle 200. In other embodiments, when the pour opening 510 is not formed in the outer surface of the top cover 540 of the battery 500 and the pour hole 520 extends directly through the top cover 540 of the battery 500, the nailing nozzle 200 is moved downward by the first driving member until the outer surface of the top cover 540 corresponds to the outer edge region of the pour hole 520.
The structure of the sealant nail 600 is shown in FIG. 5, and includes a head part 610 and a sealing part 620, the maximum outer diameter of the head part 610 is D7, the maximum outer diameter of the sealing part 620 is D8, and D8 > D4 > D7 are shown in FIG. 5 and FIG. 9, wherein D4 is the inner diameter of the liquid injection hole 520, and D8 > D4 means that the maximum outer diameter D8 of the sealing part 620 is slightly larger than the inner diameter of the liquid injection hole 520, so that the sealing part 620 can be fitted in the liquid injection hole 520 by interference fit and seal the liquid injection hole 520. In one specific embodiment, the maximum outer diameter D8 of the sealing portion 620 is 3.15mm, and the inner diameter D4 of the liquid inlet 520 is 3 mm.
When the air duct 400 blows the sealant nail 600 into the injection hole 520 through the nailing nozzle 200, the head 610 of the sealant nail 600 first enters the injection hole 520, i.e., the head 610 of the sealant nail 600 can guide the sealant nail 600 into the injection hole 520. After the head 610 of the sealant nail 600 enters the injection hole 520, the nailing rod 300 is moved downward by the second driver 100 to abut against the sealing portion 620 of the sealant nail 600 and preload the sealant nail 600 into the injection hole 520, as shown in fig. 9. It should be noted that, at this time, at the pre-nailing station, the acting force applied by the second driving member 100 to the nailing rod 300 is small, only a small portion of the sealing portion 620 of the sealing rubber nail 600 enters the liquid injection hole 520, at this time, the sealing rubber nail 600 does not completely seal the liquid injection hole 520, so as to facilitate the negative pressure pumping of the internal cavity 570 of the battery 500 through the liquid injection hole 520 at the full nailing station, and then the nailing rod 300 moves upward under the action of the second driving member 100 to leave the sealing rubber nail 600.
In one embodiment, the nailing rod 300 is constructed as shown in fig. 6 and 7, wherein fig. 6 is a longitudinal structural view of the nailing rod 300, and fig. 7 is a bottom structural view of the nailing rod 300, as shown in fig. 6, 7 and 9, the nailing rod 300 comprises a rod body 310 and a nailing head 320 connected to one end of the rod body 310, the nailing head 320 is used for abutting against the sealant 600 and pressing the sealant 600 into the liquid injection hole 520 of the top cover 540 of the battery 500; the outer diameter of the rod body 310 is D1, the maximum outer diameter of the nailing head 320 is D2, D3 > D1 > D4 > D2, wherein D3 is the inner diameter of the liquid injection port 510, and D4 is the inner diameter of the liquid injection hole 520, so that the nailing head 320 can extend into the liquid injection hole 520 to press the sealing rubber nail 600 into the liquid injection hole 520, and the outer diameter D1 of the rod body 310 is larger than the inner diameter D4 of the liquid injection hole 520, therefore, the rod body 310 of the nailing rod 300 cannot enter the liquid injection hole 520, and the length of the nailing head 320 can limit the pressing depth of the sealing rubber nail 600 into the liquid injection hole 520.
In the embodiment shown in fig. 6, the nailing head 320 comprises a side wall 321, a circular arc transition surface 322 and an end surface 323, wherein the circular arc transition surface 322 is connected between the side wall 321 and the end surface 323, and the end surface 323 is used for abutting against the sealant nail 600 and pressing the sealant nail 600 into the liquid injection hole 520 of the battery 500 casing; the side wall 321 is a cylindrical surface, the outer diameter of the side wall 321 is the maximum outer diameter D2 of the nailing head 320, the outer diameter of the end face 323 is D5, and D2 is larger than D5.
After the secondary fluid infusion of the battery 500, the electrolyte of some batteries 500 is infused excessively and overflows to the infusion port 510 of the case of the battery 500, as shown in fig. 9, if a large amount of electrolyte exists at the infusion port 510 of a certain case of the battery 500, when the sealant nail 600 is blown into the infusion hole 520 through the air duct 400, the electrolyte may stick to the upper surface of the sealant nail 600. At the pre-nailing station, the nailing device 10 sequentially performs the pre-nailing operation on the continuously fed batteries 500, the nailing head 320 of the nailing rod 300 pre-presses the sealant 600 into the liquid injection hole 520, and if electrolyte is adhered to the upper surface of a certain sealant 600, the electrolyte is inevitably adhered to the nailing head 320 of the nailing rod 300. Because the viscosity of the electrolyte is higher, the viscosity after crystallization is higher, the weight of the sealant nail 600 is very light, and the friction between the sealant nail 600 and the hole wall of the liquid injection hole 520 is smaller at the pre-nailing station, if the nailing head 320 of the nailing rod 300 is adhered with the electrolyte, the nailing rod 300 may take away the sealant nail 600 when the nailing rod 300 leaves the sealant nail 600 under the action of the second driving member 100. Through setting up circular arc transition face 322 in nailing head 320 department, can reduce the area of terminal surface 323 to area of contact when can reducing the nailing head 320 and sealed gluey nail 600 butt, and then when driving station, nailing pole 300 in advance left sealed gluey nail 600 under the effect of second driving piece 100, can reduce the risk that nailing pole 300 will sealed gluey nail 600 take away.
In addition, in other embodiments, the end face 323 of the nailing head 320 may also be a partial conical surface, and as shown in fig. 8, the maximum outer diameter of the side wall 321 is D2, the minimum outer diameter of the side wall 321 is D6, and the outer diameter of the end face 323 is D5, D2 > D6 > D5. By designing the end face 323 of the striking head 320 to be a partially conical face, the area of the end face 323 of the striking head 320 can be further reduced, and the risk of the seal gum 600 being carried away by the striking rod 300 when the nail is pre-driven can be further reduced. In the embodiment shown in fig. 6 and 8, the nailing head 320 and the stem 310 are formed with a first step surface 324 therebetween, and the first step surface 324 is adapted to abut against a second step surface 530 at the injection hole 520 of the case of the battery 500, thereby limiting the depth to which the nailing rod 300 can press the sealant 600 into the injection hole 520.
When the preliminary nailing is completed, the battery 500 is sent to the full nailing station as shown in fig. 10 and 11, in which fig. 10 is a schematic view of the structure of the nailing device 10 at the time of full nailing, and fig. 11 is a partial longitudinal sectional view of the top cover 540 of the battery 500 at the pour hole 520 at the time of full nailing. As shown in fig. 10, when the nailing device 10 is fully nailed, one end of the airway tube 400 is connected to the evacuation device 800. The full nailing process is that firstly, the nailing nozzle 200 moves downwards to the outer edge area of the liquid injection port 510 of the sealed battery 500 shell under the action of the first driving piece, and the vacuumizing device 800 performs negative pressure pumping on the battery 500 through the air duct 400; when the battery 500 has a certain vacuum degree inside, the nailing rod 300 moves downward again under the action of the second driving member 100, as shown in fig. 11, the nailing head 320 of the nailing rod 300 abuts against the upper surface of the sealing rubber nail 600, the nailing head 320 of the nailing rod 300 extends into the liquid injection hole 520, the first step surface 324 of the nailing rod 300 abuts against the second step surface 530 at the liquid injection hole 520 of the casing of the battery 500, so that the sealing rubber nail 600 is driven into the liquid injection hole 520, and the length of the nailing head 320 also limits the depth of the nailing rod 300 pressing the sealing rubber nail 600 into the liquid injection hole 520.
In order to prevent the head 610 of the sealant nail 600 from protruding out of the lower port of the injection hole 520 and further piercing the battery cell in the battery 500 casing when the nail is fully inserted, as shown in fig. 4-6 and 11, the nailing head 320 has a length of L1, the sealant nail 600 has a length of L2, and the injection hole 520 has a depth of H1, H1 ≧ L1+ L2. In one embodiment, the nailing head 320 has a length L1 of 1mm, the sealant nail 600 has a length L2 of 3.5mm, and the injection hole 520 has a depth H1 of 5 mm.
In addition, in one embodiment, the nailing device 10 further includes a positioning means (not shown) for positioning the nailing nozzle 200 and the nailing rod 300, the positioning means enabling accurate alignment between the nailing nozzle 200 and the injection port 510 when the nailing nozzle 200 seals the injection port 510 of the case of the battery 500 by the first driving member; when the nailing rod 300 pre-presses or fully presses the sealant nail 600 into the injection hole 520 of the battery 500 casing under the action of the second driving member 100, the positioning device can realize accurate alignment between the nailing rod 300 and the injection hole 520.
In addition, in this application, the nailing rod 300 needs to have a certain hardness, and in order to prevent the conductive particles from dropping from the surface of the nailing rod 300 into the battery 500 during the nailing process, which causes the internal short circuit of the battery 500, the nailing rod 300 needs to be made of a non-conductive material. In one particular embodiment, the nailing rod 300 is made of a ceramic material.
The utility model provides a nailing pole 300 and nailing equipment 10, through the structure of reasonable setting nailing pole 300, when will seal gluey nail 600 through nailing pole 300 and squeeze into annotate liquid hole 520 of battery 500 casing in, the body of rod 310 of nailing pole 300 can not get into annotate in the liquid hole 520, and beat the pin head 320 and can stretch into annotate in the liquid hole 520 to it can restrict to seal gluey nail 600 and impress the degree of depth of impressing in annotating the liquid hole 520 to beat the pin head 320. Through the reasonable length that sets up the nail head 320, can control the sealed nail 600 and imbed the degree of depth in annotating the liquid hole 520, avoid sealed nail 600 to annotate the too dark or too shallow problem in the embedding position of liquid hole 520.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A nailing rod is characterized by comprising a rod body and a nailing head connected to one end of the rod body, wherein the nailing head is used for abutting against a sealing rubber nail and pressing the sealing rubber nail into a liquid injection hole of a battery shell; the outer diameter of the rod body is D1, the maximum outer diameter of the nail striking head is D2, the inner diameter of the liquid injection hole is D4, D1 is larger than D4 and is larger than D2, and the nail striking head can extend into the liquid injection hole and further press the sealing rubber nail into the liquid injection hole.
2. The nailing gun as claimed in claim 1, wherein the length of the nailing head is L1, the length of the sealing rubber nail is L2, and the depths of the liquid injection holes are H1 and H1＞(L1+L2)。
3. The nailing rod of claim 1, wherein the nailing head comprises a side wall, a radiused transition surface connected between the side wall and the end surface, and an end surface for abutting against the sealing gum and pressing the sealing gum into the filling hole; the side wall is a cylindrical surface, the outer diameter of the side wall is D2, the outer diameter of the end face is D5, and D2 is larger than D5.
4. The nailing rod of claim 1, wherein the nailing head comprises a side wall, a radiused transition surface connected between the side wall and the end surface, and an end surface for abutting against the sealing gum and pressing the sealing gum into the filling hole; the side wall is a partial conical surface, the maximum outer diameter of the side wall is D2, the minimum outer diameter of the side wall is D6, the outer diameter of the end surface is D5, and D2 is larger than D6 and larger than D5.
5. The nailing rod of any of claims 1-4, wherein a first step surface is formed between the nailing head and the rod body of the nailing rod; a liquid injection port is formed in the outer surface of the battery shell at a position corresponding to the liquid injection hole, one end of the liquid injection hole is communicated with the liquid injection port, and the other end of the liquid injection hole is communicated with the inner cavity of the battery shell; the inner diameter of the liquid injection port is D3, D3 is larger than D1 is larger than D4 is larger than D2, and a second step surface is formed between the liquid injection port and the liquid injection hole; the first step surface is used for being abutted against the second step surface, and further the depth of the sealing rubber nail embedded into the liquid injection hole is limited.
6. A nailing apparatus comprising a first driving member, a second driving member, a nailing tip and a nailing rod as claimed in any one of claims 1 to 5, wherein the nailing tip is connected to the first driving member, and the nailing tip is used for sealing an outer edge region of a liquid injection hole of a battery case under the action of the first driving member; one end of the nailing rod is connected with the second driving piece, the other end of the nailing rod movably penetrates through the nailing nozzle, and the nailing rod is used for driving the sealing glue nail into the liquid injection hole of the battery shell under the action of the second driving piece.
7. The nailing apparatus according to claim 6, further comprising a positioning means for positioning the nailing tip and the nailing rod so that the nailing tip can accurately seal the outer edge region of the liquid injection hole of the battery case and so that the nailing rod can be accurately aligned with the liquid injection hole.
8. The nailing apparatus according to claim 6, wherein the sealant nail includes a head portion and a sealing portion, the head portion has a maximum outer diameter of D7, the sealing portion has a maximum outer diameter of D8, D8 > D4 > D7, the head portion is configured to guide the sealant nail into the liquid injection hole, and the sealing portion is configured to be fitted into the liquid injection hole of the battery case by interference fit under the pressing of the nailing rod and seal the liquid injection hole.
9. The nailing apparatus according to claim 8, further comprising an air duct, one end of the air duct being adapted to be connected to a nail feeding device, the other end being inserted into the nailing nozzle; a channel is arranged in the nailing nozzle, and the other end of the nailing rod movably penetrates through the channel; when the nailing nozzle seals the outer edge area of the liquid injection hole, the channel is communicated with the liquid injection hole; the air duct with the passageway is linked together, supply the binding device be used for to the air duct provides sealed glue nail, the air duct be used for with sealed glue nail passes through the nailing mouth insufflates in annotating the liquid is downthehole.
10. The nailing apparatus of claim 9, wherein one end of the gas-guide tube is further adapted to be connected to a vacuum evacuation device, the gas-guide tube further adapted to evacuate the battery through the nailing nozzle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022860962.8U CN213878348U (en) | 2020-12-02 | 2020-12-02 | Nailing rod and nailing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022860962.8U CN213878348U (en) | 2020-12-02 | 2020-12-02 | Nailing rod and nailing equipment |
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| CN213878348U true CN213878348U (en) | 2021-08-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4142043A1 (en) * | 2021-08-26 | 2023-03-01 | Volkswagen Ag | Method for producing a battery cell |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4142043A1 (en) * | 2021-08-26 | 2023-03-01 | Volkswagen Ag | Method for producing a battery cell |
| DE102021209413A1 (en) | 2021-08-26 | 2023-03-02 | Volkswagen Aktiengesellschaft | Process for manufacturing a battery cell |
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Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Xinwangda Power Technology Co.,Ltd. Address before: 518107 Xinwangda Industrial Park, No.18, Tangjia south, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. |