CN211428280U

CN211428280U - Battery core hot-stamping needle and hot-stamping hole mechanism applying same

Info

Publication number: CN211428280U
Application number: CN201921672192.5U
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: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-09-04
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses an electricity core scalds needle and uses its hole mechanism that scalds, this electricity core scalds the needle and is hollow tubulose, and electricity core scalds the needle including inlet port, inner chamber and the venthole that communicates in proper order. In this way, the utility model discloses can carry out the non-contact heating to the inner wall of electric core to avoid damaging electric core.

Description

Battery core hot-stamping needle and hot-stamping hole mechanism applying same

Technical Field

The utility model relates to a battery production facility field, in particular to electricity core scalds needle and uses its hole mechanism that scalds.

Background

In the production process of the battery, the battery core after the winding is completed comprises a hollow cavity, and then the core rod is required to be inserted into the hollow cavity of the battery core, so that the hollow cavity of the battery core is required to be ironed, the inner wall of the hollow cavity is smooth, and the core rod is convenient to insert rapidly.

The hole is scalded to current boiling hot hole mechanism adoption contact, adopts the boiling hot needle that is heated to insert the well cavity of electric core, utilizes the inner wall contact of boiling hot needle and electric core in order to heat electric core. However, when the contact type hot hole mode is adopted, particularly when the position of the battery cell or the hot needle deviates, the membrane is easily scratched by the inner wall of the hot needle contacting the battery cell, so that the battery cell is scrapped.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides an electricity core scalds needle and uses its hole mechanism that scalds to solve prior art contact and scald the hole and produce the problem of damage to electric core easily.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides an electricity core scalds needle, electricity core scalds the needle and is hollow tubulose, electricity core scalds the needle including inlet port, inner chamber and the venthole that communicates in proper order.

According to the utility model provides an embodiment, electric core scalds the needle and includes the main part pipe and is located the needle point of main part pipe one end.

According to the utility model provides an embodiment, the inlet port set up in the tip of needle point one end is kept away from to the main part pipe, the venthole set up in on the lateral wall of main part pipe.

For solving the technical problem, the utility model discloses a another technical scheme is: the hole scalding mechanism comprises the electric core scalding needle, and further comprises a hot air assembly, wherein the hot air assembly is communicated with an air inlet hole of the electric core scalding needle to provide hot air for the electric core scalding needle.

According to the utility model provides an embodiment, scald hole mechanism and still include drive arrangement, drive arrangement with electric core scalds the needle and connects, in order to drive electric core scalds that the needle advances or retreats.

According to the utility model provides an embodiment, drive arrangement includes: mounting a plate; the first driving assembly is arranged on the mounting plate, and the driving block is connected with the first driving assembly and used for mounting the battery core ironing needle.

According to the utility model provides an embodiment, scald hole mechanism and still include pressure measurement, pressure measurement is used for detecting the pressure information that needle was scalded to electric core.

According to the utility model provides an embodiment, pressure detection device includes: a base plate; the first sliding rail is arranged on the bottom plate; the first sliding block is arranged on the first sliding rail in a sliding mode and is connected with a driving block of the driving device; the second sliding rail is arranged on the first sliding block; the second sliding block is arranged on the second sliding rail in a sliding mode, the sliding direction of the second sliding block is parallel to that of the first sliding block, and the battery cell ironing needle is arranged on the second sliding block; the pressure sensor is fixedly arranged on the first sliding block, and one end, close to the second sliding block, of the pressure sensor is provided with a pressing block; the driving device drives the first slider to slide close to the second slider, so that the pressing block is abutted to the second slider and drives the second slider to slide, the battery cell ironing needle is driven to advance, and the pressure sensor is used for detecting the pressure between the first slider and the second slider so as to obtain the pressure information of the battery cell ironing needle.

According to the utility model provides an embodiment, pressure detection device still includes: the supporting seat is arranged on the bottom plate, and a sliding groove is formed in the supporting seat and used for slidably accommodating at least part of the electric core hot needle.

According to the utility model provides an embodiment, scald hole mechanism and still include rotary device, rotary device includes: the mounting seat is arranged on the second sliding block; the second driving assembly is arranged on the mounting seat; the rotating shaft is rotatably arranged on the mounting seat and connected with the second driving assembly, and one end of the rotating shaft is fixed with the battery cell ironing needle.

The utility model has the advantages that: be different from the condition of prior art, the utility model discloses a scald the needle with electric core and set up to hollow tubulose to set up inlet port, inner chamber and the venthole that communicates in proper order, thereby hot-air component can loop through inlet port, inner chamber and venthole and scald the lateral wall output hot-air of needle from electric core, and heat the inner wall of electric core. Because electric core scalds the needle and does not contact between the electric core to heat the inner wall of electric core through the better hot-air of mobility, guarantee on the one hand that the inner wall heating of electric core is even soft, it is effectual to heat, and be difficult to produce direct effort and lead to electric core to damage to the inner wall of electric core, on the other hand solves electric core and scalds the needle owing to lead to buckling the problem with electric core direct contact, improves electric core and scalds the life of needle.

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 structural diagram of an embodiment of a battery cell ironing needle provided by the present invention;

fig. 2 is a schematic structural view of an embodiment of the hole ironing mechanism provided in the present invention;

fig. 3 is a schematic structural view of another embodiment of the hole ironing mechanism provided by the present invention;

fig. 4 is a schematic structural view of another embodiment of the hole ironing mechanism provided by the present invention.

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 belong to the protection scope of the present invention.

It should be noted that, if the present invention relates to a directional indication, the directional indication is only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1, the present invention provides an electric core hot stamping needle 10, wherein the electric core hot stamping needle 10 is in a hollow tubular shape, and the electric core hot stamping needle 10 includes an air inlet, an inner cavity and an air outlet which are sequentially connected. Specifically, the cell ironing needle 10 is hollow to form an inner cavity inside.

As shown in fig. 1, the cell ironing needle 10 includes a main body tube 100 and a needle tip 200 located at one end of the main body tube 100, and specifically, the main body tube 100 and the needle tip 200 may be an integrally molded structure, and the diameter of the needle tip 200 is gradually reduced in a direction away from the main body tube 100, so that the needle tip 200 has a pointed end.

In a specific embodiment, the air inlet of the electric core stamping needle 10 is disposed at an end of the main tube 100 far from the needle tip 200, and the air outlet is disposed on a side wall of the main tube 100.

In other embodiments, the air inlet hole is disposed at other positions of the main tube 100, such as on the sidewall of the main tube 100, and the air outlet hole can also be disposed on the sidewall of the needle tip 200, which is not limited herein.

Specifically, the air outlet hole may be provided in plurality and around the main body pipe 100.

Referring to fig. 2 to 4, the present invention further provides a hole-ironing mechanism 20, wherein the hole-ironing mechanism 20 includes the electric core-ironing pin 10 described in any of the above embodiments. This scald hole mechanism 20 still includes hot-air component 300, and this hot-air component 300 scalds needle 10 intercommunication with electric core, specifically scalds the inlet port intercommunication of needle 10 and then scalds the inner chamber intercommunication of needle 10 with electric core through scalding the needle 10 with electric core to give electric core and scald needle 10 and provide hot-air.

In a specific scenario, the hole scalding mechanism 20 is configured to scald a hole for the electric core, when the hole is scalded, the electric core scalding needle 10 is configured to be inserted into the hollow cavity of the electric core, and then the hot air component 300 provides hot air for the electric core scalding needle 10, so that the hot air enters the inner cavity from the air inlet, and then comes out from the air outlet to heat the inner wall of the hollow cavity of the electric core.

Specifically, the diameter of the battery core ironing needle 10 is smaller than the diameter of the hollow cavity of the battery core, so that the battery core ironing needle 10 does not directly contact with the inner wall of the battery core when inserted into the hollow cavity of the battery core. The diaphragm in the hollow cavity of the battery cell is directly blown and attached to the inner wall through hot air, so that the inner wall is more round.

In the above embodiment, the electric core hot stamping pin 10 is set to be in a hollow tubular shape, and the air inlet hole, the inner cavity and the air outlet hole which are sequentially communicated are provided, so that the hot air component 300 can sequentially pass through the air inlet hole, the inner cavity and the air outlet hole to output hot air from the side wall of the electric core hot stamping pin 10, and heat the inner wall of the electric core. Because electric core scalds needle 10 and does not contact between the electric core to heat the inner wall of electric core through the better hot-air of mobility, guarantee on the one hand that the inner wall heating of electric core is even soft, it is effectual to heat, and be difficult to produce direct effort and lead to electric core to damage to the inner wall of electric core, on the other hand solve electric core scald needle 10 because lead to buckling the problem with electric core direct contact, improve electric core and scald the life of needle 10.

As shown in fig. 2, in an exemplary embodiment, the hot air assembly 300 includes an air supplier 310 and a heater 320, the air supplier 310 and the heater 320 may communicate through a first conduit 330, and the air supplier 310 may be, for example, an air source or a compressor, etc. for supplying air to the heater 320 through the first conduit 330; the heater 320 includes a heating chamber and heating elements such as heating tubes or heating wires arranged in the heating chamber, and the air supplied by the air supplier 310 is heated by the heating tubes or heating wires through the heating chamber to form hot air, and is further output. Specifically, the heater 320 may communicate with the cell ironing needle 10 through the second duct 340, so as to provide hot air to the cell ironing needle 10 through the second duct 340.

In other embodiments, the hot air assembly 300 may also be an integrated heating assembly, and may directly provide hot air, which is not limited herein.

As shown in fig. 3, the hole burning mechanism 20 further includes a driving device 400, where the driving device 400 is connected to the electric core burning needle 10 to drive the electric core burning needle 10 to move forward or backward, so that the electric core burning needle 10 is close to or far away from the electric core.

In a specific embodiment, the battery core is fixed at one position, the driving device 400 drives the battery core ironing needle 10 to be close to the battery core and to be inserted into the hollow cavity of the battery core, and after the heating of the inner wall of the battery core is completed, the driving device 400 further drives the battery core ironing needle 10 to be away from the battery core.

As shown in fig. 3 and 4, the driving apparatus 400 includes a mounting plate 410, a first driving assembly 420, and a driving block 450. The first driving assembly 420 is disposed on the mounting plate 410, and the driving block 450 is connected to the first driving assembly 420, and is configured to mount the battery cell ironing pin 10.

Specifically, the driving device 400 further includes a lead screw 430 and a lead screw nut 440. The driving end of the first driving assembly 420 is provided with a first driving wheel 421, and specifically, the first driving assembly 420 may be a driving motor. One end of the screw 430 is disposed on the mounting plate 410 through the screw support 431, the screw 430 is rotatably disposed on the screw support 431, the other end of the screw 430 is disposed with a first driven wheel 432, and the first driving wheel 421 and the first driven wheel 432 can be connected through a first driving belt 460. The lead screw nut 440 is movably disposed on the lead screw 430, the driving block 450 is disposed on the lead screw nut 440, and the driving block 450 may be used for mounting the battery cell ironing pin 10.

Specifically, the driving block 450 may mount the cell ironing needle 10 through the driving connection block 451.

In a specific scenario, the first driving assembly 420 drives the first driving wheel 421 to rotate so as to drive the first driven wheel 432 to rotate, and then drives the lead screw 430 to rotate relative to the lead screw nut 440, so that the lead screw nut 440 performs linear displacement on the lead screw 430, and drives the electric core ironing needle 10 to perform linear displacement through the driving block 450. Specifically, the rotation direction and speed of the first driving wheel 421 may be controlled to control the moving direction and speed of the cell ironing needle 10.

In one embodiment, the first driving wheel 421 and the first driven wheel 432 can be pulleys, and the first transmission belt 460 is a transmission belt. In another embodiment, the first driving pulley 421 and the first driven pulley 432 can also be gears, and the first transmission belt 460 is a chain.

As shown in fig. 4, the hole burning mechanism 20 further includes a pressure detection device 500, where the pressure detection device 500 is configured to detect pressure information of the cell burning needle 10, in a specific embodiment, the driving device 400 may be controlled to stop driving the cell burning needle 10 to approach the cell according to the pressure information, and in other embodiments, the hole burning mechanism 20 may further include an alarm connected to the pressure detection device 500, and the alarm may give an alarm according to the pressure information.

Specifically, the pressure detection device 500 is configured to detect pressure information between the electric core ironing needle 10 and the electric core, and determine whether the electric core ironing needle 10 is jammed with the electric core according to the pressure information, so as to control the driving device 400 to stop driving the electric core ironing needle 10 to approach the electric core.

As shown in fig. 4, the pressure detecting device 500 includes a base plate 510, a first slide rail 520, a first slider 530, a second slide rail 540, a second slider 550, and a pressure sensor 560.

The bottom plate 510 and the mounting plate 410 may be connected to each other or independent from each other. The first slide rail 520 is disposed on the bottom plate 510, and the first slider 530 is slidably disposed on the first slide rail 520 and connected to the driving block 450 of the driving device 400. The second slide rail 540 is disposed on the first slide block 530, the second slide block 550 is slidably disposed on the second slide rail 540, a sliding direction of the second slide block 550 is parallel to a sliding direction of the first slide block 530, and the battery cell ironing pin 10 is disposed on the second slide block 550. Specifically, the first slide rail 520 and the second slide rail 540 are disposed in parallel, and the sliding directions of the first slider 530 and the second slider 550 are parallel and parallel to the moving direction of the driving block 450. The pressure sensor 560 is disposed on the first slider 530, and specifically, may be fixed on the first slider 530 through the pressure sensor base 562, and a pressing block 561 is disposed at one end of the pressure sensor 560 close to the second slider 550.

In a specific embodiment, the driving device 400 drives the first slider 530 to slide close to the second slider 550, so that the pressing block 561 abuts against the second slider 550 and drives the second slider 550 to slide, and further drives the battery cell hot stamping pin 10 to advance to be close to the battery cell, and the pressure sensor 560 is configured to detect a pressure between the first slider 530 and the second slider 550 to obtain pressure information of the battery cell hot stamping pin 10.

Specifically, when the first slider 530 abuts against the second slider 550 through the pressing block 561 and drives the battery cell to scald the needle 10 to be close to the battery cell, if the battery cell is not clamped with the battery cell, the first slider 530 and the second slider 550 move synchronously all the time, the pressure information between the first slider 530 and the second slider 550 is a preset value, if the battery cell scalds the needle 10 to be clamped with the battery cell, the battery cell can scald the needle 10 with a reverse thrust force for the battery cell, the thrust force acts on the pressing block 561 through the second slider 550, so that the pressure detected by the pressure sensor 560 can be increased, that is, the pressure information is greater than a certain value, it can be indicated that the battery cell scalds the needle 10 to be clamped in the battery cell.

As shown in fig. 4, the pressure detecting device 500 further includes a support seat 570. Supporting seat 570 sets up on bottom plate 51, is provided with the spout on supporting seat 570 in order to be used for the slip to hold at least partial electric core and scald needle 10, and the needle 10 is scalded to the electric core to the side and leads, and the needle 10 is scalded to the electric core to the side supports to prevent that electric core from scalding needle 10 and electric core decentraction. Specifically, the battery cell hot stamping needle 10 is of an elongated cantilever structure, and therefore the battery cell hot stamping needle 10 may be inclined due to gravity and cannot be concentric with the battery cell due to the fact that the cantilever is too long, so that the needle point 200 of the battery cell hot stamping needle 10 may be inclined. Consequently, through scalding needle 10 part with electric core and holding in the spout of supporting seat 570 for electric core scalds needle 10 and is difficult to take place the slope, thereby makes electric core scald needle 10 can keep concentric with electric core, is difficult to block with electric core.

In a specific embodiment, the pressure detection apparatus 500 further includes a limiting plate 580, and the limiting plate 580 is disposed at an end of the second slide rail 540 close to the cell ironing needle 10 to prevent the second slider 550 from sliding out of the second slide rail 540. Since the first slider 530 can abut against the second slider 550 and move towards the cell ironing needle 10, the second slider 550 is prevented from sliding out of the second slide rail 540 by providing the limiting plate 580.

As shown in fig. 3, the hole burning mechanism 20 further includes a rotating device 600, and the rotating device 600 is connected to the electric core burning needle 10 to drive the electric core burning needle 10 to rotate with the central axis as the axis.

As shown in fig. 3 and 4, the rotating apparatus 600 includes a mount 610, a second driving assembly 620, and a rotating shaft 630. The mounting seat 610 is disposed on the second slider 550, the second driving assembly 620 is disposed on the mounting seat 610, the rotating shaft 630 is rotatably disposed on the mounting seat 610 and connected to the second driving assembly 620, and one end of the rotating shaft 630 is fixed to the electric core ironing pin 10.

Specifically, the driving end of the second driving assembly 620 is provided with a second driving wheel 621, and specifically, the second driving assembly 620 may also be a rotating motor. The other end of the rotating shaft 630 is provided with a second driven wheel 631, and the second driven wheel 631 is connected to the second driving wheel 621 through a second transmission belt 640.

The rotating shaft 630 may be a hollow rotating shaft, and includes a rotating inner cavity to communicate with the inner cavity of the electric core hot needle 10 through an air inlet, and one end of the rotating shaft 630, which is far away from the electric core hot needle 10, is movably connected to the second pipeline 340 of the hot air assembly 300, so that when the rotating shaft 630 rotates, the second pipeline 340 does not rotate.

In one embodiment, the second driving wheel 621 and the second driven wheel 631 can be pulleys, and the second transmission belt 640 is a transmission belt. In another embodiment, the second driving wheel 621 and the second driven wheel 631 can also be gears, and the second transmission belt 640 is a chain.

Through setting up rotary device 600 to can drive electric core boiling hot needle 10 and rotate, when heating the inner wall of electric core, scald needle 10 through driving electric core and rotate in the well cavity of electric core, make the corresponding rotation of venthole, thereby guarantee to carry out the even heating to the inner wall of electric core, in order to reach better heating effect.

To sum up, the utility model provides a pair of electricity core scalds needle and uses its hole mechanism that scalds through scalding the needle with electric core and setting up to hollow tubulose to set up inlet port, inner chamber and the venthole that communicates in proper order, thereby hot-air component can loop through inlet port, inner chamber and venthole and scald the lateral wall output hot-air of needle from electric core, and heat the inner wall of electric core. Because electric core scalds the needle and does not contact between the electric core to heat the inner wall of electric core through the better hot-air of mobility, guarantee on the one hand that the inner wall heating of electric core is even soft, it is effectual to heat, and be difficult to produce direct effort and lead to electric core to damage to the inner wall of electric core, on the other hand solves electric core and scalds the needle owing to lead to buckling the problem with electric core direct contact, improves electric core and scalds the life of needle. And then through providing pressure measurement to scald the needle to electric core and carry out pressure measurement, whether to block with the needle is scalded to the definite electric core.

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. The battery core ironing needle is characterized by being in a hollow tubular shape and comprising an air inlet hole, an inner cavity and an air outlet hole which are sequentially communicated;

the battery core ironing needle is used for being inserted into the hollow cavity of the battery core, and the diameter of the battery core ironing needle is smaller than that of the hollow cavity of the battery core;

the electric core stamping needle comprises a main body tube and a needle point positioned at one end of the main body tube;

wherein, the venthole is arranged on the side wall of the main body pipe.

2. The electric core ironing needle according to claim 1, wherein the air inlet is arranged at the end of the main tube far away from the needle tip.

3. An ironing hole mechanism, characterized in that the ironing hole mechanism comprises the battery core ironing needle of any one of claims 1 to 2, and the ironing hole mechanism further comprises a hot air assembly, and the hot air assembly is communicated with an air inlet of the battery core ironing needle to provide hot air for the battery core ironing needle.

4. The hole ironing mechanism according to claim 3, further comprising a driving device, wherein the driving device is connected to the cell ironing needle to drive the cell ironing needle to move forward or backward.

5. A hole ironing mechanism according to claim 4, wherein the driving means comprises:

mounting a plate;

the first driving assembly is arranged on the mounting plate;

and the driving block is connected with the first driving assembly and used for mounting the electric core hot needle.

6. The hole ironing mechanism according to claim 4, further comprising a pressure detection device, wherein the pressure detection device is configured to detect pressure information of the cell ironing pin.

7. A hole ironing mechanism according to claim 6, wherein the pressure detecting means comprises:

a base plate;

the first sliding rail is arranged on the bottom plate;

the first sliding block is arranged on the first sliding rail in a sliding mode and is connected with a driving block of the driving device;

the second sliding rail is arranged on the first sliding block;

the second sliding block is arranged on the second sliding rail in a sliding mode, the sliding direction of the second sliding block is parallel to that of the first sliding block, and the battery cell ironing needle is arranged on the second sliding block;

the pressure sensor is fixedly arranged on the first sliding block, and one end, close to the second sliding block, of the pressure sensor is provided with a pressing block;

the driving device drives the first slider to slide close to the second slider, so that the pressing block is abutted to the second slider and drives the second slider to slide, the battery cell ironing needle is driven to advance, and the pressure sensor is used for detecting the pressure between the first slider and the second slider so as to obtain the pressure information of the battery cell ironing needle.

8. A hole ironing mechanism according to claim 7, wherein the pressure detecting means further comprises:

the supporting seat is arranged on the bottom plate, and a sliding groove is formed in the supporting seat and used for slidably accommodating at least part of the electric core hot needle.

9. An ironing aperture mechanism according to claim 7, characterized in that it further comprises a rotating means, said rotating means comprising:

the mounting seat is arranged on the second sliding block;

the second driving assembly is arranged on the mounting seat;

the rotating shaft is rotatably arranged on the mounting seat and connected with the second driving assembly, and one end of the rotating shaft is fixed with the battery cell ironing needle.