CN212648283U

CN212648283U - Battery cell blanking device and winding equipment

Info

Publication number: CN212648283U
Application number: CN202021399651.XU
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: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-03-02
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses an electricity core unloader and coiling equipment, wherein, electricity core unloader includes: the two clamping assemblies are arranged at intervals along a first direction, can be controlled to be close to or far away from each other along the first direction, and can be controlled to move along a second direction perpendicular to the first direction; each clamping assembly at least comprises a clamping mounting plate and a clamping rod, each clamping rod comprises a connecting end and a free end which are opposite, each connecting end is connected with the corresponding clamping mounting plate, and each free end longitudinally extends along the second direction; wherein, at least one of the two clamping components further comprises a buffer structure, and the clamping rod is connected with the corresponding clamping mounting plate through the buffer structure. The utility model discloses at the in-process of tensile electric core, buffer structure drives the clamping bar that corresponds and removes in order to cushion towards the direction that is close to another clamping bar to avoided the too big deformation that takes place of clamping bar atress, avoided appearing phenomenons such as diaphragm and the pole piece fold of electric core inner circle when flattening to electric core.

Description

Battery cell blanking device and winding equipment

Technical Field

The utility model relates to a coiling equipment technical field especially relates to an electricity core unloader and coiling equipment.

Background

With the continuous development of the battery industry, the quality requirement on the battery core is higher and higher. The battery core is generally formed by winding a winding needle of a winding device, and then the battery core on the winding needle is blanked by a battery core blanking device. Generally, the battery cell blanking device clamps the inner and outer walls of the battery cell so as to smoothly draw out the winding needle from the inner cavity of the battery cell. After the coil needle is drawn out, the electric core needs to be stretched, so that the electric core is flattened in the follow-up process. However, when the battery cell is stretched, the clamp pin inserted into the inner cavity of the battery cell is stressed and easily deformed, so that the stretching effect on the battery cell is affected (namely, the stretching deformation of the battery cell in the length direction of the clamp pin is inconsistent), and further, the phenomena that the diaphragm and the pole piece of the inner ring of the battery cell are folded and the like easily occur in the process of flattening the battery cell are caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides an electricity core unloader and coiling equipment to solve the electric core unloader among the prior art and insert the double-layered needle atress of electric core inner chamber when stretching to electric core and produce deformation easily, thereby the influence is to the tensile effect of electric core, and then leads to appearing the diaphragm and the pole piece production technical problem of fold of electric core inner circle easily at the in-process that flattens to electric core.

In order to solve the technical problem, the utility model discloses a technical scheme provide an electricity core unloader, include:

the two clamping assemblies are arranged at intervals along a first direction, can be controlled to be close to or far away from each other along the first direction, and can be controlled to move along a second direction perpendicular to the first direction;

each clamping assembly at least comprises a clamping mounting plate and clamping rods, each clamping rod comprises a connecting end and a free end, each connecting end is connected with the corresponding clamping mounting plate, and each free end extends lengthwise along the second direction;

when the two clamping assemblies are far away from each other along the first direction, the buffer structure can drive the corresponding clamping rod to move towards the other clamping rod so as to buffer.

In an embodiment of the present invention, the buffer structure includes:

the guide rod extends lengthways along the first direction, one end of the guide rod is connected with the clamping mounting plate, the other end of the guide rod extends circumferentially to form a limiting bulge, and the clamping rod is movably arranged on the guide rod along the first direction;

the elastic piece is sleeved on the guide rod, one end of the elastic piece is abutted to the clamping rod, and the other end of the elastic piece is abutted to the limiting bulge.

In an embodiment of the present invention, the buffer structure includes:

the one end of bolster with the centre gripping mounting panel is connected, the other end of bolster with the clamping bar is connected, the bolster the one end is relative the other end is followed scalable in the first direction.

In an embodiment of the present invention, each of the clamping assemblies further comprises:

one end of the clamping roller is movably connected to the clamping mounting plate along the first direction, the other opposite end of the clamping roller longitudinally extends along the second direction, and a clamping position for clamping the inner wall and the outer wall of the battery cell is formed between the clamping rod and the clamping roller;

and the clamping driving part is arranged on the clamping mounting plate and is in transmission connection with the clamping roller.

The utility model discloses an embodiment, electric core unloader still includes:

and each clamping assembly is arranged at the moving end of the corresponding translation assembly so as to be driven by the corresponding translation assembly to move close to or far away from the battery cell along the second direction.

and the two translation assemblies are respectively connected with the stretching driving assembly so as to be close to or far away from each other along the first direction under the driving of the stretching driving assembly.

In an embodiment of the present invention, the tension driving assembly includes:

the screw rod extends along the first direction and can rotate around the axis of the screw rod, the screw rod comprises two sections of threads with opposite spiral directions, a screw rod nut is arranged on each section of threads in a matched mode, each screw rod nut is connected with a transfer plate, and each transfer plate is connected with one translation assembly;

and the motor is in power connection with one end of the screw rod.

In an embodiment of the present invention, the tension driving assembly further comprises:

the motor is arranged on one side of the lifting plate, the screw rod is arranged on the other side of the lifting plate, and the motor is in power connection with the screw rod through a transmission assembly.

the stretching driving assembly is arranged at the moving end of the lifting assembly and is driven by the lifting assembly to move along a third direction which is respectively perpendicular to the first direction and the second direction.

The utility model also provides a winding device, winding device includes any one of the above-mentioned embodiments electricity core unloader.

The utility model has the advantages that:

be different from prior art's condition, the utility model discloses an electricity core unloader during the actual operation, controls two centre gripping subassemblies and removes along the second direction for the inner chamber of electric core is all passed to the free end of the clamping bar of two centre gripping subassemblies, then keeps away from each other along the first direction to the clamping bar that drives two centre gripping subassemblies stretches electric core along the first direction. In the process of stretching the battery cell, the buffer structure drives the corresponding clamping bar to move towards the direction close to the other clamping bar so as to buffer, so that the phenomenon that the clamping bar is deformed due to overlarge stress is avoided, the stretching effect of the battery cell is ensured (namely the stretching deformation of the battery cell in the second direction is consistent), and the phenomena that the diaphragm and the pole piece of the inner ring of the battery cell are folded when the battery cell is flattened are avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced 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 according to the drawings without inventive efforts,

wherein:

fig. 1 is a schematic top view of a battery cell blanking apparatus according to an embodiment of the present invention;

fig. 2 is a schematic front view of a battery cell blanking apparatus provided in an embodiment of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention 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 invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, 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, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

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 invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; 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 invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. 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.

Referring to fig. 1 and fig. 2, an embodiment of the present invention provides a battery cell blanking apparatus, which includes two clamping assemblies 40, wherein the two clamping assemblies 40 are spaced apart from each other along a first direction, and are controllably moved along a second direction perpendicular to the first direction.

Each clamping assembly 40 includes at least a clamping mounting plate 41 and a clamping bar 42, each clamping bar 42 includes opposite connecting ends and free ends, each connecting end is connected to a corresponding clamping mounting plate 41, and each free end extends lengthwise along the second direction.

Wherein, at least one of the two clamping assemblies 40 further comprises a buffer structure, the clamping bar 42 is connected with the corresponding clamping mounting plate 41 through the buffer structure, and when the two clamping assemblies 40 are far away from each other along the first direction, the buffer structure can drive the corresponding clamping bar 42 to move towards the other clamping bar 42 for buffering.

Above-mentioned electric core unloader during actual operation, controls two centre gripping subassemblies 40 and removes along the second direction for the free end of the clamping bar 42 of two centre gripping subassemblies 40 all passes the inner chamber of electric core, then controls two centre gripping subassemblies 40 and keeps away from each other along the first direction, thereby drives the clamping bar 42 of two centre gripping subassemblies 40 and stretches electric core along the first direction. In the process of stretching the battery cell, the buffer structure drives the corresponding clamping bar 42 to move towards the direction close to the other clamping bar 42 so as to buffer, so that the clamping bar 42 is prevented from being deformed due to too large stress, the stretching effect of the battery cell is ensured (namely the stretching deformation of the battery cell in the second direction is consistent), and the phenomena of a diaphragm, a pole piece wrinkle and the like of an inner ring of the battery cell when the battery cell is flattened are avoided.

In the embodiment shown in fig. 1, the first direction is a left-right direction, and the second direction is an up-down direction.

In one embodiment, the clamping bar 42 of one of the clamping assemblies 40 is fixedly connected to the clamping plate 41, and the clamping bar 42 of the other clamping assembly 40 is movably disposed on the clamping plate 41 along the first direction through a buffer structure. It will be appreciated that in another embodiment, the clamping bars 42 of both clamping assemblies 40 are movably disposed in the first direction to the corresponding clamping mounting plate 41 via a buffer structure.

In the embodiment of the present invention, the buffer structure includes a guide rod 45 and an elastic member 46. The guide rod 45 extends lengthwise along the first direction, one end of the guide rod 45 is connected with the clamping mounting plate 41, and the other end of the guide rod 45 extends circumferentially to form a limiting protrusion 451. The clamping bar 42 is movably disposed on the guide bar 45 in the first direction. The elastic member 46 is sleeved on the guide rod 45, one end of the elastic member 46 abuts against the clamping rod 42, and the other end of the elastic member 46 abuts against the limiting protrusion 451. Alternatively, the elastic member 46 may be a spring.

In another embodiment, the buffer structure includes a buffer member having one end connected to the clamping mounting plate 41 and the other end connected to the clamping bar 42, the buffer member having one end that is retractable in a first direction relative to the other end. Alternatively, the buffer may be a cylinder.

In one embodiment, each clamping assembly 40 further includes a clamping bar fixing block 421, the clamping bar 42 is disposed on the clamping bar fixing block 421, and the clamping bar fixing block 421 is disposed on the clamping mounting plate 41 or movably disposed on the guide rod 45 along the first direction.

In an embodiment of the present invention, each clamping assembly 40 further comprises a clamping roller 43 and a clamping driving member 44. One end of the clamping roller 43 is movably connected to the clamping mounting plate 41 along a first direction, the other opposite end extends lengthwise along a second direction, and a clamping position for clamping the inner and outer walls of the battery cell is formed between the clamping rod 42 and the clamping roller 43. The clamping driving member 44 is disposed on the clamping mounting plate 41 and is in transmission connection with the clamping roller 43, so as to drive the clamping roller 43 to approach or separate from the clamping bar 42 along the first direction, so that the clamping bar 42 and the clamping roller 43 clamp or release the inner and outer walls of the battery cell. So, when needing to carry out the unloading to electric core, clamping bar 42 and clamp roll 43 move towards electric core along the second direction along with centre gripping mounting panel 41, until clamping bar 42 inserts the inner chamber of electric core, and clamp roll 43 is located the outer wall department of electric core simultaneously. The clamping driving member 44 then drives the clamping roller 43 to move close to the clamping rod 42, so that the clamping rod 42 and the clamping roller 43 clamp the inner and outer walls of the battery cell. Then, the winding needle is drawn out of the inner cavity of the battery cell, and the clamping mounting plates 41 of the two clamping assemblies 40 are away from each other along the first direction, so that the battery cell is stretched. After stretching, the clamping driving member 44 drives the clamping roller 43 to move away from the clamping rod 42, so that the clamping rod 42 and the clamping roller 43 loosen the clamping of the inner wall and the outer wall of the battery cell, the clamping mounting plate 41 resets along the second direction, the clamping rod 42 is pulled away from the inner cavity of the battery cell, and the blanking of the battery cell is completed. Alternatively, the clamp drive 44 may be a pneumatic cylinder.

In the embodiment, each clamping assembly 40 further includes a clamping roller fixing block 431, the clamping roller 43 is rotatably disposed on the clamping roller fixing block 431, and the clamping roller fixing block 431 is disposed at the driving end of the clamping driving member 44.

The embodiment of the utility model provides an in, electric core unloader still includes two translation subassemblies 30, and every centre gripping subassembly 40 sets up the removal end at the translation subassembly 30 that corresponds to be close to or keep away from electric core removal along the second direction under the drive of the translation subassembly 30 that corresponds. Alternatively, the translating assembly 30 may be a pneumatic cylinder. It should be noted that the second direction may be parallel to the axial direction of the battery cell.

The embodiment of the utility model provides an in, electric core unloader still includes tensile drive assembly 20, and two translation subassemblies 30 are connected with tensile drive assembly 20 respectively to be close to each other or keep away from along the first direction under tensile drive assembly 20's drive.

In particular embodiments, the stretch drive assembly 20 includes a motor 22, a lead screw 26, and two transfer plates 25. The screw rod 26 extends along a first direction and can rotate around the axis of the screw rod 26, the screw rod 26 comprises two sections of threads with opposite spiral directions, a screw rod nut is arranged on each section of threads in a matching mode, each screw rod nut is connected with one transfer plate 25, and each transfer plate 25 is connected with one translation assembly 30. The motor 22 is in power connection with one end of the screw rod 26. In this way, the motor 22 drives the screw rod 26 to rotate to drive the two screw rod nuts to move back to back, so that the two support plates 25, the two translation assemblies 30 and the two clamping assemblies 40 move back to back, and thus the battery cell can be stretched in the first direction.

Further, the stretching driving assembly 20 further comprises a lifting plate 21, the motor 22 is arranged on a motor fixing seat 221, the motor fixing seat 221 is arranged on one side of the lifting plate 21, the screw rod 26 is arranged on the other side of the lifting plate 21, and the motor 22 is in power connection with the screw rod 26 through a transmission assembly 23. The screw 26 is rotatably provided on a screw support 27, and the screw support 27 is provided on the lifting plate 21.

In one embodiment, the transmission assembly 23 includes a driving wheel 231, a transmission belt 232 and a driven wheel 233, the driving wheel 231 is disposed at the driving end of the motor 22, the driven wheel 233 is disposed at one end of the lead screw 26, and the transmission belt 232 is sleeved on the driving wheel 231 and the driven wheel 233.

Further, each of the transfer plates 25 is movably disposed on the elevation plate 21 by a slide assembly 24. The sliding assembly 24 includes a sliding rail 241 and a sliding block 242, the sliding rail 241 is disposed on the lifting plate 21 in a first direction, each moving plate 25 is disposed on at least one sliding block 242, and the sliding block 242 is slidably disposed on the sliding rail 241.

The embodiment of the utility model provides an in, electric core unloader still includes lifting unit 10, and lifter plate 21 sets up the removal end at lifting unit 10 to remove along the third direction of the first direction of perpendicular to respectively and second direction under lifting unit 10's drive. In actual operation, the lifting assembly 10 drives the lifting plate 21 to drive the two clamping assemblies 40 to move to the battery cell blanking position along the third direction towards the battery cell, so as to blank the battery cell on the winding needle. After the blanking is completed, the lifting assembly 10 is reset.

In the embodiment shown in fig. 1, the third direction is a direction perpendicular to the paper.

The utility model also provides a coiling equipment, including the electric core unloader in any above-mentioned embodiment.

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 represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a battery core unloader which characterized in that includes:

2. The battery cell blanking device of claim 1, wherein the buffer structure comprises:

3. The battery cell blanking device of claim 1, wherein the buffer structure comprises:

4. The battery cell blanking apparatus of claim 1, wherein each of the clamping assemblies further comprises:

5. The battery cell blanking device of claim 1, further comprising:

6. The battery cell blanking device of claim 5, further comprising:

7. The battery cell blanking apparatus of claim 6, wherein the tension driving assembly comprises:

and the motor is in power connection with one end of the screw rod.

8. The battery cell blanking apparatus of claim 7, wherein the tensile drive assembly further comprises:

9. The battery cell blanking device of claim 6, further comprising:

10. Winding equipment, characterized in that the winding equipment comprises a cell blanking device according to any one of claims 1-9.