CN210430013U

CN210430013U - Lithium battery tail winding device

Info

Publication number: CN210430013U
Application number: CN201921603950.8U
Authority: CN
Inventors: 朴星勳; 刘嘉兵
Original assignee: Liyang Jiatuo Intelligent Equipment Co ltd
Current assignee: Jiangsu Jiatuo New Energy Intelligent Equipment Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-04-28
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a lithium cell tail-end roll device relates to lamination machine technical field, including supporting component, rotary power part, initiative rotary part and driven rotary part all are located the supporting component top, initiative rotary part and driven rotary part structure are the same, the relative part in position, the supporting component is used for initiative rotary part and driven rotary part to take place relative displacement, initiative rotary part include rotary machine, axle and depression bar, the inside on rotary machine top is fixed to the axle, and the axle rotates with the depression bar to be connected, the rotary machine is used for controlling the rotation of depression bar, opens and the closure, and the device has simple structure, convenient operation, advantage that the reliability is high.

Description

Lithium battery tail winding device

Technical Field

The utility model relates to an electron science and technology field, more specifically the utility model relates to a tail book device of lithium cell.

Background

Generally, in the battery manufacturing technology, when a battery core is prepared in a lamination mode, a battery core needs to be subjected to tail winding (the tail winding refers to a separator with a section of length coated on the outermost layer of the battery core after the battery core is stacked), in the prior art, a device for performing tail winding on the battery core can only process a product with a certain specification, like this technology, in the same processing time, the utilization rate of a separator unwinding device is extremely low, and improvement on the manufacturing technology of a lithium battery is urgently needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a lithium cell tail book device through the interval of adjusting the depression bar for the device can carry out the tail book to the electric core of different models, has avoided the unicity of processing equipment.

The improvement of the tail winding device of the lithium battery is that: the device comprises a supporting assembly, a rotary power component, a driving rotary component and a driven rotary component, wherein the rotary power component, the driving rotary component and the driven rotary component are all positioned above the supporting assembly, and the driving rotary component and the driven rotary component have the same structure and are opposite in position;

the driving rotating component comprises a bearing seat, a rotating shaft and two pressing rods, the bearing seat is installed above the supporting component, the rotating shaft is installed at the top end of the bearing seat, one end of the rotating shaft is fixedly connected with a first sliding part, two second sliding parts, a piston rod and two cam followers are arranged inside the rotating shaft, one end of the piston rod is connected with the rotating shaft in a sliding mode, two inclined grooves are formed in the inner side of the piston, one end of each cam follower is fixed in each inclined groove, the other end of each cam follower is fixedly connected with the corresponding second sliding part, a sliding groove is formed in one end of each first sliding part, a sliding block matched with the sliding groove of the corresponding first sliding part is arranged on the corresponding second sliding part, and the corresponding pressing rods are fixedly connected with the corresponding second.

As a further improvement of the above technical solution, the support assembly includes a first base, a second base, a long guide rail and a short guide rail, the first base is located above the long guide rail, the rotating machine of the driving rotating component is fixed on the first base, the first base is slidably connected with the long guide rail, the second base is located above the short guide rail, the rotating machine of the driven rotating component is fixed on the second base, and the second base is slidably connected with the short guide rail;

the supporting assembly further comprises a first cylinder and a second cylinder, the first cylinder is located below the long guide rail, a connecting rod is further fixed on the first base and provided with a connecting rod seat, the connecting rod seat is fixedly connected with the first cylinder, a cylinder rail is further arranged at the bottom of the first cylinder and used for limiting the maximum displacement of the first cylinder, the first cylinder is used for driving the rotary machine to displace, the second cylinder is located below the short guide rail, and the second base is also provided with the same structure so that the second cylinder drives the driven rotary machine to displace relatively.

As a further improvement of the above technical solution, the rotating power component includes a speed regulating motor, a first synchronizing wheel and a second synchronizing wheel, the speed regulating motor and the first synchronizing wheel are located at the rear side of the rotating machine of the driving rotating component, the speed regulating motor is fixed on the first base, the first synchronizing wheel is fixedly connected with a motor shaft of the speed regulating motor, the second synchronizing wheel is located above the first synchronizing wheel, the second synchronizing wheel is fixedly connected with the rotating joint, and a synchronous belt is arranged between the first synchronizing wheel and the second synchronizing wheel;

the rotary power component further comprises a sliding table air cylinder and an air cylinder mounting seat, the sliding table air cylinder and the air cylinder mounting seat are located on the rotary machine of the driven rotary component, the air cylinder mounting seat is fixed below the shaft, and the sliding table air cylinder is fixedly connected with the air cylinder mounting seat.

As a further improvement of the technical proposal, the active rotating part also comprises a rotating joint, a bearing and a connecting piece, the side surface of the rotating shaft is rotationally connected with the top end of the bearing seat through the bearing, one end of the rotating joint is suspended at the side edge of the bearing seat, the other end is fixedly connected with the inner side wall of the rotating shaft,

the active rotating component further comprises a spring, the spring is located in the rotating shaft, one end of the spring is fixedly connected with the inner side of the rotating shaft, and the other end of the spring is fixedly connected with the outer side wall of the piston rod.

As a further improvement of the above technical solution, an induction sheet and a sensor are arranged outside the rotating shaft of the driving rotating component, and a groove is arranged on the side surface of the rotating shaft of the driven rotating component.

The beneficial effects of the utility model are that the utility model provides a lithium cell tail book device, the device adopts the structural design of depression bar through structural improvement, can press from both sides and get different models, and the electric core of different thickness carries out the tail book, and the effectual equipment of having solved can only be to the unicity of a product processing, and the device has that the structurely is strong, the reliability is high, the better advantage of commonality.

Drawings

Fig. 1 is a cross-sectional view of a lithium battery tail-coiling device of the present invention.

Fig. 2 is a side view of the active rotating component of the lithium battery tail-winding device of the present invention.

Fig. 3 is a side view of the driven rotating member of the lithium battery tail-coiling device of the present invention.

1. An active rotating member; 2. a driven rotary member; 20. a rotating shaft; 21. a pressure lever; 22. a rotary joint; 23. a first slider; 24. a second slider; 25. a bearing seat; 26. a piston rod; 27. a cam follower; 28. a connecting member; 29. an induction sheet; 30. a first base; 31. a second base; 32. a long guide rail; 33. a short guide rail; 34. a first cylinder; 35. a second cylinder; 36. a spring; 37. a sensor; 40. a speed-regulating motor; 41. a first synchronizing wheel; 42. a second synchronizing wheel; 43. a sliding table cylinder; 44. a cylinder mounting seat; 45. a connecting rod; 46. a connecting rod seat.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.

As shown in fig. 1-3, the utility model discloses a lithium battery tail-coiling device, which comprises a supporting component, a rotary power component, a driving rotary component 1 and a driven rotary component 2, wherein the rotary power component, the driving rotary component 1 and the driven rotary component 2 are all located above the supporting component, and the driving rotary component 1 and the driven rotary component 2 have the same structure and are opposite in position; the active rotating component 1 comprises a bearing seat, a rotating shaft 20 and two pressure rods 21, wherein the bearing seat is arranged above the supporting component, the rotating shaft 20 is installed at the top end of the bearing seat, one end of the rotating shaft 20 is fixedly connected with a first sliding piece 23, the rotating shaft 20 is internally provided with two second sliders 24, a piston rod 26 and two cam followers 27, one end of the piston rod 26 is connected with the rotating shaft 20 in a sliding way, two inclined grooves are arranged on the inner side of the piston rod 26, one end of the cam follower 27 is fixed in the inclined groove, the other end is fixedly connected with the second sliding member 24, one end of the first sliding part 23 is provided with a sliding groove, the second sliding part 24 is provided with a sliding block matched with the sliding groove of the first sliding part 23, the second sliding parts 24 slide along the sliding grooves of the first sliding parts 23, and the second sliding parts 24 are fixedly connected with the corresponding pressure rods 21.

Further, the active rotation component 1 further includes a rotation joint 22, a bearing and a connector 28, the side surface of the rotation shaft 20 is rotatably connected with the top end of the bearing seat 25 through the bearing, one end of the rotation joint is suspended at the side edge of the bearing seat 25, the other end of the rotation joint is fixedly connected with the inner side wall of the rotation shaft 20, the active rotation component 1 further includes a spring 36, the spring 36 is located in the rotation shaft 20, one end of the spring 36 is fixedly connected with the inner side of the rotation shaft 20, and the other end of the spring 36 is fixedly connected with the outer; the outer side of the rotating shaft 20 of the driving rotating component 1 is provided with a sensing sheet 29 and a sensor 37, and the side surface of the rotating shaft 20 of the driven rotating component 2 is provided with a groove.

Still further, the rotating power component includes a speed regulating motor 40, a first synchronizing wheel 41 and a second synchronizing wheel 42, the speed regulating motor 40 and the first synchronizing wheel 41 are located at the rear side of the rotating machine of the driving rotating component 1, the speed regulating motor 40 is fixed on the first base 30, the first synchronizing wheel 41 is fixedly connected with the motor shaft 20 of the speed regulating motor 40, the second synchronizing wheel 42 is located above the first synchronizing wheel 41, the second synchronizing wheel 42 is fixedly connected with the rotary joint 22, and a synchronous belt is arranged between the first synchronizing wheel 41 and the second synchronizing wheel 42; the rotary power component further comprises a sliding table air cylinder 43 and an air cylinder mounting seat 44, the sliding table air cylinder 43 and the air cylinder mounting seat 44 are located on the rotary machine of the driven rotary component 2, the air cylinder mounting seat 44 is fixed below the shaft 20, and the sliding table air cylinder 43 is fixedly connected with the air cylinder mounting seat 44.

In the above embodiment, a lithium battery tail coil may be performed, when a battery core is placed at a specific position, the first cylinder 34 and the second cylinder 35 are started to make the driving rotating component 1 and the driven rotating component 2 move oppositely along the corresponding tracks, after the driving rotating component 1 and the driven rotating component 2 reach the specific position, gas is introduced into the rotary joint 22 of the driving rotating component 1 and the driven rotating component 2, the gas extrudes the piston rod 26 to move forwards, the inclined groove translates forwards, the cam follower 27 in the groove is acted by force to move vertically downwards along the inclined groove, at this time, the second slider 24 is acted by the cam follower 27, the second slider 24 slides along the chute of the first slider 23 to drive the pressing rod 21 to open and close, so that the pressing rod 21 of the driving rotating component 1 clamps or releases the battery core, when the pressing rod 21 of the driving rotating component 1 and the pressing rod 21 of the driven rotating component 2 clamp, the driving rotating component 1 and the driven rotating component 2 are fixedly connected through a battery cell, at the moment, the speed regulating motor 40 is started, the motor shaft 20 drives the first synchronizing wheel 41 to rotate, the first synchronizing wheel 41 drives the second synchronizing wheel 42 through a synchronous belt, the second synchronizing wheel 42 drives the rotary joint 22 to rotate, as the rotary joint 22 is fixedly connected with the shaft 20, the cam follower 27 inside the shaft 20 is connected with the first slider 23, the first slider 23 is fixedly connected with the connecting pieces 28, and each connecting piece 28 is fixedly connected with the corresponding pressure rod 21, so that the second synchronizing wheel 42 finally drives the pressure rod 21, the speed regulating motor 40 is started, the first synchronizing wheel 41 and the second synchronizing wheel 42 transmit a rotating force to the pressure rod 21, and the pressure rod 21 is driven to rotate to enter a tail winding stage.

In addition, the support assembly includes a first base 30, a second base 31, a long guide rail 32 and a short guide rail 33, the first base 30 is located above the long guide rail 32, the rotating machine of the driving rotating member 1 is fixed on the first base 30, the first base 30 is slidably connected with the long guide rail 32, the second base 31 is located above the short guide rail 33, the rotating machine of the driven rotating member 2 is fixed on the second base 31, and the second base 31 is slidably connected with the short guide rail 33;

the support assembly further comprises a first air cylinder 34 and a second air cylinder 35, the first air cylinder 34 is located below the long guide rail 32, the first base 30 is further fixed with a connecting rod 45, the connecting rod 45 is provided with a connecting rod 45 seat, the connecting rod 45 seat is fixedly connected with the first air cylinder 34, the bottom of the first air cylinder 34 is further provided with an air cylinder track, the air cylinder track is used for limiting the maximum displacement of the first air cylinder 34, the first air cylinder 34 is used for driving the rotary machine to displace, the second air cylinder 35 is located below the short guide rail 33, the second base 31 is also provided with the same structure, the second air cylinder 35 drives the driven rotary machine to displace relatively, when the equipment does not enter a tail-rolling stage, the driving rotary component 1 and the driven rotary component 2 need to slide to a designated position, namely, the first air cylinder 34 drives the first base 30 and the second air cylinder 35 to drive the second base 31, the driving rotary part and the driven rotary part 2 move along the guide rail, when the driving rotary part 1 and the driven rotary part 2 reach the designated positions, the air cylinder stops moving under the restriction of the air cylinder track, and the driving rotary part 1 and the driven rotary part 2 stop moving.

When the lithium battery tail-coiling device of the utility model is implemented, firstly, the battery core is placed at the designated position between the driving rotating part 1 and the driven rotating part 2, secondly, the first cylinder 34 and the second cylinder 35 are started, the first cylinder 34 and the second cylinder 35 slide on the cylinder guide rail through the guide of the connecting rod seat, the cylinder drives the first base 30 and the second base 31 to move along respective tracks in opposite directions through the connecting rod 45, when the two cylinders move to the end of the cylinder track, the movement is stopped, at the moment, the driving rotating part 1 and the driven rotating part 2 are static along with the stop of the base, then gas is introduced into the rotating joint 22, so that the piston 25 pushes the piston rod to translate forwards, the oblique groove inside the piston rod translates forwards, the cam follower 27 inside the oblique groove is extruded, the cam follower 27 moves along the oblique groove, the cam follower 27 drives the second sliding part 24, and the second sliding part 24 slides along the first sliding part 23, so that the pressing rod 21 is opened and then closed, thereby clamping the battery cell.

After the cell is clamped by the pressure lever 21 of the driving rotating part 1 and the pressure lever 21 of the driven rotating part 2, the driving rotating part 1 and the driven rotating part 2 are fixedly connected, at this time, the speed regulating motor 40 is started, the motor rotates, so that the rotary joint 22 drives the rotating shaft 20, the first sliding part 23 fixedly connected with the rotating shaft 20 and the device inside the rotating shaft 20 rotate together, after the pressure lever 21 drives the cell to rotate, the cell enters a tail winding stage, when the induction sheet 29 senses the number of turns of the cell rotation, the sensor 37 sends a signal to the motor, the motor stops operating, the driving rotating part 1 stops rotating, meanwhile, the sliding table cylinder 43 is started, so that the sliding table cylinder 43 releases a cylinder rod to abut against the groove of the rotating shaft 20, the driven rotating part 2 stops rotating, finally, the stop gas enters the rotary joint 22, the piston rod 26 contracts back under the acting force of, the cam follower 27 is pressed, the cam follower 27 drives the connecting piece 28 by driving the second sliding piece 24, so that the pressing rod 21 is opened, then the battery core is taken out, the first air cylinder 34 and the second air cylinder 35 are started again, so that the driving rotating part 1 and the driven rotating part 2 move back and forth along the respective tracks until the battery core returns to the original position, and the tail winding process of the lithium battery is completed.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a lithium cell tail book device which characterized in that: the device comprises a supporting assembly, a rotary power component, a driving rotary component and a driven rotary component, wherein the rotary power component, the driving rotary component and the driven rotary component are all positioned above the supporting assembly, and the driving rotary component and the driven rotary component have the same structure and are opposite in position;

2. The lithium battery tail-winding device of claim 1, characterized in that: the supporting assembly comprises a first base, a second base, a long guide rail and a short guide rail, the first base is positioned above the long guide rail, the rotating machine of the driving rotating component is fixed on the first base, the first base is in sliding connection with the long guide rail, the second base is positioned above the short guide rail, the rotating machine of the driven rotating component is fixed on the second base, and the second base is in sliding connection with the short guide rail;

3. The lithium battery tail-winding device of claim 2, characterized in that: the rotating power part comprises a speed regulating motor, a first synchronizing wheel and a second synchronizing wheel, the speed regulating motor and the first synchronizing wheel are positioned at the rear side of the rotating machine of the driving rotating part, the speed regulating motor is fixed on the first base, the first synchronizing wheel is fixedly connected with a motor shaft of the speed regulating motor, the second synchronizing wheel is positioned above the first synchronizing wheel, the second synchronizing wheel is fixedly connected with a rotating joint, and a synchronous belt is arranged between the first synchronizing wheel and the second synchronizing wheel;

4. The lithium battery tail-winding device of claim 1, characterized in that: the active rotating component also comprises a rotating joint, a bearing and a connecting piece, the side surface of the rotating shaft is rotationally connected with the top end of the bearing seat through the bearing, one end of the rotating joint is suspended at the side edge of the bearing seat, the other end of the rotating joint is fixedly connected with the inner side wall of the rotating shaft,

5. The lithium battery tail-winding device of claim 1, characterized in that: the outer side of the rotating shaft of the driving rotating component is provided with an induction sheet and a sensor, and the side surface of the rotating shaft of the driven rotating component is provided with a groove.