CN213401292U

CN213401292U - Miniature battery winder

Info

Publication number: CN213401292U
Application number: CN202022433897.0U
Authority: CN
Inventors: 马鹏江; 陈吒; 黄绍平
Original assignee: Shenzhen Hongde Electromechanical Technology Co ltd
Current assignee: Shenzhen Hongde Electromechanical Technology Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-06-08
Anticipated expiration: 2030-10-28

Abstract

The utility model relates to a miniature battery winder, including pole piece feed mechanism, diaphragm feed mechanism, winding mechanism, product discharge mechanism and support frame, pole piece feed mechanism includes positive plate supply unit and negative pole piece supply unit that the structure is the same, positive plate supply unit and negative pole piece supply unit set up respectively in the winding mechanism both sides and input positive plate and negative pole piece to winding mechanism respectively, one side that positive plate supply unit was located to a set of diaphragm feed mechanism and to winding mechanism input diaphragm, another set of diaphragm feed mechanism locates one side of negative pole piece supply unit and to winding mechanism input diaphragm, winding mechanism's coiling output is located to product discharge mechanism. The utility model discloses a miniature battery winder supplies with the unit through positive plate and the direct pole piece that will press good utmost point ear of negative plate supply unit and sends into winding mechanism and convolute, and automated operation, operation precision and operating efficiency can obtain better control.

Description

Miniature battery winder

Technical Field

The utility model belongs to the technical field of the battery preparation, especially, relate to a miniature battery winder.

Background

With the development of bluetooth wireless communication technology and the continuous pursuit of people for high-quality life, the application range of bluetooth headset batteries is getting larger and larger. Small-size miniature batteries such as bluetooth battery usually adopt utmost point ear external positioning, and positive pole utmost point ear, negative pole utmost point ear are at the final position of rolling up the core promptly. The micro battery in the prior art generally adopts single pole piece winding and manually feeds the pole pieces, so that the consistency of the pole pieces in the winding process is difficult to ensure, and the quality of products cannot be guaranteed.

Disclosure of Invention

The utility model provides a miniature battery winder for solve the technical problem that can't guarantee miniature battery production precision among the prior art.

The utility model discloses a miniature battery winder, including pole piece feed mechanism, diaphragm feed mechanism, winding mechanism and product discharge mechanism, pole piece feed mechanism includes positive plate supply unit and negative plate supply unit that the structure is the same, pole piece feed mechanism includes positive plate material feeding unit and negative plate material feeding unit that the structure is the same, the output of positive plate material feeding unit with the input of positive plate supply unit meets, the output of negative plate material feeding unit with the input of negative plate supply unit meets; the positive plate supply unit and the negative plate supply unit are respectively arranged on two sides of the winding mechanism and respectively input a positive plate and a negative plate to the winding mechanism, one group of the diaphragm supply mechanism is arranged on one side of the positive plate supply unit and inputs a diaphragm to the winding mechanism, the other group of the diaphragm supply mechanism is arranged on one side of the negative plate supply unit and inputs a diaphragm to the winding mechanism, and the product discharge mechanism is arranged at the winding output end of the winding mechanism.

Preferably, the pole piece feeding mechanism comprises a pole piece feeding disc and a pole piece transferring assembly, the pole piece feeding disc bears a pole piece to be wound, and the pole piece transferring assembly is movably connected between the pole piece feeding disc and the pole piece feeding mechanism and transfers the pole piece to be wound from the pole piece feeding disc to the pole piece feeding mechanism.

Preferably, the membrane feeding mechanism comprises a membrane feeding roll and a deviation correction control assembly, and the membrane feeding roll is arranged at the movable end of the deviation correction control assembly.

Preferably, the miniature battery winder further comprises a gluing mechanism, and the gluing mechanism is arranged between the winding mechanism and the product discharging mechanism.

Preferably, the pole piece feeding mechanism comprises a pole piece feeding seat for bearing a tape winding pole piece, a tension feeding clamp for providing tension to the tape winding pole piece to enable the pole piece to be wound to be in a straightened state in the process that the pole piece to be wound is continuously wound into the winding mechanism, and a positioning detection assembly for detecting the winding position of the pole piece to be wound.

Preferably, the tension feeding clamp comprises a clamping finger piece and a tension control piece, the clamping finger piece is used for clamping the pole piece to be wound, the clamping finger piece is connected with a movable end of the tension control piece, and the clamping finger piece can move between the pole piece feeding seat and the winding mechanism.

Preferably, the tension feeding clamp further comprises a fine adjustment control piece, the fine adjustment control piece comprises a fine adjustment motor and a fine adjustment screw rod, the fine adjustment screw rod is connected to the movable end of the fine adjustment motor, and the clamping finger piece is fixedly connected with the fine adjustment screw rod.

Preferably, the pole piece feeding seat comprises a feeding bottom plate, a moving control member and an auxiliary positioning plate, wherein the moving end of the moving control member is connected with the feeding bottom plate and drives the feeding bottom plate to place one end of the pole piece to be wound in the winding mechanism, and the auxiliary positioning plate is opposite to the feeding bottom plate and is used for applying an acting force to the pole piece to be wound to position the pole piece on the feeding bottom plate.

According to the embodiment of the present invention, the positive plate single sheet with pressed tabs and the negative plate single sheet with pressed tabs are respectively input into the positive plate feeding unit and the negative plate feeding unit of the miniature battery winder of the present invention; the positive plate and the negative plate are directly wound into the winding mechanism respectively through the positive plate supply unit and the negative plate supply unit, and meanwhile, the diaphragm paper in one group of diaphragm supply mechanisms is wound between the positive plate and the negative plate, and the diaphragm paper in the other group of diaphragm supply mechanisms is wound outside the positive plate or the negative plate, so that the winding process of the battery cell is realized; and after the single positive plate and the single negative plate are wound, cutting the diaphragm paper, and outputting the wound battery cell to a product discharge mechanism for discharge. The utility model discloses a miniature battery winder supplies with the unit through positive plate and the direct pole piece that will press good utmost point ear of negative plate supply unit and sends into winding mechanism and convolute, and automated operation, operation precision and operating efficiency can obtain better control.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 these drawings without inventive exercise.

FIG. 1 is a schematic view of a first structure of a miniature battery winder of the present invention;

FIG. 2 is a second schematic structural view of the miniature battery winder of the present invention;

FIG. 3 is a schematic structural diagram of the pole piece feeding mechanism of the present invention;

FIG. 4 is a schematic structural view of the tension feeding clip of the present invention;

fig. 5 is a schematic structural view of the pole piece feeding mechanism of the present invention;

fig. 6 is a schematic structural view of the diaphragm supply mechanism of the present invention;

fig. 7 is a schematic structural view of the winding mechanism of the present invention;

FIG. 8 is a schematic structural view of the taping mechanism of the present invention;

fig. 9 is a schematic structural view of the product discharge mechanism of the present invention.

Description of the main element symbols:

100. a pole piece feeding mechanism; 200. a pole piece supply mechanism; 300. a diaphragm supply mechanism; 400. a winding mechanism; 500. a gluing mechanism; 600. a product discharge mechanism; 700. a support frame;

101. a positive electrode sheet loading unit; 102. a negative plate feeding unit; 11. a pole piece supply tray; 12. a pole piece transfer assembly; 111. a tray base; 112. a limiting sheet; 121. a movable shaft; 122. a power control member; 123. an adsorbing member;

201. a positive plate supply unit; 202. a negative electrode sheet supply unit; 21. a pole piece feeding seat; 22. a tension feeding clamp; 23. positioning the detection assembly; 211. a feeding bottom plate; 212. moving the control member; 213. an auxiliary positioning plate; 221. a finger clamping member; 222. a tension control member; 223. fine-tuning the control member; 2211. a power cylinder; 2212. a clip; 2221. a potentiometer; 2222. a tension motor; 2223. a synchronous belt; 2231. fine tuning a motor; 2232. fine adjustment of a screw rod; 231. a detection sensor;

31. a membrane supply roll; 32. and a deviation rectifying control assembly.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention discloses a miniature battery winder, which comprises a pole piece feeding mechanism 200, a diaphragm feeding mechanism 300, a winding mechanism 400, a product discharging mechanism 600 and a supporting frame 700, wherein the pole piece feeding mechanism 200, the diaphragm feeding mechanism 300, the winding mechanism 400 and the product discharging mechanism 600 are all fixed on the supporting frame 700.

The pole piece supply mechanism 200 includes a positive pole piece supply unit 201 and a negative pole piece supply unit 202 having the same structure, the positive pole piece supply unit 201 and the negative pole piece supply unit 202 are respectively disposed on both sides of the winding mechanism 400 and input the positive pole piece and the negative pole piece to the winding mechanism 400, one group of the separator supply mechanisms 300 is disposed on one side of the positive pole piece supply unit 201 and input the separator to the winding mechanism 400, the other group of the separator supply mechanisms 300 is disposed on one side of the negative pole piece supply unit 202 and input the separator to the winding mechanism 400, and the product discharge mechanism 600 is disposed on the winding output end of the winding mechanism 400.

Compared with the prior art, the anode sheet feeding unit 101 and the cathode sheet feeding unit 102 of the miniature battery winder of the utility model are respectively provided with the anode sheet single sheet with pressed pole lugs and the cathode sheet single sheet with pressed pole lugs; the positive plate supply unit 201 and the negative plate supply unit 202 directly wind the positive plate and the negative plate into the winding mechanism 400 respectively, and simultaneously wind the diaphragm paper in one group of the diaphragm supply mechanisms 300 between the positive plate and the negative plate, and wind the diaphragm paper in the other group of the diaphragm supply mechanisms 300 outside the positive plate or the negative plate, thereby realizing the winding process of the battery cell; and after the winding of the single positive plate and the single negative plate is completed, cutting the diaphragm paper, and outputting the wound battery cell to the product discharge mechanism 600 for discharge. The utility model discloses a miniature battery winder supplies with unit 201 and negative pole piece through the positive plate and supplies with unit 202 and directly sends into winding mechanism 400 with the pole piece of pressing good utmost point ear and convolute, and automated operation, operation precision and operating efficiency can obtain better control.

Referring further to fig. 3-4, the pole piece feeding mechanism 200 includes a pole piece feeding base 21 for carrying the tape wound pole piece, and a tension feeding clamp 22 for providing tension to the tape wound pole piece to keep the tape wound pole piece in a straightened state during the process of continuously winding the tape wound pole piece into the winding mechanism 400. Because positive plate and negative pole piece in this scheme are the monolithic pole piece of pressing utmost point ear, use tension feeding clamp 22 centre gripping pole piece to get into winding mechanism 400, can guarantee constantly that the pole piece gets into the in-process of winding mechanism 400 and be in the state of flare-outing, the coiling position can not incline to reach accurate coiling and the effect of closely coiling, can effectively improve bluetooth battery's production efficiency.

In this embodiment, the tension feeding clamp 22 includes a clamping finger 221 and a tension control member 222, the clamping finger 221 is used for clamping the pole piece to be wound, the clamping finger 221 is connected with the movable end of the tension control member 222, and the clamping finger 221 is movable between the pole piece feeding seat 21 and the winding mechanism 400. The finger-clamping member 221 includes an upper and a lower clamping pieces 2212 and a power cylinder 2211 for controlling the upper and the lower clamping pieces 2212 to clamp the pole piece or loosen the clamping pieces 2212, the tension control member 222 includes a potentiometer 2221, a tension motor 2222 and a synchronous belt 2223, the synchronous belt 2223 is looped at the movable end of the tension motor 2222, and the finger-clamping member 221 is fixed on the synchronous belt 2223. In the winding process, the upper and lower clamping pieces 2212 move in the direction pointing to the winding mechanism 400, the potentiometer 2221 is connected with the upper and lower clamping pieces 2212, when the potentiometer 2221 reaches a set displacement, the potentiometer 2221 sends a signal to the PLC, and the PLC sends a command to control the tension motor 2222 to drive the synchronous belt 2223 to rotate, so that the clamping finger 221 on the synchronous belt 2223 is driven to advance and wind along with the pole piece, the tension of the pole piece is controlled in real time, and the pole piece is ensured to be in a tightened state.

In this embodiment, the pole piece feeding mechanism 200 further includes a positioning detection assembly 23 for detecting a winding position of the pole piece to be wound, and the positioning detection assembly 23 includes a plurality of detection sensors 231 disposed between the pole piece feeding seat 21 and the winding mechanism 400. The detection sensor 231 is provided mainly for detecting the specific position where the pole piece is wound. For example, the detection sensor 231 is disposed on the top of the pole piece feeding seat 21, when the head of the pole piece passes through a specific position, the detection sensor 231 obtains sensing information and sends a signal to the PLC, the clamping finger 221 is controlled to clamp the pole piece and input the winding mechanism 400, when the tail of the pole piece passes through a specific position, the detection sensor 231 obtains sensing information and sends a signal to the PLC, the clamping finger 221 is controlled to release the pole piece, and pole piece winding is completed. Meanwhile, the detection sensor 231 may also sense whether the pole piece is deviated in the width direction, and if there is deviation in the width direction, it needs to be controlled by the fine-tuning control member 223 of the tension feeding clamp 22.

Specifically, the fine adjustment control member 223 includes a fine adjustment motor 2231 and a fine adjustment screw rod 2232, the fine adjustment screw rod 2232 is connected to a movable end of the fine adjustment motor 2231, and the finger clamping member 221 is fixedly connected to the fine adjustment screw rod 2232. When the detection sensor 231 detects that the pole piece deviates in the width direction, a signal is sent to the PLC, and the fine adjustment motor 2231 drives the fine adjustment screw 2232 to rotate clockwise or counterclockwise, so that the moving fine adjustment of the finger clamping piece 221 in the width direction of the pole piece is realized, and the winding accuracy of the pole piece is further ensured.

Referring to fig. 5, the miniature battery winder further includes a pole piece feeding mechanism 100, the pole piece feeding mechanism 100 includes a positive pole piece feeding unit 101 and a negative pole piece feeding unit 102 having the same structure, an output end of the positive pole piece feeding unit 101 is connected to an input end of the positive pole piece supplying unit 201, and an output end of the negative pole piece feeding unit 102 is connected to an input end of the negative pole piece supplying unit 202.

Specifically, the pole piece feeding mechanism 100 includes a pole piece feeding tray 11 and a pole piece transferring assembly 12, the pole piece feeding tray 11 carries the pole piece to be wound, and the pole piece transferring assembly 12 is movably connected between the pole piece feeding tray 11 and the pole piece feeding seat 21 and transfers the pole piece to be wound from the pole piece feeding tray 11 to the pole piece feeding seat 21. The positive plate and the negative plate are single-sheet type pole pieces with pole lugs, in the feeding process, a plurality of single-sheet type pole pieces are arranged in the feeding disc in a stacking mode, and each pole piece is sequentially loaded into the corresponding pole piece feeding seat 21 through the pole piece transferring assembly 12, so that the feeding process of the pole pieces is realized. Pole piece material loading in this scheme takes full automatization operation, can effectively reduce manual operation's error and the damage to the product.

In this embodiment, the pole piece transferring assembly 12 includes a moving shaft 121, a power control element 122 and an absorbing element 123, the power control element 122 is movably connected to the moving shaft 121, and the absorbing element 123 is telescopically connected to the power control element 122. The adsorption part 123 comprises an adsorption adjusting shaft and a sucker, the adsorption adjusting shaft is connected with the power control part 122 in a telescopic mode, and the sucker is fixed on the adsorption adjusting shaft and extends to the pole piece to be wound. The damage to the pole piece can be avoided as far as possible to the setting of sucking disc, removes axle 121 and can realize the sucking disc at pole piece material loading seat 21 and the removal between the pole piece supply tray 11, and power control part 122 can realize the sucking disc between the removal from top to bottom, and every sucking disc all links to each other with corresponding cylinder to realize the adsorption process of sucking disc. Optionally, a horizontal movement motor for facilitating horizontal movement of the suction cup is disposed on the movement shaft 121, and a vertical movement cylinder for facilitating vertical movement of the suction cup is disposed on the power control member 122.

In this embodiment, the sucking disc includes the multiunit, adsorbs to be equipped with the slide rail that the sucking disc of being convenient for removed on the regulating spindle. The positions of the groups of suckers can be adjusted, so that the suckers are suitable for pole pieces with different lengths. Meanwhile, the pole piece supply tray 11 comprises a tray base 111 and a limiting piece 112 movably connected to the tray base 111, and the limiting pieces 112 and the tray base 111 enclose a groove body for accommodating the pole piece to be wound. The stopper 112 can move on the disk base 111, so that the pole pieces with different sizes can be loaded.

In this embodiment, the pole piece feeding base 21 includes a feeding bottom plate 211, a moving control member 212 and an auxiliary positioning plate 213, wherein the moving end of the moving control member 212 is connected to the feeding bottom plate 211 and drives the feeding bottom plate 211 to place one end of a pole piece to be wound in the winding mechanism 400, and the auxiliary positioning plate 213 is opposite to the feeding bottom plate 211 and is configured to apply an acting force to the pole piece to be wound to position the pole piece on the feeding bottom plate 211. After the pole piece transferred by the pole piece transferring assembly 12 is placed into the feeding bottom plate 211, the auxiliary positioning plate 213 pushes the pole piece along the width direction of the pole piece until the pole piece enters the specific position of the feeding bottom plate 211, so as to achieve the primary width direction positioning of the pole piece.

The movable control part 212 is arranged to move the feeding bottom plate 211 towards the winding mechanism 400 until the head of the pole piece is inserted into the winding mechanism 400, and then the clamping finger 221 in the pole piece supply mechanism 200 extends out to clamp the pole piece, the movable control part 212 drives the feeding bottom plate 211 to retract, and the clamping finger 221 is driven by the tension control part 222 to convey the pole piece to the winding mechanism 400.

Referring further to FIG. 6, the membrane feeding mechanism 300 includes a membrane feeding roll 31 and a deviation rectification control assembly 32, wherein the membrane feeding roll 31 is disposed at a movable end of the deviation rectification control assembly 32. In order to ensure the precision of the diaphragm in the process of winding the pole piece, a deviation-rectifying control assembly 32 which is convenient for adjusting the position of the diaphragm paper along the width direction of the diaphragm is further arranged on the diaphragm feed roll 31, the deviation-rectifying control assembly 32 comprises a deviation-rectifying motor and a deviation-rectifying lead screw, the power end of the deviation-rectifying lead screw is connected with the deviation-rectifying motor, and the thread end of the deviation-rectifying lead screw is connected with the diaphragm feed roll 31.

In this embodiment, the micro battery winding machine further includes an adhesive applying mechanism 500, and the adhesive applying mechanism 500 is disposed between the winding mechanism 400 and the product discharging mechanism 600. After the positive plate, the negative plate and the diaphragm paper are wound, the tail of the diaphragm paper needs to be rubberized by the rubberizing mechanism 500, so that the integrity of the battery cell is ensured, and the battery cell is not easy to scatter.

It should be noted that the main improvement of the present application is to feed and tension the single sheet pole pieces into the winding mechanism 400, so as to achieve an accurate and automatic cell winding process. Referring to fig. 7-9, in the present embodiment, the winding mechanism 400, the adhesive applying mechanism 500 and the product discharging mechanism 600 are conventional technologies as long as they can achieve the corresponding functions, for example, the above components are specifically described in the patent application document with the prior application number "2017113937590" of the present applicant and the patent name "lithium manganese cylindrical battery full-automatic winding machine", and therefore, they are not described herein again.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

Above is the description to the technical scheme that the utility model provides, to technical personnel in the field, according to the utility model discloses the thought of embodiment all has the change part on concrete implementation and range of application, to sum up, this description content should not be understood as the restriction of the utility model.

Claims

1. A miniature battery winder is characterized by comprising a pole piece feeding mechanism, a pole piece supplying mechanism, a diaphragm supplying mechanism, a winding mechanism and a product discharging mechanism, wherein the pole piece supplying mechanism comprises a positive pole piece supplying unit and a negative pole piece supplying unit which are identical in structure; the positive plate supply unit and the negative plate supply unit are respectively arranged on two sides of the winding mechanism and respectively input a positive plate and a negative plate to the winding mechanism, one group of the diaphragm supply mechanism is arranged on one side of the positive plate supply unit and inputs a diaphragm to the winding mechanism, the other group of the diaphragm supply mechanism is arranged on one side of the negative plate supply unit and inputs a diaphragm to the winding mechanism, and the product discharge mechanism is arranged at the winding output end of the winding mechanism.

2. The miniature battery winder of claim 1, wherein the pole piece feeding mechanism comprises a pole piece feeding tray carrying the pole piece to be wound and a pole piece transfer assembly movably connected between the pole piece feeding tray and the pole piece feeding mechanism and transferring the pole piece to be wound from the pole piece feeding tray to the pole piece feeding mechanism.

3. The miniature battery winder of claim 2, wherein the diaphragm supply mechanism comprises a diaphragm supply roll and a deflection control assembly, the diaphragm supply roll being disposed at a free end of the deflection control assembly.

4. The miniature battery winder of claim 3, further comprising a taping mechanism disposed between the winding mechanism and the product discharge mechanism.

5. The miniature battery winder according to claim 4, wherein the pole piece feeding mechanism comprises a pole piece feeding seat for carrying a tape winding pole piece, a tension feeding clamp for providing tension to the tape winding pole piece to enable the pole piece to be wound to be in a straightened state in the process of continuously winding the pole piece to be wound into the winding mechanism, and a positioning detection assembly for detecting the winding position of the pole piece to be wound.

6. The miniature battery winder of claim 5, wherein the tension feed clamp comprises a finger and a tension control member, the finger is used for clamping the pole piece to be wound, the finger is connected with a movable end of the tension control member, and the finger is movable between the pole piece feeding seat and the winding mechanism.

7. The miniature battery winder of claim 6, wherein the tension feed clamp further comprises a fine adjustment control, the fine adjustment control comprising a fine adjustment motor and a fine adjustment screw connected to a movable end of the fine adjustment motor, the clamp finger being fixedly connected to the fine adjustment screw.

8. The miniature battery winding machine as claimed in claim 5, wherein the pole piece feeding seat comprises a feeding bottom plate, a moving control member and an auxiliary positioning plate, wherein a movable end of the moving control member is connected with the feeding bottom plate and drives the feeding bottom plate to place one end of the pole piece to be wound in the winding mechanism, and the auxiliary positioning plate is opposite to the feeding bottom plate and is used for applying a force to the pole piece to be wound to position the pole piece to be wound on the feeding bottom plate.