CN217848013U - Roll up core and rub flat device - Google Patents

Abstract

The utility model provides a rolling core flattening device, which comprises two flattening components, an image acquisition unit and a control unit; the two flattening components are respectively arranged at two ends of the winding core, each flattening component is provided with a flattening part, a first driving part and a second driving part, the image acquisition unit acquires image information of one electrode lug and a diaphragm at the corresponding end, the control unit receives the image information and compares the image information with prestored target image information, and control signals are sent to the first driving part and the second driving part in sequence so as to drive the flattening parts to rotate after the flattening parts are moved to target positions. Roll up core and rub flat device, adopt the utmost point ear of core one end and the image information that corresponds the end diaphragm to gather through the image, the control unit receives image information and compares with target image information, makes first drive division will respectively rub the target position that flat portion removed to order about through second drive division and rub the flat portion and rotate, do benefit to improving the flat effect of rubbing and the product percent of pass of utmost point ear.

Description

Rolling core kneading device

technical field

The utility model relates to the technical field of batteries, in particular to a rolling core flattening device.

Background technique

In the slitting process of the core pole piece, due to the fluctuation of the foil cutting size and the fluctuation of the alignment of the pole piece in the winding process, the size of the foil area of the core processed by the winding process is consistent, so that It has an influence on the flattening qualification rate of the rolling core flattening process.

The traditional kneading equipment has strict requirements on the incoming material winding core in the previous process, so as to ensure the pass rate of the production in this process. But this makes the flattening compatibility of the winding cores of different specifications poor, thereby causing the increase or decrease of the cost, and the production yield is low. Therefore, how to improve the compatibility of the kneading equipment to the winding core and reduce the scrap rate of products in the kneading process has become a technical problem to be solved urgently by those skilled in the art.

Utility model content

In view of this, the utility model aims to propose a rolling core flattening device to improve the flattening effect and pass rate of the tab.

In order to achieve the above object, the technical solution of the utility model is achieved in that:

A winding core flattening device, which is used to flatten the tabs at both ends of the clamped winding core to a target length, and the rolling core flattening device includes two flattening components, an image acquisition unit and a control unit;

The two kneading and flattening assemblies are respectively arranged at both ends of the winding core, and each kneading and flattening assembly has a kneading and flattening part for kneading and flattening the tabs, and each kneading and flattening part is driven by receiving an external control signal a moving first driving part, and a second driving part driving each kneading and flattening part to rotate;

The image acquisition unit is connected to the control unit, and the image acquisition unit is used to acquire the image information of one of the tabs and the corresponding diaphragm, and send it to the control unit;

The control unit is respectively connected to the first drive unit and the second drive unit, and the control unit receives the image information and compares it with the pre-stored target image information, and sends successively to each of the first drive units Sending a control signal to the second driving part to drive each of the kneading and flattening parts to rotate after moving each of the kneading and flattening parts to a target position.

Further, the rolling core flattening device also includes a clamping seat for supporting the rolling core, and a clamping plate buckled on the clamping seat; the rolling core can be clamped on the between the clamping seat and the clamping plate.

Further, corresponding to the image acquisition unit, a notch is opened at one end of the clamping plate, and the winding core exposed through the notch is located on the acquisition path of the image acquisition unit.

Further, the winding core flattening device further includes a third driving part, and the third driving part is used to drive the clamping plate close to or away from the clamping seat.

Further, the kneading and flattening assembly includes a base and a sliding seat that guides and slides on the base; the kneading and flattening part includes a kneading and flattening wheel that is rotatably arranged on the sliding seat.

Further, the first driving part includes a first driving motor arranged on the base; and/or, the second driving part includes a second driving motor, and the second driving motor is connected to the kneading flat The wheel drive is connected.

Further, the side of the kneading wheel facing the lug is provided with a plurality of conical kneading heads arranged at intervals around the circumference of the kneading wheel, and the small diameter ends of the kneading heads face the Center setting of the kneading flat wheel to knead the lugs flat.

Further, a push rod is provided at the center of the flattening wheel facing the tab, and a plurality of the flattening heads abut against the outer wall of the push rod.

Further, the image acquisition unit includes a CCD camera.

Further, the bottom of the CCD camera is provided with a protective ring around the collection end of the CCD camera.

Compared with the prior art, the utility model has the following advantages:

The rolling core flattening device described in the utility model, through the image adopting unit to collect the image information of the pole lug at one end of the clamping winding core and the diaphragm at the corresponding end, the control unit receives the image information and compares it with the target image information, and can pass the first The driving part moves each kneading flat part to the target position, and drives the kneading flat part to rotate through the second driving part to knead the tab to the target length, which is beneficial to improve the kneading effect of the tab and the qualified rate of the product.

In addition, the structure of the clamping seat and the clamping plate is simple, and the clamping effect on the winding core is good. The setting of the gap is beneficial to improve the image acquisition effect of the image acquisition unit on one end of the winding core. The arrangement of the third driving part is beneficial to improve the clamping effect on the winding core. The structure of the base and the sliding seat is simple, which is convenient for arrangement and implementation. The products of the first driving motor and the second driving motor are mature, and the driving effect is good.

In addition, multiple conical kneading heads are good for kneading the ears. The ejector rod is beneficial to improve the positioning effect, and the structure is simple, which is convenient for forming on the kneading flat wheel. The products of CCD camera are mature and have good image acquisition effect. The setting of the protective ring is beneficial to improve the protective effect on the acquisition end of the CCD camera, and the protective ring is convenient to arrange on the CCD camera.

Description of drawings

The accompanying drawings constituting a part of the utility model are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 is a schematic view of the structure of the rolling core kneading device described in the embodiment of the present invention under a viewing angle;

Fig. 2 is the structure schematic diagram of the rolling core kneading device without CCD camera described in the embodiment of the present invention under another viewing angle;

3 is a schematic structural view of the winding core described in the embodiment of the present invention;

Fig. 4 is a schematic structural view of the smoothing wheel described in the embodiment of the present invention.

Explanation of reference signs:

1. Rolling core; 2. Clamping seat; 3. Clamping plate; 4. CCD camera; 5. Base; 6. Kneading flat wheel; 7. Second drive motor;

101, diaphragm; 102, pole ear;

301. gap;

401. Protective ring;

501, sliding seat; 502, guide block;

601, kneading flat head; 602, connecting protrusion; 603, ejector rod;

701. Conveyor belt.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

In the description of the present utility model, it should be noted that if there are terms such as "upper", "lower", "inner", "back", etc. indicating orientation or positional relationship, it is based on the orientation or position shown in the drawings. The relationship is only for the convenience of describing the utility model and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the utility model. In addition, if terms such as "first" and "second" appear, they are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

This embodiment relates to a winding core flattening device, which is used to flatten the tabs 102 clamped at both ends of the winding core 1 to a target length. In terms of overall composition, the rolling core flattening device includes two flattening components, an image acquisition unit and a control unit.

The two kneading and flattening assemblies are separately arranged at both ends of the winding core 1, and each kneading and flattening assembly has a kneading and flattening part for kneading the tabs 102 flat, and a first drive part for driving each kneading and flattening part to move due to receiving an external control signal, and The second driving part that drives each kneading flat part to rotate.

The image acquisition unit is connected with the control unit, and the image acquisition unit is used to acquire the image information of one tab 102 and the corresponding diaphragm 101 and send it to the control unit. The control unit is respectively connected to the first drive unit and the second drive unit, and the control unit receives the image information and compares it with the pre-stored target image information, and successively sends control signals to each first drive unit and the second drive unit, so that each After the kneading flat part moves to the target position, each kneading flat part is driven to rotate.

Based on the overall introduction above, an exemplary structure of the rolling core flattening device described in this embodiment is shown in FIG. 1 and FIG. 2 , and the structure of the winding core 1 is shown in FIG. 3 . The tabs 102 at both ends of the core 1 protrude from the diaphragm 101 , one tab 102 is the positive tab of the core 1 , and the other tab 102 is the negative tab of the core 1 . In order to facilitate the clamping of the winding core 1, the rolling core flattening device summarized in this embodiment includes a clamping seat 2 for supporting the winding core 1, and a clamping plate 3 buckled on the clamping seat 2. The core 1 can be clamped between the clamping seat 2 and the clamping plate 3 .

In this embodiment, the clamping seat 2 is provided with a lower cavity for supporting the winding core 1 , and the clamping plate 3 is provided with an upper cavity corresponding to the lower cavity. Due to the fastening of the clamping plate 3 on the clamping seat 2, a clamping cavity is defined between the two parts to clamp the winding core 1 in the clamping cavity, and the axis of the winding core 1 in the clamping state Set parallel to the axial direction of the clamping seat 2.

In order to further improve the clamping effect on the winding core 1 , the winding core flattening device in this embodiment further includes a third driving part, which is used to drive the clamping plate 3 close to or away from the clamping seat 2 . As a preferred implementation, the third driving part in this embodiment can adopt a third driving motor not shown in the figure, and the power output end of the third driving motor is connected with the clamping plate 3, so as to drive the clamping plate The holding plate 3 is close to or away from the clamping seat 2, so as to realize the clamping and releasing of the winding core 1. As a preferred implementation manner, the third drive motor can also be connected to the control unit to receive a control signal from the control unit to start and stop.

The image acquisition unit in the present embodiment preferably adopts the CCD camera 4 in the prior art, and the collection end of this CCD camera 4 is arranged towards the diaphragm 101 and the tab 102 at one end of the winding core 1, so as to collect the images of the tab 102 and the diaphragm 101 Image information, so that it is convenient to obtain the actual length of the tab 102 protruding from the diaphragm 101 . In order to improve the image acquisition effect of the CCD camera 4, corresponding to the acquisition end of the CCD camera 4, a notch 301 is provided at one end of the clamping plate 3, and the core 1 exposed through the notch 301 is located on the acquisition path of the CCD camera 4.

In addition, the bottom of the CCD camera 4 is provided with a protective ring 401 that the collecting end of the ring CCD camera 4 is provided with, and this protective ring 401 can be installed on the CCD camera 4 via a support, so as to play a protective effect, and help to protect the body of the CCD camera 4 collection end. And the structure of the protective ring 401 is simple, which is convenient for arrangement and implementation on the CCD camera 4 .

Wherein, the control unit in this embodiment can specifically adopt the PLC controller in the prior art, and the target picture information of the tab 102 and the diaphragm 101 of the winding core 1 is pre-stored in the control unit, as well as the target picture information of the winding core 1. The total target length, that is, the target length of the tab 102 protruding from the diaphragm 101 and the target length of the entire winding core 1 are pre-stored in the control unit. After the control unit receives the image information collected by the CCD camera 4, it can obtain the actual length of the pole ear 102 protruding from the diaphragm 101, and compare the actual length protruding from the pole ear 102 with the protruding target length to obtain the length of each pole. The length of the ear 102 that needs to be flattened can be moved to the target position by controlling the first driving part.

It should be noted that, in this embodiment, the overall target length of the winding core 1 and the protruding length of the tab 102 protruding from the diaphragm 101 are all set according to the specific conditions of the winding core 1 . The target position means that after the flattening part flattens the first tab 102 at the target position, it can ensure that the length of one tab 102 protruding from the diaphragm 101 is equal to the target length. Since the target length of the two tabs 102 extending out of the diaphragm 101 plus the width of the diaphragm 101 is equal to the overall target length of the winding core 1, after the CCD camera 4 and the control unit obtain the distance to be moved by one of the flat parts, that is The moving distance required by another kneading part can be obtained, so as to ensure that both tabs 102 are kneaded to the target length, and the length of the entire winding core 1 also reaches the target length.

In order to flatten winding cores 1 of different specifications and have better versatility, the control unit stores various target picture information and overall target lengths of winding cores 1 . After determining the winding core 1 that needs to be flattened, it is only necessary to call the corresponding target parameters on the control unit.

As a preferred embodiment, each kneading assembly includes a base 5 and a sliding seat 501 guiding and sliding on the base 5 , and the kneading part includes a kneading wheel 6 rotatably arranged on the sliding seat 501 . As shown in FIG. 1 and FIG. 2, the base 5 is separately arranged at both ends of the clamping seat 2, and is arranged along the axial extension of the clamping seat 2, and the sliding seat 501 is slid on the base 5 along the length direction of the base 5, To make the flattening wheel 6 close to or away from the tab 102 at the corresponding end of the winding core 1 , it is beneficial to flatten or release the flattening of the tab 102 . A plurality of guide blocks 502 extending along the length direction are arranged on the base 5 , and the sliding seat 501 slides on the base 5 through the guide blocks 502 .

The first driving part in this embodiment includes a first driving motor arranged on the base 5 , the second driving part adopts a second driving motor 7 , and the second driving motor 7 is connected to the kneading wheel 6 in transmission. As shown in FIG. 1 and FIG. 2 , the power output end of the first driving motor is connected with the sliding seat 501 to drive the sliding seat 501 to guide and slide on the base 5 . Relative to the side facing the pole ear 102, a connecting protrusion 602 is provided on the other side of the kneading flat wheel 6, and a conveyor belt 701 is wound between the power output end of the second driving motor 7 and the connecting protrusion 602. The drive motor 7 drives the kneading flat wheel 6 to rotate by the conveyor belt 701 . Here, the products of the first driving motor and the second driving motor 7 are mature, convenient for layout and implementation, and have good driving effect.

It can be understood that in this embodiment, besides the first driving motor, the first driving part can also use a driving cylinder. At this time, the driving cylinder can also drive the sliding seat 501 to slide on the base 5 . In addition to the second driving motor 7, the second driving part can also adopt other driving structures that can drive the kneading wheel 6 to rotate in the prior art. Of course, the second drive motor 7 can also be directly connected to the kneading flat wheel 6 without the conveyor belt 701, as long as the requirement of driving the kneading flat wheel 6 to rotate can be met.

In order to improve the flattening effect of the pole ear 102, the side of the flattened wheel 6 facing the pole ear 102 is provided with a plurality of conical kneaded flat heads 601 arranged at intervals in the circumferential direction of the ring kneaded flat wheel 6, and the kneaded flat heads 601 of the flattened wheels 601 The small diameter end is arranged towards the center of the kneading wheel 6 to knead the tab 102 flat. Referring to Fig. 1, Fig. 2 and Fig. 4 for detailed structure, there are three kneading flat heads 601 arranged at circumferential intervals around the kneading flat wheel 6. Of course, according to specific usage requirements, the number of kneading flat heads 601 can also be adjusted. Adaptive increases and decreases. Through the small-diameter ends of the three kneading flat heads 601, that is, the tips are arranged towards the center of the kneading flat wheel 6, which can help the kneading flat heads 601 to rotate the poles from outside to inside along the radial direction of the pole ears 102 during the rotation of the kneading flat wheels 6. Ear 102 rubbed flat.

For the convenience of the installation of kneading flat heads 601, each kneading flat heads 601 can be directly fixed on the kneading flat wheels 6 as shown in the figure, or three installation blocks are set on the kneading flat wheels 6, and the large diameter ends of the kneading flat heads 601 are fixed On the mounting block, the fixed installation of the kneading flat wheel 6 on the kneading flat wheel 6 can also be realized at this moment.

In order to further improve the use effect of the kneading mechanism, in this embodiment, as shown in Figure 1 and Figure 2, a push rod 603 is provided at the center of the kneading wheel 6 facing the side of the ear 102, and a plurality of kneading heads 601 abut against the outer wall of the push rod 603 . Here, the ejector pin 603 on the flattening wheel 6 can be placed in the middle of the core 1, thereby improving the positioning and smoothing effect of the flattening wheel 6, and the ejector pin 603 has a simple structure and is convenient for arrangement and implementation.

When the rolling core flattening device described in this embodiment is in use, the control unit first sends a start signal to the third drive motor, so that the clamping plate 3 clamps the winding core 1 on the clamping seat 2 and the clamping plate 3 Then, the CCD camera 4 collects the image information of one tab 102 and the diaphragm 101 and sends it to the control unit. After receiving the picture information, the control unit compares it with the pre-stored picture information to obtain the position of the tab 102 protruding from the diaphragm 101. The actual length, and the extended target length, and based on the overall target length of the winding core 1, the target length of the other tab 102 extending out of the diaphragm 101 is obtained, so as to obtain the distance required to move the two kneading flat wheels 6 to the target position .

The control unit first sends a start signal to the first drive motors, each of the first drive motors drives the sliding seat 501 to slide to the corresponding target position on the base 5, and then the control unit sends a shutdown signal to the first drive motors. Then the control unit sends a starting signal to the second driving motor 7, and each second driving motor 7 drives each kneading flattening wheel 6 to rotate through the conveyor belt 701 until each kneading flattening head 601 kneads the tab 102 to the target length, and the control unit sends the second Drive motor 7 sends closing signal, makes kneading flat wheel 6 to stop rotating.

Then the control unit sends the starting signal to the first driving motor again, and each first driving motor drives the arc seat back, and then the control unit sends the starting signal to the third driving motor, and drives the clamping plate 3 toward the position away from the clamping seat 2 direction, at this moment, the winding core 1 that has been kneaded flat on the clamping seat 2 can be taken off.

The winding core flattening device described in this embodiment, through the image adopting unit collecting the image information of the tab 102 clamping one end of the winding core 1 and the corresponding end diaphragm 101, the control unit receives the image information and compares it with the target image information, which can The kneading and flattening parts are moved to the target position by the first driving part, and the kneading and flattening parts are driven to rotate by the second driving part to knead the tabs 102 to the target length, which is beneficial to improve the kneading and flattening effect of the tabs 102 and the winding core 1 pass rate, and has good practicability.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (10)

1. A core flattening device is used for flattening tabs (102) at two ends of a clamped core (1) to a target length, and is characterized in that:

the core flattening device comprises two flattening components, an image acquisition unit and a control unit;

the two flattening components are respectively arranged at two ends of the winding core (1), each flattening component is provided with a flattening part for flattening the tab (102), a first driving part for driving each flattening part to move due to receiving an external control signal, and a second driving part for driving each flattening part to rotate;

the image acquisition unit is connected with the control unit and is used for acquiring image information of one of the tabs (102) and the corresponding end diaphragm (101) and sending the image information to the control unit;

the control unit is respectively connected with the first driving part and the second driving part, receives the image information and compares the image information with pre-stored target image information, and sends control signals to the first driving part and the second driving part in sequence so as to drive the flattening parts to rotate after the flattening parts are moved to target positions.

2. The core flattening apparatus of claim 1, wherein:

the roll core flattening device also comprises a clamping seat (2) for supporting the roll core (1) and a clamping plate (3) buckled on the clamping seat (2);

the winding core (1) can be clamped between the clamping seat (2) and the clamping plate (3).

3. The core flattening apparatus of claim 2, characterized in that:

corresponding to the image acquisition unit, a notch (301) is formed in one end of the clamping plate (3), and the notch (301) exposes the winding core (1) to be located on an acquisition path of the image acquisition unit.

4. The core flattening apparatus of claim 2, characterized in that:

the core flattening device further comprises a third driving part, and the third driving part is used for driving the clamping plate (3) to be close to or far away from the clamping seat (2).

5. The core flattening apparatus of claim 1, wherein:

the kneading and flattening assembly comprises a base (5) and a sliding seat (501) which is guided to slide on the base (5);

the kneading and flattening part comprises a kneading and flattening wheel (6) which is rotatably arranged on the sliding seat (501).

6. The core flattening apparatus of claim 5, characterized in that:

the first driving part comprises a first driving motor arranged on the base (5); and/or the presence of a gas in the gas,

the second driving part comprises a second driving motor (7), and the second driving motor (7) is in transmission connection with the kneading and flattening wheel (6).

7. The core flattening apparatus of claim 5, wherein:

one side of the flattening wheel (6) facing the pole lug (102) is provided with a plurality of conical flattening heads (601) which are arranged at intervals in the circumferential direction of the flattening wheel (6), and the small-diameter ends of the flattening heads (601) face to the center of the flattening wheel (6) so as to flatten the pole lug (102).

8. The core flattening apparatus of claim 7, wherein:

the center of one side, facing the pole lug (102), of the flattening wheel (6) is provided with a push rod (603), and the flattening heads (601) are abutted against the outer wall of the push rod (603).

9. Core flattening apparatus according to any of claims 1 to 8, characterized in that:

the image acquisition unit comprises a CCD camera (4).

10. The core flattening apparatus of claim 9, characterized in that:

and a guard ring (401) arranged at the acquisition end of the CCD camera (4) is arranged at the bottom of the CCD camera (4).

Images