CN220862986U - Composite current collector tab welding machine with CCD detection and correction functions - Google Patents

Abstract

The utility model discloses a composite current collector tab welding machine with a CCD detection and correction function, which comprises a first foil conveying mechanism, a composite current collector conveying mechanism, a second foil conveying mechanism, a welding mechanism and a winding mechanism, wherein a CCD detection mechanism for detecting whether a double-sided foil supplementing composite current collector is deviated or not and welding quality is arranged between the welding mechanism and the winding mechanism, and the first foil conveying mechanism, the composite current collector conveying mechanism and the second foil conveying mechanism all comprise correction components and movable correction sensors capable of adjusting positions according to feedback of the CCD detection mechanism. The utility model can automatically adjust the offset of the double-sided foil-supplementing composite current collector to the set offset range, thereby ensuring the welding quality and avoiding the influence of the offset accumulated to a certain degree on the subsequent process.

Description

Composite current collector tab welding machine with CCD detection and correction functions

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a composite current collector tab welding machine with a CCD detection and correction function.

Background

In the production process of lithium batteries, a metal foil is generally selected as a current collector, wherein an aluminum foil is selected as a positive current collector, and a copper foil is selected as a negative current collector. In order to improve the energy density and safety of a battery, a composite current collector obtained by compositing a polymer film and a metal plating layer is attracting attention. However, since the composite current collector includes an insulating layer formed of a polymer material, the tab of the composite current collector cannot transmit the current in the cell to the electrode terminal, and thus it is necessary to transfer the tab of the composite current collector with a foil (aluminum foil or copper foil) so as to transmit the current in the cell.

The Chinese patent publication No. CN211305284U discloses a tab welding device, comprising: the first foil conveying mechanism is used for conveying the first foil. And the current collector conveying mechanism is used for conveying the composite current collector. And the second foil conveying mechanism is used for conveying the second foil. The welding device is configured to simultaneously clamp the first foil and the second foil so as to clamp the composite current collector between the first foil and the second foil and simultaneously weld the first foil and the second foil on two opposite surfaces of the composite current collector respectively. And the winding mechanism is used for winding the composite current collector with the first foil and the second foil welded on the two opposite surfaces respectively. This utmost point ear welding set can weld first foil and second foil respectively at two surfaces of compound current collector through once welded mode, improves welding efficiency.

However, in the above-mentioned tab welding device scheme, although the movable deviation correcting sensor and the first deviation correcting component are disposed on the first foil conveying mechanism, the current collector conveying mechanism and the second foil conveying mechanism, and are used for correcting the positions of the first foil, the composite current collector and the first foil before welding, the welded composite current collector still has a certain probability to deviate along with the welding of the welding device or under the action of external force, and when the deviation is accumulated to a certain extent, the subsequent process is affected.

The above drawbacks are to be ameliorated.

Disclosure of utility model

In order to solve the problem that in the prior art, a tab welding device can deviate with certain probability along with welding of welding equipment or under the action of external force, and the follow-up process can be influenced after the deviation is accumulated to a certain degree, the utility model provides a composite current collector tab welding machine with a CCD detection and correction function.

The technical scheme of the utility model is as follows:

The utility model provides a compound current collector tab welding machine with CCD detects function of rectifying, includes first foil conveying mechanism, compound current collector conveying mechanism, second foil conveying mechanism, welding mechanism and winding mechanism, first foil that first foil conveying mechanism carried compound current collector conveying mechanism and second foil that second foil conveying mechanism carried behind the roll welding in welding mechanism, form two-sided foil compensating compound current collector and wind in winding mechanism, welding mechanism with be provided with between the winding mechanism and be used for detecting whether two-sided foil compensating compound current collector skew and welding quality's CCD detection mechanism, first foil conveying mechanism compound current collector conveying mechanism with second foil conveying mechanism all includes rectifying assembly and can be based on CCD detection mechanism's feedback adjustment position's movable sensor of rectifying.

According to the composite current collector tab welding machine with the CCD detection and correction function, the movable correction sensors in the first foil conveying mechanism, the composite current collector conveying mechanism and the second foil conveying mechanism are all positioned at the front end of the welding mechanism.

According to the composite current collector tab welding machine with the CCD detection and correction function, the movable correction sensor comprises a correction sensor body and a movable module used for driving the correction sensor body to move, and the driving end of the movable module is connected with the correction sensor body.

According to the composite current collector tab welding machine with the CCD detection and correction function, the first foil conveying mechanism further comprises a first foil unreeling roller, and the correction component of the first foil conveying mechanism is arranged on one side of the first foil unreeling roller;

The composite current collector conveying mechanism further comprises a composite current collector unreeling roller, and a correction component of the composite current collector conveying mechanism is arranged at the front end of a movable correction sensor of the composite current collector conveying mechanism;

The second foil conveying mechanism further comprises a second foil unreeling roller, and the deviation correcting component of the second foil conveying mechanism is arranged on one side of the second foil unreeling roller.

Further, a first tension swing roller mechanism is arranged between the composite current collector unreeling roller and the deviation rectifying assembly of the composite current collector conveying mechanism.

Further, the first tension swing roller mechanism comprises a swing roller support, a first tension roller arranged at one end of the swing roller support, a counterweight roller arranged at the other end of the swing roller support and a rotating mechanism, wherein the driving end of the rotating mechanism is connected with the middle part of the swing roller support and drives the swing roller support to rotate.

Further, the weight of the counter weight roller is the same as the weight of the first tension roller.

Further, the swing roller support comprises two oppositely arranged connecting plates, the first tension roller is arranged at one end between the two connecting plates, the counterweight roller is arranged at the other end between the two connecting plates, and the driving end of the rotating mechanism is connected with the middle parts of the two connecting plates.

Further, the rotary mechanism comprises a rotary servo motor and a rotary driving roller, wherein the rotary servo motor is arranged on the outer side of one of the connecting plates, the rotary driving roller is arranged in the middle between the two connecting plates, and one end of the rotary driving roller is connected with a driving shaft of the rotary servo motor.

Further, a driving shaft of the rotary servo motor is connected with the rotary driving roller through a coupler.

Further, the front end of the rotary servo motor is provided with a motor mounting plate, and the middle part of the motor mounting plate is provided with an opening for the driving shaft of the rotary servo motor to pass through.

Further, the rotating mechanism further comprises a driving roller supporting frame, two bearing seats which are oppositely arranged are arranged on the driving roller supporting frame, and the rotating driving roller is movably arranged on the two bearing seats.

Further, the left side and the right side of the swing roller support are symmetrically provided with swing roller angle limiting assemblies respectively.

Further, the swing roller angle limiting assembly comprises a limiting block mounting seat, a swing roller angle limiting piece and an in-place sensor, wherein the swing roller angle limiting piece and the in-place sensor are arranged on the limiting block mounting seat.

Further, the two swing roller angle limiting parts and the connecting plate close to the rotary servo motor are located on the same rotation plane.

According to the composite current collector tab welding machine with the CCD detection and correction function, the winding mechanism comprises the winding roller and the compression roller assembly arranged above the winding roller, and the compression roller of the compression roller assembly is pressed to wind the composite current collector with foil supplementing on two sides of the winding roller.

According to the composite current collector tab welding machine with the CCD detection and correction function, an active traction mechanism for providing power for the movement of the double-sided foil-supplementing composite current collector is arranged between the welding mechanism and the winding mechanism.

Further, a second tension swing roller mechanism is arranged between the welding mechanism and the active traction mechanism.

Further, a welding and pressing flattening mechanism for flattening welding and pressing on the two-sided foil-supplementing composite current collector is arranged between the active traction mechanism and the winding mechanism.

Further, the welding and printing flattening mechanism comprises an upper pressing roller, a lower pressing roller, a pressing roller driving motor and a flattening cylinder, the two-sided foil supplementing composite current collector passes through the upper pressing roller and the lower pressing roller, a driving shaft of the pressing roller driving motor is connected with a rotating shaft of the upper pressing roller and drives the upper pressing roller to rotate, the linear speed of the upper pressing roller is the same as that of the driving traction mechanism, a telescopic end of the flattening cylinder is connected with one side of the upper pressing roller and drives the upper pressing roller to press the lower pressing roller, and the welding and printing on the two-sided foil supplementing composite current collector is flattened.

Further, an electrostatic dust removing mechanism for removing powder and static electricity on the double-sided foil-supplementing composite current collector is arranged between the welding and printing flattening mechanism and the winding mechanism.

Further, the electrostatic dust removal mechanism comprises two electrostatic dust removal modules which are symmetrically arranged, the two-sided foil supplementing composite current collector passes through the space between the electrostatic dust removal modules, and the electrostatic dust removal modules comprise a dust removal mechanism for removing powder on the two-sided foil supplementing composite current collector and an ion fan mechanism for removing static on the two-sided foil supplementing composite current collector.

Further, the dust removing mechanism comprises a dust collecting installation seat and a dust collecting pipe arranged on the dust collecting installation seat, a dust collecting opening is formed in one side, close to the two-side foil supplementing composite current collector, of the dust collecting pipe, and the dust collecting pipe is connected with the vacuum generator through a connecting pipe.

Further, the ion fan mechanism comprises a fan mounting seat and an ion fan mounted on the fan mounting seat, and the ion fan faces to the two-side foil supplementing composite current collector and is positioned above the dust collection pipe.

According to the composite current collector tab welding machine with the CCD detection and correction function, the welding mechanism comprises the upper roll welding assembly and the lower bearing welding assembly, the first foil, the composite current collector and the second foil pass through the space between the upper roll welding assembly and the lower bearing welding assembly, and the wrap angle of the first foil, the composite current collector and the second foil passing through the lower bearing welding assembly is 0-180 degrees.

Compared with the prior art, the utility model has the beneficial effects that:

According to the composite current collector tab welding machine with the CCD detection and correction function, the CCD detection mechanism is arranged between the welding mechanism and the winding mechanism, and the movable correction sensor capable of adjusting the position according to feedback of the CCD detection mechanism is arranged, when the CCD detection mechanism detects that the offset of the two-sided foil-supplementing composite current collector exceeds a set offset range, an adjustment instruction is sent to the movable correction sensor, so that the movable correction sensor adjusts the reference position of the movable correction sensor according to the adjustment instruction, and the two-sided foil-supplementing composite current collector is automatically adjusted to the set offset range after being offset, thereby ensuring welding quality and avoiding influence on a subsequent process after the offset is accumulated to a certain degree.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a first movable deskew sensor according to the present utility model;

FIG. 3 is a schematic view of a first tension swing roller mechanism according to the present utility model;

FIG. 4 is a front view of a first tension pendulum roller mechanism of the present utility model;

FIG. 5 is a side view of a first tension pendulum roller mechanism of the present utility model;

FIG. 6 is a schematic structural view of an electrostatic precipitator mechanism according to the present utility model;

Fig. 7 is a cross-sectional view of the electrostatic precipitator mechanism in accordance with the present utility model.

In the drawing of the figure,

1. A first foil transport mechanism; 101. a first foil unwind roller; 102. a first movable deviation correcting sensor; 1021. a correction sensor body; 1022. a mobile module;

2. A composite current collector transport mechanism; 201. a composite current collector unreeling roller; 202. the second deviation rectifying component; 203. a second movable deviation correcting sensor;

3. a second foil transport mechanism; 301. a second foil unwind roller; 302. a third movable deviation correcting sensor;

4. a welding mechanism; 401. an upper roll welding assembly; 402. a lower welding assembly;

5. an active traction mechanism;

6. a winding mechanism; 601. a wind-up roll; 602. a press roll assembly;

7. A CCD detection mechanism;

8. a first tension pendulum roller mechanism; 801. a swing roller bracket; 8011. a connecting plate; 802. a first tension roller; 803. a counterweight roller; 804. a rotation mechanism; 8041. rotating the servo motor; 8042. a rotary driving roller; 8043. a coupling; 8044. a motor mounting plate; 8045. a drive roller support; 8046. a bearing seat; 805. a swing roller angle limiting assembly; 8051. a limiting block mounting seat; 8052. swing roller angle limiting piece; 8053. an in-place sensor;

9. a second tension swing roller mechanism; 901. a second tension roller;

10. A welding and stamping flattening mechanism; 1001. an upper press roll; 1002. a lower press roll; 1003. flattening cylinder;

11. An electrostatic dust removing mechanism; 1101. a dust removing mechanism; 11011. a dust collection mounting seat; 11012. a dust collection pipe; 11013. a dust collection port; 1102. an ion fan mechanism; 11021. a fan mounting seat; 11022. an ion blower;

100. a first foil;

200. A composite current collector;

300. A second foil;

400. and (3) foil-supplementing the two sides of the composite current collector.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, it is stated that the embodiments described below are only for explaining the present utility model and are not intended to limit the present utility model.

It should be noted that, the terms "mounted," "configured," "connected," "fixed," and the like should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The direction or position relationship is based on the direction or position relationship shown in the drawings, or the direction or position relationship which is commonly put when the application product is used, or the direction or position relationship which is commonly understood by those skilled in the art, or the direction or position relationship which is commonly put when the application product is used, only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the device or element in question must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the application. The terms "first," "second," and "third" 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. The meaning of "a plurality of" is two or more, unless specifically defined otherwise.

Referring to fig. 1, the present embodiment provides a composite current collector tab welding machine with a CCD detection and correction function, which includes a first foil conveying mechanism 1, a composite current collector conveying mechanism 2, a second foil conveying mechanism 3, a welding mechanism 4, an active traction mechanism 5 and a winding mechanism 6, wherein the first foil conveying mechanism 1, the composite current collector conveying mechanism 2 and the second foil conveying mechanism 3 are sequentially arranged from top to bottom and are located at the front end of the welding mechanism 4, and the active traction mechanism 5 and the winding mechanism 6 are sequentially arranged at the rear end of the welding mechanism 4. During operation, the first foil 100 conveyed by the first foil conveying mechanism 1, the composite current collector 200 conveyed by the composite current collector conveying mechanism 2 and the second foil 300 conveyed by the second foil conveying mechanism 3 are subjected to two-sided rolling welding by the welding mechanism 4, the first foil 100 and the second foil 300 are respectively welded on two sides of the lug end of the composite current collector 200, so that the first foil 100 and the second foil 300 can be used as the lugs of the composite current collector 200 to form the two-sided foil-supplementing composite current collector 400, the active traction mechanism 5 provides power for movement of the two-sided foil-supplementing composite current collector 400, and finally the winding mechanism 6 winds the two-sided foil-supplementing composite current collector 400.

Wherein, be provided with between welding mechanism 4 and the winding mechanism 6 and be used for detecting two sides foil filling compound current collector 400 whether skew and welding quality's CCD detection mechanism 7. The first foil conveying mechanism 1 comprises a first foil unreeling roller 101 for storing a first foil 100, a first deviation rectifying component for rectifying deviation of the first foil 100 in conveying and a first movable deviation rectifying sensor 102 capable of adjusting the position according to feedback of the CCD detecting mechanism 7, wherein the first deviation rectifying component is arranged on one side of the first foil unreeling roller 101. The composite current collector conveying mechanism 2 comprises a composite current collector unreeling roller 201 for storing the composite current collector 200, a second deviation rectifying assembly 202 for rectifying the composite current collector 200 in conveying, and a second movable deviation rectifying sensor 203 capable of adjusting the position according to feedback of the CCD detecting mechanism 7, wherein the second deviation rectifying assembly 202 is arranged at the front end of the second movable deviation rectifying sensor 203. The second foil conveying mechanism 3 comprises a second foil unreeling roller 301 for storing the second foil 300, a third deviation rectifying component for rectifying the second foil 300 in conveying and a third movable deviation rectifying sensor 302 capable of adjusting the position according to feedback of the CCD detecting mechanism 7, wherein the third deviation rectifying component is arranged on one side of the second foil unreeling roller 301. Meanwhile, the first movable deviation rectifying sensor 102, the second movable deviation rectifying sensor 203 and the third movable deviation rectifying sensor 302 are all positioned at the front end of the welding mechanism 4, so that deviation rectifying accuracy can be improved.

Since the two-sided foil-compensating composite current collector 400 may deviate with a certain probability along with the welding of the welding mechanism 4 or under the action of external force, the subsequent process may be affected when the deviation is accumulated to a certain extent. Therefore, in the utility model, by arranging the CCD detection mechanism 7 between the welding mechanism 4 and the winding mechanism 6 and arranging the first movable deviation correcting sensor 102, the second movable deviation correcting sensor 203 and the third movable deviation correcting sensor 302 which can adjust positions according to feedback of the CCD detection mechanism 7, when the CCD detection mechanism 7 detects that the deviation of the double-sided foil-supplementing composite current collector 400 exceeds a set deviation range, an adjustment instruction is sent to the first movable deviation correcting sensor 102, the second movable deviation correcting sensor 203 and the third movable deviation correcting sensor 302, and the first movable deviation correcting sensor 102, the second movable deviation correcting sensor 203 and the third movable deviation correcting sensor 302 adjust the reference positions of the self-body according to the adjustment instruction. After the reference positions of the first movable deviation correcting sensor 102, the second movable deviation correcting sensor 203 and the third movable deviation correcting sensor 302 are changed, the first deviation correcting component, the second deviation correcting component 202 and the third deviation correcting component can correct the first foil 100, the composite current collector 200 and the second foil 300 in conveying again, so that the deviation of the two-sided foil-compensating composite current collector 400 is adjusted to be within a set deviation range.

Referring to fig. 2, in one embodiment, the first movable deviation correcting sensor 102, the second movable deviation correcting sensor 203 and the third movable deviation correcting sensor 302 each include a deviation correcting sensor body 1021 and a moving module 1022 for driving the deviation correcting sensor body 1021 to move, and a driving end of the moving module 1022 is connected to the deviation correcting sensor body 1021. After receiving the adjustment instruction of the CCD detection mechanism 7, the moving module 1022 drives the deviation correcting sensor body 1021 to move in a specified direction, so as to adjust the reference position of the deviation correcting sensor body 1021.

Referring to fig. 1 and fig. 3 to fig. 5, in one embodiment, a first tension swing roller mechanism 8 is disposed between the composite current collector unreeling roller 201 and the second deviation rectifying component 202, and the first tension swing roller mechanism 8 can control the tension of the composite current collector 200 to improve the welding quality. Specifically, the first tension swing roller mechanism 8 includes a swing roller support 801, a first tension roller 802 disposed at one end of the swing roller support 801, a counterweight roller 803 disposed at the other end of the swing roller support 801, and a rotation mechanism 804, wherein a driving end of the rotation mechanism 804 is connected with a middle portion of the swing roller support 801 and drives the swing roller support 801 to rotate, and when the swing roller support 801 rotates, the first tension roller 802 is driven to swing, so that tension of the composite current collector 200 is controlled, and welding quality is improved. Wherein the weight of the counter weight roller 803 is the same as the weight of the first tension roller 802. The first tension swing roller mechanism 8 is provided with the first tension roller 802 for the composite current collector 200 to pass through at one end of the swing roller bracket 801, and the counterweight roller 803 with the same weight as the first tension roller 802 is provided at the other end of the swing roller bracket 801, so that the inertia force of the first tension roller 802 can be lightened, the control of the rotating mechanism 804 is more stable, the response is faster, and the power is smaller.

Referring to fig. 3 and 4, further, the swing roller support 801 includes two oppositely disposed connection plates 8011, a first tension roller 802 is disposed at one end between the two connection plates 8011, a weight roller 803 is disposed at the other end between the two connection plates 8011, and a driving end of the rotation mechanism 804 is connected to a middle portion of the two connection plates 8011. The rotation mechanism 804 includes a rotation servo motor 8041 and a rotation driving roller 8042, the rotation servo motor 8041 is disposed outside one of the connection plates 8011, the rotation driving roller 8042 is disposed in the middle between the two connection plates 8011, and one end of the rotation driving roller 8042 is connected with a driving shaft of the rotation servo motor 8041 through a coupling 8043. When the tension is controlled, the rotary servo motor 8041 drives the connecting plate 8011 to rotate through the rotary driving roller 8042, and then drives the first tension roller 802 to swing through the connecting plate 8011.

Referring to fig. 3 to 5, further, a motor mounting plate 8044 is disposed at a front end of the rotary servo motor 8041, and the rotary servo motor 8041 is fixed by the motor mounting plate 8044. In addition, an opening is provided in the middle of the motor mounting plate 8044, and the opening is used for the driving shaft of the rotary servo motor 8041 to pass through, so that the driving shaft of the rotary servo motor 8041 can be smoothly connected with the rotary driving roller 8042.

Referring to fig. 3 and 4, further, the rotating mechanism 804 further includes a driving roller support 8045, two bearing seats 8046 are disposed on the driving roller support 8045, the driving roller 8042 is movably mounted on the two bearing seats 8046, and the driving roller support 8045 supports the driving roller 8042 through the bearing seats 8046, so that the rotating servo motor 8041 can drive the swing link support to rotate more stably.

Referring to fig. 3 and 4, further, two swing roller angle limiting assemblies 805 are symmetrically disposed on the left and right sides of the swing roller support 801, and the rotation angle of the swing roller support 801 can be limited by the two swing roller angle limiting assemblies 805, so as to limit the swing angle of the first tension roller 802, so as to avoid the excessive swing angle of the first tension roller 802 and tear the composite current collector 200. Specifically, the swing roller angle limiting assembly 805 includes a limiting block mount 8051, a swing roller angle limiting member 8052 disposed on the limiting block mount 8051, and an in-place sensor 8053. The swing roller angle limiting piece 8052 is used for blocking the swing roller support 801 from continuing to rotate after the swing roller support 801 rotates to a certain angle so as to control the maximum swing position of the first tension roller 802, and the in-place sensor 8053 is used for sending a stop signal to the rotary servo motor 8041 when the first tension roller 802 reaches the maximum swing position, so that the rotary servo motor 8041 is stopped in time, and a safety effect is achieved. In addition, the two swing roller angle limiting members 8052 and the connecting plate 8011 close to the rotary servo motor 8041 are located on the same rotation plane, so that the first tension roller 802 is not touched when the swing roller angle limiting members 8052 block the swing roller bracket 801.

Referring to fig. 1, in one embodiment, the winding mechanism 6 includes a winding roller 601 and a pressing roller assembly 602 disposed above the winding roller 601, where a pressing roller of the pressing roller assembly 602 presses the two-sided foil-supplementing composite current collector 400 wound around the winding roller 601. Because the welding marks on the two-sided foil-supplementing composite current collector 400 have a certain thickness, when the winding roller 601 winds the two-sided foil-supplementing composite current collector 400, the positions of the welding marks can bulge, and winding is affected. Therefore, the compression roller assembly 602 is arranged above the winding roller 601, and the compression roller of the compression roller assembly 602 is pressed to the two-sided foil-supplementing composite current collector 400 wound on the winding roller 601, so that the two-sided foil-supplementing composite current collector 400 is flattened, the effect that the winding plane is flat and dislocation and displacement are avoided is ensured, and the rejection rate is greatly reduced.

Referring to fig. 1, in one embodiment, a second dancer mechanism 9 is disposed between the welding mechanism 4 and the active traction mechanism 5. Because the welding mechanism 4 and the active traction mechanism 5 both have power, and a certain error exists between the two power, the error may be in a receivable range at first, but as the working time passes, the error of the two power is larger and larger, so that the film feeding speed of the welding mechanism 4 is different from the film feeding speed of the active traction mechanism 5, and the film between the two power (namely the two-sided foil-supplementing composite current collector 400) is too loose to influence the welding quality, or is too tight to stretch the film easily. Therefore, the second tension swing roller mechanism 9 is arranged between the welding mechanism 4 and the active traction mechanism 5, and the tension of the film between the welding mechanism 4 and the active traction mechanism 5 is controlled through the second tension swing roller mechanism 9, so that the film between the welding mechanism 4 and the active traction mechanism 5 is prevented from being too loose or too tight after the error of power is too large. Preferably, two ends of the swing rod of the second tension swing roller mechanism 9 are provided with a second tension roller 901, and the two-sided foil-supplementing composite current collector 400 passes through the two second tension rollers 901 in a crossing way, so that the second tension swing roller mechanism 9 can realize the tension of the double-stroke adjusting film, and the sensitivity is higher.

Referring to fig. 1, in one embodiment, a solder print flattening mechanism 10 is disposed between the active traction mechanism 5 and the take-up mechanism 6. Because the welding marks formed after the first foil 100, the composite current collector 200 and the second foil 300 are welded are generally uneven, the flatness is not high enough, and the quality of the subsequent rolling and the final product can be affected.

Referring to fig. 1, specifically, the welding and embossing flattening mechanism 10 includes an upper press roller 1001, a lower press roller 1002, a press roller driving motor and a flattening cylinder 1003, where the two-sided foil-supplementing composite current collector 400 passes between the upper press roller 1001 and the lower press roller 1002, a driving shaft of the press roller driving motor is connected with a rotating shaft of the upper press roller 1001 and drives the upper press roller 1001 to rotate, and a linear speed of the upper press roller 1001 is the same as a linear speed of the driving traction mechanism 5, and a telescopic end of the flattening cylinder 1003 is connected with one side of the upper press roller 1001 and drives the upper press roller 1001 to press the lower press roller 1002, so as to flatten welding and embossing on the two-sided foil-supplementing composite current collector 400. The upper press roller 1001 is driven by the press roller driving motor to rotate, and the linear speed of the upper press roller 1001 is the same as that of the active traction mechanism 5, so that the situation that the upper press roller 1001 is matched with the lower press roller 1002 to flatten the welding marks on the two-sided foil-supplementing composite current collector 400 and tear the two-sided foil-supplementing composite current collector 400 can be avoided.

Referring to fig. 1, in one embodiment, an electrostatic dust removing mechanism 11 is disposed between the solder leveling mechanism 10 and the winding mechanism 6. Because the metal powder generated by welding is adhered to the two-sided foil-supplementing composite current collector 400 formed by welding the first foil 100, the composite current collector 200 and the second foil 300, if the metal powder is not removed, the subsequent rolling and the quality of a final product are affected. The electrostatic dust removing mechanism 11 comprises two electrostatic dust removing modules which are symmetrically arranged, the two-sided foil supplementing composite current collector 400 vertically downwards passes through between the two electrostatic dust removing modules, the electrostatic dust removing modules comprise a dust removing mechanism 1101 for removing powder on the two-sided foil supplementing composite current collector 400 and an ion fan mechanism 1102 for removing static electricity on the two-sided foil supplementing composite current collector 400, the ion fan mechanism 1102 is located above the dust removing mechanism 1101, so that when the two-sided foil supplementing composite current collector 400 vertically downwards passes through between the two electrostatic dust removing modules, the ion fan mechanism 1102 blows ion wind towards the two sides of the two-sided foil supplementing composite current collector 400, static electricity of the two-sided foil supplementing composite current collector 400 is eliminated, metal dust attached to the two-sided foil supplementing composite current collector 400 is blown away, and then the metal dust is sucked away through the dust removing mechanism 1101.

Referring to fig. 6 and 7, specifically, the dust removing mechanism 1101 includes a dust collecting mounting base 11011 and a dust collecting tube 11012 mounted on the dust collecting mounting base 11011, a dust collecting opening 11013 is disposed on a side of the dust collecting tube 11012, which is close to the two-sided foil-compensating composite current collector 400, and the dust collecting tube 11012 is connected to a vacuum generator through a connecting tube, so that metal dust on the two-sided foil-compensating composite current collector 400 is sucked through the dust collecting opening 11013 of the dust collecting tube 11012. The ion fan mechanism 1102 comprises a fan mounting seat 11021 and an ion fan 11022 mounted on the fan mounting seat 11021, wherein the ion fan 11022 faces the two-sided foil-supplementing composite current collector 400 and is positioned above the dust collection pipe 11012, ion wind is blown towards the corresponding side of the two-sided foil-supplementing composite current collector 400 through the ion fan 11022, static electricity of the two-sided foil-supplementing composite current collector 400 is eliminated, and metal dust attached to the two-sided foil-supplementing composite current collector 400 is blown away.

Referring to fig. 1, in one embodiment, the welding mechanism 4 includes an upper roll welding assembly 401 and a lower weld supporting assembly 402, and when the first foil 100, the composite current collector 200 and the second foil 300 pass between the upper roll welding assembly 401 and the lower weld supporting assembly 402, two-sided roll welding is performed under the action of the upper roll welding assembly 401 and the lower weld supporting assembly 402, and the first foil 100 and the second foil 300 are welded on two sides of a tab end of the composite current collector 200 respectively, so that the first foil 100 and the second foil 300 can be used as tabs of the composite current collector 200 to form a two-sided foil-repairing composite current collector 400. The first foil 100, the composite current collector 200, and the second foil 300 may horizontally pass through the lower welding component 402, that is, the wrap angle of the first foil 100, the composite current collector 200, and the second foil 300 passing through the lower welding component 402 is 0 °, or may have a certain wrap angle with the lower welding component 402 when passing through the lower welding component 402, that is, the wrap angle of the first foil 100, the composite current collector 200, and the second foil 300 passing through the lower welding component 402 is greater than 0 °, so that friction force between the first foil 100, the composite current collector 200, and the second foil 300 and the lower welding component 402 may be increased, and the first foil 100, the composite current collector 200, and the second foil 300 are prevented from being offset in the welding process, so that welding quality and welding speed may be improved, and the wrap angle of the first foil 100, the composite current collector 200, and the second foil 300 passing through the lower welding component 402 may be no greater than 180 ° for convenience in conveying the first foil 100, the composite current collector 200, and the second foil 300. Because vibration is generated when the welding mechanism 4 welds, if the first foil 100, the composite current collector 200, and the second foil 300 do not have a wrap angle with the lower welding component 402, the friction force applied to the first foil 100, the composite current collector 200, and the second foil 300 will be small, and the vibration will cause the first foil 100, the composite current collector 200, and the second foil 300 to deviate, thereby affecting the welding quality.

It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the implementation of the utility model is not limited by the above manner, and it is within the scope of the utility model to apply the inventive concept and technical solution to other situations as long as various improvements made by the inventive concept and technical solution are adopted, or without any improvement.

Claims (10)

1. The utility model provides a compound current collector tab welding machine with CCD detects function of rectifying, includes first foil conveying mechanism, compound current collector conveying mechanism, second foil conveying mechanism, welding mechanism and winding mechanism, first foil that first foil conveying mechanism carried, compound current collector that compound current collector conveying mechanism carried and second foil that second foil conveying mechanism carried are in the welding mechanism after the two sides roll welding, form two-sided foil filling compound current collector and wind in winding mechanism, its characterized in that,

And a CCD detection mechanism for detecting whether the two-sided foil supplementing composite current collector is deviated or not and welding quality is arranged between the welding mechanism and the winding mechanism, and the first foil conveying mechanism, the composite current collector conveying mechanism and the second foil conveying mechanism all comprise deviation rectifying components and movable deviation rectifying sensors capable of adjusting positions according to feedback of the CCD detection mechanism.

2. The composite current collector tab welding machine with the CCD detection and correction function according to claim 1, wherein movable correction sensors in the first foil conveying mechanism, the composite current collector conveying mechanism and the second foil conveying mechanism are all positioned at the front end of the welding mechanism.

3. The composite current collector tab welding machine with the CCD detection and correction function according to claim 1, wherein the movable correction sensor comprises a correction sensor body and a movable module for driving the correction sensor body to move, and a driving end of the movable module is connected with the correction sensor body.

4. The composite current collector tab welding machine with the CCD detection and correction function according to claim 1, wherein the first foil conveying mechanism further comprises a first foil unreeling roller, and a correction component of the first foil conveying mechanism is arranged on one side of the first foil unreeling roller;

The composite current collector conveying mechanism further comprises a composite current collector unreeling roller, and a correction component of the composite current collector conveying mechanism is arranged at the front end of a movable correction sensor of the composite current collector conveying mechanism;

The second foil conveying mechanism further comprises a second foil unreeling roller, and the deviation correcting component of the second foil conveying mechanism is arranged on one side of the second foil unreeling roller.

5. The composite current collector tab welding machine with the CCD detection and correction function according to claim 4, wherein a first tension swing roller mechanism is arranged between the composite current collector unreeling roller and the correction component of the composite current collector conveying mechanism.

6. The composite current collector tab welding machine with the CCD detection and correction function according to claim 1, wherein an active traction mechanism for providing power for the movement of the double-sided foil-supplementing composite current collector is arranged between the welding mechanism and the winding mechanism.

7. The composite current collector tab welding machine with the CCD detection and correction function according to claim 6, wherein a second tension swing roller mechanism is arranged between the welding mechanism and the active traction mechanism.

8. The welding machine with CCD detection and correction function for the composite current collector tab of claim 6, wherein a welding and pressing mechanism for pressing welding and pressing on the double-sided foil-supplementing composite current collector is arranged between the active traction mechanism and the winding mechanism.

9. The composite current collector tab welding machine with the CCD detection and correction function according to claim 8, wherein an electrostatic dust removing mechanism is arranged between the welding and printing flattening mechanism and the winding mechanism, the electrostatic dust removing mechanism comprises two symmetrically arranged electrostatic dust removing modules, the double-sided foil supplementing composite current collector passes between the two electrostatic dust removing modules, and the electrostatic dust removing modules comprise a dust removing mechanism for sucking metal powder on the double-sided foil supplementing composite current collector and an ion fan mechanism for removing static electricity on the double-sided foil supplementing composite current collector.

10. The welding machine with the CCD detection and correction function for the composite current collector lug according to claim 9, wherein the dust removing mechanism comprises a dust collecting installation seat and a dust collecting pipe arranged on the dust collecting installation seat, a dust collecting opening is arranged on one side, close to the two-sided foil-supplementing composite current collector, of the dust collecting pipe, and the dust collecting pipe is connected with a vacuum generator through a connecting pipe;

The ion fan mechanism comprises a fan mounting seat and an ion fan mounted on the fan mounting seat, and the ion fan faces to the two-side foil supplementing composite current collector and is positioned above the dust collection pipe.