CN116154256A

CN116154256A - Discharging device for auxiliary support of long battery cell and working method

Info

Publication number: CN116154256A
Application number: CN202211482502.3A
Authority: CN
Inventors: 史方; 倪伟; 张少科; 裴亚萌; 余招宇
Original assignee: Rept Battero Energy Co Ltd
Current assignee: Rept Battero Energy Co Ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-05-23

Abstract

The invention provides a blanking device for auxiliary support of a long battery cell and a working method, wherein the blanking device comprises a clamping mechanism, an auxiliary support mechanism and a forming mechanism; clamping grooves are respectively arranged on the left side and the right side of the forming mechanism, and the peripheral side of the forming mechanism is wound with a coiled product; any clamping mechanism clamps the inner side and the outer side of the rolled product at the corresponding clamping groove, and the movement of the two clamping mechanisms is far away from or near to each other; the auxiliary supporting mechanism stretches into the rolled product, and the auxiliary supporting mechanism is contacted with or supported by the inner wall of the rolled product, and the movement of the auxiliary supporting mechanism comprises up-and-down movement or left-and-right translation. In the core pulling and blanking translation process, the auxiliary supporting structure keeps in contact with the upper inner wall of the coiled product, so that the upper inner wall of the coiled product is continuously supported, and the situation that the upper inner wall of the coiled product is subjected to downward protruding deformation in the core pulling and coiling process is prevented.

Description

Discharging device for auxiliary support of long battery cell and working method

Technical Field

The invention relates to the structural field of coiled product blanking devices, in particular to a blanking device for auxiliary support of a long battery cell and a working method.

Background

Secondary batteries have been widely used in our lives such as cellular phones, tablets, home appliances, transportation means, and the like. Among them, whether the safety of the secondary battery is reliable has been a topic of interest. At present, after the rolled product is rolled to a length exceeding 200mm (long battery cell), basically, a round rolling needle is used for high-speed rolling and clamping and needle drawing blanking during rolling.

The current chinese patent application document of publication No. CN211507803U discloses a battery core unloader and battery core winder, battery core unloader includes the mount pad, the roating seat, first actuating unit and two clamping units, the roating seat has the axis of revolution, the roating seat is rotationally installed on the mount pad around the axis of revolution, first actuating unit drive roating seat rotates, two clamping units are all installed on the roating seat, two clamping units are central symmetry setting around the axis of revolution, clamping unit includes first actuating mechanism, second actuating mechanism and two clamping pieces that set up relatively, two clamping pieces are connected with first actuating mechanism's output, first actuating mechanism drives two clamping pieces and removes in opposite directions or in opposite directions, first actuating mechanism is connected with second actuating mechanism's output, second actuating mechanism drives first actuating mechanism and slides along the first direction.

The current chinese patent application document with publication number CN212434692U discloses a battery core blanking device of a power battery winding machine, which comprises a left discharging clamp mechanism and a right discharging clamp mechanism, wherein the right discharging clamp mechanism and the left discharging clamp mechanism are in symmetrical structures, a left front clamping jaw cylinder, a left rear clamping jaw cylinder, a right front clamping jaw cylinder and a right rear clamping jaw cylinder respectively drive a left front clamping jaw, a left rear clamping jaw, a right front clamping jaw and a right rear clamping jaw to insert into a battery core to easily support the weight of the battery core, and a large amount of space is reserved for drawing out a winding needle.

In the prior art, when a rolled product is separated from a rolling needle after the rolling is finished and the rolled product is pulled and rolled, a pole piece positioned on the upper inner side is not controlled to sag downwards, so that the whole core pole piece diaphragm can deform when the battery core is pressed, the deformation can lead to the conditions of wrinkling of an R-angle pole piece in the rolled product, the quality of the battery core is reduced, the safety performance of a battery is influenced, and the battery is to be improved.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a blanking device for auxiliary support of a long battery cell and a working method.

The invention provides an auxiliary support blanking device for a long battery cell, which comprises a clamping mechanism, an auxiliary support mechanism and a forming mechanism; clamping grooves are respectively formed in the left side and the right side of the forming mechanism, and rolled products are wound on the periphery of the forming mechanism; the two sides of the forming mechanism are respectively provided with one clamping mechanism, the two clamping mechanisms respectively correspond to the two clamping grooves, any one clamping mechanism clamps the inner side and the outer side of a rolled product at the corresponding clamping groove, the movement of the two clamping mechanisms comprises the process of stretching into the rolled product or separating from the rolled product, and the movement of the two clamping mechanisms further comprises the process of mutually separating or approaching; the auxiliary supporting mechanism stretches into the rolled product, the auxiliary supporting mechanism is in contact with or supports the inner wall of the upper side of the rolled product, the movement of the auxiliary supporting mechanism comprises stretching into or separating from the rolled product, and the movement of the auxiliary supporting mechanism further comprises up-and-down movement or left-and-right translation.

Preferably, the device also comprises a lifting mechanism, wherein the lifting mechanism is vertically arranged, and a supporting plate is horizontally arranged on the lifting mechanism; install horizontal migration mechanism and mounting bracket in the backup pad, horizontal migration mechanism drive mounting bracket is reciprocating rectilinear motion in the backup pad, fixture, auxiliary stay mechanism and forming mechanism three are all installed on the mounting bracket.

Preferably, the mounting frame is provided with left and right driving mechanisms, the left and right driving mechanisms are in one-to-one correspondence with the clamping mechanisms, and the two left and right driving mechanisms drive the two clamping mechanisms to be close to or far away from each other.

Preferably, the upper side of the forming mechanism is provided with a supporting groove, and the auxiliary supporting mechanism extends into the supporting groove or is separated from the supporting groove.

Preferably, the auxiliary supporting mechanism comprises two supporting rods positioned on the same horizontal plane, the mounting frame is provided with a left follow-up mechanism and a right follow-up mechanism, the left follow-up mechanism and the two supporting rods are in one-to-one correspondence, and the two left follow-up mechanisms and the right follow-up mechanisms respectively drive the two supporting rods to horizontally move close to or far away from each other.

Preferably, the auxiliary supporting mechanism comprises a supporting block, and the mounting frame is provided with an up-down driving mechanism which drives the supporting block to move up and down.

Preferably, the mounting frame is further provided with a horizontal driving mechanism, and the horizontal driving mechanism drives the supporting block to extend into or withdraw from the rolled product.

According to the working method for the long-cell auxiliary support blanking device, which is provided by the invention, the working method comprises the following steps: s1, after a rolled product is wound and formed, two clamping mechanisms and an auxiliary supporting mechanism move in place along the vertical direction; s2, the two clamping mechanisms extend into the rolled product from the corresponding clamping grooves respectively, each clamping mechanism is used for clamping the inner side and the outer side of the rolled product respectively, and then the forming mechanism in the rolled product is pulled out; the auxiliary supporting mechanism and the clamping mechanism simultaneously extend into the rolled product, or the auxiliary supporting mechanism synchronously extends into the rolled product when the forming mechanism is pulled out; s3, the two clamping mechanisms are far away from each other, and meanwhile, the auxiliary supporting mechanism moves to keep supporting the inner wall of the rolled product; s4, the lifting mechanism drives the rolled product, the clamping mechanism and the auxiliary supporting mechanism to move, when the rolled product moves to a designated position, the clamping mechanism is opened, and the clamping mechanism and the auxiliary supporting mechanism are separated from the rolled product.

Preferably, the working method comprises the following steps: s1, after a rolled product is wound and formed, the lifting mechanism drives the two clamping mechanisms and the two supporting rods to move in place along the vertical direction; s2.1, the horizontal moving mechanism drives the two clamping mechanisms to extend into the rolled product from the corresponding clamping grooves, each clamping mechanism respectively clamps the inner side and the outer side of the rolled product, and simultaneously drives the two supporting rods to extend into the rolled product from the corresponding clamping grooves, and the two supporting rods respectively contact with the inner wall of the rolled product; s2.2, extracting a forming mechanism in the rolled product; s3, the two left and right driving mechanisms respectively drive the two clamping mechanisms to be far away from each other, and meanwhile, the two left and right follow-up mechanisms respectively drive the two support rods to be close to each other; s4, the lifting mechanism drives the rolled product, the two clamping mechanisms and the two supporting rods to move, when the rolled product moves to a designated position, the two clamping mechanisms are opened, and the two clamping mechanisms and the two supporting rods are separated from the rolled product.

Preferably, the working method comprises the following steps: s1, after a rolled product is wound and formed, the lifting mechanism drives the two clamping mechanisms and the supporting block to move in place along the vertical direction; s2.1, the horizontal moving mechanism drives the two clamping mechanisms to extend into the rolled product from the corresponding clamping grooves, and each clamping mechanism respectively clamps the inner side and the outer side of the rolled product; s2.2, drawing out a forming mechanism in the rolled product, and driving a supporting block to synchronously extend into the rolled product by a horizontal driving mechanism in the drawing-out process of the forming mechanism; s3, the two left and right driving mechanisms respectively drive the two clamping mechanisms to be far away from each other, and meanwhile, the upper and lower driving mechanisms drive the supporting block to move downwards; s4, the lifting mechanism drives the rolled product, the two clamping mechanisms and the supporting block to move, when the rolled product moves to the designated position, the two clamping mechanisms are opened, and the two clamping mechanisms and the supporting block are separated from the rolled product.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the two clamping mechanisms which can be far away or close to each other and the auxiliary supporting mechanism which can move up and down or move horizontally left and right are used for clamping the inner part and the outer part of the left side and the right side of the rolled product during discharging, the auxiliary supporting mechanism is used for supporting the inner wall of the upper side of the rolled product, so that the situation that the rolled product is not controlled to deform when the forming mechanism is pulled out is facilitated to be reduced, in the discharging translational process, the two clamping mechanisms move in the direction far away from each other under the action of the two left and right driving mechanisms respectively, and the auxiliary supporting mechanism moves up and down or translates left and right, so that the auxiliary supporting mechanism keeps contact with the inner wall of the upper side of the rolled product, and the upper inner wall of the rolled product is supported continuously, and the situation that the upper inner wall of the rolled product is downwards projected to deform in the rolling process is prevented.

2. According to the invention, when the two left and right driving mechanisms drive the two clamping mechanisms to be far away from each other, the two left and right follow-up mechanisms drive the two support rods to be close to each other, so that the upper inner wall of a rolled product is always supported by the upward acting force exerted by the support rods in the rolling process, and the movement of the two support rods is also beneficial to reducing the condition that the upper inner wall of the rolled product is wrinkled.

3. According to the invention, when the two left and right driving mechanisms drive the two clamping mechanisms to be far away from each other, the upper and lower driving mechanisms drive the supporting block to move downwards, so that the upper inner wall of the rolled product is always supported by the upward acting force exerted by the supporting block in the rolling process, and the surface of the supporting block, which is contacted with the inner wall of the rolled product, is an arc surface, thereby being beneficial to reducing the condition that the upper inner wall of the rolled product is wrinkled.

Drawings

Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic axial view of an overall structure of an auxiliary supporting and blanking device embodying the present invention;

FIG. 2 is a schematic cross-sectional view of a forming mechanism and rolled product mating structure embodying the present invention;

FIG. 3 is a schematic diagram of a shaft-side structure of the auxiliary supporting and blanking device in a pulling and rolling state;

FIG. 4 is a schematic diagram of a front structure of an auxiliary supporting and blanking device according to a second embodiment of the present invention;

fig. 5 is a schematic diagram of a back structure of an auxiliary supporting and blanking device according to a second embodiment of the present invention.

The figure shows:

left-right follower 32 of lifting mechanism 1

Support block 33 of support plate 11

Up-down driving mechanism 34 of horizontal moving mechanism 12

Horizontal driving mechanism 35 of mounting frame 13

Clamping mechanism 2 forming mechanism 4

Clamping groove 41 of left-right driving mechanism 21

The auxiliary supporting mechanism 3 supports the groove 42

Support bar 31 roll 5

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.

Example 1

As shown in fig. 1, 2 and 3, the invention provides a blanking device for auxiliary support of a long battery cell and a working method thereof, which comprises a lifting mechanism 1, a clamping mechanism 2, an auxiliary support mechanism 3 and a forming mechanism 4.

The lifting mechanism 1 is erected on the ground, and a supporting plate 11 is arranged on the lifting mechanism 1 in the horizontal direction. It should be noted that the lifting mechanism 1 of the present application can be used to drive the support plate 11 to do reciprocating rectilinear motion in the vertical direction, and the linear motor mechanism, the threaded screw pair structure, the rack-and-pinion structure, and the telescopic electric cylinder or air cylinder in the prior art can be applied to the present application as the lifting mechanism 1. The elevating mechanism 1 of the present application preferably adopts a threaded screw pair structure.

The support plate 11 is provided with a horizontal moving mechanism 12 and a mounting frame 13, the horizontal moving mechanism 12 drives the mounting frame 13 to do reciprocating linear motion on the support plate 11, and the motion direction of the support plate 11 is mutually perpendicular to the motion direction of the mounting frame 13. Both the clamping mechanism 2 and the auxiliary support mechanism 3 are mounted on the same side of the mounting frame 13. It should be noted that the horizontal movement mechanism 12 of the present application can be used to drive the mounting frame 13 to do a reciprocating linear motion in a specific direction in a horizontal plane, and a linear motor mechanism, a threaded screw pair structure, a rack-and-pinion structure, and a telescopic electric cylinder or air cylinder in the prior art can be applied to the present application as the horizontal movement mechanism 12. The horizontal movement mechanism 12 of the present application preferably adopts a screw thread pair structure.

It should be further noted that the side surface of the mounting frame 13 on which the clamping mechanism 2 and the auxiliary supporting mechanism 3 are mounted is arranged vertically, and the side surface of the mounting frame 13 is perpendicular to the large surface of the supporting plate 11.

Clamping grooves 41 are provided on the left and right sides of the forming mechanism 4, respectively, and the wound product 5 is wound around the periphery of the forming mechanism 4. The fixture 2 is provided with one respectively in the both sides of forming mechanism 4, and two fixture 2 equal movable mounting is on mounting bracket 13, and two fixture 2 are located same horizontal plane, and two fixture 2 correspond respectively with two centre gripping grooves 41, and the inside and outside both sides of the rolled product 5 of the department of corresponding centre gripping groove 41 of arbitrary fixture 2 centre gripping, and the motion of two fixture 2 is including stretching into in the rolled product 5 or deviate from in the rolled product 5, and the motion of two fixture 2 still includes keeping away from each other or being close to each other.

Specifically, the clamping mechanism 2 of the present application is a clamping jaw type clamp commonly used in the prior art, the clamping mechanism 2 includes two clamping jaw portions, the two clamping jaw portions are both elongated and horizontally extend to one side deviating from the mounting frame 13, and the clamping mechanism 2 can be controlled to be opened or closed by an electric control device.

More specifically, the mounting bracket 13 is provided with left and right driving mechanisms 21, the left and right driving mechanisms 21 are in one-to-one correspondence with the clamping mechanisms 2, and the two left and right driving mechanisms 21 drive the two clamping mechanisms 2 to approach or separate from each other. The left and right driving mechanism 21 in the present application is a linear driving device, and the left and right driving mechanism 21 can drive the clamping mechanism 2 corresponding to the left and right driving mechanism to linearly reciprocate along the direction of approaching or separating from the other clamping mechanism 2, so that the two clamping mechanisms 2 are separated from or approaching each other. Note that the left-right driving mechanism 21 of the present application may be a linear motor mechanism, a screw-threaded screw pair structure, a rack-and-pinion structure, and a telescopic electric cylinder or an air cylinder in the related art. The right and left driving mechanism 21 of the present application preferably employs a linear motor mechanism.

The auxiliary supporting mechanism 3 is located on the upper side of the clamping mechanism 2, the auxiliary supporting mechanism 3 stretches into the rolled product 5, the auxiliary supporting mechanism 3 is in contact with or supports the inner wall on the upper side of the rolled product 5, the movement of the auxiliary supporting mechanism 3 comprises stretching into the rolled product 5 or separating from the rolled product 5, and the movement of the auxiliary supporting mechanism 3 also comprises up-down movement or left-right translation. The auxiliary supporting mechanism 3 is used for supporting the inner wall of the upper side of the rolled product 5.

Specifically, the upper side of the forming mechanism may be provided with supporting grooves 42, the supporting grooves 42 are arranged in a one-to-one correspondence with the auxiliary supporting mechanisms 3, and the auxiliary supporting mechanisms 3 can extend into the rolled product 5 or be separated from the rolled product 5 through the corresponding supporting grooves 42.

It should be further noted that, the auxiliary stay unloader of this application is mainly to the bigger rolled up goods of diameter (long electric core), because the length dimension of long electric core is greater than ordinary electric core, in the manufacturing process of long electric core, rolled up goods 5 have bigger inside surface area, consequently rolled up goods 5 in the process of loosing core and drawing the book, rolled up goods 5's inner wall receives local effect, rolled up goods 5's inner wall produces the probability of deformation and is greater than ordinary electric core far away.

Therefore, during blanking, the two clamping mechanisms 2 are closed to clamp the inner part and the outer part of the left side and the right side of the rolled product 5 respectively, and the auxiliary supporting mechanism 3 supports the inner wall of the upper side of the rolled product 5. In the blanking process: the rolled product 5 is in a clamping and fixing state, so that the rolled product 5 is prevented from being deformed in an uncontrolled manner when the forming mechanism 4 is pulled out, and particularly, the inner wall of the upper side of the rolled product 5 is prevented from being deformed in a downward protruding manner. Further, in the blanking translation process, the two clamping mechanisms 2 move in the directions away from each other under the action of the two left and right driving mechanisms 21, at this time, the auxiliary supporting mechanism 3 moves up and down or translates left and right, so that the auxiliary supporting mechanism 3 keeps in contact with the upper inner wall of the rolled product 5, and accordingly the upper inner wall of the rolled product 5 is continuously supported, downward protruding deformation of the upper inner wall of the rolled product 5 in the rolling process can be prevented until rolling is completed, and the rolled product 5 is formed into a flat shape.

According to the blanking device for the auxiliary support of the long battery cell, which is provided by the invention, the working method comprises the following steps of:

s1, after the rolled product 5 is wound and formed, the two clamping mechanisms 2 and the auxiliary supporting mechanism 3 move in place in the vertical direction.

S2, two clamping mechanisms 2 extend into the rolled product 5 from corresponding clamping grooves 41 respectively, each clamping mechanism 2 clamps the inner side and the outer side of the rolled product 5 respectively, and then the forming mechanism 4 in the rolled product 5 is pulled out;

the auxiliary supporting mechanism 3 and the clamping mechanism 2 extend into the rolled product 5 simultaneously, or the auxiliary supporting mechanism 3 extends into the rolled product 5 synchronously when the forming mechanism 4 is pulled out.

S3, the two clamping mechanisms 2 are far away from each other, and meanwhile, the auxiliary supporting mechanism 3 moves to keep supporting the inner wall of the rolled product 5.

S4, the lifting mechanism 1 drives the rolled product 5, the clamping mechanism 2 and the auxiliary supporting mechanism 3 to move, when the rolled product 5 moves to a designated position, the clamping mechanism 2 is opened, and the clamping mechanism 2 and the auxiliary supporting mechanism 3 are separated from the rolled product 5.

Preferred embodiment one

According to the first embodiment, according to the blanking device for auxiliary support of long battery cells provided by the invention, as shown in fig. 1, 2 and 3, the auxiliary support mechanism 3 comprises two support rods 31 positioned on the same horizontal plane, any one of the support rods 31 extends from the mounting frame 13 to a side far away from the mounting frame 13, the mounting frame 13 is provided with left and right follower mechanisms 32, the left and right follower mechanisms 32 are in one-to-one correspondence with the two support rods 31, and the two left and right follower mechanisms 32 respectively drive the two support rods 31 to horizontally move towards or away from each other.

It should be noted that the horizontal plane where the two support rods 31 are located is parallel to the horizontal plane where the two clamping mechanisms 2 are located, and the two support rods 31 are located on the upper sides of the two clamping mechanisms 2. The left and right follower 32 can drive the corresponding support bar 31 to reciprocate linearly in a direction approaching or moving away from the other support bar 31, thereby achieving mutual moving away or approaching of the two support bars 31. Note that the left and right follower 32 of the present application may be a linear motor mechanism, a screw-threaded screw pair structure, a rack-and-pinion structure, and a telescopic electric cylinder or air cylinder in the related art. The left and right follower mechanism 32 of the present application preferably employs a linear motor mechanism. In addition, during the process of pulling and winding the rolled product, the two left and right follower mechanisms 32 can drive the two support rods 31 to move downwards so as to support the upper part of the rolled product.

The embodiment also comprises a working method for the long cell auxiliary support blanking device, and the working method comprises the following steps:

s1, after the rolled product 5 is wound and formed, the lifting mechanism 1 drives the two clamping mechanisms 2 and the two supporting rods 31 to move in place along the vertical direction.

S2.1, the horizontal moving mechanism 12 drives the two clamping mechanisms 2 to extend into the rolled product 5 from the corresponding clamping grooves 41, and enables each clamping mechanism 2 to clamp the inner side and the outer side of the rolled product 5 respectively, and meanwhile, the horizontal moving mechanism 12 drives the two supporting rods 31 to extend into the rolled product 5 from the corresponding supporting grooves 42, and enables the two supporting rods 31 to be in contact with the inner wall of the rolled product 5 respectively.

S2.2, the forming mechanism 4 in the rolled product 5 is pulled out. Specifically, since the two clamping mechanisms 2 apply pressure to the inner and outer walls on the left and right sides of the rolled product 5 simultaneously, the two support rods 31 apply upward supporting force to the inner wall on the upper side of the rolled product 5 simultaneously, and smooth blanking and no core pulling are ensured when the forming mechanism 4 is pulled out.

S3, the two left and right driving mechanisms 21 respectively drive the two clamping mechanisms 2 to be far away from each other, and meanwhile, the two left and right follow-up mechanisms 32 respectively drive the two support rods 31 to be close to each other.

S4, the lifting mechanism 1 drives the rolled product 5, the two clamping mechanisms 2 and the two supporting rods 31 to move, when the rolled product 5 moves to a designated position, the two clamping mechanisms 2 are opened, and the two clamping mechanisms 2 and the two supporting rods 31 are separated from the rolled product 5. In actual working conditions, the specified position can be a blanking belt.

In the blanking process: the rolled product 5 is in a clamping and fixing state, so that the rolled product 5 is prevented from being deformed in an uncontrolled manner when the forming mechanism 4 is pulled out, and particularly, the inner wall of the upper side of the rolled product 5 is prevented from being deformed in a downward protruding manner. In the blanking translation process, the two clamping mechanisms 2 move towards the directions away from each other under the action of the two left-right driving mechanisms 21 respectively, at this time, the two supporting rods 31 translate left-right and approach each other under the action of the two left-right following mechanisms 32, so that the auxiliary supporting mechanism 3 keeps in contact with the upper inner wall of the rolled product 5, and accordingly the upper inner wall of the rolled product 5 is continuously supported, downward protruding deformation of the upper inner wall of the rolled product 5 in the rolling process can be prevented until rolling is completed, and the rolled product 5 is formed into a flat shape.

Variation 1

Based on a preferred embodiment, the working method for the long cell auxiliary support blanking device provided by the invention comprises the following steps: for step 2, it is also possible to:

s2.1, the horizontal moving mechanism 12 drives the two clamping mechanisms 2 to extend into the rolled product 5 from the corresponding clamping grooves 41, and each clamping mechanism 2 respectively clamps the inner side and the outer side of the rolled product 5.

S2.2, the forming mechanism 4 in the rolled product 5 is pulled out, and in the process of pulling out the forming mechanism 4, the horizontal driving mechanism 35 drives the two supporting rods to synchronously extend into the rolled product 5.

Preferred embodiment II

According to the first embodiment, according to the blanking device for auxiliary support of a long battery cell provided by the invention, as shown in fig. 4 and 5, the auxiliary support mechanism 3 comprises a support block 33, the support block 33 extends from the mounting frame 13 to a side far away from the mounting frame 13, and the mounting frame 13 is provided with an up-down driving mechanism 34, and the up-down driving mechanism 34 drives the support block 33 to move up and down. The side of the support block 33 contacting the inner wall of the rolled product 5 is an arc surface. The up-and-down driving mechanism 34 is a linear driving mechanism, and the up-and-down driving mechanism 34 drives the support block 33 to reciprocate in the vertical direction. The linear motor mechanism, the threaded screw pair structure, the gear rack structure and the telescopic electric cylinder or the air cylinder in the prior art can be applied to the present application as the up-down driving mechanism 34. The up-down drive mechanism 34 of the present application preferably adopts a screw-threaded screw pair structure.

The mounting frame 13 is also provided with a horizontal driving mechanism 35, and the horizontal driving mechanism 35 drives the supporting block 33 to extend into the rolled product 5 or to be separated from the rolled product 5. The horizontal driving mechanism 35 can drive the support block 33 to horizontally reciprocate linearly. Linear motor mechanism, screw thread lead screw pair structure, rack and pinion structure and flexible electric jar or cylinder among the prior art all can apply to this application and make horizontal drive mechanism 35. The horizontal driving mechanism 35 of the present application preferably adopts a screw thread screw pair structure.

s1, after the rolled product 5 is wound and formed, the lifting mechanism 1 drives the two clamping mechanisms 2 and the supporting block 33 to move in place along the vertical direction.

S2.2, the forming mechanism 4 in the rolled product 5 is pulled out, and the horizontal driving mechanism 35 drives the supporting block 33 to synchronously extend into the rolled product 5 in the process of pulling out the forming mechanism 4. Specifically, since the two clamping mechanisms 2 apply pressure to the inner wall and the outer wall on the left side and the right side of the rolled product 5 simultaneously, and the supporting block 33 applies upward supporting force to the inner wall on the upper side of the rolled product 5 simultaneously, smooth blanking and no core pulling are ensured when the forming mechanism 4 is pulled out.

S3, the two left and right driving mechanisms 21 respectively drive the two clamping mechanisms 2 to be far away from each other, and meanwhile, the up and down driving mechanism 34 drives the supporting block 33 to move downwards. During the downward movement of the support block 33, the support block 33 remains in contact with the inner wall of the rolled product 5.

S4, the lifting mechanism 1 drives the rolled product 5, the two clamping mechanisms 2 and the supporting block 33 to move, when the rolled product 5 moves to a designated position, the two clamping mechanisms 2 are opened, and the two clamping mechanisms 2 and the supporting block 33 are separated from the rolled product 5. In actual working conditions, the specified position can be a blanking belt.

In the blanking process: the rolled product 5 is in a clamping and fixing state, so that the rolled product 5 is prevented from being deformed in an uncontrolled manner when the forming mechanism 4 is pulled out, and particularly, the inner wall of the upper side of the rolled product 5 is prevented from being deformed in a downward protruding manner. In the blanking translation process, the two clamping mechanisms 2 move towards the directions away from each other under the action of the two left and right driving mechanisms 21 respectively, at this time, the supporting block 33 moves downwards under the action of the upper and lower driving mechanisms 34, so that the auxiliary supporting mechanism 3 keeps in contact with the upper inner wall of the rolled product 5, and accordingly the upper inner wall of the rolled product 5 is continuously supported, downward protruding deformation of the upper inner wall of the rolled product 5 in the rolling process can be prevented until rolling is completed, and the rolled product 5 is formed into a flat shape.

Variation II

Based on a second preferred embodiment, the working method for the long-cell auxiliary support blanking device provided by the invention comprises the following steps: for step 2, it is also possible to:

s2.1, the horizontal moving mechanism 12 drives the two clamping mechanisms 2 to extend into the rolled product 5 from the corresponding clamping grooves 41, and enables each clamping mechanism 2 to clamp the inner side and the outer side of the rolled product 5 respectively, and meanwhile, the horizontal moving mechanism 12 drives the supporting block 33 to extend into the rolled product 5 from the corresponding supporting grooves 42, and enables the supporting block 33 to be in contact with the inner wall of the rolled product 5.

S2.2, the forming mechanism 4 in the rolled product 5 is pulled out. Specifically, since the two clamping mechanisms 2 apply pressure to the inner and outer walls on the left and right sides of the rolled product 5 at the same time, the supporting block 33 applies upward supporting force to the inner wall on the upper side of the rolled product 5, and smooth blanking and no core pulling are ensured when the forming mechanism 4 is pulled out.

In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and are not to be construed as limiting the present application.

The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the invention. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.

Claims

1. The auxiliary support blanking device for the long battery cell is characterized by comprising a clamping mechanism (2), an auxiliary support mechanism (3) and a forming mechanism (4);

clamping grooves (41) are respectively formed in the left side and the right side of the forming mechanism (4), and a rolled product (5) is wound on the periphery of the forming mechanism (4);

the two sides of the forming mechanism (4) are respectively provided with one clamping mechanism (2), the two clamping mechanisms (2) respectively correspond to the two clamping grooves (41), any clamping mechanism (2) clamps the inner side and the outer side of the rolled product (5) at the corresponding clamping groove (41), the two clamping mechanisms (2) move and extend into the rolled product (5) or separate from the rolled product (5), and the two clamping mechanisms (2) move far away from or close to each other;

the auxiliary supporting mechanism (3) stretches into the rolled product (5), the auxiliary supporting mechanism (3) is in contact with or supports the inner wall of the upper side of the rolled product (5), the movement of the auxiliary supporting mechanism (3) comprises stretching into the rolled product (5) or separating from the rolled product (5), and the movement of the auxiliary supporting mechanism (3) further comprises up-down movement or left-right translation.

2. The blanking device for the auxiliary support of the long battery cell according to claim 1, further comprising a lifting mechanism (1), wherein the lifting mechanism (1) is vertically arranged, and a supporting plate (11) is horizontally arranged on the lifting mechanism (1);

install horizontal migration mechanism (12) and mounting bracket (13) on backup pad (11), horizontal migration mechanism (12) drive mounting bracket (13) are reciprocating rectilinear motion in backup pad (11), fixture (2) and auxiliary stay mechanism (3) are all installed on mounting bracket (13).

3. The blanking device for the auxiliary support of the long battery cell according to claim 2, wherein a left driving mechanism and a right driving mechanism (21) are arranged on the mounting frame (13), the left driving mechanism and the right driving mechanism (21) are in one-to-one correspondence with the clamping mechanisms (2), and the two left driving mechanisms and the right driving mechanisms (21) drive the two clamping mechanisms (2) to be close to or far away from each other.

4. The blanking device for auxiliary support of long battery cells according to claim 1, characterized in that the upper side of the forming mechanism (4) is provided with a support groove (42), and the auxiliary support mechanism (3) extends into the support groove (42) or is separated from the support groove (42).

5. The blanking device for auxiliary support of long battery cells according to claim 2, wherein the auxiliary support mechanism (3) comprises two support rods (31) which are positioned on the same horizontal plane, the mounting frame (13) is provided with left and right follow-up mechanisms (32), the left and right follow-up mechanisms (32) are in one-to-one correspondence with the two support rods (31), and the two left and right follow-up mechanisms (32) respectively drive the two support rods (31) to horizontally move close to or away from each other.

6. The blanking device for auxiliary support of long battery cells according to claim 2, wherein the auxiliary support mechanism (3) comprises a support block (33), an up-down driving mechanism (34) is arranged on the mounting frame (13), and the up-down driving mechanism (34) drives the support block (33) to move up and down.

7. The blanking device for auxiliary support of long battery cells according to claim 6, wherein the mounting frame (13) is further provided with a horizontal driving mechanism (35), and the horizontal driving mechanism (35) drives the supporting block (33) to extend into the rolled product (5) or to be separated from the rolled product (5).

8. A working method for a long cell auxiliary support blanking device, characterized in that the working method for the long cell auxiliary support blanking device according to any one of claims 1-7 is adopted, and comprises the following steps:

s1, after a rolled product (5) is wound and formed, the two clamping mechanisms (2) and the auxiliary supporting mechanism (3) move in place along the vertical direction;

s2, the two clamping mechanisms (2) extend into the rolled product (5) from the corresponding clamping grooves (41) respectively, each clamping mechanism (2) clamps the inner side and the outer side of the rolled product (5) respectively, and then the forming mechanism (4) in the rolled product (5) is pulled out;

the auxiliary supporting mechanism (3) and the clamping mechanism (2) simultaneously extend into the rolled product (5), or when the forming mechanism (4) is pulled out, the auxiliary supporting mechanism (3) synchronously extends into the rolled product (5);

s3, the two clamping mechanisms (2) are far away from each other, and meanwhile, the auxiliary supporting mechanism (3) moves to keep supporting the inner wall of the rolled product (5);

s4, the lifting mechanism (1) drives the rolled product (5), the clamping mechanism (2) and the auxiliary supporting mechanism (3) to move, when the rolled product (5) moves to a designated position, the clamping mechanism (2) is opened, and the clamping mechanism (2) and the auxiliary supporting mechanism (3) are separated from the rolled product (5).

9. The method of claim 8, wherein the method of operation comprises the steps of:

s1, after a rolled product (5) is wound and formed, the lifting mechanism (1) drives the two clamping mechanisms (2) and the two supporting rods (31) to move in place along the vertical direction;

s2.1, the horizontal moving mechanism (12) drives the two clamping mechanisms (2) to extend into the rolled product (5) from the corresponding clamping grooves (41), each clamping mechanism (2) respectively clamps the inner side and the outer side of the rolled product (5), and simultaneously, the horizontal moving mechanism (12) drives the two supporting rods (31) to extend into the rolled product (5) from the corresponding supporting grooves (42), and the two supporting rods (31) respectively contact with the inner wall of the rolled product (5);

s2.2, drawing out the forming mechanism (4) in the rolled product (5);

s3, two left and right driving mechanisms (21) respectively drive the two clamping mechanisms (2) to be far away from each other, and meanwhile, two left and right follow-up mechanisms (32) respectively drive the two support rods (31) to be close to each other;

s4, the lifting mechanism (1) drives the rolled product (5), the two clamping mechanisms (2) and the two supporting rods (31) to move, when the rolled product (5) moves to a designated position, the two clamping mechanisms (2) are opened, and the two clamping mechanisms (2) and the two supporting rods (31) are separated from the rolled product (5).

10. The method of claim 8, wherein the method of operation comprises the steps of:

s1, after a rolled product (5) is wound and formed, the lifting mechanism (1) drives the two clamping mechanisms (2) and the supporting block (33) to move in place along the vertical direction;

s2.1, the horizontal moving mechanism (12) drives the two clamping mechanisms (2) to extend into the rolled product (5) from the corresponding clamping grooves (41), and each clamping mechanism (2) respectively clamps the inner side and the outer side of the rolled product (5);

s2.2, drawing out a forming mechanism (4) in the rolled product (5), wherein in the drawing-out process of the forming mechanism (4), a horizontal driving mechanism (35) drives a supporting block (33) to synchronously extend into the rolled product (5);

s3, two left and right driving mechanisms (21) respectively drive the two clamping mechanisms (2) to be far away from each other, and meanwhile, an up and down driving mechanism (34) drives the supporting block (33) to move downwards;

s4, the lifting mechanism (1) drives the rolled product (5), the two clamping mechanisms (2) and the supporting block (33) to move, when the rolled product (5) moves to a designated position, the two clamping mechanisms (2) are opened, and the two clamping mechanisms (2) and the supporting block (33) are separated from the rolled product (5).