Rolling device for battery pole piece transition area

Abstract

The utility model provides a pinch roller device for rolling a transition area of a battery pole piece, which belongs to the technical field of pole piece forming and comprises a fixed frame, a movable frame and two pinch rollers. The movable frame is movably arranged on the fixed frame along the pole piece transmission direction; the two pressing wheels are installed on the upper portion and the lower portion of the movable frame through lifting mechanisms respectively. According to the rolling device for the transition area of the battery pole piece, the two pressing wheels synchronously move in the transmission direction of the pole piece, and the transition area of the pole piece is transversely rolled. And by continuously circulating the movement period, the rolling operation of the transition area of the continuously conveyed pole piece is completed, and the problem of a large piece rolling blank area is avoided. The pole piece transition area technology can be directly improved, the technological parameters of the pole piece are further improved, the transition area is rolled in a targeted mode, the thickness of the transition area is controllable, and the proportion of a rolling blank area left by a main roller after the transition area is rolled is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of pole piece forming, and more specifically relates to a rolling device used in a transition area of ​​a battery pole piece. Background Art

[0002] In the current roller press industry, the requirements for the single-sided and double-sided transition areas of intermittent coating process battery pole pieces are getting higher and higher. Most of the current solutions are to increase the response speed of the hydraulic cylinder and thus increase the response time to adapt to the thickness changes of the battery pole pieces during the rolling process. However, there is no targeted rolling device for the transition area, which will cause the transition area of ​​the pole piece to not be rolled, and there will be a large blank area of ​​rolling in the transition area of ​​the pole piece. Utility Model Content

[0003] The utility model aims to provide a method for solving the problem that a transition area of ​​a pole piece has not been rolled, and a large rolling blank area exists in the transition area of ​​the pole piece.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a rolling device for the transition area of ​​the battery pole piece, comprising:

[0005] Fixed frame;

[0006] A movable frame, the movable frame is arranged on the fixed frame for movement along the pole piece transmission direction;

[0007] Two pressing wheels, the two pressing wheels are respectively installed on the upper part and the lower part of the moving frame through a lifting mechanism, and the lifting mechanism is moved and arranged on the moving frame in a direction perpendicular to the transmission direction of the pole piece;

[0008] The two pressing wheels relatively squeeze the pole piece with the help of the corresponding lifting mechanism, and synchronously move relative to the pole piece with the help of the moving frame, and move perpendicularly to the direction of pole piece transmission with the help of the lifting mechanism.

[0009] In a possible implementation, there are two fixed frames, the two fixed frames are symmetrically arranged longitudinally, and the left and right ends of the movable frame are slidably arranged on the two fixed frames.

[0010] In a possible implementation, first sliders are provided at the bottom of the left and right ends of the movable frame, a first slide rail is provided at the lower part of the fixed frame along the pole piece transmission direction, and the first slider is slidably provided on the first slide rail.

[0011] In a possible implementation, a traveling motor is disposed at the top of the left and right ends of the movable frame, the upper part of the traveling motor has a driving end on which a first gear is installed, and the upper part of the fixed frame is provided with a first rack along the pole piece transmission direction, and the first gear is meshed with the first rack.

[0012] In a possible implementation, second slide rails are provided on the upper and lower parts of the movable frame, and the second slide rails are arranged in a direction perpendicular to the pole piece transmission direction. Second sliders are provided on the side of the two lifting mechanisms away from the pressure wheel, and the two second sliders are slidably arranged on the two second slide rails in a one-to-one manner.

[0013] In a possible implementation, second racks are provided on the upper and lower parts of the movable frame, and the second racks are arranged in a direction perpendicular to the pole piece transmission. Mounting frames are respectively provided on the two pressure wheels, and a transverse motor is provided on the mounting frames. The transverse motor has a driving end on which a second gear is installed, and the two second gears are meshed with the two second racks in a one-to-one manner.

[0014] In a possible implementation, the two lifting mechanisms are any one or any combination of hydraulic cylinders, pneumatic cylinders or electric push rods.

[0015] In a possible implementation, the rotation direction of the pressure wheel is perpendicular to the transmission direction of the pole piece.

[0016] The beneficial effect of a rolling device for a transition area of ​​a battery pole piece provided by the utility model is that: compared with the prior art, the mobile frame moves synchronously on the fixed frame along the pole piece transmission direction, and the two lifting mechanisms move synchronously on the mobile frame along the direction perpendicular to the pole piece transmission. The two lifting mechanisms drive the two pressure wheels to move toward the upper end face of the pole piece and the lower end face of the pole piece respectively, thereby pressing on the upper and lower sides of the pole piece. At this time, the two pressure wheels move synchronously along the pole piece transmission direction while rolling the transition area of ​​the pole piece laterally. After the rolling is completed, the lifting mechanism drives the two pressure wheels to reset, and the above actions are regarded as a movement cycle. The rolling device for a transition area of ​​a battery pole piece provided by the utility model completes the rolling operation of the transition area of ​​the continuously transmitted pole piece by continuously circulating the above movement cycle, thereby avoiding the problem of large blank areas for rolling. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A diagram showing the use status of a rolling device for a transition area of ​​a battery pole piece provided by the utility model;

[0019] Figure 2 This is a structural schematic diagram of the pressure wheel and pole piece positions provided by the utility model.

[0020] Description of reference numerals:

[0021] 1. Fixed frame; 2. Mobile frame; 3. Pressure wheel; 4. Lifting mechanism; 5. First slider; 6. First slide rail; 7. Travel motor; 8. First gear; 9. First rack; 10. Second slide rail; 11. Second slider; 12. Second rack; 13. Mounting frame; 14. Horizontal motor; 15. Second gear. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0023] In the claims, specification and the above-mentioned drawings of the utility model, unless otherwise clearly defined, the use of terms such as "first", "second" or "third" etc. is to distinguish different objects rather than to describe a specific order.

[0024] In the claims, specification and the above-mentioned drawings of the utility model, unless otherwise explicitly defined, directional words, such as the terms "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inside", "outside", "up", "down", "front", "back", "left", "right", "clockwise", "counterclockwise", "high", "low", etc., indicating directions or positional relationships are based on the directions and positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the specific protection scope of the utility model.

[0025] See also Figure 1 and Figure 2 Now, a rolling device for a transition area of ​​a battery pole piece provided by the utility model is described. A rolling device for a transition area of ​​a battery pole piece comprises a fixed frame 1, a movable frame 2 and two pressing wheels 3.

[0026] The movable frame 2 is arranged on the fixed frame 1 and moves along the direction of pole piece transmission; the two pressing wheels 3 are respectively installed on the upper and lower parts of the movable frame 2 through the lifting mechanism 4, and the lifting mechanism 4 is arranged on the movable frame 2 and moves along the direction perpendicular to the pole piece transmission; the two pressing wheels 3 relatively squeeze the pole piece with the help of the corresponding lifting mechanism 4, and synchronously move relative to the pole piece with the help of the movable frame 2, and move perpendicular to the direction of pole piece transmission with the help of the lifting mechanism 4.

[0027] The utility model provides a rolling device for the transition area of ​​a battery pole piece. Compared with the prior art, a mobile frame 2 moves synchronously on a fixed frame 1 along the pole piece transmission direction, and two lifting mechanisms 4 move synchronously on the mobile frame 2 along the direction perpendicular to the pole piece transmission belt. The two lifting mechanisms 4 respectively drive the two pressure wheels 3 to move toward the upper end surface and the lower end surface of the pole piece, thereby pressing on the upper and lower sides of the pole piece. At this time, the two pressure wheels 3 move synchronously along the pole piece transmission direction while rolling the transition area of ​​the pole piece horizontally. After the rolling is completed, the lifting mechanism 4 drives the two pressure wheels 3 to reset, and the above actions are regarded as a movement cycle. The utility model provides a rolling device for the transition area of ​​a battery pole piece. By continuously circulating the above movement cycle, the rolling operation of the transition area of ​​the continuously transmitted pole piece is completed, thereby avoiding the problem of large blank areas for rolling.

[0028] Worth noting:

[0029] The speed of the mobile frame 2 moving along the pole piece transmission direction = the pole piece transmission speed = the rolling speed of the main roller; the moving direction of the lifting mechanism 4 perpendicular to the pole piece transmission direction ≥ the width of the rolling area / the time the rolling area passes through the frame; the operation cycle = the time the rolling area passes through the frame + the time the pressure wheel 3 returns to the initial position.

[0030] There are two fixed frames 1, which are symmetrically arranged longitudinally, and the left and right ends of the mobile frame 2 are slidably arranged on the two fixed frames 1. The pole piece is transmitted through the inside of the mobile frame 2. Both the fixed frame 1 and the mobile frame 2 are rectangular frames, and the left and right ends of the mobile frame 2 are respectively inserted into the inside of the two fixed frames 1.

[0031] Specifically, first sliders 5 are provided at the bottom of the left and right ends of the mobile frame 2, and first slide rails 6 are provided at the lower part of the fixed frame 1 along the pole piece transmission direction, and the first sliders 5 are slidably provided on the first slide rails 6. Thus, the mobile frame 2 slides on the two first slide rails 6 of the two fixed frames 1 with the help of the two first sliders 5 at the bottom of the left and right ends thereof, so as to ensure that the mobile frame 2 can move smoothly along the pole piece transmission direction.

[0032] Traveling motors 7 are arranged at the top of the left and right ends of the movable frame 2, and the upper end of the traveling motor 7 is its driving end. The driving end of the traveling motor 7 is installed with a first gear 8. The upper part of the fixed frame 1 is provided with a first rack 9 along the pole piece transmission direction. The driving end of the traveling motor 7 rotates, and the meshing relationship between the first gear 8 and the first rack 9 is realized to realize the sliding of the entire movable frame 2 along the first slide rail 6 through the first slider 5.

[0033] In addition, second slide rails 10 are provided on the upper and lower parts of the movable frame 2. The two second slide rails 10 are both located on the inner side of the movable frame 2. The second slide rails 10 are arranged along a direction perpendicular to the transmission of the pole piece. The two lifting mechanisms 4 are provided with second sliders 11 on the side away from the pressing wheel 3. The two second sliders 11 are slidingly arranged on the two second slide rails 10 in a one-to-one manner, so that the two lifting mechanisms 4 drive the corresponding pressing wheels 3 to move along a direction perpendicular to the transmission of the pole piece to complete the overall rolling in the width direction of the rolling area.

[0034] The upper and lower parts of the mobile frame 2 are both provided with second racks 12, and the two second racks 12 are both installed on the outer side of the mobile frame 2. The second racks 12 are arranged in a direction perpendicular to the transmission direction of the pole piece. The two pressure wheels 3 are respectively provided with mounting frames 13, and the two mounting frames 13 extend upward and downward to the top and bottom of the mobile frame 2 respectively. The mounting frames 13 are provided with transverse motors 14, and the two transverse motors 14 are respectively located above and below the mobile frame 2. The lower end of the transverse motor 14 is its driving end, and the driving end of the transverse motor 14 is installed with a second gear 15, and the two second gears 15 mesh with the two second racks 12 one by one. The driving end of the transverse motor 14 rotates, and through the meshing relationship between the second gear 15 and the second rack 12, the two pressure wheels 3 can slide along the second slide rail 10 through the corresponding second sliders 11.

[0035] In addition, the meshing relationship between the above-mentioned gears and racks can also be replaced with a transmission method of belts and pulleys, depending on the needs in actual production, and will not be elaborated here.

[0036] Preferably, the two lifting mechanisms 4 are any one or any combination of hydraulic cylinders, pneumatic cylinders or electric push rods.

[0037] The rotation direction of the pressing wheel 3 is perpendicular to the transmission direction of the pole piece, which can realize the rolling of the transition area of ​​the pole piece and reduce the proportion of the rolling blank area left by the main roller after rolling the transition area.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rolling device for the transition area of ​​a battery pole piece, characterized in that: include: Fixed frame (1); A movable frame (2), the movable frame (2) being movable along the pole piece transmission direction and arranged on the fixed frame (1); Two pressing wheels (3), the two pressing wheels (3) being respectively mounted on the upper part and the lower part of the movable frame (2) through a lifting mechanism (4), the lifting mechanism (4) being arranged on the movable frame (2) in a manner that is movable in a direction perpendicular to the transmission direction of the pole piece; The two pressing wheels (3) press the pole piece relative to each other with the help of the corresponding lifting mechanism (4), move synchronously relative to the pole piece with the help of the movable frame (2), and move perpendicularly to the direction of pole piece transmission with the help of the lifting mechanism (4).

2. A rolling device for a transition area of ​​a battery pole piece according to claim 1, characterized in that: The number of the fixed frames (1) is two, the two fixed frames (1) are symmetrically arranged longitudinally, and the left and right ends of the movable frame (2) are slidably arranged on the two fixed frames (1).

3. A rolling device for a transition area of ​​a battery pole piece according to claim 2, characterized in that: First sliders (5) are arranged at the bottom of the left and right ends of the movable frame (2), and first slide rails (6) are arranged at the lower part of the fixed frame (1) along the pole piece transmission direction, and the first slider (5) is slidably arranged on the first slide rail (6).

4. A rolling device for a transition area of ​​a battery pole piece as claimed in claim 3, characterized in that: Traveling motors (7) are arranged at the top of the left and right ends of the movable frame (2), and the upper part of the traveling motor (7) has a driving end on which a first gear (8) is installed. The upper part of the fixed frame (1) is provided with a first rack (9) along the pole piece transmission direction, and the first gear (8) is meshed with the first rack (9).

5. A rolling device for a transition area of ​​a battery pole piece according to claim 1, characterized in that: The upper and lower parts of the movable frame (2) are both provided with second slide rails (10), the second slide rails (10) are arranged in a direction perpendicular to the transmission direction of the pole piece, and the two lifting mechanisms (4) are both provided with second sliders (11) on the side away from the pressure wheel (3), and the two second sliders (11) are slidably arranged on the two second slide rails (10) in a one-to-one correspondence.

6. A rolling device for a transition area of ​​a battery pole piece as claimed in claim 5, characterized in that: The upper and lower parts of the movable frame (2) are both provided with second racks (12), and the second racks (12) are arranged in a direction perpendicular to the transmission direction of the pole piece. The two pressure wheels (3) are respectively provided with mounting frames (13), and the mounting frames (13) are provided with transverse motors (14). The transverse motor (14) has a driving end on which a second gear (15) is installed, and the two second gears (15) are meshed with the two second racks (12) in a one-to-one correspondence.

7. A rolling device for a transition area of ​​a battery pole piece according to claim 1, characterized in that: The two lifting mechanisms (4) are any one or any combination of hydraulic cylinders, air cylinders or electric push rods.

8. A rolling device for a transition area of ​​a battery pole piece according to any one of claims 1 to 7, characterized in that: The rotation direction of the pressure wheel (3) is perpendicular to the transmission direction of the pole piece.

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