Radian compensation mechanism and roller press

Abstract

The utility model discloses a radian compensation mechanism and a roller press, and relates to the technical field of battery manufacturing, and the radian compensation mechanism comprises an upper radian plate, a lower radian plate and a locking piece; the upper radian plate is arranged on the lower radian plate, and the lower end surface forms an upper arc-shaped surface; a lower arc-shaped surface in contact fit with the upper arc-shaped surface is formed on the upper end surface of the lower arc-shaped plate; an upper locking part is arranged on the side surface of the upper radian plate; a lower locking part matched with the upper locking part is arranged on the side face, on the same side as the upper locking part, of the lower arc plate. The locking piece is detachably connected with the upper locking part and the lower locking part; the locking piece is used for being connected with the upper locking part and the lower locking part on the same side so that the upper arc plate and the lower arc plate can be relatively fixed at least in the horizontal direction. According to the design, the radian compensation mechanism can be flexibly switched between a radian compensation mode and a plane reference mode, and the production flexibility and adaptability are effectively improved.

Description

Technical Field

[0001] This application relates to the field of battery manufacturing technology, and in particular to arc compensation mechanisms and roller presses. Background Technology

[0002] With the continuous development of technology, applications such as electric vehicles and portable electronic devices are placing increasingly higher demands on the performance of lithium batteries. In terms of energy density, the market requires lithium batteries to store more energy in a smaller volume or weight. For example, the driving range of an electric vehicle is closely related to the battery's energy density; to increase the driving range, the battery's energy density must be improved. The battery electrode rolling process can effectively increase the density of the electrodes, thereby improving the battery's energy density, making the application of rolling equipment crucial in lithium battery manufacturing.

[0003] During the rolling process of electrodes, the curvature of the electrodes may change due to factors such as the geometry of the rollers, the properties of the electrode materials, and process parameters. For example, when the rollers experience minor wear after long-term use, or when the electrode material deforms unevenly during rolling, the electrodes are prone to developing a central arch or edge warping. This curvature severely affects the quality of the electrodes, preventing them from adhering tightly in subsequent winding or stacking processes, thus impacting battery performance and consistency. To address this issue, a curvature compensation mechanism needs to be installed between the frame and the bearing housing to eliminate the inconsistent width of the rolling gap caused by the deformation of the rollers during rolling.

[0004] Existing radii compensation mechanisms can only achieve a single compensation mode. When a planar reference mode is required, the mechanism must be replaced, which is a cumbersome and inefficient process that affects production flexibility and adaptability. Utility Model Content

[0005] In view of this, the purpose of this application is to provide an arc compensation mechanism and a roller press to solve the technical problem that the existing single compensation mode arc compensation mechanism affects the production flexibility and adaptability.

[0006] To achieve the above technical objectives, this application provides an arc compensation mechanism, including an upper arc plate, a lower arc plate, and a locking element;

[0007] The upper arc plate is disposed on the lower arc plate, and the lower end face forms an upper arc surface;

[0008] The upper end surface of the lower arc plate forms a lower arc surface that contacts and engages with the upper arc surface;

[0009] The upper arc plate is provided with a locking part on its side;

[0010] The lower arc plate has a lower locking part that cooperates with the upper locking part on the same side as the upper locking part;

[0011] The locking component is detachably connected to the upper locking part and the lower locking part;

[0012] The locking member is used to connect with the upper locking part and the lower locking part on the same side, so that the upper arc plate and the lower arc plate are fixed relative to each other at least in the horizontal direction.

[0013] Furthermore, there are at least two locking components;

[0014] The upper arc plate is provided with the upper locking part on at least two opposite sides;

[0015] The lower arc plate has the lower locking part on at least two sides on the same side as the upper locking part.

[0016] Furthermore, both the upper locking part and the lower locking part have a groove structure;

[0017] At least one end of the upper locking part penetrates the lower end face of the lower arc plate;

[0018] At least one end of the upper locking part penetrates the upper end face of the lower arc plate to communicate with the upper locking part;

[0019] The lock is provided with a protrusion that engages with the upper locking part and the lower locking part.

[0020] Furthermore, the locking element is detachably connected to the upper arc plate and / or the lower arc plate.

[0021] Furthermore, the lock component is provided with a through hole that penetrates itself;

[0022] The upper arc plate and / or the lower arc plate are provided with threaded holes corresponding to the through hole;

[0023] A fastener that is threadedly connected to the threaded hole is provided on the through hole;

[0024] The fastener is used to press the locking member against the lower arc plate and / or the upper arc plate.

[0025] Furthermore, both the upper arc-shaped surface and the lower arc-shaped surface are cylindrical arc-shaped surfaces.

[0026] Furthermore, an oil storage tank is provided on the lower arc-shaped surface.

[0027] Furthermore, the upper arc plate and the lower arc plate are made of 45# steel with a hardness of 38HRC~42HRC.

[0028] Furthermore, both the upper arc-shaped surface and the lower arc-shaped surface are polished surfaces.

[0029] This application also discloses a roller press, including a roller press body and the aforementioned curvature compensation mechanism;

[0030] The roller press body includes a frame and an upper roller and a lower roller mounted on the frame;

[0031] There are two arc compensation mechanisms, which are respectively installed between the bearing seats and the frame at both ends of the upper roller.

[0032] As can be seen from the above technical solutions, the arc compensation mechanism designed in this application locks the upper and lower arc plates at least horizontally by setting upper and lower locking parts on the same side of the upper and lower arc plates, respectively, and then setting a locking mechanism. When the rollers on the roller press need to be re-grinded, the locking parts can be connected to the upper and lower locking parts on the same side, converting the arc compensation mechanism into a planar reference mode to ensure the height consistency of the arc compensation mechanisms on both sides of the roller press. After re-grinding, the locking parts are removed, allowing the arc compensation mechanism to return to the arc compensation mode. This design allows the arc compensation mechanism to flexibly switch between the arc compensation mode and the planar reference mode, effectively improving production flexibility and adaptability. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0034] Figure 1 A perspective view of the curvature compensation mechanism provided in this application;

[0035] Figure 2 This is a half-sectional schematic diagram of the curvature compensation mechanism provided in this application;

[0036] Figure 3 This is a partial structural schematic diagram of the arc compensation mechanism provided in this application;

[0037] Figure 4 This is a half-sectional schematic diagram of the roller press provided in this application;

[0038] In the diagram: 100, Roller press body; 101, Frame; 1011, Archway frame; 102, Bearing seat; 103, Upper roller; 104, Lower roller; 200, Curvature compensation mechanism; 1, Upper curvature plate; 11, Upper curved surface; 12, Upper locking part; 13, Upper flange; 14, Upper fixing hole; 2, Lower curvature plate; 21, Lower curved surface; 22, Lower locking part; 23, Lower flange; 24, Lower fixing hole; 25, Oil reservoir; 3, Locking element; 31, Protrusion; 32, Through hole. Detailed Implementation

[0039] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the embodiments of this application.

[0040] In the description of the embodiments of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0041] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a replaceable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.

[0042] This application discloses an arc compensation mechanism and a roller press.

[0043] Please see Figure 1 as well as Figure 3 One embodiment of the arc compensation mechanism provided in this application includes:

[0044] Upper curved plate 1, lower curved plate 2, and locking component 3.

[0045] The upper arc plate 1 is disposed on the lower arc plate 2, and the lower end surface forms an upper arc surface 11; the upper end surface of the lower arc plate 2 forms a lower arc surface 21 that contacts and engages with the upper arc surface 11.

[0046] The upper arc plate 1 has an upper locking part 12 on its side, and the lower arc plate 2 has a lower locking part 22 on the same side as the upper locking part 12, which cooperates with the upper locking part 12.

[0047] The locking member 3 is detachably connected to the upper locking part 12 and the lower locking part 22; the locking member 3 is used to connect with the upper locking part 12 and the lower locking part 22 on the same side so that the upper arc plate 1 and the lower arc plate 2 are fixed relative to each other at least in the horizontal direction.

[0048] The arc compensation mechanism designed in this application involves setting an upper locking part 12 and a lower locking part 22 on the same side of the upper arc plate 1 and the lower arc plate 2, respectively, and then setting a locking mechanism. The upper locking part 12 and the lower locking part 22 on the same side are connected to lock the upper arc plate 1 and the lower arc plate 2 at least horizontally. When the rollers on the roller press need to be re-grinded, the locking part 3 can be connected to the upper locking part 12 and the lower locking part 22 on the same side, converting the arc compensation mechanism into a planar reference mode to ensure the height consistency of the arc compensation mechanisms on both sides of the roller press. After re-grinding, the locking part 3 is removed, allowing the arc compensation mechanism to return to the arc compensation mode. This design allows the arc compensation mechanism to flexibly switch between the arc compensation mode and the planar reference mode, effectively improving production flexibility and adaptability.

[0049] The above is Embodiment 1 of the arc compensation mechanism provided in this application. The following is Embodiment 2 of the arc compensation mechanism provided in this application. Please refer to the following for details. Figures 1 to 3 .

[0050] Based on the solution of Embodiment 1 above:

[0051] Furthermore, in order to further improve the locking effect on the upper arc plate 1 and the lower arc plate 2, the locking element 3 is designed to have at least two parts.

[0052] The upper arc plate 1 has upper locking parts 12 on at least two opposite sides, and correspondingly, the lower arc plate 2 has lower locking parts 22 on at least two sides on the same side as the upper locking parts 12.

[0053] like Figure 1As shown, there are two locking components 3, which are respectively located on both sides of the center line of the upper arc surface 11 and the lower arc surface 21. That is, the upper arc plate 1 has upper locking parts 12 on both sides in the direction perpendicular to the center line of the upper arc surface 11 (taking the center line direction as the length direction of the upper arc plate 1 as an example, then the direction perpendicular to the center line and the width direction); while the lower arc plate 2 has lower locking parts 22 on both sides in the direction perpendicular to the center line of the lower arc surface 21. In addition, to facilitate the fixing of the upper arc plate 1 and the lower arc plate 2, the upper arc plate 1 is provided with an upper flange 13, and the upper flange 13 is provided with an upper fixing hole 14 to facilitate the fixing of the upper arc plate 1. Specifically, the upper arc plate 1 is provided with upper flanges 13 on both sides along the center line direction of the upper arc surface 11; similarly, the lower arc plate is provided with a lower flange 23, and the lower flange 23 is provided with a lower fixing hole 24 to facilitate the fixing of the lower arc plate 2. Specifically, the lower arc plate 2 is provided with lower flanges 23 on both sides along the center line direction of the lower arc surface 21.

[0054] If there are more than two lock components, they can be set with two on one side and three on the other side, or at least one on each side. Those skilled in the art can make design variations as needed without limitation.

[0055] Furthermore, such as Figure 1 as well as Figure 3 As shown, both the upper locking part 12 and the lower locking part 22 have a groove structure; at least one end of the upper locking part 12 penetrates the lower end face of the lower arc plate 2; at least one end of the upper locking part 12 penetrates the upper end face of the lower arc plate 2 to communicate with the upper locking part 12; the lock 3 is provided with a protrusion 31 that engages with the upper locking part 12 and the lower locking part 22.

[0056] The design employs a combination of grooves and protrusions 31, resulting in a relatively simple overall structure. Furthermore, by connecting the upper locking part 12 and the lower locking part 22, the protrusions 31 on the mating lock element 3 can be designed as a single unit, facilitating manufacturing and increasing the mating area between the upper locking part 12 and the lower locking part 22, thus improving the locking effect. Preferably, in this application, the upper locking part 12 also penetrates the upper end face of the upper curved plate 1, and the lower locking part 22 also penetrates the lower end face of the lower curved plate 2, further simplifying manufacturing.

[0057] Of course, the upper locking part 12 and the lower locking part 22 can also be designed to be independent, that is, two independent groove structures, so that the protrusion 31 on the lock part 3 is designed to be two.

[0058] The shape of the groove can be trapezoidal or rectangular. The trapezoidal design has a certain guiding effect and is relatively preferred. Those skilled in the art can make changes to the design according to actual needs without restriction.

[0059] Taking the design of the upper locking part 12 and the lower locking part 22 being connected as an example, the locking member 3 of this application can be a T-shaped block structure, and the protrusion on one side forms the required protrusion 31.

[0060] Furthermore, in order to ensure the stability of the connection between the lock 3 and the upper locking part 12 and the lower locking part 22 and to prevent it from coming loose during connection, the lock 3 is designed to be detachably connected to the upper arc plate 1 and / or the lower arc plate 2; specifically, the lock 3 is detachably connected to the upper arc plate 1, or the lock 3 is detachably connected to the lower arc plate 2, or the lock 3 is detachably connected to both the upper arc plate 1 and the lower arc plate 2.

[0061] Furthermore, regarding the detachable connection design, the locking member 3 is provided with a through hole 32; the sides of the upper arc plate 1 and / or the lower arc plate 2 are provided with threaded holes (not shown in the figure) corresponding to the through hole 32; a fastener (not shown in the figure) is threaded through the through hole 32 and connected to the threaded hole; the fastener is used to press the locking member 3 onto the lower arc plate 2 and / or the upper arc plate 1. Taking the design of the locking member 3 connected together with the upper arc plate 1 and the lower arc plate 2 as an example, that is, the locking member 3 is provided with two vertically distributed through holes 32, and correspondingly, the sides of the upper arc plate 1 and the lower arc plate 2 are provided with threaded holes connected to the through holes 32; this design can further improve the stability of the upper arc plate 1 and the lower arc plate 2 in the planar reference mode.

[0062] By setting a through hole 32 that penetrates the locking component 3 and fasteners that match the threaded holes on the side of the upper arc plate 1 or the lower arc plate 2, the locking component 3 is effectively pressed and fixed. The fasteners can be bolts or screws, and the locking component 3 is fastened and disassembled by means of threaded connection. The structure is simple and the fastening and disassembly are convenient.

[0063] Furthermore, such as Figure 2 As shown, both the upper arc surface 11 and the lower arc surface 21 are cylindrical arc surfaces. This cylindrical arc surface design optimizes line contact force into large-area arc surface contact force, achieving better compensation. Compared to spherical arc surface designs, the cylindrical arc surface design offers better unilateral guidance, allowing the arc compensation mechanism to operate more stably under unilateral force. Furthermore, the machining of cylindrical arc surfaces is relatively simple, which helps reduce production costs.

[0064] Furthermore, such as Figure 2 As shown, an oil reservoir 25 is provided on the lower arc-shaped surface 21. During the contact process of the arc surfaces, friction will occur between the two contact surfaces. The lubricating oil in the oil reservoir 25 can form an oil film on the contact surface, separating the two friction surfaces. This oil film can greatly reduce friction, making the relative movement between the contact surfaces smoother and extending service life.

[0065] Furthermore, the upper curved plate 1 and the lower curved plate 2 are made of 45# steel with a hardness of 38HRC~42HRC. 45# steel is a high-quality carbon structural steel with good comprehensive mechanical properties. During the quenching and tempering process, the Rockwell hardness of 45# steel is treated to 38HRC~42HRC. This hardness range ensures that the material has sufficient hardness to resist wear and deformation while maintaining a certain degree of toughness, thus better withstanding the impacts and loads that may occur during operation.

[0066] Furthermore, both the upper arc surface 11 and the lower arc surface 21 are polished surfaces. Through high-precision polishing, firstly, the accuracy of the arc surface contact can be improved, so that it can fit better when in contact with other parts, ensuring the uniformity of contact and reducing local stress concentration and wear caused by uneven surfaces; secondly, the smooth surface can reduce friction, further reducing energy loss and heat generation during operation.

[0067] After polishing, the effective contact area between the upper arc surface 11 and the lower arc surface 21 is ≥85% (preferably ≥95%), indicating that polishing can make the upper arc surface 11 and the lower arc surface 21 fit better.

[0068] The arc compensation mechanism designed in this application is not only simple in structure and easy to manufacture, but also highly flexible and adaptable. Through the cooperation of the locking member 3 with the upper locking part 12 and the lower locking part 22, the arc compensation mechanism can be easily switched between arc compensation mode and planar reference mode. This design not only improves production flexibility but also helps ensure the working accuracy and stability of the roller press. Furthermore, by optimizing the contact surface design, using high-quality materials, and polishing treatment, the wear resistance and service life of the arc compensation mechanism are further improved.

[0069] like Figure 4 As shown, this application also discloses a roller press, including a roller press body 100 and an arc compensation mechanism 200.

[0070] The roller press body 100 includes a frame 101 and an upper roller 103 (roller) and a lower roller 104 (roller) mounted on the frame 101; wherein, there are two arc compensation mechanisms 200, which are respectively mounted between the bearing seats 102 at both ends of the upper roller 103 and the frame 101.

[0071] The frame 101 is designed to include two archway frames 1011, which are arranged in parallel and spaced apart. One archway frame 1011 is used to fix one end of the upper roller 103 and the lower roller 104, and the other archway frame 1011 is used to fix the other end of the upper roller 103 and the lower roller 104.

[0072] The arc compensation mechanism 200 is specifically set at the center of the bearing seat 102 of the upper roller 103 and the archway frame 61 (center position). The upper fixing hole 14 of the upper arc plate 1 of the arc compensation mechanism 200 is used to connect the archway frame 1011, while the lower fixing hole 24 on the lower arc plate 2 is used to connect the bearing seat 102 of the upper roller 103.

[0073] The above provides a detailed description of the arc compensation mechanism and roller press provided in this application. For those skilled in the art, based on the ideas of the embodiments of this application, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. An arc compensation mechanism, characterized in that, It includes an upper arc plate (1), a lower arc plate (2), and a locking component (3); The upper arc plate (1) is disposed on the lower arc plate (2), and the lower end face forms an upper arc surface (11). The upper end surface of the lower arc plate (2) forms a lower arc surface (21) that contacts and engages with the upper arc surface (11). The upper arc plate (1) is provided with an upper locking part (12) on its side. The lower arc plate (2) and the upper locking part (12) are provided with a lower locking part (22) that cooperates with the upper locking part (12) on the same side. The locking element (3) can be detachably connected to the upper locking part (12) and the lower locking part (22); The locking member (3) is used to connect with the upper locking part (12) and the lower locking part (22) on the same side so that the upper arc plate (1) and the lower arc plate (2) are fixed relative to each other at least in the horizontal direction.

2. The arc compensation mechanism according to claim 1, characterized in that, The locking element (3) is at least two; The upper arc plate (1) is provided with the upper locking part (12) on at least two opposite sides. The lower arc plate (2) has the lower locking part (22) on at least two sides on the same side as the upper locking part (12).

3. The arc compensation mechanism according to claim 2, characterized in that, Both the upper locking part (12) and the lower locking part (22) have a groove structure; At least one end of the upper locking part (12) penetrates the lower end face of the lower arc plate (2); At least one end of the upper locking part (12) penetrates the upper end face of the lower arc plate (2) to communicate with the upper locking part (12); The lock (3) is provided with a protrusion (31) that engages with the upper locking part (12) and the lower locking part (22).

4. The arc compensation mechanism according to claim 3, characterized in that, The locking element (3) is detachably connected to the upper arc plate (1) and / or the lower arc plate (2).

5. The arc compensation mechanism according to claim 4, characterized in that, The lock (3) is provided with a through hole (32) that passes through itself; The upper arc plate (1) and / or the lower arc plate (2) are provided with threaded holes corresponding to the through hole (32); A fastener that is threadedly connected to the threaded hole is provided on the through hole (32); The fastener is used to press the locking member (3) against the lower arc plate (2) and / or the upper arc plate (1).

6. The arc compensation mechanism according to claim 1, characterized in that, Both the upper arc surface (11) and the lower arc surface (21) are cylindrical arc surfaces.

7. The arc compensation mechanism according to claim 1, characterized in that, An oil storage tank (25) is provided on the lower arc-shaped surface (21).

8. The arc compensation mechanism according to claim 1, characterized in that, The upper arc plate (1) and the lower arc plate (2) are made of 45# steel with a hardness of 38HRC~42HRC.

9. The arc compensation mechanism according to claim 1, characterized in that, Both the upper arc-shaped surface (11) and the lower arc-shaped surface (21) are polished surfaces.

10. A roller press, characterized in that, Includes a roller press body (100) and an arc compensation mechanism as described in any one of claims 1 to 9; The roller press body (100) includes a frame (101) and an upper roller (103) and a lower roller (104) mounted on the frame (101). There are two arc compensation mechanisms, which are respectively set between the bearing seats (102) and the frame (101) at both ends of the upper roller (103).

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