Polymer battery anode coating tension adjusting structure
By setting up horizontal monitoring components and electric push rods on the coating roller and tension roller of the battery production equipment, the automatic adjustment of uneven tension problems is realized, the tension problems in the existing equipment are not uniform, and the quality of the coating is improved.
Patent Information
- Application Number
- CN202323013604.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-11-08
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2033-11-08
AI Technical Summary
In existing battery production equipment, the installation positions of coating rollers or tension adjustment rollers are not parallel, resulting in uneven coating tension of the positive electrode. The existing adjustment methods cannot effectively solve this problem.
The horizontal monitoring components are set on the coating roller and tension regulating rollers to monitor their horizontal angles in real time. When tilt, automatically start the electrical push rod, adjust the height of the right side of the coating roller and tension regulating roller to achieve automatic adjustment tension.
By automatic adjustment of tension, ensure that the tension is uniform and improve the quality of the coating and product performance.
Smart Images

Figure CN222402051U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of battery production, and more specifically to a tension regulating structure for coating anodes of polymer batteries. Background Art
[0002] Positive electrode coating is an essential key process in the production process of lithium-ion batteries. Aluminum foil or copper foil is generally used to coat the bottom active material of the positive electrode of lithium batteries.
[0003] China Patent Authorization Announcement No.: CN213124493U, provides a positive electrode coating tension adjustment device. This patent drives the output roller to move by sliding the fixed structure up and down through the adjustment structure, and adjusts the left and right tension of the bottom aluminum foil or copper foil of the positive electrode coating, so that the left and right tension of the bottom aluminum foil or copper foil of the positive electrode coating is uniform, thereby improving product performance and quality and facilitating operation.
[0004] However, in existing equipment, the non-parallel installation positions of the coating roller or the tension adjustment roller will lead to uneven tension in the positive electrode coating. Adjusting the height of the output roller cannot solve the problem of uneven tension, so a tension adjustment structure for the positive electrode coating of polymer batteries is needed. Utility Model Content
[0005] 1. Technical issues to be solved
[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a tension adjustment structure for coating the positive electrode of a polymer battery, which can realize real-time monitoring of the horizontal angles of the coating roller and the tension adjustment roller by arranging horizontal monitoring components on both the coating roller and the tension adjustment roller, and automatically start the electric push rod to adjust the height of the right side of the coating roller and the tension adjustment roller when the horizontal positions are not parallel. This structure can realize automatic tension adjustment, make the coating tension uniform, and improve the coating quality.
[0007] 2. Technical solution
[0008] To solve the above problems, the utility model adopts the following technical solutions.
[0009] The tension adjustment structure for coating positive electrode of polymer battery comprises a workbench, the upper end of the workbench is fixedly connected with two groups of mounting frames arranged in front and back, each group of mounting frames comprises two mounting frames, the mounting frames are arranged on both sides of the upper end of the workbench, the lower end of the right side of the mounting frame is fixedly connected with a fixed block, the fixed block is internally connected with a limit ball for rotation, the right side of the limit ball is fixedly connected with a rotating shaft, the mounting frame on the right side is internally provided with a first limit slide, the first limit slide is internally connected with a bearing, the end of the rotating shaft away from the limit ball is inserted into the bearing by a fixed connection, the outer side of the rotating shaft at the front end is fixedly connected with a coating roller, the outer side of the rotating shaft at the rear end is fixedly connected with a tension adjustment roller, the upper end of the mounting frame on the left side is internally provided with a second limit slide, the second limit slide is internally provided with a horizontal monitoring component, and the horizontal monitoring component is located at the upper end of the coating roller and the tension adjustment roller. By arranging the horizontal monitoring component at the upper end of the coating roller and the tension adjustment roller, the horizontal angles of the coating roller and the tension adjustment roller can be monitored in real time, and can be quickly corrected when the horizontal position is tilted.
[0010] Furthermore, the two horizontal monitoring components each include a limit plate, a clamping block, a rocker arm and a level detector, the clamping block is clamped inside the second limit slide groove, the limit plate is fixedly installed on the right side of the clamping block, the rocker arm is rotatedly installed on the right side of the limit plate, the level detector is fixedly installed on the upper end of the rocker arm, both sides of the lower end of the rocker arm are fixedly connected to the limit cylinder, the bottom of the limit cylinder is rotatably connected to a roller, when in use, the horizontal monitoring assembly is fixed to the upper right side of the left mounting frame by the clamping block, the roller is abutted against the upper end of the coating roller and the tension adjustment roller by the influence of gravity, the height of the limit cylinder and the roller is fixed, and the rocker arm is always parallel to the coating roller and the tension adjustment roller.
[0011] Furthermore, a card slot that penetrates the second limiting slide groove is provided on the left side of the front and rear ends of the two second limiting slide grooves, and the shapes of the two card blocks are both T-shaped. The card blocks match the shapes of the second limiting slide groove and the card slot. When in use, the card blocks are clamped inside the second limiting slide groove and the card slot to limit the card blocks.
[0012] Furthermore, the two bearings each include an inner ring and an outer ring, the inner ring is arranged on the inner side of the outer ring, and the inner ring is rotatably connected to the surface of the outer ring, a motor cover is fixedly connected to the right side of the outer ring, a servo motor is fixedly connected to the inside of the motor cover, an output shaft is arranged in the middle of the left side of the servo motor, and the output shaft is fixedly connected to the rotating shaft. When in use, starting the servo motor can drive the coating roller and the tension adjustment roller to rotate.
[0013] Furthermore, the upper ends of the two first limit slide grooves are each provided with an electric push rod installed inside the right mounting frame by a fixed embedding manner, the lower end of the electric push rod is provided with an output shaft, the output shaft is fixedly connected to the outer ring, and the front part of the upper end of the workbench is fixedly connected with a controller, the controller is electrically connected to the electric push rod and the level detector. When in use, when the level detector detects that the coating roller and the tension adjustment roller are tilted, it will immediately send a signal to the controller, and the controller will control the start of the electric push rod according to the degree of inclination of the coating roller and the tension adjustment roller, and make corresponding adjustments to the height of the right side bearings of the coating roller and the tension adjustment roller.
[0014] 3. Beneficial effects
[0015] Compared with the prior art, the advantages of the present invention are:
[0016] (1) This solution can realize real-time monitoring of the horizontal angles of the coating roller and the tension adjustment roller by arranging horizontal monitoring components on both the coating roller and the tension adjustment roller. When the horizontal positions are not parallel, the electric push rod is automatically started to adjust the height of the right side of the coating roller and the tension adjustment roller. This structure can realize automatic tension adjustment, make the coating tension uniform, and improve the coating quality.
[0017] (2) The level monitoring assembly is fixed to the upper right of the left mounting frame by a clamping block, and the roller is abutted against the upper end of the coating roller and the tension adjustment roller by the influence of gravity. The height of the limit cylinder and the roller is fixed, and the swing arm is always parallel to the coating roller and the tension adjustment roller. The level detector can monitor the level of the swing arm and, at the same time, monitor the level of the coating roller and the tension adjustment roller.
[0018] (3) The card block is arranged inside the second limit sliding groove and the card slot to limit the card block, thereby preventing the horizontal monitoring component from falling off.
[0019] (4) Starting the servo motor can drive the coating roller and the tension adjustment roller to rotate and perform the coating roller pressing process.
[0020] (5) When the level detector detects that the coating roller and the tension adjustment roller are tilted, it will immediately send a signal to the controller, which will control the electric push rod to start according to the degree of tilt of the coating roller and the tension adjustment roller, and make corresponding adjustments to the height of the right side bearings of the coating roller and the tension adjustment roller, so that the coating roller and the tension adjustment roller are always parallel to the workbench. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a three-dimensional diagram of the tension adjustment structure in the utility model;
[0022] Figure 2 This is an exploded view of the right side mounting frame of the present utility model;
[0023] Figure 3It is a front view of the tension adjustment structure in the utility model.
[0024] Description of the numbers in the figure:
[0025] 1. Workbench; 2. Mounting frame; 21. First limit slide; 22. Second limit slide; 23. Card slot; 3. Fixed block; 4. Limit ball; 5. Rotating shaft; 6. Coating roller; 7. Tension adjustment roller; 8. Bearing; 9. Motor cover; 10. Servo motor; 11. Electric push rod; 12. Level monitoring assembly; 121. Limit plate; 122. Rocker; 123. Level detector; 124. Limit cylinder; 125. Roller; 126. Card block; 13. Controller. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.
[0027] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0028] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0029] Embodiment 1:
[0030] See also Figure 1-3The polymer battery positive electrode coating tension adjustment structure comprises a workbench 1, and two groups of front and rear mounting frames 2 are fixedly connected to the upper end of the workbench 1, and each group of mounting frames 2 comprises two mounting frames 2, and the mounting frames 2 are arranged on both sides of the upper end of the workbench 1, and a fixed block 3 is fixedly connected to the lower end of the right side of the mounting frame 2, and a limiting ball 4 is rotatably connected inside the fixed block 3, and a rotating shaft 5 is fixedly connected to the right side of the limiting ball 4, and a first limiting slide groove 21 is arranged inside the right mounting frame 2, and a bearing 8 is movably connected inside the first limiting slide groove 21, and the end of the rotating shaft 5 away from the limiting ball 4 is inserted into the bearing 8 by a fixed connection method, and a coating roller 6 is fixedly connected to the outer side of the front rotating shaft 5, and a tension adjustment roller 7 is fixedly connected to the outer side of the rear rotating shaft 5, and a second limiting slide groove 22 is arranged on the inner side of the upper end of the left mounting frame 2, and a horizontal monitoring component 12 is clamped inside the second limiting slide groove 22, and the horizontal monitoring component 12 is located at the upper ends of the coating roller 6 and the tension adjustment roller 7. By arranging the horizontal monitoring component 12 at the upper ends of the coating roller 6 and the tension adjustment roller 7, the horizontal angles of the coating roller 6 and the tension adjustment roller 7 can be monitored in real time, and when the horizontal position is tilted, it can be quickly corrected to avoid uneven tension during the coating process of the polymer battery positive electrode affecting the quality of the positive electrode.
[0031] See also Figure 1 and Figure 3 The two level monitoring components 12 each include a limit plate 121, a block 126, a swing rod 122 and a level detector 123. The block 126 is clamped in the second limit slide groove 22. The limit plate 121 is fixedly connected to the right side of the block 126. The swing rod 122 is rotatably connected to the right side of the limit plate 121. The level detector 123 is fixedly connected to the upper end of the swing rod 122. Both sides of the lower end of the swing rod 122 are fixedly connected to the limit cylinder 124. The limit cylinder 1 The bottom of 24 is rotatably connected to a roller 125. When in use, the level monitoring assembly 12 is fixed to the upper right of the left mounting frame 2 by a clamping block 126. The roller 125 is abutted against the upper ends of the coating roller 6 and the tension adjusting roller 7 by the influence of gravity. The heights of the limiting cylinder 124 and the roller 125 are fixed. The rocker arm 122 is always parallel to the coating roller 6 and the tension adjusting roller 7. The level detector 123 can monitor the level of the rocker arm 122 and, at the same time, monitor the level of the coating roller 6 and the tension adjusting roller 7.
[0032] The left sides of the front and rear ends of the two second limiting slide grooves 22 are both provided with a card slot 23 that penetrates the second limiting slide grooves 22. The two card blocks 126 are both T-shaped, and the card blocks 126 match the shapes of the second limiting slide grooves 22 and the card slots 23. When in use, the card blocks 126 are stuck inside the second limiting slide grooves 22 and the card slots 23, and limiting the card blocks 126 can prevent the horizontal monitoring component 12 from falling off.
[0033] See also Figure 2The two bearings 8 each include an inner ring and an outer ring. The inner ring is arranged on the inner side of the outer ring and is rotatably connected to the surface of the outer ring. A motor cover 9 is fixedly connected to the right side of the outer ring. A servo motor 10 is fixedly connected to the inside of the motor cover 9. An output shaft is arranged in the middle of the left side of the servo motor 10. The output shaft is fixedly connected to the rotating shaft 5. When in use, the servo motor 10 is started to drive the coating roller 6 and the tension adjustment roller 7 to rotate, and the coating roller pressing process is performed.
[0034] The upper ends of the two first limit slide grooves 21 are each provided with an electric push rod 11 installed inside the right mounting frame 2 by a fixed embedding manner, and the lower end of the electric push rod 11 is provided with an output shaft, which is fixedly connected to the outer ring, and the front part of the upper end of the workbench 1 is fixedly connected with a controller 13, and the controller 13 is electrically connected to the electric push rod 11 and the level detector 123. When in use, when the level detector 123 detects that the coating roller 6 and the tension adjustment roller 7 are tilted, a signal will be immediately sent to the controller 13, and the controller 13 will control the electric push rod 11 to start according to the degree of inclination of the coating roller 6 and the tension adjustment roller 7, and make corresponding adjustments to the height of the right side bearing 8 of the coating roller 6 and the tension adjustment roller 7, so that the coating roller 6 and the tension adjustment roller 7 are always parallel to the workbench 1.
[0035] The working principle of the utility model is as follows: firstly, the adjustment structure is connected to the power supply, and the level monitoring assembly 12 is fixed to the upper right of the left mounting frame 2 through the clamping block 126, and the roller 125 is abutted against the upper end of the coating roller 6 and the tension adjustment roller 7 by the influence of gravity, and the height of the limit cylinder 124 and the roller 125 is fixed, the swing rod 122 is always parallel to the coating roller 6 and the tension adjustment roller 7, and the level detector 123 can realize the monitoring of the level of the swing rod 122, and at the same time, realize the level monitoring of the coating roller 6 and the tension adjustment roller 7. When the level detector 123 detects that the coating roller 6 and the tension adjustment roller 7 are tilted, it will immediately send a signal to the controller 13, and the controller 13 will control the electric push rod 11 to start according to the tilt degree of the coating roller 6 and the tension adjustment roller 7, and make corresponding adjustments to the height of the right side bearing 8 of the coating roller 6 and the tension adjustment roller 7, so that the coating roller 6 and the tension adjustment roller 7 are always parallel to the workbench 1.
[0036] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.
Claims
1. A tension adjustment structure for coating anode of a polymer battery, comprising a workbench (1), characterized in that: The upper end of the workbench (1) is fixedly connected to two groups of mounting frames (2) arranged in front and behind, each group of mounting frames (2) comprises two mounting frames (2), the mounting frames (2) are arranged on both sides of the upper end of the workbench (1), the lower end of the right side of the mounting frame (2) is fixedly connected to a fixing block (3), the fixing block (3) is internally rotatably connected to a limiting ball (4), the right side of the limiting ball (4) is fixedly connected to a rotating shaft (5), the inside of the right side of the mounting frame (2) is provided with a first limiting slide groove (21), the inside of the first limiting slide groove (21) is movable A bearing (8) is movably connected to the rotating shaft (5); one end of the rotating shaft (5) away from the limiting ball (4) is inserted into the bearing (8) by a fixed connection method; a coating roller (6) is fixedly connected to the outer side of the rotating shaft (5) at the front end; a tension adjustment roller (7) is fixedly connected to the outer side of the rotating shaft (5) at the rear end; a second limiting slide groove (22) is provided on the inner side of the upper end of the left mounting frame (2); a horizontal monitoring component (12) is clamped inside the second limiting slide groove (22), and the horizontal monitoring component (12) is located at the upper ends of the coating roller (6) and the tension adjustment roller (7).
2. The polymer battery positive electrode coating tension adjustment structure according to claim 1, characterized in that: The two level monitoring components (12) each comprise a limit plate (121), a clamping block (126), a swing rod (122) and a level detector (123); the clamping block (126) is clamped inside the second limit sliding groove (22); the limit plate (121) is mounted on the right side of the clamping block (126) by a fixed connection method; the swing rod (122) is mounted on the right side of the limit plate (121) by a rotational connection method; and the level detector (123) is mounted on the upper end of the swing rod (122) by a fixed connection method.
3. The polymer battery positive electrode coating tension adjustment structure according to claim 2, characterized in that: Both sides of the lower ends of the two swing rods (122) are fixedly connected to a limiting cylinder (124), and a roller (125) is rotatably connected to the bottom of the limiting cylinder (124).
4. The polymer battery positive electrode coating tension adjustment structure according to claim 2, characterized in that: A clamping groove (23) penetrating the second limiting sliding groove (22) is provided on the left side of the front and rear ends of the two second limiting sliding grooves (22), and the shapes of the two clamping blocks (126) are both T-shaped, and the shapes of the clamping blocks (126) match those of the second limiting sliding groove (22) and the clamping groove (23).
5. The polymer battery positive electrode coating tension adjustment structure according to claim 1, characterized in that: The two bearings (8) each comprise an inner ring and an outer ring, wherein the inner ring is arranged inside the outer ring and is rotatably connected to the surface of the outer ring, a motor cover (9) is fixedly connected to the right side of the outer ring, a servo motor (10) is fixedly connected inside the motor cover (9), an output shaft is arranged in the middle of the left side of the servo motor (10), and the output shaft is fixedly connected to the rotating shaft (5).
6. The polymer battery positive electrode coating tension adjustment structure according to claim 1, characterized in that: The upper ends of the two first limit sliding grooves (21) are each provided with an electric push rod (11) installed inside the right mounting frame (2) by a fixed embedding manner, and the lower end of the electric push rod (11) is provided with an output shaft, and the output shaft is fixedly connected to the outer ring. The front part of the upper end of the workbench (1) is fixedly connected with a controller (13), and the controller (13) is electrically connected to the electric push rod (11) and the level detector (123).
Citation Information
Patent Citations
Positive electrode coating tension adjusting device
CN213124493U