Secondary drying device for coating line
By setting up an infrared drying device at the back end of the oven and secondary drying is performed using infrared lamp components, the problem of pole sheet cracking caused by uneven drying in the oven is solved, the quality and yield of pole sheets are improved, and the temperature control is simplified.
Patent Information
- Application Number
- CN202420751536.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-11
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-04-11
AI Technical Summary
Due to uneven temperature and tension in existing ovens, the surface of the pole sheet is unevenly dry and wet, which is prone to cracking, affecting the quality of the pole sheet.
A coating wire secondary drying device is designed, including an infrared drying mechanism and a through-roller mechanism, and secondary drying is performed using an infrared lamp assembly. By reducing the internal temperature of the oven and combining convection and radiation heat exchange, the uniformity of the pole sheet drying is ensured.
It effectively solves the cracking problem caused by uneven drying of the electrode sheet, improves the yield rate of the electrode sheet, and reduces the difficulty of oven temperature debugging.
Smart Images
Figure CN222220179U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coating and drying, in particular to a secondary drying device for a coating line. Background Art
[0002] Coating usually refers to the process of attaching a coating with a certain fluidity to a base material. After coating, the coating needs to be dried to obtain a dry coating so that the base to which the coating is attached can be rolled up. The degree of dryness of the coating affects the quality of the coating, so the drying step plays a very important role in the coating process.
[0003] In the current oven heating and drying, due to the debugging personnel's skills, the oven temperature is too high, the tension is uneven and other reasons, there are frequent differences in the horizontal drying effect inside the oven, resulting in uneven dryness and wetness on the electrode surface and the appearance of a dry-wet interface. Under the action of the roller traction force, the electrode is prone to cracking, which seriously affects the quality of the electrode.
[0004] Therefore, it is necessary to provide a coating line secondary drying device to solve the above problems. Utility Model Content
[0005] In order to overcome the shortcomings of the prior art, the utility model provides a coating line secondary drying device with simple structure, convenient operation and small footprint, which solves the problem of electrode cracking caused by uneven lateral drying inside the oven and effectively improves the yield rate of the electrode.
[0006] The technical solution adopted by the utility model to solve its technical problems is:
[0007] A secondary drying device for a coating line comprises an infrared drying mechanism, a mounting frame and a roller mechanism, wherein the roller mechanism is mounted on the mounting frame, the infrared drying mechanism is arranged above the roller mechanism, and the infrared drying mechanism comprises a plurality of groups of infrared lamp assemblies, wherein the plurality of groups of infrared lamp assemblies are used for secondary drying of electrode pieces conveyed on the roller mechanism, the infrared lamp assemblies comprise a plurality of infrared lamp tubes and an infrared lamp cover, a cavity is arranged at the upper end of the infrared lamp cover, an air inlet port is connected to one end of the cavity, a plurality of evenly arranged air holes are arranged at the lower end of the cavity, and the infrared lamp tubes are arranged below the air holes.
[0008] As a further improvement of the above technical solution, the infrared lamp assembly includes an adjustment baffle and a side baffle, the adjustment baffle is slidably connected to the lower part of the infrared lamp cover, and the adjustment baffle is arranged on both sides of the infrared lamp tube, and the side baffle is fixedly connected to the two side ends of the infrared lamp cover.
[0009] As a further improvement of the above technical solution, inner bending plates extend downwardly from both sides of the cavity, and the two inner bending plates form an insertion groove, and the adjustment baffle is arranged in the insertion groove.
[0010] As a further improvement of the above technical solution, the infrared drying mechanism also includes an infrared cover plate and a fixing frame, the infrared cover plate is connected to the fixing frame, and the infrared cover plate is arranged above the infrared lamp assembly, and mounting angle plates are arranged on both sides of the upper end of the infrared lamp cover, and the infrared lamp assembly is connected to the fixing frame through the mounting angle plates.
[0011] As a further improvement of the above technical solution, a long through hole is provided at the side end of the mounting angle plate, a fastener is provided in the long through hole, a fixing hole is provided on the fixing frame, and the fastener passes through the long through hole and is locked in the fixing hole.
[0012] As a further improvement of the above technical solution, the infrared cover plate includes a fixed plate, two side plates and a plurality of hinges, the two side plates are rotatably connected to both sides of the fixed plate through the hinges, and the fixed plate is fixedly connected to the upper end of the fixing frame.
[0013] As a further improvement of the above technical solution, the roller mechanism includes a plurality of flattening rollers and auxiliary rollers, roller fixing plates are provided at both ends of the flattening rollers, at least two of the flattening rollers are connected to the upper end of the mounting frame through the roller fixing plates, and the fixing frame is connected to the upper end of the roller fixing plates, roller mounting plates are provided at both ends of the auxiliary rollers, and the auxiliary rollers are connected to the side ends of the mounting frame through the roller mounting plates.
[0014] As a further improvement of the above technical solution, the flattening roller and the auxiliary roller both include a roller body, two rotating bearing seats and two slide rail adjustment assemblies. The two rotating bearing seats are rotatably connected to the two ends of the roller body, and the rotating bearing seats are fixedly connected to the slide rail adjustment assemblies. The slide rail adjustment assembly at one end of the roller body is horizontally arranged, and the slide rail adjustment assembly at the other end is longitudinally arranged.
[0015] As a further improvement of the above technical solution, the slide rail adjustment assembly includes a screw rod, a hand-tightening knob, a slider, a guide rod and a fixed seat. The fixed seat is fixedly connected to the roller fixing plate or the roller mounting plate. The screw rod and the guide rod are inserted into the slider and the fixed seat. The hand-tightening knob is arranged at the outer end of the fixed seat, and the hand-tightening knob is fixedly connected to the screw rod. A threaded hole is arranged in the slider, and the screw rod is arranged in the threaded hole.
[0016] The beneficial effects of the utility model are as follows: the utility model provides a drying device connected to the rear end of the oven, reduces the temperature inside the multi-section oven, and utilizes the infrared light radiation of the drying device to generate heat to perform secondary drying of the electrode, thereby effectively solving the problem of the electrode being cracked due to tensile force caused by uneven drying inside the oven, and also reduces the difficulty of debugging the oven; in addition, a plurality of evenly arranged air holes are processed on the infrared lamp cover, which can evenly blow the heat generated by the infrared lamp tube to the surface of the electrode in a slightly moist state at the end of the oven, so that the electrode can perform convection heat exchange and radiation heat exchange at the same time, thereby effectively improving the uniformity of the drying of the electrode and ensuring the yield rate of the electrode. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0018] Figure 1 It is a structural schematic diagram of the secondary drying device of the coating line of the utility model;
[0019] Figure 2 It is a structural schematic diagram of the infrared drying mechanism of the utility model;
[0020] Figure 3 It is a structural schematic diagram of the infrared lamp assembly of the utility model;
[0021] Figure 4 It is a schematic diagram of the cross-sectional structure of the infrared lamp assembly of the utility model;
[0022] Figure 5 It is a structural schematic diagram of the infrared lamp cover of the utility model;
[0023] Figure 6 It is a structural schematic diagram of the roller mechanism of the utility model.
[0024] Figure numerals: 1. infrared drying mechanism; 2. mounting frame; 3. roller mechanism; 31. flattening roller; 32. auxiliary roller; 33. roller fixing plate; 34. roller mounting plate; 35. roller body; 36. rotating bearing seat; 37. slide rail adjustment assembly; 371. screw rod; 372. hand knob; 373. slider; 374. guide rod; 375. fixing seat; 4. infrared lamp assembly; 41. infrared lamp tube; 42. infrared lamp cover; 421. cavity; 422. inner bending plate; 423. plug-in slot; 424. air hole; 43. adjustment baffle; 44. side baffle; 45. air inlet; 46. installation angle plate; 461. long through hole; 5. infrared cover plate; 51. fixing plate; 52. side plate; 53. hinge; 6. fixing frame. DETAILED DESCRIPTION
[0025] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the utility model, so as to fully understand the purpose, characteristics and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the utility model. In addition, all the connection / connection relationships involved in the patent do not refer to the direct connection of components, but refer to the fact that according to the specific implementation situation, a better connection structure can be formed by adding or reducing connection accessories. For example, fixed connection / fixed installation can be selected according to the needs of screw connection, bolt connection, pin connection, key connection, bonding, mortise and tenon connection, welding, riveting and other methods. For example, detachable connection can be selected according to the needs of screw connection, bolt connection, threaded connection, snap connection, mortise and tenon connection, Velcro connection and other methods. The various technical features in the creation of the utility model can be combined interactively without conflicting with each other.
[0026] Reference Figure 1 , a coating line secondary drying device, which is used to be connected to the rear end of a multi-section oven for secondary drying, the secondary drying device comprises an infrared drying mechanism 1, a mounting frame 2 and a roller mechanism 3, wherein the roller mechanism 3 is mounted on the mounting frame 2, and the lower end of the mounting frame 2 is provided with an expansion screw, which is firmly fixed to the floor, the secondary drying device has a simple structure and a small footprint, and the roller mechanism 3 is used to convey the electrode pieces coming out of the oven; the infrared drying mechanism 1 is arranged above the roller mechanism 3, and the infrared drying mechanism 1 comprises a plurality of groups of infrared lamp assemblies 4, and the plurality of groups of infrared lamp assemblies 4 are aimed at the electrode pieces passing through the roller mechanism 3, and the temperature inside the multi-section oven is reduced so that the electrode pieces are in a slightly wet state after coming out of the oven, and then the heat radiated by infrared light is used to perform secondary drying on the electrode pieces, thereby solving the cracking problem caused by uneven lateral drying inside the oven, effectively improving the electrode piece yield, and reducing the cracking phenomenon of the electrode pieces; at the same time, the control accuracy of the temperature inside the oven is reduced, and the difficulty of oven temperature debugging is reduced.
[0027] Reference Figure 3 , Figure 4In an embodiment of the utility model, the infrared lamp assembly 4 includes an infrared lamp tube 41, an infrared lamp cover 42, an adjustment baffle 43 and a side baffle 44, wherein a plurality of the infrared lamp tubes 41 are installed inside the infrared lamp cover 42, and the infrared lamp tube 41 converts electrical energy into infrared light and radiates a large amount of heat to dry the electrode; at the same time, the infrared lamp cover 42 can prevent the infrared lamp tube 41 from being damaged by collision; the two adjustment baffles 43 are slidably connected to the lower part of the infrared lamp cover 42, and the adjustment baffles 43 are arranged on both sides of the infrared lamp tube 41, and the irradiation opening of the infrared lamp tube 41 can be adjusted by sliding the position of the adjustment baffle 43, thereby controlling the amount of heat radiated by the infrared lamp assembly 4; the two side baffles 44 are fixedly connected to the two side ends of the infrared lamp cover 42, on the one hand, can reduce the diffusion of heat radiated by the infrared lamp tube 41; on the other hand, can prevent the adjustment baffle 43 from sliding out of the infrared lamp cover 42.
[0028] Specifically, a cavity 421 is provided at the upper end of the infrared lamp cover 42, and the infrared lamp assembly 4 is also provided with an air inlet port 45, which is connected to the side baffle 44 and communicated with the cavity 421, so that the gas generated by the vacuum pump enters the cavity 421 from the air inlet port 45; a plurality of evenly arranged air holes 424 are also provided at the bottom end of the cavity 421, so that the gas entering the cavity 421 can be blown out through the air holes 424, which can cool the infrared lamp tube 41 on the one hand; on the other hand, the heat radiated by the infrared lamp tube 41 is transferred to the electrode by convection. surface, to dry the electrode piece; in addition, inner bending plates 422 extend downward on both sides of the cavity 421, and the two inner bending plates 422 form a plug-in slot 423, and the adjusting baffle 43 is arranged in the plug-in slot 423, and a long limiting hole is arranged on the inner bending plate 422. The adjusting baffle 43 is arranged in a U-shaped slot, and a through hole is arranged on the slot wall, and a butterfly screw is used to pass through the through hole and the long limiting hole for fixing, so as to determine the irradiation range of the infrared lamp tube 41; at the same time, the butterfly screw can be loosened to slide the adjusting baffle 43, and then the butterfly screw can be tightened to adjust the amount of heat radiated by the infrared lamp tube 41.
[0029] Reference Figure 2 , Figure 5In an embodiment of the utility model, the infrared drying mechanism 1 also includes an infrared cover plate 5 and a fixing frame 6, the infrared cover plate 5 is connected to the fixing frame 6, and the infrared cover plate 5 is arranged above the infrared lamp assembly 4, on the one hand, it can prevent the infrared lamp assembly 4 from being hit, and further protect the infrared lamp tube 41; on the other hand, it can further prevent the diffusion of heat radiated by the infrared lamp tube 41, and ensure a good drying effect of the electrode; mounting angle plates 46 are arranged on both sides of the upper end of the infrared lamp cover 42, and a long through hole 461 is arranged at the side end of the mounting angle plate 46, and the fixing frame 6 is provided with a fixing hole, and a fastener is arranged in the long through hole 461, and the fastener can be a locking screw, which is passed through the long through hole 461 and locked in the fixing hole, so that the infrared lamp assembly 4 is connected to the fixing frame 6, and the infrared lamp assembly 4 can also be rotated at a certain angle for fixing, and the heat radiated by multiple infrared lamp tubes 41 is gathered inward, so that the drying effect of the electrode is better.
[0030] Specifically, the infrared cover plate 5 includes a fixed plate 51, two side plates 52 and a plurality of hinges 53. The fixed plate 51 is fixedly connected to the upper end of the fixed frame 6 so that the infrared cover plate 5 can cover the infrared lamp assembly 4. At the same time, the two side plates 52 are rotatably connected to the two sides of the fixed plate 51 through the hinges 53, so that the side plates 52 can be rotated to open and close, which is more convenient for the pole piece to pass through.
[0031] Reference Figure 1 , Figure 6 In an embodiment of the utility model, the roller mechanism 3 includes a plurality of flattening rollers 31 and auxiliary rollers 32, wherein in the present embodiment, two flattening rollers 31 are provided, and roller fixing plates 33 are provided at both ends of the flattening rollers 31, and the flattening rollers 31 are connected to the upper end of the mounting frame 2 through the roller fixing plates 33, and the fixing frame 6 is connected to the upper end of the roller fixing plates 33, so that the infrared lamp assembly 4 is located at the upper end of the flattening roller 31, and can irradiate the electrode sheet transmitted from the flattening roller 31; roller mounting plates 34 are provided at both ends of the auxiliary rollers 32, and the auxiliary rollers 32 are connected to the side ends of the mounting frame 2 through the roller mounting plates 34, so that the electrode sheets coming out of the oven can be introduced into the two-pole drying device of the utility model, and the electrode sheets dried by the infrared drying mechanism 1 can also be transmitted to the next device.
[0032] Specifically, the flattening roller 31 and the auxiliary roller 32 each include a roller body 35, a rotating bearing seat 36 and a slide rail adjustment assembly 37. The two rotating bearing seats 36 are rotatably connected to the two ends of the roller body 35 to ensure that the roller body 35 can rotate and the pole piece can pass through smoothly. The rotating bearing seat 36 is fixedly connected to the slide rail adjustment assembly 37, and the slide rail adjustment assembly 37 at one end of the roller body 35 is horizontally arranged, and the slide rail adjustment assembly 37 at the other end is longitudinally arranged, which can adjust the horizontal and vertical positions of the roller body 35, thereby ensuring that the force is uniform during the sliding process of the pole piece.
[0033] Specifically, the slide rail adjustment assembly 37 includes a screw rod 371, a hand-tightening knob 372, a slider 373, a guide rod 374 and a fixed seat 375. The fixed seat 375 is fixedly connected to the roller fixing plate 33 or the roller mounting plate 34, and then fixedly connected to the mounting frame 2 through the roller fixing plate 33 and the roller mounting plate 34. The screw rod 371 and the guide rod 374 are inserted into the slider 373 and the fixed seat 375, and the hand-tightening knob 372 is arranged at the outer end of the fixed seat 375, and the hand-tightening knob 372 is fixedly connected to the screw rod 371. A threaded hole is arranged in the slider 373, and the screw rod 371 is arranged in the threaded hole. The slider 373 can be adjusted to move on the screw rod 371 by rotating the hand-tightening knob 372, thereby adjusting the horizontal and vertical positions of the roller body 35 to ensure that the force is uniform during the sliding process of the pole piece.
[0034] The above is a specific description of the preferred implementation of the utility model, but the invention of the utility model is not limited to the described embodiments. Technical personnel familiar with the field can also make various equivalent deformations or substitutions without violating the spirit of the utility model. These equivalent deformations or substitutions are all included in the scope defined by the claims of this application.
Claims
1. A secondary drying device for a coating line, characterized in that: It includes an infrared drying mechanism, a mounting frame and a roller mechanism, wherein the roller mechanism is mounted on the mounting frame, the infrared drying mechanism is arranged above the roller mechanism, and the infrared drying mechanism includes multiple groups of infrared lamp assemblies, wherein the multiple groups of infrared lamp assemblies are used for secondary drying of the electrode pieces conveyed on the roller mechanism, the infrared lamp assembly includes multiple infrared lamp tubes and an infrared lamp cover, the upper end of the infrared lamp cover is provided with a cavity, one end of the cavity is connected to an air inlet, the lower end of the cavity is provided with multiple evenly arranged air holes, and the infrared lamp tubes are arranged below the air holes.
2. A secondary drying device for coating line according to claim 1, characterized in that: The infrared lamp assembly comprises an adjustment baffle and a side baffle, wherein the adjustment baffle is slidably connected to the lower part of the infrared lamp cover and is arranged on both sides of the infrared lamp tube, and the side baffle is fixedly connected to both side ends of the infrared lamp cover.
3. A secondary drying device for coating line according to claim 2, characterized in that: Inner bending plates are extended downwardly from both sides of the cavity, and the two inner bending plates form an inserting slot, and the adjusting baffle is arranged in the inserting slot.
4. A secondary drying device for coating line according to claim 2, characterized in that: The infrared drying mechanism also includes an infrared cover plate and a fixing frame, wherein the infrared cover plate is connected to the fixing frame and is arranged above the infrared lamp assembly, and mounting angle plates are arranged on both sides of the upper end of the infrared lamp cover, and the infrared lamp assembly is connected to the fixing frame via the mounting angle plates.
5. A secondary drying device for coating line according to claim 4, characterized in that: A long through hole is arranged at the side end of the mounting angle plate, a fastener is arranged in the long through hole, a fixing hole is arranged on the fixing frame, and the fastener passes through the long through hole and is locked in the fixing hole.
6. A coating line secondary drying device according to claim 4, characterized in that: The infrared cover plate comprises a fixed plate, two side plates and a plurality of hinges, the two side plates are rotatably connected to the two sides of the fixed plate through the hinges, and the fixed plate is fixedly connected to the upper end of the fixing frame.
7. A secondary drying device for coating line according to claim 4, characterized in that: The roller mechanism includes a plurality of flattening rollers and auxiliary rollers, roller fixing plates are provided at both ends of the flattening rollers, at least two of the flattening rollers are connected to the upper end of the mounting frame through the roller fixing plates, and the fixing frame is connected to the upper end of the roller fixing plates, roller mounting plates are provided at both ends of the auxiliary rollers, and the auxiliary rollers are connected to the side ends of the mounting frame through the roller mounting plates.
8. A secondary drying device for coating line according to claim 7, characterized in that: The flattening roller and the auxiliary roller both include a roller body, two rotating bearing seats and two slide rail adjustment assemblies. The two rotating bearing seats are rotatably connected to the two ends of the roller body. The rotating bearing seats are fixedly connected to the slide rail adjustment assemblies. The slide rail adjustment assembly at one end of the roller body is horizontally arranged, and the slide rail adjustment assembly at the other end is longitudinally arranged.
9. A secondary drying device for coating line according to claim 8, characterized in that: The slide rail adjustment assembly includes a screw rod, a hand-tightening knob, a slider, a guide rod and a fixed seat. The fixed seat is fixedly connected to the roller fixing plate or the roller mounting plate. The screw rod and the guide rod are inserted into the slider and the fixed seat. The hand-tightening knob is arranged at the outer end of the fixed seat, and the hand-tightening knob is fixedly connected to the screw rod. A threaded hole is arranged in the slider, and the screw rod is arranged in the threaded hole.