Winding on-line diaphragm heating device

Abstract

The utility model discloses a winding on-line diaphragm heating device which comprises a mounting plate, four groups of unwinding rollers and a group of winding rollers are arranged on the mounting plate, two groups of passing rollers are arranged between each group of unwinding rollers and winding rollers, and a first pole piece, a second pole piece, a first diaphragm and a second diaphragm are respectively arranged on the four groups of unwinding rollers in an unwinding mode. Double-sided heating assemblies are symmetrically arranged on the upper sides and the lower sides of the first pole piece, the second pole piece, the first diaphragm and the second diaphragm between the adjacent passing rollers, preheating assemblies are installed on the outer sides of the four sets of unwinding rollers, and the double-sided heating assemblies and the preheating assemblies are all installed on an installation plate. Compared with the prior art, the utility model has the advantages that the performance of the manufactured naked battery cell in a preheating furnace is more excellent in an on-line diaphragm heating mode, the contractibility of the diaphragm is effectively controlled, and the short-circuit risk of positive and negative pole pieces caused by excessive contraction of the diaphragm is greatly reduced, so that the overall safety performance of the battery cell is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric core manufacturing, especially relates to a winding online diaphragm heating device. BACKGROUND

[0002] In the current production process, the bare electric core faces the compaction problem in the key winding cold pressing link, which causes the electric core to present the adverse morphology of opening fluffy. When these electric cores that are not fully compacted are transferred to the preheating stage, the diaphragm and the pole piece in the internal are prone to deformation due to the bumping in the transportation process; at the same time, because the height of the electric core opening is uneven, this condition directly hinders the precise material taking operation of the preheating clamp, and affects the smoothness and efficiency of the overall production line. UTILITARIAN CONTENT

[0003] The utility model aims at providing a winding online diaphragm heating device, which is characterized by heating the diaphragm online, so that the performance of the manufactured bare electric core in the preheating furnace is more excellent, the shrinkage of the diaphragm is effectively controlled, the risk of positive and negative pole piece short circuit caused by excessive shrinkage of the diaphragm is greatly reduced, and the overall safety performance of the electric core is improved.

[0004] The above technical purpose of the utility model is realized by the following technical scheme:

[0005] A winding online diaphragm heating device is characterized by comprising a mounting plate, four groups of unwinding rollers and one group of winding rollers are arranged on the mounting plate, two groups of over rollers are arranged between each group of unwinding rollers and winding rollers, first pole pieces, second pole pieces, first diaphragms and second diaphragms are arranged on the four groups of unwinding rollers respectively, double-sided heating assemblies are symmetrically arranged on the upper and lower sides of the first pole pieces, the second pole pieces, the first diaphragms and the second diaphragms between adjacent over rollers, preheating assemblies are installed outside the four groups of unwinding rollers, and the double-sided heating assemblies and the preheating assemblies are installed on the mounting plate.

[0006] Preferably, a plurality of threaded holes are formed in the mounting plate corresponding to the double-sided heating assemblies and the preheating assemblies, and the double-sided heating assemblies and the preheating assemblies are connected and fixed to the mounting plate through the threaded holes.

[0007] Preferably, the preheating assembly comprises a preheating mounting base, an adjustable assembly and a heating plate, the preheating mounting base is provided with openings on the side and bottom, a plurality of fixing bolts are arranged around the bottom of the preheating mounting base, the bottom of the fixing bolt is connected and fixed with the corresponding threaded hole, the adjustable assembly is installed on the top of the preheating mounting base, the adjustable assembly comprises an adjusting ring seat and an adjusting ring plate, the adjusting ring seat is rotatably installed on the top of the preheating mounting base, the adjusting ring plate is provided with a plurality of groups and is rotatably arranged on one side of the adjusting ring seat, a plurality of arc-shaped grooves in circular array are arranged in the adjusting ring seat, a movable cylinder is arranged on the adjusting ring plate, the movable cylinder is slidably arranged in the arc-shaped groove, and the inside of the adjusting ring plate is connected with the top of the heating plate.

[0008] Preferably, a worm gear is fixedly arranged on the outside of the adjusting ring seat in the preheating mounting base, a worm is drivingly connected on the outside of the worm gear, the worm is rotatably arranged in the preheating mounting base, and an adjusting motor is arranged at one end of the worm.

[0009] Preferably, an air inlet channel is arranged on the side away from the opening of the preheating mounting base, a filter element is arranged at the front end of the air inlet channel, and a small fan is arranged at the rear end.

[0010] Preferably, the double-sided heating assembly comprises a fixed seat, two groups of heating blocks, sliding blocks and a driving motor, the fixed seat is provided with heating channels on both sides, the heating channels pass through first polar plates, second polar plates, first diaphragms or second diaphragms, two groups of the heating blocks are symmetrically arranged on both sides of the heating channels, the upper and lower ends of the two groups of heating blocks are fixedly connected with the sliding blocks, a plurality of fixing bolts are symmetrically arranged on both sides of the heating channels at the bottom of the fixed seat, the bottom of the fixing bolt is connected and fixed with the corresponding threaded hole, the sliding blocks above the two groups of heating blocks are both penetratingly provided with a screw rod through threaded transmission, the two groups of screw rods are connected through transmission pulleys, the two ends of the two groups of screw rods are rotatably connected with the inside of the fixed seat through bearing seats, the driving motor is installed in the fixed seat, the output end of the driving motor is provided with an output pulley, and the output pulley and the transmission pulley are drivingly connected through a transmission belt.

[0011] Preferably, two groups of limiting grooves are arranged in the inside of the fixed seat on both sides, the sliding blocks at the lower end of the two groups of heating blocks are movably arranged in the limiting grooves, the threads of one group of the screw rods are counterclockwise, and the threads of the other group of the screw rods are clockwise.

[0012] Preferably, photoelectric sensors are arranged on one side of the first polar plates, the second polar plates, the first diaphragms or the second diaphragms in the double-sided heating assembly and the preheating assembly.

[0013] In conclusion, the utility model has the following beneficial effects: the utility model discloses through the selective increase preheating assembly and double -sided heating assembly between the first diaphragm and the second diaphragm between the unwinding roller and the roller, the distance between heating plate and heating block and diaphragm is controlled, and the heating effect of the whole is adjusted, and the temperature is accurately controlled, the contractility of the diaphragm is effectively controlled, the positive and negative pole piece short circuit risk caused by the excessive contraction of the diaphragm is greatly reduced, and the overall safety performance of the battery cell is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the structure schematic diagram of the utility model;

[0015] Fig. 2 It is the preheating assembly structure schematic diagram of the utility model;

[0016] Fig. 3 It is the preheating assembly installation structure schematic diagram of the utility model;

[0017] Fig. 4 It is the double -sided heating assembly installation structure schematic diagram of the utility model. DETAILED DESCRIPTION

[0018] The specific embodiment of the utility model is further explained in combination with the drawings, and the embodiment does not constitute the limitation of the utility model.

[0019] As Figs. 1 to 4 The utility model discloses a kind of winding online diaphragm heating devices, including mounting plate 1, mounting plate 1 is provided with four groups of unwinding roller 2 and a group of winding roller 3, two groups of rollers 4 are provided between each group of unwinding roller 2 and winding roller 3, first diaphragm and second diaphragm are arranged on the first pole piece, the second pole piece, the first diaphragm and the second diaphragm of four groups of unwinding roller 2 respectively, double-sided heating assembly is symmetrically arranged on the upper and lower sides of the first pole piece, the second pole piece, the first diaphragm and the second diaphragm between adjacent rollers 4, preheating assembly is installed on the outside of four groups of unwinding roller 2, and double-sided heating assembly and preheating assembly are installed on mounting plate 1.

[0020] Corresponding double-sided heating assembly and preheating assembly are set on mounting plate 1 Multiple groups of threaded holes 5, and the bottom of double-sided heating assembly and preheating assembly is connected and fixed with mounting plate 1 by threaded hole 5.

[0021] The preheating assembly comprises a preheating mounting base 6, an adjustable assembly and a heating plate 7. The preheating mounting base 6 is provided with openings on the side and bottom. A plurality of fixing bolts 8 are arranged around the bottom of the preheating mounting base 6. The bottom of the fixing bolt 8 is connected and fixed with the corresponding threaded hole 5. The adjustable assembly is installed on the top of the preheating mounting base 6. The adjustable assembly comprises an adjusting ring seat 9 and an adjusting ring plate 10. The adjusting ring seat 9 is rotatably installed on the top of the preheating mounting base 6. The adjusting ring plate 10 is provided with a plurality of groups and is rotatably arranged on one side of the adjusting ring seat 9. A plurality of arc-shaped grooves 11 are arranged in the adjusting ring seat 9 in a circular array. A movable cylinder 12 is arranged on the adjusting ring plate 10 and is slidably arranged in the arc-shaped groove 11. The inside of the adjusting ring plate 10 is vertically connected with the top of the heating plate 7.

[0022] A worm gear 13 is fixedly arranged on the outside of the adjusting ring seat 9 in the preheating mounting base 6. A worm shaft 14 is drivingly connected on the outside of the worm gear 13. The worm shaft 14 is rotatably arranged in the preheating mounting base 6. The worm shaft 14 is provided with an adjusting motor 15 at one end.

[0023] An air inlet channel 16 is arranged at the opening away from the side of the preheating mounting base 6. A filter element 17 is arranged at the front end of the air inlet channel 16. A small fan 18 is arranged at the rear end of the air inlet channel 16.

[0024] The double-sided heating assembly comprises a fixed seat 19, two groups of heating blocks 20, sliding blocks 21 and a driving motor 22. The fixed seat 19 is provided with heating channels 23 on both sides. The heating channels 23 pass through first and second polar plates and first and second diaphragms. The two groups of heating blocks 20 are symmetrically arranged on both sides of the heating channels 23. The two groups of heating blocks 20 are fixedly connected with the sliding blocks 21 at the upper and lower ends. A plurality of fixing bolts 8 are symmetrically arranged on both sides of the heating channels 23 at the bottom of the fixed seat 19. The bottom of the fixing bolt 8 is connected and fixed with the corresponding threaded hole 5. The sliding blocks 21 above the two groups of heating blocks 20 are both provided with a screw rod 24 through threaded transmission. The two groups of screw rods 24 are connected through transmission pulleys 25. The two ends of the two groups of screw rods 24 are rotatably connected with the inside of the fixed seat 19 through bearing seats. The driving motor 22 is installed in the fixed seat 19. The output end of the driving motor 22 is provided with an output pulley 26. The output pulley 26 is drivingly connected with the transmission pulley 25 through a transmission belt.

[0025] Two groups of limiting grooves 27 are arranged in the inside of the fixed seat 19 at the bottom on both sides. The sliding blocks 21 at the lower end of the two groups of heating blocks 20 are movably arranged in the limiting grooves 27. The threads of one group of screw rods 24 are counterclockwise. The threads of the other group of screw rods 24 are clockwise.

[0026] The double-sided heating assembly and the pre-heating assembly are provided with photoelectric sensors on one side of the first pole piece, the second pole piece, the first diaphragm or the second diaphragm, the movement of the first pole piece, the second pole piece, the first diaphragm or the second diaphragm can be detected through the photoelectric sensors, whether the corresponding double-sided heating assembly and pre-heating assembly are started can be judged, and energy can be saved.

[0027] The utility model discloses a selective increase preheating assembly and double -sided heating assembly between the first diaphragm and the second diaphragm between the unwinding roller and the over roller, the distance between the heating plate and the heating block and the diaphragm is controlled to adjust the overall heating effect, and the temperature is accurately controlled, the shrinkability of the diaphragm is effectively controlled, the positive and negative pole piece short circuit risk caused by the excessive shrinkage of the diaphragm is greatly reduced, and the overall safety performance of the battery cell is improved.

[0028] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and various modifications or equivalent replacements of the utility model can be made by the person skilled in the art within the utility model's essence and protection scope, and the modification or equivalent replacement should also be regarded as falling within the protection scope of the utility model's technical scheme.

Claims

1. A wound online diaphragm heating device, characterized in that, The device includes a mounting plate on which four sets of unwinding rollers and one set of winding rollers are arranged. Two sets of guide rollers are arranged between each set of unwinding rollers and winding rollers. A first electrode, a second electrode, a first diaphragm, and a second diaphragm are respectively unwound on the four sets of unwinding rollers. Double-sided heating components are symmetrically arranged on the upper and lower sides of the first electrode, second electrode, first diaphragm, and second diaphragm between adjacent guide rollers. A preheating component is installed on the outside of the four sets of unwinding rollers. Both the double-sided heating component and the preheating component are mounted on the mounting plate.

2. The online diaphragm heating device according to claim 1, characterized in that: The mounting plate has multiple sets of threaded holes corresponding to the double-sided heating component and the preheating component. The bottom of the double-sided heating component and the preheating component are connected and fixed to the mounting plate through the threaded holes.

3. The online diaphragm heating device according to claim 2, characterized in that: The preheating assembly includes a preheating mounting base, an adjustable component, and a heating plate. The preheating mounting base has openings on its side and bottom. Multiple sets of fixing bolts are arranged around the bottom of the preheating mounting base, and the bottom of the fixing bolts is connected and fixed to the corresponding threaded holes. The adjustable component is installed inside the top of the preheating mounting base. The adjustable component includes an adjusting ring seat and an adjusting ring plate. The adjusting ring seat is rotatably installed inside the top of the preheating mounting base. Multiple sets of adjusting ring plates are arranged in a rotationally symmetrical manner on one side of the adjusting ring seat. Multiple sets of circularly arranged arc-shaped grooves are opened inside the adjusting ring seat. A movable cylinder is provided on the adjusting ring plate, and the movable cylinder is slidably arranged in the arc-shaped groove. The inner side of the adjusting ring plate is perpendicularly connected to the top of the heating plate.

4. The online diaphragm heating device according to claim 3, characterized in that: A worm gear is fixedly installed on the outer side of the adjusting ring seat inside the preheating mounting base. A worm is drivenly connected to the outer side of the worm gear. The worm is rotatably installed inside the preheating mounting base, and an adjusting motor is installed at one end of the worm.

5. The online diaphragm heating device according to claim 3, characterized in that: The preheating mounting base has an air inlet channel located away from the side opening. A filter element is installed at the front end of the air inlet channel, and a small fan is installed at the rear end.

6. The online diaphragm heating device according to claim 1, characterized in that: The double-sided heating assembly includes a fixed base, two sets of heating blocks, a slider, and a drive motor. Heating channels are provided on both sides of the fixed base, through which a first electrode, a second electrode, and a first or second diaphragm pass. The two sets of heating blocks are symmetrically arranged on both sides of the heating channels, with both ends of the two sets of heating blocks fixedly connected to the slider. Multiple sets of fixing bolts are symmetrically arranged on both sides of the heating channels at the bottom of the fixed base, with the bottom of each fixing bolt connected to a corresponding threaded hole. A screw is threaded through the slider above each set of heating blocks, and the two sets of screws are connected by a transmission pulley. Both ends of the two sets of screws are rotatably connected to the interior of the fixed base via bearing seats. The drive motor is installed inside the fixed base, and an output pulley is provided at the output end of the drive motor. The output pulley and the transmission pulley are connected by a transmission belt.

7. The online diaphragm heating device according to claim 6, characterized in that: Two sets of limiting grooves are provided on both sides of the bottom of the fixed base. The sliders at the lower ends of the two sets of heating blocks move within the limiting grooves. One set of screw threads is set counterclockwise, and the other set of screw threads is set clockwise.

8. The online diaphragm heating device according to claim 1, characterized in that: A photoelectric sensor is provided on one side of the first electrode, the second electrode, the first diaphragm, or the second diaphragm within the double-sided heating assembly and the preheating assembly.

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