Unwinding device for isolating membrane processing

The bidirectional lead screw and worm gear transmission mechanism driven by a servo motor solves the problem that the existing unwinding device cannot adapt to various widths of isolation membranes, and achieves the applicability and unwinding accuracy of lithium-ion battery cells of multiple specifications.

CN223372323UActive Publication Date: 2025-09-23HEBEI XINRONGQUAN TECH CO LTD
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Patent Information

Application Number
CN202422301724.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-20
Publication Date
2025-09-23
Estimated Expiration
2034-09-20

AI Technical Summary

Technical Problem

The existing unwinding device for processing separators cannot adapt to separators of various widths, making it difficult to meet the use requirements of lithium-ion batteries of various specifications.

Method used

It adopts a bidirectional screw system and worm gear transmission mechanism driven by a servo motor. The servo motor drives the driving gear and the driven gear to engage to adjust the width of the unwinding roller, and the self-locking property of the worm gear prevents reverse rotation, so that the unwinding of isolation films of various widths can be achieved.

Benefits of technology

It realizes accurate unwinding of separators of various widths, meets the use requirements of lithium-ion batteries of various specifications, and improves the applicability and accuracy of the unwinding device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an unreeling device for isolating membrane processing, which comprises an unreeling roller, an adjusting mechanism is arranged in the unreeling roller, the adjusting mechanism comprises a servo motor, a driving gear, a two-way screw rod and a driven gear, adjusting arms are arranged at two ends of the two-way screw rod, a plurality of sliding chutes are arranged at two ends of the unreeling roller, and the two ends of the two-way screw rod are connected with the servo motor. A limiting mechanism is arranged on one side of the adjusting mechanism, and a driving mechanism is arranged at one end of the unwinding roller. A servo motor is arranged, the servo motor drives a driven gear to rotate through a driving gear, a transmission gear drives a two-way lead screw to rotate, under the limiting effect of a limiting frame, the two-way lead screw drives adjusting arms at the two ends to be close to or away from each other, and therefore a supporting arm is driven to move, and the unwinding width of an isolating membrane is adjusted under the shielding effect of a plurality of pulleys; the isolating membrane unwinding device can be used for unwinding isolating membranes with various widths, so that the unwinding device for processing the isolating membranes can be used for lithium ion battery cells with various specifications.
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Description

Technical Field

[0001] The utility model relates to the technical field of isolation film processing, in particular to an unwinding device for isolation film processing. Background Art

[0002] The separator is mainly used in the processing of lithium-ion batteries. The separator is particularly important in the processing of lithium-ion batteries. The separator is the core material to ensure the safe and stable operation of lithium-ion batteries. In the processing of the separator, a rewinding device is usually required to unwind the separator, which facilitates the use of the separator.

[0003] In the prior art, the Chinese utility model patent with authorization announcement number CN 218201348 U discloses a reeling device for processing an isolation film, including a side plate, a motor is provided on the left side of the side plate, and a reeling mechanism is provided on the right side of the motor, and the outside of the reeling mechanism is connected to the isolation film, an adjusting roller is provided on the right side of the reeling mechanism, and a positioning roller is provided on the right side of the adjusting roller, and a limiting roller is provided on the right side of the positioning roller, an adjusting roller shaft is inserted into the interior of the adjusting roller, and a clamping mechanism is provided below the adjusting roller shaft, and an adjusting mechanism is provided below the clamping mechanism. The reeling device for processing the isolation film adjusts the position of the support plate, so that the position of the tension adjusting roller is fixed, the tension of the isolation film is adjusted, and the subsequent production and processing of the isolation film is facilitated.

[0004] Compared with the existing technology, there are problems: some existing unwinding devices for processing isolation membranes cannot unwind isolation membranes of various widths during the unwinding process, making it difficult for the unwinding devices for processing isolation membranes to meet the needs of lithium-ion batteries of various specifications.

[0005] Therefore, there is an urgent need for a release film processing unwinding device. Utility Model Content

[0006] The purpose of the utility model is to overcome the deficiencies of the prior art and provide an unwinding device for processing an isolation film.

[0007] The utility model solves its technical problem through the following technical solutions: it includes a unwinding roller, an adjustment mechanism is provided inside the unwinding roller, the adjustment mechanism includes a servo motor, the servo motor is fixed to the inner wall of the unwinding roller by bolts, the rotating end of the servo motor is provided with a driving gear, a bidirectional screw rod is provided in the middle position of the unwinding roller, a driven gear is provided in the middle position of the bidirectional screw rod, the driving gear is meshed with the driven gear, adjustment arms are provided at both ends of the bidirectional screw rod, a plurality of slide grooves are provided at both ends of the unwinding roller, a limiting mechanism is provided on one side of the adjustment mechanism, and a driving mechanism is provided at one end of the unwinding roller.

[0008] As a further solution of the present invention: the limiting mechanism includes a support arm, which is fixed to one end of the adjusting arm by a bolt, a retaining ring is provided at one end of the support arm, a plurality of notches are provided in the middle position of the retaining ring, and a plurality of pulleys are provided on one side of the notch.

[0009] As a further solution of the present invention: the driving mechanism includes a driving shaft, which is fixed to one end of the unwinding roller by bolts, a worm gear is provided at one end of the driving shaft, a driving box is provided on the outside of the driving shaft, a driving motor is provided on the outer wall of the driving box, a worm is provided at the rotating end of the driving motor, and the worm gear is connected to the worm gear.

[0010] As a further solution of the present invention: limit frames are provided at both ends of the unwinding roller, and the adjustment arm is slidably connected to the limit frames.

[0011] As a further solution of the present invention: an inspection door is provided at one end of the drive box.

[0012] As a further solution of the present invention: a hydraulic rod is provided below the driving box, and a base is provided at one end of the hydraulic rod.

[0013] As a further solution of the present invention: a plurality of telescopic rods are provided on the outer side of the hydraulic rod.

[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0015] 1. A servo motor is provided, which drives the driven gear to rotate through the driving gear, and the transmission gear drives the bidirectional lead screw to rotate. Under the limiting action of the limit frame, the bidirectional lead screw drives the adjustment arms at both ends to move closer or farther from each other, thereby driving the support arm to move. Under the shielding action of multiple pulleys, the unwinding width of the separator film is adjusted. The separator film unwinding device can unwind separator films of various widths, so that the separator film processing unwinding device can meet the use of lithium-ion battery cells of various specifications;

[0016] 2. A driving motor is provided, which drives the worm to rotate, and the worm drives the worm wheel to rotate, thereby driving the unwinding roller to rotate through the driving shaft. Since the worm wheel and the worm are self-locking, the unwinding roller can be prevented from reversing, thereby ensuring the unwinding accuracy of the unwinding roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Shows an isometric structural diagram provided according to an embodiment of the present utility model;

[0018] Figure 2 It shows a schematic diagram of a front cross-sectional structure provided according to an embodiment of the utility model;

[0019] Figure 3 Shown is a diagram according to an embodiment of the present invention. Figure 2 A schematic diagram of the partially enlarged structure at center A;

[0020] Figure 4 Shown is a diagram according to an embodiment of the present invention. Figure 2 Schematic diagram of the locally enlarged structure at point B in the middle.

[0021] Legend:

[0022] 100. Unwinding roller; 110. Limiting frame; 120. Inspection door; 130. Hydraulic rod; 140. Base; 150. Telescopic rod; 101. Servo motor; 102. Driving gear; 103. Bidirectional lead screw; 104. Driven gear; 105. Adjusting arm; 106. Slide; 201. Support arm; 202. Retaining ring; 203. Notch; 204. Pulley; 301. Drive shaft; 302. Worm gear; 303. Drive box; 304. Drive motor; 305. Worm. DETAILED DESCRIPTION

[0023] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0024] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0025] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0026] Example 1:

[0027] like Figure 1-4As shown, a rewinding device for processing an isolation film includes a rewinding roller 100. An adjustment mechanism is provided inside the rewinding roller 100. The adjustment mechanism includes a servo motor 101. The servo motor 101 is fixed to the inner wall of the rewinding roller 100 by bolts. The rotating end of the servo motor 101 is fixed with a driving gear 102 by bolts. The middle position of the rewinding roller 100 is rotatably connected to a bidirectional screw rod 103. The middle position of the bidirectional screw rod 103 is fixed with a driven gear 104 by bolts. The driving gear 102 is meshed with the driven gear 104. The two ends of the bidirectional screw rod 103 are transmission-connected to the adjustment arm. 105, a plurality of slide grooves 106 are cut at both ends of the unwinding roller 100, and a limiting frame 110 is fixed to both ends of the unwinding roller 100 by bolts, and the adjusting arm 105 is slidably connected to the limiting frame 110, and a limiting mechanism is provided on one side of the adjusting mechanism, and a driving mechanism is provided at one end of the unwinding roller 100, and the limiting mechanism includes a support arm 201, and the support arm 201 is fixed to one end of the adjusting arm 105 by bolts, and a retaining ring 202 is welded at one end of the support arm 201, and a plurality of notches 203 are cut in the middle position of the retaining ring 202, and a plurality of pulleys 204 are rotatably connected to one side of the notch 203.

[0028] In this embodiment, a servo motor 101 is provided, and the servo motor 101 drives the driven gear 104 to rotate through the driving gear 102, and the transmission gear 104 drives the bidirectional screw 103 to rotate. Under the limiting action of the limit frame 110, the bidirectional screw 103 drives the adjusting arms 105 at both ends to move closer to or away from each other, thereby driving the support arm 201 to move, and the isolation film unwinding width is adjusted under the shielding action of multiple pulleys 204. The isolation film unwinding device can unwind isolation films of various widths, so that the unwinding device for isolation film processing can meet the use of lithium-ion batteries of various specifications.

[0029] Example 2:

[0030] like Figure 1-4 As shown, a rewinding device for processing an isolation film, the driving mechanism includes a driving shaft 301, the driving shaft 301 is fixed to one end of the rewinding roller 100 by bolts, and a worm gear 302 is fixed to one end of the driving shaft 301 by bolts, the outer side of the driving shaft 301 is rotatably connected to a driving box 303, and one end of the driving box 303 is rotatably connected to an inspection door 120, and the outer wall of the driving box 303 is fixed to a driving motor 304 by bolts, and a hydraulic rod 130 is fixed to the bottom of the driving box 303 by bolts, and one end of the hydraulic rod 130 is fixed to a base 140 by bolts, and the rotating end of the driving motor 304 is fixed to a worm 305 by bolts, and the worm gear 302 is transmission-connected to the worm 305, and a plurality of telescopic rods 150 are fixed to the outer side of the hydraulic rod 130 by bolts.

[0031] In this embodiment, a driving motor 304 is provided, which drives the worm 305 to rotate, and the worm 305 drives the worm wheel 302 to rotate, thereby driving the unwinding roller 100 to rotate through the driving shaft 301. Since the worm wheel 302 and the worm 305 are self-locking, the unwinding roller 100 can be prevented from reversing, thereby ensuring the unwinding accuracy of the unwinding roller 100.

[0032] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A release film processing unwinding device, characterized in that: The invention comprises a reel (100), wherein an adjustment mechanism is provided inside the reel (100), wherein the adjustment mechanism comprises a servo motor (101), wherein the servo motor (101) is fixed to the inner wall of the reel (100) by bolts, wherein a driving gear (102) is provided at the rotating end of the servo motor (101), wherein a bidirectional screw rod (103) is provided at the middle position of the reel (100), wherein a driven gear (104) is provided at the middle position of the bidirectional screw rod (103), wherein the driving gear (102) is meshed with the driven gear (104), wherein adjustment arms (105) are provided at both ends of the bidirectional screw rod (103), wherein a plurality of slide grooves (106) are provided at both ends of the reel (100), wherein a limiting mechanism is provided on one side of the adjustment mechanism, and wherein a driving mechanism is provided at one end of the reel (100).

2. The unwinding device for separator processing according to claim 1, characterized in that: The limiting mechanism comprises a support arm (201), wherein the support arm (201) is fixed to one end of the regulating arm (105) by means of a bolt, a retaining ring (202) is provided at one end of the support arm (201), a plurality of notches (203) are provided in the middle of the retaining ring (202), and a plurality of pulleys (204) are provided on one side of the notch (203).

3. The unwinding device for separator processing according to claim 2, characterized in that: The driving mechanism comprises a driving shaft (301), wherein the driving shaft (301) is fixed to one end of the unwinding roller (100) by means of bolts, a worm gear (302) is provided at one end of the driving shaft (301), a driving box (303) is provided on the outer side of the driving shaft (301), a driving motor (304) is provided on the outer wall of the driving box (303), a worm gear (305) is provided at the rotating end of the driving motor (304), and the worm gear (302) is transmission-connected to the worm gear (305).

4. The unwinding device for separator processing according to claim 1, characterized in that: Limiting frames (110) are provided at both ends of the unwinding roller (100), and the regulating arm (105) is slidably connected to the limiting frames (110).

5. The unwinding device for separator processing according to claim 3, characterized in that: An inspection door (120) is provided at one end of the drive box (303).

6. The unwinding device for separator processing according to claim 3, characterized in that: A hydraulic rod (130) is provided below the driving box (303), and a base (140) is provided at one end of the hydraulic rod (130).

7. The unwinding device for separator processing according to claim 6, characterized in that: A plurality of telescopic rods (150) are provided on the outer side of the hydraulic rod (130).

Citation Information

Patent Citations

  • Unwinding device for isolating membrane processing

    CN218201348U