Quick release type pole roll winding drum

Abstract

The utility model relates to the technical field of battery production, and provides a quick release type pole roll winding drum which comprises a winding drum, a sleeve and a pole roll, the sleeve is arranged on the outer side of the winding drum in a sleeving mode and detachably connected with the sleeve, and the sleeve has deformation quantity; the pole roll is wound to the outer side of the sleeve; a notch is formed in the sleeve, and the sleeve is deformed by pressing the position of the notch, so that the pole roll is separated from the sleeve; according to the quick release type pole roll winding drum, the position of the notch is pressed, so that the sleeve can deform at the position, the pole roll and the sleeve which are originally tightly attached are loosened, then easy separation is achieved, the winding drum is prevented from being damaged by cutting, and therefore the working efficiency and safety are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery production technical field especially relates to a quick detachable pole roll winding drum. BACKGROUND

[0002] The pole roll winding drum is a cylindrical device for winding battery pole pieces; in the production and manufacturing process of lithium batteries, the pole pieces are formed after the foil is coated with paste and then subjected to drying, slitting and other processes; these pole pieces need to be wound in an orderly manner in the subsequent production process for storage and transportation, and the pole roll winding drum is a key component that undertakes this task.

[0003] A pole roll winding drum with a heat-conducting winding drum core and a heating device for heating the heat-conducting winding drum core is disclosed in CN210220606U, the winding surface of the heat-conducting winding drum core is provided with a pole roll groove, the width of the pole roll groove is the same as the width of the pole roll, and the depth of the pole roll groove is greater than the thickness of the pole roll, and the heating device is arranged inside the heat-conducting winding drum core.

[0004] At present, the remaining material of the tail roll after winding needs to be removed, and a small knife is usually used for cutting and removing, which is time-consuming and laborious, and also easy to produce dust and damage the winding drum during cutting, thereby reducing the work efficiency and safety. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a quick detachable pole roll winding drum, which can change the diameter by using the sleeve, so that the remaining pole pieces can easily fall off the sleeve, avoid damage to the winding drum caused by cutting, and improve the work efficiency and safety.

[0006] The technical scheme of the utility model is implemented as follows: the utility model provides a quick detachable pole roll winding drum, which comprises a winding drum, a sleeve and a pole roll,

[0007] The sleeve is sleeved on the outer side of the winding drum and detachably connected with the sleeve, and the sleeve has a deformation amount.

[0008] The pole roll is wound to the outer side of the sleeve.

[0009] A cutout is formed in the sleeve, the sleeve is deformed by pressing the cutout position, and the pole roll is separated from the sleeve.

[0010] On the basis of the above technical scheme, preferably, the inner wall of the sleeve and the outer wall of the winding drum are gap-fitted.

[0011] On the basis of the above technical scheme, preferably, the length of the sleeve is greater than the width of the pole roll.

[0012] On the basis of the above technical scheme, preferably, a plurality of thread grooves are formed on the outer side of the winding drum, a plurality of thread holes are formed on the outer side of the sleeve, the positions of the thread grooves and the thread holes are one-to-one corresponding, and a fixing screw penetrating through the thread hole and extending into the thread groove is threadedly connected in the thread hole, for fixing the sleeve and the winding drum.

[0013] On the basis of the above technical scheme, preferably, the plurality of thread grooves are arranged in a ring array around the axis of the winding drum.

[0014] On the basis of the above technical scheme, preferably, the cross section of the notch is arranged as an inclined surface, the two end surfaces of the notch abut against each other, the notch is arranged in position corresponding to one of the thread grooves, and one end of the fixing screw penetrates through the notch and is threadedly connected into the thread groove, for fixing the notch.

[0015] On the basis of the above technical scheme, preferably, the cross section of the thread hole is in the shape of an isosceles trapezoid, and the cross section shape of the head of the fixing screw matches the inner contour of the cross section shape of the thread hole.

[0016] On the basis of the above technical scheme, preferably, the handle is fixed on the end surface of the sleeve and arranged close to the notch, for facilitating the application of pressure to the notch of the sleeve.

[0017] On the basis of the above technical scheme, preferably, the number of handles is at least two, and the at least two handles are symmetrically arranged with respect to the vertical plane of the central axis of the notch.

[0018] On the basis of the above technical scheme, preferably, the thickness of the sleeve is 2-5 mm, and the sleeve is made of one of a metal material with hardness and plasticity or a plastic material.

[0019] The quick-release polar winding drum has the following beneficial effects compared with the prior art:

[0020] (1) By pressing the notch position, the sleeve is deformed at that position, so that the originally tightly fitted polar winding and the sleeve are loosened, and then easily separated, avoiding damage to the winding drum caused by cutting, thereby improving work efficiency and safety.

[0021] (2) The outer contour of the cross section shape of the fixing screw matches the inner contour of the cross section shape formed by the combination of the thread groove and the thread hole, so that the fixing screw can be completely fitted into the thread hole, avoiding the protruding fixing screw affecting the tight fit of the sleeve and the winding drum. BRIEF DESCRIPTION OF DRAWINGS

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model 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 utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a planar sectional view of the quick-release pole winding drum of this utility model;

[0024] Figure 2 This is a side view of the quick-release pole winding drum of this utility model;

[0025] Figure 3 This utility model relates to a quick-release pole winding spool. Figure 1 Enlarged view of a portion of point A in the middle;

[0026] Figure 4 This is a side view of the sleeve structure of the quick-release pole winding spool of this utility model. Detailed Implementation

[0027] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0028] like Figures 1-4 As shown, this utility model discloses a quick-release pole roll spool, comprising a spool 1, a sleeve 2, and a pole roll 3. The sleeve 2 is sleeved on the outside of the spool 1 and is detachably connected to the sleeve 2, and the sleeve 2 has a deformation capacity. The pole roll 3 is wound to the outside of the sleeve 2. A slit 200 is provided on the sleeve 2. Pressing the slit 200 causes the sleeve 2 to deform, thereby separating the pole roll 3 from the sleeve 2.

[0029] It should be noted that, through the cut 200 on the sleeve 2, when it is necessary to disassemble the pole roll 3, simply press the cut 200 position to cause the sleeve 2 to deform at that point, causing the pole roll 3, which was originally tightly fitted, to loosen and thus achieve easy separation, avoiding damage to the roll caused by cutting, thereby improving work efficiency and safety.

[0030] In this embodiment, the inner wall of the sleeve 2 and the outer wall of the drum 1 are fitted with a clearance.

[0031] Need to explain, gap fit makes sleeve 2 and drum 1 between the installation is more easy, reduce the assembly difficulty.

[0032] The length of the sleeve 2 in the embodiment is greater than the width of the pole winding 3.

[0033] Need to explain, because the length of the sleeve 2 is greater than the width of the pole winding 3, the pole winding 3 can get better support and fixation in the winding process, at the same time, when disassembling the pole winding 3, the user can leave enough space on both sides of the sleeve 2 to operate, so that the disassembly process is more smooth, reduces the disassembly difficulty caused by insufficient operation space.

[0034] The outer side of the drum 1 in the embodiment is provided with a plurality of threaded grooves 100, the outer side of the sleeve 2 is provided with a plurality of threaded holes 210, the positions of the threaded grooves 100 and the threaded holes 210 are one-to-one corresponding, the threaded holes 210 are threadedly connected with the fixing screws 4 penetrating and extending into the threaded grooves 100, for fixing the sleeve 2 and the drum 1.

[0035] Need to explain, through the fixing screw 4, the sleeve 2 and the drum 1 are tightly and firmly connected together, so that the sleeve 2 can rotate with the drum 1 to perform the unwinding operation.

[0036] The plurality of threaded grooves 100 in the embodiment are arranged in a ring shape around the axis of the drum 1.

[0037] Need to explain, the threaded grooves 100 arranged in a ring shape can make the structure connection of the sleeve 2 and the drum 1 more stable.

[0038] The cross section of the notch 200 in the embodiment is arranged in an inclined surface, the two end surfaces of the notch 200 abut, and the notch 200 is arranged in position corresponding to one of the threaded grooves 100, one end of the fixing screw 4 penetrates the notch 200 and is threadedly connected into the threaded groove 100, fixing the notch 200.

[0039] The cross section of the threaded hole 210 in the embodiment is in the shape of an isosceles trapezoid, and the cross section of the fixing screw 4 is in the shape of an isosceles trapezoid, and the outer contour of the cross section of the fixing screw 4 matches the inner contour of the cross section of the threaded hole 210.

[0040] Need to explain, the fixing screw 4 passes through the threaded hole 210 and matches the cross section shape formed by the combination of the threaded hole 210 and the threaded groove 100, so that the fixing screw 4 is fitted into the threaded hole 210, avoiding the fixing screw 4 protruding to affect the close fit of the sleeve 2 and the drum 1.

[0041] The embodiment further includes a handle 5, the handle 5 is fixed on the end surface of the sleeve 2, and is arranged close to the notch 200, for facilitating the application of pressure to the notch 200 of the sleeve 2.

[0042] The number of the handles 5 is at least two, and the at least two handles 5 are symmetrically arranged in the vertical plane of the central axis of the cutout 200.

[0043] It should be noted that the user can more effectively transmit the force to the cutout 200 through the handle 5, and facilitate the pressing to deform the cutout 200 of the bobbin 2, so that the inner diameter of the bobbin 2 is reduced.

[0044] The thickness of the sleeve 2 in the embodiment is 2-5 mm, and the sleeve 2 is one of metal materials with hardness and plasticity or plastic materials.

[0045] It should be noted that the material of the sleeve 2 in the embodiment is stainless steel material.

[0046] Working principle:

[0047] In use, the sleeve 2 is sleeved on the bobbin 1, and then the fixing screws 4 are inserted into the threaded grooves 100, so that the sleeve 2 is relatively fixed with the bobbin 1, and then the prepared pole piece is wound on the sleeve 2 in the die cutting process to form the pole roll 3, and after the next winding process is completed, the remaining tail part of the pole roll 3 needs to be removed.

[0048] All the fixing screws 4 are unscrewed, the sleeve 2 is separated from the bobbin 1, and then the sleeve 2 is taken off from the bobbin 1, and then the two handles 5 are overlapped by pressing down with both hands, so that the diameter of the sleeve 2 is reduced, the remaining tail part of the pole roll 3 is shaken off from the pole roll 3, and then the remaining tail part of the pole roll 3 is collected.

[0049] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A quick-release pole winding drum, characterized in that, It comprises a reel (1), a sleeve (2) and a pole winding (3), wherein, The sleeve (2) is sleeved on the outside of the reel (1) and is detachably connected with the sleeve (2), and the sleeve (2) has a deformation amount; The pole winding (3) is wound on the outside of the sleeve (2); The sleeve (2) is provided with a cutout (200), and the sleeve (2) is deformed by pressing the cutout (200) position, so that the pole winding (3) is separated from the sleeve (2).

2. The quick release core barrel of claim 1, wherein: The inner wall of the sleeve (2) and the outer wall of the reel (1) are gap fitted.

3. The quick release reel of claim 1, wherein: The length of the sleeve (2) is greater than the width of the pole winding (3).

4. The quick release reel of claim 1, wherein: The outside of the reel (1) is provided with a plurality of threaded grooves (100), and the outside of the sleeve (2) is provided with a plurality of threaded holes (210), the positions of the threaded grooves (100) and the threaded holes (210) are one-to-one corresponding, and the threaded holes (210) are threadedly connected with the fixing screws (4) penetrating and extending into the threaded grooves (100), for fixing the sleeve (2) and the reel (1).

5. The quick release core barrel of claim 4, wherein: The plurality of threaded grooves (100) are arranged in a ring array around the axis of the reel (1).

6. The quick release core barrel of claim 4, wherein: The cross section of the cutout (200) is arranged as an inclined surface, and the two end surfaces of the cutout (200) abut, and the cutout (200) is arranged corresponding to one of the threaded grooves (100), one end of the fixing screw (4) penetrates the cutout (200) and is threadedly connected into the threaded groove (100), and the cutout (200) is fixed.

7. The quick release core barrel of claim 6, wherein: The cross section shape of the threaded hole (210) is isosceles trapezoidal, and the cross section shape of the head of the fixing screw (4) is matched with the inner contour of the cross section shape of the threaded hole (210).

8. The quick release reel of claim 1, wherein: It also comprises a handle (5), which is fixed on the end surface of the sleeve (2) and is arranged near the cutout (200), for facilitating the application of pressure on the cutout (200) of the sleeve (2).

9. The quick release core barrel of claim 8, wherein: The number of the handle (5) is at least two, and the at least two handles (5) are symmetrically arranged with the vertical plane of the central axis of the cutout (200).

10. The quick release core barrel of claim 9, wherein: The thickness of the sleeve (2) is 2-5mm, and the sleeve (2) is one of metal material with hardness and plasticity or plastic material.

Images