CN218878849U

CN218878849U - Special automatic coil stripping mechanical shaft for lithium battery diaphragm edge folding

Info

Publication number: CN218878849U
Application number: CN202222657533.XU
Authority: CN
Inventors: 郭峰; 周兆锋; 王�华; 陈旭
Original assignee: Jiangsu Jinfeng Light Industrial Equipment Co ltd
Current assignee: Jiangsu Jinfeng Light Industrial Equipment Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-04-18
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a special automatic mechanical axis of unloading of lithium battery diaphragm receipts limit, include: the winding shaft assembly comprises a left wall plate, a right wall plate, a winding shaft and a plurality of arc-shaped mechanical shaft assemblies, wherein hollow ends are arranged at two ends of the winding shaft respectively, a supporting rib is arranged on the inner side of each arc-shaped mechanical shaft assembly, a plurality of connecting lugs matched with the supporting rib are arranged at the hollow ends respectively, each connecting lug is connected with the supporting rib matched with the corresponding connecting lug through a movable supporting sheet, one end of each movable supporting sheet is movably connected with the corresponding supporting rib through a first pin shaft, the other end of each movable supporting sheet is movably connected with the corresponding connecting lug through a second pin shaft, and the arc-shaped mechanical shaft assemblies and the supporting ribs are supported on the winding shaft through the movable supporting sheets matched with the arc-shaped mechanical shaft assemblies and the supporting ribs. The advantages are that: the automatic winding and unwinding device has the advantages of being capable of automatically unwinding, simple in operation, high in automation degree, capable of automatically tensioning the winding shaft during reel change, simple in structure and convenient to install.

Description

Special automatic coil stripping mechanical shaft for lithium battery diaphragm edge folding

Technical Field

The utility model relates to a lithium battery diaphragm receives limit machinery, especially relates to a lithium battery diaphragm receives limit and uses mechanical axis.

Background

With the rapid development of new energy technology, lithium batteries are increasingly applied, a lithium battery diaphragm is one of key inner layer components, the performance of the lithium battery diaphragm determines the interface structure, the internal resistance and the like of the lithium battery, the characteristics of the capacity, the cycle, the safety performance and the like of the battery are directly influenced, and the diaphragm with excellent performance has an important effect on improving the comprehensive performance of the battery. The separator has a main function of separating the positive electrode and the negative electrode of the battery to prevent short circuit due to contact between the two electrodes, and also has a function of allowing electrolyte ions to pass therethrough. The separator material is non-conductive, and the physical and chemical properties of the separator have a great influence on the performance of the battery. Lithium battery diaphragm can cut the rim charge that produces through cutting tool in order to guarantee product quality in process of production, in order to avoid these rim charges to cause the influence to normal production, need in step to get up these unified rolls of rim charge, will use when collecting the rim charge to the rim charge and receive the limit machine, is provided with the rolling axle on receiving the limit machine, and during the rolling, the drive arrangement in receiving the limit machine drives the rotation of rolling axle and carries out the rolling to lithium battery diaphragm rim charge.

The structure of the mechanical shaft of the existing edge folding machine generally comprises: the winding installation shaft, the left end of winding installation axle is connected with the drive arrangement on the receipts limit machine, and the cover is equipped with left mount pad and left chuck on winding installation axle left side, and the cover is equipped with right mount pad and right chuck on winding installation axle right side, sets up the screw thread on the right-hand member of winding installation axle and rather than the screw thread lock sleeve that mutually supports, is provided with a plurality of arc mechanical shaft subassembly between left mount pad and right mount pad, is provided with the brace rod in the inboard of arc mechanical shaft subassembly the fixed left brace rod and the right brace rod that is provided with on the winding installation axle between left side mount pad and the right mount pad are provided with a plurality of and brace rod mutually supporting engaging lug respectively on left brace rod and left brace rod, the lug is connected with its mutually engaging brace rod through the movable support piece, the one end of movable support piece is through round pin axle and brace rod swing joint, the other end of movable support piece is through round pin axle and lug swing joint, arc mechanical shaft subassembly, brace rod are supported on left brace rod and right brace rod through the support piece with its mutually engaging support piece swing joint.

During the use, screw up the screw thread lock sleeve, the left end of screw thread lock sleeve can offset with the right-hand member of right mount pad, thereby promote left chuck to the left side and prop up a plurality of arc mechanical shaft subassembly extrusion under the effect of movable support piece between left chuck and right chuck, make the mechanical shaft be in the state that rises and tightly, the back is accomplished in the rolling, loosen the screw thread lock sleeve, the left end of screw thread lock sleeve can with the right-hand member phase separation of right mount pad, thereby lift left chuck and left collar off, a plurality of arc mechanical shaft subassembly tightens up under the effect of movable support piece and gravity, the coil stock is followed the mechanical epaxial completion of falling and is unloaded.

Current receipts limit machine is when the rolling, when the continuous increase of lap change, generate pressure can directly exert pressure to both ends on left chuck and the right chuck through arc mechanical shaft subassembly, thereby can cause the rolling installation axle screw-thread fit of screw lock sleeve and left chuck one side to be more and more tight, hardly lift it off when unloading the book, it is inconvenient to unload the book, the force that arc mechanical shaft subassembly both ends were exerted pressure on left chuck and the right chuck is also uneven simultaneously, damage the chuck easily, the life and the stability of limit machine are received in the influence.

The existing edge folding machine needs manual coil unloading, is relatively troublesome to operate and has low automation degree.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a special automatic coil stripping mechanical shaft for lithium battery diaphragm edge folding.

In order to solve the technical problem, the utility model discloses a technical scheme be: lithium cell diaphragm receives special automatic mechanical axis of unloading in limit includes: the winding mechanism comprises a left wall plate, a right wall plate, a winding shaft and a plurality of arc-shaped mechanical shaft assemblies, wherein hollow ends are respectively arranged at two ends of the winding shaft, support ribs are arranged at the inner sides of the arc-shaped mechanical shaft assemblies, a plurality of connecting lugs matched with the support ribs are respectively arranged on the two hollow ends, the connecting lugs are connected with the support ribs matched with the connecting lugs through movable support sheets, one end of each movable support sheet is movably connected with the support ribs through a first pin shaft, the other end of each movable support sheet is movably connected with the connecting lugs through a second pin shaft, and the arc-shaped mechanical shaft assemblies and the support ribs are supported on the winding shaft through the movable support sheets matched with the arc-shaped mechanical shaft assemblies and the support ribs; the right side of the left wall plate is fixedly connected with a left conical top ring matched with the hollow end on the left side of the winding shaft, the left side of the right wall plate is fixedly connected with a right conical top ring matched with the hollow end on the right side of the winding shaft, the left wall plate is connected with a rotating shaft, the rotating shaft is connected with a driving device of an edge folding machine, and the right wall plate is connected with a rotary push-pull device; the rotary push-pull device can push the right wall plate and the right conical top ring to move leftwards, so that the right conical top ring penetrates into the hollow end of the right end of the winding shaft matched with the right wall plate to abut against the hollow end, meanwhile, the left conical top ring also penetrates into the hollow end of the left end of the winding shaft matched with the left conical top ring to abut against the hollow end, so that a plurality of arc-shaped mechanical shaft assemblies are supported and extruded between the right wall plate and the left wall plate, the automatic tensioning winding shaft is in a tensioning state, after winding is completed, the rotary push-pull device can pull the right wall plate and the right conical top ring back to move rightwards, the right conical top ring releases the abutment on the hollow end of the right end of the winding shaft, the left conical top ring can simultaneously release the abutment on the hollow end of the left end of the winding shaft, the winding shaft and a roll material on the winding shaft fall together, and automatic roll discharging is completed.

In order to better solve the technical problem, the utility model discloses a further technical scheme is: the rotation support device includes: and a hydraulic oil cylinder fixedly arranged on the frame of the edge folding machine, wherein an oil cylinder rod of the hydraulic oil cylinder penetrates through the frame of the edge folding machine to be fixedly connected with the right wall plate.

The utility model has the advantages that: the automatic winding and unwinding device has the advantages that the automatic winding and unwinding device can automatically unload a coil, is simple in operation and high in automation degree, can automatically tension a winding shaft during coil replacement, and is simple in structure and convenient to install.

Drawings

Fig. 1 is the structure schematic diagram of the special automatic coil stripping mechanical shaft for edge folding of the lithium battery diaphragm of the utility model.

In the figure: 11. the winding machine comprises a winding shaft, 12, an arc-shaped mechanical shaft assembly, 13, a hollow end, 14, a support rib, 15, a connecting lug, 16, a movable support sheet, 17, a first pin shaft, 18, a second pin shaft, 2, a left wall plate, 3, a right wall plate, 21, a left conical top ring, 3, a right wall plate, 31, a right conical top ring, 4, a rotating shaft, 5, a hydraulic oil cylinder, 51, an oil cylinder rod, 6 and a frame of the edge winding machine.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1, the special automatic coil stripping mechanical shaft for lithium battery diaphragm edge folding comprises: the winding device comprises a left wall plate 2, a right wall plate 3, a winding shaft 11 and a plurality of arc-shaped mechanical shaft assemblies 12, wherein hollow ends 13 are respectively arranged at two ends of the winding shaft 11, support ribs 14 are arranged at the inner sides of the arc-shaped mechanical shaft assemblies 12, a plurality of connecting lugs 15 which are matched with the support ribs 14 are respectively arranged on the two hollow ends 13, the connecting lugs 15 are connected with the support ribs 14 which are matched with the connecting lugs through movable support sheets 16, one ends of the movable support sheets 16 are movably connected with the support ribs 14 through first pin shafts 17, the other ends of the movable support sheets 16 are movably connected with the connecting lugs 15 through second pin shafts 18, and the arc-shaped mechanical shaft assemblies 12 and the support ribs 14 are supported on the winding shaft 11 through the movable support sheets 16 which are matched with the arc-shaped mechanical shaft assemblies; a left conical top ring 21 matched with the hollow end 13 on the left side of the winding shaft 11 is fixedly connected to the right side of the left wall plate 2, a right conical top ring 31 matched with the hollow end 13 on the right side of the winding shaft 11 is fixedly connected to the left side of the right wall plate 3, the left wall plate 2 is connected with a rotating shaft 4, the rotating shaft 4 is connected with a driving device of an edge folding machine, and the right wall plate 3 is connected with a rotary push-pull device; the rotary push-pull device can push the right wall plate 3 and the right conical top ring 31 to move leftwards, so that the right conical top ring 31 penetrates into the hollow end 13 at the right end of the winding shaft 11 matched with the rotary push-pull device to be abutted, meanwhile, the left conical top ring 21 also penetrates into the hollow end 13 at the left end of the winding shaft 11 matched with the rotary push-pull device to be abutted, so that a plurality of arc-shaped mechanical shaft assemblies 12 are supported and extruded between the right wall plate 3 and the left wall plate 2, the automatic tensioning winding shaft is in a tensioning state, after the winding is completed, the rotary push-pull device can pull the right wall plate 3 and the right conical top ring 31 back to move rightwards, the right conical top ring 31 releases the abutment on the hollow end 13 at the right end of the winding shaft 11, the left conical top ring 21 can simultaneously release the abutment on the hollow end 13 at the left end of the winding shaft 11, the winding shaft 11 and a coil stock on the winding shaft 11 fall together, and automatic coil unloading is completed.

As shown in fig. 1, in the present embodiment, the rotation supporting means includes: and a hydraulic oil cylinder 5 fixedly arranged on the edge folding machine frame 6, wherein an oil cylinder rod 51 of the hydraulic oil cylinder 5 penetrates through the edge folding machine frame 6 to be fixedly connected with the right wall plate 3.

This patent lithium battery diaphragm is received special automatic mechanical axle that unloads in limit and is used, the hydro-cylinder pole 51 through receiving controlling means control hydraulic cylinder 5 on the limit machine stretches out, hydro-cylinder pole 51 promotes right wallboard 3 and right toper top ring 31 and moves left, make right toper top ring 31 deepen withstand it in the hollow end 13 of 11 right-hand members of rolling axle rather than mutually supporting, and simultaneously, left side toper top ring 21 also deepens withstand it in the hollow end 13 of 11 left ends of rolling axle rather than mutually supporting, thereby prop up a plurality of arc-shaped mechanical axle subassembly 12 and extrude and make automatic mechanical axle that unloads be in the tight state that rises between right wallboard 3 and left wallboard 2, accomplish the installation of automatic mechanical axle that unloads. Through the controlling means control that receives on the limit machine drive arrangement work of receiving the limit machine, rotation axis 4 drives left wallboard 2, right wallboard 3 and the automatic mechanical axle of unloading a roll between left wallboard 2 and the right wallboard 3, hydro-cylinder rod 51 and rotates together, carries out the rolling operation.

After the winding is finished, the oil cylinder rod 51 of the hydraulic oil cylinder 5 is controlled to retract, so that the right wall plate 3 and the right conical top ring 31 are pushed to move rightwards, the right conical top ring 31 releases the resistance on the hollow end 13 at the right end of the winding shaft 11, the left conical top ring 21 can simultaneously release the resistance on the hollow end 13 at the left end of the winding shaft 11, the automatic roll discharging mechanical shaft and the roll materials on the automatic roll discharging mechanical shaft fall together, and the automatic roll discharging is finished.

The both ends of arc mechanical axis subassembly 12 offset with the inboard of right wallboard 3 and left wallboard 2 respectively during the rolling, thereby a plurality of movable support pieces 16 are in the state of standing for rolling axle 11 and prop up arc mechanical axis subassembly 12, make automatic mechanical axis that unloads a roll be in tight state, automatic back of unloading a roll, the both ends of arc mechanical axis subassembly 12 lose and block, thereby movable support pieces 16 are in the parallel state of falling for rolling axle 11 and pack up arc mechanical axis subassembly 12, make automatic mechanical axis that unloads a roll be in tight state, conveniently take off the coil stock.

Claims

1. Lithium cell diaphragm receives special automatic mechanical axis of unloading in limit, its characterized in that: the method comprises the following steps: the winding mechanism comprises a left wall plate (2), a right wall plate (3), a winding shaft (11) and a plurality of arc-shaped mechanical shaft assemblies (12), wherein hollow ends (13) are respectively arranged at two ends of the winding shaft (11), support ribs (14) are arranged on the inner sides of the arc-shaped mechanical shaft assemblies (12), a plurality of connecting lugs (15) matched with the support ribs (14) are respectively arranged on the two hollow ends (13), the connecting lugs (15) are connected with the support ribs (14) matched with the connecting lugs through movable support sheets (16), one end of each movable support sheet (16) is movably connected with the support ribs (14) through a first pin shaft (17), the other end of each movable support sheet (16) is movably connected with the corresponding connecting lug (15) through a second pin shaft (18), and the arc-shaped mechanical shaft assemblies (12) and the support ribs (14) are supported on the winding shaft (11) through the movable support sheets (16) matched with the arc-shaped mechanical shaft assemblies; the left wall plate (2) is fixedly connected with a left conical top ring (21) matched with a hollow end (13) on the left side of a winding shaft (11) on the right side, the right wall plate (3) is fixedly connected with a right conical top ring (31) matched with the hollow end (13) on the right side of the winding shaft (11) on the left side, the left wall plate (2) is connected with a rotating shaft (4), the rotating shaft (4) is connected with a driving device of an edge folding machine, and the right wall plate (3) is connected with a rotary push-pull device; the rotary push-pull device can push the right wall plate (3) and the right conical top ring (31) to move leftwards, so that the right conical top ring (31) penetrates into the hollow end (13) at the right end of the winding shaft (11) matched with the right conical top ring to be propped against the hollow end, and meanwhile, the left conical top ring (21) also penetrates into the hollow end (13) at the left end of the winding shaft (11) matched with the left conical top ring to be propped against the hollow end, so that a plurality of arc-shaped mechanical shaft assemblies (12) are propped up and extruded between the right wall plate (3) and the left wall plate (2), so that the automatic tensioning winding shaft is in a tensioning state, after winding is completed, the rotary push-pull device can pull back the right wall plate (3) and the right conical top ring (31) to move rightwards, so that the right conical top ring (31) releases the support of the hollow end (13) at the right end of the winding shaft (11), and the left conical top ring (21) can simultaneously release the support of the hollow end (13) at the left end of the winding shaft (11), and the winding shaft (11) and the winding shaft and the winding material on the winding shaft fall off together, so that automatic winding and the winding is completed.

2. The lithium battery diaphragm receipts limit special automatic mechanical axle of unloading of claim 1 characterized in that: the rotary push-pull device comprises: the hydraulic oil cylinder (5) is fixedly arranged on the edge folding machine frame (6), and an oil cylinder rod (51) of the hydraulic oil cylinder (5) penetrates through the edge folding machine frame (6) to be fixedly connected with the right wall plate (3).