CN214692695U

CN214692695U - Chuck device for coating of rewinding machine

Info

Publication number: CN214692695U
Application number: CN202120662447.0U
Authority: CN
Inventors: 顾德祥; 周瑜; 王郗; 高东波; 宋召飞; 林敬; 王东; 张涛钢; 杨剑; 胡明明; 潘思宁
Original assignee: Hefei Xingyuan New Energy Material Co ltd
Current assignee: Hefei Xingyuan New Energy Material Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-11-12
Anticipated expiration: 2031-03-30

Abstract

The utility model discloses a chuck device for coating of a rewinder, which comprises a chuck component arranged on a rotating main shaft of the rewinder, wherein the chuck component comprises a connecting shaft and a chuck which are coaxially arranged; the end part of the connecting shaft is provided with a sleeve hole, and the end part of the connecting shaft, which is provided with the sleeve hole, is provided with at least two clamping seams which penetrate through the wall thickness of the connecting shaft; the connecting shaft is installed at one end of the rotating main shaft through an installation part, the installation part comprises a first clamping ring and a second clamping ring which are of semicircular structures, the first clamping ring and the second clamping ring are clamped on the connecting shaft provided with the clamping seam and fixedly connected through a bolt, and therefore the connecting shaft is tightly installed on the rotating main shaft in a clamping mode. The utility model discloses a chuck part both dismouting is convenient fast, can guarantee the concentricity between chuck part and the rewinding machine rotating main shaft again to the jumping volume of chuck part assembly after on rotating main shaft has been reduced.

Description

Chuck device for coating of rewinding machine

Technical Field

The utility model relates to a diaphragm production technical field, concretely designs a rewinding machine chuck device for coating.

Background

The diaphragm is one of the important components of the lithium battery, the performance of the diaphragm determines the interface structure, internal resistance and the like of the battery, the characteristics of the battery, such as capacity, circulation, safety performance and the like, are directly influenced, and the diaphragm with excellent performance has an important effect on improving the comprehensive performance of the battery.

The rewinding process of the lithium battery diaphragm is one process in the diaphragm production process, and the process aims to release internal stress of the lithium battery diaphragm and has important significance on the quality of the diaphragm; the rewinding machine mainly realizes the rewinding process by the action of the winding head on the winding core 13, as shown in fig. 6-7, in the prior art, a connecting shaft 2 and a clamping head 3 of a clamping head component of the rewinding machine are integrally formed, when products with different specifications are produced, the clamping head component needs to be replaced from a rotating main shaft 1 by a special long hexagon socket wrench, equipment personnel can replace one clamping head component within 20 minutes on average due to the fact that a threaded hole between the clamping head component and the rotating main shaft 1 is deep, time and labor are wasted, in addition, if the clamping head component is too long, the clamping head component cannot be integrally processed during processing, a welding process is adopted, so that the surface A of the connecting shaft 2 is difficult to be concentric with the surface B of the clamping head 3, the clamping head component can jump when being arranged on the rotating main shaft 1, the inner corner of the winding core 13 can be accelerated to be worn, and abnormal consumption of raw materials can be caused, the bolt between the chuck part and the rotating main shaft 1 can also be loosened and even twisted off during jumping, and the chuck part falls to hide the safety risk.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rewinding machine is chuck device for coating to solve the problem that proposes in the above-mentioned background art, the utility model discloses a chuck part both the dismouting is convenient fast, can guarantee the concentricity between chuck part and the rewinding machine rotating main shaft again, thereby has reduced the jumping volume of chuck part assembly after the rotating main shaft.

In order to achieve the above object, the utility model provides a following technical scheme:

a chuck device for coating of a rewinding machine comprises a chuck component arranged on a rotating main shaft of the rewinding machine, wherein the chuck component comprises a connecting shaft coaxially arranged on the rotating main shaft and a chuck coaxially arranged at the tail end of the connecting shaft;

the end part of the connecting shaft is provided with a sleeve hole for sleeving the connecting shaft on the rotating main shaft, and the end part of the connecting shaft provided with the sleeve hole is provided with at least two clamping seams penetrating through the wall thickness of the connecting shaft; the connecting shaft is installed at one end of the rotating main shaft through an installation part, the installation part comprises a first clamping ring and a second clamping ring which are of semicircular structures, the first clamping ring and the second clamping ring are clamped on the connecting shaft provided with the clamping seam and fixedly connected through a bolt, and therefore the connecting shaft is tightly installed on the rotating main shaft in a clamping mode. As a further improvement, the outer wall of second clamp ring is provided with two at least mounting grooves, the tank bottom of mounting groove is provided with screw hole one, be provided with the screw hole two that matches with screw hole one on the first clamp ring.

The number of the connecting shafts can be set according to the actual length, and the axial length of each connecting shaft can be set to be different.

As a further improvement of the utility model, the hole depth of the trepanning is equal to one half of the axial length of the connecting shaft.

As a further improvement of the utility model, the chuck is in the shape of a circular truncated cone, one end of the chuck is coaxially provided with a positioning groove, the other end of the chuck is coaxially provided with a fastening groove, and the bottom of the positioning groove is provided with a threaded hole III;

the end part of the connecting shaft is coaxially provided with a positioning convex column matched with the positioning groove, and the positioning convex column is provided with a threaded hole IV matched with the threaded hole III.

As a further improvement of the utility model, the tank bottom of constant head tank is provided with four screw holes three.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model has lower manufacturing cost, and can be spliced to form chuck components with different lengths only by preparing a plurality of connecting shafts with different axial lengths and one chuck, thus saving the manufacturing cost by 70 percent;

2. the connecting shaft of the chuck component of the utility model is detachable from the chuck, wherein, the connecting shaft is arranged on the rotating main shaft in a clamping way through the mounting component, the stress of the connecting shaft is uniform, and the concentricity between the connecting shaft and the rotating main shaft is ensured;

the chuck and the connecting shaft are fixed by bolts, and the chuck is short, so that the chuck can be disassembled and assembled by using a common inner hexagonal wrench during disassembly and assembly, a special long inner hexagonal wrench is not needed, and the disassembly and assembly of the chuck are more rapid and convenient;

3. compared with the prior chuck component, the utility model discloses a chuck component is in production and processing process, and the outer disc reprocessing trepanning and the location projection of the connecting axle of can centre gripping, but the constant head tank of centre gripping chuck is at the conical surface of processing chuck, makes connecting axle and chuck can keep higher concentricity after the assembly to the jumping volume of chuck component assembly after on the rotating main shaft has been reduced.

Drawings

Fig. 1 is a schematic structural view of the chuck assembly of the present invention mounted on a rotating spindle.

Fig. 2 is a schematic view of the fit among the rotating spindle, the chuck member, and the mounting member of the present invention.

Fig. 3 is a cross-sectional view of the mounting member of the present invention.

Fig. 4 is a schematic structural view of the chuck of the present invention.

Fig. 5 is a schematic structural view of the chuck of the present invention.

Fig. 6 is a schematic view of a chuck assembly according to the prior art of the present invention.

Figure 7 is a cross-sectional view of a prior art collet assembly of the present invention.

In the figure:

1. rotating the main shaft; 2. a connecting shaft; 3. a chuck; 4. a mounting member; 5. clamping and sewing; 6. a first clamp ring; 7. a second clamp ring; 8. mounting grooves; 9. a second threaded hole; 10. positioning the convex column; 11. positioning a groove; 12. a fastening groove; 13. and (6) winding cores.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, a clip head device for coating of a rewinding machine comprises a clip head assembly mounted on a rotating spindle 1 of the rewinding machine, said clip head assembly comprising a connecting shaft 2 coaxially mounted to the rotating spindle 1 by a mounting member 4 and a clip head 3 coaxially mounted to the end of the connecting shaft 2.

As shown in fig. 2 to 3, the mounting part 4 includes a first clamping ring 6 and a second clamping ring 7 in a semicircular structure, the outer wall of the second clamping ring 7 is provided with at least two mounting grooves 8, the bottom of each mounting groove 8 is provided with a first threaded hole, and the first clamping ring 6 is provided with a second threaded hole 9 matched with the first threaded hole.

The end of the connecting shaft 2 is provided with a sleeve hole for sleeving the connecting shaft 2 on the rotating main shaft 1, and the end of the connecting shaft 2 provided with the sleeve hole is provided with at least two clamping seams 5 penetrating through the wall thickness of the connecting shaft 2. The mounting component is shown in fig. 3 and comprises a first clamping ring 6 and a second clamping ring 7 which are in a semicircular structure, wherein the first clamping ring 6 and the second clamping ring 7 are clamped at the end part of the connecting shaft 2 provided with the clamping seam 5 and are fixedly connected through a bolt, so that the connecting shaft is clamped and mounted on the rotating main shaft.

The process of mounting the connecting shaft 2 on the rotating main shaft 1 is specifically as follows: firstly, the connecting shaft 2 is coaxially sleeved outside the rotating main shaft 1 through the sleeve hole, then the first clamping ring 6 and the second clamping ring 7 are sleeved on the connecting shaft 2 and located at the position of the clamping gap 5, and then the first clamping ring 6 and the second clamping ring 7 are fixed through bolts, so that the connecting shaft 2 is clamped and installed on the rotating main shaft 1.

Preferably, the depth of the sleeve hole is equal to one half of the axial length of the connecting shaft 2, that is, the length of the connecting shaft 2 sleeved on the rotating main shaft 1 is equal to the length of the remaining cantilever of the connecting shaft 2.

As shown in fig. 2, 4 and 5, the chuck 3 is in a circular truncated cone shape, one end of the chuck 3 is coaxially provided with a positioning groove 11, the other end of the chuck is coaxially provided with a fastening groove 12, and the bottom of the positioning groove 11 is provided with at least two threaded holes three.

The end part of the connecting shaft 2 is coaxially provided with a positioning convex column 10 matched with the positioning groove 11, and the positioning convex column 10 is provided with a threaded hole IV matched with the threaded hole III.

The process of mounting the collet 3 on the connecting shaft 2 is specifically: firstly, the chuck 3 is sleeved on the connecting shaft 2 through the matching of the positioning groove 11 and the positioning convex column 10, and then the chuck 3 and the connecting shaft 2 are fixed through bolts. Finally the reeling core 13 is mounted to the fastening slot 12 in the cartridge 3.

The utility model discloses when changing chuck unit, only need pull down originally connecting axle 2 and chuck 3 of installing on rotatory main shaft 1, select connecting axle 2 of suitable axial length and install this connecting axle 2 with chuck 3 after that, after that again with this connecting axle 2 install rotatory main shaft 1 on can.

Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.

Therefore, the above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. The chuck device for coating the rewinder comprises a chuck component arranged on a rotating main shaft of the rewinder, and is characterized in that the chuck component comprises a connecting shaft coaxially arranged on the rotating main shaft and a chuck coaxially arranged at the tail end of the connecting shaft;

the end part of the connecting shaft is provided with a sleeve hole for sleeving the connecting shaft on the rotating main shaft, and the end part of the connecting shaft provided with the sleeve hole is provided with at least two clamping seams penetrating through the wall thickness of the connecting shaft; the connecting shaft is installed at one end of the rotating main shaft through an installation part, the installation part comprises a first clamping ring and a second clamping ring which are of semicircular structures, the first clamping ring and the second clamping ring are clamped on the connecting shaft provided with the clamping seam and fixedly connected through a bolt, and therefore the connecting shaft is tightly installed on the rotating main shaft in a clamping mode.

2. The clip head device for coating of the rewinding machine as claimed in claim 1, wherein the outer wall of the second clip ring is provided with at least two mounting grooves, the bottom of each mounting groove is provided with a first threaded hole, and the first clip ring is provided with a second threaded hole matched with the first threaded hole.

3. The clip device for coating of the rewinding machine as claimed in claim 1, wherein said trepan boring has a depth equal to half the axial length of the connecting shaft.

4. The coating chuck device of the rewinding machine as claimed in claim 1, wherein the chuck is in the shape of a circular truncated cone, one end of the chuck is coaxially provided with a positioning groove, the other end of the chuck is coaxially provided with a fastening groove, and the bottom of the positioning groove is provided with a third threaded hole;

5. The clip device for coating of the rewinding machine as claimed in claim 4, wherein the bottom of said positioning slot is provided with three threaded holes.