CN216175445U

CN216175445U - Winding drum expanding and contracting device of uncoiler of aluminum foil mill

Info

Publication number: CN216175445U
Application number: CN202122690032.7U
Authority: CN
Inventors: 李明慧; 王柯; 张宏
Original assignee: Chinalco Swa Plates & Strips Co ltd
Current assignee: Chinalco Swa Plates & Strips Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-05
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a winding drum expanding and contracting device of an uncoiler of an aluminum foil mill, which comprises a sleeve, wherein a rotatable coaxial screw shaft is supported in the sleeve, expanding and contracting mechanisms are respectively arranged at two ends of the screw shaft, each expanding and contracting mechanism comprises a plurality of circumferentially arranged expanding and contracting plate assemblies capable of expanding and contracting along the radial direction, an axial strip-shaped groove is formed in the sleeve, and each expanding and contracting plate assembly contracts and extends along the radial direction of the axial strip-shaped groove. By adopting the winding drum expanding and contracting device, the winding drum is more labor-saving, more accurate and not easy to loosen during expanding and contracting, the inner diameter of the paper core aluminum coil is easily changed, and the paper core aluminum coil can be directly rolled on a rolling mill, so that the production efficiency is improved.

Description

Winding drum expanding and contracting device of uncoiler of aluminum foil mill

Technical Field

The utility model relates to the field of uncoilers, in particular to a winding drum expanding and contracting device of an uncoiler of an aluminum foil mill.

Background

The uncoiling mode of the uncoiler of the aluminum foil mill usually adopts the mode that the double conical heads of the uncoiler clamp the steel sleeve, so that the steel sleeve aluminum coil must be used when purchasing rough materials or the rewinding process (rewinding the paper core aluminum coil into the steel sleeve aluminum coil) must be increased when purchasing the paper core aluminum coil, the production efficiency is reduced, and the transportation cost and the production cost are increased. Although can change former decoiler double cone head clamping mode into the telescopic sleeve mode of harmomegathus through equipment transformation, equipment changes more difficultly, and the transformation expense is great, and transformation back equipment operation precision is relatively poor, does not have former mode precision good.

In chinese patent CN201603775U, an uncoiler cone for an aluminum foil rolling mill is disclosed, and specifically, "an uncoiler cone for an aluminum foil rolling mill is disclosed, which is characterized in that: the tensioning device comprises a flange seat, a cylindrical seat, a sliding sleeve, a pull rod, a plurality of sliding blocks and tensioning plates with the same number as the sliding blocks; the flange seat matched with the main shaft of the uncoiler for the aluminum foil mill is fixedly arranged on the main shaft, the cylindrical seat is fixedly arranged on the flange seat, the sliding sleeve is conical, the sliding sleeve is fixedly arranged at one end of the pull rod and sleeved in the cylindrical seat, track grooves with T-shaped sections of sliding blocks are uniformly formed in the peripheral wall of the sliding sleeve, and the pull rod is sleeved in a central hole of the main shaft; the cylindrical seat is provided with a square mounting hole of the sliding block at a position corresponding to the track groove of the sliding sleeve; one end of the sliding block is T-shaped, the sliding block is arranged in the square hole, the T-shaped end is clamped in the T-shaped track groove of the sliding sleeve, the other end of the sliding block is fixedly installed with the tensioning plate at the outer end of the sliding sleeve, the tensioning plate is fan-shaped and surrounds the outer circle of the cylindrical seat, and the plurality of tensioning plates form a circular ring.

In the above-mentioned patent, it adopts external force pulling pull rod outwards or inwards to remove along the axis, and the sliding sleeve removes along with the pull rod, utilizes T shape track groove inclined plane effect, and the slider outwards removes along cylindric seat diameter direction under the sliding sleeve drives, and the fan ring shape rises and contracts the board at diameter direction expansion, finally realizes the sleeve harmomegathus effect, nevertheless adopts the drive mode of pull rod pulling to have hard, the relatively poor and easy not hard up problem of precision.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a winding drum expanding and contracting device of an uncoiler of an aluminum foil mill, which is more labor-saving and more accurate in expansion and contraction of a winding drum and is not easy to loosen.

In order to achieve the purpose, the utility model provides the following technical scheme: the winding drum expanding and contracting device of the uncoiler of the aluminum foil rolling mill comprises a sleeve, wherein a rotatable coaxial screw shaft is supported in the sleeve, expanding and contracting mechanisms are arranged at two ends of the screw shaft respectively, each expanding and contracting mechanism comprises a plurality of circumferentially arranged expanding and contracting plate assemblies capable of expanding and contracting along the radial direction, an axial strip-shaped groove is formed in the sleeve, and each expanding and contracting plate assembly contracts and extends along the radial direction of the axial strip-shaped groove.

In order to further enhance the anti-loosening effect, the screw shaft is a double-spiral screw shaft, nuts are respectively screwed at two ends of the screw shaft, the outer wall of each nut is circumferentially connected with a plurality of wedge blocks, and the outer inclined wall of each wedge block is in sliding fit with one collapsible plate assembly.

For further strengthening the anti-loosening effect, the collapsible plate component comprises an expanding plate and an attaching plate, wherein the expanding plate is provided with an inner side inclined plane in sliding fit with the wedge block, and the outer side face of the expanding plate is a plane and is connected with the attaching plate.

In order to further save labor and improve stability, wheel carriers A for supporting the screw shaft are arranged in two ends of the sleeve, and a driving mechanism for driving the screw shaft is arranged in one end of the sleeve.

In order to further save labor and facilitate installation, the driving device comprises a power shaft, a driving bevel gear is arranged at the output end of the power shaft, a driven bevel gear in meshing transmission with the driving bevel gear is arranged at the input end of the screw shaft, a circular opening is formed in the sleeve, an installation sleeve extending inwards is arranged at the opening, and the power shaft is supported in the installation sleeve.

In order to further enhance the expansion and contraction effect, a radial strip-shaped groove is formed in the wheel carrier A, and a screw penetrates through the radial strip-shaped groove to connect the wheel carrier A with the tension plate.

In order to further prevent the loosening and improve the stability, a supporting sleeve extending towards the middle of the screw shaft is arranged at the center of the wheel carrier A, the screw shaft penetrates through the supporting sleeve and is connected through a bearing, a limiting piece is arranged on the outer wall of the supporting sleeve, and the nut is sleeved outside the supporting sleeve and is provided with a sliding groove matched with the limiting piece.

In order to further improve the sealing performance and strengthen the stress, a copper sleeve in clearance fit is sleeved outside the center of the screw shaft, a wheel carrier B is arranged outside the copper sleeve, and the wheel carrier B is fixedly connected with the sleeve.

In order to further prevent looseness and facilitate use, the outer inclined wall of the wedge-shaped block is in sliding connection with the inner inclined surface of the tension plate in a dovetail groove mode.

Has the advantages that:

1) the bevel gear expansion and contraction sleeve is more labor-saving by pulling the bevel gear expansion and contraction sleeve than by pulling the mandrel, the strength of field assembly is reduced, and meanwhile, the bevel gear transmission can be used for locking and loosening prevention, so that the slip of a paper core aluminum coil in the rolling process is avoided;

2) the anti-loosening effect is enhanced by calculating and designing the contact angle and the contact surface between the movable nut and the tension plate;

3) the rolling mill uncoiler conical head redesigned and manufactured is adopted, so that the use of the expansion sleeve and the contraction sleeve is met, the use of the 505 steel sleeves is also met, the paper core aluminum coil is directly fed into the rolling mill for rolling, the procedure of inversely coiling the paper core aluminum coil into the steel sleeve aluminum coil is reduced, and the quality hidden trouble caused by the rewinding procedure is avoided.

Drawings

FIG. 1 is a schematic structural view of a drum collapsible device of an uncoiler of an aluminum foil mill according to the present invention;

FIG. 2 is a schematic view of the expanding end face of the drum expanding and contracting device of the uncoiler of the aluminum foil rolling mill of the present invention;

FIG. 3 is a diagram of the upper machine state of the drum collapsible device of the uncoiler of the aluminum foil mill of the present invention;

fig. 4 is a schematic view of the working state of the winding drum expanding and contracting device of the uncoiler of the aluminum foil rolling mill.

The device comprises a sleeve 1, a screw shaft 2, a nut 3, a wedge block 4, a tension plate 5, an auxiliary plate 6, a wheel carrier A7, a power shaft 8, a driving bevel gear 9, a driven bevel gear 10, an installation sleeve 11, a radial strip-shaped groove 12, a supporting sleeve 13, a limiting piece 14, a copper sleeve 15, a wheel carrier B16, a C-shaped lifting appliance 17, a paper core aluminum roll 18 and a conical head 19.

Detailed Description

The utility model is further described in the following description in conjunction with specific embodiments, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout.

Example 1: as shown in fig. 1 to 4, the present embodiment provides a winding drum expanding and contracting device of an aluminum foil rolling mill uncoiler, including a sleeve 1, a rotatable coaxial screw shaft 2 is supported in the sleeve 1, two ends of the screw shaft 2 are respectively provided with an expanding and contracting mechanism, the expanding and contracting mechanism includes a plurality of circumferentially arranged expanding and contracting plate assemblies capable of expanding and contracting along a radial direction, the sleeve 1 is provided with an axial strip-shaped groove, and the expanding and contracting plate assemblies radially contract and extend along the axial strip-shaped groove.

In order to further enhance the anti-loosening effect, the screw shaft 2 is a double-spiral screw shaft 2, nuts 3 are respectively screwed at two ends of the screw shaft 2, a plurality of wedge blocks 4 are connected to the outer wall of each nut 3 along the circumferential direction, and the outer inclined wall of each wedge block 4 is in sliding fit with one collapsible plate assembly. The collapsible plate subassembly is including opening board 5 and attaching board 6, open board 5 have with 4 sliding fit's of wedge inboard inclined plane, open the lateral surface of board 5 for the plane and with attach board 6 and be connected. The outer inclined wall of the wedge block 4 is in sliding connection with the inner inclined surface of the tension plate 5 in a dovetail groove mode. A supporting sleeve 13 extending towards the middle of the screw shaft 2 is arranged at the center of the wheel carrier a7, the screw shaft 2 penetrates through the supporting sleeve 13 and is connected by a bearing, a limiting piece 14 is arranged on the outer wall of the supporting sleeve 13, and the nut 3 is sleeved outside the supporting sleeve 13 and is provided with a sliding groove matched with the limiting piece 14.

In addition, in order to further save labor and improve stability, a wheel carrier a7 for supporting the screw shaft 2 is provided in each end of the sleeve 1, and a driving mechanism for driving the screw shaft 2 is provided in each end of the sleeve 1. The driving device comprises a power shaft 8, a driving bevel gear 9 is arranged at the output end of the power shaft 8, a driven bevel gear 10 in meshing transmission with the driving bevel gear 9 is arranged at the input end of the screw shaft 2, a circular opening is formed in the sleeve 1, an installation sleeve 11 extending inwards is arranged at the opening, and the power shaft 8 is supported in the installation sleeve 11. The wheel carrier A7 is provided with a radial strip-shaped groove 12, and a screw penetrates through the radial strip-shaped groove 12 to connect the wheel carrier A7 with the tension plate 5. A copper sleeve 15 in clearance fit is sleeved outside the center of the screw shaft 2, a wheel carrier B16 is arranged outside the copper sleeve 15, and the wheel carrier B16 is fixedly connected with the sleeve 1.

Before the uncoiling operation of the paper core aluminum coil 18, the sleeve 1 is sent into the paper core aluminum coil 18 by using a C-shaped lifting appliance 17, the power shaft 8 is pulled by a pneumatic wrench or a mechanical wrench, and then the driving bevel gear 9 arranged at the output end of the power shaft 8 is driven to rotate, the driving bevel gear 9 drives the driven bevel gear 10 meshed with the driving bevel gear to rotate, the driven bevel gear 10 drives the screw shaft 2 connected with the driven bevel gear to rotate, and the screw shaft 2 drives the nut 3 screwed with the screw shaft to axially move. During 3 axial displacement of nut, drive 4 axial displacement of wedge that its outer wall is connected along circumference, and then promote inboard inclined plane with 4 sliding fit's of wedge 5 radially contract and stretch out along the axial bar groove that sets up on the sleeve 1 to realize the 1 harmomegathus effect of sleeve. After the inner diameter of the paper core aluminum coil 18 is enlarged to a specified size by the expansion and contraction of the sleeve 1, the two ends of the sleeve 1 are clamped by the left and right conical heads 19 of the uncoiler, and then the paper core aluminum coil 18 is directly rolled, so that the process of reversely coiling the paper core aluminum coil 18 into a steel sleeve aluminum coil is reduced, and the quality hidden trouble caused by the reverse coiling process is avoided.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides an aluminium foil mill decoiler's reel harmomegathus device, includes sleeve (1), its characterized in that: the telescopic screw rod is characterized in that a rotatable coaxial screw rod shaft (2) is supported in the sleeve, two ends of the screw rod shaft are respectively provided with a collapsible mechanism, the collapsible mechanism comprises a plurality of circumferentially arranged collapsible plate assemblies capable of radially collapsing, an axial strip-shaped groove is formed in the sleeve, and the collapsible plate assemblies radially contract and extend out along the axial strip-shaped groove.

2. The roll collapsible device of the aluminum foil mill uncoiler of claim 1, characterized in that: the screw rod shaft is a double-spiral screw rod shaft, nuts (3) are respectively screwed at two ends of the screw rod shaft, a plurality of wedge-shaped blocks (4) are connected to the outer wall of each nut along the circumferential direction, and the outer inclined wall of each wedge-shaped block is in sliding fit with one collapsible plate component.

3. The roll collapsible device of the aluminum foil mill uncoiler of claim 2, characterized in that: the collapsible plate subassembly is including opening board (5) and attaching board (6), open the board have with wedge sliding fit's inboard inclined plane, open the lateral surface of board for the plane and with attach the board and be connected.

4. The roll collapsible device of the aluminum foil mill uncoiler of claim 3, characterized in that: wheel carriers A (7) for supporting the screw rod shaft are arranged in two ends of the sleeve, and a driving mechanism for driving the screw rod shaft is arranged in one end of the sleeve.

5. The roll collapsible device of the aluminum foil mill uncoiler of claim 4, characterized in that: the driving mechanism comprises a power shaft (8), a driving bevel gear (9) is arranged at the output end of the power shaft, a driven bevel gear (10) in meshing transmission with the driving bevel gear is arranged at the input end of the screw shaft, a circular opening is formed in the sleeve, an installing sleeve (11) extending inwards is arranged at the opening, and the power shaft is supported in the installing sleeve.

6. The roll expansion and contraction device of an uncoiler of an aluminum foil mill as claimed in claim 4 or 5, wherein: the wheel carrier A is provided with a radial strip-shaped groove (12), and a screw penetrates through the radial strip-shaped groove to connect the wheel carrier A with the tension plate.

7. The roll collapsible device of the aluminum foil mill uncoiler according to claim 6, characterized in that: the center of the wheel carrier A is provided with a supporting sleeve (13) extending towards the middle of the screw shaft, the screw shaft penetrates through the supporting sleeve and is connected with the supporting sleeve through a bearing, the outer wall of the supporting sleeve is provided with a limiting piece (14), and the nut is sleeved outside the supporting sleeve and is provided with a sliding groove matched with the limiting piece.

8. The roll collapsible device of the aluminum foil mill uncoiler of claim 7, characterized in that: a copper sleeve (15) in clearance fit is sleeved outside the center of the screw shaft, a wheel frame B (16) is arranged outside the copper sleeve, and the wheel frame B is fixedly connected with the sleeve.

9. The roll collapsible device of the aluminum foil mill uncoiler of claim 3, characterized in that: the outer inclined wall of the wedge-shaped block is in sliding connection with the inner inclined surface of the tension plate in a dovetail groove mode.