CN219335351U

CN219335351U - Sealing reel with radial hydraulic jaw

Info

Publication number: CN219335351U
Application number: CN202223116869.1U
Authority: CN
Inventors: 郭金灿
Original assignee: Maanshan Beiguang Metallurgical Machinery Co ltd
Current assignee: Maanshan Beiguang Metallurgical Machinery Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-07-14
Anticipated expiration: 2032-11-23

Abstract

The utility model relates to the technical field of coiling drums of coiling machines, and discloses a closed coiling drum with radial hydraulic jaws, which comprises a supporting roller, wherein one end of the supporting roller is fixedly connected with a connecting shaft, one end of the connecting shaft is fixedly connected with a main shaft, one end of the main shaft is fixedly connected with a collapsible cylinder, a mounting groove is formed in the connecting shaft, the closed coiling drum with the radial hydraulic jaws drives a pull rod to move through the collapsible cylinder, the pull rod drives a cross block to move, the cross block drives an axial oblique tenon to move, the axial tenon drives the closed tenon to move, the closed tenon drives a sector plate and a jaw plate to move, and then the sector plate and the jaw plate are kept at the same drum diameter position through the cooperation of a reset mechanism and then the cooperation of a clamping mechanism.

Description

Sealing reel with radial hydraulic jaw

Technical Field

The utility model relates to the technical field of winding drums of winding machines, in particular to a closed winding drum with radial hydraulic jaws.

Background

The coiling machine is one of main equipment in the cold rolling process, is positioned at the outlet of the outlet steering pinch roll, and a winding drum of the coiling machine is positioned at the outlet section of the unit and is vertical to the central line. Continuously coiling the finished strip steel, and enabling the strip steel to form larger tension between the coiling machine and the tension roller.

In the existing closed winding drum, mechanical jaws (as shown in fig. 4) are adopted, when the axial wedge 04 moves axially, the radial movement of the closed wedge is converted, when the closed wedge 03 expands and props up the sector plate 06, the disc spring compresses to enable the piece 07 and the piece 08 to clamp the belt head for winding, when the winding is completed, the closed wedge contracts, and when the winding is completed, the disc spring 01 enables the sector plate to contract along with the closed wedge, so that the purpose of coil unloading is achieved. The contraction range of the jaw plate is smaller than that of the other three sector plates 06 (shown in fig. 4), so that the winding drum contraction diameter is larger than that of a conventional winding drum, coil stripping is difficult to occur when the height of a coil stripping vehicle is not positioned, core pulling phenomenon occurs, the jaw sector plates topple towards the side without the jaw when a belt head is clamped during coiling (shown in fig. 4), the whole winding drum is out of round, and the winding drum of the mechanical jaw device is not suitable for large-tension coiling and is not suitable for strip steel with very thin thickness.

Disclosure of Invention

The utility model aims to provide a closed winding drum with radial hydraulic jaws, which has the advantages of being convenient for unreeling a strip steel coil after winding, improving the clamping force on the strip steel, simultaneously clamping strip steel with different thicknesses, improving the stability of strip steel winding and the like.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a take radial hydraulic pressure to keep silent seals reel, includes the backing roll, the one end fixedly connected with connecting axle of backing roll, the one end fixedly connected with main shaft of connecting axle, the one end fixedly connected with of main shaft is collapsible jar, the mounting groove has been seted up in the connecting axle, sliding connection has the pull rod that is connected with the collapsible jar in the mounting groove, the one end fixedly connected with of pull rod has the cross piece with mounting groove sliding connection, the surface fixedly connected with of cross piece has a plurality of axial oblique tenons with mounting groove sliding connection, the surface sliding connection of axial oblique tenon has the seal tenon, four spacing grooves have been seted up to the surface of connecting axle, wherein three spacing groove sliding connection have with seal tenon sliding connection's sector plate, another sliding connection has with seal tenon sliding connection's jaw plate, be provided with fixture on the jaw plate, all be provided with reset mechanism on sector plate and the jaw plate.

As a further scheme of the utility model: the clamping mechanism comprises a plurality of piston grooves formed in the jaw plates, a piston is connected in the piston grooves in a sliding mode, jaw blocks are fixedly connected to the tops of the pistons, the jaw grooves are formed in the tops of the jaw plates, oil inlet holes communicated with the piston grooves are formed in the jaw plates, and an oil supply mechanism is connected in the oil inlet holes.

As a further scheme of the utility model: the oil supply mechanism comprises a hydraulic oil hose connected with the oil inlet, the main shaft is provided with a deep oil hole connected with the hydraulic oil hose, and the deep oil hole is connected with the expansion cylinder through an oil pipe.

As a further scheme of the utility model: the top of the jaw block is provided with a clamping groove.

As a further scheme of the utility model: the reset mechanism comprises a jaw plate reset spring and a sector plate reset spring, wherein the jaw plate reset spring is fixedly connected between the jaw plate and the limiting groove, and the sector plate reset spring is fixedly connected between the sector plate and the limiting groove.

The utility model has the beneficial effects that:

(1) The pull rod is driven to move through the expansion cylinder, the pull rod drives the cross block to move, the cross block drives the axial inclined tenon to move, the axial tenon drives the sealing tenon to move, the sealing tenon drives the sector plate and the jaw plate to move, the cooperation of the reset mechanism is carried out, and then the cooperation of the clamping mechanism is carried out, so that the sector plate and the jaw plate are kept at the same cylinder diameter position when moving outwards and contracting inwards, the coiled strip steel is conveniently detached from the winding drum, the phenomenon that the coil stripping difficulty occurs when the existing winding drum is positioned at an unloading vehicle height is not right is avoided, and the coil stripping difficulty is reduced.

(2) Through inserting the one end of belted steel into the groove of keeping silent, later through oil feed mechanism to the oil feed hole, the oil that gets into the oil feed hole enters into the piston inslot and upwards jack-up to the piston in the piston inslot, the piston drives the piece that keeps silent and upwards moves and carries out the centre gripping to the belted steel of keeping silent the inslot to improve the clamping force to belted steel, more stable when the centre gripping has been convenient for carry out the centre gripping to belted steel of different thickness simultaneously and fix, thereby make the jaw board can not take place to empty and lead to the reel to lose round simultaneously, improved the stability to belted steel rolling.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a front view of the internal mechanism of the present utility model;

FIG. 2 is a front view of the internal mechanism of the connecting shaft of the present utility model;

FIG. 3 is a side view of the internal structure of the present utility model;

FIG. 4 is a prior art drawing of the background of the utility model;

in the figure: 1. a support roller; 2. a connecting shaft; 3. a main shaft; 4. a collapsible cylinder; 5. a mounting groove; 6. a pull rod; 7. a cross block; 8. an axial oblique tenon; 9. closing the tenon; 10. a limit groove; 11. a sector plate; 12. a jaw plate; 13. a piston groove; 14. a piston; 15. a jaw block; 16. a jaw slot; 17. an oil inlet hole; 18. a hydraulic oil hose; 19. deep oil holes; 20. a clamping groove; 21. a jaw plate return spring; 22. and a sector plate return spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the utility model is a closed reel with radial hydraulic jaws, comprising a supporting roller 1, one end of the supporting roller 1 is fixedly connected with a connecting shaft 2, one end of the connecting shaft 2 is fixedly connected with a main shaft 3, one end of the main shaft 3 is fixedly connected with a collapsible cylinder 4, a mounting groove 5 is arranged in the connecting shaft 2, a pull rod 6 connected with the collapsible cylinder 4 is slidably connected in the mounting groove 5, one end of the pull rod 6 is fixedly connected with a cross block 7 slidably connected with the mounting groove 5, the outer surface of the cross block 7 is fixedly connected with a plurality of axial inclined tenons 8 slidably connected with the mounting groove 5, the outer surface of the axial inclined tenons 8 is slidably connected with a closed tenon 9, the outer surface of the connecting shaft 2 is provided with four limiting grooves 10, a sector plate 11 slidably connected with the closed tenon 9 is slidably connected in the three limiting grooves 10, the other limit groove 10 is slidably connected with a jaw plate 12 which is slidably connected with the closing tenon 9, the jaw plate 12 is provided with a clamping mechanism, the sector plate 11 and the jaw plate 12 are both provided with a reset mechanism, the pull rod 6 is driven to move rightwards in the mounting groove 5 by the expansion cylinder 4, the pull rod 6 drives the cross block 7 to move rightwards in the mounting groove 5, the cross block 7 drives the axial inclined tenon 8 to move rightwards, the axial inclined tenon 8 drives the closing tenon 9 to move radially, the closing tenon 9 drives the sector plate 11 and the jaw plate 12 to move to the same position, the winding drum is in the largest circular state, then the steel strip is placed into the clamping mechanism for clamping and fixing, then the winding drum is driven to rotate for winding the steel strip, the expansion cylinder 4 drives the pull rod 6 to move leftwards after the winding is completed, then the sector plate 11 and the jaw plate 12 enter an initial state under the reset of the reset mechanism, the fan-shaped plate 11 and the jaw plate 12 are kept at the same cylinder diameter position when moving outwards and contracting inwards, so that coiled strip steel is conveniently unloaded from the winding drum, the phenomenon that the existing winding drum is difficult to unwind when the height of the winding drum is not positioned is avoided, and the difficulty in unwinding is reduced.

The ratchet clamping mechanism comprises a plurality of piston grooves 13 formed in the jaw plate 12, a piston 14 is slidably connected in the piston grooves 13, a jaw block 15 is fixedly connected to the top of the piston 14, a jaw groove 16 is formed in the top of the jaw plate 12, an oil inlet hole 17 communicated with the piston grooves 13 is formed in the jaw plate 12, an oil supply mechanism is connected in the oil inlet hole 17, one end of strip steel is inserted into the jaw groove 16, then oil is supplied to the oil inlet hole 17 through the oil supply mechanism, oil entering the oil inlet hole 17 enters the piston groove 13 to jack up the piston 14 in the piston groove 13 upwards, the piston 14 drives the jaw block 15 to move upwards to clamp and fix strip steel in the jaw groove 16, so that the clamping force on strip steel is improved, meanwhile, the clamping force is more stable, the jaw plate 12 cannot fall down to cause the rolling loss of a winding drum, and the stability on strip steel winding is improved.

The oil supply mechanism comprises a hydraulic oil hose 18 connected with the oil inlet hole 17, the main shaft 3 is provided with a deep oil hole 19 connected with the hydraulic oil hose 18, the deep oil hole 19 is connected with the collapsible cylinder 4 through an oil pipe, the deep oil hole 19 is supplied with oil through a pipeline by the collapsible cylinder 4, and then the oil enters the oil inlet hole 17 through the deep oil hole 19 and the hydraulic oil hose 18 to supply oil to the oil inlet hole 17.

The top of the jaw block 15 is provided with a clamping groove 20, and the clamping of the strip steel is improved through the clamping groove 20.

The reset mechanism comprises a jaw plate 12 reset spring 21 and a sector plate reset spring 22, the jaw plate reset spring 21 is fixedly connected between the jaw plate 12 and the limiting groove 10, the sector plate reset spring 22 is fixedly connected between the sector plate 11 and the limiting groove 10, when the sector plate 11 and the jaw plate 12 move outwards of the connecting shaft 2, the sector plate reset spring 22 and the jaw plate reset spring 22 are stressed to stretch, and after the pull rod 6 moves rightwards, the sector plate 11 and the jaw plate 12 are driven to move inwards of the connecting shaft 2 through shrinkage of the sector plate reset spring 22 and the jaw plate 12, so that the sector plate 11 and the jaw plate 12 are restored to the initial positions.

The working principle of the utility model is as follows: the pull rod 6 is driven to move right in the mounting groove 5 through the expansion cylinder 4, the pull rod 6 drives the cross block 7 to move right in the mounting groove 5, the cross block 7 drives the axial inclined tenon 8 to move right, the axial inclined tenon 8 drives the closed tenon 9 to move radially, the closed tenon 9 drives the sector plate 11 and the jaw plate 12 to move to the same position, the winding drum is in the largest circular state, then the steel strip is put into the clamping mechanism to be clamped and fixed, the winding drum is driven to rotate to wind the steel strip, after winding is completed, the expansion cylinder 4 drives the pull rod 6 to move left, then the sector plate 11 and the jaw plate 12 enter an initial state under the reset of the reset mechanism, the sector plate 11 and the jaw plate 12 are kept at the same drum diameter position when moving outwards and contracting inwards, so that the wound steel strip is detached from the winding drum conveniently, the phenomenon that the winding drum is difficult to roll and loose core is difficult to appear when the existing winding drum is positioned at the height of the coil unloading machine is avoided, and the coil unloading difficulty is reduced. Through inserting the one end of belted steel into the groove 16 of keeping silent, supply oil through the expansion cylinder 4 through the pipeline to the oilhole 19, then enter into the oil feed hole 17 through oilhole 19 and hydraulic oil hose 18 and supply oil to the oil feed hole 17, the oil that enters into in the oil feed hole 17 enters into the piston groove 13 and upwards jack-up to the piston 14 in the piston groove 13, the piston 14 drives the piece 15 of keeping silent and upwards moves and carry out the centre gripping to the belted steel in the groove 16 of keeping silent and fix, thereby improved the clamping force to belted steel, more stable when the centre gripping simultaneously, thereby make jaw board 12 can not take place to empty and consequently lead to the reel out of round, improved the stability to belted steel rolling.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. The utility model provides a take radial hydraulic pressure to keep silent seals reel, includes backing roll (1), a serial communication port, the one end fixedly connected with connecting axle (2) of backing roll (1), the one end fixedly connected with main shaft (3) of connecting axle (2), the one end fixedly connected with of main shaft (3) is collapsible jar (4), install mounting groove (5) in connecting axle (2), sliding connection has pull rod (6) that are connected with collapsible jar (4) in mounting groove (5), the one end fixedly connected with of pull rod (6) has cross piece (7) with mounting groove (5) sliding connection, the surface fixedly connected with of cross piece (7) has a plurality of axial inclined tenon (8) with mounting groove (5) sliding connection, the surface sliding connection of axial inclined tenon (8) has sealed tenon (9), four spacing groove (10) have been seted up to the surface of connecting axle (2), wherein three limit groove (10) sliding connection have pull rod (6) that are connected with sealed (9) sliding connection's cross piece (11), another limit connection (10) have jaw (12) and have on the sheet (12) to keep silent, on the sheet (12).

2. The sealing drum with the radial hydraulic jaws according to claim 1, wherein the clamping mechanism comprises a plurality of piston grooves (13) formed in the jaw plate (12), a piston (14) is connected in a sliding manner in the piston grooves (13), a jaw block (15) is fixedly connected to the top of the piston (14), a jaw groove (16) is formed in the top of the jaw plate (12), an oil inlet hole (17) communicated with the piston grooves (13) is formed in the jaw plate (12), and an oil supply mechanism is connected in the oil inlet hole (17).

3. The sealing drum with the radial hydraulic jaws according to claim 2, wherein the oil supply mechanism comprises a hydraulic oil hose (18) connected with an oil inlet hole (17), the main shaft (3) is provided with a deep oil hole (19) connected with the hydraulic oil hose (18), and the deep oil hole (19) is connected with the expansion cylinder (4) through an oil pipe.

4. A closure spool with radial hydraulic jaws according to claim 2, characterized in that the top of the jaw block (15) is provided with a clamping groove (20).

5. A closure spool with radial hydraulic jaws according to claim 1, characterized in that the return mechanism comprises a jaw plate return spring (21) and a sector plate return spring (22), the jaw plate return spring (21) being fixedly connected between the jaw plate (12) and the limit slot (10), the sector plate return spring (22) being fixedly connected between the sector plate (11) and the limit slot (10).