CN211444554U - Integrated shaft structure four-groove disc spring type winding drum - Google Patents

Abstract

The utility model discloses a four-groove disc spring type winding drum with an integrated shaft structure, which comprises a mandrel, wherein the starting end of the mandrel is driven by a hydraulic cylinder, and the tail end of the mandrel is connected with a support sleeve; the mandrel is cylindrical; a through hole for installing a pull rod is formed in the mandrel; four straight grooves are uniformly distributed at the rear section of the mandrel, and penetrating mounting holes are formed in the tail ends of the straight grooves; an axial wedge is arranged in the straight groove, and a sector plate is oppositely arranged above the axial wedge; a crosshead is sleeved at the tail end of the pull rod, and four shifting forks of the crosshead are fixedly connected with the axial wedge through mounting holes respectively; the axial wedge and the sector plate are connected with the mandrel through a disc spring screw via a sliding hole. The utility model has the advantages of simple integral structure, the intensity and the precision of reel are high, operate steadily, and the value of beating is little, long service life, and the fault rate is low, maintains simply.

Description

Integrated shaft structure four-groove disc spring type winding drum

Technical Field

The utility model relates to the technical field of metallurgical machinery, concretely relates to four groove dish spring formula reels of a body axle construction.

Background

When a steel belt and an aluminum belt are processed, the winding drum of the uncoiler retracts to the minimum before the material is coiled, the expansion and contraction winding drum is driven to rotate by the transmission mechanism after the expansion and contraction winding drum expands to drive the winding drum of the uncoiler to unwind, and the winding drum is conveyed to the background by other mechanisms to provide raw materials for the coiler. At present, a mechanical collapsible drum is usually adopted on an uncoiler, but the existing drum has a complex structure, the collapsible drum is easy to damage, and the cost is high; in addition, the existing winding drum is split, an end cover shaft of the split structure is matched through a spigot, a gap exists between the end cover shaft and the end cover shaft, and the end cover shaft is connected and fastened through screws. During field use, due to abrasion or other external factors, the gap is easily too large, and the screw is subjected to shearing force, so that the screw is easily cut off. The support position jumping value is too big easily to appear in the field usage in-process, causes the damage to the board type, and more serious directly causes equipment to shut down. In addition, the machine tool has deviation during mechanical processing, and the run-out value during machine tool processing is not easy to control; the disassembly operation is inconvenient in field maintenance and overhaul.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a simple structure, operation are stable, the strong four groove dish spring formula reels of body axle construction to the not enough of prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the integrated shaft structure four-groove disc spring type winding drum comprises a mandrel, wherein the starting end of the mandrel is connected with a hydraulic cylinder provided with a rotary joint, the tail end of the mandrel is connected with a support sleeve through an assembled conical bearing, and the mandrel is cylindrical; a through hole for installing a pull rod is formed in the mandrel; four straight grooves are uniformly distributed on the rear section of the mandrel along the circumferential direction, and cross-shaped penetrating mounting holes are formed in the tail ends of the straight grooves; an axial inclined wedge is arranged in the straight groove, sector plates are oppositely arranged above the axial inclined wedge, and the four sector plates form a cylinder after being assembled; an inserting groove is formed in the axial wedge at a position corresponding to the mounting hole, a cross head is sleeved at the tail end of the pull rod, and four shifting forks of the cross head are fixedly inserted into the inserting groove through the corresponding mounting holes respectively;

the fan-shaped plate comprises an arc-shaped top surface and a second sliding inclined surface; a plurality of first sliding inclined planes which are arranged corresponding to the second sliding inclined planes are uniformly distributed above the axial inclined wedge, and a rectangular sliding hole is formed between every two adjacent first sliding inclined planes; the axial wedge and the sector plate are connected with the mandrel through a sliding hole by a disc spring screw, so that the axial wedge is in axial sliding connection with the mandrel and the sector plate, and the sector plate makes radial telescopic motion relative to the mandrel, thereby realizing expansion and contraction of the winding drum;

and the winding drum is clamped with a bearing position, a gear position and a support end bearing position on a main shaft of the uncoiler at one time during true circle fine machining.

According to the technical scheme, the hydraulic cylinder drives the pull rod to do axial telescopic motion, the crosshead fixed at the tail end of the pull rod moves along with the pull rod, the shifting fork of the crosshead drives the axial wedge to do axial motion, the axial wedge moves left and right relative to the disc spring screw sliding hole when doing the axial motion, the axial wedge pushes the sector plate to do radial motion, the expansion and contraction of the winding drum are realized by arranging the axial wedge and arranging a second sliding inclined plane on the sector plate, the structure is relatively simpler, and meanwhile, the expansion and contraction interval of the winding drum can be changed by replacing the axial wedge sector plates with different inclination angles, so that the winding drum adapts to different requirements, and the application range is wider; the reel true circle finish machining with main epaxial bearing position, gear position and support end bearing position once adorn the card and accomplish, compare the split type structure of head cover axle, this kind of structure can wholly promote reel intensity, precision and axiality now, effectively reduces the value of beating simultaneously, better user demand who satisfies the customer.

Preferably, a plurality of fixing grooves for mounting the disc spring screw rods are uniformly distributed on the sector plate at positions corresponding to the straight grooves, connecting holes are formed in the bottoms of the fixing grooves, and a cover plate is arranged above the fixing grooves; the diameter of the connecting hole is larger than the size of the screw rod of the disc spring screw rod and smaller than the size of the disc spring on the upper part of the disc spring screw rod. The disc spring part of the disc spring screw is located in the mounting groove, the screw part of the disc spring screw can move in the connecting hole, when the axial wedge moves axially, the disc spring screw is fixed on the core shaft, so that the sector plates move radially along the vertical mounting direction of the disc spring screw, and the drum is assisted by the elastic compression amount of the disc spring in the disc spring screw to realize expansion and contraction.

Preferably, the mounting hole is rectangular, so that the shifting fork of the crosshead axially moves in the mounting hole.

Preferably, a copper sliding plate is respectively arranged on the bottom of the axial wedge and the first sliding inclined surface. The copper sliding plate has good wear resistance, and the service life of the axial wedge is prolonged.

Preferably, a plurality of first oil cups are arranged on the sector plate, and the bottoms of the first oil cups are communicated with the second sliding inclined plane. Lubricating oil is filled into the copper sliding plate through the first oil cup, so that the axial wedge and the sector plate can slide more smoothly and easily.

Preferably, a plurality of second oil cups are arranged in the axial wedge, and two ends of each second oil cup are respectively communicated with the bottom surface of the axial wedge and the copper sliding plate arranged on the first sliding inclined surface. Lubricating oil on the first sliding inclined plane reaches the bottom plate of the base through the second oil cup communicated with the base, so that the axial inclined wedge slides more smoothly in the straight groove, and the friction between the bottom surface of the axial inclined wedge and the straight groove of the mandrel is reduced.

Preferably, the first sliding slope and the second sliding slope are inclined at an angle of 15 °. The inclination angle can meet the expansion and contraction range of the winding drum and is convenient for relative movement between the axial wedge and the sector plate.

Preferably, the expansion and contraction range of the winding drum is from positive side 480 to negative side 520. The steel strip coil or the aluminum strip coil is convenient to dismount.

The utility model has the advantages that:

the winding drum of the utility model is clamped with the bearing position, the gear position and the bearing position of the supporting end on the main shaft at one time during processing to form an integrated structure, which is beneficial to improving the strength, the precision and the coaxiality of the winding drum, solves the problem of large jumping value in practical application and leads the use of customers to be more convenient; the expansion and contraction range of the winding drum can be changed by changing the angle of the inclined plane of the axial wedge and the stroke of the hydraulic cylinder. The utility model has simple integral structure and convenient disassembly and assembly, the installation and disassembly of the winding drum are more convenient through the disc spring screw, and simultaneously, the impact force to the sector plate can be reduced, and the service time of the winding drum is prolonged; the axial wedge copper sliding plate plays a role in protecting the axial wedge, and the wear resistance of the axial wedge is improved; lubricating oil is added to the copper sliding plate through the oil cup, so that the friction force between the axial wedge and the straight groove of the mandrel and between the axial wedge and the sector plate is reduced, and the axial wedge slides more smoothly. The utility model discloses an application range is comparatively extensive, can be used for decoiler equipment such as aluminium strip rolling mill, finishing, recoiling, operates steadily, and the value of beating is little, long service life, and the fault rate is low, maintains simply.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view taken along the direction C-C;

FIG. 3 is a schematic structural view of the mandrel;

FIG. 4 is a schematic view of the construction of the axial wedge;

FIG. 5 is a schematic structural view of a sector plate;

FIG. 6 is a schematic view of the crosshead;

fig. 7 is a partial enlarged view of the present invention.

In the figure: the structure comprises a mandrel 1, a pull rod 2, a rotary joint 3, a hydraulic cylinder 4, a support sleeve 5, a conical bearing 6, a sector plate 7, a crosshead 8, a mounting hole 9, an axial wedge 10, an insertion groove 11, a shifting fork 12, a fixing groove 13, a disc spring screw 14, a cover plate 15, a first oil cup 16, a second oil cup 17, a copper sliding plate 18, a sliding hole 19, a straight groove 20, a first sliding inclined surface 21 and a second sliding inclined surface 22.

Detailed Description

The invention is further described with reference to the following figures and examples.

As shown in fig. 1-7, the integrated shaft structure four-groove disc spring type winding drum comprises a mandrel 1, wherein the starting end of the mandrel 1 is connected with a hydraulic cylinder 4 provided with a rotary joint 3, the tail end of the mandrel 1 is connected with a support sleeve 5 through an assembled conical bearing 6, and the mandrel 1 is cylindrical; a through hole for installing a pull rod 2 is formed in the mandrel 1; four straight grooves 20 are uniformly distributed on the rear section of the mandrel 1 along the circumferential direction, cross-shaped penetrating mounting holes 9 are formed in the tail ends of the straight grooves 20, and the mounting holes 9 are rectangular.

An axial inclined wedge 10 is arranged in the straight groove 20, sector plates 7 are oppositely arranged above the axial inclined wedge 10, and the four sector plates 7 form a cylindrical shape after being assembled; the axial wedge 10 is provided with an insertion groove 11 at a position corresponding to the mounting hole 9, the tail end of the pull rod 2 is sleeved with a cross head 8, four shifting forks of the cross head 8 are respectively fixedly inserted into the insertion groove 11 through the corresponding mounting holes 9, and the shifting forks 12 of the cross head 8 axially move in the mounting hole 9.

The sector plate 7 comprises an arc-shaped top surface and a second sliding inclined surface 22 with an inclination angle of 15 degrees; a plurality of fixing grooves 13 for mounting the disc spring screw rods 14 are uniformly distributed on the fan-shaped plate 7 at positions corresponding to the straight grooves 20, connecting holes are formed in the bottoms of the fixing grooves 13, and a cover plate 15 is arranged above the fixing grooves 13; the diameter of the connecting hole is larger than the size of the screw rod of the disc spring screw rod 14 and smaller than the size of the disc spring on the upper part of the disc spring screw rod 14.

A plurality of first sliding inclined planes 21 which are opposite to second sliding inclined planes 22 are uniformly distributed above the axial wedge 10, the inclination angle of each first sliding inclined plane 21 is 15 degrees, rectangular sliding holes 19 are formed between the adjacent first sliding inclined planes 21, and copper sliding plates 18 are respectively arranged at the bottom of the axial wedge 10 and the first sliding inclined planes 21; dish spring screw passes through fixed orifices 13, sliding hole 19 and is connected axial slide wedge 10, sector plate 7 and dabber 1, wherein axial slide wedge 10 with all be axial sliding connection between dabber 1 and the sector plate 7, sector plate 7 is relative dabber 1 and axial slide wedge 10 are radial concertina movement, thereby drive pull rod under the pneumatic cylinder drive,. cross head, axial slide wedge etc. do axial motion and promote the sector plate and do radial motion and realize the harmomegathus of reel.

A plurality of first oil cups 16 are arranged on the sector plate 7, and the bottoms of the first oil cups 16 are communicated with the second sliding inclined plane. A plurality of second oil cups 17 are arranged in the axial wedge 10, and two ends of the second oil cups 17 are respectively communicated with the bottom of the axial wedge 10 and copper sliding plates 18 arranged on the first sliding inclined surface 21.

The reel is in real circle finish machining with the epaxial bearing position of the main shaft of decoiler, gear position and support end bearing position dress card completion once, the range of harmomegathus of reel is in 480 in the week 520 in.

The mandrel is forged by 42CrMo alloy, is subjected to quenching and tempering, is formed by four straight grooves through numerical control machining, and a deep hole in the central hole of the mandrel is drilled through; the sector plate is made of a 42CrMo alloy forging and is subjected to quenching and tempering treatment, and the axial wedge, the sector plate and the core shaft are connected by using a disc spring screw rod.

The utility model discloses a theory of operation: the pull rod 2 is arranged in a central through hole of the mandrel 1, four shifting forks of the crosshead 8 are fixedly arranged in the inserting groove 11 of the axial wedge 10, the pull rod 2 is driven by the hydraulic cylinder 4 to move in the through hole in an extending mode, the axial wedge 10 is driven to slide axially in a straight groove 20 of the mandrel 1, and meanwhile the sector plate 7 is pushed to move radially, so that expansion and contraction of the winding drum are achieved. When a steel belt or an aluminum belt is wound, the winding drum is reduced, the initial end of the winding drum is driven to rotate through the rotary joint 3, and the tail end of the winding drum rotates through the conical bearing 6 and the supporting sleeve 5; after the plate rolling is finished, the hydraulic cylinder 4 drives the pull rod 2 to do extension movement, so that the winding drum expands tightly, the expansion and contraction winding drum is driven by the transmission mechanism to rotate, the winding drum of the uncoiling machine is driven to be uncoiled, and the uncoiled winding drum is conveyed to the background through other mechanisms to provide raw materials for the coiling machine.

The apparatus elements referred to in the above embodiments are conventional apparatus elements unless otherwise specified, and the structural arrangements, operations, or controls referred to in the above embodiments are conventional in the art unless otherwise specified.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (8)

1. A kind of integrative axle construction four trough disc spring type reel, including the dabber, the beginning of the said dabber links with the fluid cylinder equipped with swivel joint, its end is connected with supporting the set through assembling the conical bearing, characterized by that, the said dabber takes the form of the cylinder; a through hole for installing a pull rod is formed in the mandrel; four straight grooves are uniformly distributed on the rear section of the mandrel along the circumferential direction, and cross-shaped penetrating mounting holes are formed in the tail ends of the straight grooves; an axial inclined wedge is arranged in the straight groove, sector plates are oppositely arranged above the axial inclined wedge, and the four sector plates form a cylinder after being assembled; an inserting groove is formed in the axial wedge at a position corresponding to the mounting hole, a cross head is sleeved at the tail end of the pull rod, and four shifting forks of the cross head are fixedly inserted into the inserting groove through the corresponding mounting holes respectively;

the fan-shaped plate comprises an arc-shaped top surface and a second sliding inclined surface; a plurality of first sliding inclined planes which are arranged corresponding to the second sliding inclined planes are uniformly distributed above the axial inclined wedge, and a rectangular sliding hole is formed between every two adjacent first sliding inclined planes; the axial wedge and the sector plate are connected with the mandrel through a sliding hole by a disc spring screw, so that the axial wedge is in axial sliding connection with the mandrel and the sector plate, and the sector plate makes radial telescopic motion relative to the mandrel, thereby realizing expansion and contraction of the winding drum;

and the winding drum is clamped with a bearing position, a gear position and a support end bearing position on a main shaft of the uncoiler at one time during true circle fine machining.

2. The integrated shaft structure four-groove disc spring type winding drum as claimed in claim 1, wherein a plurality of fixing grooves for mounting disc spring screws are uniformly distributed on the sector plates at positions corresponding to the straight grooves, connecting holes are formed in the bottoms of the fixing grooves, and cover plates are arranged above the fixing grooves; the diameter of the connecting hole is larger than the size of the screw rod of the disc spring screw rod and smaller than the size of the disc spring on the upper part of the disc spring screw rod.

3. The spool of claim 1, wherein the mounting bore is rectangular to allow axial movement of the yoke of the crosshead within the mounting bore.

4. The integrated shaft structure four-groove disc spring type winding drum according to claim 1, wherein copper sliding plates are respectively provided on the bottom of the axial wedge and the first sliding slope.

5. The spool of claim 4, wherein a plurality of first oil cups are provided on said sector plate, the bottom surfaces of said first oil cups communicating with said second sliding ramp.

6. The integrated shaft structure four-groove disc spring type winding drum as claimed in claim 5, wherein a plurality of second oil cups are arranged in the axial wedge, and both ends of the second oil cups are respectively communicated with the axial wedge base and the copper sliding plates arranged on the first sliding inclined surface.

7. The spool of claim 1, wherein the first and second sliding ramps are inclined at an angle of 15 °.

8. The spool of claim 1 wherein the range of expansion and contraction of the spool is between 480 and 520.

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