Coiling shaft for metallurgical plate and strip coiling machine

Abstract

The utility model relates to the technical field of metal strip processing equipment, and discloses a coiling shaft for a metallurgical plate strip coiling machine. Comprising a hollow main shaft, a main shaft coaxially nested in the hollow main shaft, a plurality of fan-shaped plates uniformly distributed in the circumferential direction of the tail of the inner main shaft, positioning rings fixed to one ends of the fan-shaped plates, a front copper sleeve, a rear copper sleeve, guide keys arranged in the middle of the hollow main shaft and on the surface of the inner main shaft, and a cylinder base fixed to one end of the hollow main shaft, the oil cylinder is mounted at one end of the cylinder seat, and the pipe joint is mounted at one end of the oil cylinder. According to the coiling shaft for the metallurgical plate and strip coiling machine, radial stretching and retracting of the sector plates are driven through the oil cylinders, power is transmitted through the high-pressure characteristic of the hydraulic system, compared with a pneumatic system, the hydraulic system is higher in pressure, remote control can be achieved through a pipeline, manual field operation is not needed, and delay and instability of the pneumatic system caused by gas compressibility are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal strip processing equipment technical field, concretely is the winding shaft for metallurgical plate strip coiler. BACKGROUND

[0002] Metallurgical plate strip refers to the plate and strip metal material produced through metallurgical process, and these materials usually have good mechanical properties and processing performance, are widely used in various industrial fields, and at present, the winding shaft with a diameter less than 150mm is usually adopted in the production of metallurgical plate strip, but the pneumatic expanding shaft has the following shortcomings in use:

[0003] 1, the tension is small, and it is easy to slip in work;

[0004] 2, the large and small diameter range is small, and it causes the difficulty of installing the material roll;

[0005] 3, the air bag is easy to age;

[0006] 4, need on-site operation, the safety is low, and automation cannot be realized;

[0007] 5, the relative bearing capacity is small. CONTENT OF THE UTILITY MODEL

[0008] (I) the technical problem solved

[0009] In order to overcome the above-mentioned defects of prior art, the utility model provides the winding shaft for metallurgical plate strip coiler, solves the problems of prior art that:

[0010] 1, the tension is small, and it is easy to slip in work;

[0011] 2, the large and small diameter range is small, and it causes the difficulty of installing the material roll;

[0012] 3, the air bag is easy to age;

[0013] 4, need on-site operation, the safety is low, and automation cannot be realized;

[0014] 5, the relative bearing capacity is small.

[0015] (II) technical scheme

[0016] In order to realize the above object, the utility model is realized through the following technical scheme: the winding shaft for metallurgical plate strip coiler, comprising:

[0017] The hollow spindle, the inner spindle coaxially nested inside the hollow spindle, the plurality of sector plates uniformly distributed along the circumference of the tail of the inner spindle, the positioning ring fixed to one end of the sector plate, the front copper sleeve and the rear copper sleeve sleeved on both ends of the inner spindle, the guide key arranged on the surface of the inner spindle and the middle part of the hollow spindle, the cylinder seat fixed to one end of the hollow spindle, the oil cylinder mounted on one end of the cylinder seat, and the pipe joint mounted on one end of the oil cylinder.

[0018] The oil cylinder drives the inner spindle to radially expand and contract along the guide key through hydraulic drive, and the front copper sleeve and the rear copper sleeve are respectively provided with a first oil cup and a second oil cup.

[0019] Optionally, the oil cylinder and the cylinder seat are fixedly connected through a first screw and a second spring washer.

[0020] Optionally, the first oil cup and the second oil cup are embedded in the middle part of the hollow spindle, and the end parts thereof are respectively in contact with the surfaces of the front copper sleeve and the rear copper sleeve.

[0021] Optionally, the guide key and the hollow spindle are fixedly connected through a second screw and a third spring washer.

[0022] Optionally, the positioning ring and the hollow spindle are locked by a bolt and a first spring washer.

[0023] Optionally, the guide key is a rectangular key, and the length of the rectangular key matches the expansion and contraction stroke of the sector plate.

[0024] (Three) beneficial effects

[0025] The utility model provides a winding shaft for metallurgical plate and strip coiler, has the following beneficial effects:

[0026] 1、the winding shaft for metallurgical plate and strip coiler, through the radial expansion and contraction of oil cylinder drive sector plate, utilize the high pressure characteristic transmission power of hydraulic system, compared with pneumatic system, hydraulic system pressure is higher, can realize long -distance control through pipeline, need not manual field operation, avoid the delay and instability caused by gas compressibility of pneumatic system.

[0027] 2、the winding shaft for metallurgical plate and strip coiler, the inner spindle is pushed along the guide key and moves radially through the oil cylinder, the high pressure characteristic of hydraulic oil can provide greater thrust, at the same time, the contact area of sector plate and material roll increases, further disperses pressure, improves bearing capacity, is applicable to the high tension demand of heavy plate and strip winding, avoids the problem of skidding, and the sector plate is designed as a plurality of independent modules, and the large -range expansion and contraction are realized through the accurate control of the stroke of the oil cylinder, the positioning ring ensures the synchronism and stability of the sector plate when expanding and contracting, solves the problem of small diameter adjustment range of pneumatic expansion shaft, adapts to material rolls of different inner diameters, and reduces the roll changing time.

[0028] 3、The metallurgical plate strip coiler is provided with the coiling shaft, the front copper sleeve and the rear copper sleeve, and the first oil cup and the second oil cup, so that the self-lubricating system is formed, the friction loss is reduced, the service life is prolonged, the hydraulic system adopts the closed oil way, the air bag does not need to be frequently replaced, and the comprehensive cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a structural schematic view of the utility model;

[0030] Figure 2 It is an internal structural schematic view of the utility model;

[0031] Figure 3 It is the utility model Figure 2 It is an enlarged structural schematic view of A in the utility model;

[0032] Figure 4 It is the utility model Figure 2 It is an enlarged structural schematic view of B in the utility model;

[0033] Figure 5 It is the utility model Figure 2 It is an enlarged structural schematic view of C in the utility model;

[0034] Figure 6 It is the utility model Figure 2 It is an enlarged structural schematic view of D in the utility model.

[0035] In the drawing: 1, hollow main shaft; 2, inner main shaft; 3, sector plate; 4, positioning ring; 5, front copper sleeve; 6, rear copper sleeve; 7, guide key; 8, cylinder seat; 9, oil cylinder; 10, first spring washer; 11, bolt; 13, pipe joint; 14, first oil cup; 15, second oil cup; 16, second spring washer; 17, first screw; 18, third spring washer; 19, second screw. DETAILED DESCRIPTION

[0036] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0037] Embodiment one:

[0038] Please refer to Figures 1 to 6 The utility model provides technical scheme: metallurgical plate strip coiler is provided with the coiling shaft, in order to not need manual operation when using, be provided with device cylinder seat 8, oil cylinder 9 and pipe joint 13;

[0039] The cylinder base 8 is fixed to one end of the hollow main shaft 1, the oil cylinder 9 is installed at one end of the cylinder base 8, and the pipe joint 13 is installed at one end of the oil cylinder 9, and the oil cylinder 9 and the cylinder base 8 are fixedly connected through the first screw 17 and the second spring washer 16, so that the cylinder base 8 is arranged to facilitate the installation of the oil cylinder 9, the oil cylinder 9 is arranged to control the movement of the inner shaft 2, and the first screw 17 and the second spring washer 16 are arranged to connect and fix the oil cylinder 9 and the cylinder base 8, thereby increasing the stability of the device.

[0040] Embodiment two:

[0041] In order to improve the carrying capacity of the device and adapt to different inner diameters of the roll, the hollow main shaft 1, the inner shaft 2, the fan-shaped plate 3, the positioning ring 4 and the guide key 7 are arranged.

[0042] The hollow main shaft 1, the inner shaft 2 coaxially nested in the hollow main shaft 1, the plurality of fan-shaped plates 3 uniformly distributed in the circumferential direction of the tail portion of the inner shaft 2, the positioning ring 4 fixed to one end of the fan-shaped plate 3, and the guide key 7 arranged on the surface of the hollow main shaft 1 and the inner shaft 2, the guide key 7 and the hollow main shaft 1 are fixedly connected through the second screw 19 and the third spring washer 18, the positioning ring 4 and the hollow main shaft 1 are locked by the bolt 11 and the first spring washer 10, the guide key 7 is a rectangular key, and the length of the guide key 7 matches the expansion and contraction stroke of the fan-shaped plate 3, so that the inner shaft 2 is arranged to control the expansion of the fan-shaped plate 3 through the air cylinder, the positioning ring 4 is arranged to ensure that each fan-shaped plate 3 is kept in circumferential synchronization during expansion or contraction, thereby avoiding partial load, the guide key 7 is arranged to control the expansion and contraction path of the inner shaft 2, the second screw 19 and the third spring washer 18 are arranged to fix the guide key 7 to the middle portion of the hollow main shaft 1, and the bolt 11 and the first spring washer 10 are arranged to fixedly connect the positioning ring 4 and the hollow main shaft 1, thereby increasing the stability of the device.

[0043] Embodiment three:

[0044] In order to reduce friction loss, the front copper sleeve 5, the rear copper sleeve 6, the first oil cup 14 and the second oil cup 15 are arranged.

[0045] The front copper sleeve 5 and the rear copper sleeve 6 are sleeved on both ends of the inner shaft 2, the front copper sleeve 5 and the rear copper sleeve 6 are respectively provided with the first oil cup 14 and the second oil cup 15, and the first oil cup 14 and the second oil cup 15 are embedded in the middle portion of the hollow main shaft 1 and respectively contact the surfaces of the front copper sleeve 5 and the rear copper sleeve 6, so that the first oil cup 14 and the second oil cup 15 are arranged to inject lubricating oil into the front copper sleeve 5 and the rear copper sleeve 6, thereby reducing friction loss.

[0046] In the utility model, the working steps of the device are as follows:

[0047] First, through the pipe joint 13 with the external hydraulic station cylinder 9 high pressure oil line connection, ensure that the hydraulic oil can be delivered to the oil cylinder 9 through the hollow spindle 1 internal passage, through the first oil cup 14 and the second oil cup 15 to the front copper bush 5 and the rear copper bush 6 injection lubricating grease, reduce the friction loss between the inner spindle 2 and the copper bush, after the hydraulic station starts, high pressure oil enters the oil cylinder 9, push the oil cylinder 9 piston rod along the axial movement, the piston rod through the mechanical linkage drive inner spindle 2 along the guide key 7 radial movement, make a plurality of sector plate 3 synchronous expansion to the set diameter, form the tensioning surface with the inner wall of the material roll close contact, after the material roll installation is completed, the hydraulic system maintains constant oil pressure, through the sector plate 3 and the inner wall of the material roll contact surface transmission big tension, drive the material roll rotation complete plate belt winding, winding is completed, the hydraulic station reduces the oil pressure, the oil cylinder 9 piston rod retraction, inner spindle 2 under the action of hydraulic oil return along the guide key 7 radial contraction to the minimum diameter, away from the inner wall of the material roll.

[0048] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. Coiling shaft for a metallurgical coiler, characterized in that, Include: Hollow spindle (1), coaxially nested inside the hollow spindle (1) inner spindle (2), a number of fan-shaped plate (3) evenly distributed along the tail of the inner spindle (2), fixed to the end of the fan-shaped plate (3) positioning ring (4), front copper sleeve (5) and rear copper sleeve (6) set in the inner spindle (2) both ends, set in the hollow spindle (1) middle and the surface of the inner spindle (2) guide key (7), fixed to the one end of the hollow spindle (1) cylinder seat (8), installed in the one end of the cylinder seat (8) oil cylinder (9), and installed in the one end of the oil cylinder (9) pipe joint (13); The oil cylinder (9) is driven by hydraulic drive to push the inner spindle (2) along the guide key (7) radial telescopic, the front copper sleeve (5) and the rear copper sleeve (6) are equipped with first oil cup (14) and second oil cup (15) respectively.

2. A metallurgical coiling shaft for a strip coiler according to claim 1, characterized in that: The oil cylinder (9) and the cylinder seat (8) are fixedly connected through the first screw (17) and the second spring washer (16).

3. The metallurgical coiling shaft for a strip coiler as claimed in claim 1, characterized in that: The first oil cup (14) and the second oil cup (15) are embedded in the middle of the hollow spindle (1), and the end part is respectively in contact with the surface of the front copper sleeve (5) and the rear copper sleeve (6).

4. The metallurgical coiling shaft for a plate coiler as claimed in claim 1, characterized in that: The guide key (7) and the hollow spindle (1) are fixedly connected through the second screw (19) and the third spring washer (18).

5. The metallurgical coiling shaft for a plate coiler as claimed in claim 1, characterized in that: The positioning ring (4) and the hollow spindle (1) are locked by bolt (11) and first spring washer (10).

6. The metallurgical coiling shaft for a strip coiler as claimed in claim 1, characterized in that: The guide key (7) is rectangular key, and the length is matched with the telescopic stroke of the fan-shaped plate (3).

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