CN212093727U

CN212093727U - Hot rolling endless rolling high-speed shearing and pressing equipment

Info

Publication number: CN212093727U
Application number: CN202020419086.2U
Authority: CN
Inventors: 杨固川; 杨远平
Original assignee: CISDI Technology Research Center Co Ltd
Current assignee: CISDI Technology Research Center Co Ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-12-08
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a hot rolling headless rolling is cut at a high speed and is pressed equipment belongs to metallurgical machinery and equips technical field, this equipment is including cutting the pressure body, by the frame, go up the rotary drum, go up the shear blade, cut the pressure head down, lower rotary drum, go up the hydraulic cylinder, lower hydraulic cylinder, balancing unit, the bearing frame is constituteed, go up the rotary drum and locate the frame through the bearing frame respectively with lower rotary drum, go up the hydraulic cylinder and all locate in the frame with lower hydraulic cylinder and act on respectively the rotary drum, the bearing frame that lower rotary drum corresponds, balancing unit locates in the frame and is used for hanging the bearing frame of going up the rotary drum, upward be equipped with the shear blade on the rotary drum, down be equipped with on the rotary drum with go up the shear blade cooperation and. The equipment realizes hot rolling of the high-speed strip steel in the metallurgical steel industry in a continuous rolling manner at a speed of 5-20 m/s, and has the advantages of simple equipment structure and low cost.

Description

Hot rolling endless rolling high-speed shearing and pressing equipment

Technical Field

The utility model belongs to the technical field of metallurgical machinery equipment, concretely relates to hot rolling headless rolling is cut at a high speed and is pressed equipment.

Background

At present, domestic endless hot rolled strip steel high-speed flying shears are mainly introduced to foreign technologies, and domestic autonomous design and manufacture has no literature report and application. Introducing a high speed shearing apparatus is very expensive. China is researching and developing endless hot-rolled strip steel core technical equipment, and high-speed segmental shearing is one of key core technical equipment.

The high-speed flying shear for headless rolling of foreign hot strip steel mainly comprises the following technologies: bearings at two ends of a supporting shaft of the upper rotary drum and the lower rotary drum of the shearing machine are respectively provided with an eccentric sleeve, and an upper shearing edge of an upper rotary drum belt and a lower shearing edge of a lower rotary drum belt are driven to synchronously rotate to realize shearing; meanwhile, the upper eccentric sleeve and the lower eccentric sleeve at two ends of the rotary drum respectively rotate synchronously, and the upper shear blade and the lower shear blade are respectively driven to approach the shearing strip steel during shearing or leave the strip steel to normally pass through when the strip steel is not sheared. The disadvantages of this technique are: 1) the flying shear has a complex structure and high use and maintenance cost; 2) the horizontal clearance and the vertical overlapping quantity of the shear blade are adjusted complicatedly; 3) when no head is used in conventional rolling, the flying shear needs to be integrally moved to leave a rolling line and be refilled with a roller way, and the machine is stopped when functions are converted, so that the production efficiency is low. Therefore, it is very necessary to find a high-speed shearing and pressing device for hot rolling endless rolling with proprietary intellectual property rights, which can meet the production requirements of hot rolling endless rolling.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a high-speed shearing and pressing device for hot rolling endless rolling to solve the problem of steel product segmentation in endless rolling so as to coil.

The utility model discloses a realize through following technical scheme:

the utility model provides a pair of hot rolling headless rolling is cut pressure equipment at a high speed is equipped with, including cutting the pressure body, by the frame, go up the rotary drum, go up the shear blade, cut the pressure head down, down the rotary drum, go up the hydraulic cylinder, down hydraulic cylinder, balancing unit, bearing frame are constituteed, go up the rotary drum and locate the frame through the bearing frame respectively with lower rotary drum, go up the hydraulic cylinder and all locate in the frame with lower hydraulic cylinder and act on respectively the bearing frame that last rotary drum, lower rotary drum correspond, balancing unit locates in the frame and is used for hanging the bearing frame of going up the rotary drum, upward be equipped with the shear blade on the rotary drum, be equipped with on the lower rotary drum with go up the shear blade cooperation and cut the pressure head down.

Further, the corresponding surface of the lower shearing pressure head facing the upper shearing edge is an arc-shaped surface which is a convex arc.

Furthermore, the convex arc-shaped surface of the lower shearing pressure head is flush with the outer contour cambered surface of the lower rotary drum.

Furthermore, the device also comprises a transmission device which is respectively connected with the upper rotary drum and the lower rotary drum through transmission shafts.

Further, the device also comprises an inlet pinch roll and an outlet pinch roll which are arranged on the front side and the rear side of the rack.

The utility model has the advantages that:

1. the utility model discloses realize hot belted steel headless rolling shearing segmentation high-speed belted steel (speed range 5 ~ 20m/s), have equipment structure simple, reasonable, control convenient operation, it is with low costs, and move reliable and stable advantage.

2. The utility model does not need to adjust the horizontal clearance of the shear blades during shearing and pressing, and only needs the synchronous rotation of the upper and lower rotary drums; when in shearing and pressing, the opening degree of the upper shearing edge and the arc-shaped lower shearing pressure head is small, or the fixed base plate between the upper bearing seat and the lower bearing seat is adjusted.

3. The utility model is also suitable for conventional single-coil rolling, i.e. when no endless rolling is needed, the whole moving shear equipment is not needed to leave the rolling line, and only the upper hydraulic cylinder and the lower hydraulic cylinder are needed to respectively open the upper rotary drum and the lower rotary drum upwards and downwards; or only the upper rotary drum leaves upwards and the lower rotary drum is also used as a roller way, so that the head and the tail of the strip steel can normally pass through, and the normal production of the transported strip steel is ensured.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:

fig. 1 is a front view of the shearing and pressing device of the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a layout view of the shearing and pressing device of the present invention;

FIG. 4 is a position diagram of the shearing device of the present invention when shearing strip steel;

FIG. 5 is a position diagram of the shearing device of the present invention when the upper and lower rotating drums are opened;

element number description: the device comprises a frame 1, an upper rotary drum 2, an upper shear blade 3, an inlet pinch roll 4, a lower rotary drum 5, a lower hydraulic cylinder 6, an outlet pinch roll 7, a lower shear head 8, a bearing seat 9, an upper hydraulic cylinder 10, a balancing device 11, a transmission shaft 12 and strip steel 13.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present embodiment, it should be understood that, if there are orientations or positional relationships indicated by terms "upper", "lower", "left", "right", "front", "rear", etc. based on the orientations or positional relationships shown in the drawings, the description is only for convenience and simplicity, and the indication or suggestion that the indicated device or element must have a specific orientation, be configured in a specific orientation, and operate, therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes, and are not to be construed as limitations on the technical solution, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

As shown in fig. 1-2, the high-speed shearing apparatus for hot rolling endless rolling in this embodiment includes a shearing body, and a transmission device, a hydraulic, lubricating and electrical control system (not shown) connected to the shearing body, the shearing body includes a frame 1, an upper rotary drum 2, an upper shearing blade 3, a lower rotary drum 5, a lower hydraulic cylinder 6, a lower shearing head 8, a bearing seat 9, an upper hydraulic cylinder 10 and a balancing device 11, the upper rotary drum 2 and the lower rotary drum 5 are respectively mounted on the frame 1 through the bearing seat 9, the upper hydraulic cylinder 10 and the lower hydraulic cylinder 6 are both mounted on the frame 1 and respectively used as the bearing seat 9 for moving the upper rotary drum 2 and the lower rotary drum 5, the balancing device 11 is mounted on the frame 1 and used for hanging the bearing seat 9 of the upper rotary drum 2 and used for balancing the weight of the upper rotary drum and the bearing seat corresponding to the upper rotary drum, the upper rotary drum 2 is mounted with the upper shearing blade 3 through a clamping device including a hydraulic cylinder, a spring, a, the lower rotary drum 5 is also provided with a lower shearing pressure head 8 which is matched with the upper shearing edge 3 to shear the strip steel 13, the transmission device can be provided with two sets which are arranged in parallel, the single set of transmission device is composed of a transmission shaft 12, a speed reducer, a brake coupling and a motor which are connected in sequence, the transmission shaft 12 is respectively in transmission connection with the upper rotary drum 2 or the lower rotary drum 5, an inlet pinch roll 4 and an outlet pinch roll 7 are arranged on the front side and the rear side of the frame 1 and used for clamping and conveying the strip steel passing through the front and the rear of the shearing pressure body, and meanwhile, the speed difference between the inlet pinch roll 4 and the outlet pinch roll 7 can be set so as to assist the strip steel to be sheared and pressed with certain tension and facilitate the.

The lower shear head 8 in this embodiment is provided with an arc-shaped surface facing the corresponding surface of the upper shear blade 3, and the arc-shaped surface adopts a convex arc structure. Preferably, the arc surface adopting the convex arc can be flush with the arc surface of the outer contour of the lower rotating drum 5 so as to facilitate the head and the tail of the strip steel to normally pass through.

As shown in fig. 3 to 5, the hot rolling endless rolling high-speed shearing method comprises the following steps: firstly, a transmission device transmits an upper rotating drum and a lower rotating drum, and an upper hydraulic cylinder drives the upper rotating drum and a lower hydraulic cylinder drives the lower rotating drum to approach each other to reach a shearing and pressing position; meanwhile, the speed V1 of the pinch strip steel of the inlet pinch roll is controlled to be smaller than the speed V2 of the pinch strip steel of the outlet pinch roll, so that the strip steel between the inlet pinch roll and the outlet pinch roll forms tension P to assist an upper shearing blade and a lower shearing pressure head to shear the strip steel, and the head and the tail of the sheared and segmented strip steel have space distances so as to realize coiling and coiling of the segmented strip steel in the subsequent process, wherein: the thickness H of the strip steel (about more than or equal to 0.5-6 mm, adjusted according to needs), and the clearance H between the upper shearing edge and the arc-shaped lower shearing pressure head (about more than or equal to 0.05, adjusted according to needs); when in shearing, the upper hydraulic cylinder drives the upper rotary drum and the lower hydraulic cylinder drives the lower rotary drum to reversely leave.

Preferably, the last step also has the alternative of: the upper rotary drum is driven by the upper hydraulic cylinder to reversely leave. Therefore, the lower rotating drum is also used as a roller way, and the normal production of the transported strip steel is ensured.

When the utility model shears and presses the band steel, the upper hydraulic cylinder drives the upper rotary drum, and the lower hydraulic cylinder drives the lower rotary drum to be close to each other, thereby realizing the function of shearing and pressing the band steel; when the strip steel is not subjected to sectional shearing pressure, the upper hydraulic cylinder drives the upper rotary drum and the lower hydraulic cylinder drives the lower rotary drum to separate, so that the passing function of conventional strip steel single-coil rolling is realized; or the upper rotary drum leaves upwards, the lower rotary drum is used as a roller way, and the head and the tail of the strip steel are transported to be produced normally; meanwhile, the horizontal clearance of the shear blades does not need to be adjusted during shearing and pressing, and only the upper rotary drum and the lower rotary drum rotate synchronously; moreover, when in shearing and pressing, the gap between the upper shearing edge and the arc-shaped lower shearing pressure head is small, or the fixed base plate between the upper bearing seat and the lower bearing seat is adjusted.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The hot-rolling endless rolling high-speed shearing and pressing equipment is characterized by comprising a shearing and pressing body, wherein the shearing and pressing body consists of a rack (1), an upper rotary drum (2), an upper shearing blade (3), a lower rotary drum (5), a lower hydraulic cylinder (6), a lower shearing head (8), a bearing seat (9), an upper hydraulic cylinder (10) and a balance device (11), the upper rotary drum and the lower rotary drum are respectively arranged on the rack through the bearing seat, the upper hydraulic cylinder and the lower hydraulic cylinder are respectively arranged on the rack and respectively act on the bearing seats corresponding to the upper rotary drum and the lower rotary drum, the balance device is arranged on the rack and is used for hanging the bearing seats of the upper rotary drum, the upper shearing blade is arranged on the upper rotary drum, and the lower shearing head matched with the upper shearing blade is arranged on the lower rotary drum to shear the.

2. The hot rolled endless rolling high speed shearing and pressing equipment as claimed in claim 1, wherein a corresponding surface of the lower shearing head facing the upper shearing edge is provided as an arc-shaped surface, and the arc-shaped surface is a convex arc.

3. The hot-rolled endless rolling high-speed shearing and pressing equipment as claimed in claim 2, wherein the convex arc-shaped surface of the lower shearing and pressing head is flush with the outer contour arc surface of the lower rotary drum.

4. The hot rolling endless rolling high speed shearing and pressing equipment as claimed in claim 1, further comprising a transmission device connected to the upper rotary drum and the lower rotary drum through a transmission shaft (12), respectively.

5. The hot rolling endless rolling high speed shearing and pressing equipment as claimed in claim 1, further comprising an inlet pinch roll (4) and an outlet pinch roll (7) provided at the front and rear sides of the stand.