CN219310207U

CN219310207U - Five-channel finish rolling crop flying shears

Info

Publication number: CN219310207U
Application number: CN202320115773.9U
Authority: CN
Inventors: 马祥
Original assignee: Nanjing Gaojing Engineering Equipment Co ltd
Current assignee: Nanjing Gaojing Engineering Equipment Co ltd
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2023-07-07
Anticipated expiration: 2033-02-06

Abstract

The utility model discloses a five-channel finish rolling crop flying shear which comprises a frame, a flying shear mechanism and a speed change mechanism. The flying shear mechanism comprises two rotary drums, two groups of tool holders and blades are arranged on the periphery of each rotary drum, and limiting separation plates are fixedly arranged on the outer edges of the tool holders. The two drums drive the blades to rotate simultaneously, the shearing speed is high, the shearing force is large, the five rolled pieces can be cut at the same time, and the working efficiency of the equipment is improved. The speed change mechanism pushes the steel ball to rotate between the rotating disc and the clamping ring through the electric push rod, when the specification and the speed of the shearing rolled piece change, the output speed is set through setting the telescopic travel of the electric push rod, electric adjustment and multistage speed change can be realized, and the compatibility of equipment is improved.

Description

Five-channel finish rolling crop flying shears

Technical Field

The utility model relates to the technical field of steel rolling, in particular to a five-channel finish rolling crop flying shear.

Background

The head-cutting flying shears are indispensable equipment in high-speed bar production lines and are used for cutting the heads and the tails of rolled pieces and breaking during accidents. Five-channel finish rolling crop flying shears are arranged at the front end of a finishing mill group of a bar multi-line cutting production line, can cut the heads and the tails of five rolled pieces at the same time, can cut the defects of the heads of the rolled pieces at high speed and accurately, prevent the process accidents in the subsequent working procedures, reduce the steel clamping phenomenon and ensure the stable operation of a finishing mill. The utility model patent with the patent number of CN201520406731.6 discloses a flying shear, the speed of the flying shear body is changed through adjusting a gear box structure, the speed ratio is adjusted through manual two gears, and the working efficiency of the equipment is low and the compatibility is poor.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the following technical scheme: a five-channel finish rolling crop flying shear comprises a frame, a flying shear mechanism and a gear box. Five rolled piece channels are horizontally arranged on the stand in parallel, and a fixing plate is arranged on the side face of the stand. The flying shear mechanism comprises two rotary drums, one end of each rotary drum is provided with a rotating shaft, the two rotary drums are respectively located on the upper portion and the lower portion of the front end of a rolled piece channel, two groups of cutter holders are fixedly arranged on the axial direction of the periphery of each rotary drum, the two groups of cutter holders are symmetrical along the axis center of each rotary drum, blades are fixedly arranged on the cutter holders, limiting separation plates are fixedly arranged on the outer edges of the cutter holders, a main transmission gear is arranged in each gear box, the upper end and the lower end of each main transmission gear are respectively meshed with the transmission gear, the rotating shafts penetrate through a fixing plate through first bearings and then are connected with output shafts of the transmission gears, the first bearings are fixed on the fixing plates through bearing blocks, the main transmission gears are connected with speed changing mechanisms through shaft couplings, the other ends of the speed changing mechanisms are connected with motors through shaft couplings, the speed changing mechanisms comprise a shell and transmission shafts, limiting sliding grooves are formed in the vertical direction of the inner walls of the shell, two rotating discs are vertically fixedly arranged on the transmission shafts, steel balls are symmetrically arranged between the rotating discs, the distance between the rotating discs is smaller than the diameter of the steel balls, oblique faces of the two rotating discs, the corresponding faces of the two rotating discs are provided with oblique faces which are matched with the steel balls, the peripheries, the two rotating discs are clamped between the shell and the two rotating discs, the two sliding blocks are fixedly arranged on the left shafts, the two sliding blocks are fixedly arranged on the connecting rods, and are fixedly connected with the end of the connecting rods through the sliding blocks, and the two sliding blocks, and the sliding blocks are fixedly connected with the sliding blocks through the sliding blocks.

Preferably, a torque limiter is respectively arranged between the speed change mechanism and the main transmission gear as well as between the speed change mechanism and the motor.

Preferably, the number of the steel balls is four, and the steel balls are symmetrically arranged between the rotating disc and the clamping ring.

Preferably, the front end of the stand is provided with a feeding mechanism, the feeding mechanism comprises a support, and the support is provided with a steel guide groove corresponding to the rolled piece channel.

Preferably, the bottoms of the speed change mechanism and the motor are respectively provided with a damping base.

Compared with the prior art, the utility model has the following beneficial effects:

1. the blades of the flying shear mechanism are arranged in a mode of being symmetrically arranged at the center of the double blades, the upper rotary drum and the lower rotary drum are arranged to drive the blades to synchronously rotate, the rotary drums shear rolled pieces from the upper part and the lower part simultaneously after rotating 180 degrees, the shearing speed is high, the shearing force is high, the five rolled pieces can be cut at the same time, and the working efficiency of the equipment is improved.

2. The speed change mechanism provided by the utility model can push the steel ball to rotate between the rotating disc and the clamping ring through the electric push rod, the power transmitted by the motor is transmitted through the steel ball and the rotating disc, and the rotating axis of the steel ball is inclined to change the relative length of the contact track of the steel ball and the rotating disc, so that the output speed is changed. When the specification and the speed of the shearing rolled piece change, the output speed is set by setting the telescopic travel of the electric push rod, so that electric adjustment and multistage speed change can be realized, and the compatibility of equipment is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

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

FIG. 4 is a schematic view of a flying shear mechanism according to the present utility model;

fig. 5 is a schematic view of the transmission mechanism of the present utility model.

In the figure: 1-a frame; 101-a product channel; 2-a fixing plate; 3-flying shear mechanism; 301-a drum; 302-a rotating shaft; 303-a knife holder; 304-a blade; 305-limiting baffle plates; 4-a gear box; 401-main drive gear; 402-a transmission gear; 5-bearing seats; a 6-coupling; 7-a speed change mechanism; 701-a housing; 702-a drive shaft; 703-limiting sliding grooves; 704-rotating the disc; 705-steel ball; 706-snap ring; 707-left link; 708-right link; 709-a slider; 710-electric push rod; 711-fixing blocks; 8-a motor; 9-a torque limiter; 10-a feeding mechanism; 1001-supporting seat; 1002-a steel guide groove; 11-a shock absorption base; 12-rolling piece.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purposes and the effects of the present utility model easy to understand, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "configured to," "connected," and the like are to be construed broadly as, for example, "connected" may be either fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intermediary, or in communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, embodiments of the present utility model: a five-channel finish rolling crop flying shear comprises a frame 1, a flying shear mechanism 3, a gear box 4 and a speed change mechanism 7. Five rolling stock passages 101 are horizontally arranged on the frame 1 in parallel and can simultaneously pass through five rolling stock. The front end of the frame 1 is provided with a feeding mechanism 10, the feeding mechanism 10 comprises a support 1001, and the support 1001 is provided with a steel guide groove 1002 corresponding to the rolled piece channel 101. The side of the frame 1 is provided with a fixed plate 2, and the flying shear mechanism 3 is fixed by the fixed plate 2 and is connected with a gear box 4. A main transmission gear 401 is arranged in the gear box 4, and transmission gears 402 are respectively meshed with the upper end and the lower end of the main transmission gear 401. The main transmission gear 401 is connected to the speed change mechanism 7 through the coupling 6, and the other end of the speed change mechanism 7 is connected to the motor 8 through the coupling 6. The bottoms of the speed change mechanism 7 and the motor 8 are respectively provided with a shock absorption base 11.

Referring to fig. 4, the flying shear mechanism 3 includes two drums 301, one end of each drum 301 is provided with a rotating shaft 302, the two drums 301 are respectively located at the upper part and the lower part of the front end of the rolled piece channel 101, the rotating shafts 302 of the drums 301 pass through the fixed plate 2 through first bearings and are respectively connected with an output shaft of a transmission gear 402, and the first bearings are fixed on the fixed plate 2 through bearing blocks 5. Two groups of tool holders 303 are fixedly arranged on the periphery of each rotary drum 301 in the axial direction, the two groups of tool holders 303 are symmetrical along the center of the axis of the rotary drum 301, blades 304 are fixedly arranged on the tool holders 303, the two rotary drums drive the blades to synchronously rotate, the rotary drums shear rolled pieces from the upper part and the lower part simultaneously after rotating 180 degrees, the shearing force is large, the five rolled pieces can be cut at the same time, and the working efficiency of equipment is improved. The outer edge of the tool apron 303 is fixedly provided with a limiting baffle 305, so that when the flying shear mechanism 3 rotates to shear the rolled piece, the rolling piece of each rolled piece channel 101 can be guided and limited, and the rolled piece can be prevented from deviating from the rolled piece channel 101 during shearing.

Referring to fig. 5, the speed change mechanism 7 includes a housing 701 and a transmission shaft 702, a limit chute 703 is provided on the inner wall of the housing 701 in a direction perpendicular to the transmission shaft 702, two rotating disks 704 are vertically fixed on the transmission shaft 702, steel balls 705 are symmetrically provided between the rotating disks 704, the distance between the rotating disks 704 is smaller than the diameter of the steel balls 705, chamfer surfaces corresponding to the peripheries of the steel balls 705 are provided on opposite surfaces of the two rotating disks 704, the steel balls 705 are clamped between the housing 701 and the two rotating disks 704 by a clamping ring 706, a left connecting rod 707 and a right connecting rod 708 are symmetrically and fixedly provided on the horizontal central axis of the steel balls 705, a sliding block 709 is provided at the end of the left connecting rod 707, the sliding block 709 is clamped in the limit chute 703, the sliding block 709 can slide in the limit chute 703, the end of the right connecting rod 708 is connected with an electric push rod 710 by a rotating shaft, the other end of the electric push rod 710 is fixed on a fixed block 711, and the fixed block 711 is sleeved on the transmission shaft 702 by a second bearing and is fixedly connected with the side wall of the housing 701. In order to prevent slipping of the device under start-up or impact load, a torque limiter 9 may be provided between the gear change mechanism 7 and the main gear 401 and the motor 8, respectively. In the embodiment, the number of the steel balls 705 is four, and the steel balls 705 are symmetrically arranged between the rotating discs 704 respectively. The electric push rod 710 pushes the steel ball 705 to rotate between the rotating disc 704 and the clamping ring 706, and the power transmitted by the motor 8 is transmitted to the main transmission gear 401 through the steel ball 705 and the rotating disc 704. The inclination of the rotation axis of the steel ball 705 changes the relative length of the contact track of the steel ball 705 and the two rotating discs 704, the relative speeds of rotation of the two rotating discs 704 are different, and the output speed is changed, so that the shearing speed and shearing force adjustment of the flying shear mechanism 3 are changed. When the specification and the speed of the shearing rolled piece are changed, the output speed is set by setting the telescopic travel of the electric push rod 710, so that the electric regulation and the multistage speed change of the rotating speed of the flying shear mechanism 3 can be realized, and the compatibility of equipment is improved.

When the device is used, the electric push rod 710 is electrically regulated according to the specification and the speed of a shearing rolled piece, the steel balls 705 are pushed to rotate and incline, the contact track of the steel balls 705 and the rotating discs 704 is regulated, and the inclination angle of each steel ball 705 is ensured to be the same, so that the relative speed of the two rotating discs 704 is changed, the main transmission gear 401 is driven to rotate through the transmission shaft 702, the main transmission gear 401 drives the transmission gear 402 meshed with the main transmission gear 401 to rotate, and the two transmission gears 402 simultaneously reversely rotate to drive the flying shear mechanism 3 to shear the five-channel rolled piece. According to the flying shear mechanism 3, the double blades shear the five-channel rolled piece up and down at the same time, so that the working efficiency of equipment is improved; the speed change mechanism 7 adjusts the rotation speed of the flying shears, changes the rotation speed and the shearing force of the flying shears, and improves the compatibility of equipment.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but any modifications, substitutions and variations made by those skilled in the art without departing from the principle and spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a five passageway finish rolling crop flying shears, includes frame (1), and the level is equipped with five rolled piece passageway (101) side by side on frame (1), and the side of frame (1) is equipped with fixed plate (2), its characterized in that: the flying shear mechanism (3) comprises two rotary drums (301), one end of each rotary drum (301) is provided with a rotary shaft (302), the two rotary drums (301) are respectively positioned at the upper part and the lower part of the front end of a rolled piece channel (101), two groups of tool holders (303) are fixedly arranged on the axial direction of the periphery of each rotary drum (301), the two groups of tool holders (303) are symmetrical along the center of the axis of the rotary drum (301), blades (304) are fixedly arranged on the tool holders (303), a limit baffle (305) is fixedly arranged on the outer edge of each tool holder (303), a main transmission gear (401) is arranged in each gearbox (4), the upper end and the lower end of each main transmission gear (401) are respectively meshed with a transmission gear (402), the rotary shafts (302) are connected with an output shaft of the transmission gear (402) after penetrating through a fixed plate (2) through a first bearing, the first bearing is fixed on the fixed plate (2), the main transmission gear (401) is connected with a speed change mechanism (7) through a shaft bearing seat (5), the other end of the speed change mechanism (7) is connected with a motor (6) through a shaft coupling (8), the other end of the speed change mechanism (7) is connected with a housing (702) through a motor (8), the speed change mechanism (702) and the direction perpendicular to the transmission shaft (702) is provided with the transmission shaft (702), two rotating discs (704) are vertically and fixedly arranged on a transmission shaft (702), steel balls (705) are symmetrically arranged between the rotating discs (704), the distance between the rotating discs (704) is smaller than the diameter of the steel balls (705), inclined planes which are adaptive to the peripheries of the steel balls (705) are arranged on opposite surfaces of the two rotating discs (704), the steel balls (705) are clamped between the casing (701) and the inclined planes of the two rotating discs (704) through clamping rings (706), left connecting rods (707) and right connecting rods (708) are symmetrically and fixedly arranged on the horizontal axis of the steel balls (705), sliding blocks (709) are arranged at the end parts of the left connecting rods (707), the sliding blocks (709) are clamped in limiting sliding grooves (703), the end parts of the right connecting rods (708) are connected with electric pushing rods (710) through rotating shafts, and the other ends of the electric pushing rods (710) are fixedly arranged on fixing blocks (711) which are sleeved on the transmission shaft (702) through second shafts and fixedly connected with the side walls of the casing (701).

2. The five-pass finish rolling crop flying shear of claim 1, wherein: torque limiters (9) are respectively arranged between the speed change mechanism (7) and the main transmission gear (401) as well as between the speed change mechanism and the motor (8).

3. The five-pass finish rolling crop flying shear of claim 1, wherein: the number of the steel balls (705) is four, and the steel balls (705) are symmetrically arranged between the rotating disc (704) and the clamping ring (706).

4. The five-pass finish rolling crop flying shear of claim 1, wherein: the front end of the stand (1) is provided with a feeding mechanism (10), the feeding mechanism (10) comprises a support (1001), and the support (1001) is provided with a steel guide groove (1002) corresponding to the rolled piece channel (101).

5. The five-pass finish rolling crop flying shear of claim 1, wherein: damping bases (11) are respectively arranged at the bottoms of the speed change mechanism (7) and the motor (8).