CN213288883U

CN213288883U - High-precision flying shear

Info

Publication number: CN213288883U
Application number: CN202022405114.8U
Authority: CN
Inventors: 尹宣武
Original assignee: Nanjing Huida Machinery Equipment Co ltd
Current assignee: Nanjing Huida Machinery Equipment Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-05-28
Anticipated expiration: 2030-10-26

Abstract

The utility model belongs to the technical field of machining, concretely relates to high accuracy flying shear. The utility model comprises a first conveying device, a shearing device, a second conveying device and a controller; the shearing device is electrically connected with the controller; a first hot metal detector is arranged below one end of the first conveying device; one end of the shearing device is provided with a guide buffer device; a second hot metal detector is arranged below one end of the second conveying device; and ball screw pairs are symmetrically arranged on two sides of the second conveying device, a cylinder box is arranged on a sliding block of each ball screw pair, each ball screw pair is connected with a transmission box, and the transmission box is connected with a third motor electrically connected with the controller. The utility model discloses can prevent that panel from adding man-hour aversion to can cut according to panel rate of delivery, cool down the cutter simultaneously, improve the machining precision of panel.

Description

High-precision flying shear

Technical Field

The utility model belongs to the technical field of machining, concretely relates to high accuracy flying shear.

Background

A shearing machine for transversely shearing a rolled piece in operation is called a flying shear and is processing equipment capable of quickly cutting off iron plates, steel pipes and paper rolls. The flying shear is widely applied to the metallurgical steel rolling industry and the high-speed wire rod processing industry, is indispensable equipment in modern rolled bar shearing, and has the characteristics of low power consumption and low investment cost.

When the flying shear in the prior art shears a plate, the plate can shift when being sheared, so that the precision of the machined plate is not high; when the speed of the conveyed plate is changed, the shearing mechanism is difficult to adjust timely, so that the precision of the plate is reduced; meanwhile, the shearing precision can be influenced by the overheated cutter; when processing the great panel of quality, the conveyer belt among the prior art directly stands the great panel impact of quality, can reduce the life of conveyer belt.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned not enough, the utility model aims at providing a high accuracy flying shear.

The utility model provides a following technical scheme:

a high-precision flying shear comprises a first conveying device, a shearing device, a second conveying device and a controller; the conveying device is connected with a first motor; the shearing device is arranged at one end of the first conveying device and is electrically connected with the controller; a first hot metal detector electrically connected with the controller is arranged below one end of the first conveying device, which is close to the shearing device; one end of the shearing device, which is far away from the first conveying device, is provided with a guide buffer device, the guide buffer device comprises a bottom frame, the cross section of the bottom frame is U-shaped, damping columns are uniformly distributed at the bottom of an inner groove of the bottom frame, and the upper ends of the damping columns are provided with top plates; the second conveying device is arranged at one end, far away from the shearing device, of the guide buffering device and is connected with a second motor, and a second hot metal detector electrically connected with the controller is arranged below one end, close to the guide buffering device, of the second conveying device; ball screw pairs are symmetrically arranged on two sides of the second conveying device, a sliding block is arranged on each ball screw pair, a cylinder box is arranged on each sliding block, a cylinder electrically connected with the controller is arranged in each cylinder box, one end of a piston rod connected with the cylinder penetrates through a through hole formed in the bottom of each cylinder box and extends out of the cylinder box, and a pressing block is fixedly connected to one end of the piston rod extending out of the cylinder box; the ball screw pairs arranged on the two sides of the conveying device II are connected with a transmission box, and the transmission box is connected with a motor III electrically connected with the controller.

The top plate is positioned in the middle of the inner groove of the bottom frame.

And one end of the bottom frame, which is close to the shearing device, is provided with a guide plate.

And rollers are vertically and uniformly distributed on the upper part of the inner groove of the bottom frame and on the inner side of the guide plate.

The roller is a rubber wheel.

And the shearing device is provided with a fan.

An air supply pipe of the fan is fixedly arranged on an upper cutter holder of the shearing device; and the air nozzle connected with the air supply pipe is aligned to the upper cutter arranged on the upper cutter holder.

The material of the pressing block is rubber.

The bottom of the pressing block is provided with anti-skid grains.

The utility model has the advantages that:

the utility model can primarily guide and position the plate by installing the guide buffer device, and then the plate can be clamped and fixed by the clamping mechanism driven by the ball screw pair, thereby preventing the plate from shifting; a hot metal detector is arranged, so that the length of the plate to be cut can be accurately controlled according to the change of the plate conveying speed; the cutter is cooled by the fan, so that the influence of overheating of the cutter on the shearing precision is avoided; through direction buffer's buffer function, avoid panel directly to lead to the fact the impact to the conveyer belt, improved conveyer belt life.

Drawings

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

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic structural view of the guiding and buffering device of the present invention;

FIG. 4 is a schematic view of the tuyere installation position;

fig. 5 is a schematic view of a press block mounting position.

Labeled as: the device comprises a first conveying device 101, a first hot metal detector 102, a shearing device 103, a top plate 104, a roller 105, a second hot metal detector 106, a second conveying device 107, a ball screw pair 108, a third motor 109, a second motor 110, a transmission box 111, a slider 112, a cylinder box 113, a fan 114, a first motor 115, a shock absorption column 116, a bottom frame 117, an upper tool apron 118, a tuyere 119, an upper cutter 120, a guide plate 121 and a pressing block 122.

Detailed Description

As shown in the figure, the high-precision flying shear comprises a first conveying device 101, a shearing device 103, a second conveying device 107, a controller, a guide buffer device, a first hot metal detector 102, a second hot metal detector 106, a ball screw pair 108 and a third motor 109. The first conveying device 101 is connected with a first motor 115, and the first motor 115 can drive the conveyor belt on the first conveying device 101 to move, so that the sheet material conveyed by the conveying rollers and flattened can move on the conveyor belt. Two conveyor belts of the first conveying device 101 are symmetrically arranged, and a gap is reserved between the two conveyor belts. The shearing device 103 is cooperatively mounted at one end of the conveyor 101. The shearing device 103 is electrically connected with a controller, and the controller can control the shearing device 103 to start shearing or stop shearing. The shearing device 103 is provided with a fan 114, a blast pipe of the fan 114 is fixedly arranged on an upper cutter seat 118 of the shearing device 103 through a clamping ring, and an air nozzle 119 connected with the blast pipe is aligned with an upper cutter 120 arranged on the upper cutter seat 118, so that the air nozzle 119 can move along with the upper cutter 120. The cool air sent from the fan 114 is blown out from the air nozzle 119 through the blast pipe. When the upper cutter 120 and the lower cutter cut the plate, the cold air can reduce the temperature of the cutters, so that the cutting precision of the plate is prevented from being influenced due to overhigh temperature of the cutters.

The hot metal detector I102 is arranged below one end of the first conveying device I101 close to the shearing device 103 and is positioned between the two conveyor belts of the first conveying device I101. The hot metal detector 102 is electrically connected with the controller. When one end of a plate conveyed on the first conveying device 101 passes over the first hot metal detector 102, the first hot metal detector 102 transmits a signal to the controller, and when the length of the plate passing over the first hot metal detector 102 reaches the cutting requirement, the controller controls the cutting device 103 to cut. Therefore, the situation that the machining precision of the plate is reduced due to the fact that the cutter cannot be timely adjusted to work by the shearing device 103 when the speed of the plate conveyed by the conveying roller changes is avoided.

The guiding buffer device is installed at one end of the shearing device 103 far away from the first conveying device 101, and comprises a bottom frame 117, and the cross section of the bottom frame 117 is in a U shape, so that the bottom frame 117 forms an inner groove. The bottom of the inner groove of the bottom frame 117 is evenly provided with shock-absorbing columns 116, and the top plate 104 is arranged at the upper ends of the shock-absorbing columns 116. When the top plate 104 does not carry a plate at the upper end, the top plate 104 is located at the middle of the inner groove of the bottom frame 117. Guide plates 121 are further mounted at one end, close to the shearing device 103, of the bottom frame 117, and the guide plates 121 are symmetrically mounted at two ends of the bottom frame 117 and are mounted in a horn mouth shape. Rotatable rollers 105 are vertically and uniformly arranged on the upper part of an inner groove of the bottom frame 117 above the top plate 104 and the inner side of the guide plate 121, and the rollers 105 are rubber wheels. The plates delivered by the shearing device 103 are guided by the guide plate 121 and the bottom frame 117, so that the plates can be prevented from shifting, and the rollers 105 are arranged to help adjust the positions of the plates. The board falls on roof 104, and shock attenuation post 116 can reduce the impact force, has reduced the noise on the one hand, and on the other hand also avoids strikeing and causes the machine to damage, improves machine life.

The second conveying device 107 is installed at one end, far away from the shearing device 103, of the guiding and buffering device, the second conveying device 107 is connected with the second motor 110, and the second motor 110 can drive two conveyor belts of the second conveying device 107 to synchronously transmit. The ball screw pairs 108 are symmetrically arranged on two sides of the second conveying device 107, the ball screw pairs 108 arranged on two sides of the second conveying device 107 are connected with a transmission box 111, and the transmission box 111 is connected with a third motor 109 electrically connected with the controller. The ball screw pair 108 is provided with a slide block 112, the slide block 112 is provided with an air cylinder box 113, and the air cylinder box 113 is positioned above the conveyor belt of the second conveying device 107 on the same side. The controller can control the motor III 109 to drive the sliding blocks 112 on the two ball screw pairs 108 to drive the cylinder boxes 113 to synchronously move through the transmission box 111. Install the cylinder with controller electric connection in the cylinder case 113, outside the piston rod 121 one end that the cylinder is connected passed the through-hole that is equipped with on the cylinder case 113 and stretches out cylinder case 113, piston rod 121 stretches out the outer one end fixed mounting of cylinder case 113 has briquetting 122, for avoiding briquetting 122 to cause the damage to the panel surface, rubber is chooseed for use to the material of briquetting 122. The bottom of the pressing block 122 is also provided with anti-slip lines to increase friction. And a second hot metal detector 106 electrically connected with the controller is arranged below one end of the conveying device 107 close to the guide buffer device, and the second hot metal detector 106 is positioned between two conveyor belts of the second conveying device 107. When the plate moves above the second hot metal detector 106, the second hot metal detector 106 transmits a signal to the controller, the controller controls the third motor 109 to drive the sliding block 112 on the ball screw pair 108 to drive the cylinder box 113 to move to one end close to the guide buffer device, and then the controller controls the cylinder to drive the piston rod 121 to drive the pressing block 122 to move downwards, so that the pressing block 122 presses the plate on the conveyor belt of the second conveying device 107. And then the third motor 109 drives the slide block 112 on the ball screw pair 108 to drive the cylinder box 113 to move along with the conveyor belt of the second conveying device 107 until the shearing device 103 finishes shearing the other end of the plate. After the plate is cut, the pressing block 122 leaves the surface of the plate, and the cylinder box 113 moves to one end close to the guide buffer device along with the sliding block 112 to perform the next round of work.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-precision flying shear comprises a first conveying device (101), a shearing device (103), a second conveying device (107) and a controller; the method is characterized in that: the first conveying device (101) is connected with a first motor (115); the shearing device (103) is arranged at one end of the first conveying device (101), and the shearing device (103) is electrically connected with the controller; a first hot metal detector (102) electrically connected with the controller is arranged below one end of the first conveying device (101) close to the shearing device (103); a guide buffer device is installed at one end, far away from the first conveying device (101), of the shearing device (103), and comprises a bottom frame (117), the cross section of the bottom frame (117) is U-shaped, shock absorption columns (116) are uniformly distributed at the bottom of an inner groove of the bottom frame (117), and top plates (104) are installed at the upper ends of the shock absorption columns (116); the second conveying device (107) is installed at one end, far away from the shearing device (103), of the guide buffering device, the second conveying device (107) is connected with a second motor (110), and a second hot metal detector (106) electrically connected with the controller is installed below one end, close to the guide buffering device, of the second conveying device (107); ball screw pairs (108) are symmetrically arranged on two sides of the second conveying device (107), a sliding block (112) is arranged on each ball screw pair (108), an air cylinder box (113) is arranged on each sliding block (112), an air cylinder electrically connected with the controller is arranged in each air cylinder box (113), one end of a piston rod (131) connected with each air cylinder penetrates through a through hole formed in the bottom of each air cylinder box (113) and extends out of each air cylinder box (113), and a pressing block (122) is fixedly connected to one end, extending out of each air cylinder box (113), of each piston rod (131); the ball screw pairs (108) arranged on two sides of the second conveying device (107) are connected with a transmission box (111), and the transmission box (111) is connected with a third motor (109) electrically connected with the controller.

2. A high precision flying shear as claimed in claim 1, wherein: the top plate (104) is positioned in the middle of the inner groove of the bottom frame (117).

3. A high precision flying shear as claimed in claim 2, wherein: and one end of the bottom frame (117) close to the shearing device (103) is provided with a guide plate (121).

4. A high precision flying shear as claimed in claim 3, wherein: and rollers (105) are vertically and uniformly distributed on the upper part of the inner groove of the bottom frame (117) and the inner side of the guide plate (121).

5. A high precision flying shear as claimed in claim 4, wherein: the roller (105) is a rubber wheel.

6. A high precision flying shear as claimed in claim 1, wherein: and a fan (114) is arranged on the shearing device (103).

7. A high precision flying shear as claimed in claim 6, wherein: the blast pipe of the fan (114) is fixedly arranged on an upper cutter holder (118) of the shearing device (103); an air nozzle (119) connected with the air supply pipe is aligned with an upper cutter (120) arranged on the upper cutter holder (118).

8. A high precision flying shear as claimed in claim 1, wherein: the material of the pressing block (122) is rubber.

9. A high precision flying shear as claimed in claim 1 or 8, wherein: the bottom end of the pressing block (122) is provided with anti-skid grains.