CN115070111A

CN115070111A - Automatic accurate cutting equipment for rolling steel

Info

Publication number: CN115070111A
Application number: CN202210763483.5A
Authority: CN
Inventors: 夏启航
Original assignee: Guangdong Port Zhong Lv Jian Technology Co ltd
Current assignee: Guangdong Port Zhong Lv Jian Technology Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-09-20

Abstract

The invention relates to the technical field of steel production, in particular to automatic precise cutting equipment for rolling steel, which comprises a rack, a cutting device, a laser ranging unit and a measuring plate, wherein the rack is provided with a plurality of cutting devices; the rack is provided with a plurality of conveying rollers for conveying steel, and the press rollers are used for positioning the steel moving on the conveying rollers; cutting device fixed mounting is at the output of frame, laser rangefinder unit fixed mounting is on the fixing base, the work end and the cutting piece of laser rangefinder unit are in the coplanar, measure the vertical setting of board at the output of frame, be provided with the kicking block on the measurement board, when measuring the side locating plate laminating portal frame of the both sides of board, the surface and the cutting piece of kicking block are in the coplanar, this technical scheme carries steel through the conveying roller in the frame and promotes to measure the board and remove, the distance that the laser rangefinder unit detected the removal of measurement board obtains the length of the distance cutting position of steel, realize automatic accurate cutting to control cutting device to steel.

Description

Automatic accurate cutting equipment for rolling steel

Technical Field

The invention relates to the technical field of steel production, in particular to automatic precise cutting equipment for rolling steel.

Background

The steel is a material with certain shape, size and performance, which is made of steel ingots, steel billets or steel materials through pressure processing, and most of the steel processing is through pressure processing, so that the processed steel generates plastic deformation. According to different processing temperatures of steel, the method can be divided into cold processing and hot processing, the steel is an important material essential for national construction and quartification realization, the application is wide, the variety is various, and the steel is generally divided into four categories, namely section bars, plates, pipes and metal products according to different section shapes.

Steel need use cutting device to cut steel when carrying out rolling production, chinese patent application number "CN 202122789137.8" discloses a cutting device that steel rolling production and processing used, the lower and relatively poor problem of stability of precision when having cut off to steel, the following scheme is proposed now, it includes the workstation, the top of workstation is provided with the conveying subassembly, the top of workstation is fixed with the mounting bracket, telescopic cylinder is installed on the top of mounting bracket, be fixed with the guide bar that two symmetries set up between the top inner wall of mounting bracket and the top of workstation, be provided with the lifter plate between two guide bars.

The equipment drives the switch blade to cut off steel through the air cylinder, the switch blade can drive the positioning mechanism to centralize and clamp the steel while descending and cutting off the steel, and then the stability of the steel during cutting off is ensured, so that the accuracy is improved, when the equipment is used for cutting, the switch blade cannot continuously descend to cut off the steel after the positioning mechanism contacts two sides of the steel, if the switch blade is ensured to completely cut off the steel, the positioning mechanism can clamp the steel only after the cutting off is completed, and the positioning effect cannot be provided during the cutting operation; and the cutting position of this equipment to steel needs manual regulation, the length of unable accurate control cutting.

Disclosure of Invention

In view of the above, it is necessary to provide an automatic precision cutting apparatus for rolling steel products, which addresses the problems of the prior art.

In order to solve the problems of the prior art, the invention adopts the technical scheme that:

an automatic precise cutting device for rolling steel comprises a rack, a cutting device, a laser ranging unit and a measuring plate; a plurality of conveying rollers are arranged on the rack to convey the steel, a compression roller is arranged on the upper side of each conveying roller, and the compression roller is used for positioning the steel moving on the conveying rollers; the cutting device is fixedly arranged at the output end of the rack and comprises a portal frame, the cutting blade is slidably arranged on the portal frame, a first mounting seat of the cutting blade is fixedly connected with a working end of the first linear driving device, the working end of the first linear driving device is arranged to move in the vertical direction, and the first linear driving device drives the cutting blade to move to cut steel; the laser ranging unit is fixedly arranged on the fixed seat, the fixed seat is fixedly arranged on a portal frame of the cutting device, the working end of the laser ranging unit and the cutting piece are positioned on the same plane, and the laser ranging unit is in signal connection with the conveying roller and the first linear driving device; the vertical setting of measuring plate is at the output of frame, be provided with the kicking block on the measuring plate, the both sides of measuring plate are provided with the side locating plate, during the laminating portal frame of side locating plate, the surface and the cutting piece of kicking block are in the coplanar, the contact surface of kicking block and steel is aimed at to the work end of laser rangefinder unit and detects, the measuring plate bottom is provided with two at least guide bars, the length direction level extension of guide bar along the frame, the guide bar cartridge is in the guide pin bushing that the frame bottom set up.

Preferably, the rotation axis of conveying roller is perpendicular to the length direction level setting with the frame, and the conveying roller is along the length direction equidistant distribution of frame, and the one end of conveying roller is connected through a servo motor, and the one end and the transmission of one of them conveying roller are connected.

Preferably, the number of the compression rollers is a plurality, the compression rollers are arranged in parallel with the conveying rollers, the compression rollers are distributed at equal intervals along the length direction of the rack, and the compression rollers are inserted on the mounting bracket; the mounting bracket is arranged above the rack, the bottom of the mounting bracket is provided with a plurality of first guide rods, and the first guide rods vertically extend downwards and are inserted into first guide holes of the rack; the bottom of the first guide rod is provided with a limiting block, a first spring is sleeved on the first guide rod and elastically connected with the upper side of the limiting block and the bottom side of the rack, and the first spring applies thrust for downward movement of the compression roller.

Preferably, the cutting blade is coaxially installed at the working end of the second servo motor, the second servo motor is fixedly installed on the first installation seat, and the second servo motor is in signal connection with the laser ranging unit.

Preferably, two sliding rails are arranged on one side of the portal frame away from the rack, and sliding blocks are slidably mounted on the sliding rails; the first mounting seat of the cutting blade is fixedly mounted on one side, far away from the rack, of the sliding block.

Preferably, the sliding blocks on two sides of the portal frame are connected through a connecting seat, the connecting seat is connected with the working end of the first linear driving device, a second guide rod extending vertically and upwards is arranged on the upper side of the connecting seat, and the second guide rod is inserted into a second guide hole in the top of the portal frame.

Preferably, a positioning block is fixedly mounted on the portal frame, the portal frame faces one side of the measuring plate, and the side positioning plate of the portal frame contacting the measuring plate positions the measuring plate.

Preferably, the bottom of the measuring plate is provided with a horizontally extending bottom plate, and the bottom plate is positioned below the guide rod and horizontally extends along the length direction of the rack; the bottom plate bottom is provided with the rack, and the rack extends along the length direction of bottom plate, and the rack sets up towards the downside.

Preferably, the tooth grooves of the rotating wheel are meshed and connected with the rack; the rotating wheel is inserted into the second mounting seat, the rotating shaft of the rotating wheel is parallel to the rotating shaft of the conveying roller, and the second mounting seat is fixedly mounted below the rack; the rotating wheel is in transmission connection with a working end of a third servo motor, and the third servo motor is fixedly installed on the second installation seat.

Preferably, the side positioning plate is inserted with a buffer plate, and the buffer plate is inserted in a corresponding third guide hole on the side positioning plate through two third guide rods horizontally extending along the length direction of the rack; a second spring is sleeved on the third guide rod and elastically connected with the measuring plate and the buffer plate; the snubber block is installed to one side of side locating plate orientation, is provided with on the snubber block and dodges the hole, and the second spring setting dodges downtheholely.

Compared with the prior art, the beneficial effect of this application is:

1. according to the invention, the steel is conveyed by the conveying roller on the rack, one end of the steel is contacted with the top block of the measuring plate, then the steel pushes the measuring plate to move continuously, and the laser ranging unit detects the moving distance of the measuring plate so as to obtain the length of the steel from the cutting position, so that the steel is cut by the automatic and accurate control cutting device.

2. According to the invention, the press roller keeps attached to the upper surface of the steel under the action of gravity and the elastic force of the first spring, so that the stability of the steel during movement is ensured, and the steel is stabilized during cutting.

3. When the side positioning plate is in contact with the positioning block arranged on the portal frame, the surface of the ejector block and the cutting surface of the portal frame are positioned on the same horizontal plane, and workers can ensure the alignment accuracy of the ejector block and the cutting blade by adjusting the thicknesses of the positioning block and the ejector block.

4. According to the invention, the third servo motor is started to drive the rotating wheel to rotate, the tooth grooves of the rotating wheel are meshed and connected with the rack at the bottom of the bottom plate so as to drive the measuring plate to horizontally move for resetting, so that the side positioning plate is attached to the positioning block again, the steel is attached to the surface of the top block again, the automatic resetting of the measuring plate is realized, and the continuous and accurate cutting processing of the steel is ensured.

5. According to the invention, the side positioning plate is provided with the buffer plate which is in contact with the positioning block, the buffer plate compresses the second spring for buffering, when one side of the buffer plate is attached to the positioning block and the other side of the buffer plate is attached to the shock absorption block, the ejector block reaches the designated position and is positioned on the same horizontal plane with the cutting blade, and the avoidance hole in the shock absorption block protects the second spring, so that the second spring is prevented from being subjected to overlarge pressure.

Drawings

Fig. 1 is a perspective view of the present application in a first operating condition;

fig. 2 is a perspective view and a partially enlarged view thereof in a second operating state of the present application;

FIG. 3 is a perspective view of the present application;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a side view of the present application;

FIG. 6 is a perspective view of the cutting device and laser measuring unit of the present application;

FIG. 7 is a first perspective view of the measurement plate of the present application;

FIG. 8 is a second perspective view of the measurement plate of the present application;

FIG. 9 is an exploded perspective view of FIG. 7;

FIG. 10 is a partial enlarged view of FIG. 9 at B;

the reference numbers in the figures are:

1-a frame; 1 a-a delivery roll; 1a 1-first servomotor; 1a2 — first drive belt; 1 b-a press roll; 1b 1-mounting bracket; 1b2 — first guide bar; 1b 3-stop block; 1b4 — first spring; 1 c-guide sleeve; 1 d-a first pilot hole;

2-a cutting device; 2 a-a portal frame; 2a1 — second guide hole; 2a 2-locating piece; 2 b-cutting slice; 2b1 — first mount; 2b 2-second servomotor; 2 c-a first linear drive; 2 d-a slide rail; 2 e-a slider; 2e 1-connecting seat; 2e2 — second guide bar;

3-a laser ranging unit; 3 a-a fixed seat;

4-measuring the plate; 4 a-a top block; 4 b-side positioning plate; 4b 1-buffer plate; 4b 2-third guide bar; 4b3 — third guide hole; 4b4 — second spring; 4b5 — shock-absorbing mass; 4b 6-avoidance holes; 4 c-a guide bar; 4 d-a bottom plate; 4d 1-rack; 4 e-a rotating wheel; 4e 1-gullet; 4e2 — second mount; 4e 3-third servomotor.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in fig. 1 to 10, the present application provides:

an automatic precise cutting device for rolling steel comprises a rack 1, a cutting device 2, a laser ranging unit 3 and a measuring plate 4; a plurality of conveying rollers 1a are arranged on the rack 1 to convey steel, a press roller 1b is arranged on the upper side of each conveying roller 1a, and the press roller 1b positions the steel moving on the conveying rollers 1 a; the cutting device 2 is fixedly installed at the output end of the rack 1, the cutting device 2 comprises a portal frame 2a, the cutting blade 2b is slidably installed on the portal frame 2a, a first installation seat 2b1 of the cutting blade 2b is fixedly connected with the working end of a first linear driving device 2c, the working end of the first linear driving device 2c is arranged to move in the vertical direction, and the first linear driving device 2c drives the cutting blade 2b to move to cut steel; the laser ranging unit 3 is fixedly arranged on a fixed seat 3a, the fixed seat 3a is fixedly arranged on a portal frame 2a of the cutting device 2, the working end of the laser ranging unit 3 and the cutting piece 2b are positioned on the same plane, and the laser ranging unit 3 is in signal connection with the conveying roller 1a and the first linear driving device 2 c; the vertical setting of measuring plate 4 is at the output of frame 1, be provided with kicking block 4a on measuring plate 4, the both sides of measuring plate 4 are provided with side locating plate 4b, when side locating plate 4b laminating portal frame 2a, the surface of kicking block 4a is in the coplanar with cutting piece 2b, the contact surface of kicking block 4a and steel is aimed at to laser rangefinder unit 3's work end and detects, measuring plate 4 bottom is provided with two at least guide bars 4c, guide bar 4c extends along the length direction level of frame 1, guide bar 4c cartridge is in the guide pin bushing 1c that frame 1 bottom set up.

Based on the embodiment, the technical problem that this application wants to solve is how to carry out the accurate cutting of automatic measurement to the steel of different cutting length demands. Therefore, in the application, steel is conveyed by the conveying roller 1a on the rack 1, a worker places the steel on the conveying roller 1a and presses the upper side of the steel by the back press roller 1b, directional conveying of the steel is realized, the steel moves towards the cutting device 2, when the steel reaches the lower part of the cutting piece 2b, one end of the steel contacts the top block 4a of the measuring plate 4, then the steel pushes the measuring plate 4 to move continuously, and when the measuring plate 4 moves, the laser ranging unit 3 detects the position of the top block 4a, the laser ranging unit 3 can be a laser range finder, the distance moved by the laser ranging unit 3 is the length from the top end of the steel to the cutting piece 2b, when the laser ranging unit 3 detects that the moving distance of the top block 4a reaches the cutting length of the steel set in advance, the laser ranging unit 3 sends a signal to the control module, control module closes conveying roller 1a and stops the transport to steel to start first linear drive device 2c and drive cutting piece 2b and move down and cut steel, thereby obtain the steel of required cutting length, first linear drive device 2c can be electric putter or cylinder etc. the staff will cut the steel take off collect can, thereby detect the distance that measuring plate 4 removed through laser ranging unit 3 in this embodiment and obtain the length of the distance cutting position of steel, realize automatic accurate cutting to control cutting device 2 to steel.

Further, as shown in fig. 2 to 4:

the rotating shaft of the conveying roller 1a is vertically and horizontally arranged in the length direction of the rack 1, the conveying rollers 1a are distributed at equal intervals in the length direction of the rack 1, one end of the conveying roller 1a is connected with a first servo motor 1a1, and one end of one conveying roller 1a is in transmission connection with a first transmission belt 1a 2.

Based on the above-described embodiments, the technical problem to be solved by the present application is how to convey the steel material by the conveying roller 1 a. Therefore, in the present application, one of the conveying rollers 1a is driven to rotate by the first servo motor 1a1, and when the conveying roller 1a rotates, all the conveying rollers 1a are driven to rotate synchronously by the first driving belt 1a2, so that the frame 1 is conveyed.

Further, as shown in fig. 3 and 4:

the press rollers 1b are arranged in parallel with the conveying roller 1a, the press rollers 1b are distributed at equal intervals along the length direction of the rack 1, and the press rollers 1b are inserted on the mounting bracket 1b 1; the mounting bracket 1b1 is arranged above the rack 1, the bottom of the mounting bracket 1b1 is provided with a plurality of first guide rods 1b2, and the first guide rods 1b2 vertically extend downwards and are inserted into first guide holes 1d of the rack 1; the bottom of the first guide rod 1b2 is provided with a limit block 1b3, a first spring 1b4 is sleeved on the first guide rod 1b2, the first spring 1b4 elastically connects the upper side of the limit block 1b3 and the bottom side of the frame 1, and the first spring 1b4 applies the pushing force of the downward movement of the press roller 1 b.

Based on the above embodiments, the technical problem to be solved by the present application is how to ensure the stable movement of the steel material by the press roll 1 b. For this reason, this application is installed the compression roller 1b through installing support 1b1, and the first guide bar 1b2 cartridge of installing support 1b1 guarantees on frame 1 that compression roller 1b moves the stability in the vertical direction, and compression roller 1b keeps the laminating with the steel upper surface under the action of gravity and the elasticity of first spring 1b4 to guarantee the stability when the removal of steel, stabilize the steel when the steel cuts.

Further, as shown in fig. 5:

the cutting blade 2b is coaxially arranged at the working end of a second servo motor 2b2, a second servo motor 2b2 is fixedly arranged on a first mounting seat 2b1, and a second servo motor 2b2 is connected with the laser ranging unit 3 through signals.

Based on the above-mentioned embodiment, cutting piece 2b of this application is circular cutting blade, and second servo motor 2b2 drive cutting piece 2b is rotatory to the steel cut.

Further, as shown in fig. 3 to 6:

two slide rails 2d are arranged on one side of the portal frame 2a far away from the rack 1, and a slide block 2e is arranged on each slide rail 2d in a sliding manner; the first mounting seat 2b1 of the cutting blade 2b is fixedly arranged on one side of the sliding block 2e far away from the machine frame 1.

The sliding blocks 2e on two sides of the gantry 2a are connected through a connecting seat 2e1, the connecting seat 2e1 is connected with the working end of the first linear driving device 2c, a second guide rod 2e2 extending vertically and upwards is arranged on the upper side of the connecting seat 2e1, and the second guide rod 2e2 is inserted into a second guide hole 2a1 in the top of the gantry 2 a.

Based on the above embodiments, the technical problem to be solved by the present application is how to ensure the stability of the cutting blade 2b when cutting the steel material by the first linear driving device 2 c. Therefore, slide rail 2d cooperation slider 2e through portal frame 2a both sides installation in this application connects first mount pad 2b1 of cutting piece 2b, when first mount pad 2b1 removed, slide rail 2d guarantees the stability that cutting piece 2b reciprocated to slider 2 e's spacing, thereby guarantee the smoothness of cutting surface when cutting piece 2b cuts steel, two slider 2e connect through connecting seat 2e1, the synchronous motion of portal frame 2a both sides slider 2e is realized to the work end that connecting seat 2e1 connected first linear drive device 2c, second guide bar 2e2 cartridge on connecting seat 2e1 protects first linear drive device 2 c's work end in the second guiding hole 2a1 at portal frame 2a top, prevent that first linear drive device 2 c's work end from receiving the power of other directions and taking place the bending.

Further, as shown in fig. 3, 5 and 6:

a positioning block 2a2 is fixedly mounted on the gantry 2a, the gantry 2a faces the side of the measuring plate 4, and the gantry 2a contacts the side positioning plate 4b of the measuring plate 4 to position the measuring plate 4.

Based on the above embodiment, the technical problem that the present application intends to solve is how to ensure that the surface of the top block 4a and the cutting blade 2b are on the same plane when the side positioning plate 4b of the measuring plate 4 is attached to the gantry 2 a. Therefore, slide rail 2d in this application installs in the one side of keeping away from frame 1, guarantee that cutting piece 2b installed on slider 2e is located one side of portal frame 2a completely, during the locating piece 2a2 contact that sets up on side locating plate 4b and the portal frame 2a, kicking block 4 a's surface is in same horizontal plane with the cutting plane of portal frame 2a, steel drives kicking block 4a and removes under the promotion of conveying roller 1a this moment, laser ranging unit 3 detects the displacement of measuring plate 4 and can obtain accurate steel cutting length, the staff can be through adjusting the precision of guaranteeing kicking block 4a and cutting piece 2b to align to the thickness to locating piece 2a2 and kicking block 4 a.

Further, as shown in fig. 7 to 10:

a horizontally extending bottom plate 4d is arranged at the bottom of the measuring plate 4, and the bottom plate 4d is positioned below the guide rod 4c and horizontally extends along the length direction of the rack 1; the bottom of the bottom plate 4d is provided with a rack 4d1, the rack 4d1 extends along the length direction of the bottom plate 4d, and the rack 4d1 is arranged towards the lower side.

The tooth groove 4e1 of the rotating wheel 4e is meshed with the rack 4d 1; the runner 4e is inserted on the second mounting seat 4e2, the rotating shaft of the runner 4e is parallel to the rotating shaft of the conveying roller 1a, and the second mounting seat 4e2 is fixedly mounted below the frame 1; the rotating wheel 4e is in transmission connection with the working end of a third servo motor 4e3, and the third servo motor 4e3 is fixedly arranged on the second mounting seat 4e 2.

Based on the above-mentioned embodiment, the technical problem that this application wants to solve is how to measure the cutting length of follow-up steel when measuring board 4 automatic re-setting after the staff takes off the steel after the cutting. Therefore, when the measuring plate 4 of the application is pushed by steel to move, the bottom plate 4d at the bottom of the measuring plate 4 moves horizontally, the rack 4d1 on the bottom plate 4d drives the rotating wheel 4e to rotate, the measuring plate 4 reaches a proper position, the cutting device 2 cuts the steel, after a worker manually or by using a mechanical arm to grab the cut steel for blanking, third servo motor 4e3 starts to drive runner 4e rotatory, runner 4e drives and measures 4 horizontal migration of board and reset, make side locating plate 4b laminate locating piece 2a2 once more, guarantee that steel laminates the top piece 4a surface once more, the stability when measuring board 4 removes has been guaranteed to guide bar 4c cartridge on measuring board 4 in the guide pin bushing 1c of frame 1 bottom, the automatic re-setting of measuring board 4 has been realized to the existence of runner 4e in this embodiment, the continuous accurate cutting process of steel has been guaranteed.

Further, as shown in fig. 7 to 10:

the side positioning plate 4b is inserted with a buffer plate 4b1, and the buffer plate 4b1 is inserted in a corresponding third guide hole 4b3 on the side positioning plate 4b through two third guide rods 4b2 horizontally extending along the length direction of the frame 1; the third guide rod 4b2 is sleeved with a second spring 4b4, and the second spring 4b4 is elastically connected with the measuring plate 4 and the buffer plate 4b 1; the lateral positioning plate 4b is provided with a damping block 4b5 towards one side of the 4c1, the damping block 4b5 is provided with an avoiding hole 4b6, and the second spring 4b4 is arranged in the avoiding hole 4b 6.

Based on the above embodiments, the technical problem that the present application intends to solve is how to prevent the side positioning plate 4b from colliding with the positioning block 2a2 when the measuring plate 4 is reset, resulting in structural damage. Therefore, the buffer plate 4b1 is arranged on the side positioning plate 4b to be in contact with the positioning block 2a2, the third guide rod 4b2 of the buffer plate 4b1 is inserted into the third guide hole 4b3 of the side positioning plate 4b to ensure the stability of the moving path of the buffer plate 4b1, when the buffer plate 4b1 is in contact with the positioning block 2a2, the buffer plate 4b1 compresses the second spring 4b4 to buffer, when one side of the buffer plate 4b1 is attached to the positioning block 2a2 and the other side of the buffer plate 4b 3626 is attached to the damping block 4b5, the top block 4a reaches a designated position and is located on the same horizontal plane with the cutting blade 2b, the avoiding hole 4b6 in the damping block 4b5 protects the second spring 4b4, and prevents the second spring 4b4 from being pressed too much.

The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An automatic precise cutting device for rolling steel is characterized by comprising a rack (1), a cutting device (2), a laser ranging unit (3) and a measuring plate (4);

the machine frame (1) is provided with a plurality of conveying rollers (1a) for conveying steel, the upper side of each conveying roller (1a) is provided with a press roller (1b), and the press rollers (1b) are used for positioning the steel moving on the conveying rollers (1 a);

the cutting device (2) is fixedly installed at the output end of the rack (1), the cutting device (2) comprises a portal frame (2a), a cutting blade (2b) is slidably installed on the portal frame (2a), a first installation seat (2b1) of the cutting blade (2b) is fixedly connected with the working end of a first linear driving device (2c), the working end of the first linear driving device (2c) is arranged to move in the vertical direction, and the first linear driving device (2c) drives the cutting blade (2b) to move to cut steel;

the laser ranging unit (3) is fixedly arranged on a fixed seat (3a), the fixed seat (3a) is fixedly arranged on a portal frame (2a) of the cutting device (2), the working end of the laser ranging unit (3) and the cutting piece (2b) are positioned on the same plane, and the laser ranging unit (3) is in signal connection with a conveying roller (1a) and a first linear driving device (2 c);

the vertical setting of measuring plate (4) is at the output of frame (1), be provided with kicking block (4a) on measuring plate (4), the both sides of measuring plate (4) are provided with side locating plate (4b), side locating plate (4b) during laminating portal frame (2a), the surface and the cutting piece (2b) of kicking block (4a) are in the coplanar, the contact surface of kicking block (4a) and steel is aimed at to the work end of laser rangefinder unit (3) detects, measuring plate (4) are provided with two at least guide bars (4c), length direction horizontal extension along frame (1) is followed in guide pin bushing (1c) of frame (1) bottom to guide bar (4c) cartridge.

2. The automatic precise cutting equipment for rolling the steel products according to the claim 1 is characterized in that the rotating shafts of the conveying rolls (1a) are vertically arranged with the length direction of the rack (1) horizontally, the conveying rolls (1a) are distributed along the length direction of the rack (1) at equal intervals, one end of each conveying roll (1a) is connected with a first servo motor (1a1), and one end of one conveying roll (1a) is in transmission connection with a first transmission belt (1a 2).

3. The automatic precise cutting equipment for rolling the steel products as claimed in claim 1, wherein the press roll (1b) is provided with a plurality of press rolls (1b), the press rolls (1b) are arranged in parallel with the conveying roll (1a), the press rolls (1b) are distributed at equal intervals along the length direction of the rack (1), and the press rolls (1b) are inserted on the mounting bracket (1b 1);

the mounting bracket (1b1) is arranged above the rack (1), the bottom of the mounting bracket (1b1) is provided with a plurality of first guide rods (1b2), and the first guide rods (1b2) vertically extend downwards and are inserted into first guide holes (1d) of the rack (1);

the bottom of the first guide rod (1b2) is provided with a limiting block (1b3), a first spring (1b4) is sleeved on the first guide rod (1b2), the first spring (1b4) is elastically connected with the upper side of the limiting block (1b3) and the bottom side of the rack (1), and the first spring (1b4) applies the pushing force of the downward movement of the press roller (1 b).

4. The automatic precise cutting equipment for rolling the steel materials is characterized in that the cutting blade (2b) is coaxially arranged at the working end of a second servo motor (2b2), the second servo motor (2b2) is fixedly arranged on a first mounting seat (2b1), and the second servo motor (2b2) is in signal connection with a laser ranging unit (3).

5. The automatic precise cutting equipment for rolling steel products according to claim 1, wherein two slide rails (2d) are arranged on one side of the portal frame (2a) far away from the rack (1), and a slide block (2e) is slidably mounted on each slide rail (2 d);

the first mounting seat (2b1) of the cutting blade (2b) is fixedly mounted on one side, far away from the rack (1), of the sliding block (2 e).

6. The automatic precise cutting equipment for rolling the steel products as claimed in claim 5, wherein the sliding blocks (2e) at two sides of the portal frame (2a) are connected through a connecting seat (2e1), the connecting seat (2e1) is connected with the working end of the first linear driving device (2c), a second guide rod (2e2) extending vertically and upwards is arranged at the upper side of the connecting seat (2e1), and the second guide rod (2e2) is inserted into a second guide hole (2a1) at the top of the portal frame (2 a).

7. The automatic precise cutting equipment for rolling the steel products as claimed in claim 1, wherein a positioning block (2a2) is fixedly arranged on a portal frame (2a), the portal frame (2a) faces one side of the measuring plate (4), and the portal frame (2a) contacts a side positioning plate (4b) of the measuring plate (4) to position the measuring plate (4).

8. The automatic precise cutting equipment for rolling steel products according to claim 7, characterized in that a horizontally extending bottom plate (4d) is arranged at the bottom of the measuring plate (4), and the bottom plate (4d) is positioned below the guide rod (4c) and horizontally extends along the length direction of the stand (1);

the bottom of the bottom plate (4d) is provided with a rack (4d1), the rack (4d1) extends along the length direction of the bottom plate (4d), and the rack (4d1) faces to the lower side.

9. The automatic precise cutting equipment for rolling steel products according to the claim 8 is characterized in that the tooth grooves (4e1) of the rotating wheel (4e) are meshed with the rack (4d 1);

the rotating wheel (4e) is inserted on a second mounting seat (4e2), the rotating shaft of the rotating wheel (4e) is parallel to the rotating shaft of the conveying roller (1a), and the second mounting seat (4e2) is fixedly mounted below the rack (1);

the rotating wheel (4e) is in transmission connection with the working end of a third servo motor (4e3), and the third servo motor (4e3) is fixedly installed on the second installation seat (4e 2).

10. The automatic precise cutting equipment for rolling the steel products as claimed in claim 9, wherein the side positioning plate (4b) is inserted with a buffer plate (4b1), the buffer plate (4b1) is inserted in a corresponding third guide hole (4b3) of the side positioning plate (4b) through two third guide rods (4b2) horizontally extending along the length direction of the stand (1);

a second spring (4b4) is sleeved on the third guide rod (4b2), and the second spring (4b4) is elastically connected with the measuring plate (4) and the buffer plate (4b 1);

the side locating plate (4b) is installed snubber block (4b5) towards one side of 4c1, is provided with on snubber block (4b5) and dodges hole (4b6), and second spring (4b4) set up and dodge in hole (4b 6).