CN111545928A

CN111545928A - Steel strand wires scale cutting equipment

Info

Publication number: CN111545928A
Application number: CN202010418505.5A
Authority: CN
Inventors: 祁迎龙
Original assignee: 祁迎龙
Current assignee: Hebei Yutian Communication Equipment Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-08-18
Anticipated expiration: 2040-05-18
Also published as: CN111545928B

Abstract

The invention relates to the technical field of mechanical equipment, in particular to steel strand sizing and cutting equipment, which can effectively improve the length sizing precision of a steel strand by carrying out automatic sizing and cutting treatment on the steel strand, is convenient for keeping the length of each roll of the steel strand consistent, simplifies the steel strand sizing mode, saves manpower and time, and improves the practicability and reliability; including base, first bow-shaped board, first motor, first pivot, internal thread storehouse and external screw thread post, the left side and the right side of base all are provided with the lifting device, all are provided with closing device on two sets of lifting devices, are provided with measuring device on the lifting device of right side, and the bottom front side and the rear side of first bow-shaped board are all installed on the base.

Description

Steel strand wires scale cutting equipment

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to steel strand fixed-length cutting equipment.

Background

As is well known, a steel strand is a metal product formed by twisting a plurality of steel wires, and is mainly used in the fields of power transmission, signal transmission and the like, when the steel strand is twisted and wound, in order to ensure that the lengths of the steel strands in each coil are consistent, the length and the size of the steel strands need to be subjected to sizing treatment, the existing sizing mode mainly comprises the steps of weighing the coiled steel strands, the length of the steel strand is estimated through the weight, and when the method is adopted, the length of the wound steel strand is larger due to the small difference of the diameters of the steel strands, the length and the size after estimation are different, so that the customization precision of the length of the steel strand is poor, and the steel strand needs to be disassembled on a winding device when being weighed, then weigh and handle, when weight does not satisfy the regulation requirement, need the manual work to carry out the rolling until weight is unanimous, its scale mode is comparatively loaded down with trivial details, and the cost time is more with the manpower.

Disclosure of Invention

In order to solve the technical problems, the invention provides the steel strand sizing and cutting equipment which can effectively improve the length sizing precision of the steel strands, conveniently keep the length of each coil of the steel strands consistent, simplify the steel strand sizing mode, save labor and time and improve the practicability and reliability by carrying out automatic sizing and cutting treatment on the steel strands.

The invention relates to steel strand fixed-length cutting equipment, which comprises a base, a first cambered plate, a first motor, a first rotating shaft, an internal thread bin and an external thread column, wherein lifting devices are arranged on the left side and the right side of the base, pressing devices are arranged on two groups of lifting devices, a measuring device is arranged on the right lifting device, the front side and the rear side of the bottom of the first cambered plate are arranged on the base, the first motor is arranged on the first cambered plate, the first rotating shaft is positioned on the upper side in the first cambered plate, the top of the first rotating shaft penetrates through the first cambered plate and is arranged on the lower side output end of the first motor, the first rotating shaft is rotatably connected with the first cambered plate, the internal thread bin is positioned below the first rotating shaft, the bottom of the first rotating shaft penetrates through the top of the internal thread bin and extends into the internal thread bin, the first rotating shaft and the internal thread bin can rotate relatively, threads are arranged on the inner wall of the internal thread bin, the outer wall of the outer threaded column is meshed with threads of the inner wall of the inner threaded bin, a movable plate is arranged at the bottom of the inner threaded bin, a plurality of groups of telescopic rods are uniformly arranged on the outer side of the top of the movable plate, the tops of the telescopic rods are all arranged at the top of the inner wall of a first arched plate, a laser cutter is arranged at the bottom of the movable plate, clamping devices are arranged on the left side and the right side of the first arched plate, the right side of a steel strand is conveyed through external twisting equipment, and the left side of the steel strand penetrates through two groups of lifting devices and two groups of clamping devices and is wound on external winding equipment; the steel strand is continuously conveyed on the two groups of lifting devices, the two groups of pressing devices are used for pressing the steel strand, the measuring device is used for measuring the conveying length of the steel strand, when the measuring device measures that the conveying length of the steel strand reaches a specified value, the measuring device controls the external stranding equipment and the external rolling equipment to stop running, the steel strand stops conveying, the two groups of clamping devices are opened, the two groups of clamping devices are used for clamping the steel strand, the first motor is opened and drives the external thread column to rotate through the first rotating shaft, the outer wall of the external thread column is meshed with the inner wall of the internal thread bin, the external thread column pushes the internal thread bin to move downwards, the internal thread bin drives the laser cutter to move downwards through the movable plate, the bottom of the laser cutter is close to the steel strand, meanwhile, the movable plate in a moving state drives the bottoms of the multiple groups of telescopic rods, open laser cutter, laser cutter's bottom shines out the laser sword and carries out vertical cutting-off processing to the steel strand wires, after the steel strand wires cut off the completion, close laser cutter, the first motor of reverse operation, first motor drives laser cutter rebound and resumes to initial position, open two sets of clamping device, carry out the rolling winding through the surplus steel strand wires after external coiling mechanism will cut off, thereby accomplish the automatic scale of steel strand wires and cut off the processing, through carrying out the automatic scale to the steel strand wires and cut off the processing, can effectively improve the length scale precision of steel strand wires, conveniently make the length of every roll of steel strand wires keep unanimous, simplify the steel strand wires scale mode simultaneously, use manpower sparingly and time, improve practicality and reliability.

The invention discloses steel strand fixed-length cutting equipment, which comprises a lifting device, a measuring device, a first rotating shaft, a second rotating shaft, a first conveying wheel, a first anti-slip layer, a second rotating shaft and a second conveying wheel, wherein the second arched frame is arranged on the right side of a base; the steel strand wires overlap joint is at the upside of first skid resistant course, and when the steel strand wires conveying, the outer wall and the first skid resistant course outer wall production frictional force of steel strand wires, steel strand wires drive first skid resistant course, first delivery wheel and second pivot rotate, and the second pivot drives measuring device operation, through setting up lifting device, can conveniently lift the steel strand wires, takes place the phenomenon of collapsing when preventing its conveying, conveniently makes the steel strand wires keep steady conveying, improves practicality and reliability.

The invention relates to steel strand fixed-length cutting equipment, which comprises a pressing device, a first conveying wheel, a first rotating shaft, a first arched frame, two groups of cylinders and two groups of push rods, wherein the first conveying wheel is arranged above the first conveying wheel; open two sets of cylinders, two sets of cylinders promote third bow-shaped rack downstream through two sets of push rods respectively, the third bow-shaped rack drives the third pivot, second skid resistant course and second delivery wheel downstream, the bottom on second skid resistant course contacts with steel strand wires's top and extrudees steel strand wires, during the steel strand wires conveying, steel strand wires drive second skid resistant course, second delivery wheel and third pivot rotate on the third bow-shaped rack, through setting up closing device, can conveniently compress tightly the conveying processing to the steel strand wires of conveying state, take place to break away from with first delivery wheel and first skid resistant course when preventing its conveying, conveniently guarantee that steel strand wires can steadily convey, improve practicality and reliability.

The invention relates to a steel strand fixed-length cutting device, which comprises a rotating disc, a fixed rod, metal rollers, a fixed disc, a positioning wire reel, two groups of fixed frames and a central control box, wherein the rotating disc is arranged at the front end of a second rotating shaft; well accuse case detectable metal gyro wheel contact position on the wire reel of location, when the second pivot rotates, the second pivot passes through rolling disc and dead lever and drives the metal gyro wheel and roll on the wire reel of location, and well accuse case detectable metal gyro wheel turned angle and rotation number of turns on the wire reel of location to calculate steel strand wires conveying length according to the diameter of first delivery wheel and first skid resistant course, effectively improve steel strand wires scale precision, improve practicality and reliability.

The invention relates to a steel strand fixed-length cutting device, which comprises two groups of clamping plates, two groups of guide rails, two groups of sliding blocks, two groups of second motors and two groups of screw sleeves, wherein the two groups of clamping plates are respectively positioned at the upper side and the lower side inside a first cambered plate, the front sides and the rear sides of the two groups of clamping plates are respectively provided with a fixed plate, the outer ends of the two groups of lower fixed plates are respectively fixed on the inner wall of the first cambered plate, the two groups of guide rails are respectively vertically arranged at the front side and the rear side of the inner wall of the first cambered plate, the two groups of sliding blocks are respectively slidably arranged on the two groups of guide rails, the outer ends of the two groups of upper fixed plates are respectively arranged at the inner ends of the two groups of sliding blocks, the two groups of second motors are respectively arranged on the two groups of lower fixed plates, the two groups of screw sleeves are respectively arranged on the, the two groups of screw rods are respectively and rotatably connected with the two groups of fixing plates at the lower side, and are respectively and spirally connected with the two groups of screw sleeves; the steel strand penetrates between the two groups of clamping plates, the two groups of second motors are opened, the two groups of second motors respectively drive the two groups of screw rods to rotate, the two groups of screw rods are respectively connected with the two groups of screw sleeves in a screw mode, the two groups of screw sleeves respectively drive the two groups of screw sleeves to move downwards, the two groups of screw sleeves respectively drive the two groups of upper fixing plates and the upper clamping plate to move downwards, the bottom of the upper clamping plate is in contact with the top of the steel strand and clamps the steel strand, the position of the steel strand is fixed, the two groups of upper fixing plates in a moving state simultaneously respectively drive the two groups of sliding blocks to slide on the two groups of guide rails, after the steel strand is cut, the two groups of second motors are operated in a reverse mode, the upper clamping plate moves upwards and returns to an initial position, the steel strand can be conveniently clamped and fixed by the clamping device, the steel strand is prevented from deviating, the practicability and the reliability are improved.

According to the steel strand fixed-length cutting equipment, the clamping device further comprises two groups of limiting plates, and the two groups of limiting plates are fixed to the tops of the two groups of lead screws through two groups of bolts respectively; when two sets of fixed plates of upside during rebound, the top of the two sets of fixed plates of upside can contact with the bottom of two sets of limiting plates respectively, through setting up two sets of limiting plates, can conveniently carry on spacingly to the shift position of the two sets of fixed plates of upside and upside clamp plate, prevent that two sets of lead screws from taking place to break away from with two sets of swivel nut respectively, improve practicality and reliability.

The steel strand fixed-length cutting equipment further comprises an infrared range finder, wherein the infrared range finder is arranged on the left side of the moving plate, the position of the infrared range finder corresponds to the position of the steel strand, and the infrared range finder is in signal connection with the central control box; open infrared distance measuring instrument, on infrared distance measuring instrument detectable its and the distance between the steel strand wires top and will detect signal transmission to well accuse case, when the distance value that detects reaches the fixed value, well accuse case control first motor is closed, and the laser cutter stops the downstream to carry on spacingly to the downstream position of laser cutter, prevent that it from colliding with the steel strand wires, improve practicality and reliability.

The steel strand fixed-length cutting equipment further comprises a protective cover, wherein the protective cover is positioned on the outer side of the measuring device and is arranged on the front side of the second bow-shaped frame on the right side; through setting up the guard shield, can conveniently keep apart the protection to measuring device, conveniently protect measuring device, improve practicality and reliability.

Compared with the prior art, the invention has the beneficial effects that: the steel strand is continuously conveyed on the two groups of lifting devices, the two groups of pressing devices are used for pressing the steel strand, the measuring device is used for measuring the conveying length of the steel strand, when the measuring device measures that the conveying length of the steel strand reaches a specified value, the measuring device controls the external stranding equipment and the external rolling equipment to stop running, the steel strand stops conveying, the two groups of clamping devices are opened, the two groups of clamping devices are used for clamping the steel strand, the first motor is opened and drives the external thread column to rotate through the first rotating shaft, the outer wall of the external thread column is meshed with the inner wall of the internal thread bin, the external thread column pushes the internal thread bin to move downwards, the internal thread bin drives the laser cutter to move downwards through the movable plate, the bottom of the laser cutter is close to the steel strand, meanwhile, the movable plate in a moving state drives the bottoms of the multiple groups of telescopic rods, open laser cutter, laser cutter's bottom shines out the laser sword and carries out vertical cutting-off processing to the steel strand wires, after the steel strand wires cut off the completion, close laser cutter, the first motor of reverse operation, first motor drives laser cutter rebound and resumes to initial position, open two sets of clamping device, carry out the rolling winding through the surplus steel strand wires after external coiling mechanism will cut off, thereby accomplish the automatic scale of steel strand wires and cut off the processing, through carrying out the automatic scale to the steel strand wires and cut off the processing, can effectively improve the length scale precision of steel strand wires, conveniently make the length of every roll of steel strand wires keep unanimous, simplify the steel strand wires scale mode simultaneously, use manpower sparingly and time, improve practicality and reliability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the first motor of FIG. 1;

FIG. 3 is a left enlarged view of the cylinder of FIG. 1;

FIG. 4 is a left enlarged view of the clamping plate of FIG. 1;

FIG. 5 is a left enlarged view of the positioning reel of FIG. 3;

in the drawings, the reference numbers: 1. a base; 2. a first arcuate panel; 3. a first motor; 4. a first rotating shaft; 5. an internal thread bin; 6. an externally threaded post; 7. moving the plate; 8. a telescopic rod; 9. a laser cutter; 10. a second bow; 11. a second rotating shaft; 12. a first delivery wheel; 13. a first non-slip layer; 14. a second delivery wheel; 15. a second non-slip layer; 16. a third rotating shaft; 17. a third bow; 18. a cylinder; 19. a push rod; 20. rotating the disc; 21. fixing the rod; 22. a metal roller; 23. fixing the disc; 24. positioning the wire spool; 25. a fixed mount; 26. a central control box; 27. a clamping plate; 28. a fixing plate; 29. a guide rail; 30. a slider; 31. a second motor; 32. a threaded sleeve; 33. a limiting plate; 34. an infrared range finder; 35. a shield; 36. steel strand wires; 37. and a lead screw.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 1 to 5, in the steel strand fixed-length cutting device of the present invention, when working, a steel strand 36 is continuously conveyed on two sets of lifting devices, two sets of pressing devices compress the steel strand 36, a measuring device measures the conveying length of the steel strand 36, when the measuring device measures the conveying length of the steel strand 36 to reach a specified value, the measuring device controls the external stranding device and the external rolling device to stop running, the steel strand 36 stops conveying, two sets of clamping devices are opened, two sets of clamping devices clamp the steel strand 36, a first motor 3 is opened, the first motor 3 drives an external threaded post 6 to rotate through a first rotating shaft 4, the outer wall of the external threaded post 6 is engaged with the inner wall of an internal threaded bin 5, the external threaded post 6 pushes the internal threaded bin 5 to move downwards, the internal threaded bin 5 drives a laser cutter 9 to move downwards through a moving plate 7, the bottom of laser cutter 9 is close with steel strand wires 36, the bottom that the movable plate 7 of moving state drove multiunit telescopic link 8 simultaneously moves, multiunit telescopic link 8 supports movable plate 7, open laser cutter 9, laser cutter 9's bottom shines out the laser sword and carries out vertical cutting process to steel strand wires 36, after steel strand wires 36 cut off the completion, close laser cutter 9, first motor of reverse operation 3, first motor 3 drives laser cutter 9 rebound and resumes to initial position, open two sets of clamping device, the winding is carried out to the surplus steel strand wires after will cutting off through external coiling mechanism, thereby accomplish the automatic scale of steel strand wires and cut off the processing work.

The main functions realized by the invention are as follows: by carrying out automatic sizing and cutting treatment on the steel strand, the length sizing precision of the steel strand can be effectively improved, the length of each coil of the steel strand is convenient to keep consistent, meanwhile, the steel strand sizing mode is simplified, and the labor and the time are saved; the working mode of the lifting device is that the steel strand is lapped on the upper side of the first anti-slip layer, when the steel strand is conveyed, the outer wall of the steel strand generates friction force with the outer wall of the first anti-slip layer, the steel strand drives the first anti-slip layer, the first conveying wheel and the second rotating shaft to rotate, the second rotating shaft drives the measuring device to operate, and the lifting device is arranged, so that the steel strand can be lifted conveniently, the phenomenon of collapse during conveying is prevented, and the steel strand is conveyed stably; the working mode of the pressing device is that two groups of cylinders are opened, the two groups of cylinders respectively push the third arched frame to move downwards through two groups of push rods, the third arched frame drives the third rotating shaft, the second anti-skid layer and the second conveying wheel to move downwards, the bottom of the second anti-skid layer is in contact with the top of the steel strand and extrudes the steel strand, when the steel strand is conveyed, the steel strand drives the second anti-skid layer, the second conveying wheel and the third rotating shaft to rotate on the third arched frame, and the pressing device is arranged, so that the steel strand in a conveying state can be conveniently pressed and conveyed, the steel strand is prevented from being separated from the first conveying wheel and the first anti-skid layer when conveyed, and the steel strand can be conveniently conveyed; the measuring device has the working mode that the central control box can detect the contact position of the metal roller on the positioning wire spool, when the second rotating shaft rotates, the second rotating shaft drives the metal roller to roll on the positioning wire spool through the rotating disc and the fixed rod, and the central control box can detect the rotating angle and the rotating number of turns of the metal roller on the positioning wire spool, so that the transmission length of the steel strand is calculated according to the diameters of the first conveying wheel and the first anti-skid layer, and the sizing precision of the steel strand is effectively improved; the working mode of the clamping device is that a steel strand passes between two groups of clamping plates, two groups of second motors are turned on, the two groups of second motors respectively drive two groups of screw rods to rotate, the two groups of screw rods are respectively connected with the two groups of screw sleeves in a screw mode, the two groups of screw sleeves respectively drive the two groups of screw sleeves to move downwards, the two groups of screw sleeves respectively drive the two groups of upper fixing plates and the upper clamping plate to move downwards, the bottom of the upper clamping plate is in contact with the top of the steel strand and clamps the steel strand, the position of the steel strand is fixed, the two groups of upper fixing plates in a moving state respectively drive the two groups of sliding blocks to slide on the two groups of guide rails, after the steel strand is cut off, the two groups of second motors are reversely operated, the upper clamping plate moves upwards and restores to an initial position, the clamping device is arranged to conveniently clamp and fix the steel strand, so that, the smoothness of the steel strand notch is improved; when the two groups of upper fixing plates move upwards, the tops of the two groups of upper fixing plates can be respectively contacted with the bottoms of the two groups of limiting plates, and the moving positions of the two groups of upper fixing plates and the upper clamping plate can be conveniently limited by arranging the two groups of limiting plates, so that the two groups of screw rods are prevented from being separated from the two groups of screw sleeves respectively; opening the infrared distance meter, wherein the infrared distance meter can detect the distance between the infrared distance meter and the top of the steel strand and transmit a detection signal to the central control box, and when the detected distance value reaches a fixed value, the central control box controls the first motor to be closed, and the laser cutter stops moving downwards, so that the downward movement position of the laser cutter is limited, and the laser cutter is prevented from colliding with the steel strand; through setting up the guard shield, can conveniently keep apart the protection to measuring device, conveniently protect measuring device, improve practicality and reliability.

According to the steel strand fixed-length cutting equipment, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the steel strand fixed-length cutting equipment can be implemented as long as the beneficial effects of the steel strand fixed-length cutting equipment can be achieved; laser cutter, metal gyro wheel, location wire reel, well accuse case and infrared ray distancer can purchase in the market.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A steel strand sizing and cutting device is characterized by comprising a base (1), a first cambered plate (2), a first motor (3), a first rotating shaft (4), an internal thread bin (5) and an external thread column (6), wherein the left side and the right side of the base (1) are respectively provided with a lifting device, two groups of lifting devices are respectively provided with a pressing device, the right side lifting device is provided with a measuring device, the front side and the rear side of the bottom of the first cambered plate (2) are respectively arranged on the base (1), the first motor (3) is arranged on the first cambered plate (2), the first rotating shaft (4) is positioned at the upper side inside the first cambered plate (2), the top of the first rotating shaft (4) penetrates through the first cambered plate (2) and is arranged at the lower side output end of the first motor (3), the first rotating shaft (4) is rotatably connected with the first cambered plate (2), the internal thread bin (5) is positioned below the first rotating shaft (4), the bottom of a first rotating shaft (4) penetrates through the top of an internal thread bin (5) and extends into the internal thread bin (5), the first rotating shaft (4) and the internal thread bin (5) can rotate relatively, threads are arranged on the inner wall of the internal thread bin (5), an external thread column (6) is positioned inside the internal thread bin (5) and installed at the bottom of the first rotating shaft (4), the outer wall of the external thread column (6) is meshed with the threads on the inner wall of the internal thread bin (5), a moving plate (7) is arranged at the bottom of the internal thread bin (5), a plurality of groups of telescopic rods (8) are uniformly arranged on the outer side of the top of the moving plate (7), the tops of the groups of telescopic rods (8) are all installed at the top of the inner wall of a first cambered plate (2), a laser cutter (9) is arranged at the bottom of the moving plate (7), clamping devices are arranged on the left side and the right side of the first, the left side of the steel strand (36) passes through the two groups of lifting devices and the two groups of clamping devices and is wound on external winding equipment.

2. The steel strand fixed-length cutting equipment as claimed in claim 1, characterized in that the lifting device comprises a second bow-shaped frame (10), a second rotating shaft (11) and a first conveying wheel (12), the second bow-shaped frame (10) is installed on the right side of the base (1), the second rotating shaft (11) is rotatably installed on the lower side of the inner wall of the second bow-shaped frame (10), the front end of the second rotating shaft (11) penetrates through the second bow-shaped frame (10) and extends out to the front of the second bow-shaped frame (10), the measuring device is installed on the front side of the second bow-shaped frame (10) and is in transmission connection with the front end of the second rotating shaft (11), the first conveying wheel (12) is located inside the second bow-shaped frame (10), the first conveying wheel (12) is installed on the second rotating shaft (11), and a first anti-slip layer (13) is laid on the outer wall of the first conveying wheel (12).

3. The steel strand fixed-length cutting equipment as claimed in claim 2, characterized in that the pressing device comprises a second conveying wheel (14), a third rotating shaft (16), a third arched frame (17), two sets of cylinders (18) and two sets of push rods (19), wherein the second conveying wheel (14) is positioned above the first conveying wheel (12), a second anti-slip layer (15) is laid on the outer wall of the second conveying wheel (14), the third rotating shaft (16) is installed on the second conveying wheel (14), the third arched frame (17) is positioned outside the second conveying wheel (14), the front end and the rear end of the third rotating shaft (16) can be rotatably installed on the inner wall of the third arched frame (17), the two sets of cylinders (18) are installed on the top of the second arched frame (10), the bottoms of the two sets of push rods (19) are installed on the top of the third arched frame (17), the tops of the two sets of push rods (19) pass through the second arched frame (10) and are respectively installed on the two sets of cylinders (18), the two groups of push rods (19) are respectively connected with the second bow-shaped frame (10) in a sliding way.

4. The steel strand fixed-length cutting equipment as claimed in claim 3, wherein the measuring device comprises a rotating disc (20), a fixed rod (21), a metal roller (22), a fixed disc (23), a positioning wire reel (24), two sets of fixed frames (25) and a central control box (26), the rotating disc (20) is installed at the front end of the second rotating shaft (11), the fixed rod (21) is installed at the top of the rotating disc (20), the metal roller (22) is rotatably installed at the upper side of the fixed rod (21), the fixed disc (23) is positioned in front of the metal roller (22), the positioning wire reel (24) is installed at the rear side of the fixed disc (23), the rear side of the positioning wire reel (24) is in contact with the front side of the metal roller (22) and is in signal connection through contact, the metal roller (22) can roll on the positioning wire reel (24), the fixed disc (23) is fixed on the second bow-shaped frame (10) through the two sets of fixed frames (25), the central control box (26) is positioned above the upper side fixing frame (25), and the central control box (26) is installed on the second bow-shaped frame (10) and is respectively in signal connection with the metal roller (22) and the positioning wire spool (24).

5. The steel strand fixed-length cutting equipment as claimed in claim 4, characterized in that the clamping device comprises two groups of clamping plates (27), two groups of guide rails (29), two groups of sliding blocks (30), two groups of second motors (31) and two groups of screw sleeves (32), the two groups of clamping plates (27) are respectively positioned at the upper side and the lower side in the first cambered plate (2), the front side and the rear side of the two groups of clamping plates (27) are respectively provided with a fixing plate (28), the outer ends of the two groups of lower fixing plates (28) are respectively fixed on the inner wall of the first cambered plate (2), the two groups of guide rails (29) are respectively vertically arranged at the front side and the rear side of the inner wall of the first cambered plate (2), the two groups of sliding blocks (30) are respectively slidably arranged on the two groups of guide rails (29), the outer ends of the two groups of upper fixing plates (28) are respectively arranged at the inner ends of the two groups of sliding blocks (30), the two groups, two sets of swivel nuts (32) are installed respectively on two sets of fixed plates (28) of upside, and the upside output of two sets of second motors (31) all is provided with lead screw (37), and the top of two sets of lead screw (37) passes two sets of swivel nuts (32) respectively and stretches out to the top of two sets of swivel nuts (32), and two sets of lead screw (37) are respectively with two sets of fixed plates (28) rotatable coupling of downside, and two sets of lead screw (37) are connected with two sets of swivel nuts (32) spiral shell dress respectively.

6. The steel strand fixed-length cutting equipment as claimed in claim 5, wherein the clamping device further comprises two sets of limiting plates (33), and the two sets of limiting plates (33) are respectively fixed on the tops of the two sets of lead screws (37) through two sets of bolts.

7. The steel strand fixed-length cutting equipment as claimed in claim 6, characterized by further comprising an infrared distance meter (34), wherein the infrared distance meter (34) is installed at the left side of the moving plate (7), the position of the infrared distance meter (34) corresponds to the position of the steel strand (36), and the infrared distance meter (34) is in signal connection with the central control box (26).

8. A strand cut-to-length apparatus as claimed in claim 7, further comprising a shroud (35), the shroud (35) being located outside the measuring means, the shroud (35) being mounted on the front side of the right second bow (10).