阅读说明：本技术 一种建筑钢材切割设备及切割方法 (Building steel cutting equipment and cutting method ) 是由 王德勇 于 2021-08-02 设计创作，主要内容包括：本发明公开了一种建筑钢材切割设备及切割方法,属于建筑钢材加工技术领域,一种建筑钢材切割设备,包括设备底座,设备底座的上端通过固定支架固定安装有送料内筒,送料内筒的外侧设置有送料外筒,送料内筒和送料外筒之间阵列设置有多个送料机构,多个送料机构的后端均设置有送料电机,多个送料电机均电性连接控制终端,送料内筒的前端内壁设置有圆形电动导轨,圆形电动导轨的滑动端上设置有切割机构,通过多个送料机构间歇性按计划送料,通过设置的切割机构尺寸顺时针转动切割钢材,按照切割计划完成对钢材的切割工作,大大提高了钢材的切割效率,并且能够同时切割不同长度和不同规格的钢材,提高了装置的适用性。(The invention discloses a cutting device and a cutting method for building steel, belonging to the technical field of building steel processing, the cutting device for building steel comprises a device base, wherein the upper end of the device base is fixedly provided with a feeding inner cylinder through a fixed support, the outer side of the feeding inner cylinder is provided with a feeding outer cylinder, a plurality of feeding mechanisms are arranged between the feeding inner cylinder and the feeding outer cylinder in an array manner, the rear ends of the plurality of feeding mechanisms are respectively provided with a feeding motor, the plurality of feeding motors are electrically connected with a control terminal, the inner wall of the front end of the feeding inner cylinder is provided with a circular electric guide rail, the sliding end of the circular electric guide rail is provided with a cutting mechanism, feeding is carried out intermittently according to a plan through the plurality of feeding mechanisms, the steel is cut clockwise through the size of the arranged cutting mechanism, the cutting work for the steel is finished according to the cutting plan, the cutting efficiency for the steel is greatly improved, and the steel with different lengths and different specifications can be cut simultaneously, the applicability of the device is improved.)

1. The utility model provides a building steel cutting equipment, includes equipment base (1), its characterized in that: the utility model discloses an equipment base, including equipment base (1), fixed bolster (2), pay-off inner tube (3), pay-off outer tube (4) are provided with in the outside of pay-off inner tube (3), the array is provided with a plurality of feeding mechanism (5), and is a plurality of between pay-off inner tube (3) and pay-off outer tube (4) the rear end of feeding mechanism (5) all is provided with pay-off motor (8), and is a plurality of the equal electrically connected control terminal of pay-off motor (8), the front end inner wall of pay-off inner tube (3) is provided with circular electric guide rail (6), be provided with cutting mechanism (7) on the slip end of circular electric guide rail (6), the front end of cutting mechanism (7) is provided with steel cutting saw bit (16), the outer end of steel cutting saw bit (16) is higher than the surface of pay-off outer tube (4).

2. The building steel cutting apparatus according to claim 1, wherein: circular electronic guide rail (6) are including guide rail fixing base (9), guide rail body (10) and guide rail slide (11), guide rail body (10) fixed connection is in guide rail fixing base (9) front side, and the inner wall of guide rail body (10) and outer wall correspond the position and seted up the spout, guide rail slide (11) set up in guide rail body (10) front side, and the rear end of guide rail slide (11) corresponds guide rail body (10) both sides and is provided with a plurality of deflector roll gyro wheels (12), and is a plurality of deflector roll gyro wheel (12) sliding connection respectively is in guide rail body (10) both sides spout, the front end of guide rail slide (11) is provided with guide rail motor (13), the output shaft of guide rail motor (13) runs through guide rail slide (11) surface and is connected with a plurality of deflector roll gyro wheel (12) transmission.

3. The building steel cutting apparatus according to claim 2, wherein: cutting mechanism (7) still include drive gear box (14) and cutting motor (15), the rear side one end and guide rail motor (13) fixed connection of drive gear box (14), and drive gear box (14) rear side other end fixedly connected with cutting motor (15), the output shaft of cutting motor (15) is inserted and is located the input key hole of drive gear box (14), steel cutting saw bit (16) fixed mounting is on drive gear box (14) output shaft.

4. The building steel cutting apparatus of claim 3, wherein: an inner support frame (18) is fixedly connected between the fixed support (2) and the inner wall of the feeding inner cylinder (3), a plurality of connecting rods (31) are uniformly distributed on the outer wall of the inner support frame (18), the outer ends of the connecting rods (31) are fixedly connected with the inner wall of the feeding inner cylinder (3), a conductive sliding ring (17) is arranged at the front end of the inner support frame (18), the conductive sliding ring (17) is arranged corresponding to the positions of the circular electric guide rail (6) and the cutting mechanism (7), the conductive sliding ring (17) is electrically connected with the guide rail motor (13) and the cutting motor (15), an electric connection socket (32) is arranged at the front end of the fixed support (2), and the electric connection socket (32) is electrically connected with the conductive sliding ring (17).

5. The building steel cutting apparatus according to claim 1, wherein: the feeding mechanism (5) comprises a driven conveying seat (19) and a driving conveying seat (23), the bottom of the driven conveying seat (19) is fixedly connected with the outer wall of the feeding inner cylinder (3), and a plurality of carrier rollers (20) are arranged at the upper end of the driven conveying seat (19) in an equidistant array, a plurality of active compression rollers (25) are arranged on the lower side of the active conveying seat (23) in an array manner, the rear end of the driving conveying seat (23) is fixedly connected with a synchronous driving box (26), the rotating shafts of the driving press rollers (25) are in transmission connection with the synchronous driving box (26) through a worm and gear transmission mechanism, the worm gear and worm transmission mechanism is embedded in the driving conveying seat (23), the feeding motor (8) is fixedly arranged on the outer side surface of the synchronous driving box (26), and the output shaft of the feeding motor (8) is inserted into the input end of the synchronous driving box (26).

6. The building steel cutting apparatus of claim 5, wherein: the outer side of the feeding outer barrel (4) corresponds to two active conveying seat slots (21) fixedly connected with the active conveying seat (23), the active conveying seat (23) is movably inserted between the two active conveying seat slots (21), the outer sides of the active conveying seat slots (21) are fixedly provided with active conveying seat sealing covers (22) through bolts, and the active conveying seat sealing covers (22) are provided with adjusting screw rods (24).

7. The building steel cutting apparatus of claim 6, wherein: adjusting screw (24) threaded connection is in the outside center department that initiatively carries the sealed lid (22), and the inner end of adjusting screw (24) runs through initiatively and carries the sealed lid (22) setting of seat, initiatively carry the outside center of seat (23) to be provided with screw rod swivel mount (29), the inner end of adjusting screw (24) is rotated through the bearing and is installed in screw rod swivel mount (29), and the outer end fixedly connected with knob (30) of adjusting screw (24).

8. The building steel cutting apparatus of claim 6, wherein: the outer side of the active conveying seat (23) is fixedly connected with two guide rods (27), the two guide rods (27) are symmetrically arranged front and back, and the two guide rods (27) penetrate through the sealing cover (22) of the active conveying seat.

9. The building steel cutting apparatus according to claim 1, wherein: the feeding device is characterized in that a plurality of reinforcing connecting plates (28) are fixedly mounted between the feeding inner barrel (3) and the feeding outer barrel (4), and the plurality of reinforcing connecting plates (28) are uniformly distributed among the plurality of feeding mechanisms (5).

10. A construction steel cutting method based on the construction steel cutting apparatus of claim 1, comprising the steps of:

s1, planning the cutting lengths and the cutting quantities of the steel products with different models and specifications according to the production requirements, and making a cutting plan;

s2, evenly distributing the cutting fluid to a plurality of independent conveying tasks of the feeding mechanisms (5) according to a cutting plan;

s3, sending the steel products with the corresponding models into a feeding mechanism (5) from the rear side of the device according to a cutting plan;

s4, intermittently conveying the steel forwards by the feeding mechanism (5) according to a plan, and after the cutting mechanism (7) passes through the feeding mechanism (5), immediately starting the feeding mechanism (5) to push the steel forwards to a cutting length so that the cutting mechanism (7) can cut the steel with a corresponding length in the next pass;

s5, the cutting mechanism (7) rotates clockwise under the drive of the circular electric guide rail (6), so that the steel cutting saw blade (16) cuts off the steel sent out by the feeding mechanism (5), and the cutting work of the steel is continuously completed.

Technical Field

The invention relates to the technical field of building steel processing, in particular to building steel cutting equipment and a cutting method.

Background

In the building construction process, steel materials with different lengths are generally needed, therefore, the process of cutting the steel materials is a necessary and few process in the building construction process, in the prior art, a motor is generally adopted to drive a cutting wheel to rotate, and the cutting wheel is manually moved downwards to cut, the structure has the defects that only one steel material can be cut at a time, the cutting wheel is reset after the cutting is finished, then a worker manually feeds once, and then the next cutting is carried out, the steel materials cannot be fed during the cutting, the steel materials can only be fed after the cutting is finished, the batch cutting of the steel materials cannot be met, the working efficiency is low, even if an automatic feeding device is arranged, the feeding of the steel materials with the same size can be generally realized, the steel materials with different sizes cannot be adapted, and the building steel material cutting equipment and the cutting method are provided.

Disclosure of Invention

The invention aims to provide a building steel cutting device which can continuously and efficiently cut steel.

A second object of the invention is to provide a method for using the above cutting device.

In order to solve the problems, the invention adopts the following technical scheme:

the utility model provides a building steel cutting equipment, includes the equipment base, the upper end of equipment base has the pay-off inner tube through fixed bolster fixed mounting, the outside of pay-off inner tube is provided with the pay-off urceolus, the array is provided with a plurality of feeding mechanism between pay-off inner tube and the pay-off urceolus, and is a plurality of feeding mechanism's rear end all is provided with the pay-off motor, and is a plurality of the equal electrically connected control terminal of pay-off motor, the front end inner wall of pay-off inner tube is provided with circular electric guide rail, be provided with cutting mechanism on circular electric guide rail's the slip end, cutting mechanism's front end is provided with the steel cutting saw bit, the outer end of steel cutting saw bit is higher than the surface of pay-off urceolus.

As a preferred scheme of the invention, the circular electric guide rail comprises a guide rail fixing seat, a guide rail body and a guide rail sliding seat, the guide rail body is fixedly connected to the front side of the guide rail fixing seat, sliding grooves are formed in corresponding positions of the inner wall and the outer wall of the guide rail body, the guide rail sliding seat is arranged on the front side of the guide rail body, a plurality of guide roller wheels are arranged at the rear end of the guide rail sliding seat and correspond to two sides of the guide rail body, the guide roller wheels are respectively connected in the sliding grooves at the two sides of the guide rail body in a sliding manner, a guide rail motor is arranged at the front end of the guide rail sliding seat, and an output shaft of the guide rail motor penetrates through the outer surface of the guide rail sliding seat and is in transmission connection with the guide roller wheels.

As a preferable scheme of the present invention, the cutting mechanism further includes a driving gear box and a cutting motor, one end of the rear side of the driving gear box is fixedly connected to the guide rail motor, the other end of the rear side of the driving gear box is fixedly connected to the cutting motor, an output shaft of the cutting motor is inserted into an input key hole of the driving gear box, and the steel cutting saw blade is fixedly mounted on the output shaft of the driving gear box.

As a preferred scheme of the invention, an inner support frame is fixedly connected between the fixed support and the inner wall of the feeding inner cylinder, a plurality of connecting rods are uniformly distributed on the outer wall of the inner support frame, the outer ends of the connecting rods are fixedly connected with the inner wall of the feeding inner cylinder, a conductive sliding ring is arranged at the front end of the inner support frame, the conductive sliding ring is arranged corresponding to the positions of the circular electric guide rail and the cutting mechanism, and is electrically connected with the guide rail motor and the cutting motor, and an electric socket is arranged at the front end of the fixed support and is electrically connected with the conductive sliding ring.

As a preferred scheme of the invention, the feeding mechanism comprises a driven conveying seat and a driving conveying seat, the bottom of the driven conveying seat is fixedly connected to the outer wall of the feeding inner cylinder, a plurality of carrier rollers are arranged at the upper end of the driven conveying seat in an equidistant array, a plurality of driving compression rollers are arranged at the lower side of the driving conveying seat in an array manner, a synchronous driving box is fixedly connected to the rear end of the driving conveying seat, rotating shafts of the driving compression rollers and the synchronous driving box are in transmission connection through a worm and gear transmission mechanism, the worm and gear transmission mechanism is embedded in the driving conveying seat, the feeding motor is fixedly installed on the outer side surface of the synchronous driving box, and an output shaft of the feeding motor is inserted into an input end of the synchronous driving box.

As a preferable scheme of the invention, two active conveying seat slots are fixedly connected to the outer side of the feeding outer cylinder corresponding to the active conveying seat, the active conveying seat is movably inserted between the two active conveying seat slots, active conveying seat sealing covers are fixed to the outer sides of the two active conveying seat slots through bolts, and adjusting screws are arranged on the active conveying seat sealing covers.

As a preferable scheme of the present invention, the adjusting screw is in threaded connection with the center of the outer side of the sealing cover of the active conveying seat, the inner end of the adjusting screw penetrates through the sealing cover of the active conveying seat, the center of the outer side of the active conveying seat is provided with a screw rotating seat, the inner end of the adjusting screw is rotatably mounted in the screw rotating seat through a bearing, and the outer end of the adjusting screw is fixedly connected with a knob.

As a preferable scheme of the invention, two guide rods are fixedly connected to the outer side of the active conveying seat, the two guide rods are symmetrically arranged in front and back, and the two guide rods penetrate through the sealing cover of the active conveying seat.

As a preferable scheme of the invention, a plurality of reinforcing connecting plates are fixedly arranged between the feeding inner cylinder and the feeding outer cylinder, and the plurality of reinforcing connecting plates are uniformly distributed among the plurality of feeding mechanisms.

A building steel cutting method comprises the following steps:

s1, planning the cutting lengths and the cutting quantities of the steel products with different models and specifications according to the production requirements, and making a cutting plan;

s2, averagely distributing the cutting fluid to a plurality of independent conveying tasks of the feeding mechanism according to a cutting plan;

s3, feeding the steel products with the corresponding models into a feeding mechanism from the rear side of the device according to a cutting plan;

s4, the feeding mechanism intermittently conveys the steel forwards according to the plan, and after the cutting mechanism passes through the feeding mechanism, the feeding mechanism immediately starts to push the steel forwards to the cutting length, so that the cutting mechanism can cut the steel with the corresponding length when passing next time;

and S5, the cutting mechanism rotates clockwise under the drive of the circular electric guide rail, so that the steel cutting saw blade cuts off the steel sent out by the feeding mechanism, and the cutting work of the steel is continuously completed.

Compared with the prior art, the invention has the advantages that:

(1) this scheme is through a plurality of feeding mechanism intermittent type nature according to plan pay-off, clockwise rotation cutting steel through the cutting mechanism size that sets up, accomplishes the cutting work to steel according to the cutting plan, and one of them steel cutting finishes the back, and cutting mechanism removes next department and carries out the cutting of next steel, and feeding and cutting are not influenced each other, have improved the cutting efficiency of steel greatly to can cut the steel of different length and different specifications simultaneously, improve the suitability of device.

(2) This scheme is through setting up the initiative and carrying the seat slot and initiatively carry the sealed lid of seat, can carry the seat to seal through dismantling the initiative, will take out the initiative and carry the seat, and the feeding mechanism's of being convenient for maintenance has effectively improved the life of device.

(3) This scheme realizes speed reduction transmission through setting up drive gear box and cutting motor, improves the moment of torsion of steel cutting saw bit, improves the cutting effect, prevents that steel cutting saw bit card from dying to the position that drive gear box and cutting motor set up makes circular electric guide and cutting mechanism's structure compacter, the installation of being convenient for.

(4) This scheme is convenient for adjust the interval of initiative transport seat and driven transport seat through the adjusting screw who sets up to make feeding mechanism be applicable to the transport of different specification steels, through setting up the guide bar, lead to the initiative transport seat, avoid the initiative transport seat incline, guarantee the normal operation of initiative transport seat.

(5) This scheme is through setting up strengthening the connecting plate and connecting rod connection inner support frame, pay-off inner tube and pay-off urceolus, has improved the general structural strength of device, has improved the life of device.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a side cross-sectional view of the present invention;

FIG. 3 is a perspective view of the endless track and cutting mechanism of the present invention;

FIG. 4 is an exploded view of the feed mechanism of the present invention;

figure 5 is a perspective view of the apparatus base and inner support frame of the present invention.

The reference numbers in the figures illustrate:

1. an equipment base; 2. fixing a bracket; 3. a feeding inner cylinder; 4. a feeding outer cylinder; 5. a feeding mechanism; 6. a circular electric rail; 7. a cutting mechanism; 8. a feeding motor; 9. a guide rail fixing seat; 10. a guide rail body; 11. a rail slide; 12. a guide roller; 13. a rail motor; 14. a drive gear box; 15. cutting the motor; 16. a steel cutting saw blade; 17. a conductive slip ring; 18. an inner support frame; 19. a driven conveying seat; 20. a carrier roller; 21. an active delivery seat slot; 22. the active conveying seat is sealed; 23. an active delivery seat; 24. adjusting the screw rod; 25. a driving compression roller; 26. a synchronous drive box; 27. a guide bar; 28. reinforcing the connecting plate; 29. a screw rod is rotated; 30. a knob; 31. a connecting rod; 32. and (4) connecting a power socket.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-5, a construction steel cutting device includes a device base 1, a feeding inner cylinder 3 is fixedly mounted at the upper end of the device base 1 through a fixing support 2, a feeding outer cylinder 4 is disposed at the outer side of the feeding inner cylinder 3, a plurality of feeding mechanisms 5 are arranged between the feeding inner cylinder 3 and the feeding outer cylinder 4 in an array manner, feeding motors 8 are disposed at the rear ends of the feeding mechanisms 5, the feeding motors 8 are electrically connected to a control terminal, a circular electric guide rail 6 is disposed on the inner wall of the front end of the feeding inner cylinder 3, a cutting mechanism 7 is disposed on the sliding end of the circular electric guide rail 6, a steel cutting saw blade 16 is disposed at the front end of the cutting mechanism 7, and the outer end of the steel cutting saw blade 16 is higher than the outer surface of the feeding outer cylinder 4.

Specifically, circular electronic guide rail 6 includes guide rail fixing base 9, guide rail body 10 and guide rail slide 11, guide rail body 10 fixed connection is in guide rail fixing base 9 front side, and the inner wall of guide rail body 10 and the outer wall correspond the position and have seted up the spout, guide rail slide 11 sets up in guide rail body 10 front side, and guide rail slide 11's rear end corresponds guide rail body 10 both sides and is provided with a plurality of deflector roll gyro wheels 12, a plurality of deflector roll wheels 12 are sliding connection respectively in guide rail body 10 both sides spout, guide rail slide 11's front end is provided with guide rail motor 13, guide rail motor 13's output shaft runs through guide rail slide 11 surface and is connected with a plurality of deflector roll 12 transmissions.

In this embodiment, be convenient for circular electronic guide rail 6 and pay-off inner tube 3 fixed through the guide rail fixing base 9 that sets up, guide rail slide 11 passes through guide roller 12 and guide rail body 10 cooperation for guide rail slide 11 can remove along guide rail body 10, thereby drives cutting mechanism 7 circumference and rotates, and the rotation speed of cutting mechanism 7 is convenient for control through the operation of guide rail motor 13 drive guide roller 12 that sets up.

Specifically, the cutting mechanism 7 further comprises a driving gear box 14 and a cutting motor 15, one end of the rear side of the driving gear box 14 is fixedly connected with the guide rail motor 13, the other end of the rear side of the driving gear box 14 is fixedly connected with the cutting motor 15, an output shaft of the cutting motor 15 is inserted into an input key hole of the driving gear box 14, and a steel cutting saw blade 16 is fixedly installed on the output shaft of the driving gear box 14.

In this embodiment, through setting up drive gear box 14 and cutting motor 15, realize speed reduction, improve steel cutting saw bit 16's moment of torsion, improve the cutting effect, prevent that steel cutting saw bit 16 from dying to the position that drive gear box 14 and cutting motor 15 set up makes circular electric guide 6 and cutting mechanism 7's structure compacter, the installation of being convenient for.

Specifically, an inner support frame 18 is fixedly connected between the inner wall of the fixed support 2 and the inner wall of the feeding inner cylinder 3, a plurality of connecting rods 31 are uniformly distributed on the outer wall of the inner support frame 18, the outer ends of the connecting rods 31 are fixedly connected with the inner wall of the feeding inner cylinder 3, a conductive sliding ring 17 is arranged at the front end of the inner support frame 18, the conductive sliding ring 17 is arranged corresponding to the positions of the circular electric guide rail 6 and the cutting mechanism 7, the conductive sliding ring 17 is electrically connected with the guide rail motor 13 and the cutting motor 15, an electric connection socket 32 is arranged at the front end of the fixed support 2, and the electric connection socket 32 is electrically connected with the conductive sliding ring 17.

In the embodiment, the feeding inner barrel 3 is fixed by arranging the inner support frame 18, the power supply and the cutting mechanism 7 are connected by arranging the inner support frame 18 and the conductive sliding ring 17 on the inner support frame 18, so that the power connection of the cutting mechanism 7 in the circumferential rotation is ensured, and the normal work of the device is ensured.

Specifically, feeding mechanism 5 includes driven transport seat 19 and initiative transport seat 23, the bottom fixed connection of driven transport seat 19 in the 3 outer walls of pay-off inner tube, and 19 upper ends equidistant arrays of driven transport seat are provided with a plurality of bearing rollers 20, the downside array of initiative transport seat 23 is provided with a plurality of initiative compression rollers 25, and the rear end fixedly connected with synchronous drive case 26 of initiative transport seat 23, all be connected through worm gear drive transmission between the pivot of a plurality of initiative compression rollers 25 and the synchronous drive case 26, and worm gear drive buries underground in initiative transport seat 23, 8 fixed mounting of pay-off motor in 26 lateral surfaces of synchronous drive case, and 8 output shafts of pay-off motor insert and locate in the input of synchronous drive case 26.

In this embodiment, the driven conveying seat 19 and the driving conveying seat 23 are arranged, so that the carrier roller 20 and the driving press roller 25 push the steel to be conveyed in a clamping manner, and the steel is conveyed conveniently.

Specifically, the outer side of the feeding outer cylinder 4 is fixedly connected with two active conveying seat slots 21 corresponding to the active conveying seat 23, the active conveying seat 23 is movably inserted between the two active conveying seat slots 21, active conveying seat sealing covers 22 are fixed on the outer sides of the two active conveying seat slots 21 through bolts, and adjusting screws 24 are arranged on the active conveying seat sealing covers 22.

In this embodiment, the active transport seat slot 21 and the active transport seat sealing cover 22 are provided, so that the active transport seat 23 is convenient to install and maintain.

Specifically, adjusting screw 24 threaded connection is in the outside center department that initiatively carries the sealed lid 22, and adjusting screw 24's inner end runs through the sealed lid 22 setting of initiatively carrying seat, and initiatively carries the outside center of seat 23 to be provided with screw swivel mount 29, and adjusting screw 24's inner end is rotated through the bearing and is installed in screw swivel mount 29, and adjusting screw 24's outer end fixedly connected with knob 30.

In this embodiment, the distance between the driving conveying seat 23 and the driven conveying seat 19 is convenient to adjust through the adjusting screw 24, so that the feeding mechanism 5 is suitable for conveying steel products with different specifications.

Specifically, two guide rods 27 are fixedly connected to the outer side of the active conveying seat 23, the two guide rods 27 are symmetrically arranged in front and back, and the two guide rods 27 penetrate through the sealing cover 22 of the active conveying seat.

In this embodiment, the guide rod 27 is provided to guide the active transport seat 23, so as to prevent the active transport seat 23 from deflecting and ensure the normal operation of the active transport seat 23.

Specifically, a plurality of reinforcing connecting plates 28 are fixedly mounted between the feeding inner cylinder 3 and the feeding outer cylinder 4, and the plurality of reinforcing connecting plates 28 are uniformly distributed among the plurality of feeding mechanisms 5.

In the embodiment, the reinforcing connecting plate 28 is arranged, so that the structural strength between the feeding inner cylinder 3 and the feeding outer cylinder 4 is improved, and the service life of the device is prolonged.

A building steel cutting method comprises the following steps:

s1, planning the cutting lengths and the cutting quantities of the steel products with different models and specifications according to the production requirements, and making a cutting plan;

s2, evenly distributing the cutting fluid to a plurality of independent conveying tasks of the feeding mechanisms 5 according to a cutting plan;

s3, sending the steel products with the corresponding models into the feeding mechanism 5 from the rear side of the device according to the cutting plan;

s4, the feeding mechanism 5 intermittently conveys the steel forwards according to a plan, and after the cutting mechanism 7 passes through the feeding mechanism 5, the feeding mechanism 5 immediately starts to push the steel forwards to a cutting length, so that the cutting mechanism 7 can cut the steel with a corresponding length in the next pass;

s5, the cutting mechanism 7 rotates clockwise under the drive of the circular electric guide rail 6, so that the steel cutting saw blade 16 cuts off the steel sent out by the feeding mechanism 5, and the cutting work of the steel is continuously completed without interruption.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.