CN215468511U

CN215468511U - Multi-functional steel cutting machine is used in construction

Info

Publication number: CN215468511U
Application number: CN202121573093.9U
Authority: CN
Inventors: 吴鹏
Original assignee: Xi'an Wanyuan Metal Material Co ltd
Current assignee: Xi'an Wanyuan Metal Material Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-01-11
Anticipated expiration: 2031-07-12

Abstract

The utility model discloses a multifunctional steel cutting machine for building construction, which comprises a base, wherein the top end of the base is provided with a first dovetail groove, the utility model provides a plurality of novel steel cutting devices, the clamping device can not apply pressure to two sides when the clamped steel is cut by changing the way of clamping the steel by the clamping device, the arrangement can reduce the abrasion of the saw blade and is easy to cut, the cutting machine can be adjusted in multiple directions, so that the steel can be cut in multiple directions, and can be cut for multiple times by clamping once, thereby avoiding the situation of multiple clamping, can effectively improve cutting efficiency, can make and press from both sides tightly completely at cutting in-process steel through pressing from both sides partial bolt locking about getting the device, avoid taking place not hard up in cutting process, the setting of a plurality of horizontal poles can avoid the steel sheet middle part to take place deformation when the cutting, and the setting of adjusting the pole makes the steel sheet accessible mechanical means completion steel sheet position's that the manpower was not convenient for adjust the regulation.

Description

Multi-functional steel cutting machine is used in construction

Technical Field

The utility model relates to the field of steel processing, in particular to a multifunctional steel cutting machine for building construction.

Background

The use amount of steel is also increasing along with the rapid development of society, and steel contains multiple shape when producing to satisfy the use under the various demands, but under the diversified circumstances of demand, traditional cutting device can't adapt to the cutting of multiple steel, and traditional device fixes through the clamp of two clamp plates when fixing the steel of waiting to cut, and such fixed mode is although quick, but the steel after the clamp is tight because both sides all atress, consequently can press from both sides the saw bit when the cutting and press from both sides tight and make the saw bit increase when continuing the cutting, so can make cutting efficiency reduce, and the steel sheet is placed the back manpower adjustment position of accomplishing and is more difficult.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a multifunctional steel cutting machine for building construction.

The utility model is realized by the following technical scheme:

a multifunctional steel cutting machine for building construction comprises a base, wherein a first dovetail groove is formed in the top end of the base, two first dovetail blocks are connected in the first dovetail groove in a sliding mode, a first deep groove ball bearing is fixedly embedded in the base, a first screw rod is arranged in the first dovetail groove, the first screw rod penetrates through one of the first dovetail blocks and is in threaded connection with the first dovetail blocks, one end of the first screw rod penetrating through one of the first dovetail blocks extends into the base and is fixedly connected with the inner ring wall of the first deep groove ball bearing, a second screw rod is inserted into one side of the base, one end of the second screw rod extends into the first dovetail groove, one end of the second screw rod extending into the first dovetail groove penetrates through the other first dovetail block and is in threaded connection with the first dovetail block, one end of the second screw rod penetrating through the other first dovetail block is fixedly connected with the other end of the first screw rod, the screw thread directions of the first screw and the second screw are opposite, the top end of each first dovetail block is fixedly connected with a moving plate, the top end of the base is fixedly connected with two L-shaped rods, each L-shaped rod penetrates through the two moving plates and is in sliding connection with the moving plates, the top end of each moving plate is provided with a clamping block, one side of each clamping block is fixedly connected with two second fixed blocks, the top end of each second fixed block is in threaded connection with a third screw, one side of each moving plate is fixedly connected with two first fixed blocks, each first fixed block is internally and fixedly embedded with a second deep groove ball bearing, the other end of each third screw respectively extends into the corresponding first fixed block and is fixedly connected with the inner ring wall of the second deep groove ball bearing, the top end of the base is fixedly connected with four supporting rods, the top end of the base is provided with a top plate, and the bottom end of the top plate is fixedly connected with the top ends of the four supporting rods, the bottom end of the top plate is provided with three second dovetail grooves, a second dovetail block is connected in each dovetail groove in a sliding manner, the bottom end of the top plate is provided with a moving rod, the top end of the moving rod is fixedly connected with the bottom ends of the three second dovetail blocks, the top end of the top plate is provided with a second sliding groove, the second sliding groove is communicated with one of the second dovetail grooves, a second sliding block is connected in the second sliding groove in a sliding manner, the top end of the second sliding block is fixedly connected with a moving block, the bottom end of the second sliding block is fixedly connected with one of the second dovetail blocks, the top end of the top plate is fixedly connected with a first motor and a limiting block, a fourth deep groove ball bearing is fixedly embedded in the limiting block, the output end of the first motor is fixedly connected with a fourth screw rod, the other end of the fourth screw rod penetrates through the moving block and is in threaded connection with the moving block, one end of the fourth screw rod penetrates through the moving block and extends into the limiting block and is fixedly connected with an inner ring ball bearing wall of the fourth deep groove, the bottom end of the top plate is provided with a moving rod, the top end of the moving rod is fixedly connected with the bottom ends of three second dovetail blocks, a third dovetail groove is formed in the bottom end of the moving rod, a third dovetail block is connected in the third dovetail groove in a sliding manner, a connecting block is fixedly connected with the bottom end of the third dovetail block, a third fixing block is fixedly connected to one side of the bottom end of the moving rod, a third deep groove ball bearing is fixedly embedded in the third fixing block, a second motor is fixedly connected to one side of the bottom end of the moving rod, a fifth screw rod is fixedly connected to the output end of the second motor, the other end of the fifth screw rod penetrates through the connecting block and is in threaded connection with the connecting block, one end of the fifth screw rod, penetrating through the connecting block, extends into the third fixing block and is fixedly connected with the inner ring wall of the third deep groove ball bearing, a hydraulic cylinder is fixedly connected to the bottom end of the connecting block, and a cutting machine limiting block is fixedly connected to the bottom end of the hydraulic cylinder, the cutting machine is characterized in that a circular groove is formed in the top end of a limiting block of the cutting machine, a disc is arranged in the circular groove, a rotating block is inserted into the top end of the limiting block of the cutting machine and is rotatably connected with the limiting block of the cutting machine, the top end of the rotating block is fixedly connected with the bottom end of the disc, the bottom end of the rotating block is fixedly connected with the cutting machine, a locking bolt is screwed on one side of the limiting block of the cutting machine, the locking bolt extends into the limiting block of the cutting machine and is attached to the side wall of the rotating block, a plurality of cross rods are fixedly connected to two movable plates, the cross rods positioned on one movable plate and the cross rods positioned on the other movable plate are arranged in a staggered manner, a plurality of through grooves are formed in the top ends of the two movable plates, the plurality of through grooves positioned on one movable plate and the plurality of opposite side walls positioned on the other movable plate are arranged in a staggered manner, an adjusting rod fixing block is fixedly connected to one side of a hydraulic cylinder, and an adjusting rod is inserted into one side of the adjusting rod fixing block, the adjusting rod is L-shaped, one side of the adjusting rod fixing block is screwed with an adjusting rod fixing bolt, and one end of the adjusting rod fixing bolt extends into the adjusting rod fixing block and is attached to the side wall of the adjusting rod.

Preferably, the top end of the base is fixedly connected with the bottom ends of the four support rods through welding.

Preferably, the first fixing block is made of a hard alloy material.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides novel steel cutting devices, which can ensure that the clamped steel cannot be stressed to two sides by the clamping device during cutting by changing the mode of clamping the steel by the clamping device, the abrasion of saw blades can be reduced by the arrangement, the cutting is easy, the arrangement can be adjusted in multiple directions by a cutting machine, the multi-direction cutting of the steel can be realized, the steel can be clamped for multiple times by one-time clamping, the situation of multiple clamping is avoided, the cutting efficiency can be effectively improved, the steel can be completely clamped in the cutting process by locking the bolts at the upper part and the lower part of the clamping device, the looseness in the cutting process can be avoided, the middle part of a steel plate can be prevented from being deformed during cutting by the arrangement of a plurality of cross rods, and the adjustment of the position of the steel plate, which is inconvenient to adjust by manpower, can be completed by the mechanical mode of the steel plate by the arrangement of an adjusting rod.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a cross-sectional view of a structure A-A according to the present invention;

FIG. 3 is a cross-sectional view of structure B-B of the present invention.

In the figure: the device comprises a base 1, a first dovetail groove 2, a first deep groove ball bearing 3, a first screw rod 4, a second screw rod 5, a first dovetail block 6, a moving plate 7, an L-shaped rod 8, a first fixed block 9, a second deep groove ball bearing 10, a clamping block 11, a second fixed block 12, a third screw rod 13, a supporting rod 14, a top plate 15, a second dovetail groove 16, a second dovetail block 17, a second sliding groove 18, a second sliding block 19, a moving block 20, a fourth screw rod 21, a first motor 22, a moving rod 23, a third dovetail block 24, a connecting block 25, a fifth screw rod 26, a third fixed block 27, a third deep groove ball bearing 28, a second motor 29, a hydraulic cylinder 30, a cutting machine limiting block 31, a circular groove 32, a circular disk 33, a rotating block 34, a locking bolt 35, a cutting machine 36, a limiting block 37, a fourth deep groove ball bearing 38, a third dovetail groove 39, a cross rod 40, a through groove 41, an adjusting rod 42, an adjusting rod fixing bolt 43, Adjusting the rod mount 44.

Detailed Description

The utility model is described in further detail below with reference to the following detailed description and accompanying drawings:

as shown in fig. 1, 2 and 3, a multifunctional steel cutting machine for building construction comprises a base 1, wherein a first dovetail groove 2 is formed at the top end of the base 1, two first dovetail blocks 6 are slidably connected in the first dovetail groove 2, a first deep groove ball bearing 3 is fixedly embedded in the base 1, a first screw rod 4 is arranged in the first dovetail groove 2, the first screw rod 4 penetrates through one of the first dovetail blocks 6 and is in threaded connection with the first dovetail block 6, one end of the first screw rod 4 penetrating through one of the first dovetail blocks 6 extends into the base 1 and is fixedly connected with the inner annular wall of the first deep groove ball bearing 3, a second screw rod 5 is inserted into one side of the base 1, one end of the second screw rod 5 extends into the first dovetail groove 2, one end of the second screw rod 5 extending into the first dovetail groove 2 penetrates through the other first dovetail block 6 and is in threaded connection with the first dovetail block 6, the second screw 5 penetrates through one end of another first dovetail block 6 and is fixedly connected with the other end of the first screw 4, the thread turning directions of the first screw 4 and the second screw 5 are opposite, the top end of each first dovetail block 6 is fixedly connected with a moving plate 7, the top end of the base 1 is fixedly connected with two L-shaped rods 8, each L-shaped rod 8 penetrates through the two moving plates 7 and is in sliding connection with the moving plates 7, the top end of each moving plate 7 is provided with a clamping block 11, one side of each clamping block 11 is fixedly connected with two second fixed blocks 12, the top end of each second fixed block 12 is in threaded connection with a third screw 13, one side of each moving plate 7 is fixedly connected with two first fixed blocks 9, a second deep groove ball bearing 10 is fixedly embedded in each first fixed block 9, and the other end of each third screw 13 extends into the corresponding first fixed block 9 and is fixedly connected with the inner ring wall of the second deep groove ball bearing 10, the top end of the base 1 is fixedly connected with four supporting rods 14, the top end of the base 1 is provided with a top plate 15, the bottom end of the top plate 15 is fixedly connected with the top ends of the four supporting rods 14, the bottom end of the top plate 15 is provided with three second dovetail grooves 16, each dovetail groove 16 is internally and slidably connected with a second dovetail block 17, the bottom end of the top plate 15 is provided with a moving rod 23, the top end of the moving rod 23 is fixedly connected with the bottom ends of the three second dovetail blocks 17, the top end of the top plate 15 is provided with a second sliding groove 18, the second sliding groove 18 is communicated with one of the second dovetail grooves 16, the second sliding groove 18 is slidably connected with a second sliding block 19, the top end of the second sliding block 19 is fixedly connected with a moving block 20, the bottom end of the second sliding block 19 is fixedly connected with one of the second dovetail blocks 17, and the top end of the top plate 15 is fixedly connected with a first motor 22 and a limiting block 37, a fourth deep groove ball bearing 38 is fixedly embedded in the limiting block 37, a fourth screw 21 is fixedly connected to the output end of the first motor 22, the other end of the fourth screw 21 penetrates through the moving block 20 and is in threaded connection with the moving block 20, one end of the fourth screw 21 penetrating through the moving block 20 extends into the limiting block 37 and is fixedly connected with the inner annular wall of the fourth deep groove ball bearing 38, a moving rod 23 is arranged at the bottom end of the top plate 15, the top end of the moving rod 23 is fixedly connected with the bottom ends of the three second dovetail blocks 17, a third dovetail groove 39 is formed in the bottom end of the moving rod 23, a third dovetail block 24 is slidably connected with the third dovetail block 39, a connecting block 25 is fixedly connected with the bottom end of the third dovetail block 24, a third fixing block 27 is fixedly connected with one side of the bottom end of the moving rod 23, a third deep groove ball bearing 28 is fixedly embedded in the third fixing block 27, a second motor 29 is fixedly connected with one side of the bottom end of the moving rod 23, the output end of the second motor 29 is fixedly connected with a fifth screw 26, the other end of the fifth screw 26 penetrates through the connecting block 25 and is in threaded connection with the connecting block 25, one end of the fifth screw 26 penetrating through the connecting block 25 extends into the third fixing block 27 and is fixedly connected with the inner annular wall of the third deep groove ball bearing 28, the bottom end of the connecting block 25 is fixedly connected with a hydraulic cylinder 30, the bottom end of the hydraulic cylinder 30 is fixedly connected with a cutting machine limiting block 31, the top end of the cutting machine limiting block 31 is provided with a circular groove 32, a circular disc 33 is arranged in the circular groove 32, a rotating block 34 is inserted into the top end of the cutting machine limiting block 31 and is in rotating connection with the cutting machine limiting block 31, the top end of the rotating block 34 is fixedly connected with the bottom end of the circular disc 33, the bottom end of the rotating block 34 is fixedly connected with a cutting machine 36, one side of the cutting machine limiting block 31 is in threaded connection with a locking bolt 35, the locking bolt 35 extends into the cutting machine limiting block 31 and is attached to the side wall of the rotating block 34, equal a plurality of horizontal poles 40 of fixedly connected with on the relative lateral wall of two movable plates 7, a plurality of horizontal poles 40 that are located one of them movable plate 7 set up with a plurality of horizontal poles 40 that are located another movable plate 7 crisscross, and a plurality of logical grooves 41 have all been seted up on 7 tops of two movable plates, are located a plurality of logical grooves 41 of one of them movable plate 7 and set up with a plurality of logical grooves 41 that are located another movable plate 7 are crisscross, pneumatic cylinder 30 one side fixedly connected with adjusts pole fixed block 44, it has adjusted pole 42 to insert in regulation pole fixed block 44 one side, it is L shape to adjust pole 42, it has regulation pole fixing bolt 43 to adjust pole fixed block 44 one side spiro union, adjust pole fixing bolt 43 one end and stretch into and adjust pole fixed block 44 and with adjust pole 42 lateral wall laminating.

The top end of the base 1 is fixedly connected with the bottom ends of the four support rods 14 through welding.

The first fixing block 9 is made of hard alloy materials.

The working principle is as follows: when the device is used, firstly, the first motor 22 and the second motor 29 are electrified to be in a standby state, then the third screw 13 is rotated to adjust the distance between the moving plate 7 and the clamping block 11 to be slightly larger than the thickness of the steel to be cut, then the second screw 5 is rotated, as the first screw 4 and the second screw 5 are fixedly connected and the thread turning directions are opposite, when the second screw 5 is rotated, the two first dovetail blocks 6 are close to each other, and further the two moving plates 7 are driven to be close to each other, as the cross bars 40 and the through grooves 41 on the two moving plates 7 are arranged in a staggered manner, the two moving plates 7 can be completely attached to place the steel with different sizes, when the steel is close to a proper position, the steel is placed between the top end of the moving plate 7 and the bottom end of the clamping block 11, at this time, the adjusting rod fixing bolt 43 is unscrewed, the adjusting rod 42 can rotate, the adjusting rod 42 is rotated to the vertical direction, then the adjusting rod fixing bolt 43 is locked, at this time, the first motor 22 can be started to adjust the front and rear positions of the adjusting rod 42 according to the position required to be adjusted by the steel plate, the second motor 29 is started to adjust the left and right positions of the adjusting rod 42 after the adjustment is completed, when the adjusting rod 42 reaches the position required to be adjusted by the steel plate, the second motor 29 and the first motor 22 are respectively started, so that the adjusting rod 42 pushes the steel plate to complete the position adjustment, at this time, the four third screw rods 13 are respectively rotated to enable the clamping blocks 11 to clamp the steel material, the adjusting rod fixing bolt 43 is unscrewed, the adjusting rod 42 can be separated from the adjusting rod fixing block 44, the adjusting rod 42 is removed, then the direction and the position of the cutting machine are adjusted according to the position required to be cut by the steel material, when the front and rear direction cutting is required, the rotating block 34 can be rotated by unscrewing the locking bolt 35, the rotating block 34 can drive the cutting machine 36 to rotate when rotating, so that the direction of the cutting machine 36 can be adjusted, the rotating block 34 is locked after adjustment is completed, the cutting machine 36 is started firstly to enable the cutting blade on the cutting machine 36 to rotate, then the hydraulic cylinder 30 is started to enable the cutting blade on the cutting machine 36 to be attached to the position, required to be cut, of the steel, the hydraulic cylinder 30 continues to extend, the first motor 22 is started after the cutting position of the steel is separated, the first motor 22 drives the fourth screw rod 21 to rotate, the fourth screw rod 21 is in threaded connection with the moving block 20, the moving block 20 moves backwards, the moving rod 23 is further driven to move backwards, the cutting machine 36 moves backwards, the steel is completely cut by the cutting blade, the cutting machine 36 is adjusted to the left and right directions when left and right cutting is required, the hydraulic cylinder 30 is started after the cutting machine 36 is started, at this time, the second motor 29 is started after the cutting position of the steel is separated, so that the cutting machine 36 moves left and right to cut the steel in the left and right directions, and after the cutting is finished, unscrewing the third screw 13 to separate the moving plate 7 from the clamping block 11, and taking down the cut steel.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a construction is with multi-functional steel cutting machine, includes base (1), its characterized in that: the improved deep groove ball bearing is characterized in that a first dovetail groove (2) is formed in the top end of the base (1), two first dovetail blocks (6) are connected in the first dovetail groove (2) in a sliding mode, a first deep groove ball bearing (3) is fixedly embedded in the base (1), a first screw (4) is arranged in the first dovetail groove (2), the first screw (4) penetrates through one of the first dovetail blocks (6) and is in threaded connection with the first dovetail block (6), one end, penetrating through one of the first dovetail blocks (6), of the first screw (4) extends into the base (1) and is fixedly connected with the inner ring wall of the first deep groove ball bearing (3), a second screw (5) is inserted into one side of the base (1), one end of the second screw (5) extends into the first dovetail groove (2), one end, extending into the first dovetail block (2), of the second screw (5) penetrates through the other first dovetail block (6) and is in threaded connection with the first dovetail block (6), one end of the second screw rod (5) penetrating through another first dovetail block (6) is fixedly connected with the other end of the first screw rod (4), the thread turning directions of the first screw rod (4) and the second screw rod (5) are opposite, the top end of each first dovetail block (6) is fixedly connected with a moving plate (7), the top end of the base (1) is fixedly connected with two L-shaped rods (8), each L-shaped rod (8) penetrates through the two moving plates (7) and is in sliding connection with the moving plates (7), the top end of each moving plate (7) is provided with a clamping block (11), one side of each clamping block (11) is fixedly connected with two second fixed blocks (12), the top end of each second fixed block (12) is in threaded connection with a third screw rod (13), one side of each moving plate (7) is fixedly connected with two first fixed blocks (9), and a second deep groove ball bearing (10) is fixedly embedded in each first fixed block (9), the other end of each third screw rod (13) extends into the corresponding first fixed block (9) and is fixedly connected with the inner annular wall of the second deep groove ball bearing (10), the top end of the base (1) is fixedly connected with four supporting rods (14), the top end of the base (1) is provided with a top plate (15), the bottom end of the top plate (15) is fixedly connected with the top ends of the four supporting rods (14), three second dovetail grooves (16) are formed in the bottom end of the top plate (15), a second dovetail block (17) is connected in each dovetail groove (16) in a sliding mode, a moving rod (23) is arranged at the bottom end of the top plate (15), the top end of the moving rod (23) is fixedly connected with the bottom ends of the three second dovetail blocks (17), a second sliding groove (18) is formed in the top end of the top plate (15), the second sliding groove (18) is communicated with one of the second dovetail grooves (16), and a second sliding block (19) is connected in the second sliding groove (18) in a sliding mode, the top end of the second sliding block (19) is fixedly connected with a moving block (20), the bottom end of the second sliding block (19) is fixedly connected with one second dovetail block (17), the top end of the top plate (15) is fixedly connected with a first motor (22) and a limiting block (37), a fourth deep groove ball bearing (38) is fixedly embedded in the limiting block (37), the output end of the first motor (22) is fixedly connected with a fourth screw (21), the other end of the fourth screw (21) penetrates through the moving block (20) and is in threaded connection with the moving block (20), one end of the fourth screw (21) penetrates through the moving block (20) and extends into the limiting block (37) and is fixedly connected with the inner annular wall of the fourth deep groove ball bearing (38), the bottom end of the top plate (15) is provided with a moving rod (23), and the top ends of the moving rod (23) are fixedly connected with the bottom ends of the three second dovetail blocks (17), a third dovetail groove (39) is formed in the bottom end of the moving rod (23), a third dovetail block (24) is connected to the third dovetail groove (39) in a sliding mode, a connecting block (25) is fixedly connected to the bottom end of the third dovetail block (24), a third fixing block (27) is fixedly connected to one side of the bottom end of the moving rod (23), a third deep groove ball bearing (28) is embedded into the third fixing block (27), a second motor (29) is fixedly connected to one side of the bottom end of the moving rod (23), a fifth screw (26) is fixedly connected to the output end of the second motor (29), the other end of the fifth screw (26) penetrates through the connecting block (25) and is in threaded connection with the connecting block (25), one end of the fifth screw (26) penetrating through the connecting block (25) extends into the third fixing block (27) and is fixedly connected with the inner annular wall of the third deep groove ball bearing (28), and a hydraulic cylinder (30) is fixedly connected to the bottom end of the connecting block (25), the cutting machine limiting block (31) is fixedly connected to the bottom end of the hydraulic cylinder (30), a circular groove (32) is formed in the top end of the cutting machine limiting block (31), a disc (33) is arranged in the circular groove (32), a rotating block (34) is inserted into the top end of the cutting machine limiting block (31) and is rotatably connected with the cutting machine limiting block (31), the top end of the rotating block (34) is fixedly connected with the bottom end of the disc (33), a cutting machine (36) is fixedly connected with the bottom end of the rotating block (34), a locking bolt (35) is screwed on one side of the cutting machine limiting block (31), one end of the locking bolt (35) extends into the cutting machine limiting block (31) and is attached to the side wall of the rotating block (34), a plurality of movable plates (40) are fixedly connected to opposite side walls of the two movable plates (7), and a plurality of transverse rods (40) located on one of the movable plates (7) and a plurality of transverse rods (40) located on the other movable plate (7) are arranged in a staggered mode, a plurality of logical grooves (41) have all been seted up on two movable plates (7) top, are located a plurality of logical groove (41) of one of them movable plate (7) and are located a plurality of logical groove (41) crisscross settings of another movable plate (7), pneumatic cylinder (30) one side fixedly connected with adjusts pole fixed block (44), it has adjusted pole (42) to insert in regulation pole fixed block (44) one side, it is L shape to adjust pole (42), it has regulation pole fixing bolt (43) to adjust pole fixed block (44) one side spiro union, adjust pole fixing bolt (43) one end and stretch into and adjust pole fixed block (44) and with adjust pole (42) lateral wall laminating.

2. The multifunctional steel cutting machine for building construction according to claim 1, characterized in that: the top end of the base (1) is fixedly connected with the bottom ends of the four support rods (14) through welding.

3. The multifunctional steel cutting machine for building construction according to claim 1, characterized in that: the first fixing block (9) is made of hard alloy materials.