CN113649635A

CN113649635A - Thick steel plate cutting device for building

Info

Publication number: CN113649635A
Application number: CN202110971517.5A
Authority: CN
Inventors: 陆国明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2021-11-16

Abstract

The invention relates to the technical field of building engineering and discloses a thick steel plate cutting device for buildings, which comprises a box body, wherein the inner wall of the box body is respectively and fixedly connected with a supporting plate and a mounting plate, the inner wall of the box body is respectively and rotatably connected with an upper screw rod and a lower screw rod, the surfaces of the upper screw rod and the lower screw rod are respectively provided with a cleaning mechanism, the surface of the cleaning mechanism is provided with a shell, the right side of the shell is fixedly connected with a cutter, and the inner wall of the box body is provided with a discharging mechanism. The work efficiency can be increased.

Description

Thick steel plate cutting device for building

Technical Field

The invention relates to the technical field of constructional engineering, in particular to a thick steel plate cutting device for buildings.

Background

The building engineering refers to an engineering entity formed by the construction of various building buildings and their auxiliary facilities and the installation of lines, pipes and equipment matched with them, wherein the building buildings refer to the engineering which has top covers, beams, columns, walls, foundations and can form internal spaces and meet the requirements of people for production, living, study and public activities.

Need cut thick steel sheet among the present building construction process, because steel sheet thickness is thick can't once all cut into with the cutting board, prevent the cutting piece rupture, consequently need two sides cutting many times, still need carry out the turn-over during this period, unusual trouble, work efficiency is comparatively low, so provides a thick steel sheet cutting device for building and solves the problem that the aforesaid provided.

Disclosure of Invention

The invention aims to solve the technical problem of providing a thick steel plate cutting device for buildings aiming at the defects in the prior art.

In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a thick steel plate cutting device for building, includes the box, the inner wall difference fixedly connected with backup pad and the mounting panel of box, the inner wall of box rotates respectively and is connected with hob and lower hob, the surface of going up hob and lower hob all is provided with clearance mechanism, the surface of clearance mechanism is provided with the shell, the right side fixedly connected with cutterbar of shell, the inner wall of box is provided with discharge mechanism, it has belt pulley and lower belt pulley to go up the front end of hob and lower hob and all weld, and the surface of belt pulley passes through the belt and is connected with the surface drive of lower belt pulley, the fixed surface of mounting panel is connected with the expansion plate, the bottom fixedly connected with piece of polishing of expansion plate, the spacing groove has been seted up on the right side of mounting panel, the inner wall welding of spacing groove has the swash plate.

Preferably, there is the motor at the rear portion of box through bolted connection, the flexible post of left side fixedly connected with of shell, the left end of flexible post is rotated and is connected with the gyro wheel, the surface of gyro wheel and the inner wall in spacing groove contact each other, the inside of flexible post and expansion plate all is provided with the spring, the output of motor and the rear end welded fastening of last hob.

Preferably, clearance mechanism is including the slider, the inner wall sliding connection of slider has the slide, the spout has been seted up to the inner wall of shell, spring fixedly connected with clamp plate is passed through at the rear portion of slide, the inner wall fixedly connected with gasbag of slider, the venthole has been seted up to the bottom of slider, fixedly connected with shell fragment between slider and the shell, the fixed surface of shell fragment is connected with the telescopic link, the inner wall welding of shell has the limiting plate, the rear end welding of telescopic link has the clearance piece, the inner wall of limiting plate rotates through the connecting rod and is connected with the transfer line, the front end welding of transfer line has the balancing weight.

Preferably, the inner wall swing joint of fixture block and last hob is passed through to the inner wall of slider, the inner wall sliding connection of connecting rod and shell is passed through on the surface of slider, the surface of clamp plate and the inner wall sliding connection of slider, the inner wall swing joint of connecting rod and spout is passed through to the both sides of slide, the inside of telescopic link is provided with the spring, the surface of telescopic link and the inner wall sliding connection of limiting plate, the surface of balancing weight and the surface of shell fragment contact each other, the surface of transfer line and the surface of clearance piece contact each other.

Preferably, discharge mechanism is including the play material piece, the inner wall of play material piece is connected with the transmission shaft through the torsional spring rotation, the surface difference fixedly connected with baffle and the push pedal of transmission shaft, the inner wall fixedly connected with ship type switch of play material piece, the inner wall of play material piece passes through spring fixedly connected with sloping block.

Preferably, the inner wall of play material piece passes through the connecting rod and is connected with the inner wall rotation of box, the right side fixed connection of spring and mounting panel is passed through in the left side of play material piece, the both sides of baffle and push pedal all with the inner wall of ejection of compact piece in contact with each other, the surface of baffle and the surface in ship type switch in contact with each other, the surface in push pedal and the surface in sloping block in contact with each other.

By adopting the technical scheme, the invention can bring the following beneficial effects:

1. this thick steel plate cutting device for building can cut the steel sheet simultaneously from top to bottom through two cutting machines that the device set up from top to bottom, and two cutters are not located same vertical line, consequently can avoid bumping between two cutting machines, cuts in succession through the tandem of two cutting machines, can once only cut off the steel sheet to need not the manual steel sheet turn-over of workman and cut once more, can increase work efficiency.

2. This thick steel plate cutting device for building, can make the cutterbar move along the orbit of spacing groove through the spacing groove, after the cutting is accomplished, the shell can drive the cutterbar and move backward again after moving up along the spacing groove, at this moment, the cutting piece in the cutterbar will contact with the piece of polishing, and then the surface that can cut the cutting piece in the cutterbar at the in-process that resets the return stroke is polished, prevent its surface from dulling and then influencing the secondary cutting of follow-up steel sheet, also prevent to lead to the piece to melt the surface of adhesion at the cutting piece because of the heat is great during the cutting, and then influence subsequent cutting.

3. This thick steel plate cutting device for building, after moving on driving the shell through the spacing groove, the shell fragment can be stretched by slider and shell, and then drive two telescopic links and remove in opposite directions, thereby make the cutting piece contact on two clearance pieces and the cutterbar, and then can make and clear up the steel sheet piece that can be on the cutting piece and strike off before polishing, prevent that the piece from between cutting piece and the piece of polishing, and then influencing the effect of polishing of cutting piece, cause polishing of cutting piece invalid, and then influence subsequent cutting once more.

4. This thick steel plate cutting device for building, it makes the cutterbar cut the steel sheet once more after reseing to drive the shell through the spacing groove, the shell can be pressed and move the shell fragment and carry out deformation, the deformation of shell fragment can outwards promote two telescopic links, make clearance piece no longer with the cutting piece contact, piece is too much when preventing to cut, and lead to the frictional force grow between clearance piece and the cutting piece, can lead to the cutting piece to drive the clearance piece and remove, cause the clearance piece to damage, the shell fragment can promote the balancing weight and make it drive the transfer line rotatory simultaneously, the clearance piece can be strikeed in the rotation of transfer line, make the piece shake under its surface cleaning fall, prevent that the piece from piling up on the clearance piece.

5. This thick steel plate cutting device for building, the shell can shift up and then drive the slide through the spout and move back under the effect of spacing groove during the return stroke after the cutting, the sudden rebound of slide can make its and the clamp plate between the spring compression, at this moment, the in-process at the shell return stroke, the spring can slowly promote the clamp plate, and the clamp plate can extrude the gasbag, gas in the gasbag can slowly blow off through the venthole, and then blow off the piece on steel sheet surface, when the shell shifts back cutting once more down simultaneously, the removal through the shell makes the spout drive the clamp plate and resets, at this moment, the gasbag is no longer promoted by the clamp plate, can breathe in under the effect of its inside negative pressure, make things convenient for next use.

6. The thick steel plate cutting device for the building has the advantages that the steel plate after cutting is finished can fall on a discharging block, the discharging block is driven to rotate to enable the discharging block to collide with a mounting plate, the mounting plate is driven to vibrate, vibration of the mounting plate can help a polishing block and the scraps on the surface of the residual steel plate to fall, meanwhile, the cut steel plate can push a baffle to rotate, the baffle drives a push plate to rotate through a transmission shaft, the push plate can be exposed on the left side of the discharging block, the push plate can detect the abrasion condition of a cutting blade, meanwhile, a ship-shaped switch can be pressed by rotation of the baffle, a motor and a cutter are closed, when the cutting blade is not abraded to be cut, the cutting blade can be contacted with the push plate, the push plate is pushed, the baffle is reset, the ship-shaped switch can be opened again, the motor and the cutter can continue to operate, otherwise, the device cannot continue to operate, and then prompt workers to replace the cutting blade in time.

Drawings

FIG. 1 is a schematic structural diagram of a thick steel plate cutting device for building according to the present invention;

FIG. 2 is a schematic structural view of a part of a thick steel plate cutting device for buildings according to the present invention;

FIG. 3 is an enlarged view of a part of the structure of a thick steel plate cutting device for buildings according to the present invention;

FIG. 4 is a schematic view of a cleaning mechanism of a thick steel plate cutting device for building according to the present invention;

FIG. 5 is a schematic view of a discharging mechanism of a thick steel plate cutting device for building according to the present invention;

FIG. 6 is a sectional view of a discharging mechanism of a thick steel plate cutting device for buildings, which is provided by the invention;

fig. 7 is a schematic diagram of a transmission rod of a thick steel plate cutting device for buildings according to the present invention.

In the figure: 1. a box body; 2. a support plate; 3. mounting a plate; 4. an upper screw rod; 5. a lower screw rod; 6. a housing; 7. a cleaning mechanism; 71. a slider; 72. a slide plate; 73. pressing a plate; 74. a chute; 75. an air bag; 76. an air outlet; 77. a spring plate; 78. a limiting plate; 79. a telescopic rod; 711. cleaning the block; 712. a balancing weight; 713. a transmission rod; 8. a discharging mechanism; 81. discharging a material block; 82. a drive shaft; 83. a baffle plate; 84. a boat-shaped switch; 85. pushing the plate; 86. a sloping block; 9. a cutter; 10. an upper belt pulley; 11. a lower belt pulley; 12. a retractable plate; 13. grinding blocks; 14. a limiting groove; 15. a sloping plate; 16. a motor; 17. a telescopic column; 18. and a roller.

Detailed Description

The technical solutions 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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

A thick steel plate cutting device for buildings is disclosed, as shown in figures 1-7, comprising a box body 1, wherein the inner wall of the box body 1 is fixedly connected with a supporting plate 2 and a mounting plate 3 respectively, the inner wall of the box body 1 is rotatably connected with an upper screw rod 4 and a lower screw rod 5 respectively, the surfaces of the upper screw rod 4 and the lower screw rod 5 are provided with a cleaning mechanism 7, the surface of the cleaning mechanism 7 is provided with a shell 6, the right side of the shell 6 is fixedly connected with a cutter 9, the inner wall of the box body 1 is provided with a discharging mechanism 8, the front ends of the upper screw rod 4 and the lower screw rod 5 are welded with an upper belt pulley 10 and a lower belt pulley 11, the surface of the upper belt pulley 10 is in transmission connection with the surface of the lower belt pulley 11 through a belt, the surface of the mounting plate 3 is fixedly connected with a telescopic plate 12, the bottom of the telescopic plate 12 is fixedly connected with a grinding block 13, the right side of the mounting plate 3 is provided with a limiting groove 14, the inner wall of the limiting groove 14 is welded with an inclined plate 15, the polishing disc on the cutter 9 can be polished through the polishing block 13, the surface of the polishing disc is prevented from being dulled, and then secondary cutting of a follow-up steel plate is prevented from being affected, and the situation that chips are melted and adhered to the surface of a cutting piece due to large heat during cutting and then subsequent cutting are affected is also prevented.

In this embodiment, there is a motor 16 at the rear of the box 1 through a bolt, a telescopic column 17 is fixedly connected to the left side of the housing 6, a roller 18 is rotatably connected to the left end of the telescopic column 17, the surface of the roller 18 contacts with the inner wall of the limit groove 14, springs are arranged inside the telescopic column 17 and the telescopic plate 12, the output end of the motor 16 is welded and fixed to the rear end of the upper screw rod 4, the springs in the telescopic column 17 can help to push the roller 18, so that the roller 18 tightly fits the surface of the limit groove 14 or the inclined plate 15, and meanwhile, when the roller 18 moves, the inclined surface of the inclined plate 15 moves onto the inclined plate 15, and cannot move obliquely upward to the top, and after moving to the front, the roller 18 moves and moves obliquely upward to the top through the inclined plate 15 when returning, so that the roller 18 can move along the shape of the limit groove 14.

Further, clearance mechanism 7 is including slider 71, slider 71's inner wall sliding connection has slide 72, spout 74 has been seted up to the inner wall of shell 6, spring fixedly connected with clamp plate 73 is passed through at the rear portion of slide 72, slider 71's inner wall fixedly connected with gasbag 75, venthole 76 has been seted up to slider 71's bottom, fixedly connected with shell fragment 77 between slider 71 and the shell 6, shell fragment 77's fixed surface is connected with telescopic link 79, the inner wall welding of shell 6 has limiting plate 78, the rear end welding of telescopic link 79 has clearance piece 711, the inner wall of limiting plate 78 is connected with transfer line 713 through the connecting rod rotation, the front end welding of transfer line 713 has balancing weight 712, the inner wall welding of shell 6 has the connecting rod, the connecting rod plays the effect of support to transfer line 713, prevent that balancing weight 712 from driving transfer line 713 excessively moves down after spring fragment 77 stretches, and then can't promote balancing weight 712 to move up after shell fragment 77 resets.

Furthermore, the inner wall of the sliding block 71 is movably connected with the inner wall of the upper spiral rod 4 through a clamping block, the surface of the sliding block 71 is slidably connected with the inner wall of the shell 6 through a connecting rod, the surface of the pressing plate 73 is slidably connected with the inner wall of the sliding block 71, two sides of the sliding plate 72 are movably connected with the inner wall of the sliding groove 74 through connecting rods, a spring is arranged inside the telescopic rod 79, the surface of the telescopic rod 79 is slidably connected with the inner wall of the limiting plate 78, the surface of the balancing weight 712 is in contact with the surface of the elastic sheet 77, the surface of the transmission rod 713 is in contact with the surface of the cleaning block 711, the right end of the transmission rod 713 is movably connected with a triangular plate, when the transmission rod 713 drives the triangular plate to be in contact with the cleaning block 711, the triangular plate can firstly knock the cleaning block 711 from top to bottom, the transmission rod 713 can be driven to rotate after continuing to rotate, and then the other surface of the triangular plate has the knocking cleaning block 711 from front to back, thereby increasing the cleaning effect of the cleaning block 711.

In addition, discharge mechanism 8 is including ejection of compact piece 81, the inner wall of ejection of compact piece 81 is connected with transmission shaft 82 through the torsional spring rotation, the surface difference fixedly connected with baffle 83 and the push pedal 85 of transmission shaft 82, the inner wall fixedly connected with ship type switch 84 of ejection of compact piece 81, the inner wall of ejection of compact piece 81 passes through spring fixedly connected with sloping block 86, sloping block 86 can withstand push pedal 85 under the effect of spring and make it spacing, and then can make sloping block 86 spacing to it after transmission shaft 82 is rotatory, and push pedal 85 can be driven and reset after the contact cutting piece.

Besides, the inner wall of the discharging block 81 is rotatably connected with the inner wall of the box body 1 through a connecting rod, the left side of the discharging block 81 is fixedly connected with the right side of the mounting plate 3 through a spring, both sides of the baffle 83 and the push plate 85 are in mutual contact with the inner wall of the discharging block 81, the surface of the baffle 83 is in mutual contact with the surface of the boat-shaped switch 84, the steel plate which is cut by the surface of the push plate 85 and the surface of the inclined block 86 in mutual contact falls on the discharging block 81, the discharging block 81 is driven to rotate to be collided with the mounting plate 3, the mounting plate 3 is driven to vibrate, the vibration of the mounting plate 3 can help the polishing block 13 and the scraps on the surface of the residual steel plate to fall, meanwhile, the cut steel plate can push the baffle 83 to rotate, the baffle 83 drives the push plate 85 to rotate through the transmission shaft 82, at the moment, the push plate 85 is exposed on the left side of the discharging block 81, and the push plate 85 can detect the abrasion condition of the cutting piece, meanwhile, the ship-shaped switch 84 is pressed down by the rotation of the baffle 83, so that the motor 16 and the cutter 9 are turned off, when the cutting blade is not worn to be cut, the cutting blade is contacted with the push plate 85, the push plate 85 is pushed, the baffle 83 is reset, the ship-shaped switch 84 is turned on again, the motor 16 and the cutter 9 continue to operate, otherwise, the device cannot continue to operate, and a worker is prompted to replace the cutting blade in time.

The working principle is that the steel plate is pushed into the mounting plate 3 through the feeding device, the motor 16 and the cutters 9 are started at the moment, the motor 16 drives the upper screw rod 4 to rotate, the upper screw rod 4 drives the upper belt pulley 10 to rotate, the upper belt pulley 10 drives the lower belt pulley 11 to rotate, the lower belt pulley 11 drives the lower screw rod 5 to rotate, the upper screw rod 4 and the lower screw rod 5 drive the sliding block 71 to move, the sliding block 71 drives the shell 6 to move, the shell 6 drives the cutters 9 to move, the two cutters 9 can cut the steel plate up and down simultaneously at the moment, the steel plate can be cut off at one time, and therefore workers do not need to manually turn over the steel plate to cut again, and the working efficiency can be improved; when the shell 6 moves, the roller 18 is driven to move in the limiting groove 14 through the telescopic column 17, when the shell moves to the front part, the inclined plate 15 in the limiting groove 14 does not limit the telescopic column 17 any more, so the telescopic column 17 can push the roller 18, meanwhile, the sliding block 71 is driven by the upper screw rod 4 to move in the reverse direction, at this time, the roller 18 moves obliquely upwards along the shape of the limiting groove 14, at this time, the shell 6 moves upwards along with the roller 18, the shell 6 can drive the cutter 9 to move upwards together, at this time, the cutting piece in the cutter 9 is in contact with the grinding block 13, further, the surface of the cutting piece in the cutter 9 can be ground in the process of return stroke, the surface of the cutting piece is prevented from being dull, further cutting of a subsequent steel plate is prevented from being influenced, and further, the situation that chips are melted and adhered to the surface of the cutting piece due to large heat in the cutting process of further influencing subsequent cutting is also prevented; the sliding block 71 is arranged on the upper spiral rod 4, so that the shell 6 can stretch the elastic sheet 77 with the sliding block 71 after moving upwards, the elastic sheet 77 drives the two telescopic rods 79 to move oppositely, the two cleaning blocks 711 are in contact with the cutting blade on the cutter 9, and steel plate scraps on the cutting blade can be cleaned and scraped before polishing, so that the scraps are prevented from being between the cutting blade and the polishing block 13, the polishing effect of the cutting blade is influenced, the polishing of the cutting blade is ineffective, and subsequent re-cutting is influenced; the limiting groove 14 drives the shell 6 to reset, and then the cutter 9 cuts the steel plate again, namely the shell 6 moves downwards to reset, at this time, the shell 6 presses the elastic sheet 77 to deform, the deformation of the elastic sheet 77 can push the two telescopic rods 79 outwards, so that the cleaning block 711 is not contacted with the cutting sheet any more, excessive debris during cutting is prevented, the friction between the cleaning block 711 and the cutting sheet is increased, the cutting sheet can drive the cleaning block 711 to move, the cleaning block 711 is damaged, meanwhile, the elastic sheet 77 can push the balancing weight 712 to drive the transmission rod 713 to rotate, the rotation of the transmission rod 713 can knock the cleaning block 711, the debris cleaned on the surface of the cleaning block 711 is shaken off, and the debris is prevented from being accumulated on the cleaning block 711; after cutting, the shell 6 moves upwards under the action of the limiting groove 14 to drive the sliding plate 72 to move backwards through the sliding groove 74, the sliding plate 72 moves backwards suddenly to compress a spring between the sliding plate 72 and the pressing plate 73, at the moment, in the return process of the shell 6, the spring can slowly push the pressing plate 73, the pressing plate 73 can extrude the air bag 75, gas in the air bag 75 can be blown out through the air outlet 76 slowly to blow off scraps on the surface of the steel plate, and meanwhile, when the shell 6 is cut again after moving downwards, the sliding groove 74 drives the pressing plate 73 to reset through the movement of the shell 6, at the moment, the air bag 75 is not pushed by the pressing plate 73 any more, air suction can be performed under the action of internal negative pressure, and the next use is facilitated; the steel plate after cutting is dropped on the discharging block 81, the discharging block 81 is driven to rotate to enable the steel plate to collide with the mounting plate 3, the mounting plate 3 is driven to vibrate, the vibration of the mounting plate 3 can help the polishing block 13 and the scraps on the surface of the residual steel plate to drop, meanwhile, the cut steel plate can push the baffle 83 to rotate, the baffle 83 drives the push plate 85 to rotate through the transmission shaft 82, at the moment, the push plate 85 is exposed at the left side of the discharging block 81, the push plate 85 can detect the abrasion condition of the cutting blade, meanwhile, the boat-shaped switch 84 is pressed by the rotation of the baffle 83, the motor 16 and the cutter 9 are closed, when the cutting blade is not abraded to be incapable of cutting, the cutting blade is in contact with the push plate 85, the push plate 85 is further pushed, the baffle 83 is reset, at the moment, the boat-shaped switch 84 is opened again, the motor 16 and the cutter 9 are further operated, otherwise, the device cannot be operated continuously, and then prompt workers to replace the cutting blade in time.

The present invention provides a thick steel plate cutting device for building, and a method and a way for implementing the technical scheme are many, the above description is only a preferred embodiment of the present invention, it should be noted that, for a person skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.

Claims

1. The utility model provides a thick steel plate cutting device for building, includes box (1), its characterized in that: the inner wall of the box body (1) is fixedly connected with a supporting plate (2) and a mounting plate (3) respectively, the inner wall of the box body (1) is connected with an upper screw rod (4) and a lower screw rod (5) in a rotating mode respectively, the surfaces of the upper screw rod (4) and the lower screw rod (5) are provided with cleaning mechanisms (7), the surface of each cleaning mechanism (7) is provided with a shell (6), the right side of each shell (6) is fixedly connected with a cutter (9), the inner wall of the box body (1) is provided with a discharging mechanism (8), the front ends of the upper screw rod (4) and the lower screw rod (5) are welded with an upper belt pulley (10) and a lower belt pulley (11), the surface of the upper belt pulley (10) is connected with the surface of the lower belt pulley (11) through a belt in a transmission mode, the surface of the mounting plate (3) is fixedly connected with a telescopic plate (12), and the bottom of the telescopic plate (12) is fixedly connected with a polishing block (13), the right side of mounting panel (3) has seted up spacing groove (14), the inner wall welding of spacing groove (14) has swash plate (15).

2. The apparatus for cutting thick steel plates for construction according to claim 1, wherein: the rear portion of box (1) has motor (16) through bolted connection, the flexible post of left side fixedly connected with (17) of shell (6), the left end of flexible post (17) is rotated and is connected with gyro wheel (18), the surface of gyro wheel (18) and the inner wall of spacing groove (14) contact each other, the inside of flexible post (17) and expansion plate (12) all is provided with the spring, the output of motor (16) and the rear end welded fastening of last hob (4).

3. The apparatus for cutting thick steel plates for construction according to claim 1, wherein: the cleaning mechanism (7) comprises a slide block (71), the inner wall of the slide block (71) is connected with a slide plate (72) in a sliding way, the inner wall of the shell (6) is provided with a sliding chute (74), the rear part of the sliding plate (72) is fixedly connected with a pressing plate (73) through a spring, the inner wall of the slide block (71) is fixedly connected with an air bag (75), the bottom of the slide block (71) is provided with an air outlet (76), an elastic sheet (77) is fixedly connected between the sliding block (71) and the shell (6), the surface of the elastic sheet (77) is fixedly connected with a telescopic rod (79), the inner wall of the shell (6) is welded with a limit plate (78), the rear end welding of telescopic link (79) has clearance piece (711), the inner wall of limiting plate (78) is connected with transfer line (713) through the connecting rod rotation, the front end welding of transfer line (713) has balancing weight (712).

4. The thick steel plate cutting apparatus for construction as claimed in claim 3, wherein: the inner wall of slider (71) passes through the inner wall swing joint of fixture block and last hob (4), the inner wall sliding connection of connecting rod and shell (6) is passed through on the surface of slider (71), the surface of clamp plate (73) and the inner wall sliding connection of slider (71), the inner wall swing joint of connecting rod and spout (74) is passed through to the both sides of slide (72), the inside of telescopic link (79) is provided with the spring, the surface of telescopic link (79) and the inner wall sliding connection of limiting plate (78), the surface of balancing weight (712) and the surface of shell fragment (77) contact each other, the surface of transfer line (713) and the surface of clearance piece (711) contact each other.

5. The apparatus for cutting thick steel plates for construction according to claim 1, wherein: discharge mechanism (8) are including play material piece (81), the inner wall of play material piece (81) is connected with transmission shaft (82) through the torsional spring rotation, the surface difference fixedly connected with baffle (83) and push pedal (85) of transmission shaft (82), the inner wall fixedly connected with ship type switch (84) of play material piece (81), the inner wall of play material piece (81) passes through spring fixedly connected with sloping block (86).

6. The apparatus for cutting thick steel plates for construction according to claim 5, wherein: the inner wall of play material piece (81) passes through the connecting rod and is connected with the inner wall rotation of box (1), the right side fixed connection of spring and mounting panel (3) is passed through to the left side of play material piece (81), the both sides of baffle (83) and push pedal (85) all contact with the inner wall of play material piece (81) each other, the surface of baffle (83) and ship type switch (84) surface each other contact, the surface of push pedal (85) and the surface of sloping block (86) contact each other.