CN112620717B

CN112620717B - Steel structure perforating device for building house

Info

Publication number: CN112620717B
Application number: CN202011558573.8A
Authority: CN
Inventors: 姜琳; 逄晓; 张美莲; 刘清学
Original assignee: Qingdao Yilian Construction Group Co ltd
Current assignee: Qingdao Yilian Construction Group Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2022-09-16
Anticipated expiration: 2040-12-25
Also published as: CN112620717A

Abstract

The invention discloses a steel structure punching device for a building house, which comprises a drill bit assembly, a shifting assembly and a workbench assembly, wherein the drill bit assembly is arranged at the upper part of the shifting assembly, the bottom of the shifting assembly is arranged on the workbench assembly, and the connecting mode is fastening connection. When perforating device during operation, it can be according to the work piece model to move the subassembly, the position of punching is adjusted drill bit assembly, the workstation subassembly can be according to the different adjustment clamping device's of steel construction model angle and position, it can not take place to remove to ensure to punch in-process steel construction, the inside coolant liquid that is provided with of drill bit assembly, can evaporate the heat absorption when the drill bit high temperature, take away the heat of drill bit, and the drill bit can move up temporarily with the machined part contact voluntarily when the drill bit high temperature, just continue drilling after the temperature drop, the life of drill bit has been prolonged greatly in this design.

Description

Steel structure perforating device for building house

Technical Field

The invention relates to the technical field of steel structure material punching, in particular to a punching device for a steel structure for a building house.

Background

Steel house room has material intensity height, the house dead weight is little, the shock resistance is good and reuse's characteristics, at all kinds of industry factory buildings, a warehouse, the supermarket, high-rise building's construction is used more and more extensively, in order to improve the packaging efficiency of steel construction, can punch the processing to the steel construction in the mill usually, directly transport to the building site and assemble, this requirement to equipment has just improved greatly, drilling equipment among the prior art carries out optimal design to steel construction component usually, equipment and the unmatched condition of product size can appear often in the course of working, some are too single again to its processing field of machine of fixed model steel construction design, a type machine can only be to a steel construction, work efficiency has been reduced promptly and equipment cost has been improved again. In addition, in the high-strength working engineering, the traditional drilling equipment does not take protective measures on the drill bit, so that the service life of the drill bit is shortened, or the coolant is sprayed on the drill bit during drilling, so that resources are wasted, and the cleaning cost of the working table is increased.

Disclosure of Invention

The invention aims to provide a punching device for a steel structure for a building house, which aims to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a steel structure perforating device for building room, includes drill bit assembly, moves and carries subassembly, workstation subassembly, and drill bit assembly installs and moves and carry subassembly upper portion, moves and carries the subassembly bottom and install on the workstation subassembly, and the connected mode is fastening connection. When perforating device during operation, it can be according to the work piece model to move the subassembly to carry, the position of punching is adjusted drill bit assembly, the workstation subassembly can be according to the different adjustment clamping device's of steel construction model angle and position, it can not take place to remove to ensure to punch in-process steel construction, the inside coolant liquid that is provided with of drill bit assembly, can evaporate the heat absorption when the drill bit high temperature, take away the heat of drill bit, and the drill bit can move up temporarily with the machined part contact voluntarily when the drill bit high temperature, just continue drilling after the temperature drops, the life of drill bit has been prolonged greatly in this design.

Further, the drill bit assembly comprises a drill bit, an input motor, a synchronous belt, a first synchronous belt wheel, a second synchronous belt wheel, an inner cavity and an outer cavity, the drill bit assembly is installed on the lower portion of the inner cavity, the input motor is installed inside the inner cavity, the first synchronous belt wheel is installed on an output shaft of the input motor, the second synchronous belt wheel is installed on the drill bit, the synchronous belt is sleeved on the first synchronous belt wheel and the second synchronous belt wheel, and the outer cavity is fixed on the transfer assembly. The input motor drives the first synchronous belt pulley to rotate, the first synchronous belt pulley drives the second synchronous belt pulley to rotate through the conveying belt, the second synchronous belt pulley drives the drill bit to rotate, the inner cavity is installed in the chute in the outer cavity, the upper contact surface and the lower contact surface are made of sealing materials, air tightness is good, the chute is filled with air, and the depth of the inner cavity extending into the outer cavity can be changed by changing the rushing-in air.

Furthermore, a pipeline is arranged inside the drill bit, cooling liquid is filled in the pipeline, an air chamber is arranged inside the inner cavity, the pipeline inside the drill bit is connected with the air chamber inside the inner cavity, and a small hole is formed above the air chamber inside the inner cavity and is connected with the inner space of the outer cavity. After the drill bit works for a period of time, the drill bit can generate heat, mercury metal in a pipeline inside the drill bit is gasified to absorb heat, the size of the gasified mercury is increased to compress air in the air chamber, the air in the air chamber is pressed into the outer cavity through the small hole, the air is tightly contacted with the inner cavity in the outer cavity and isolated from the outside, the air is pressed into the inner cavity to force the space of the sliding groove to be increased, the inner cavity can move a small distance to the inner part of the outer cavity under the action of the atmospheric pressure, the drill bit can leave the surface of a workpiece at the moment, the mercury metal can be changed into liquid from gas state after the temperature of the drill bit is reduced and falls into the pipeline inside the drill bit again, the inner cavity can also fall down, and the drill bit continues to be contacted with the surface of the workpiece to continue drilling.

Further, the cooling liquid is mercury metal. The mercury metal is liquid at normal temperature, and mercury can evaporate into gaseous state when the temperature rises, can take away a large amount of heats, and the volume grow of mercury when the gasification also can simultaneously to change the drill bit position, mercury seals can used repeatedly in the drill bit inside, and need not to change.

Furthermore, move and carry subassembly including first module, second module, third module, connecting plate, strengthening rib, backup pad and stand, the stand is installed at workstation subassembly upper surface, and the backup pad is installed at the stand top, and first module is installed in the backup pad top, and another backup pad is installed in first module top, and the second module is installed in this backup pad top, connecting plate one side and second module moving platform link to each other, and the opposite side links to each other with the third module back, and the strengthening rib is fixed in the two sides of connecting plate, and its fixed mode is threaded connection. The four upright columns are fixedly connected with the working table, the two upright columns support one first module respectively, and the two first modules move synchronously, so that the second module can move forward and backward stably in the horizontal direction. The second module crosses over the two first modules, when the second module works, the third module can be driven to move left and right in the horizontal direction, correspondingly, the drill bit assembly is driven to move left and right, and the drill bit assembly can be self-adaptive according to the machined parts with different widths and hole distribution at different positions. The third module can drive drill bit assembly in vertical direction and reciprocate, and when the high change of machined part, the initial position of accessible control program regulation drill bit and the volume of confirming to feed, the installation of strengthening rib has improved the intensity of overall structure, has guaranteed that the module moves more steadily at the during operation, switches the in-process vibration range and reduces to forbid the attitude by the motion attitude. First module, second module, third module are respectively to around drill bit assembly, control, the upper and lower position regulate and control, have improved the self-adaptation ability of this perforating device to different model steel constructions, have also accomplished the accurate positioning to the position of punching simultaneously.

Further, the workbench component comprises a workbench surface, a clamping device, a guide shaft, a linear bearing, a bottom plate, a sliding block, a guide rail and a lifting cylinder, the workbench surface is connected with the bottom of the stand column, the upper portion of the clamping device extends out of the opening of the workbench surface, the sliding block is installed at the bottom of the clamping device and is installed on the guide rail, the bottom of the guide rail is tightly connected with the bottom plate, the linear bearing is installed in a circular hole in the workbench surface, the bottom of the guide shaft is tightly connected with the bottom plate, the upper portion of the guide shaft penetrates through the linear bearing, the bottom of the lifting cylinder is tightly connected with the bottom of the workbench surface, and the top of the lifting cylinder is movably connected with the bottom plate. The lower hanging bottom plate type design can enable the internal structure of the clamping device to be arranged below the working table, so that the simplicity of the working table is guaranteed, a larger moving space is provided for a workpiece, when the workpiece is conveyed to the working table, the clamping device needs to adjust the position to clamp the workpiece, the arrangement of the two parallel guide rails guarantees that the clamping device can move left and right in the horizontal direction, and the position of the clamping device cannot deviate in the moving process. The distance between the bottom plate and the working table surface can be adjusted up and down through the lifting cylinder, the clamping device is connected with the bottom plate through the guide rail sliding block, the distance between the bottom plate and the working table surface directly influences the extending height of the clamping device on the working table surface, and the clamping device can be clamped from different positions according to different specifications of machined parts through the design.

Furthermore, the clamping device comprises a clamping block, a rotary cylinder, a cylinder connecting plate, a servo motor, a bearing, a gear, a rack and a motor mounting plate, wherein the rotary surface of the rotary cylinder is connected with the side edge of the clamping block, the upper part of the cylinder connecting plate is connected with the bottom of the rotary cylinder, the bearing is mounted in a bearing mounting groove in the cylinder connecting plate, the servo motor is mounted above the motor mounting plate, an output shaft of the servo motor penetrates through the middle of the bearing, the gear is mounted at the tail end of the output shaft, the rack is mounted on the upper surface of the bottom plate, and the tooth surface of the rack is meshed with the teeth of the gear. When the workpiece is in a square tubular structure, the rotary cylinders of the left and right clamping mechanisms drive the clamping blocks to rotate to a vertical surface, the servo motors rotate, gears and racks arranged on the servo motors are meshed to drive the servo motors to move on the slide rails, the servo motors at the left end and the right end of the same clamping device are controlled by synchronous signals, the two servo motors drive the clamping blocks to move through the cylinder connecting plates when moving synchronously, the two clamping blocks are attached to the two side surfaces of the workpiece through the reduced space, and the servo motors stop rotating when pressure sensors at the side surfaces of the clamping blocks reach a specified value. When the workpiece is in a circular tubular structure, the rotary cylinder drives the clamping block to rotate to the inclined surface, the two inclined surfaces clamp the workpiece in a V shape, when the workpiece is in a plate-shaped structure, the servo motor drives the gear to rotate, the gear is meshed with the rack, the servo motor drives the clamping block to move to two sides of the workpiece, the piston rod of the lifting cylinder extends out to drive the bottom plate to move downwards, and the clamping plate presses the workpiece to achieve positioning.

Furthermore, one side of the clamping block is a plane, and the other side of the clamping block is an inclined plane. Different surface characteristics of the clamping block are designed for different workpieces, a steel structure for building a house is mainly divided into a square strip shape, a round tube shape and a plate shape, the plate shape and the square strip shape are clamped by a plane, so that the maximum contact area can be ensured, the friction force is improved, and the clamping stability is ensured. However, the contact mode of the workpiece in the shape of a plane clamping circular tube is linear contact, the friction force is small, and the stability cannot be ensured by the clamping force provided by the clamping device, so that the workpiece is clamped by two inclined planes in a V shape, and the gravity of the circular tube and the pressure applied by the drill during working are converted into the friction force to clamp the workpiece.

Compared with the prior art, the invention has the following beneficial effects: the clamping device is adjustable in multiple angles, can be compatible with workpieces of different specifications such as square bars, round tubes and plate shapes, achieves multiple purposes, and greatly reduces cost compared with the process of manufacturing multiple special devices. The cooling liquid arranged in the drill bit assembly can transfer the heat of the drill bit in time during drilling, so that the damage rate of the drill bit is greatly reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a left side view of the present invention;

FIG. 4 is a top view of the present invention;

FIG. 5 is an elevational cross-sectional view of the drill bit assembly of the present invention;

FIG. 6 is a left side cross-sectional view of the drill bit assembly of the present invention;

FIG. 7 is an elevation view of the clamping assembly of the present invention;

FIG. 8 is a left side view of the clamping assembly of the present invention;

in the figure: 1-drill bit component, 11-drill bit, 111-pipeline, 12-input motor, 13-synchronous belt, 14-first synchronous pulley, 15-second synchronous pulley, 16-inner cavity, 161-air chamber, 17-outer cavity, 2-transfer component, 21-first module, 22-second module, 23-third module, 24-connecting plate, 25-reinforcing rib, 26-supporting plate, 27-upright post, 3-workbench component, 31-workbench surface, 32-clamping device, 321-clamping block, 322-rotary cylinder, 323-cylinder connecting plate, 324-servo motor, 325-bearing, 326-gear, 327-rack, 328-motor mounting plate, 33-guide shaft, 34-linear bearing, 35-bottom plate, 36-slide block, 37-guide rail and 38-lifting cylinder.

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.

Referring to fig. 1-8, the present invention provides the following technical solutions:

as shown in figure 1, the steel structure punching device for the building house comprises a drill bit assembly 1, a transfer assembly 2 and a workbench assembly 3, wherein the drill bit assembly 1 is installed at the upper part of the transfer assembly 2, the bottom of the transfer assembly 2 is installed on the workbench assembly 3, and the connection mode is fastening connection. When perforating device during operation, it can be according to the work piece model to move to carry subassembly 2, the position of punching adjusts drill bit assembly 1, workstation subassembly 3 can be according to the angle and the position of the different adjustment clamping device 32 of steel construction model, it can not take place to remove to ensure to punch in-process steel construction, drill bit assembly 1 is inside to be provided with the coolant liquid, can evaporate the heat absorption when drill bit 11 high temperature, take away the heat of drill bit 11, and drill bit 11 can shift up temporarily with the machined part contact voluntarily when drill bit 11 high temperature, just continue drilling after the temperature drops, the life of drill bit 11 has been prolonged greatly in this design.

As shown in fig. 5 and 6, the drill bit assembly 1 includes a drill bit 11, an input motor 12, a synchronous belt 13, a first synchronous pulley 14, a second synchronous pulley 15, an inner cavity 16 and an outer cavity 17, the drill bit assembly 1 is installed at the lower part of the inner cavity 16, the input motor 12 is installed inside the inner cavity 16, the first synchronous pulley 14 is installed on an output shaft of the input motor 12, the second synchronous pulley 15 is installed on the drill bit 11, the synchronous belt 13 is sleeved on the first synchronous pulley 14 and the second synchronous pulley 15, and the outer cavity 17 is fixed on the transfer assembly 2. The input motor 12 drives the first synchronous belt pulley 14 to rotate, the first synchronous belt pulley 14 drives the second synchronous belt pulley 15 to rotate through the conveyor belt, the second synchronous belt pulley 15 drives the drill bit 11 to rotate, the inner cavity 16 is installed in a sliding groove in the outer cavity 17, the upper contact surface and the lower contact surface are made of sealing materials, air tightness is good, the sliding groove is filled with air, and the depth of the inner cavity 16 extending into the outer cavity 17 can be changed by changing the air rushing into the sliding groove.

As shown in fig. 5 and 6, a pipeline 111 is arranged inside the drill 11, the pipeline 111 is filled with cooling liquid, an air chamber 161 is arranged inside the inner cavity 16, the pipeline 111 inside the drill 11 is connected with the air chamber 161 inside the inner cavity 16, and a small hole is arranged above the air chamber 161 inside the inner cavity 16 and is connected with the inner space of the outer cavity 17. After the drill bit 11 works for a period of time, the drill bit 11 generates heat, mercury metal in the pipeline 111 inside the drill bit 11 is gasified to absorb heat, the volume of the gasified mercury is increased to compress air in the air chamber 161, the air in the air chamber 161 is pressed into the outer cavity 17 through the small holes, because the sliding groove inside the outer cavity 17 is tightly contacted with the inner cavity 16 and isolated from the outside, the air pressing forces the space of the sliding groove to be increased, the inner cavity 16 moves a small distance to the inside of the outer cavity 17 under the action of atmospheric pressure, at the moment, the drill bit 11 leaves the surface of a workpiece, the mercury metal is changed into liquid from gas state after the temperature of the drill bit 11 is reduced, the mercury metal falls into the pipeline 111 inside the drill bit 11 again, the inner cavity 16 also falls, and the drill bit 11 is continuously contacted with the surface of the workpiece to continuously drill a hole.

As shown in fig. 5 and 6, the coolant is mercury metal. The mercury metal is liquid at normal temperature, mercury can be evaporated into gas when the temperature rises, a large amount of heat can be taken away, and the volume of mercury becomes large when the mercury metal is gasified, so that the position of the drill bit 11 is changed, and the mercury is sealed in the drill bit 11 and can be repeatedly used without replacement.

As shown in fig. 1-4, the transfer assembly 2 includes a first module 21, a second module 22, a third module 23, a connecting plate 24, a reinforcing rib 25, a supporting plate 26 and a column 27, wherein the column 27 is installed on the upper surface of the worktable assembly 3, the supporting plate 26 is installed on the top of the column 27, the first module 21 is installed above the supporting plate 26, another supporting plate 26 is installed above the first module 21, the second module 22 is installed above the supporting plate 26, one side of the connecting plate 24 is connected to the moving platform of the second module 22, the other side is connected to the back of the third module 23, and the reinforcing rib 25 is fixed on the two sides of the connecting plate 24 in a threaded connection manner. The four columns 27 are firmly connected with the working table surface 31, the two groups respectively support one first module 21, and the two first modules 21 move synchronously, so that the second module 22 can make stable displacement back and forth in the horizontal direction. The second module 22 spans over two first modules 21, and when the second module 22 is operated, the third module 23 is driven to move left and right in the horizontal direction, and correspondingly, the drill bit assembly 1 is driven to move left and right, so that the drill bit assembly 1 can be adaptive to the holes of different widths and the hole distribution of different positions. The third module 23 can drive the drill bit assembly 1 to move up and down in the vertical direction, when the height of a workpiece is changed, the initial position of the drill bit 11 can be adjusted through a control program, the feeding amount is determined, the strength of the whole structure is improved by installing the reinforcing ribs 25, the module is guaranteed to act more stably during working, and the vibration amplitude is reduced in the switching process from a motion state to a forbidden state. First module 21, second module 22, third module 23 are respectively to drill bit assembly 1 around, control, the upper and lower position regulate and control, have improved the self-adaptation ability of this perforating device to different model steel constructions, have also accomplished the accurate positioning to the position of punching simultaneously.

As shown in fig. 1-4, the working table assembly 3 includes a working table 31, a clamping device 32, a guiding shaft 33, a linear bearing 34, a bottom plate 35, a sliding block 36, a guiding rail 37 and a lifting cylinder 38, the working table 31 is connected with the bottom of the upright column 27, the upper portion of the clamping device 32 extends out of the opening of the working table 31, the sliding block 36 is mounted at the bottom of the clamping device 32, the sliding block 36 is mounted on the guiding rail 37, the bottom of the guiding rail 37 is tightly connected with the bottom plate 35, the linear bearing 34 is mounted in a circular hole on the working table 31, the bottom of the guiding shaft 33 is tightly connected with the bottom plate 35, the upper portion penetrates through the linear bearing 34, the bottom of the lifting cylinder 38 is tightly connected with the bottom of the working table 31, and the top movable joint is tightly connected with the bottom plate 35. The lower hanging bottom plate 35 type design can enable the internal structure of the clamping device 32 to be arranged below the working table top 31, the simplicity of the working table top 31 is guaranteed, a larger movement space is provided for a workpiece, when the workpiece is conveyed onto the working table top 31, the clamping device 32 needs to be adjusted in position to clamp the workpiece, the arrangement of the two parallel guide rails 37 guarantees that the clamping device 32 can move left and right in the horizontal direction, and the position of the clamping device 32 cannot deviate in the moving process. The distance between the bottom plate 35 and the working table 31 can be adjusted up and down by the lifting cylinder 38, and as the clamping device 32 is connected with the bottom plate 35 through the guide rail 37 and the sliding block 36, the distance between the bottom plate 35 and the working table 31 directly influences the extending height of the clamping device 32 on the working table 31, and the clamping device 32 can be clamped from different positions according to different specifications of workpieces due to the design.

As shown in fig. 7 and 8, the clamping device 32 comprises a clamping block 321, a rotary cylinder 322, a cylinder connecting plate 323, a servo motor 324, a bearing 325, a gear 326, a rack 327 and a motor mounting plate 328, wherein the rotary surface of the rotary cylinder 322 is connected with the side edge of the clamping block 321, the upper side of the cylinder connecting plate 323 is connected with the bottom of the rotary cylinder 322, the bearing 325 is mounted in a bearing 325 mounting groove on the cylinder connecting plate 323, the servo motor 324 is mounted above the motor mounting plate 328, an output shaft of the servo motor 324 passes through the middle of the bearing 325, the end of the output shaft is provided with the gear 326, the rack 327 is mounted on the upper surface of the bottom plate 35, and the tooth surface of the rack is engaged with the teeth of the gear 326. When the workpiece is in a square tubular structure, the rotary cylinders 322 of the left and right clamping mechanisms drive the clamping blocks 321 to rotate to a vertical surface, the servo motors 324 rotate, the gears 326 and the racks 327 mounted on the servo motors are meshed to drive the servo motors 324 to move on the slide rails, the servo motors 324 at the left end and the right end of the same clamping device 32 are controlled by synchronous signals, the clamping blocks 321 are driven to move through the cylinder connecting plates 323 when the two servo motors 324 move synchronously, the two clamping blocks 321 are attached to the two side surfaces of the workpiece through the reduced space, and the servo motors 324 stop rotating when the pressure sensors on the side surfaces of the clamping blocks 321 reach a specified value. When the workpiece is in a circular tubular structure, the rotary cylinder 322 drives the clamping block 321 to rotate to the inclined surface, the two inclined surfaces clamp the workpiece in a V shape, when the workpiece is in a plate-shaped structure, the servo motor 324 drives the gear 326 to rotate, the gear 326 is meshed with the rack 327, the servo motor 324 drives the clamping block 321 to move to two sides of the workpiece, the piston rod of the lifting cylinder 38 extends out to drive the bottom plate 35 to move downwards, and the clamping plate presses the workpiece to realize positioning.

As shown in fig. 7 and 8, the clamp block 321 has a flat surface on one side and an inclined surface on the other side. Different surface characteristics of the clamping block 321 are designed for different workpieces, a steel structure for building houses is mainly divided into a square strip shape, a round tube shape and a plate shape, and the plate shape and the square strip shape are clamped by a plane to ensure the maximum contact area and improve the friction force, so that the clamping stability is ensured. However, the contact mode of the workpiece in the shape of a flat clamping circular tube is linear contact, the friction force is small, and the stability of the workpiece cannot be guaranteed by the clamping force provided by the clamping device 32, so that the workpiece is clamped by using two inclined surfaces in a V shape, and the workpiece is clamped by converting the gravity of the circular tube and the pressure applied by the drill 11 during working into the friction force.

The working principle of the invention is as follows: the steel structure for building houses needs punching before assembly, steel structures of different specifications are placed on the surface of a working seat in different clamping modes, when a workpiece is in a square tubular structure, a rotary cylinder 322 of a left clamping mechanism and a right clamping mechanism drives a clamping block 321 to rotate to a vertical surface, a servo motor 324 rotates, a gear 326 and a rack 327 mounted on the servo motor 324 are meshed to drive the servo motor 324 to move on a sliding rail, the servo motors 324 at the left end and the right end of the same clamping device 32 are controlled by synchronous signals, the two servo motors 324 synchronously move to drive the clamping block 321 to move through a connecting plate 24, the two clamping blocks 321 are attached to the two side surfaces of the workpiece through reducing the distance, and the servo motor 324 stops rotating when a pressure sensor at the side surface of the clamping block 321 reaches a specified value. When the workpiece is in a circular tubular structure, the rotary cylinder 322 drives the clamping block 321 to rotate to the inclined surface, the two inclined surfaces clamp the workpiece in a V shape, when the workpiece is in a plate-shaped structure, the servo motor 324 drives the gear 326 to rotate, the gear 326 is meshed with the rack 327, the servo motor 324 drives the clamping block 321 to move to two sides of the workpiece, the piston rod of the lifting cylinder 38 extends out to drive the bottom plate 35 to move downwards, and the clamping plate presses the workpiece to realize positioning. After a workpiece is clamped, the position of the first module 21 is adjusted forwards and backwards, the position of the second module 22 is adjusted leftwards and rightwards, the position of the third module 23 is adjusted upwards and downwards, so that the drill bit assembly 1 reaches a specified drilling position, the third module 23 continues to move downwards, the input motor 12 drives the drill bit 11 to rotate through the synchronous belt 13, after the drill bit 11 works for a period of time, the drill bit 11 can generate heat, mercury metal in the pipeline 111 inside the drill bit 11 is gasified to absorb heat, the gasified mercury volume is increased to compress air in the air chamber 161, the air in the air chamber 161 is pressed into the outer cavity 17 through a small hole, because the sliding groove inside the outer cavity 17 is tightly contacted and isolated with the inner cavity 16, the air pressure is pressed into the sliding groove to increase the space, the inner cavity 16 can move a small distance to the inside the outer cavity 17 under the action of atmospheric pressure, at the drill bit 11 can leave the surface of the workpiece, and the mercury metal can be changed from a gas state to a liquid state after the temperature of the drill bit 11 is reduced, and falls back into the pipe 111 in the drill bit 11, the inner cavity 16 is also lowered, and the drill bit 11 continues to contact the surface of the workpiece to continue drilling.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a steel structure perforating device for building house which characterized in that: the punching device comprises a drill bit assembly (1), a shifting assembly (2) and a workbench assembly (3), wherein the drill bit assembly (1) is arranged at the upper part of the shifting assembly (2), the bottom of the shifting assembly (2) is arranged on the workbench assembly (3), and the connection mode is fastening connection;

the drill bit assembly (1) comprises a drill bit (11), an input motor (12), a synchronous belt (13), a first synchronous pulley (14), a second synchronous pulley (15), an inner cavity (16) and an outer cavity (17), the drill bit assembly (1) is installed on the lower portion of the inner cavity (16), the input motor (12) is installed inside the inner cavity (16), the first synchronous pulley (14) is installed on an output shaft of the input motor (12), the second synchronous pulley (15) is installed on the drill bit (11), the synchronous belt (13) is sleeved on the first synchronous pulley (14) and the second synchronous pulley (15), and the outer cavity (17) is fixed on the transfer assembly (2);

a pipeline (111) is arranged in the drill bit (11), cooling liquid is filled in the pipeline (111), an air chamber (161) is arranged in the inner cavity (16), the pipeline (111) in the drill bit (11) is connected with the air chamber (161) in the inner cavity (16), and a small hole is formed above the air chamber (161) in the inner cavity (16) and is connected with the inner space of the outer cavity (17);

the cooling liquid is mercury metal.

2. The steel structure perforating device for building houses as claimed in claim 1, wherein: the transfer assembly (2) comprises a first module (21), a second module (22), a third module (23), a connecting plate (24), reinforcing ribs (25), a supporting plate (26) and an upright column (27), wherein the upright column (27) is installed on the upper surface of the workbench assembly (3), the supporting plate (26) is installed at the top of the upright column (27), the first module (21) is installed above the supporting plate (26), the other supporting plate (26) is installed above the first module (21), the second module (22) is installed above the supporting plate (26), one side of the connecting plate (24) is connected with a moving platform of the second module (22), the other side of the connecting plate is connected with the back of the third module (23), the reinforcing ribs (25) are fixed on the two sides of the connecting plate (24), and the fixing mode of the reinforcing ribs is threaded connection.

3. The steel structure perforating device for building houses as claimed in claim 1, wherein: the workbench component (3) comprises a workbench surface (31), a clamping device (32), a guide shaft (33), a linear bearing (34), a bottom plate (35), a slide block (36), a guide rail (37) and a lifting cylinder (38), the working table surface (31) is connected with the bottom of the upright post (27), the upper part of the clamping device (32) extends out of the opening of the working table surface (31), the bottom of the clamping device (32) is provided with a sliding block (36), the sliding block (36) is arranged on a guide rail (37), the bottom of the guide rail (37) is tightly connected with the bottom plate (35), the linear bearing (34) is arranged in a circular hole on the working table surface (31), the bottom of the guide shaft (33) is tightly connected with the bottom plate (35), the upper part of the guide shaft penetrates through the linear bearing (34), the bottom of the lifting cylinder (38) is fixedly connected with the bottom of the working table surface (31), and the top movable joint is fixedly connected with the bottom plate (35).

4. The steel structure perforating device for building houses as claimed in claim 3, wherein: the clamping device (32) comprises a clamping block (321), a rotary cylinder (322), a cylinder connecting plate (323), a servo motor (324), a bearing (325), a gear (326), a rack (327) and a motor mounting plate (328), wherein the rotary surface of the rotary cylinder (322) is connected with the side edge of the clamping block (321), the upper part of the cylinder connecting plate (323) is connected with the bottom of the rotary cylinder (322), the bearing (325) is mounted in a bearing (325) mounting groove in the cylinder connecting plate (323), the servo motor (324) is mounted above the motor mounting plate (328), an output shaft of the servo motor (324) penetrates through the middle of the bearing (325), the gear (326) is mounted at the tail end of the output shaft, the rack (327) is mounted on the upper surface of the bottom plate (35), and the tooth surface of the rack is meshed with the teeth of the gear (326).

5. The steel structure perforating device for building houses as claimed in claim 4, wherein: one side of the clamping block (321) is a plane, and the other side of the clamping block is an inclined plane.