CN111673566B

CN111673566B - Intelligent chamfering equipment for subway workpieces of building construction

Info

Publication number: CN111673566B
Application number: CN202010570041.XA
Authority: CN
Inventors: 王海龙
Original assignee: Anhui Shuimu Construction Engineering Group Co ltd
Current assignee: Anhui Shuimu Construction Engineering Group Co ltd; Li Peng
Priority date: 2020-06-21
Filing date: 2020-06-21
Publication date: 2023-06-09
Anticipated expiration: 2040-06-21
Also published as: CN111673566A

Abstract

The invention relates to chamfering equipment, in particular to intelligent chamfering equipment for a subway workpiece of a building. The technical problems are as follows: the intelligent chamfering equipment for the subway workpieces of the building workers can enable the building workers to be relaxed, and the building workers can be prevented from being injured. The technical proposal is as follows: the intelligent chamfering equipment for the building subway workpieces comprises a wall hanging plate, a control box, a power supply main switch, a first ship-shaped switch, a second ship-shaped switch, expansion screws, a connecting frame and the like; the control box is installed at the lower part of the right side of the wall hanging plate, and the control box comprises a control module and a power module which are connected by a line. According to the invention, the driving motor can be controlled to work through the control module, the grinding wheel is driven to rotate, and the iron workpiece is chamfered, so that manual operation can be reduced, a construction worker can be relaxed, and the processing box can block flying scraps, so that the construction worker can be prevented from being injured.

Description

Intelligent chamfering equipment for subway workpieces of building construction

Technical Field

The invention relates to chamfering equipment, in particular to intelligent chamfering equipment for a subway workpiece of a building.

Background

In a construction site, a large amount of iron workpieces are often required to be used, in order to avoid scratching hands of the iron workpieces, chamfering is required to be carried out on the iron workpieces, at present, a construction worker clamps the iron workpieces on a common lathe, then the construction worker manually operates the common lathe to chamfer the iron workpieces, so that the construction worker is tired, and scraps flying out during chamfering possibly hurt the construction worker, so that the construction worker can hold a transparent plate to block the head of the construction worker, and thus, the construction worker needs to operate with one hand, which is possibly inconvenient.

Disclosure of Invention

In order to overcome the defects that the constructor manually operates the common lathe to chamfer the iron workpiece, the constructor is tired, and the scraps flying during chamfering possibly hurt the constructor, the technical problems are that: the intelligent chamfering equipment for the subway workpieces of the building workers can enable the building workers to be relaxed, and the building workers can be prevented from being injured.

The technical proposal is as follows: an intelligent chamfering device for building engineering subway workpieces comprises a wall hanging plate, a control box, a power supply main switch, a first boat-shaped switch, a second boat-shaped switch, an expansion screw, a connecting frame, a sliding rail, a sliding block, a first push rod, a moving plate, a connecting block, a processing box, a placing sleeve, a protection box, a first bearing seat, a first rotating rod, a first N-shaped frame, a first gear, a driving motor, a second gear, a power receiving ring, a fixed block, an electrode, a second bearing seat, a second rotating rod, a first double-shaft motor, a first screw rod, a first nut, a first guide rail, a first guide sleeve, a mounting rod, a connecting rod, a second double-shaft motor, a contact switch, a key-carrying rod, a connecting seat, a third bearing seat, an L-shaped block, a fourth bearing seat, a rotating ring with a key groove, a first conical gear, an E-shaped frame, a fifth bearing seat, a third rotating rod, a second conical gear, a worm, a rotating shaft, a mounting block, a grinding wheel, a starting propulsion device and a clamping device, the control box is arranged at the lower right side of the wall-mounted plate, the control box comprises a control module and a power module, the control module and the power module are connected by a circuit, the left part of the front side of the control box is sequentially provided with a main power switch, a first ship-shaped switch and a second switch from top to bottom, the main power switch and the power module are connected by the circuit, the right upper part of the front side of the control box is provided with a second ship-shaped switch, the upper part and the lower part of the wall-mounted plate are both provided with mounting holes, an expansion screw is arranged in the mounting holes, a connecting frame is fixedly connected to the upper right side of the wall-mounted plate, a slide rail with guiding function is arranged at the front side of the connecting frame in an embedded manner, a slide block is arranged on the slide rail in a sliding manner, a first push rod is connected to the bottom of the slide block, the bottom end of the first push rod is connected with a movable plate, the right side of the movable plate is connected with a connecting block, the right side of the connecting block is provided with a clamping device, the left side of the connecting frame is provided with a starting propulsion device, the right side of the connecting frame is connected with a processing box, a protection box is fixedly connected to the top of the processing box, a placing sleeve is arranged at the bottom of the processing box in an embedded manner, a first bearing seat is arranged in the middle of the top of the processing box in an embedded manner, a first rotating rod is arranged in the first bearing seat, a first N-shaped frame is fixedly connected to the bottom end of the first rotating rod, the upper part of the first rotating rod is provided with a first gear, the right side of the top of the processing box is bolted with a driving motor, an output shaft of the driving motor is provided with a second gear, the second gear is meshed with the first gear, a power receiving ring is arranged in the middle of the first rotating rod, a fixing block is connected to the left side of the top of the processing box, the fixing block and the driving motor are both positioned in the protection box, an electrode is arranged on the right side of the fixing block and contacted with the power receiving ring, and the electrode and the power receiving ring can supply and transmit signals to electric elements on the first N-shaped frame in a matched manner, the left side and the right side in the first N-shaped frame are respectively provided with a second bearing in an embedded manner, the two second bearing are respectively connected with a second rotating rod, a first double-shaft motor is bolted to the inner top of the first N-shaped frame, the inner ends of the second rotating rods are fixedly connected with the two ends of the output shafts of the first double-shaft motor, the two second rotating rods are respectively provided with a first screw rod, the threads on the two first screw rods are opposite, the two first screw rods are respectively screwed with a first nut, the lower part in the first N-shaped frame is horizontally provided with a first guide rail, the first guide rail is sleeved with two first guide sleeves, the two mounting rods are respectively arranged at the bottoms of the two first guide sleeves, the upper parts of the two mounting rods are respectively provided with guide holes, the middle of the bottom of the first guide rail is provided with a second double-shaft motor through a connecting rod, the bottom of the second double-shaft motor is provided with a contact switch, the output shaft of the second double-shaft motor is fixedly connected with two rotating rods with a key, the two key-carrying rotating rods respectively penetrate through the two guide holes, the two connecting seats are respectively arranged at the left side and the right side of the bottom of the first N-shaped frame, the bottoms of the two connecting seats are respectively connected with a third bearing seat in a bolt manner, the left third bearing seat is connected with the left key-carrying rotating rod through interference, the right third bearing seat is connected with the right key-carrying rotating rod through interference, the bottoms of the two first guide sleeves are fixedly connected with L-shaped blocks, the bottoms of the two L-shaped blocks are respectively provided with a fourth bearing seat, the two fourth bearing seats are respectively internally and fixedly connected with a key-carrying rotating ring, the two key-carrying rotating rings are respectively matched with the two key-carrying rotating rods, the two key-carrying rotating rings are respectively provided with a first conical gear, the lower part of the outer side of the mounting rod is fixedly connected with an E-shaped frame, three fifth bearing seats are embedded on the E-shaped frame, the third bull stick is installed to the fifth bearing frame of top, the second bevel gear is installed on third bull stick top, install the worm between two fifth bearing frames of below, screw on two worms is opposite, worm top and third bull stick bottom fixed connection, the pivot is all installed to two installation pole lower parts, the worm wheel is two, locate two pivot rear ends separately, two worm wheels mesh with two worms respectively, the installation piece is all installed in two pivot fronts, the emery wheel is installed to the installation piece inboard, first biax motor, second biax motor and contact switch all have line connection with the power receiving circle, first switch, first boat type switch, the second switch, second boat type switch, driving motor and electrode all have line connection with control module.

Further, start propulsion device is including the cylinder, first blast pipe, first electrically controlled valve, the second blast pipe, the second electrically controlled valve, first intake pipe, the third electrically controlled valve, the second intake pipe, the fourth electrically controlled valve, high-pressure gas tank, the air duct, the mount pad, the air pump, a piston, sealing ring and second push rod, the cylinder is installed in the link left side, cylinder bottom right side is connected with first blast pipe, be equipped with first electrically controlled valve in the first blast pipe, cylinder top right side is connected with the second blast pipe, be equipped with the second electrically controlled valve in the second blast pipe, cylinder bottom left side is connected with first intake pipe, be equipped with the third electrically controlled valve in the first intake pipe, cylinder top left side is connected with the second intake pipe, be equipped with the fourth electrically controlled valve in the second intake pipe, the high-pressure gas tank is installed in cylinder left middle part, the air duct of high-pressure gas tank upper and lower both sides all are connected with the shape and are L shape, the air duct and the second air duct of top and first intake pipe connection, the air pump is installed through the mount pad in the middle part in cylinder left side, be connected with high-pressure tank left side, be equipped with the piston in the air pump right side, second air duct and top side is connected with the piston, second electrically controlled valve, the second air duct bottom is connected with the second electrically controlled valve, the second push rod is connected with the piston, the fourth electrically controlled valve, the top is connected with the fourth electrically controlled valve, the piston.

Further, clamping device is including second N shape frame, the second guide rail, the second guide pin bushing, the movable rod, the clamp splice, the sixth bearing frame, the fifth bull stick, the third biax motor, the second lead screw, second nut and first button, connecting block right side rigid coupling has second N shape frame, second guide pin bushing is installed to second N shape frame inboard, be equipped with two second guide pins on the second guide rail, two second guide pin bushing rear sides all rigid couplings have the movable rod, the movable rod inboard is connected with the clamp splice, the sixth bearing frame is all installed to the left and right sides in the second N shape frame, all install the fifth bull stick in the two sixth bearing frames, all install the second lead screw on the two fifth bull sticks, the screw thread on two second lead screws is opposite, all be equipped with the second nut on two second lead screws, second nut rear side and second guide pin bushing front side fixed connection, the front side middle part bolt has the third biax motor in the second N shape frame, two fifth bull sticks the inner respectively with the both ends fixed connection of third biax motor output shaft, first button installs in second N shape motor front portion and third biax motor, first biax circuit connection.

Further, still including metal detection head, magnetic chuck and second button, metal detection head and magnetic chuck are installed in the embedded clamp splice left side on right side, and metal detection head is located the magnetic chuck front side, and the second button is installed at second N shape frame front side right part, and the second button is located first button left side, and metal detection head, magnetic chuck and second button all have line connection with control module.

The beneficial effects of the invention are as follows: according to the invention, the driving motor can be controlled to work through the control module, the grinding wheel is driven to rotate, and the iron workpiece is chamfered, so that manual operation can be reduced, a construction worker can be relaxed, and the processing box can block flying scraps, so that the construction worker can be prevented from being injured; the iron workpiece can be sucked through the work of the magnetic chuck, so that a construction worker is not required to hold the iron workpiece all the time, and the iron workpiece is convenient and quick.

Drawings

Fig. 1 is a schematic diagram of a front view structure of the present invention.

Fig. 2 is an enlarged schematic view of the control box of the present invention.

Fig. 3 is an enlarged schematic view of a first portion of the present invention.

Fig. 4 is an enlarged schematic view of a second portion of the present invention.

Fig. 5 is an enlarged schematic view of the start propulsion device of the present invention.

Fig. 6 is a schematic top view of the clamping device of the present invention.

Fig. 7 is a circuit diagram of the present invention.

Fig. 8 is a schematic circuit diagram of the present invention.

Part names and serial numbers in the figure: 1. wall-mounted plate, 101 control box, 102 power master switch, 103 first switch, 104 first boat-shaped switch, 105 second switch, 106 second boat-shaped switch, 2 mounting hole, 3 expansion screw, 4 connecting frame, 5 slide rail, 6 slide block, 7 first push rod, 8 moving plate, 10 connecting block, 11 processing box, 12 placing sleeve, 13 protecting box, 14 first bearing seat, 15 first rotary rod, 16 first N-shaped frame, 17 first gear, 18 driving motor, 19 second gear, 20 receiving coil, 21 fixed block, 22 electrode, 23 second bearing, 24 second rotary rod, 25 first double-shaft motor, 26 first screw rod, 27 first nut, 28 first guide rail, 29 first guide sleeve, 291 mounting rod, 292 guide hole, 293 connecting rod, 294 second double-shaft motor, 295 contact switch, 296 key rotary rod, a 297 connection seat, a 298 third bearing seat, a 299L-shaped block, a 2910 fourth bearing seat, a 2911 splined swivel ring, a 2912 first conical gear, a 2913E-shaped rack, a 2914 fifth bearing seat, a 2915 third swivel rod, a 2916 second conical gear, a 2917 worm, a 2918 spindle, a 2919 worm wheel, a 2920 mounting block, a 2921 grinding wheel, a 30 start propulsion device, a 301 cylinder, a 302 first exhaust pipe, a 303 first electrically controlled valve, a 304 second exhaust pipe, a 305 second electrically controlled valve, a 306 first intake pipe, a 307 third electrically controlled valve, a 308 second intake pipe, a 309 fourth electrically controlled valve, a 3010 high pressure gas tank, a 3011 gas guide pipe, a 3012 mounting seat, a 3013 gas pump, a 3014 piston, a 3015 sealing ring, a 3016 second push rod, a 31 clamping device, a 311 second N-shaped rack, a 312 second guide rail, a 313 second guide sleeve, 314. the movable rod, 315 clamping blocks, 316 sixth bearing blocks, 317 fifth rotating rods, 318 third double-shaft motors, 319 second lead screws, 3110 second nuts, 3111 first buttons, 321 metal probes, 322 magnetic chucks, 323 second buttons.

Detailed Description

The invention will be further described with reference to specific examples, illustrative examples and illustrations of which are provided herein to illustrate the invention, but are not to be construed as limiting the invention.

Example 1

1-8, which comprises a wall hanging plate 1, a control box 101, a power main switch 102, a first switch 103, a first ship type switch 104, a second switch 105, a second ship type switch 106, an expansion screw 3, a connecting frame 4, a sliding rail 5, a sliding block 6, a first push rod 7, a moving plate 8, a connecting block 10, a processing box 11, a placing sleeve 12, a protection box 13, a first bearing seat 14, a first rotating rod 15, a first N-shaped frame 16, a first gear 17, a driving motor 18, a second gear 19, a power receiving ring 20, a fixed block 21, an electrode 22, a second bearing seat 23, a second rotating rod 24, a first double-shaft motor 25, a first screw rod 26, a first nut 27, a first guide rail 28, a first guide sleeve 29, a mounting rod 291, a connecting rod 293, a second double-shaft motor 294, a contact switch 295, a keyed rotating rod 296, a connecting seat 297, a third bearing seat 298, an L-shaped block 2911, a fourth bearing seat 0, a keyed rotating ring 2911, a first conical gear 2912, a second conical gear 2912, a fifth bearing seat 2913, a fifth conical gear 2913, a third conical gear 2915, a rotating rod 2915, a grinding wheel 2915, a clamping device 2915, a grinding wheel 2915, a clamping device 2915, the control box 101 is arranged at the lower part of the right side of the wall-mounted plate 1, the wall-mounted plate 1 is connected with the control box 101 in a bolt connection mode, the control box 101 comprises a control module and a power module, the control module and the power module are connected in a circuit, a main power switch 102, a first switch 103, a first ship-shaped switch 104 and a second switch 105 are sequentially arranged at the left part of the front side of the control box 101 from top to bottom, the main power switch 102 is connected with the power module in a circuit, a second ship-shaped switch 106 is arranged at the right upper part of the front side of the control box 101, mounting holes 2 are respectively formed at the upper part and the lower part of the wall-mounted plate 1, an expansion screw 3 is arranged in the mounting hole 2, a connecting frame 4 is fixedly connected to the upper part of the right side of the wall hanging plate 1, a slide rail 5 with guiding function is embedded at the front side of the connecting frame 4, a slide block 6 is arranged on the slide rail 5 in a sliding manner, a first push rod 7 is connected to the bottom of the slide block 6, a movable plate 8 is connected to the bottom end of the first push rod 7, a connecting block 10 is connected to the right side of the movable plate 8, a clamping device 31 is arranged on the right side of the connecting block 10, a starting propulsion device 30 is arranged on the left side of the connecting frame 4, a processing box 11 is connected to the connecting frame 4 in a welding connection manner, a protection box 13 is fixedly connected to the top of the processing box 11, a placing sleeve 12 is embedded at the bottom of the processing box 11, a first bearing seat 14 is embedded at the middle of the top of the processing box 11, a first rotary rod 15 is arranged in the first bearing seat 14, a first N-shaped frame 16 is fixedly connected to the bottom end of the first rotary rod 15, the upper part of the first rotating rod 15 is provided with a first gear 17, the right side of the top of the processing box 11 is bolted with a driving motor 18, the output shaft of the driving motor 18 is provided with a second gear 19, the second gear 19 is meshed with the first gear 17, the middle part of the first rotating rod 15 is provided with a power receiving ring 20, a fixed block 21 is connected to the left side of the top of the processing box 11, the fixed block 21 and the driving motor 18 are both positioned in the protection box 13, the right side of the fixed block 21 is provided with an electrode 22, the electrode 22 is contacted with the power receiving ring 20, the electrode 22 and the power receiving ring 20 cooperate to supply and transmit signals to electric elements on the first N-shaped frame 16, the left side and the right side in the first N-shaped frame 16 are both embedded with a second bearing seat 23, the two second rotating rods 24 are both connected in the second bearing seats 23, the first double-shaft motor 25 is bolted to the inner top of the first N-shaped frame 16, the inner end of the second rotating rod 24 is fixedly connected with the two ends of the output shaft of the first double-shaft motor 25, the first screw rods 26 are arranged on the two second rotating rods 24, the threads on the two first screw rods 26 are opposite, the first nuts 27 are screwed on the two first screw rods 26, the first guide rails 28 are horizontally arranged at the lower part in the first N-shaped frame 16, the two first guide sleeves 29 are sleeved on the first guide rails 28, the two mounting rods 291 are respectively arranged at the bottoms of the two first guide sleeves 29, the guide holes 292 are respectively arranged at the upper parts of the two mounting rods 291, the second double-shaft motor 294 is arranged in the middle of the bottom of the first guide rails 28 through the connecting rod 293, the connecting rod 293 is connected with the second double-shaft motor 294 in a bolt connection mode, the contact switch 295 is arranged at the bottom of the second double-shaft motor 294, the two key rotating rods 296 are fixedly connected with the output shaft of the second double-shaft motor 294, the two key rotating rods 296 respectively penetrate through the two guide holes 292, the two connecting rods 297 are respectively arranged at the left side and the right side of the bottom of the first N-shaped frame 16, the bottoms of the two connecting seats 297 are respectively bolted with a third bearing seat 298, the left third bearing seat 298 is connected with the left keyed rotating rod 296 through interference, the right third bearing seat 298 is connected with the right keyed rotating rod 296 through interference, the bottoms of the two first guide sleeves 29 are respectively fixedly connected with an L-shaped block 299, the bottoms of the two L-shaped blocks 299 are respectively provided with a fourth bearing seat 2910, the bottoms of the two fourth bearing seats 2910 are respectively fixedly connected with a splined rotating ring 2911, the two splined rotating rings 2911 are respectively matched with the two keyed rotating rods 296, the two splined rotating rings 2911 are respectively provided with a first conical gear 2912, the lower part of the outer side of the mounting rod 291 is fixedly connected with an E-shaped rack 2913, the mounting rod 291 is connected with the E-shaped rack 2913 through welding, three fifth bearing seats 2914 are embedded in the E-shaped rack 2913, the upper fifth bearing seats 4 are respectively provided with a third rotating rod 5, the top end of the third rotating rod 2915 is provided with a second conical gear 2916, the second bevel gear 2916 is meshed with the first bevel gear 2912, a worm 2917 is installed between two fifth bearing seats 2914 below, threads on the two worms 2917 are opposite, the top ends of the worms 2917 are fixedly connected with the bottom ends of a third rotating rod 2915, rotating shafts 2918 are rotatably installed at the lower parts of the two mounting rods 291, two worm gears 2919 are respectively arranged at the rear ends of the two rotating shafts 2918, the two worm gears 2919 are meshed with the two worms 2917 respectively, mounting blocks 2920 are installed at the front parts of the two rotating shafts 2918, grinding wheels 2921 are installed at the inner sides of the mounting blocks 2920, the first double-shaft motor 25, the second double-shaft motor 294 and the contact switch 295 are connected with the power receiving ring 20 in a line mode, and the first switch 103, the first ship-shaped switch 104, the second switch 105, the second ship-shaped switch 106, the driving motor 18 and the electrode 22 are connected with the control module in a line mode.

Example 2

1-8, which comprises a wall hanging plate 1, a control box 101, a power main switch 102, a first switch 103, a first ship type switch 104, a second switch 105, a second ship type switch 106, an expansion screw 3, a connecting frame 4, a sliding rail 5, a sliding block 6, a first push rod 7, a moving plate 8, a connecting block 10, a processing box 11, a placing sleeve 12, a protection box 13, a first bearing seat 14, a first rotating rod 15, a first N-shaped frame 16, a first gear 17, a driving motor 18, a second gear 19, a power receiving ring 20, a fixed block 21, an electrode 22, a second bearing seat 23, a second rotating rod 24, a first double-shaft motor 25, a first screw rod 26, a first nut 27, a first guide rail 28, a first guide sleeve 29, a mounting rod 291, a connecting rod 293, a second double-shaft motor 294, a contact switch 295, a keyed rotating rod 296, a connecting seat 297, a third bearing seat 298, an L-shaped block 2911, a fourth bearing seat 0, a keyed rotating ring 2911, a first conical gear 2912, a second conical gear 2912, a fifth bearing seat 2913, a fifth conical gear 2913, a third conical gear 2915, a rotating rod 2915, a grinding wheel 2915, a clamping device 2915, a grinding wheel 2915, a clamping device 2915, the lower right part of the wall-mounted plate 1 is provided with a control box 101, the control box 101 comprises a control module and a power module, the control module and the power module are connected by a circuit, the left part of the front side of the control box 101 is provided with a main power switch 102, a first switch 103, a first ship-shaped switch 104 and a second switch 105 in sequence from top to bottom, the main power switch 102 and the power module are connected by a circuit, the right upper part of the front side of the control box 101 is provided with a second ship-shaped switch 106, the upper part and the lower part of the wall-mounted plate 1 are provided with mounting holes 2, the mounting holes 2 are internally provided with expansion screws 3, a connecting frame 4 is fixedly connected with the right upper part of the wall-mounted plate 1, the front side of the connecting frame 4 is embedded with a slide rail 5 with guiding function, the slide rail 5 is provided with a slide block 6 in a sliding way, a first push rod 7 is connected at the bottom of the slide block 6, the bottom end of the first push rod 7 is connected with a moving plate 8, the right side of the moving plate 8 is connected with a connecting block 10, the right side of the connecting block 10 is provided with a clamping device 31, the left side of the connecting frame 4 is provided with a starting propulsion device 30, the right side of the connecting frame 4 is connected with a processing box 11, a protection box 13 is fixedly connected at the top of the processing box 11, the bottom of the processing box 11 is embedded with a placing sleeve 12, the middle of the top of the processing box 11 is embedded with a first bearing seat 14, a first rotating rod 15 is arranged in the first bearing seat 14, a first N-shaped frame 16 is fixedly connected at the bottom end of the first rotating rod 15, a first gear 17 is arranged at the upper part of the first rotating rod 15, the right side of the top of the processing box 11 is bolted with a driving motor 18, an output shaft of the driving motor 18 is provided with a second gear 19, the second gear 19 is meshed with the first gear 17, the power receiving ring 20 is arranged in the middle of the first rotating rod 15, the fixed block 21 is connected to the left side of the top of the processing box 11, the fixed block 21 and the driving motor 18 are both positioned in the protection box 13, the electrode 22 is arranged on the right side of the fixed block 21, the electrode 22 is contacted with the power receiving ring 20, the electrode 22 and the power receiving ring 20 cooperate to supply power and transmit signals to electric elements on the first N-shaped frame 16, the second bearing seats 23 are embedded on the left side and the right side in the first N-shaped frame 16, the second rotating rods 24 are connected in the two second bearing seats 23, the first double-shaft motor 25 is bolted to the inner top of the first N-shaped frame 16, the inner ends of the second rotating rods 24 are fixedly connected with the two ends of the output shaft of the first double-shaft motor 25, the first screw rods 26 are arranged on the two second rotating rods 24, the threads on the two first screw rods 26 are opposite, the first nuts 27 are screwed on the two first screw rods 26, the first guide rail 28 is horizontally arranged at the lower part in the first N-shaped frame 16, two first guide sleeves 29 are sleeved on the first guide rail 28, two mounting rods 291 are respectively arranged at the bottoms of the two first guide sleeves 29, guide holes 292 are respectively formed at the upper parts of the two mounting rods 291, a second double-shaft motor 294 is arranged in the middle of the bottom of the first guide rail 28 through a connecting rod 293, a contact switch 295 is arranged at the bottom of the second double-shaft motor 294, two keyed rotating rods 296 are fixedly connected to the output shaft of the second double-shaft motor 294, the two keyed rotating rods 296 respectively penetrate through the two guide holes 292, two connecting seats 297 are respectively arranged at the left side and the right side of the bottom of the first N-shaped frame 16, third bearing seats 298 are respectively bolted at the bottoms of the two connecting seats 297, the third bearing seats 298 at the left side are respectively connected with the keyed rotating rods 296 at the left side through interference, the third bearing seats 298 at the right side are respectively connected with the keyed rotating rods 296 at the right side through interference, L-shaped blocks are fixedly connected to the bottoms 299 of the two first guide sleeves 29, the bottom of the two L-shaped blocks 299 are respectively provided with a fourth bearing seat 2910, the two fourth bearing seats 2910 are internally and fixedly connected with a splined rotary ring 2911, the two splined rotary rings 2911 are respectively matched with two splined rotary rods 296, the two splined rotary rings 2911 are respectively provided with a first conical gear 2912, the lower part of the outer side of the mounting rod 291 is fixedly connected with an E-shaped rack 2913, the E-shaped rack 2913 is provided with three fifth bearing seats 2915 in an embedded manner, the fifth bearing seat 2914 above is internally provided with a third rotary rod 2915, the top end of the third rotary rod 2915 is provided with a second conical gear 2916, the second conical gear 2916 is meshed with the first conical gear 2912, a worm 2917 is arranged between the two fifth bearing seats 2915 below, the threads on the two worm 2917 are opposite, the top ends of the worm 2917 are fixedly connected with the bottom ends of the third rotary rod 2915, the lower parts of the two mounting rods 291 are respectively provided with a rotary shaft 8, the two worm gears 2919 are respectively, the two worm gears 2919 are meshed with the two worms 2917 respectively, the front parts of the two rotating shafts 2918 are provided with mounting blocks 2920, the inner sides of the mounting blocks 2920 are provided with grinding wheels 2921, the first double-shaft motor 25, the second double-shaft motor 294 and the contact switch 295 are all connected with the power receiving ring 20 in a circuit manner, and the first switch 103, the first ship-shaped switch 104, the second switch 105, the second ship-shaped switch 106, the driving motor 18 and the electrode 22 are all connected with the control module in a circuit manner.

The starting propulsion device 30 comprises a cylinder 301, a first exhaust pipe 302, a first electric control valve 303, a second exhaust pipe 304, a second electric control valve 305, a first air inlet pipe 306, a third electric control valve 307, a second air inlet pipe 308, a fourth electric control valve 309, a high-pressure air box 3010, an air duct 3011, a mounting seat 3012, an air pump 3013, a piston 3014, a sealing ring 3015 and a second push rod 3016, wherein the cylinder 301 is arranged on the left side of the connecting frame 4, the connecting frame 4 is connected with the cylinder 301 in a bolt connection manner, the first exhaust pipe 302 is connected on the right side of the bottom of the cylinder 301, the first electric control valve 303 is arranged in the first exhaust pipe 302, the second exhaust pipe 304 is connected on the right side of the top of the cylinder 301, the second electric control valve 305 is arranged in the second exhaust pipe 304, the first air inlet pipe 306 is connected on the left side of the bottom of the cylinder 301, the third electric control valve 307 is arranged in the first air inlet pipe 306, the second air inlet pipe 308 is connected on the left side of the top of the cylinder 301, a fourth electric control valve 309 is arranged in the second air inlet pipe 308, a high-pressure air box 3010 is arranged at the middle part of the left side of the air cylinder 301, the high-pressure air box 3010 is connected with the air cylinder 301 in a bolt connection mode, air guide pipes 3011 with L shapes are connected to the upper side and the lower side of the high-pressure air box 3010, the upper air guide pipe 3011 is connected with the second air inlet pipe 308, the lower air guide pipe 3011 is connected with the first air inlet pipe 306, an air pump 3013 is arranged at the middle part of the left side of the air cylinder 301 in a mounting seat 3012, the mounting seat 3012 is connected with the air pump 3013 in a bolt connection mode, the right side of the air pump 3013 is connected with the left side of the high-pressure air box 3010, a piston 3014 is arranged in the air cylinder 301, a second push rod 3016 is fixedly connected in the middle of the bottom of the piston 3014, a sealing ring 3015 is connected in the middle of the bottom of the air cylinder 301, the second push rod 3016 penetrates through the sealing ring 3015, the bottom end of the second push rod 3016 is fixedly connected with the top of the movable plate 8, the first electric control valve 303, the second electric control valve 305 and the third electric control valve 307 are connected, the fourth electrically controlled valve 309 and the air pump 3013 are both wired to the control module.

Example 3

The starting propulsion device 30 comprises a cylinder 301, a first exhaust pipe 302, a first electric control valve 303, a second exhaust pipe 304, a second electric control valve 305, a first air inlet pipe 306, a third electric control valve 307, a second air inlet pipe 308, a fourth electric control valve 309, a high-pressure air box 3010, an air duct 3011, a mounting seat 3012, an air pump 3013, a piston 3014, a sealing ring 3015 and a second push rod 3016, wherein the left side of a connecting frame 4 is provided with the cylinder 301, the right side of the bottom of the cylinder 301 is connected with the first exhaust pipe 302, the first electric control valve 303 is arranged in the first exhaust pipe 302, the right side of the top of the cylinder 301 is connected with the second exhaust pipe 304, the second electric control valve 305 is arranged in the second exhaust pipe 304, the left side of the bottom of the cylinder 301 is connected with the first air inlet pipe 306, the third electric control valve 307 is arranged in the first air inlet pipe 306, the left side of the top of the cylinder 301 is connected with the second air inlet pipe 308, the second air inlet pipe 308 is internally provided with a fourth electric control valve 309, the high-pressure air box 3010 is arranged at the middle part of the left side of the air cylinder 301, the upper side and the lower side of the high-pressure air box 3010 are both connected with an L-shaped air guide pipe 3011, the upper air guide pipe 3011 is connected with the second air inlet pipe 308, the lower air guide pipe 3011 is connected with the first air inlet pipe 306, the middle part of the left side of the air cylinder 301 is provided with an air pump 3013 through an installation seat 3012, the right side of the air pump 3013 is connected with the left side of the high-pressure air box 3010, the air cylinder 301 is internally provided with a piston 3014, a second push rod 3016 is fixedly connected at the middle part of the bottom of the piston 3014, a sealing ring 3015 is embedded in the middle of the bottom of the air cylinder 301, the second push rod 3016 penetrates through the sealing ring 3015, the bottom end of the second push rod 3016 is fixedly connected with the top of the mobile plate 8, and the first electric control valve 303, the second electric control valve 305, the third electric control valve 309 and the fourth electric control valve 3013 are all connected with a control module.

The clamping device 31 comprises a second N-shaped frame 311, a second guide rail 312, a second guide sleeve 313, a movable rod 314, a clamping block 315, a sixth bearing seat 316, a fifth rotating rod 317, a third double-shaft motor 318, a second lead screw 319, a second nut 3110 and a first button 3111, wherein the second N-shaped frame 311 is fixedly connected to the right side of the connecting block 10, the connecting block 10 is connected with the second N-shaped frame 311 in a welding connection mode, the second guide rail 312 is installed on the inner side of the second N-shaped frame 311, two second guide sleeves 313 are arranged on the second guide rail 312, the movable rod 314 is fixedly connected with the movable rod 314 on the rear side of the two second guide sleeves 313, the clamping block 315 is connected on the inner side of the movable rod 314 in a welding connection mode, the sixth bearing seat 316 is installed on the left side and the right side of the second N-shaped frame 311 in an embedded mode, the fifth rotating rod 317 is installed in the two sixth bearing seats 316, the second lead screws 319 are installed on the two fifth rotating rods 317, threads on the two second lead screws 319 are opposite to each other, the second lead screw 319 is installed on the two second guide rails 311, the second guide rail 313 is fixedly connected with the front of the second double-shaft motor 311, the front of the second guide frame 311 is connected with the second double-shaft motor 311, the front of the second bearing 311 is fixedly connected with the second bearing seat 311, and the second nut 311 is fixedly connected with the front of the second bearing seat 311, and the second nut is fixedly connected with the second nut.

Example 4

The clamping device 31 comprises a second N-shaped frame 311, a second guide rail 312, a second guide sleeve 313, a movable rod 314, clamping blocks 315, sixth bearing seats 316, fifth rotating rods 317, a third double-shaft motor 318, a second lead screw 319, a second nut 3110 and a first button 3111, wherein the second N-shaped frame 311 is fixedly connected to the right side of the connecting block 10, the second guide rail 312 is mounted on the inner side of the second N-shaped frame 311, two second guide sleeves 313 are arranged on the second guide rail 312, the movable rods 314 are fixedly connected to the rear sides of the two second guide sleeves 313, the clamping blocks 315 are connected to the inner side of the movable rod 314, the fifth rotating rods 317 are mounted in the left and right sides of the second N-shaped frame 311 in an embedded manner, the second lead screws 319 are mounted in the two sixth bearing seats 316, threads on the two second lead screws 319 are opposite, the second nuts 3110 are arranged on the two second lead screws 319, the rear sides of the second nuts 3110 are fixedly connected to the front sides of the second guide sleeves 313, the middle part of the second N-shaped frame 311 is fixedly connected to the inner ends of the third double-shaft motor 318, the front ends of the second N-shaped frame 311 are connected to the first double-shaft motor 3111, and the front ends of the third double-shaft motor 311 are fixedly connected to the first double-shaft buttons 3111.

The metal detection head 321 and the magnetic chuck 322 are embedded in the left side of the clamp block 315 on the right side, the metal detection head 321 is located on the front side of the magnetic chuck 322, the second button 323 is installed on the right portion of the front side of the second N-shaped frame 311, the second button 323 is located on the left side of the first button 3111, and the metal detection head 321, the magnetic chuck 322 and the second button 323 are all connected with a control module through wires.

When the iron workpiece is required to be chamfered, a construction worker presses the power supply main switch 102 to electrify the device, then the clamping device 31 is controlled to clamp the iron workpiece, if the grinding wheel 2921 is required to move inwards, the construction worker presses a first gear on the second ship-shaped switch 106, the second ship-shaped switch 106 sends out a signal, the control module receives the signal and then controls the first double-shaft motor 25 to rotate clockwise to drive the second rotating rod 24 and the first screw rod 26 to rotate clockwise, so that the first nut 27 is driven to move inwards, the first guide sleeve 29 and the mounting rod 291 drive the rotating shaft 2918 to move inwards, and then the mounting block 2920 is driven to move inwards, and the grinding wheel 2921 moves inwards accordingly. When the grinding wheel 2921 moves inwards to a proper position, the construction worker presses the second gear on the second boat-shaped switch 106, the second boat-shaped switch 106 sends out a signal, the control module receives the signal and then controls the first double-shaft motor 25 to stop rotating clockwise, if the grinding wheel 2921 needs to move outwards, the construction worker presses the third gear on the second boat-shaped switch 106, the second boat-shaped switch 106 sends out a signal, and the control module receives the signal and then controls the first double-shaft motor 25 to rotate anticlockwise to drive the second rotating rod 24 and the first screw rod 26 to rotate anticlockwise so as to drive the first nut 27 to move outwards, and the grinding wheel 2921 moves outwards along with the first double-shaft motor. When the grinding wheels 2921 move outwards to a proper position, the construction worker presses the second gear on the second ship-shaped switch 106 again, the second ship-shaped switch 106 sends out a signal, and the control module receives the signal and then controls the first double-shaft motor 25 to stop rotating anticlockwise, so that the distance between the two grinding wheels 2921 can be adjusted, and the device can be suitable for iron workpieces with different sizes. If the upper part of the grinding wheel 2921 is required to swing outwards, the constructor presses the first gear on the first boat-shaped switch 104, the second boat-shaped switch 106 sends a signal, the control module receives the signal and then controls the second dual-axis motor 294 to rotate clockwise to drive the keyed rotating rod 296 to rotate clockwise, so that the keyed rotating ring 2911 and the first conical gear 2912 are driven to rotate clockwise, the second conical gear 2916 and the third rotating rod 2915 are driven to rotate anticlockwise, the worm 2917 rotates anticlockwise, and therefore the left worm gear 2919 can rotate anticlockwise, the right worm gear 2919 rotates clockwise, and the upper part of the grinding wheel 2921 is driven to swing outwards through the rotating shaft 2918 and the mounting block 2920. When the upper portion of the grinding wheel 2921 swings outwards to a proper angle, a constructor presses down the second gear on the first boat-shaped switch 104, the second boat-shaped switch 106 sends out a signal, the control module receives the signal and then controls the second double-shaft motor 294 to stop rotating clockwise, if the upper portion of the grinding wheel 2921 swings inwards, the constructor presses down the third gear on the first boat-shaped switch 104, the second boat-shaped switch 106 sends out a signal, the control module receives the signal and then controls the second double-shaft motor 294 to rotate anticlockwise, the key-carrying rotating rod 296 is driven to rotate anticlockwise, the key-carrying rotating ring 2911 and the first conical gear 2912 are driven to rotate anticlockwise, the second conical gear 2916 and the third rotating rod 2915 are driven to rotate clockwise, the worm 2917 rotates clockwise, and therefore the left worm gear 2919 can rotate clockwise, the right-side worm gear 2918 rotates anticlockwise, and the upper portion of the grinding wheel 2921 is driven to swing inwards through the rotating shaft 2918 and the mounting block 2920. When the upper portion of the grinding wheel 2921 swings inwards to a proper angle, a construction worker presses the second gear on the first boat-shaped switch 104, the second boat-shaped switch 106 sends out a signal, and the control module receives the signal and then controls the second double-shaft motor 294 to stop rotating anticlockwise, so that the angle of the chamfer can be adjusted, and the chamfering machine can be suitable for different machining. After the angle of the grinding wheel 2921 is adjusted, the construction worker can first switch 103, first switch 103 sends out a signal, the control module receives the signal and then controls the driving motor 18 to work, the driving motor 18 drives the second gear 19 to rotate, thereby driving the first gear 17 to rotate, driving the first N-shaped frame 16 to rotate through the first rotating rod 15, rotating the grinding wheel 2921 along with the rotation, pressing the second switch 105 by a construction worker, sending a signal by the second switch 105, controlling the starting propulsion device 30 to drive the movable plate 8 to move upwards after receiving the signal by the control module, the clamping device 31 is driven to move upwards through the connecting block 10, the iron workpiece moves upwards along with the clamping device, the iron workpiece passes through the placing sleeve 12, when the ferrous workpiece moves upward into contact with the grinding wheel 2921, the grinding wheel 2921 can chamfer the ferrous workpiece, in this way, manual operations can be reduced, so that construction workers can be relaxed more easily, and the processing box 11 can block flying scraps, thereby avoiding injury to construction workers, and when the iron workpiece moves upward to touch the contact switch 295, the contact switch 295 sends out a signal, the control module receives the signal and controls the start-up propulsion device 30 to stop working for 4 seconds, and then the iron workpiece stops moving upwards, at this time, the iron workpiece is already chamfered, after 4 seconds, the pushing device 30 is started to drive the moving plate 8 to move downwards for 7 seconds, the iron workpiece is driven to move downwards, after 7 seconds, the pushing device 30 is started to stop working, at this time, the chamfered iron workpiece moves out of the placing sleeve 12, the constructor can control the clamping device 31 to loosen the chamfered iron workpiece, then the first switch 103 is pressed again, the first switch 103 sends out a signal, the control module receives the signal and then controls the driving motor 18 to stop working, and then the main power switch 102 is used for powering off the device.

The construction worker presses the second switch 105, the second switch 105 sends out a signal, the control module receives the signal and then controls the second electric control valve 305 and the third electric control valve 307 to be opened, meanwhile, the control module controls the air pump 3013 to work, external air is sucked into the high-pressure air box 3010 and then flows into the air cylinder 301 through the air guide pipe 3011 and the first air inlet pipe 306 below, the air pushes the piston 3014 to move upwards, redundant air is discharged from the second air outlet pipe 304, the upward movement of the piston 3014 drives the second push rod 3016 to move upwards, thereby driving the moving plate 8 to move upwards, the iron workpiece moves upwards along with the iron workpiece, the iron workpiece penetrates the placing sleeve 12, when the iron workpiece moves upwards to be in contact with the grinding wheel 2921, the grinding wheel 2921 can chamfer the iron workpiece, when the iron workpiece moves upwards to touch the contact switch 295, the contact switch 295 sends out signals, the control module receives the signals and then controls the second electric control valve 305 and the third electric control valve 307 to be closed, meanwhile, the control module controls the air pump 3013 to stop working for 4 seconds, then the iron workpiece stops moving upwards, after 4 seconds, the control module controls the first electric control valve 303 and the fourth electric control valve 309 to be opened for 7 seconds, meanwhile, the control module controls the air pump 3013 to work for 7 seconds, external air is sucked into the high-pressure air box 3010, then flows into the air cylinder 301 through the air guide pipe 3011 and the second air guide pipe 308 above, the air pushes the piston 3014 to move downwards, redundant air is discharged from the first air guide pipe 302, the piston 3014 moves downwards to drive the second push rod 3016 to move downwards, the iron workpiece moves downwards, after 7 seconds, the first electric control valve 303 and the fourth electric control valve 309 are closed, and the air pump 3013 stops working.

The construction worker puts the iron workpiece between the two clamping blocks 315, then presses the first button 3111, the first button 3111 sends out a signal, the control module receives the signal and then controls the third biaxial motor 318 to rotate clockwise, and the fifth rotating rod 317 and the second screw 319 are driven to rotate clockwise, so that the second nut 3110 is driven to move inwards, the second guide sleeve 313 is driven to move inwards, and the clamping blocks 315 are driven to move inwards through the moving rod 314. When the clamp block 315 moves inwards to clamp the iron workpiece, the third double-shaft motor 318 is excessively loaded to stop rotating clockwise, so that a construction worker can loosen the iron workpiece and then chamfer the iron workpiece. When the chamfering of the iron workpiece is finished, the construction worker presses the first button 3111 again, the first button 3111 sends out a signal, the control module receives the signal and then controls the third double-shaft motor 318 to rotate anticlockwise, the fifth rotating rod 317 and the second screw rod 319 are driven to rotate anticlockwise, the second nut 3110 is driven to move outwards, the second guide sleeve 313 is driven to move outwards, the clamping block 315 moves outwards along with the second guide sleeve 313, the iron workpiece with the chamfered angle is loosened, and when the second guide sleeve 313 moves outwards to be in contact with the second N-shaped frame 311, the third double-shaft motor 318 is overloaded to stop rotating anticlockwise.

When this device is electrified, control module control metal detecting head 321 work, construction worker puts the iron work piece between two clamp splice 315 again, and metal detecting head 321 detects the iron work piece, and metal detecting head 321 sends the signal, and control module control magnetic chuck 322 work after receiving the signal, hold the iron work piece, and construction worker can loosen the iron work, so, then need not construction worker and hold the iron work piece always, convenient and fast. When the third double-shaft motor 318 is excessively loaded to stop rotating clockwise, the control module controls the magnetic chuck 322 to stop working, and when the device is powered off, the metal detector 321 stops working.

The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims

1. The intelligent chamfering equipment for the building engineering subway workpieces comprises a wall hanging plate, a control box, a power supply main switch, a first boat-shaped switch, a second boat-shaped switch, an expansion screw, a connecting frame, a sliding rail, a sliding block, a first push rod, a moving plate, a connecting block, a processing box, a placing sleeve, a protecting box, a first bearing seat, a first rotating rod, a first N-shaped frame, a first gear, a driving motor, a second gear, a power receiving ring, a fixed block and an electrode, wherein the control box is arranged at the lower part of the right side of the wall hanging plate, the control box comprises a control module and a power supply module, the control module and the power supply module are connected in a circuit, the power supply main switch, the first boat-shaped switch and the second switch are sequentially arranged at the left part of the front side of the control box from top to bottom, the power supply main switch and the power supply module are connected in a circuit, the second boat-shaped switch is arranged at the right upper part of the front side of the control box, the upper part and the lower part of the wall hanging plate are both provided with mounting holes, an expansion screw is arranged in each mounting hole, a connecting frame is fixedly connected to the upper part of the right side of the wall hanging plate, a sliding rail with guiding function is arranged on the front side of the connecting frame in an embedded manner, a sliding block is arranged on the sliding rail in a sliding manner, a first push rod is connected to the bottom of the sliding block, the bottom end of the first push rod is connected with a movable plate, the right side of the movable plate is connected with a connecting block, the right side of the connecting block is provided with a clamping device, the left side of the connecting frame is provided with a starting propulsion device, the right side of the connecting frame is connected with a processing box, the protection box is fixedly connected to the top of the processing box, a placing sleeve is arranged in the bottom of the processing box in an embedded manner, a first bearing seat is arranged in the middle of the top of the processing box, a first rotary rod is fixedly connected to the bottom end of the first N-shaped frame, a first gear is arranged on the upper part of the first rotary rod, a driving motor is bolted to the right side of the top of the processing box, a second gear is arranged on the output shaft of the driving motor, the second gear is meshed with the first gear, the power receiving ring is arranged in the middle of the first rotating rod, the fixed block is connected to the left side of the top of the processing box, the fixed block and the driving motor are both positioned in the protection box, the right side of the fixed block is provided with an electrode, the electrode is contacted with the power receiving ring, the electrode and the power receiving ring are matched to supply power and transmit signals to electric elements on the first N-shaped frame, the device is characterized by further comprising a second bearing seat, a second rotating rod, a first double-shaft motor, a first lead screw, a first nut, a first guide rail, a first guide sleeve, a mounting rod, a connecting rod, a second double-shaft motor, a contact switch, a key rotating rod, a connecting seat, a third bearing seat, an L-shaped block, a fourth bearing seat, a rotating ring with a key groove, a first conical gear, an E-shaped frame, a fifth bearing seat, a third bearing seat, a second conical gear, a worm, a rotating shaft, a worm gear, a mounting block, a grinding wheel, a starting propulsion device and a clamping device, wherein the left side and the right side in the first N-shaped frame are respectively provided with a second bearing seat, the two double-shaft motor is connected to the second rotating rod, the first double-shaft motor is connected to the first double-shaft bearing seat, the first double-shaft motor is connected to the first double-shaft motor, the first guide sleeve is connected to the first double-shaft motor, the second guide rail is connected to the second guide sleeve, the second guide rail is connected to the second guide rail, the second guide rail is connected to the second double-shaft motor, the second guide rail is connected to the second guide rail, the second guide shafts is connected to the second guide rails, the two guide shafts and the second guide shafts are connected to the two guide shafts, and the two output shafts and the two guide shafts and the two output shafts and the left and the forward motor and the forward. The two connecting seats are respectively arranged at the left side and the right side of the bottom of the first N-shaped frame, the bottoms of the two connecting seats are respectively bolted with a third bearing seat, the left third bearing seat is connected with the left keyed rotating rod through interference, the right third bearing seat is connected with the right keyed rotating rod through interference, the bottoms of the two first guide sleeves are fixedly connected with L-shaped blocks, the bottoms of the two L-shaped blocks are respectively provided with a fourth bearing seat, key groove rotating rings are fixedly connected in the two fourth bearing seats, the two key groove rotating rings are respectively matched with the two keyed rotating rods, the two key groove rotating rings are respectively provided with a first conical gear, the lower part of the outer side of the mounting rod is fixedly connected with an E-shaped frame, three fifth bearing seats are embedded on the E-shaped frame, the third rotating rod is arranged in the fifth bearing seat above, the top end of the third rotating rod is provided with a second bevel gear, the second bevel gear is meshed with the first bevel gear, a worm is arranged between two fifth bearing seats below the second bevel gear, threads on the two worms are opposite, the top end of the worm is fixedly connected with the bottom end of the third rotating rod, the lower parts of the two mounting rods are respectively provided with two rotating shafts in a rotating way, the two worm gears are respectively arranged at the rear ends of the two rotating shafts, the two worm gears are respectively meshed with the two worms, the front parts of the two rotating shafts are respectively provided with a mounting block, the inner side of each mounting block is provided with a grinding wheel, the first double-shaft motor, the second double-shaft motor and the contact switch are connected with a power receiving ring in a circuit way, and the first switch, the first ship type switch, the second ship type switch, the driving motor and the electrode are connected with a control module in a circuit way; the starting propulsion device comprises a cylinder, a first exhaust pipe, a first electric control valve, a second exhaust pipe, a second electric control valve, a first air inlet pipe, a third electric control valve, a second air inlet pipe, a fourth electric control valve, a high-pressure air box, an air duct, a mounting seat, an air pump, a piston, a sealing ring and a second push rod, wherein the cylinder is mounted on the left side of the connecting frame, the right side of the bottom of the cylinder is connected with the first exhaust pipe, the first electric control valve is arranged in the first exhaust pipe, the right side of the top of the cylinder is connected with the second exhaust pipe, the second electric control valve is arranged in the second exhaust pipe, the left side of the bottom of the cylinder is connected with the first air inlet pipe, the third electric control valve is arranged in the first air inlet pipe, the left side of the top of the cylinder is connected with the second air inlet pipe, the fourth electric control valve is arranged in the second air inlet pipe, the high-pressure air box is mounted in the middle of the left side of the cylinder, the upper side and lower side of the high-pressure air box is connected with the second air duct, the lower air duct is connected with the first air inlet pipe, the air pump is mounted in the middle of the left side of the cylinder through the mounting seat, the right side of the air pump is connected with the left side of the high-pressure air box, the piston is arranged in the middle of the push rod, the second push rod is connected with the piston, the second bottom is connected with the second air control valve, the second piston and the fourth electric control valve passes through the second electric control valve and the first electric control valve.

2. The intelligent chamfering device for the building engineering subway workpieces is characterized in that the clamping device comprises a second N-shaped frame, a second guide rail, a second guide sleeve, a movable rod, clamping blocks, a sixth bearing seat, a fifth rotating rod, a third double-shaft motor, a second screw rod, a second nut and a first button, wherein the second N-shaped frame is fixedly connected to the right side of the connecting block, the second guide rail is installed on the inner side of the second N-shaped frame, two second guide sleeves are arranged on the second guide rail, the movable rod is fixedly connected to the rear sides of the two second guide sleeves, the clamping blocks are connected to the inner side of the movable rod, the sixth bearing seats are respectively embedded in the left side and the right side of the second N-shaped frame, the fifth rotating rod is respectively installed in the two sixth bearing seats, the second screw rods are respectively installed on the two fifth rotating rods, the threads on the two second screw rods are opposite, the second nuts are respectively arranged on the two second screw rods, the rear sides of the second nuts are fixedly connected with the front sides of the second guide sleeve, the middle part of the front side of the second N-shaped frame is fixedly connected with the third double-shaft motor, the output shaft motor is fixedly connected to the front sides of the third double-shaft motor, and the front ends of the first double-shaft motor are fixedly connected to the first control modules.

3. The intelligent chamfering device for the building engineering subway workpieces according to claim 2, further comprising a metal detection head, a magnetic chuck and a second button, wherein the metal detection head and the magnetic chuck are embedded in the left side of the clamping block on the right side, the metal detection head is positioned on the front side of the magnetic chuck, the second button is arranged on the right part of the front side of the second N-shaped frame, the second button is positioned on the left side of the first button, and the metal detection head, the magnetic chuck and the second button are all connected with the control module through wires.