CN110935947A - Chamfering machine for removing boiler pipe welding seam - Google Patents
Chamfering machine for removing boiler pipe welding seam Download PDFInfo
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- CN110935947A CN110935947A CN201911325579.8A CN201911325579A CN110935947A CN 110935947 A CN110935947 A CN 110935947A CN 201911325579 A CN201911325579 A CN 201911325579A CN 110935947 A CN110935947 A CN 110935947A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/08—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for flash removal
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Abstract
The invention provides a chamfering machine for removing a boiler tube weld joint, which comprises: the device comprises a cutter head, a lead-in device and a driving part, wherein a clamping mechanism is arranged at the rotating end of the driving part and used for fixing the cutter head and the lead-in device; when the cutting tool is used, the driving part is used for driving the clamping mechanism to rotate, the tool bit can be driven to rotate after the clamping mechanism rotates, the tool bit works after rotating, and the tool bit can cut the welding spot bulge between the steel plate and the boiler pipe; the guiding device is beneficial to the fact that the cutter head is always overlapped with the axis of the boiler pipe in the cutting process and cuts around the axis of the boiler pipe, so that the flatness and consistency in the cutting process are guaranteed, and the traditional situation that the upper surface of a steel plate is not flat after cutting is reduced; the tool bit is set as a stainless steel tool bit, and compared with the traditional oxyacetylene cutting knife, the tool bit has long service life and stronger cutting force, thereby improving the cutting efficiency.
Description
Technical Field
The invention relates to the technical field of boiler maintenance equipment, in particular to a chamfering machine for removing a boiler pipe weld joint.
Background
At present, in the production and processing of boilers or the process of overhauling and replacing pipe fittings, the boiler pipes and the steel plates need to be welded and fixed, and connecting convex blocks can appear at the welding positions of the boiler pipes and the steel plates. In the prior art, oxyacetylene cutting knife equipment is adopted to remove welding spots and remove bulges, but the oxyacetylene cutting knife is easy to cause the change of the steel plate material when being cut off; the traditional oxyacetylene cutting knife has the condition that the upper surface of a cut steel plate is not flat.
Disclosure of Invention
The invention provides a chamfering machine for removing a welding seam of a boiler pipe, which is used for reducing the traditional condition that the upper surface of a steel plate is not flat after cutting when a welding spot bulge generated in the welding process of the boiler pipe and the steel plate is cut.
The embodiment of the invention provides a chamfering machine for removing a boiler tube weld joint, which comprises: the device comprises a cutter head, a lead-in device and a driving part, wherein a clamping mechanism is arranged at the rotating end of the driving part and used for fixing the cutter head and the lead-in device; the device comprises at least two groups of cutter heads, wherein a leading-in device with a cylindrical structure is arranged between the cutter heads and is used for being inserted into a boiler pipe; and a cutting edge is arranged at one end of the cutter head far away from the clamping mechanism.
Preferably, an included angle is formed between the cutting edge and the lower surface of the cutter head.
Preferably, the boiler tubes and the introduction means are arranged coaxially. The rotation end of the driving part is provided with a protective cover.
Preferably, the introduction means comprises: the guide rod is fixed at the rotating end of the driving part through a clamping mechanism, the limiting device is arranged at one end far away from the driving part, and the limiting device is inserted into the boiler pipe.
Preferably, the limiting device comprises a limiting ring and a rotating ring, wherein the outer wall of the limiting ring is provided with a roller used for sliding on the inner wall of the boiler pipe, the rotating ring is arranged on the inner wall of the inner ring of the limiting ring, and the rotating ring is used for being connected with the leading-in device.
Preferably, an automatic adjusting device is arranged in the clamping mechanism, and the automatic adjusting device comprises: the clamping mechanism comprises a turnover mechanism and a limiting mechanism, wherein the turnover mechanism and the limiting mechanism are respectively connected with the clamping mechanism and are used for overturning and limiting the clamping mechanism.
Preferably, the turnover mechanism and the limiting mechanism are both installed in the housing, and the turnover mechanism comprises: the clamping mechanism comprises a first rotating wheel, a second rotating wheel, a first gear and a pressing ring, wherein the first rotating wheel and the second rotating wheel are fixedly connected into a whole through a first rotating shaft, the pressing ring is arranged on the lower surface of the first rotating wheel, a transmission gear is arranged on the upper surface of the second rotating wheel, the first gear is arranged on the transmission gear in a meshed mode, a second rotating shaft is arranged at one end, close to the first rotating wheel, of the first gear, the other end of the first gear is provided with a fourth rotating shaft, one end, far away from the first gear, of the fourth rotating shaft is connected with a clamping mechanism, and a limiting mechanism is arranged between the first gear and the clamping mechanism; the lower surface of the compression ring is in contact with the circumferential outer wall of the second rotating shaft; one end of the first rotating wheel, which is far away from the second rotating wheel, is connected with the rotating end of the first motor; the stop gear includes: the first connecting block is arranged on the circumferential outer wall of the fourth rotating shaft, the third rotating shaft is fixedly arranged on the first connecting block, the third rotating shaft penetrates through the first connecting block, and the axial center lines of the third rotating shaft and the fourth rotating shaft are vertically arranged; first fixing rods are arranged on two sides of the first connecting block at intervals, through holes are formed in the first fixing rods and are used for rotatably connecting third rotating shafts at two ends of the first connecting block, and one end, far away from the through holes, of the first connecting block is fixed on the inner wall of the shell; one end of the third rotating shaft is provided with a pull ring, a spring is fixed on the pull ring, the other end of the spring is connected onto a second connecting block, the second connecting block is fixedly arranged at the U-shaped opening end of the U-shaped frame, one side, far away from the opening end, of the U-shaped frame is connected with a pull rod, the pull rod is fixedly arranged on a second fixing rod, and the second fixing rod is fixed on the inner wall of the shell.
Preferably, a fifth rotating shaft is further arranged between the fourth rotating shaft and the clamping mechanism, the fifth rotating shaft is rotatably arranged on the fourth rotating shaft and fixedly connected with the clamping mechanism, a second gear is arranged on the circumferential outer wall of the fifth rotating shaft, a third gear is meshed with the circumferential outer wall of the second gear, the second gear and the third gear are bevel gears, one end of the third gear is connected with a second motor through a rotating shaft, and the other end of the third gear is rotatably arranged on the inner wall of the shell; the chucking mechanism includes: chuck and stop pin, the one end of chuck is provided with the draw-in groove, the fifth pivot is connected to the other end of chuck, be provided with the stop pin on the outer wall of chuck, the stop pin runs through the outer wall of chuck and extend to in the draw-in groove to it is spacing to the tool bit.
Preferably, the driving part is further provided with a controller, the controller comprises a control chip and a control circuit, and the control chip is connected with the rotating end of the driving part through the control circuit;
the control circuit includes: the LED lamp comprises resistors R, capacitor C, triode V, inductor L, and diodes D, one end of the resistor R is a first input end, the other end of the resistor R is connected with the anode of the diode D, the cathode of the diode D is connected with the inductor L, the other end of the inductor L is connected with the capacitor C, the other end of the capacitor C is respectively connected with the resistor R, the anode of the diode D and the base electrode of the triode V, the emitting electrode of the triode V is connected with the capacitor C, the other end of the capacitor C is connected with the resistor R, the other end of the resistor R is connected with the cathode of the diode D, the anode of the diode D is a, the other end of the resistor R3 is connected with a ground wire;
the other end of the resistor R6 is connected with a resistor R7, the other end of the resistor R7 is connected in parallel between a resistor R8 and a capacitor C5, the cathode of the diode D3 is connected with a resistor R4, the other end of the resistor R4 is connected with a capacitor C7, the other end of the capacitor C7 is connected with the anode of the diode D5, the cathode of the diode D5 is connected with the resistor R10, the other end of the resistor R10 is connected with the collector of a triode V3, a resistor R13 is connected in parallel between the collector of the triode V3 and the resistor R10, and the other end of the resistor R13 is a first output end;
a resistor R5 is connected between the cathode of the diode D3 and the resistor R4 in parallel, the other end of the resistor R5 is connected with the anode of a diode D4, the cathode of the diode D4 is connected with a capacitor C5, the other end of the capacitor C5 is connected with a resistor R8, the other end of the resistor R8 is connected with a capacitor C2, the other end of the capacitor C2 is connected with a resistor R9, the other end of the resistor R9 is connected with the anode of a diode D6, the cathode of the diode D6 is connected with the base of a triode V2, the collector of the triode V2 is connected with a resistor R12, the other end of the resistor R12 is connected with a resistor R68642, and the other end of the resistor R11 is connected with the base; the emitter of the triode V2 is connected with the anode of a diode D7, the cathode of the diode D7 is connected with a capacitor C8, the other end of the capacitor C8 is connected with a capacitor C6, and the other end of the capacitor C6 is connected between the base of the triode V3 and a resistor R11 in parallel; the emitter of the triode V3 is connected with the anode of a diode D8, the cathode of the diode D8 is connected with a resistor R14, and the other end of the resistor R14 is a second output end.
The working principle and the beneficial effects of the invention are as follows:
when the cutting tool is used, the driving part is used for driving the clamping mechanism to rotate, the tool bit can be driven to rotate after the clamping mechanism rotates, the tool bit works after rotating, and the tool bit can cut the welding spot bulge between the steel plate and the boiler pipe; the guiding device is beneficial to the fact that the cutter head is always overlapped with the axis of the boiler pipe in the cutting process and cuts around the axis of the boiler pipe, so that the flatness and consistency in the cutting process are guaranteed, and the traditional situation that the upper surface of a steel plate is not flat after cutting is reduced;
in addition, the cutter head is made of stainless steel, so that the service life is longer than that of a traditional oxyacetylene cutting knife, and the cutting force is stronger, so that the cutting efficiency is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
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 structural view of the present invention;
FIG. 2 is a schematic structural diagram of the introducing device of the present invention;
FIG. 3 is a control circuit diagram of the present invention;
FIG. 4 is a schematic view of the chuck structure of the present invention;
FIG. 5 is a schematic view of the connection structure of the turnover mechanism of the present invention;
FIG. 6 is a top view of the connection structure of the turnover mechanism and the limiting mechanism of the present invention;
FIG. 7 is a schematic view of a first fixing rod according to the present invention;
FIG. 8 is a schematic view of a connection structure of a fourth rotating shaft and a fifth rotating shaft according to the present invention;
wherein, 1-a driving part, 2-a clamping mechanism, 3-a cutter head, 4-a cutting edge, 5-a welding spot bulge, 6-a leading-in device, 7-a steel plate, 8-a boiler pipe, 9-a leading-in rod, 10-a limiting ring, 11-a rotating ring, 12-a roller, 13-a protective cover, 14-a first motor, 15-a first rotating wheel, 16-a pressing ring, 17-a first rotating shaft, 18-a second rotating wheel, 19-a second rotating shaft, 20-a driving gear, 22-a first gear, 23-a first connecting block, 24-a fourth rotating shaft, 25-a clamping groove, 26-a limiting nail, 27-a fifth rotating shaft, 28-a second gear, 29-a third gear, 30-a third rotating shaft, 31-a shell and 32-a first fixing rod, 33-a second fixing rod, 34-a pull rod, 35-a U-shaped frame, 36-a second connecting block, 37-a spring, 38-a pull ring, 39-a chuck, 41-a first cutting knife and 42-a second cutting knife.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
According to fig. 1, an embodiment of the present invention provides a chamfering machine for removing a boiler tube weld, including: the device comprises a cutter head 3, a lead-in device 6 and a driving part 1, wherein a clamping mechanism 2 is arranged at the rotating end of the driving part 1, and the clamping mechanism 2 is used for fixing the cutter head 3 and the lead-in device 6; the cutting heads 3 are arranged into at least two groups, a cylindrical guiding device 6 is arranged between the cutting heads 3, and the guiding device 6 is used for being inserted into a boiler pipe 8; and a cutting edge 4 is arranged at one end of the cutter head 3 far away from the clamping mechanism 2.
When the device is used, the driving part is used for driving the clamping mechanism to rotate, the clamping mechanism can drive the cutter head to rotate after rotating, the cutter head can work after rotating, and the cutter head can cut the welding spot bulge part 5 between the steel plate 7 and the boiler pipe 8; the arranged guiding device is beneficial to the fact that the cutter head is always overlapped with the axis of the boiler pipe 8 in the cutting process and cuts around the axis of the boiler pipe 8, so that the flatness and consistency in the cutting process are guaranteed, and the traditional condition that the upper surface of the cut steel plate 7 is uneven is reduced; in addition, the cutter head is made of stainless steel, so that the service life is longer than that of a traditional oxyacetylene cutting knife, and the cutting force is stronger, so that the cutting efficiency is improved.
The cutter heads are respectively arranged on two sides of the leading-in device and respectively drive the welding convex parts 5 to cut, so that the cutting parts can be cut more accurately and completely.
An included angle is formed between the cutting edge 4 and the lower surface of the cutter head 3. The cutting edge with establish the contained angle between the tool bit and can make the tool bit can be comparatively laborsaving when cutting cut, improves the life of cutting edge simultaneously.
According to fig. 1, the boiler tubes 8 and the introduction device 6 are arranged coaxially. The rotating end of the driving part is provided with a protective cover 13. Boiler pipe 8 with leading-in device 6 is coaxial, and coaxial setting does benefit to the condition of off-axis can not appear when the drive division cuts at the drive tool bit. The safety cover 13 is used for cutting the in-process, and the bits foam can not splash the purpose on one's body of workman for the bits foam can be in the safety cover all the time, the safety cover is established to the translucent cover body, can be so that the workman can be convenient look over the cutting condition.
As shown in fig. 1 and 2, the introduction device 6 includes: the boiler tube guiding device comprises a guiding-in rod 9 and a limiting device, wherein the guiding-in rod 9 is fixed at the rotating end of the driving part 1 through a clamping mechanism 2, the limiting device is arranged at one end far away from the driving part 1, and the limiting device is used for being inserted into a boiler tube.
The leading-in pole is used for inserting in the boiler pipe to make stop device can carry out spacingly at the inner wall of boiler pipe, make leading-in pole can be located the axle center of boiler pipe, then through the drive of drive division, realize the tool bit rotates, further realizes that the cutting edge carries out the purpose of cutting to the welding point bellying.
According to fig. 1 and 2, the limiting device comprises a limiting ring 10 and a rotating ring 11, wherein the outer wall of the limiting ring 10 is provided with rollers 12 for sliding on the inner wall of the boiler tube, the rotating ring 11 is arranged on the inner wall of the inner ring of the limiting ring 10, and the rotating ring 11 is used for connecting the lead-in device 6.
The limiting ring is used for being attached to the inner wall of the boiler pipe and can slide on the inner wall of the boiler pipe through the roller, and the roller is hinged with the limiting ring through the universal ball, so that the limiting ring can conveniently slide in when entering a pipeline, and the purpose that the limiting ring rotates on the inner wall of the pipeline in the circumferential direction around the inner wall of the pipeline is facilitated; the limiting ring and the rotating ring are axially and rotatably arranged, and the inner wall of the rotating ring is fixed on the guide-in rod, so that the guide-in rod drives the rotating ring and the limiting ring to rotate when rotating. Therefore, the purposes of guiding, rotating and cutting the welding point bulge parts can be achieved.
According to the illustration in fig. 3, the driving part is further provided with a controller, the controller comprises a control chip and a control circuit, and the control chip is connected with the rotating end of the driving part through the control circuit; the control circuit includes: the LED lamp comprises resistors R, capacitor C, triode V, inductor L, and diodes D, one end of the resistor R is a first input end, the other end of the resistor R is connected with the anode of the diode D, the cathode of the diode D is connected with the inductor L, the other end of the inductor L is connected with the capacitor C, the other end of the capacitor C is respectively connected with the resistor R, the anode of the diode D and the base electrode of the triode V, the emitting electrode of the triode V is connected with the capacitor C, the other end of the capacitor C is connected with the resistor R, the other end of the resistor R is connected with the cathode of the diode D, the anode of the diode D is a, the other end of the resistor R3 is connected with a ground wire; the other end of the resistor R6 is connected with a resistor R7, the other end of the resistor R7 is connected in parallel between a resistor R8 and a capacitor C5, the cathode of the diode D3 is connected with a resistor R4, the other end of the resistor R4 is connected with a capacitor C7, the other end of the capacitor C7 is connected with the anode of the diode D5, the cathode of the diode D5 is connected with the resistor R10, the other end of the resistor R10 is connected with the collector of a triode V3, a resistor R13 is connected in parallel between the collector of the triode V3 and the resistor R10, and the other end of the resistor R13 is a first output end; a resistor R5 is connected between the cathode of the diode D3 and the resistor R4 in parallel, the other end of the resistor R5 is connected with the anode of a diode D4, the cathode of the diode D4 is connected with a capacitor C5, the other end of the capacitor C5 is connected with a resistor R8, the other end of the resistor R8 is connected with a capacitor C2, the other end of the capacitor C2 is connected with a resistor R9, the other end of the resistor R9 is connected with the anode of a diode D6, the cathode of the diode D6 is connected with the base of a triode V2, the collector of the triode V2 is connected with a resistor R12, the other end of the resistor R12 is connected with a resistor R68642, and the other end of the resistor R11 is connected with the base; the emitter of the triode V2 is connected with the anode of a diode D7, the cathode of the diode D7 is connected with a capacitor C8, the other end of the capacitor C8 is connected with a capacitor C6, and the other end of the capacitor C6 is connected between the base of the triode V3 and a resistor R11 in parallel; the emitter of the triode V3 is connected with the anode of a diode D8, the cathode of the diode D8 is connected with a resistor R14, and the other end of the resistor R14 is a second output end.
The control circuit is a power supply control circuit, and the output end of the control circuit is connected with a control chip and used for providing a stable power supply signal for the control chip, so that the control chip can work normally, and the condition that a driving part fails due to unstable signals is reduced; meanwhile, the control circuit is divided into two paths of input and two paths of output, so that the control circuit can work more stably in the using process; the specific work is as follows: the driving part is set as a motor, the second input end is a motor control module input end, and the motor control module is used for controlling the rotating speed of the motor; the rotating speed of the motor is input to a second input end through the motor control module, the second input end is subjected to signal compression through the signal compression circuit and then is output to a first output end through the diode D3, the resistor R4, the diode D5, the triode V3 and the resistor R13, and the first output end is connected with the input end of the control chip; then, the output end of the control chip is connected with the first input end of the control circuit, and the first input end transmits the filtered signal to the triode V2 through the diodes D3 and D4; meanwhile, the signal of the second input end is transmitted to the triode V2 together through the triode V1, the resistor R6, the resistor R7 and the resistor R8, the triode V2 superposes and amplifies the signal, then transmits the signal to the triode V3, and then outputs the signal through the resistor R14 connected with the triode V3, the second output end is connected with the motor speed adjusting part, and the motor speed adjusting part transmits the execution information of the control chip to the motor speed adjusting part for speed adjustment after the control circuit realizes the current stabilization and filtering according to the speed output by the first input end, so that the purpose of automatically controlling the speed is realized.
As shown in fig. 4 to 8, an automatic adjusting device is provided in the clamping mechanism 2, and the automatic adjusting device includes: the turnover mechanism and the limiting mechanism are respectively connected with the clamping mechanism 2 and are used for overturning and limiting the clamping mechanism 2. Tilting mechanism with stop gear all installs in shell 31, tilting mechanism includes: the clamping device comprises a first rotating wheel 15, a second rotating wheel 18, a first gear 21 and a pressing ring 16, wherein the first rotating wheel 15 and the second rotating wheel 18 are fixedly connected into a whole through a first rotating shaft 17, the pressing ring 16 is arranged on the lower surface of the first rotating wheel 15, transmission teeth 20 are arranged on the upper surface of the second rotating wheel 18, the transmission teeth 20 are meshed with the first gear 21, a second rotating shaft 19 is arranged at one end, close to the first rotating wheel 15, of the first gear 21, a fourth rotating shaft 24 is arranged at the other end of the first gear 21, one end, far away from the first gear 21, of the fourth rotating shaft 24 is connected with a clamping mechanism 2, and a limiting mechanism is arranged between the first gear 21 and the clamping mechanism 2; the lower surface of the pressing ring 16 is in contact with the circumferential outer wall of the second rotating shaft 19; one end of the first rotating wheel 15, which is far away from the second rotating wheel 18, is connected with the rotating end of the first motor 14; the stop gear includes: the connecting structure comprises a first connecting block 23, a second connecting block 36, a third rotating shaft 30, a second fixing rod 33 and a pull rod 34, wherein the first connecting block 23 is arranged on the circumferential outer wall of the fourth rotating shaft 24, the first connecting block 23 is fixedly provided with the third rotating shaft 30, the third rotating shaft 30 penetrates through the first connecting block 23, and the axial center lines of the third rotating shaft 30 and the fourth rotating shaft 24 are vertically arranged; first fixing rods 32 are arranged on two sides of the first connecting block 23 at intervals, through holes are formed in the first fixing rods 32, the through holes are used for rotatably connecting the third rotating shafts 30 at two ends of the first connecting block 23, and one end, far away from the through holes, of the first connecting block 23 is fixed on the inner wall of the shell 31; one end of the third rotating shaft 30 is provided with a pull ring 38, a spring 37 is fixed on the pull ring 38, the other end of the spring 37 is connected to a second connecting block 36, the second connecting block 36 is fixedly arranged at a U-shaped opening end of a U-shaped frame 35, one side of the U-shaped frame 35 far away from the opening end is connected with a pull rod 34, the pull rod 34 is fixedly arranged on a second fixing rod 33, and the second fixing rod 33 is fixed on the inner wall of the shell 31.
A fifth rotating shaft 27 is further arranged between the fourth rotating shaft 24 and the clamping mechanism, the fifth rotating shaft 27 is rotatably arranged on the fourth rotating shaft 24, the fifth rotating shaft 27 is fixedly connected with the clamping mechanism, a second gear 28 is arranged on the circumferential outer wall of the fifth rotating shaft 27, a third gear 29 is meshed with the circumferential outer wall of the second gear 28, the second gear 28 and the third gear 29 are set to be bevel gears, one rotating shaft at one end of the third gear 29 is connected with a second motor, and the rotating shaft at the other end of the third gear 29 is rotatably arranged on the inner wall of the shell 31; the chucking mechanism includes: chuck 39 and stop pin 26, the one end of chuck 39 is provided with draw-in groove 25, fifth pivot 27 is connected to the other end of chuck 39, be provided with stop pin 26 on the outer wall of chuck 39, stop pin 26 runs through the outer wall of chuck 39 and extend to in the draw-in groove 25 for it is spacing to tool bit 3.
According to fig. 8, two fifth rotating shafts 27 are arranged on the fourth rotating shaft 24, the fifth rotating shafts 27 are arranged on the fourth rotating shaft 24 at intervals and rotatably, one ends of the fifth rotating shafts 27 far away from the fourth connecting rod 24 are respectively connected with a first cutting knife 41 and a second cutting knife 42 through chucks 39, and the fifth rotating shafts are respectively engaged and driven through a second gear and a third gear.
When the cutting tool is used, the second motor is firstly utilized to drive the third gear to rotate, the second gear can be driven to rotate after the third gear rotates, the fifth rotating shaft is driven to rotate after the second gear rotates, the first cutting knife or the second cutting knife can be driven to rotate after the fifth gear rotates, and therefore the purpose of cutting the welding spot protruding part is achieved;
however, in the cutting process, because the positions of the welding spot convex parts are different, and the cutting of the cutter head can cause the situation that part of the positions cannot be completely cut off, especially when the space is limited, the situation that the cutter head cannot completely cut off the welding spot convex parts is very easy to cause; therefore, the turnover mechanism can turn over the arranged first cutting knife and the second cutting knife, and the first cutting knife and the second cutting knife can be replaced to cut the welding spot protruding parts, so that the purpose of selectively cutting the welding spot protruding parts by using the knife heads according to the space and the cutting positions can be realized, and the purpose of cleanly cutting the welding spot protruding parts can be ensured.
When the first cutting knife or the second cutting knife needs to be switched, the second motor is started firstly, the second motor drives the first rotating wheel to rotate after being started, the second rotating wheel is driven to rotate through the first rotating shaft after the first rotating wheel rotates, and after the first rotating wheel and the second rotating wheel both rotate, the second rotating shaft is pressed by the pressing ring arranged below the first rotating wheel all the time; moreover, when the transmission gear arranged on the upper surface of the second rotating wheel is meshed with the first gear connected to the second rotating shaft in the rotating process, the second rotating shaft is rotated, and the fourth rotating shaft connected to the other end of the second rotating shaft is driven to rotate along with the transmission gear, two fifth rotating shafts symmetrically arranged along the axial center line of the fourth rotating shaft are arranged on the fourth rotating shaft and can be overturned along with the fourth rotating shaft, so that the positions of the first cutting knife and the second cutting knife are overturned, and the purpose of switching the first cutting knife and the second cutting knife can be realized; because the tool bits set up to two sets ofly, just can make and overturn and switch between two first cutters and the second cutter to realize cutting the purpose clean to the welding spot bellying.
The fourth rotating shaft is connected with the second rotating shaft into a whole, the fourth rotating shaft is rotatably arranged on the first connecting block, the limiting mechanism is used for limiting the position, in a horizontal state in a figure 5, of the fourth rotating shaft connected to the first connecting block, when the limiting mechanism works, the first connecting block can shake along with the meshing of the transmission gear and the first gear, the tool bit can shake, and therefore the tool bit can possibly deflect, therefore, the third rotating shaft is limited through the arranged first fixing rod, and the first connecting block can be in a fixed horizontal position; and, through the second dead lever, pull rod and the spring will the third pivot is taut for after the shake condition appears, can have a taut power to strain the third pivot, can also reduce the third pivot and shake along with the meshing of first gear appears and cause the shake condition to appear in the fourth pivot, improved greatly from this the stability of tool bit in the use.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A chamfering machine for removing a boiler tube weld, comprising: the device comprises a cutter head (3), a lead-in device (6) and a driving part (1), wherein a clamping mechanism (2) is arranged at the rotating end of the driving part (1), and the clamping mechanism (2) is used for fixing the cutter head (3) and the lead-in device (6); the device is characterized in that at least two groups of tool bits (3) are arranged, a cylindrical-structure lead-in device (6) is arranged between the tool bits (3), and the lead-in device (6) is used for being inserted into a boiler pipe (8); and a cutting edge (4) is arranged at one end of the cutter head (3) far away from the clamping mechanism (2).
2. The chamfering machine for removing boiler pipe welds according to claim 1, characterized in that an included angle is provided between the cutting edge (4) and the lower surface of the cutter head (3).
3. The chamfering machine for removing boiler tube welds of claim 1, characterized in that the boiler tubes (8) and the lead-in devices (6) are coaxially arranged.
4. The chamfering machine for removing boiler tube welds according to claim 1, characterized in that the introducing means (6) includes: the boiler tube guiding device comprises a guiding-in rod (9) and a limiting device, wherein the guiding-in rod (9) is fixed at the rotating end of the driving part (1) through a clamping mechanism (2), the limiting device is arranged at one end far away from the driving part (1), and the limiting device is used for being inserted into a boiler tube (8).
5. The chamfering machine for removing the boiler tube weld according to claim 1, wherein the limiting device comprises a limiting ring (10) and a rotating ring (11), rollers (12) for sliding on the inner wall of the boiler tube are provided on the outer wall of the limiting ring (10), the rotating ring (11) is provided on the inner wall of the inner ring of the limiting ring (10), and the rotating ring (11) is used for connecting the lead-in device (6).
6. The chamfering machine for removing a boiler tube weld according to claim 1, wherein the rotating end of the driving part (1) is provided with a protective cover (13).
7. The chamfering machine for removing boiler tube welds according to claim 1, characterized in that an automatic adjusting device is provided in the clamping mechanism (2), the automatic adjusting device comprising: the clamping mechanism comprises a turnover mechanism and a limiting mechanism, wherein the turnover mechanism and the limiting mechanism are respectively connected with the clamping mechanism (2) and are used for overturning and limiting the clamping mechanism (2).
8. The chamfering machine for removing boiler pipe welds of claim 7, wherein the turnover mechanism and the limiting mechanism are both mounted within a housing (31), the turnover mechanism comprising: the clamping mechanism comprises a first rotating wheel (15), a second rotating wheel (18), a first gear (21) and a pressing ring (16), wherein the first rotating wheel (15) and the second rotating wheel (18) are fixedly connected into a whole through a first rotating shaft (17), the pressing ring (16) is arranged on the lower surface of the first rotating wheel (15), transmission teeth (20) are arranged on the upper surface of the second rotating wheel (18), the first gear (21) is arranged on the transmission teeth (20) in a meshed mode, a second rotating shaft (19) is arranged at one end, close to the first rotating wheel (15), of the first gear (21), a fourth rotating shaft (24) is arranged at the other end of the first gear (21), one end, far away from the first gear (21), of the fourth rotating shaft (24) is connected with the clamping mechanism (2), and a limiting mechanism is arranged between the first gear (21) and the clamping mechanism (2); the lower surface of the pressing ring (16) is in contact with the circumferential outer wall of the second rotating shaft (19); one end of the first rotating wheel (15) far away from the second rotating wheel (18) is connected with the rotating end of the first motor (14);
the stop gear includes: the connecting structure comprises a first connecting block (23), a second connecting block (36), a third rotating shaft (30), a second fixing rod (33) and a pull rod (34), wherein the first connecting block (23) is arranged on the circumferential outer wall of the fourth rotating shaft (24), the first connecting block (23) is fixedly provided with the third rotating shaft (30), the third rotating shaft (30) penetrates through the first connecting block (23), and the axial center lines of the third rotating shaft (30) and the fourth rotating shaft (24) are vertically arranged;
first fixing rods (32) are arranged on two sides of the first connecting block (23) at intervals, through holes are formed in the first fixing rods (32), the through holes are used for rotatably connecting third rotating shafts (30) at two ends of the first connecting block (23), and one end, far away from the through holes, of the first connecting block (23) is fixed on the inner wall of the shell (31);
one end of the third rotating shaft (30) is provided with a pull ring (38), a spring (37) is fixed on the pull ring (38), the other end of the spring (37) is connected onto a second connecting block (36), the second connecting block (36) is fixedly arranged at the U-shaped opening end of a U-shaped frame (35), one side, away from the opening end, of the U-shaped frame (35) is connected with a pull rod (34), the pull rod (34) is fixedly arranged on a second fixing rod (33), and the second fixing rod (33) is fixed on the inner wall of the shell (31).
9. The chamfering machine for removing the boiler tube weld according to claim 8, wherein a fifth rotating shaft (27) is further disposed between the fourth rotating shaft (24) and the clamping mechanism, the fifth rotating shaft (27) is rotatably disposed on the fourth rotating shaft (24), the fifth rotating shaft (27) and the clamping mechanism are fixedly connected, a second gear (28) is disposed on a circumferential outer wall of the fifth rotating shaft (27), a third gear (29) is engaged with a circumferential outer wall of the second gear (28), the second gear (28) and the third gear (29) are bevel gears, one end of the third gear (29) is rotatably connected with a second motor, and the other end of the third gear (29) is rotatably disposed on an inner wall of a housing (31);
the chucking mechanism includes: chuck (39) and stop pin (26), the one end of chuck (39) is provided with draw-in groove (25), fifth pivot (27) are connected to the other end of chuck (39), be provided with stop pin (26) on the outer wall of chuck (39), stop pin (26) run through the outer wall of chuck (39) and extend to in draw-in groove (25) for it is spacing to tool bit (3).
10. The chamfering machine for removing the boiler tube weld according to claim 1, wherein the driving part (1) is further provided with a controller, the controller comprises a control chip and a control circuit, and the control chip is connected with the rotating end of the driving part (1) through the control circuit;
the control circuit includes: the LED lamp comprises resistors R, capacitor C, triode V, inductor L, and diodes D, one end of the resistor R is a first input end, the other end of the resistor R is connected with the anode of the diode D, the cathode of the diode D is connected with the inductor L, the other end of the inductor L is connected with the capacitor C, the other end of the capacitor C is respectively connected with the resistor R, the anode of the diode D and the base electrode of the triode V, the emitting electrode of the triode V is connected with the capacitor C, the other end of the capacitor C is connected with the resistor R, the other end of the resistor R is connected with the cathode of the diode D, the anode of the diode D is a, the other end of the resistor R3 is connected with a ground wire;
the other end of the resistor R6 is connected with a resistor R7, the other end of the resistor R7 is connected in parallel between a resistor R8 and a capacitor C5, the cathode of the diode D3 is connected with a resistor R4, the other end of the resistor R4 is connected with a capacitor C7, the other end of the capacitor C7 is connected with the anode of the diode D5, the cathode of the diode D5 is connected with the resistor R10, the other end of the resistor R10 is connected with the collector of a triode V3, a resistor R13 is connected in parallel between the collector of the triode V3 and the resistor R10, and the other end of the resistor R13 is a first output end;
a resistor R5 is connected between the cathode of the diode D3 and the resistor R4 in parallel, the other end of the resistor R5 is connected with the anode of a diode D4, the cathode of the diode D4 is connected with a capacitor C5, the other end of the capacitor C5 is connected with a resistor R8, the other end of the resistor R8 is connected with a capacitor C2, the other end of the capacitor C2 is connected with a resistor R9, the other end of the resistor R9 is connected with the anode of a diode D6, the cathode of the diode D6 is connected with the base of a triode V2, the collector of the triode V2 is connected with a resistor R12, the other end of the resistor R12 is connected with a resistor R68642, and the other end of the resistor R11 is connected with the base; the emitter of the triode V2 is connected with the anode of a diode D7, the cathode of the diode D7 is connected with a capacitor C8, the other end of the capacitor C8 is connected with a capacitor C6, and the other end of the capacitor C6 is connected between the base of the triode V3 and a resistor R11 in parallel; the emitter of the triode V3 is connected with the anode of a diode D8, the cathode of the diode D8 is connected with a resistor R14, and the other end of the resistor R14 is a second output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911325579.8A CN110935947B (en) | 2019-12-20 | 2019-12-20 | Chamfering machine for removing boiler pipe welding seam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911325579.8A CN110935947B (en) | 2019-12-20 | 2019-12-20 | Chamfering machine for removing boiler pipe welding seam |
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| CN110935947A true CN110935947A (en) | 2020-03-31 |
| CN110935947B CN110935947B (en) | 2021-03-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523444A (en) * | 2021-09-03 | 2021-10-22 | 南通宏耀锅炉辅机有限公司 | Chamfering machine for removing boiler pipe welding seam |
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| CN207900382U (en) * | 2018-01-11 | 2018-09-25 | 广州市嘉跃船舶工程有限公司 | A kind of beveler for removing boiler tube weld seam |
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| US4084484A (en) * | 1976-06-24 | 1978-04-18 | Leonid Pavlovich Shklyanov | Device for removing internal circular flash |
| CN2142241Y (en) * | 1992-12-15 | 1993-09-15 | 唐国诚 | Wound rotor induction starting speed regulator for motor |
| CN201070678Y (en) * | 2007-06-27 | 2008-06-11 | 扬州大学 | Deep hole combined boring tool with support vibration absorber |
| CN201815682U (en) * | 2010-10-08 | 2011-05-04 | 德州普利森机床有限公司 | Boring head with guide device |
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| CN113523444A (en) * | 2021-09-03 | 2021-10-22 | 南通宏耀锅炉辅机有限公司 | Chamfering machine for removing boiler pipe welding seam |
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| CN110935947B (en) | 2021-03-16 |
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