CN114074256A - Large inner diameter machining device for super-long workpiece of large circular tube - Google Patents
Large inner diameter machining device for super-long workpiece of large circular tube Download PDFInfo
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- CN114074256A CN114074256A CN202111457915.1A CN202111457915A CN114074256A CN 114074256 A CN114074256 A CN 114074256A CN 202111457915 A CN202111457915 A CN 202111457915A CN 114074256 A CN114074256 A CN 114074256A
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- 238000003754 machining Methods 0.000 title claims abstract description 32
- 230000033001 locomotion Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 8
- 210000000078 claw Anatomy 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 230000007547 defect Effects 0.000 abstract description 6
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004049 embossing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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Abstract
The invention discloses a large-inner-diameter machining device for an ultra-long workpiece of a large circular tube, which comprises a main shaft, wherein the main shaft is connected with a driving assembly, the driving assembly can drive the main shaft to rotate, a machining assembly is sleeved on the main shaft, a screw rod assembly is also arranged between the main shaft and the machining assembly, the screw rod assembly can drive the machining assembly to reciprocate along the direction of the main shaft, in the reciprocating movement process, a machining cutter of the machining assembly can machine the inner wall of the circular tube, a supporting assembly is also arranged on the main shaft, and the supporting assembly can enable the main shaft to be positioned in the axis direction of the circular tube. Realized the processing to the pipe inner wall, for the processing of pipe provides convenience, also guaranteed the quality of processing, remedied the limitation of traditional lathe work mother machine in self design to the defect and the not enough of the machining capacity on large-scale workpiece equipment, the advantage of this equipment lies in simple structure, easy to operate does not receive the place restriction moreover, and the processing equipment itself is intraductal or downthehole operation.
Description
Technical Field
The invention relates to the field of processing of large circular pipes, in particular to a large inner diameter processing device for an ultra-long workpiece of a large circular pipe.
Background
The machining of the inside of a circular tube is a common machining process in factories. However, when machining the inner diameter of a large circular pipe, a large inner diameter workpiece and an ultra-long workpiece, a horizontal lathe and a vertical lathe are adopted, and both the horizontal lathe and the vertical lathe cannot perform machining operation due to the structural design of the horizontal lathe and the vertical lathe.
Therefore, the inventor of the present invention aims to provide a large inner diameter machining device for an ultra-long workpiece of a large circular pipe.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide a large inner diameter processing device for an ultra-long workpiece of a large circular tube.
In order to achieve the above purposes, the invention adopts the technical scheme that: the utility model provides a big inner diameter processingequipment that is used for overlength work piece of large-scale pipe, includes the main shaft, drive assembly is connected to the main shaft, drive assembly can drive the main shaft rotatory the processing subassembly is established to the cover on the main shaft, and still sets up the lead screw subassembly between main shaft and processing subassembly, the lead screw subassembly can drive the processing subassembly and carry out reciprocating motion along the main shaft direction to at reciprocating motion's in-process, the processing sword of processing subassembly can be processed the pipe inner wall, is in simultaneously still set up supporting component on the main shaft, supporting component enables the axle center direction that the main shaft is located the pipe.
Preferably, the main shaft is provided with two guide rails, the two guide rails are symmetrically arranged on two sides of the main shaft, the guide rails are sleeved with the sliding blocks, and the sliding blocks are connected with the machining assembly. Namely, the stability of the machining assembly in moving along the main shaft direction is ensured.
Preferably, the processing subassembly includes the processing frame, the processing frame is four blade holders of star type, and four processing swoves of the circumferencial direction evenly distributed of processing frame, just the processing sword is connected through the lock blade holder with the processing frame, sets up feed adjusting screw on the lock blade holder simultaneously, feed adjusting screw can adjust the length that exposes of processing sword. The four processing cutters are respectively adjusted in cutting length through the cutting adjusting screw rods, and then are linked through rotation of the main shaft, so that the processing of the processing cutters on the inner wall of the circular pipe can be realized.
Preferably, the screw assembly comprises a ball screw, the ball screw is arranged on the main shaft and is parallel to the main shaft, a ball nut is sleeved on the ball screw and is connected with the processing frame of the processing assembly, and meanwhile, the ball screw is connected with a screw motor. Ball screw can rotate through two mount pads and set up on the main shaft, and the mount pad is connected with the main shaft, and the main shaft rotates and sets up in the mount pad, and the main shaft is parallel with ball screw, through lead screw motor drive ball screw, ball nut can move along the ball screw direction, and ball screw is parallel with the axis of main shaft, so can drive the axis direction that the processing frame also followed the main shaft and remove, has realized the continuous processing to the pipe inner wall then.
Preferably, the driving assembly comprises an oil pressure motor, the oil pressure motor is connected with a speed reducer, and the oil pressure motor is connected with the main shaft through a coupling. Namely, the driving of the main shaft is realized through the driving component.
Preferably, the supporting component comprises a supporting fixing frame, the supporting fixing frame is sleeved on the main shaft through a bearing, a plurality of movable supporting claws are arranged on the supporting fixing frame, and the movable supporting claws are arranged along the inner diameter direction of the circular tube. The length is prolonged through the eight movable supporting claws, so that the supporting of the inner wall of the circular pipe is ensured, and the stability of the large inner diameter of the large circular pipe during processing is ensured. The movable supporting claw can be of a structure similar to a jack, the jack is radially arranged, a jacking block is arranged at the end part of the jack, and the movable supporting claw is similar to an embossing block and guarantees stable support for the inside of a large circular pipe. The supporting fixing seat rotates through the bearing, when the main shaft rotates, the inner ring of the bearing rotates, the outer ring and the supporting fixing frame are relatively fixed, stable support for the inner side of the circular tube is guaranteed, the inner ring of the bearing and the main shaft can be arranged in a sliding mode, namely, a sliding groove is formed in the inner ring of the bearing and sleeved on a guide rail of the main shaft, and after a part of the inner part of the circular tube is machined, the supporting assembly is forced to move through movement of the machining frame of the machining assembly, and then the previous supporting part is machined; if the inner ring of the bearing and the main shaft are fixedly arranged, the processing device needs to be integrally moved to process the previous supporting position, and therefore a proper arrangement mode is selected according to actual requirements.
Preferably, the main shaft is provided with three groups of supporting assemblies, the left end, the right end and the middle of the main shaft are respectively provided with one group, meanwhile, the main shaft is provided with two groups of processing assemblies, and the two groups of processing assemblies are respectively positioned between the two adjacent groups of supporting assemblies. The inside of pipe is supported through supporting component promptly, then in supporting stable space, processes through the processing subassembly (add man-hour, two sets of processing subassemblies of both sides remove to the supporting component direction at middle part simultaneously, realize simultaneous processing), has guaranteed going on smoothly of processing, especially adds man-hour to the pipe of the overlength of large-scale major diameter, and the effect of this kind of scheme is more showing.
The diameter of a main shaft is 850MM, the length of the main shaft is 10-12 m, the power transmission is controlled by a large speed reducer with a variable frequency motor, the feeding structure of a screw rod assembly adopts a double-sided double-screw double-step motor to perform synchronous feeding motion, a processing frame of a processing cutter adopts a high-strength aluminum alloy 4-cutter synchronous feeding mode, a supporting assembly adopts a deep groove ball bearing, a set of inner hole processing technology similar to lathe and boring and milling processing is formed by the components, and the same type of products cannot be compared in the market.
The large inner diameter processing device for the super-long workpiece of the large circular tube has the advantages that, through the mutual matching of the driving assembly, the processing assembly, the screw rod assembly and the processing assembly, the processing of the inner wall of the circular tube is realized, the convenience is provided for the processing of large-sized, large-diameter and over-length circular tubes, the processing quality is also ensured, the defects and the defects of the limitation of the traditional lathe working master machine on the design of the processing capacity on large-sized workpiece equipment are overcome, because the traditional machine tool has limited the processing capacity in the structural design, the design concept of the equipment is special processing equipment designed for processing inner holes of large-sized and long workpieces, the equipment has the advantages of simple structure and easy operation, and is not site-limited, most notably because the processing equipment itself is operating within the pipe or bore.
Drawings
Fig. 1 is a schematic structural view of a large inner diameter machining apparatus for an ultra-long workpiece for a large round pipe.
Fig. 2 is a schematic view of a support assembly.
Fig. 3 is a schematic view of the processing device inside the circular tube.
Fig. 4 is a schematic view in the direction B-B of fig. 3.
In the figure:
1. a main shaft 2, a driving component 3, a processing component 4, a screw rod component 5, a supporting component 6, a guide rail 7 and a slide block,
21. an oil pressure motor 22, a speed reducer 23, a coupling,
31. a processing knife 32, a processing frame 33, a lock knife seat 34, a feed adjusting screw,
41. a ball screw, 42, a ball nut,
51. a supporting fixing frame 52, a bearing 53 and a movable supporting claw.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1-4, the large inner diameter processing device for an ultra-long workpiece of a large circular tube in this embodiment includes a main shaft 1, the main shaft 1 is connected to a driving assembly 2, the driving assembly 2 can drive the main shaft 1 to rotate, a processing assembly 3 is sleeved on the main shaft 1, a screw rod assembly 4 is further disposed between the main shaft 1 and the processing assembly 3, the screw rod assembly 4 can drive the processing assembly 3 to reciprocate along the direction of the main shaft 1, in the process of reciprocating, a processing knife 31 of the processing assembly 3 can process the inner wall of the circular tube, a supporting assembly 5 is further disposed on the main shaft 1, and the supporting assembly 5 can enable the main shaft 1 to be located in the axial direction of the circular tube.
Set up guide rail 6 on the main shaft 1, and guide rail 6 sets up two, and the symmetry lies in the both sides of main shaft 1, and slider 7 is established to the cover on the guide rail 6, and slider 7 is connected with processing subassembly 3. I.e. to ensure stability of the machining assembly 3 when it is moved in the direction of the main shaft 1.
The processing assembly 3 comprises a processing frame 32, the processing frame 32 is a star-shaped four-knife holder, four processing knives 31 are uniformly distributed in the circumferential direction of the processing frame 32, the processing knives 31 are connected with the processing frame 32 through a knife locking holder 33, a knife feeding adjusting screw 34 is arranged on the knife locking holder 33, and the exposed length of the processing knives 31 can be adjusted by the knife feeding adjusting screw 34. The four processing cutters 31 respectively adjust the cutting feed length through the cutting feed adjusting screw rods 34, and then are linked through the rotation of the main shaft 1, so that the processing of the inner wall of the circular tube by the processing cutters 31 can be realized.
The screw assembly 4 comprises a ball screw 41, the ball screw 41 is arranged on the main shaft 1, the ball screw 41 and the main shaft 1 are arranged in parallel, a ball nut 42 is sleeved on the ball screw 41, the ball nut 42 is connected with the processing frame 32 of the processing assembly 3, and meanwhile, a screw motor is connected onto the ball screw 41. The ball screw 41 can be rotationally arranged on the main shaft 1 through the two mounting seats, the mounting seats are connected with the main shaft 1, the main shaft 1 is rotationally arranged in the mounting seats, the main shaft 1 is parallel to the ball screw 41, the ball screw 41 is driven by the screw motor, the ball nut 42 can move along the direction of the ball screw 41, the axes of the ball screw 41 and the main shaft 1 are parallel, so that the machining frame 32 can be driven to move along the axis direction of the main shaft 1, and then the continuous machining of the inner wall of the circular tube is realized.
The drive unit 2 includes a hydraulic motor 21, the hydraulic motor 21 is connected to a speed reducer 22, and the hydraulic motor 21 is connected to the main shaft 1 through a coupling 23. I.e. the drive of the spindle 1 is effected by means of the drive assembly 2.
The supporting component 5 comprises a supporting fixed frame 51, the supporting fixed frame 51 is sleeved on the main shaft 1 through a bearing 52, a plurality of movable supporting claws 53 are arranged on the supporting fixed frame 51, and the plurality of movable supporting claws 53 are arranged along the inner diameter direction of the circular tube. Namely, the length of the eight movable supporting claws 53 is prolonged, so that the inner wall of the circular tube is supported, and the stability of the large inner diameter of the large circular tube during processing is ensured. The movable supporting claw 53 may be a jack structure, the jack is radially arranged, and a jacking block is arranged at the end of the jack, so as to ensure stable support of the inside of the large circular pipe. The supporting fixed seat rotates through the bearing 52, when the main shaft 1 rotates, the inner ring of the bearing 52 rotates, the outer ring and the supporting fixed frame 51 are relatively fixed, stable support for the inner side of the circular tube is guaranteed, the inner ring of the bearing 52 and the main shaft 1 can be arranged in a sliding mode, namely, a sliding groove is formed in the inner ring of the bearing 52 and is sleeved on the guide rail 6 of the main shaft 1, and after a part of the inner part of the circular tube is machined, the supporting component 5 is forced to displace through the movement of the machining frame 32 of the machining component 3, and then the previous supporting part is machined; if the inner ring of the bearing 52 and the main shaft 1 are fixedly arranged, the machining device needs to be integrally moved to machine the previous supporting position, so that a proper arrangement mode is selected according to actual requirements.
Three sets of supporting components 5 are arranged on the main shaft 1, a set of supporting components is arranged at the left end, the right end and the middle of the main shaft 1 respectively, two sets of processing components 3 are arranged on the main shaft 1, and the two sets of processing components 3 are respectively positioned between the two adjacent sets of supporting components 5. Support the inside of pipe promptly through supporting component 5, then in supporting stable space, process through processing subassembly 3 (add man-hour, two sets of processing subassemblies 3 of both sides are simultaneously to 5 directions movements of supporting component at middle part, realize simultaneous processing), guaranteed going on smoothly of processing, especially add man-hour to the pipe of the overlength of large-scale major diameter, the effect of this kind of scheme is more showing.
The diameter of a main shaft 1 is 850MM, the length of the main shaft 1 is 10-12 m, the power transmission is controlled by a large speed reducer 22 with a variable frequency motor, the feeding structure of a screw rod assembly 4 adopts a double-side double-screw double-step motor to perform synchronous feeding motion, a processing frame 32 of a processing cutter 31 adopts a high-strength aluminum alloy 4 cutter synchronous feeding mode, a support assembly 5 adopts a deep groove ball bearing 52, a set of inner hole processing technology similar to lathe and boring and milling processing is formed by the components, and the same type of products cannot be compared in the market.
The large inner diameter processing device for the ultra-long workpiece of the large circular tube has the advantages that the driving assembly 2, the processing assembly 3, the screw rod assembly 4 and the processing assembly 3 are mutually matched, the processing of the inner wall of the circular tube is realized, the processing of the large, large-diameter and ultra-long circular tube is facilitated, the processing quality is ensured, the defect and the defect of the limitation of the traditional lathe working machine on the design on the processing capacity of large workpiece equipment are overcome, because the traditional machine tool has limited the processing capacity in the structural design, the design concept of the equipment is special processing equipment designed for processing inner holes of large-sized and long workpieces, the equipment has the advantages of simple structure and easy operation, and is not site-limited, most notably because the processing equipment itself is operating within the pipe or bore.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (7)
1. A big internal diameter processingequipment that is used for overlength work piece of large-scale pipe which characterized in that: including the main shaft, drive assembly is connected to the main shaft, drive assembly can drive the main shaft rotatory processing subassembly is established to the cover on the main shaft, and still sets up the lead screw subassembly between main shaft and processing subassembly, the lead screw subassembly can drive processing subassembly and carry out reciprocating motion along the main shaft direction to at reciprocating motion's in-process, processing subassembly's processing sword can be processed the pipe inner wall, is in simultaneously still set up supporting component on the main shaft, supporting component enables the main shaft and is located the axle center direction of pipe.
2. The large inner diameter machining apparatus for an ultra-long workpiece for a large round pipe according to claim 1, characterized in that: the spindle is provided with two guide rails which are symmetrically arranged on two sides of the spindle, and the guide rails are sleeved with sliding blocks which are connected with the machining assembly.
3. The large inner diameter machining apparatus for an ultra-long workpiece for a large round pipe according to claim 1, characterized in that: the processing subassembly is including processing the frame, processing the frame and being four blade holders of star type, and four processing swoves of the circumferencial direction evenly distributed of processing the frame, just processing sword is connected through the lock blade holder with processing the frame, sets up feed adjusting screw on the lock blade holder simultaneously, feed adjusting screw can adjust the length that exposes of processing sword.
4. The large inner diameter machining apparatus for an ultra-long workpiece for a large round pipe according to claim 1, characterized in that: the screw assembly comprises a ball screw, the ball screw is arranged on the main shaft and is parallel to the main shaft, a ball nut is sleeved on the ball screw and is connected with a processing frame of the processing assembly, and meanwhile, the ball screw is connected with a screw motor.
5. The large inner diameter machining apparatus for an ultra-long workpiece for a large round pipe according to claim 1, characterized in that: the driving assembly comprises an oil pressure motor, the oil pressure motor is connected with a speed reducer, and the oil pressure motor is connected with the main shaft through a coupler.
6. The large inner diameter machining apparatus for an ultra-long workpiece for a large round pipe according to claim 1, characterized in that: the supporting component comprises a supporting fixing frame, the supporting fixing frame is sleeved on the main shaft through a bearing sleeve, a plurality of movable supporting claws are arranged on the supporting fixing frame, and the movable supporting claws are arranged along the inner diameter direction of the round pipe.
7. The large inner diameter machining apparatus for an ultra-long workpiece for a large round pipe according to claim 1, characterized in that: the main shaft is provided with three groups of supporting assemblies, the left end, the right end and the middle of the main shaft are respectively provided with one group, meanwhile, the main shaft is provided with two groups of processing assemblies, and the two groups of processing assemblies are respectively positioned between two adjacent groups of supporting assemblies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111457915.1A CN114074256A (en) | 2021-12-01 | 2021-12-01 | Large inner diameter machining device for super-long workpiece of large circular tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111457915.1A CN114074256A (en) | 2021-12-01 | 2021-12-01 | Large inner diameter machining device for super-long workpiece of large circular tube |
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| Publication Number | Publication Date |
|---|---|
| CN114074256A true CN114074256A (en) | 2022-02-22 |
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|---|---|---|---|
| CN202111457915.1A Pending CN114074256A (en) | 2021-12-01 | 2021-12-01 | Large inner diameter machining device for super-long workpiece of large circular tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117226542A (en) * | 2023-10-31 | 2023-12-15 | 武汉君诚机电仪表制造有限责任公司 | Center supporting mechanism for boring machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0994725A (en) * | 1995-10-03 | 1997-04-08 | Toshiba Corp | Simplified piping edge preparation/surface grinding device |
| KR100709530B1 (en) * | 2006-06-30 | 2007-04-24 | 주식회사 시그너스정공 | Abs sensor attach surface processing machine of outomobile knuckle |
| CN109158648A (en) * | 2018-09-29 | 2019-01-08 | 严双喜 | It is a kind of for the bore hole sealing machine of curvature pipeline and its process flow |
| CN209364101U (en) * | 2018-11-28 | 2019-09-10 | 佛山新成洪鼎机械技术有限公司 | A kind of Boring machine |
| CN111992747A (en) * | 2020-08-12 | 2020-11-27 | 武汉重工铸锻有限责任公司 | Deep hole internal thread machining boring rod and method for machining deep hole threads by adopting boring rod |
| CN112354985A (en) * | 2020-11-26 | 2021-02-12 | 中煤第一建设有限公司 | Pipeline inner wall cleaning device |
| CN112453589A (en) * | 2020-12-09 | 2021-03-09 | 河南理工大学 | Self-driven ultrasonic auxiliary gear honing device |
-
2021
- 2021-12-01 CN CN202111457915.1A patent/CN114074256A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0994725A (en) * | 1995-10-03 | 1997-04-08 | Toshiba Corp | Simplified piping edge preparation/surface grinding device |
| KR100709530B1 (en) * | 2006-06-30 | 2007-04-24 | 주식회사 시그너스정공 | Abs sensor attach surface processing machine of outomobile knuckle |
| CN109158648A (en) * | 2018-09-29 | 2019-01-08 | 严双喜 | It is a kind of for the bore hole sealing machine of curvature pipeline and its process flow |
| CN209364101U (en) * | 2018-11-28 | 2019-09-10 | 佛山新成洪鼎机械技术有限公司 | A kind of Boring machine |
| CN111992747A (en) * | 2020-08-12 | 2020-11-27 | 武汉重工铸锻有限责任公司 | Deep hole internal thread machining boring rod and method for machining deep hole threads by adopting boring rod |
| CN112354985A (en) * | 2020-11-26 | 2021-02-12 | 中煤第一建设有限公司 | Pipeline inner wall cleaning device |
| CN112453589A (en) * | 2020-12-09 | 2021-03-09 | 河南理工大学 | Self-driven ultrasonic auxiliary gear honing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117226542A (en) * | 2023-10-31 | 2023-12-15 | 武汉君诚机电仪表制造有限责任公司 | Center supporting mechanism for boring machine |
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