CN102489737A - Punching device and punching machine using same - Google Patents
Punching device and punching machine using same Download PDFInfo
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- CN102489737A CN102489737A CN2011104091627A CN201110409162A CN102489737A CN 102489737 A CN102489737 A CN 102489737A CN 2011104091627 A CN2011104091627 A CN 2011104091627A CN 201110409162 A CN201110409162 A CN 201110409162A CN 102489737 A CN102489737 A CN 102489737A
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- perforating device
- links
- drill bit
- axle sleeve
- square hole
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Abstract
The embodiment of the invention discloses a punching device and a punching machine using the same. The punching device provided by the invention comprises a drilling arm, clamping parts, transmission parts, power components and a drill bit. When the punching device provided by the invention is used, the drill bit is fed between two impellers of an integral rotor by using the external arm end of the drilling arm so as to align the position of the drill bit, then, an operation of hole drilling begins to perform. The invention also discloses a punching machine using the punching device above. Compared with a punching device in the prior art, the punching device and punching machine using the same provided by the invention can be used for processing integral rotors (the distance between narrow shafts is not less than '40mm + the thickness of the impeller'), and achieve the purpose of carrying out expanded reaming on pin holes under the condition of processing integral rotors within the distance between narrow shafts.
Description
Technical field
The present invention relates to the machining apparatus field, more particularly, relate to a kind of perforating device, and used the puncher of this perforating device.
Background technology
In order to make the steam turbine structure compact more, and improve the performance of steam turbine, reduce vibration, replace old-fashioned split type rotor in the middle unitary rotor of having used of steam turbine.
Fig. 1 is the partial structurtes sketch map at unitary rotor mounting blades place, can find out, each impeller of unitary rotor and turning cylinder are integral structure, and wherein, last sencond stage impeller and impeller are the fork-shaped tooth root.Impeller is when assembling, and the preboring pin-and-hole control assembling of impeller blade elder generation is expanded the hinge pin hole after impeller and the blade assembling, again in order to being fixedly connected of impeller and blade.Because the two ends of last sencond stage impeller pin-and-hole are blocked by the impeller of both sides respectively, existing rig can't be realized the expansion strand to pin-and-hole under the narrow distance between axles processing conditions of monoblock type impeller.
By the above, how a kind of perforating device and the puncher of having used this device are provided, the narrow distance between axles processing conditions that can be implemented in unitary rotor is realized down the purpose of the expansion strand of pin-and-hole is become the technical problem that those skilled in the art need solution badly.
Summary of the invention
In view of this, the present invention provides a kind of perforating device and the puncher of having used this device, realizes the purpose to the expansion strand of pin-and-hole down with the narrow distance between axles processing conditions that is implemented in unitary rotor.
A kind of perforating device comprises drilling arm, hold assembly, drive disk assembly, power part and drill bit,
Drill bit links to each other with the drilling arm through hold assembly, and power part links to each other with hold assembly through drive disk assembly,
The drilling arm comprises overhanging end and the stiff end that is fixedly linked, and the rotation of drill bit is perpendicular to overhanging end.
Preferably, drive disk assembly comprises:
Drive sprocket, drive sprocket is arranged on stiff end, and links to each other with power part;
Driven sprocket, driven sprocket is arranged on overhanging end, and links to each other with hold assembly; With
Chain, chain connects drive sprocket and driven sprocket.
Preferably, hold assembly comprises axle sleeve, collet, bearing and gland;
Axle sleeve links to each other with the drilling arm through bearing, and axle sleeve and driven sprocket circumferentially are fixedly linked, and axle sleeve is provided with the conical surface with the collet coupling, and gland is fixed on collet in the axle sleeve.
Preferably, hold assembly also comprises the square hole cover, and the square hole cover is provided with the square hole that the tang with drill bit is complementary;
Axle sleeve is provided with the square hole groove, and square hole is set in the square hole groove.
A kind of puncher comprises processing platform, perforating device, feed arrangement, bracing or strutting arrangement and indexing system, has used perforating device mentioned above.
Preferably; Feed arrangement comprises handwheel, leading screw, servomotor, linked transmission parts and mobile dovetail; Leading screw is arranged on the processing platform, and handwheel is fixed in an end of leading screw, and servomotor links to each other with leading screw through the linked transmission parts; Leading screw one end adopts angular contact bearing to link to each other the unsettled setting of the other end with workbench.
Can find out from above-mentioned technical scheme, the invention provides a kind of perforating device and used the puncher of this device.Perforating device provided by the present invention comprises drilling arm, hold assembly, drive disk assembly, power part and drill bit; Drill bit links to each other with the drilling arm through hold assembly, and power part links to each other with hold assembly through drive disk assembly, and the drilling arm comprises overhanging end and the stiff end that is fixedly linked, and the rotation of drill bit is perpendicular to overhanging end.When using perforating device provided by the present invention, utilize the overhanging end of drilling arm drill bit to be sent between two impellers of unitary rotor, the position of centering drill bit begins boring then.Perforating device provided by the invention utilizes the drilling arm to send between two impellers perpendicular to the drill bit of drilling arm overhanging end; Compare with perforating device of the prior art, perforating device provided by the present invention can be used in the unitary rotor that the narrow distance between axles of processing is not less than " drilling arm thickness+impeller thickness ".Realized under the narrow distance between axles processing conditions of unitary rotor, realizing purpose to the expansion strand of pin-and-hole.
The invention also discloses a kind of puncher, used above-mentioned perforating device, also comprise processing platform, perforating device, feed arrangement, bracing or strutting arrangement and indexing system.The employed perforating device of puncher is a perforating device provided by the present invention; Perforating device, feed arrangement, bracing or strutting arrangement and indexing system are installed on the processing platform respectively.When using the disclosed puncher of the present invention; Utilize bracing or strutting arrangement with unitary rotor axial restraint on processing platform; Circumferential rotation by indexing system control unitary rotor; Feed arrangement control perforating device utilizes perforating device on unitary rotor, to expand the strand pin-and-hole in unitary rotor feeding radially.Puncher provided by the present invention has been used perforating device mentioned above, has realized under the narrow distance between axles processing conditions of unitary rotor, realizing the purpose to the expansion strand of pin-and-hole.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of unitary rotor;
Fig. 2 is the structural representation of the disclosed a kind of perforating device of the present invention;
Fig. 3 is the partial structurtes sketch map of the disclosed perforating device of the embodiment of the invention;
Fig. 4 is the structural representation of drive disk assembly in the disclosed a kind of puncher of the embodiment of the invention.
The specific embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The invention discloses a kind of perforating device and the puncher of having used this device, realize purpose down the expansion strand of pin-and-hole with the narrow distance between axles processing conditions that is implemented in unitary rotor.
Fig. 2 shows a kind of perforating device, comprises drilling arm 21, hold assembly 22, drive disk assembly 23, power part (not shown) and drill bit (not shown).Drilling arm 21 comprises overhanging end and the stiff end that is fixedly linked; Hold assembly 22 is arranged on overhanging end, and drill bit links to each other with the drilling arm through hold assembly 22, and drill bit is vertical with the overhanging end of drilling arm 21, and power part is arranged on stiff end, and drive disk assembly 23 connects power part and hold assembly.
Drilling arm 21 length overalls are 600 millimeters, and gross thickness is 36 millimeters, select for use the 35CrMo solid forging to support, and have guaranteed the rigidity of drilling arm 21.Drilling arm 21 comprises drill boom and gland, and drill boom and gland inboard are provided with bearing locating hole and driving groove, and the bearing locating hole is used to install bearing, and driving groove is used to be provided with transmission connection piece.
The structure of drive disk assembly 23 has been shown among Fig. 2, and drive disk assembly 23 comprises drive sprocket 231, driven sprocket 232 and chain (not shown), and drive sprocket 231 is arranged on the stiff end of drilling arm 21, links to each other with power part; Driven sprocket 232 is arranged on the overhanging end of drilling arm 21, links to each other with hold assembly; Chain connects drive sprocket 231 and driven sprocket 232.
Fig. 3 shows the structural representation of hold assembly 22 in the perforating device, comprises axle sleeve 221, collet 222, bearing 223 and gland 224.Bearing 223 is through being arranged on the shoulder hole location on the drilling arm 21; Axle sleeve 221 links to each other with drilling arm 21 through bearing 223; Be provided with the conical surface that is complementary with collet 222 conical surfaces in the axle sleeve 221; Through depression bar 224 collet 222 is pressed in the axle sleeve 221, drill bit links to each other with drilling arm 21 through collet 222, and the drill bit rotation is perpendicular to the overhanging end of cutting arm.
When using perforating device provided by the present invention, utilize the overhanging end of drilling arm drill bit to be sent between two impellers of unitary rotor, the position of centering drill bit begins boring then.Compare with perforating device of the prior art, perforating device provided by the present invention can be used in the unitary rotor that the narrow distance between axles of processing is not less than " 40 millimeters+impeller thickness ".Realized under the narrow distance between axles processing conditions of unitary rotor, realizing purpose to the expansion strand of pin-and-hole.
Preferably, the hold assembly in the perforating device shown in Fig. 3 also comprises square hole cover 225, and square hole cover 225 is provided with the square hole that is complementary with the drill bit tang.Axle sleeve 221 is provided with the square hole groove that is complementary with square hole cover 225, and square hole cover 225 is arranged in the square hole groove.When perforating device is worked, axle sleeve 221 through square hole cover 225 to the drill bit transferring power, drill bit of having avoided causing and the skidding between the collet 222 because of collet 222 insufficient clamping force.
The invention also discloses a kind of puncher.Puncher has been used above-mentioned perforating device, also comprises processing platform, perforating device, feed arrangement, bracing or strutting arrangement and indexing system.The employed perforating device of puncher, perforating device, feed arrangement, bracing or strutting arrangement and indexing system are installed on the processing platform respectively.Bracing or strutting arrangement is with unitary rotor axial restraint on processing platform, and by the circumferential rotation of indexing system control unitary rotor, feed arrangement control perforating device utilizes perforating device on unitary rotor, to expand fraising in unitary rotor feeding radially.
Preferably, the structure of the employed feed arrangement of puncher is as shown in Figure 4 among the present invention, and feed arrangement comprises handwheel 41, leading screw 42, linked transmission parts 43, servomotor 44 and mobile dovetail 45.Leading screw 42 is arranged on the processing platform 5 through angular contact bearing, and leading screw one end is overhanging, is connected with handwheel 41; The other end is unsettled, to guarantee that moving dovetail 45 can move along the dovetail groove on the processing platform 5.Servomotor 44 is the vertical structure motor, is arranged on processing platform 5 middle recesses.
Puncher provided by the present invention; Used the described perforating device of preamble, realized under the narrow distance between axles processing conditions of unitary rotor, realizing purpose, simultaneously the expansion strand of pin-and-hole; Adopt the unsettled leading screw of an end; Guarantee to move dovetail and move according to dovetail control fully, servomotor is arranged on the middle recess of processing platform, has saved the space.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (6)
1. a perforating device comprises drilling arm, hold assembly, drive disk assembly, power part and drill bit,
Said drill bit links to each other with said drilling arm through said hold assembly, and said power part links to each other with said hold assembly through said drive disk assembly,
It is characterized in that said drilling arm comprises overhanging end and the stiff end that is fixedly linked, the rotation of said drill bit is perpendicular to said overhanging end.
2. perforating device according to claim 1 is characterized in that, said drive disk assembly comprises:
Drive sprocket, said drive sprocket is arranged on said stiff end, and links to each other with said power part;
Driven sprocket, said driven sprocket is arranged on said overhanging end, and links to each other with said hold assembly; With
Chain, said chain connect said drive sprocket and said driven sprocket.
3. perforating device according to claim 2 is characterized in that said hold assembly comprises axle sleeve, collet, bearing and gland;
Said axle sleeve links to each other with said drilling arm through bearing, and said axle sleeve and said driven sprocket circumferentially are fixedly linked, and said axle sleeve is provided with the conical surface with said collet coupling, and said gland is fixed on said collet in the said axle sleeve.
4. perforating device according to claim 3 is characterized in that said hold assembly also comprises the square hole cover, and said square hole cover is provided with the square hole that the tang with said drill bit is complementary;
Said axle sleeve is provided with the square hole groove, and said square hole is set in the said square hole groove.
5. a puncher comprises processing platform, perforating device, feed arrangement, bracing or strutting arrangement and indexing system, it is characterized in that, said perforating device is each described perforating device among the claim 1-5.
6. a kind of puncher according to claim 5; Said feed arrangement comprises handwheel, leading screw, servomotor, linked transmission parts and mobile dovetail, and the rotating and said processing platform of said leading screw links to each other, and said handwheel is fixed in an end of said leading screw; Said servomotor links to each other with said leading screw through said linked transmission parts; It is characterized in that said leading screw one end adopts angular contact bearing to link to each other the unsettled setting of the other end with said workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104091627A CN102489737A (en) | 2011-12-09 | 2011-12-09 | Punching device and punching machine using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104091627A CN102489737A (en) | 2011-12-09 | 2011-12-09 | Punching device and punching machine using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102489737A true CN102489737A (en) | 2012-06-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104091627A Pending CN102489737A (en) | 2011-12-09 | 2011-12-09 | Punching device and punching machine using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102489737A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392116A (en) * | 2016-09-05 | 2017-02-15 | 山东齐鲁电机制造有限公司 | Drill bit clamping mechanism of deflected drill |
| CN106424818A (en) * | 2016-09-05 | 2017-02-22 | 山东齐鲁电机制造有限公司 | Novel bending drill |
| CN110193612A (en) * | 2019-07-02 | 2019-09-03 | 沈阳机床(集团)有限责任公司 | A kind of expansion set structure of bidirectional locking |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2050688A5 (en) * | 1969-06-20 | 1971-04-02 | Sirugue Et Cie | |
| JPS58149111A (en) * | 1982-02-24 | 1983-09-05 | Nippon Steel Corp | Portable type bore cutting device |
| US5030041A (en) * | 1990-04-06 | 1991-07-09 | Westinghouse Electric Corp. | Compact boring system |
| CN2211870Y (en) * | 1994-09-27 | 1995-11-08 | 王东海 | Equipment for working pin and hole when changing turbine blade |
| CN2548741Y (en) * | 2002-06-28 | 2003-05-07 | 上海汽轮机有限公司 | Lateral drilling thin wall arm |
| CN2579579Y (en) * | 2002-11-28 | 2003-10-15 | 东方汽轮机厂 | Deflection drill |
| CN2815562Y (en) * | 2005-08-10 | 2006-09-13 | 杭州汽轮机股份有限公司 | Special drilling machine for steam turbine rotor blade root pin working |
| CN200963698Y (en) * | 2006-11-10 | 2007-10-24 | 哈尔滨汽轮机厂有限责任公司 | Deflection drill for steam turbine rotor |
-
2011
- 2011-12-09 CN CN2011104091627A patent/CN102489737A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2050688A5 (en) * | 1969-06-20 | 1971-04-02 | Sirugue Et Cie | |
| JPS58149111A (en) * | 1982-02-24 | 1983-09-05 | Nippon Steel Corp | Portable type bore cutting device |
| US5030041A (en) * | 1990-04-06 | 1991-07-09 | Westinghouse Electric Corp. | Compact boring system |
| CN2211870Y (en) * | 1994-09-27 | 1995-11-08 | 王东海 | Equipment for working pin and hole when changing turbine blade |
| CN2548741Y (en) * | 2002-06-28 | 2003-05-07 | 上海汽轮机有限公司 | Lateral drilling thin wall arm |
| CN2579579Y (en) * | 2002-11-28 | 2003-10-15 | 东方汽轮机厂 | Deflection drill |
| CN2815562Y (en) * | 2005-08-10 | 2006-09-13 | 杭州汽轮机股份有限公司 | Special drilling machine for steam turbine rotor blade root pin working |
| CN200963698Y (en) * | 2006-11-10 | 2007-10-24 | 哈尔滨汽轮机厂有限责任公司 | Deflection drill for steam turbine rotor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392116A (en) * | 2016-09-05 | 2017-02-15 | 山东齐鲁电机制造有限公司 | Drill bit clamping mechanism of deflected drill |
| CN106424818A (en) * | 2016-09-05 | 2017-02-22 | 山东齐鲁电机制造有限公司 | Novel bending drill |
| CN110193612A (en) * | 2019-07-02 | 2019-09-03 | 沈阳机床(集团)有限责任公司 | A kind of expansion set structure of bidirectional locking |
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Application publication date: 20120613 |