CN104308285B - The worm screw organisation of working that at a kind of horizontal wall, small bevel gear gear member can be dismantled - Google Patents
The worm screw organisation of working that at a kind of horizontal wall, small bevel gear gear member can be dismantled Download PDFInfo
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- CN104308285B CN104308285B CN201410533488.4A CN201410533488A CN104308285B CN 104308285 B CN104308285 B CN 104308285B CN 201410533488 A CN201410533488 A CN 201410533488A CN 104308285 B CN104308285 B CN 104308285B
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- bevel gear
- horizontal wall
- blank
- externally threaded
- sleeve
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Abstract
nullThe worm screw organisation of working that at a kind of horizontal wall, small bevel gear gear member can be dismantled，For blank (1) is processed into worm screw，Described organisation of working includes blank bearing part (2)、Carry externally threaded sleeve (3)、Tapped drive sleeve (4) and frame (7)，Blank bearing part (2) is used for carrying described blank (1)，The top and bottom of blank bearing part (2) are arranged in the externally threaded sleeve of described band (3) relative to described band externally threaded sleeve (3) axial restraint by upper bearing (metal) (21) and lower bearing (22) respectively，Described band externally threaded sleeve (3) threaded engagement is in described tapped drive sleeve (4)，The lower end of described tapped drive sleeve (4) is rotatably mounted in frame (7) by thrust bearing (47)，The inside of frame (7) has chamber (72)，In described chamber (72).
Description
Technical field
The application relates to worm screw manufacture field, the worm screw organisation of working that at a kind of horizontal wall, small bevel gear gear member can be dismantled.
Background technology
Worm-drive is made up of worm and worm wheel, and general worm screw is driving link.Worm screw is the same with screw thread dextrorotation and left-handed dividing.Worm-drive has the advantage that 1. gear ratios are big, compact conformation.Number of threads Z1 represents (general Z1=1 ~ 4), and worm gear number of teeth Z2 represents.From gear ratio formula I=Z2/Z1 it can be seen that work as Z1=1, i.e. worm screw is single head, and worm screw must turn Z2 and turn worm gear and just go around, thus available very big speed ratio, typically in power transmission, take gear ratio I=10-80；In indexing mechanism, I is up to 1000.The biggest transmission such as with gear drive, then needs to take Multi-stage transmission, so worm transmission structure is compact, volume is little, lightweight.2. stable drive, noiselessness.Because worm tooth is continuous continual helical tooth, being continuously when it engages with worm-gear toothing, worm tooth does not enters into and exits the process of engagement, therefore stable working, impact, shake, noise smaller.3. there is self-locking performance.When the lead angle of worm screw is the least, worm screw can only drive worm-drive, and worm gear can not drive worm screw to rotate.4. Efficiency of Worm Gearing is low, it is considered that Efficiency of Worm Gearing is lower than gear drive.Especially having the worm-drive of self-locking performance, its efficiency is below 0.5, and general efficiency only has 0.7～0.9.But, it is big that worm-drive also has caloric value, and the flank of tooth easily weares and teares, the shortcoming that cost is high.In order to improve transmission accuracy, reduce abrasion, it usually needs ensure the form accuracy of worm gear profile of tooth.But, the shape processing system of worm gear profile of tooth makes trouble, and is difficult to ensure the teeth groove accuracy of form and position of processing.
In particular, in some concrete applications, such as flexible material (such as plastics) processing, traditional intermetallic composite coating mode reduces cost by being difficult to meet and improves process velocity and the requirement of precision.
Summary of the invention
The invention aims to provide the processing mode of a kind of worm screw, it has the advantage that the single worm tooth shape precision simple, processing of process equipment is high.Further, it is possible to meet the requirement reduced in some flexible materials for processing cost (especially tooling cost).
nullAccording to aspects of the present invention，The worm screw organisation of working that at a kind of horizontal wall, small bevel gear gear member can be dismantled，For blank forming is become worm screw，Described organisation of working includes blank bearing part、Carry externally threaded sleeve、Tapped drive sleeve and frame，Blank bearing part is used for carrying described blank，The top and bottom of blank bearing part are arranged in the externally threaded sleeve of described band relative to described band externally threaded sleeve axial restraint by upper bearing (metal) and lower bearing respectively，The externally threaded bush whorl of described band is matched with in described tapped drive sleeve，The lower end of described tapped drive sleeve is rotatably mounted in frame by thrust bearing，The inside of frame has chamber，In the cavity，It is fixed with driving motor on the left inside sidewall of chamber of described frame，The rotation axis driving motor is horizontal direction，Motor is driven to be connected with the left end power of horizontal drive shaft，The right-hand member of horizontal drive shaft is rotatably mounted at the chamber Right Inboard wall of described frame；The left part of horizontal drive shaft is fixed with the first bevel pinion, and right part is fixed with bevel gear wheel part, and described first bevel pinion engages with vertical bevel gear, and the diameter of described vertical bevel gear is more than the diameter of described first bevel pinion；The bottom of described tapped drive sleeve is provided with transverse horizontal wall, the central authorities of transverse horizontal wall are provided with through hole, vertically power transmission shaft by be arranged on the bearing on the upside of described transverse horizontal wall and axial restraint and circumference be installed on revolvably described transverse horizontal wall and extend through described through hole and and described through hole between there is annular gap, vertically the lower end of power transmission shaft fixedly mounts described vertical bevel gear, during vertically the top of power transmission shaft extends to the central blind hole of described blank bearing part, and it is provided with axially extended key, described axially extended key can coordinate axially slidably with the keyway in described central blind hole；Described vertical power transmission shaft, blank bearing part, central axis with externally threaded sleeve and tapped drive sleeve all overlap；
It is additionally provided with axially extended chute on the external screw thread face of the externally threaded sleeve of described band, described frame is fixedly installed circumferentially fixed structure, described circumferentially fixed structure coordinates with described chute and carries out circumferentially fixed with sleeve externally threaded to described band, and described circumferentially fixed structure can be axially slidable relative to one another with described chute；
The middle position of described transverse horizontal wall is installed with small bevel gear gear member at horizontal wall, and described through hole is positioned at the central authorities of small bevel gear gear member at described horizontal wall；At described horizontal wall, the periphery of small bevel gear gear member is provided with annular flange, described annular flange is connected by screw on described transverse horizontal wall, so that small bevel gear gear member can disassemble from described transverse horizontal wall at described horizontal wall, so that small bevel gear gear member is easy to safeguard at described horizontal wall；
Described bevel gear wheel part is right-hand member closing, the cylinder-like structure of left end opening, the central axis of described cylinder-like structure and the central axes of described horizontal drive shaft, cone toothing it is provided with outside the left end of the barrel of described cylinder-like structure, the part on the right side of described vertical power transmission shaft that is positioned at of described vertical bevel gear protrudes into described cylinder-like structure, and described bevel gear wheel part engages with small bevel gear gear member at described horizontal wall；
When described driving electric machine rotation, described bevel gear wheel part can drive described tapped drive sleeve to rotate, and then drives the externally threaded sleeve of described band and described blank bearing part and blank to move at vertical direction；Described first bevel pinion can drive described vertical power transmission shaft and described blank bearing part and blank to rotate in circumferential direction, thus, under the effect of cutting tool, it is possible to process worm screw teeth groove on described blank.
Pass through such scheme, by using cylindric bevel gear structure, can farthest lift by improving screw thread rotation speed, so can be in the case of circumference rotating speed limits, at utmost improve the density of elevating screw thread, improve transmission accuracy, and process velocity can be improved simultaneously；And, utilize the bevel gear structure of this cylindrical shape, can spatially make full use of the transmission space in equipment cavity, other travelling gear parts are arranged on the bevel gear inside configuration of this cylindrical shape, rotate mutually do not interfere in the case of fully meet drive mechanism requirement, and save the device space simultaneously；Owing to have employed the transmission of the gears at different levels of the fixing number of teeth, in the case of thread pitch is certain, it is possible to ensure that the proportionate relationship between rotational angular velocity and riser speed is constant, therefore, which ensure that the precision of slot form during processing spiral alveolar；And, arranged by specific concrete structure, it is possible to the rotation realizing circumference angular velocity slows down as far as possible, i.e. relative to the linear velocity risen, rotary speed is the slowest such that it is able to use the screw-driven that precision is high, while meeting the shape need of worm screw, it is possible to increase the form accuracy of processing.Meanwhile, utilize that external thread sleeve rotates by power transmission shaft is fixing, therefore, it is possible to ensure that it is not followed inner thread sleeve and rotates；And, middle power transmission shaft and the central axes of the miscellaneous part of rotation, which ensure that the rotation of power transmission shaft can be unrelated with the rotation of plummer such that it is able to rotate independently.Utilize unique blind hole structure, it is possible to while rising, ensure that basic fixed structure is constant, thus do not interfere with the transmission of power transmission shaft and for fixing in the rotation of screw shell.Upward system tightly uses single driving motor, can be realized as that Gear Processing rotates the two kinds of motions risen to be driven, ensure that the proportional precision between two kinds of motions simultaneously, therefore, disclosure satisfy that and manufacture the requirement that equipment cost controls, disclosure satisfy that the antagonism requirement of cutting force for particular process material simultaneously, and disclosure satisfy that the form accuracy requirement of gear tooth slot, it is not affected by processing environment confusion, is respectively provided with, for the maintenance of process equipment, the workflow management of the course of processing, the tolerance degree increased.
Accompanying drawing explanation
Fig. 1 is the organisation of working of the present invention structural representation when non-propradation；
Fig. 2 is the organisation of working of present invention structural representation after rising.
Detailed description of the invention
1-2 below in conjunction with the accompanying drawings, the present invention is described in detail.
nullThe worm screw organisation of working that at a kind of horizontal wall, small bevel gear gear member can be dismantled，For blank 1 is processed into worm screw，Described organisation of working includes blank bearing part 2、Carry externally threaded sleeve 3、Tapped drive sleeve 4 and frame 7，Blank bearing part 2 is used for carrying described blank 1，The top and bottom of blank bearing part 2 are arranged in the externally threaded sleeve of described band 3 relative to described band externally threaded sleeve 3 axial restraint by upper bearing (metal) 21 and lower bearing 22 respectively，Described band externally threaded sleeve 3 threaded engagement is in described tapped drive sleeve 4，The lower end of described tapped drive sleeve 4 is rotatably mounted in frame 7 by thrust bearing 47，The inside of frame 7 has chamber 72，In described chamber 72，Driving motor 8 it is fixed with on the left inside sidewall of chamber of described frame 7，The rotation axis driving motor 8 is horizontal direction，Motor 8 is driven to be connected with the left end power of horizontal drive shaft 5，The right-hand member of horizontal drive shaft 5 is rotatably mounted at the chamber Right Inboard wall of described frame 7；The left part of horizontal drive shaft 5 is fixed with the first bevel pinion 51, and right part is fixed with bevel gear wheel part 52, and described first bevel pinion 51 engages with vertical bevel gear 61, and the diameter of described vertical bevel gear 61 is more than the diameter of described first bevel pinion 51；The bottom of described tapped drive sleeve 4 is provided with transverse horizontal wall 43, the central authorities of transverse horizontal wall 43 are provided with through hole 42, vertically power transmission shaft 6 by be arranged on the bearing on the upside of described transverse horizontal wall 43 and axial restraint and circumference be installed on revolvably described transverse horizontal wall 43 and extend through described through hole 42 and and described through hole 42 between there is annular gap, vertically the lower end of power transmission shaft 6 fixedly mounts described vertical bevel gear 61, during vertically the top of power transmission shaft 6 extends to the central blind hole of described blank bearing part 2, and it is provided with axially extended key 62, described axially extended key 62 can coordinate axially slidably with the keyway in described central blind hole；Described vertical power transmission shaft 6, blank bearing part 2, central axis with externally threaded sleeve 3 and tapped drive sleeve 4 all overlap；
Axially extended chute 31 it is additionally provided with on the external screw thread face of the externally threaded sleeve of described band 3, described frame 7 is fixedly installed circumferentially fixed structure 71, described circumferentially fixed structure 71 coordinates with described chute 31 and carries out circumferentially fixed with sleeve 3 externally threaded to described band, and described circumferentially fixed structure 71 can be axially slidable relative to one another with described chute 31；
The middle position of described transverse horizontal wall 43 is installed with small bevel gear gear member 41 at horizontal wall, and described through hole 42 is positioned at the central authorities of small bevel gear gear member 41 at described horizontal wall；At described horizontal wall, the periphery of small bevel gear gear member 41 is provided with annular flange, described annular flange is connected by screw on described transverse horizontal wall 43, so that small bevel gear gear member 41 can disassemble from described transverse horizontal wall 43 at described horizontal wall, so that small bevel gear gear member 41 is easy to safeguard at described horizontal wall；
Described bevel gear wheel part 52 is closed for right-hand member, the cylinder-like structure of left end opening, the central axis of described cylinder-like structure and the central axes of described horizontal drive shaft 5, cone toothing it is provided with outside the left end of the barrel of described cylinder-like structure, the part on the right side of described vertical power transmission shaft 6 that is positioned at of described vertical bevel gear 61 protrudes into described cylinder-like structure, and described bevel gear wheel part 52 engages with small bevel gear gear member 41 at described horizontal wall；
When described driving motor 8 rotates, described bevel gear wheel part 52 can drive described tapped drive sleeve 4 to rotate, and then drives the externally threaded sleeve of described band 3 and described blank bearing part 2 and blank 1 to move at vertical direction；Described first bevel pinion 51 can drive described vertical power transmission shaft 6 and described blank bearing part 2 and blank 1 to rotate in circumferential direction, thus, under the effect of cutting tool, it is possible to process worm screw teeth groove on described blank 1.
Claims (1)
- null1. the worm screw organisation of working that at a horizontal wall, small bevel gear gear member can be dismantled，For blank (1) is processed into worm screw，Described organisation of working includes blank bearing part (2)、Carry externally threaded sleeve (3)、Tapped drive sleeve (4) and frame (7)，Blank bearing part (2) is used for carrying described blank (1)，The top and bottom of blank bearing part (2) are arranged in the externally threaded sleeve of described band (3) relative to described band externally threaded sleeve (3) axial restraint by upper bearing (metal) (21) and lower bearing (22) respectively，Described band externally threaded sleeve (3) threaded engagement is in described tapped drive sleeve (4)，The lower end of described tapped drive sleeve (4) is rotatably mounted in frame (7) by thrust bearing (47)，The inside of frame (7) has chamber (72)，In described chamber (72)，Driving motor (8) it is fixed with on the left inside sidewall of chamber of described frame (7)，The rotation axis driving motor (8) is horizontal direction，Motor (8) is driven to be connected with the left end power of horizontal drive shaft (5)，The right-hand member of horizontal drive shaft (5) is rotatably mounted at the chamber Right Inboard wall of described frame (7)；The left part of horizontal drive shaft (5) is fixed with the first bevel pinion (51), right part is fixed with bevel gear wheel part (52), described first bevel pinion (51) is engaged with vertical bevel gear (61), and the diameter of described vertical bevel gear (61) is more than the diameter of described first bevel pinion (51)；The bottom of described tapped drive sleeve (4) is provided with transverse horizontal wall (43), the central authorities of transverse horizontal wall (43) are provided with through hole (42), vertically power transmission shaft (6) by be arranged on the bearing of described transverse horizontal wall (43) upside and axial restraint and circumference be installed on revolvably described transverse horizontal wall (43) and extend through described through hole (42) and and described through hole (42) between there is annular gap, vertically the lower end of power transmission shaft (6) fixedly mounts described vertical bevel gear (61), during vertically the top of power transmission shaft (6) extends to the central blind hole of described blank bearing part (2), and it is provided with axially extended key (62), described axially extended key (62) can coordinate axially slidably with the keyway in described central blind hole；Described vertical power transmission shaft (6), blank bearing part (2), central axis with externally threaded sleeve (3) and tapped drive sleeve (4) all overlap；Axially extended chute (31) it is additionally provided with on the external screw thread face of the externally threaded sleeve of described band (3), described frame (7) is fixedly installed circumferentially fixed structure (71), described circumferentially fixed structure (71) coordinates with described chute (31) and carries out circumferentially fixed with sleeve externally threaded to described band (3), and described circumferentially fixed structure (71) can be axially slidable relative to one another with described chute (31)；The middle position of described transverse horizontal wall (43) is installed with small bevel gear gear member (41) at horizontal wall, and described through hole (42) is positioned at the central authorities of small bevel gear gear member (41) at described horizontal wall；At described horizontal wall, the periphery of small bevel gear gear member (41) is provided with annular flange, described annular flange is connected by screw on described transverse horizontal wall (43), so that small bevel gear gear member (41) can disassemble from described transverse horizontal wall (43) at described horizontal wall, so that small bevel gear gear member (41) is easy to safeguard at described horizontal wall；Described bevel gear wheel part (52) is right-hand member closing, the cylinder-like structure of left end opening, the central axis of described cylinder-like structure and the central axes of described horizontal drive shaft (5), cone toothing it is provided with outside the left end of the barrel of described cylinder-like structure, the part being positioned at described vertical power transmission shaft (6) right side of described vertical bevel gear (61) protrudes into described cylinder-like structure, and described bevel gear wheel part (52) is engaged with small bevel gear gear member (41) at described horizontal wall；When described driving motor (8) rotates, described bevel gear wheel part (52) can drive described tapped drive sleeve (4) to rotate, and then drives the externally threaded sleeve of described band (3) and described blank bearing part (2) and blank (1) to move at vertical direction；Described first bevel pinion (51) can drive described vertical power transmission shaft (6) and described blank bearing part (2) and blank (1) to rotate in circumferential direction, thus, under the effect of cutting tool, it is possible to process worm screw teeth groove on described blank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410533488.4A CN104308285B (en) | 2014-10-11 | 2014-10-11 | The worm screw organisation of working that at a kind of horizontal wall, small bevel gear gear member can be dismantled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410533488.4A CN104308285B (en) | 2014-10-11 | 2014-10-11 | The worm screw organisation of working that at a kind of horizontal wall, small bevel gear gear member can be dismantled |
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| Publication Number | Publication Date |
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| CN104308285A CN104308285A (en) | 2015-01-28 |
| CN104308285B true CN104308285B (en) | 2016-08-24 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86206381U (en) * | 1986-09-04 | 1987-09-02 | 首都钢铁公司 | Worm processing apparatus |
| DE19901338C1 (en) * | 1999-01-15 | 2000-03-02 | Reishauer Ag | Procedure for profiling grinding worm for continuous roller grinding process has grinding worm profiled corresponding to requirements of workpiece, working profile measured exactly, then measured values converted into control data |
| EP1747841A2 (en) * | 2005-07-27 | 2007-01-31 | Leistritz Aktiengesellschaft | Device for manufacturing metal parts, particularly cylindrical screw profiles, by rotary machining and rolling processing of cylindrical blanks |
| CN201371295Y (en) * | 2009-01-22 | 2009-12-30 | 杭州速能机械有限公司 | Gear-type automatic tapping machine |
| CN201493565U (en) * | 2009-07-01 | 2010-06-02 | 中山市业隆机电有限公司 | Small-size precision worm dedicated machine tool |
| CN102500832A (en) * | 2011-11-08 | 2012-06-20 | 南京彩云机械电子制造有限公司 | Multi-start worm milling machine |
-
2014
- 2014-10-11 CN CN201410533488.4A patent/CN104308285B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86206381U (en) * | 1986-09-04 | 1987-09-02 | 首都钢铁公司 | Worm processing apparatus |
| DE19901338C1 (en) * | 1999-01-15 | 2000-03-02 | Reishauer Ag | Procedure for profiling grinding worm for continuous roller grinding process has grinding worm profiled corresponding to requirements of workpiece, working profile measured exactly, then measured values converted into control data |
| EP1747841A2 (en) * | 2005-07-27 | 2007-01-31 | Leistritz Aktiengesellschaft | Device for manufacturing metal parts, particularly cylindrical screw profiles, by rotary machining and rolling processing of cylindrical blanks |
| CN201371295Y (en) * | 2009-01-22 | 2009-12-30 | 杭州速能机械有限公司 | Gear-type automatic tapping machine |
| CN201493565U (en) * | 2009-07-01 | 2010-06-02 | 中山市业隆机电有限公司 | Small-size precision worm dedicated machine tool |
| CN102500832A (en) * | 2011-11-08 | 2012-06-20 | 南京彩云机械电子制造有限公司 | Multi-start worm milling machine |
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| CN104308285A (en) | 2015-01-28 |
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| CB03 | Change of inventor or designer information |
Inventor after: Zhou Peng Inventor after: Shen Yugang Inventor after: Wu Mingyue Inventor after: Meng Fande Inventor after: Dai Wenli Inventor before: Lou Biyun |
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Effective date of registration: 20160622 Address after: 256100 Yiyuan City, Shandong province Xincheng Road, the middle Applicant after: STATE GRID SHANDONG PROVINCE ELECTRIC POWER COMPANY YIYUAN COUNTY POWER SUPPLY COMPANY Address before: 322005 Jinhua City, Yiwu Province, the town of righteousness Pavilion Street, No. 301, room 20, No. Applicant before: Lou Biyun |
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