CN108953536B - Precise rotary disc feeding and turning transmission device - Google Patents
Precise rotary disc feeding and turning transmission device Download PDFInfo
- Publication number
- CN108953536B CN108953536B CN201811081345.9A CN201811081345A CN108953536B CN 108953536 B CN108953536 B CN 108953536B CN 201811081345 A CN201811081345 A CN 201811081345A CN 108953536 B CN108953536 B CN 108953536B
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- China
- Prior art keywords
- main shaft
- driven block
- guide
- inclined hole
- disc body
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 26
- 239000011324 bead Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 238000003754 machining Methods 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Friction Gearing (AREA)
- Power Steering Mechanism (AREA)
Abstract
The invention relates to a precise rotary disc feeding and turning transmission device which comprises a rotary disc body and a turning inclined guide rod, wherein the upper plane of the rotary disc body is fixedly connected with the end face of a main shaft, a radial sliding plate is arranged at the lower part of the rotary disc body, a rectangular through groove is formed between the upper part of the radial sliding plate and the end face of the main shaft in the middle of the rotary disc body, a driven block is arranged in the rectangular through groove, a cylindrical inclined hole is formed in the driven block, a driving guide column is arranged in a central guide hole of the main shaft, the diameter of the driving guide column is smaller than that of the central guide hole of the main shaft, a circular space is reserved between the driving guide column and the main shaft, a main guide sleeve is arranged in the circular space between the driving guide column and the main shaft, a cylindrical inclined hole is formed in the driving guide column, one end of the turning inclined guide rod is arranged in the cylindrical inclined hole, the other end of the turning inclined guide rod is arranged in the cylindrical inclined hole on the driven block, and a circular space is reserved between the turning inclined guide rod and the driven block from the guide sleeve. The invention adopts the rolling direction-changing oblique guide rod to change the transmission direction to realize the conversion transmission of axial power to the radial rotary cutter head.
Description
Technical Field
The invention relates to a rotary disc feeding direction changing transmission technology, in particular to a rotary cutter feeding direction changing device for changing transmission direction by adopting a rolling turning inclined guide rod.
Background
Various radial machining problems are frequently encountered in machining, particularly radial element machining of non-rotating parts, such as end faces and circumferential raised table surfaces of holes on box parts, inner and outer grooves and other structural elements, a machine tool spindle is required to rotate with a cutter at the front end of the machine tool spindle during machining, and meanwhile, the cutter is required to be driven by a power part such as an oil cylinder or a motor at the rear end of the spindle to realize radial linear feeding movement so as to realize cutting of machining allowance and control of radial dimension; in which, how to transform the axial linear motion provided by the power parts such as the oil cylinder or the motor at the rear end of the main shaft into the radial linear feeding motion of the cutter is an essential important link. The rack and pinion transmission conversion device commonly used at present is complex in structure and large in size, and due to the fact that a transmission gap exists in a rack and pinion pair, transmission accuracy and rigidity are not high, core quality indexes such as size accuracy and surface roughness of part machining are directly affected, and improvement of machining quality level is limited.
Disclosure of Invention
Aiming at the problems of complex structure, large size, low transmission precision, low rigidity and the like of various radial processing transmission direction conversion devices frequently encountered in the mechanical processing, the invention provides the rotary cutter head feeding direction conversion device for changing the transmission direction by adopting the rolling turning inclined guide rod, which has simple and compact structure and no transmission clearance, thereby effectively improving the transmission precision and rigidity.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the invention relates to a precise rotary disc feeding and turning transmission device, which comprises a radial slide plate, a rotary disc body, a driven block, a turning inclined guide rod, a driving guide post, a main guide sleeve and a secondary guide sleeve, wherein the upper plane of the rotary disc body is opposite to the end face of a main shaft and is fixedly connected with the end face of the main shaft through a second screw, the radial slide plate is arranged at the lower part of the rotary disc body in the parallel direction of the end face of the main shaft, a rectangular through groove is arranged between the upper part of the radial slide plate and the end face of the main shaft in the middle part of the rotary disc body, the driven block is arranged in the rectangular through groove of the rotary disc body and is fixedly connected with the radial slide plate through a first screw and a pin, a cylindrical inclined hole is arranged on the driven block, the driving guide post is arranged in the central guide hole of the main shaft, the diameter of the driving guide post is smaller than the diameter of the central guide hole of the main shaft, and a circular space is reserved, the driving guide post is provided with a cylindrical inclined hole which is parallel to the cylindrical inclined hole of the driven block in the same direction, the main guide sleeve is an annular bead sleeve with a retainer, the main guide sleeve is arranged in an annular space between the driving guide post and the main shaft, one end of the direction-changing inclined guide rod is equal to the cylindrical inclined hole of the driving guide post in size and is arranged in the cylindrical inclined hole of the driving guide post in an interference fit manner, the other end of the direction-changing inclined guide rod is arranged in the cylindrical inclined hole of the driven block, the size of the direction-changing inclined guide rod arranged in the cylindrical inclined hole of the driven block is smaller than that of the cylindrical inclined hole of the driven block, an annular space is reserved, the guide sleeve is an annular bead sleeve with the retainer, and the guide sleeve is arranged in the annular space between the direction-changing inclined guide rod and the driven block.
The beneficial effects of the invention are as follows: aiming at the problems of complex structure, large size, low transmission precision, low rigidity and the like of various radial processing transmission direction conversion devices frequently encountered in the mechanical processing, the invention provides the rotary cutter head feeding direction conversion device for changing the transmission direction by adopting the rolling direction-changing inclined guide rod, which has simple and compact structure, adopts rolling guide at each relative movement part, and can perform clearance elimination and even pre-tightening treatment to improve the precision and rigidity.
The invention has the characteristics of high precision, high rigidity, high cost performance and the like, and can be popularized and applied to various high-precision radial linear feeding occasions.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a feed transversal cross-section of the invention.
Detailed Description
The present invention will be further described in detail with reference to the drawings and examples, which are only for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1-2, the invention is a precise rotary disc feeding and turning transmission device, which comprises a radial slide plate 1, a rotary disc body 3, a driven block 4, a turning inclined guide rod 5, a driving guide post 8, a main guide sleeve 9 and a secondary guide sleeve 10, wherein the upper plane of the rotary disc body 3 is opposite to the end face of a main shaft 13 and is fixedly connected with the end face of the main shaft 13 through a second screw 14, the radial slide plate 1 is arranged at the lower part of the rotary disc body 3 in the direction parallel to the end face of the main shaft 13, a rectangular through groove is arranged between the upper part of the radial slide plate 1 and the end face of the main shaft 13 in the middle part of the rotary disc body 3, the driven block 4 is arranged in the rectangular through groove of the rotary disc body 3 and is fixedly connected with the radial slide plate 1 through a first screw 2 and a pin 12, a cylindrical inclined hole is arranged on the driven block 4, the driving guide post 8 is arranged in the central guide hole of the main shaft 13, the diameter of the driving guide post 8 is smaller than the central guide hole of the main shaft 13, a circular space is reserved, the driving guide post 8 is provided with a cylindrical inclined hole which is parallel to the cylindrical inclined hole of the driven block 4 in the same direction, the main guide sleeve 9 is an annular sealing bead sleeve with a retainer, the main guide sleeve 9 is arranged in the annular space between the driving guide post 8 and the main shaft 13, rolling clearance can be eliminated even pre-tightening can be carried out by controlling the outer diameter size of the driving guide post 8 and the size of the central guide hole of the main shaft 13, one end size of the turning inclined guide post 5 is equal to the cylindrical inclined hole of the driving guide post 8 and is arranged in the cylindrical inclined hole of the driving guide post 8 in an interference fit manner, the other end of the turning inclined guide post 5 is arranged in the cylindrical inclined hole of the driven block 4, the size of the turning inclined guide post 5 arranged in the cylindrical inclined hole of the driven block 4 is smaller than the cylindrical inclined hole of the driven block 4, and a circular annular space is reserved, the auxiliary guide sleeve 10 is an annular ball-sealing sleeve with a retainer, the auxiliary guide sleeve 10 is arranged in an annular space between the direction-changing inclined guide rod 5 and the driven block 4, and rolling gaps can be eliminated and even pre-tightening can be carried out by controlling the outer diameter of the driving guide post 8 and the cylindrical inclined hole of the driven block 4.
The radial slide plate 1 of the transmission device and the two sides of the shaft cross section of the rotary disc body 3 are provided with V-shaped grooves in opposite directions, two square spaces are formed, cylindrical rollers 15 with the diameter equal to the square side length are placed in a crossed manner to form a rolling guide rail and high rigidity of the steering transmission device, an end cover 11 is used for limiting a guide sleeve 10 downwards, the guide sleeve 10 is prevented from slipping downwards from a designed working range, reliable operation is ensured, the lower part of a driving rod 6 is connected with a driving guide post 8 through a third screw 7, the upper part of the driving rod 6 is connected with power output such as an axial driving cylinder at the rear part of a main shaft, and the like, under the driving of rear power, the driving rod 6 drives the driving guide post 8 to move downwards in the axial direction of a main shaft center guide hole, and a steering inclined cylindrical surface driving driven block 4 drives the radial slide plate 1 to move along a radial linear guide rail perpendicular to the main shaft axis through an inclined cylindrical surface driving guide rod 5, so that the axial driving movement at the rear part of the driving guide post 8 is converted into radial feeding movement of the radial slide plate 1, and the rolling structure design of the driving guide post 8 and the moving part of the radial slide plate 1 can effectively ensure the high rigidity and high precision requirements of the steering transmission.
The invention adopts the rolling direction-changing inclined guide rod to change the transmission direction to realize the conversion and transmission of axial power to the radial rotary cutter head, has the characteristics of high precision, high rigidity, high cost performance and the like, and can be popularized and applied to various high-precision radial linear feeding occasions.
Claims (1)
1. The utility model provides a precision rotating disc feeds diversion transmission, includes radial slide (1), rotating disc body (3), driven piece (4), diversion oblique guide arm (5), drive guide pillar (8), leading cover (9), follow guide pin bushing (10), the upper plane of rotating disc body (3) is relative and through second screw (14) fastening connection with main shaft (13) terminal surface, the lower part of rotating disc body (3) with main shaft (13) terminal surface parallel direction is equipped with radial slide (1), its characterized in that: the middle part of the rotary disc body (3) is provided with a rectangular through groove between the upper part of the radial sliding plate (1) and the end surface of the main shaft (13), the driven block (4) is arranged in the rectangular through groove of the rotary disc body (3), the driven block (4) is fixedly connected with the radial sliding plate (1) through a first screw (2) and a pin (12), a cylindrical inclined hole is formed in the driven block (4), the driving guide column (8) is arranged in a central guide hole of the main shaft (13), the diameter of the driving guide column (8) is smaller than the diameter of the central guide hole of the main shaft (13) and a circular inclined hole which is in parallel with the cylindrical inclined hole of the driven block (4) in the same direction is reserved, the driving guide column (8) is provided with a circular inclined hole which is provided with a retainer, the circular sealing bead sleeve (9) is arranged in the circular space between the driving guide column (8) and the main shaft (13), one end of the driving guide column (5) is provided with a size which is equal to that of the cylindrical inclined hole (4) of the driven block (5), the inclined hole (4) is arranged in the inclined hole which is arranged in the inclined hole of the driven block (4), the auxiliary guide sleeve (10) is an annular bead sleeve with a retainer, and the auxiliary guide sleeve (10) is arranged in an annular space between the turning inclined guide rod (5) and the driven block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811081345.9A CN108953536B (en) | 2018-09-17 | 2018-09-17 | Precise rotary disc feeding and turning transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811081345.9A CN108953536B (en) | 2018-09-17 | 2018-09-17 | Precise rotary disc feeding and turning transmission device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108953536A CN108953536A (en) | 2018-12-07 |
| CN108953536B true CN108953536B (en) | 2023-11-07 |
Family
ID=64476636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811081345.9A Active CN108953536B (en) | 2018-09-17 | 2018-09-17 | Precise rotary disc feeding and turning transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108953536B (en) |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1039603A (en) * | 1951-01-24 | 1953-10-08 | Reversing device | |
| GB2079642A (en) * | 1980-07-17 | 1982-01-27 | Montebello Hall Ltd | Tool feed attachment for machine tools |
| GB8406942D0 (en) * | 1983-03-18 | 1984-04-18 | Gildemeister Devlieg System | Peripheral apparatus |
| EP0136565A2 (en) * | 1983-09-01 | 1985-04-10 | Rabbe Dr.med. Nordström | Unit comprising a piston engine and a drive |
| DD224522A1 (en) * | 1984-06-05 | 1985-07-10 | Schwerin Plastmaschinen | FEEDING GEAR FOR GENERATING RADIAL ADJUSTMENT MOVEMENTS ON ROTATING TOOL CARRIER |
| US5359171A (en) * | 1991-02-23 | 1994-10-25 | Yoshitaka Aoyama | Parts feeding device |
| FR2722553A1 (en) * | 1994-07-15 | 1996-01-19 | Sopap Sa | Cam for transformation of rotary movement to linear movement with variable amplitude |
| JP3016481B1 (en) * | 1999-02-22 | 2000-03-06 | マシンクラフト株式会社 | Reciprocating machine tools |
| EP1659288A1 (en) * | 2004-11-23 | 2006-05-24 | Schaeffler KG | Axial piston pump |
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| JP2009208612A (en) * | 2008-03-04 | 2009-09-17 | Mazda Motor Corp | Variable steering angle ratio steering device for vehicle |
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| KR20110039654A (en) * | 2009-10-12 | 2011-04-20 | (주)원에스티 | Linear motion guide unit |
| KR101075096B1 (en) * | 2011-05-11 | 2011-10-19 | 디에스케이기계주식회사 | Gripper driving device of automatic tool changer for machine tools |
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2018
- 2018-09-17 CN CN201811081345.9A patent/CN108953536B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| GB8406942D0 (en) * | 1983-03-18 | 1984-04-18 | Gildemeister Devlieg System | Peripheral apparatus |
| EP0136565A2 (en) * | 1983-09-01 | 1985-04-10 | Rabbe Dr.med. Nordström | Unit comprising a piston engine and a drive |
| DD224522A1 (en) * | 1984-06-05 | 1985-07-10 | Schwerin Plastmaschinen | FEEDING GEAR FOR GENERATING RADIAL ADJUSTMENT MOVEMENTS ON ROTATING TOOL CARRIER |
| US5359171A (en) * | 1991-02-23 | 1994-10-25 | Yoshitaka Aoyama | Parts feeding device |
| FR2722553A1 (en) * | 1994-07-15 | 1996-01-19 | Sopap Sa | Cam for transformation of rotary movement to linear movement with variable amplitude |
| JP3016481B1 (en) * | 1999-02-22 | 2000-03-06 | マシンクラフト株式会社 | Reciprocating machine tools |
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| CN108311950A (en) * | 2018-04-09 | 2018-07-24 | 南京工程学院 | It is a kind of to index to determining device |
| CN108381264A (en) * | 2018-05-08 | 2018-08-10 | 莱芜市万金机械有限公司 | A kind of high-precision double end facing head |
| CN208778619U (en) * | 2018-09-17 | 2019-04-23 | 南京工程学院 | A kind of precision capstan feeding steering drive device |
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| Publication number | Publication date |
|---|---|
| CN108953536A (en) | 2018-12-07 |
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