CN106763630B - Pure mechanical stepless speed regulating device - Google Patents
Pure mechanical stepless speed regulating device Download PDFInfo
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- CN106763630B CN106763630B CN201710046246.6A CN201710046246A CN106763630B CN 106763630 B CN106763630 B CN 106763630B CN 201710046246 A CN201710046246 A CN 201710046246A CN 106763630 B CN106763630 B CN 106763630B
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- screw rod
- supporting plate
- base
- transmission
- adjusting
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- 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
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
- F16H37/16—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types with a driving or driven member which both rotates or oscillates on its axis and reciprocates
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- 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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/04—Ratio selector apparatus
- F16H59/06—Ratio selector apparatus the ratio being infinitely variable
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a pure mechanical stepless speed regulating device, which comprises a front partThe screw rod adjusting mechanism comprises a cover plate, a base, a rear cover plate, a motor base, a motor, a universal coupling, a transmission screw rod, a screw rod female base, a first linear guide rail pair, a rotating shaft screw rod, a rotating shaft, a second linear guide rail pair, an upper supporting plate, a compression screw, a middle supporting plate, a pair adjusting screw rod base, a transmission supporting plate, a screw rod adjusting base, a main adjusting screw rod, a main adjusting nut and a dividing disc, wherein an included angle alpha is formed between the transmission screw rod and an output shaft of the motor, the moving speed of the screw rod female base is v, and the moving speed of the upper supporting plate is v x And v is x = v · cos α. The invention has a pure mechanical structure, is convenient to operate and maintain, and can meet the requirement of large-scale automatic production of non-standard parts.
Description
Technical Field
The invention relates to the technical field of stepless speed regulation equipment, in particular to a purely mechanical stepless speed regulation device.
Background
The stepless speed regulation technology is gradually and widely applied to the fields of mechanical production and processing, automobiles, medical appliances, buildings, military industry, consumer products and the like. The traditional speed regulating device is mainly based on the gear train transmission ratio. The wide application of the modern stepless speed regulation is mainly benefited from the rapid development of a power electronic technology, a stepping servo motor technology, a motor control technology, a hydraulic control technology and the like, and a CVT (continuously variable transmission) gearbox in an automobile is a classic application of the stepless speed regulation. However, the existing stepless speed regulating device has the following technical defects: a motor driver, a motion control card or a PLC and the like are required to be configured, the cost is relatively high, the structure is relatively complex, the adjustment and maintenance are inconvenient, the operation is complex, and operators can work on duty only by needing to train; in addition, the existing stepless speed regulating device is difficult to be applied to the large-scale automatic production of non-standard parts.
Disclosure of Invention
In order to solve the technical problems, the invention provides a pure mechanical stepless speed regulating device which is pure in mechanical structure, convenient to operate and maintain and capable of meeting the requirement of large-scale automatic production of non-standard parts.
The scheme for solving the technical problems is as follows:
the pure mechanical stepless speed regulating device comprises a front cover plate (1), a base (2), a rear cover plate (3), a motor base (4), a motor (5), a universal coupling (10), a transmission screw rod (110), a screw rod female seat (111), a first linear guide rail pair (12), a rotating shaft screw rod (13), a rotating shaft (14), a second linear guide rail pair (15), an upper supporting plate (16), a compression screw (17), a middle supporting plate (18), an auxiliary adjusting screw rod (19), an auxiliary adjusting screw rod seat (20), a transmission supporting plate (21), a screw rod adjusting seat (22), a main adjusting screw rod (23), a main adjusting nut (24) and a dividing disc (25),
the front cover plate (1) is installed at the front end of the base (2), the rear cover plate (3) is installed at the rear end of the base (2), the motor base (4) is installed on the outer side of the rear cover plate (3), the motor (5) is connected with the universal coupling (10), and the universal coupling (10) is placed in the motor base (4);
the universal coupling (10) is connected with a transmission screw rod (110), the transmission screw rod (110) is positioned in the base (2), a screw rod female seat (111) is sleeved outside the transmission screw rod (110), a transmission supporting plate (21) can be rotatably arranged on the top surface of the screw rod female seat (111) in the horizontal plane, a first linear guide rail pair (12) is arranged on the top surface of the transmission supporting plate (21), and a middle supporting plate (18) is arranged on the first linear guide rail pair (12);
the upper supporting plate (16) is hinged with the middle supporting plate (18) through a rotating shaft (14) and a rotating shaft screw rod (13), the upper supporting plate (16) is provided with a first arc-shaped through hole (160), a compression screw (17) penetrates through the first arc-shaped through hole (160) to be connected with the middle supporting plate (18), the second linear guide rail pair (15) is fixedly arranged at the left top end and the right top end of the base (2), and the upper supporting plate (16) is installed on the second linear guide rail pair (15);
the auxiliary adjusting screw rod seat (20) is arranged on the side surface of the upper supporting plate (16), the auxiliary adjusting screw rod (19) penetrates through a threaded hole of the auxiliary adjusting screw rod seat (20), the tail end of the auxiliary adjusting screw rod (19) is provided with a sliding block (191), the side surface of the middle supporting plate (18) is provided with a sliding way (180), and the sliding block (191) is connected into the sliding way (180) in a sliding manner;
the tail end of the transmission screw rod (110) is fixedly connected with a screw rod adjusting seat (22), the lower end of the screw rod adjusting seat (22) is inserted into a second arc-shaped through hole (20) in the bottom surface of the base (2), a main adjusting nut (24) is sleeved outside the main adjusting screw rod (23), a horizontal connecting part (240) is arranged on the side surface of the main adjusting nut (24), a linear strip-shaped hole (241) is formed in the horizontal connecting part (240), a vertical pin shaft (220) is arranged on the screw rod adjusting seat (22), the pin shaft (220) penetrates through the linear strip-shaped hole (241), the main adjusting screw rod (23) penetrates out of the side surface of the base (2), and the side surface is provided with a dividing disc (25);
an included angle alpha is formed between the transmission screw rod (110) and an output shaft of the motor (5), the moving speed of the screw rod female seat (111) is v, and the moving speed of the upper supporting plate (16) is v x And v is x ＝v·cosα。
Dust covers (6) are arranged in front of and behind the upper supporting plate (16).
The head end of the main adjusting screw rod (23) is provided with a main adjusting hand wheel (230), and the head end of the auxiliary adjusting screw rod (19) is provided with an auxiliary adjusting hand wheel (190).
Compared with the prior art, the invention has the following advantages:
the invention relates to a purely mechanical stepless speed regulating device, which comprises the following components: 1. compared with a speed-adjustable device driven by a servo stepping motor, the speed-adjustable device driven by the servo stepping motor is driven by a common motor, and can realize simple and quick adjustment of transmission speed without a motor driver, a motion control card or a PLC (programmable logic controller) and the like, thereby greatly reducing the cost, having simple structure and easy maintenance, and simultaneously meeting a plurality of occasions with different working speed requirements. 2. The invention is very suitable for common machines in mass production, has the advantages of simple operation, convenient adjustment, low price, convenient and quick maintenance, is more power-saving, more environment-friendly and more durable than speed adjusting mechanisms controlled by other drivers, operation control cards, PLC and the like, and can be put on duty without training. 3. The invention can be widely applied to the turning of full-automatic unattended large-batch standard and non-standard parts (including the production of non-standard threads and standard threads) and the turning of parts with different finish degrees.
Drawings
Fig. 1 is a perspective view of a pure mechanical stepless speed regulating device of the present invention.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is an internal structural view of fig. 1. (angle from bottom to top)
Fig. 4 is an internal structural view of fig. 1. (Angle from the top down)
Fig. 5 is a partial sectional view of fig. 1.
FIG. 6 is v x Schematic diagram of = v · cos α.
Detailed Description
The invention is further illustrated by the following figures and examples.
The pure mechanical stepless speed regulating device shown in fig. 1-5 comprises a front cover plate 1, a base 2, a rear cover plate 3, a motor base 4, a motor 5, a universal coupling 10, a transmission screw rod 110, a screw rod female seat 111, a first linear guide rail pair 12, a rotating shaft screw rod 13, a rotating shaft 14, a second linear guide rail pair 15, an upper supporting plate 16, a compression screw 17, a middle supporting plate 18, an auxiliary adjusting screw rod 19, an auxiliary adjusting screw rod seat 20, a transmission supporting plate 21, a screw rod adjusting seat 22, a main adjusting screw rod 23, a main adjusting nut 24 and an index plate 25,
the front cover plate 1 is arranged at the front end of the base 2, the rear cover plate 3 is arranged at the rear end of the base 2, the motor base 4 is arranged on the outer side of the rear cover plate 3, the motor 5 is connected with the universal coupling 10, and the universal coupling 10 is placed in the motor base 4;
the universal coupling 10 is connected with a transmission screw rod 110, the transmission screw rod 110 is positioned in the base 2, a screw rod female seat 111 is sleeved outside the transmission screw rod 110, a transmission supporting plate 21 can be rotatably arranged on the top surface of the screw rod female seat 111 in the horizontal plane, a first linear guide rail pair 12 is arranged on the top surface of the transmission supporting plate 21, and an intermediate supporting plate 18 is arranged on the first linear guide rail pair 12;
the upper supporting plate 16 is hinged with the middle supporting plate 18 through a rotating shaft 14 and a rotating shaft screw rod 13, the upper supporting plate 16 is provided with a first arc-shaped through hole 160, a compression screw 17 penetrates through the first arc-shaped through hole 160 to be connected with the middle supporting plate 18, the second linear guide rail pair 15 is fixedly arranged at the left top end and the right top end of the base 2, and the upper supporting plate 16 is arranged on the second linear guide rail pair 15;
the auxiliary adjusting screw rod seat 20 is arranged on the side surface of the upper supporting plate 16, the auxiliary adjusting screw rod 19 penetrates through a threaded hole of the auxiliary adjusting screw rod seat 20, the tail end of the auxiliary adjusting screw rod 19 is a sliding block 191, the side surface of the middle supporting plate 18 is provided with a sliding way 180, and the sliding block 191 is connected in the sliding way 180 in a sliding way;
the tail end of the transmission screw rod 110 is fixedly connected with a screw rod adjusting seat 22, the lower end of the screw rod adjusting seat 22 is inserted into a second arc-shaped through hole 200 in the bottom surface of the base 2, a main adjusting nut 24 is sleeved outside a main adjusting screw rod 23, a horizontal connecting part 240 is arranged on the side surface of the main adjusting nut 24, the horizontal connecting part 240 is provided with a linear strip-shaped hole 241, the screw rod adjusting seat 22 is provided with a vertical pin shaft 220, the pin shaft 220 penetrates through the linear strip-shaped hole 241, the main adjusting screw rod 23 penetrates out of the side surface of the base 2, and the side surface is provided with an index plate 25;
an included angle alpha is formed between the transmission screw rod 110 and the output shaft of the motor 5, the moving speed of the screw rod female seat 111 is v, and the moving speed of the upper supporting plate 16 is v x And v is x And = v · cos α, as shown in fig. 6.
The head end of the main adjusting screw 23 is provided with a main adjusting hand wheel 230, and the head end of the auxiliary adjusting screw 19 is provided with an auxiliary adjusting hand wheel 190.
The pure mechanical stepless speed regulating device has the use process that:
1. the outer side end of the auxiliary adjusting screw rod 19 is provided with an auxiliary adjusting hand wheel 190, the auxiliary adjusting hand wheel 190 is rotated according to design requirements, the middle supporting plate 18 rotates, the tail end of the auxiliary adjusting screw rod 19 is provided with a sliding block 191, the side surface of the middle supporting plate 18 is provided with a sliding way 180, the sliding block 191 is connected in the sliding way 180 in a sliding way, the sliding block 191 pushes or pulls the middle supporting plate 18, and the sliding block 191 and the sliding way 180 have a gap but cannot be separated. After the adjustment is finished, the compression screw 17 is tightened, the upper supporting plate 16 and the middle supporting plate 18 are integrated, and the angle of the middle supporting plate 18 influences the moving speed v of the upper supporting plate 16 x 。
2. The motor 5 is a common motor with a fixed rotating speed, the motor 5 is started, the motor 5 transmits rotation to the transmission screw rod 110 through the universal coupling 10, and the screw rod female seat 111 sleeved on the transmission screw rod 110 changes the rotation of the motor into linear motion at a speed v.
An included angle alpha is formed between the transmission screw rod 110 and the output shaft of the motor 5, the moving speed of the screw rod female seat 111 is v, and the moving speed of the upper supporting plate 16 is v x And v is x And = v · cos α, as shown in fig. 6.
A main adjusting hand wheel 230 is arranged on the outer side of the main adjusting screw 23, the main adjusting hand wheel 230 is rotated, the main adjusting nut 24 sleeved on the main adjusting screw 23 linearly moves relative to the main adjusting screw 23, and the screw rod adjusting seat 22 hinged with the main adjusting nut 24 slides along the second arc-shaped through hole 200 at the bottom of the base 2, so that the transmission screw rod can be transmitted to the screw rod adjusting seat through the second arc-shaped through hole 200The included angle alpha between the movable screw rod 110 and the output shaft of the motor 5 is changed, v x = v · cos α, the moving speed v of the upper pallet 16 can be obtained differently x 。
3. v and v x The transmission of (2): the lead screw female seat 111 moves (v) → the transmission supporting plate 21 rotates horizontally → the intermediate supporting plate 18 moves along the first linear guide rail pair 12 → the upper supporting plate 16 moves along the second linear guide rail pair 15 (v) x )。
The present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.
Claims (1)
1. Pure mechanical stepless speed regulating device, its characterized in that: comprises a front cover plate (1), a base (2), a rear cover plate (3), a motor base (4), a motor (5), a universal coupling (10), a transmission screw rod (110), a screw rod female seat (111), a first linear guide rail pair (12), a rotating shaft screw rod (13), a rotating shaft (14), a second linear guide rail pair (15), an upper supporting plate (16), a compression screw (17), a middle supporting plate (18), an auxiliary adjusting screw rod (19), an auxiliary adjusting screw rod seat (20), a transmission supporting plate (21), a screw rod adjusting seat (22), a main adjusting screw rod (23), a main adjusting nut (24) and an index plate (25),
the front cover plate (1) is installed at the front end of the base (2), the rear cover plate (3) is installed at the rear end of the base (2), the motor base (4) is installed on the outer side of the rear cover plate (3), the motor (5) is connected with the universal coupling (10), and the universal coupling (10) is placed in the motor base (4);
the universal coupling (10) is connected with a transmission screw rod (110), the transmission screw rod (110) is positioned in the base (2), a screw rod female seat (111) is sleeved outside the transmission screw rod (110), a transmission supporting plate (21) can be rotatably arranged on the top surface of the screw rod female seat (111) in the horizontal plane, a first linear guide rail pair (12) is arranged on the top surface of the transmission supporting plate (21), and a middle supporting plate (18) is arranged on the first linear guide rail pair (12);
the upper supporting plate (16) is hinged with the middle supporting plate (18) through a rotating shaft (14) and a rotating shaft screw rod (13), the upper supporting plate (16) is provided with a first arc-shaped through hole (160), a compression screw (17) penetrates through the first arc-shaped through hole (160) to be connected with the middle supporting plate (18), the second linear guide rail pair (15) is fixedly arranged at the left top end and the right top end of the base (2), and the upper supporting plate (16) is installed on the second linear guide rail pair (15);
the auxiliary adjusting screw rod seat (20) is fixedly arranged on the side surface of the upper supporting plate (16), the auxiliary adjusting screw rod (19) penetrates through a threaded hole of the auxiliary adjusting screw rod seat (20), the tail end of the auxiliary adjusting screw rod (19) is provided with a sliding block (191), the side surface of the middle supporting plate (18) is provided with a sliding way (180), and the sliding block (191) is connected into the sliding way (180) in a sliding manner; the tail end of the transmission screw rod (110) is fixedly connected with a screw rod adjusting seat (22), the lower end of the screw rod adjusting seat (22) is inserted into a second arc-shaped through hole in the bottom surface of the base (2), a main adjusting nut (24) is sleeved outside a main adjusting screw rod (23), a horizontal connecting part (240) is arranged on the side surface of the main adjusting nut (24), the horizontal connecting part (240) is provided with a linear strip-shaped hole (241), the screw rod adjusting seat (22) is provided with a vertical pin shaft (220), the pin shaft (220) penetrates through the linear strip-shaped hole (241), the main adjusting screw rod (23) penetrates out of the side surface of the base (2), and the side surface is provided with a dividing disc (25);
an included angle alpha is formed between the transmission screw rod (110) and an output shaft of the motor (5), the moving speed of the screw rod female seat (111) is v, and the moving speed of the upper supporting plate (16) is v x And v is x ＝v cosα；
Dust covers (6) are arranged in front of and behind the upper supporting plate (16);
the head end of the main adjusting screw rod (23) is provided with a main adjusting hand wheel (230), and the head end of the auxiliary adjusting screw rod (19) is provided with an auxiliary adjusting hand wheel (190).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710046246.6A CN106763630B (en) | 2017-01-20 | 2017-01-20 | Pure mechanical stepless speed regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710046246.6A CN106763630B (en) | 2017-01-20 | 2017-01-20 | Pure mechanical stepless speed regulating device |
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| Publication Number | Publication Date |
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| CN106763630A CN106763630A (en) | 2017-05-31 |
| CN106763630B true CN106763630B (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710046246.6A Active CN106763630B (en) | 2017-01-20 | 2017-01-20 | Pure mechanical stepless speed regulating device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109129103A (en) * | 2018-08-14 | 2019-01-04 | 黄山市景鑫光学设备科技有限公司 | A kind of spherical surface miling-grinding machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090073957A (en) * | 2007-12-31 | 2009-07-03 | 이광섭 | Continuously variable transmission |
| CN201530140U (en) * | 2009-11-06 | 2010-07-21 | 华中科技大学 | Diagonal tension driven connecting rod pressure transmission mechanism |
| CN105665884A (en) * | 2016-04-21 | 2016-06-15 | 常州忠尚机器人设计有限公司 | Welding robot for ring reinforcing |
| CN106122416A (en) * | 2016-08-12 | 2016-11-16 | 麦斯克电子材料有限公司 | A kind of rigidity Large-torsion transmisson buncher |
-
2017
- 2017-01-20 CN CN201710046246.6A patent/CN106763630B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090073957A (en) * | 2007-12-31 | 2009-07-03 | 이광섭 | Continuously variable transmission |
| CN201530140U (en) * | 2009-11-06 | 2010-07-21 | 华中科技大学 | Diagonal tension driven connecting rod pressure transmission mechanism |
| CN105665884A (en) * | 2016-04-21 | 2016-06-15 | 常州忠尚机器人设计有限公司 | Welding robot for ring reinforcing |
| CN106122416A (en) * | 2016-08-12 | 2016-11-16 | 麦斯克电子材料有限公司 | A kind of rigidity Large-torsion transmisson buncher |
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