CN2540244Y - Stepless speed regulating mechanism of bench drill, drilling-milling machine - Google Patents
Stepless speed regulating mechanism of bench drill, drilling-milling machine Download PDFInfo
- Publication number
- CN2540244Y CN2540244Y CN 02233851 CN02233851U CN2540244Y CN 2540244 Y CN2540244 Y CN 2540244Y CN 02233851 CN02233851 CN 02233851 CN 02233851 U CN02233851 U CN 02233851U CN 2540244 Y CN2540244 Y CN 2540244Y
- Authority
- CN
- China
- Prior art keywords
- spline
- movable
- drilling
- stepless speed
- housing
- Prior art date
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- Expired - Fee Related
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- Drilling And Boring (AREA)
Abstract
The utility model relates to a bench drill and a drill mill bed stepless speed adjuster, belonging to machine technical field, for providing a stepless speed adjuster with constant power speed transmission in drilling, stepless speed adjustment, wide speed adjustment range, simple operation, high safety, simple structure, low cost, and the application on prior product. The utility model is characterized in that the output shaft of a motor is mounted with a fixed active semi-band wheel with a spline and a movable active semi-band wheel with a spline sheath, while the splines of the two wheels can be connected and switched, the upper end of a main shaft is mounted with a fixed inactive semi-band wheel with a spline and a movable inactive semi-band wheel with a spline sheath, the active and inactive wheels are connected via a speed-adjusting band, the two movable semi-band wheels are mounted with a bearing and a bearing sheath, the active and inactive two bearing sheaths are connected with a dial fork between while the dial fork can slide on a guiding rod, and the lower end of the dial fork is arranged with a cut and a rotary handle. The utility model can be used on bench drill and drill mill bed.
Description
Technical field
The utility model relates to lathe, especially a kind of bench drill, drilling and milling machine stepless speed regulation.Be applicable to general bench drill, drilling and milling machine.
Background technology
Bench drill and platform milling machine are the widely used drilling devices of machine-building and maintenance industry, the bench drill speed change of continuing to use for a long time solves by a pair of pagoda belt pulley gear shift, speed regulation process will stop, open protective cover, manual gear shift supervisor, cumbersome and the poor stability of operating process, and be to have level to adjust, the optimum state when being difficult for making the speed of mainshaft to be transferred to various apertures drilling corresponding to different materials.
Summary of the invention
The technical problems to be solved in the utility model is: a kind of characteristics that both kept the permanent power speed changes of drilling needs are provided, and can realize infinitely variable speeds, the speed adjustable range broad, easy and simple to handle, safe, do not need the speed governing of stopping, simple in structure, cost is lower, can be on existing product matching used bench drill, drilling and milling machine stepless speed regulation.
The technical scheme that the utility model adopted is: bench drill, drilling and milling machine stepless speed regulation, contain motor, column, main shaft, main spindle box, its design feature is to be equipped with on the motor output shaft to have initiatively fixedly active half belt wheel and movable initiatively half belt wheel that has the active spline housing of spline, but above-mentioned two-wheeled spline connects and opening and closing; Fixing driven half belt wheel that has driven flower and movable driven half belt wheel that has driven spline housing also are equipped with in the main shaft upper end, but above-mentioned two-wheeled spline connects and opening and closing, be connected with speed belt between driving wheel and the driven pulley, on two movable half belt wheels bearing and bearing holder (housing, cover) are housed, be connected with a shift fork that is " it " word shape that can on guide rod, slide between master and slave two bearing holder (housing, cover)s, the shift fork lower end has breach, by bearing pin rotating handle is housed in it.
Described bearing holder (housing, cover) has the groove of the shift fork arm that can insert shift fork.
The beneficial effects of the utility model are: this speed adjusting gear has been made substantial improvement to existing traditional pagoda belt pulley gearshift mechanism, its advance that shows has: the characteristics that 1) kept the permanent power speed change of former such lathe, be main shaft when running up moment little, moment is big during low-speed running, can adapt to the characteristic of drilling work well; 2) realize infinitely variable speeds, can make cutting speed be transferred to the best, thereby improve operating efficiency; 3) speed adjustable range broad, speed ratio are 1: 3.3～3: 1; 4) easy and simple to handle, safe, do not need the speed governing of stopping; 5) simple in structure, cost is lower, can supporting use on existing product.
Description of drawings
Fig. 1 is a structure chart of the present utility model.
The specific embodiment
What Fig. 1 represented is that this speed adjusting gear is used in the structure chart on the bench drill, and the centre is a column 12, and the rear portion is a motor 11, and there are main spindle box 14 and main shaft 13 in the front portion.Fixedly active half belt wheel 1 that has active spline 1-1 is housed on the motor output shaft and has initiatively movable initiatively half belt wheel 2 of spline housing 2-1, but above-mentioned two-wheeled inclined-plane is inwardly by spline connection and opening and closing; Fixing driven half belt wheel 9 that has driven spline 9-1 and movable driven half belt wheel 8 that has driven spline housing 8-1 also are equipped with in main shaft 13 upper ends, but above-mentioned two-wheeled also connects and opening and closing by spline.Be connected with special-purpose speed belt 10 between driving wheel and the driven pulley.On movable initiatively half belt wheel 2 and movable driven half belt wheel 8 bearing 3 and bearing holder (housing, cover) 4 are housed, have groove 4-1 on the bearing holder (housing, cover), anterior position slightly at column 12 has a vertical guide rod 5, be with " it " font shift fork 6 that can vertically slide on it, two arms of shift fork insert respectively in the groove 4-1 on master and slave two bearing holder (housing, cover)s, be provided with a breach 6-1 in the bottom of shift fork, connecting by bearing pin in it can be around the handle 7 of bearing pin rotation.
Operation principle of the present utility model is: behind the electric motor starting, the transmission mechanism running, operating grip 7 when needing speed governing, when the handle clockwise direction promotes, shift fork 6 is moved up, drive activity initiatively half belt wheel 2 moves up with movable driven half belt wheel 8, driven pulley is opened, driving wheel closes up, add action of centrifugal force when rotating, the working diameter of special-purpose speed belt 10 on driving wheel increased, driven pulley working diameter on one side reduces, the speed of mainshaft increases, otherwise, operating grip 7 is counterclockwise promoted, shift fork 6 moves down, the driving wheel working diameter is diminished, the driven pulley working diameter increases, and the speed of mainshaft is reduced, and operating grip 6 just can regulated at will drilling speed so easily.
Need to prove other plant equipment that needs permanent power speed change in the power bracket of this speed adjusting gear for the single belt transmission, be suitable for equally as drilling and milling machine, bench lathe etc.
Claims (2)
1. a bench drill, drilling and milling machine stepless speed regulation, contain motor (11), column (12), main shaft (13), main spindle box (14), it is characterized in that: fixedly active half belt wheel (1) that has active spline (1-1) is housed on the motor output shaft and has initiatively movable initiatively half belt wheel (2) of spline housing (2-1), but above-mentioned two-wheeled spline connects and opening and closing; Fixing driven half belt wheel (9) that has driven spline (9-1) and movable driven half belt wheel (8) that has driven spline housing (8-1) also are equipped with in main shaft (13) upper end, but above-mentioned two-wheeled spline connects and opening and closing, be connected with speed belt (10) between driving wheel and the driven pulley, bearing (3) and bearing holder (housing, cover) (4) are housed on two movable half belt wheels, be connected with one between master and slave two bearing holder (housing, cover)s and can go up the shift fork that is " it " word shape (6) that slides at guide rod (5), the shift fork lower end has breach (6-1), by bearing pin rotating handle (7) is housed in it.
2. bench drill according to claim 1, drilling and milling machine stepless speed regulation is characterized in that: described bearing holder (housing, cover) (4) has the groove (4-1) of the shift fork arm that can insert shift fork (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02233851 CN2540244Y (en) | 2002-05-18 | 2002-05-18 | Stepless speed regulating mechanism of bench drill, drilling-milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02233851 CN2540244Y (en) | 2002-05-18 | 2002-05-18 | Stepless speed regulating mechanism of bench drill, drilling-milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2540244Y true CN2540244Y (en) | 2003-03-19 |
Family
ID=33708884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02233851 Expired - Fee Related CN2540244Y (en) | 2002-05-18 | 2002-05-18 | Stepless speed regulating mechanism of bench drill, drilling-milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2540244Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583820A (en) * | 2016-11-29 | 2017-04-26 | 武汉冶钢结构有限责任公司 | Simple device for processing shaft key grooves and method thereof |
| CN107052982A (en) * | 2017-04-19 | 2017-08-18 | 山东交通职业学院 | Honing machine grinding wheel head driving mechanism |
| CN112846308A (en) * | 2021-01-05 | 2021-05-28 | 高玉文 | Drilling auxiliary device for metal processing |
-
2002
- 2002-05-18 CN CN 02233851 patent/CN2540244Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583820A (en) * | 2016-11-29 | 2017-04-26 | 武汉冶钢结构有限责任公司 | Simple device for processing shaft key grooves and method thereof |
| CN107052982A (en) * | 2017-04-19 | 2017-08-18 | 山东交通职业学院 | Honing machine grinding wheel head driving mechanism |
| CN107052982B (en) * | 2017-04-19 | 2019-12-13 | 山东交通职业学院 | Honing machine bistrique actuating mechanism |
| CN112846308A (en) * | 2021-01-05 | 2021-05-28 | 高玉文 | Drilling auxiliary device for metal processing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030319 Termination date: 20100518 |