CN202169509U - Gearshift speed-changing device for machine tool - Google Patents
Gearshift speed-changing device for machine tool Download PDFInfo
- Publication number
- CN202169509U CN202169509U CN2011202517777U CN201120251777U CN202169509U CN 202169509 U CN202169509 U CN 202169509U CN 2011202517777 U CN2011202517777 U CN 2011202517777U CN 201120251777 U CN201120251777 U CN 201120251777U CN 202169509 U CN202169509 U CN 202169509U
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- gear
- shaft
- driving
- clutch
- motor
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Abstract
The utility model discloses a gearshift speed-changing device for a machine tool, comprising a motor, a case body, a drive shaft, a driven shaft, a machine tool spindle, and a control system, wherein the drive shaft and the driven shaft are disposed in the case body; the drive shaft and the driven shaft, as well as the driven shaft and the machine tool spindle are transmitted via gears; the control system is electrically connected with the motor; at least two drive gears are disposed on the drive shaft; driven gears corresponding to the drive gears are disposed on the driven shaft; clutches as many as the drive gears are disposed on the drive shaft; and the control system is further electrically connected with the clutches, for controlling the corresponding drive gears to rotate via the clutches. The gearshift speed-changing device for a machine tool disclosed by the utility model has the advantages that: the spindle has no need to decelerate when gears are shifted, so that the shifting efficiency is greatly increased, and the shifting time is increased to 2 to 3 seconds from 20 to 30 seconds relative to the present manual gearshift. Moreover, the gearshift is steady, and the waiting time of entering into the next working procedure of a work-piece is shortened, so that the processing efficiency is greatly increased.
Description
Technical field
The utility model relates to a kind of lathe and switches the retaining speed change gear.
Background technology
Existing lathe headstock switches manual shift fork gearshift of the most of employing of retaining speed change gear and the gearshift of hydraulic pressure shift fork.
Manually there is following shortcoming in the shift fork gearshift: manually the shift fork gearshift utilizes traditional shift fork to stir balladeur train and realizes shift speed change, and gearshift has level, generally is no more than 5 grades, and frame for movement is too complicated.Will wait main shaft (near halted state) under very low speed reliably to shift gears when manually shift fork is shifted gears, shift impact power was big when spindle speed was big slightly, and it is unreliable to shift gears, and destroys power shift gear easily, and gear life is short, and shift fork needs manually-operated.
There is following shortcoming in hydraulic pressure shift fork gearshift: the gearshift of hydraulic pressure shift fork utilizes one or several hydraulic cylinder driven gears to move the realization shift speed change, and the simplest two hydraulic cylinders are realized the duplicate gear speed change.Then must use differential hydro cylinder for the gearshift of the gear more than three or three.The hydraulic pressure shift fork need add a cover hydraulic means, converts signal into the magnetic valve action, again with pressure oil content to corresponding hydraulic cylinder, thereby has increased complexity.The hydraulic pressure shift fork can be realized automatic control (without the manually-operated shift fork), but gearshift has level, so gearshift the time will wait main shaft (near halted state) under very low speed reliably to shift gears.
The utility model content
The purpose of the utility model is to provide a kind of lathe to switch the retaining speed change gear, can effectively solve existing lathe gearshift and destroy gear, gearshift complicated problems easily.
In order to solve the problems of the technologies described above; The utility model is realized through following technical scheme: a kind of lathe switches the retaining speed change gear; Comprise motor, casing, driving shaft, driven shaft, machine tool chief axis, control system, said driving shaft and driven shaft all are arranged in the casing, between said driving shaft and the driven shaft, between driven shaft and the machine tool chief axis all through gear drive; Said control system is electrically connected with motor; Said driving shaft is provided with at least two driving gears, and said driven shaft is provided with the driven gear suitable with driving gear, and said driving shaft is provided with the clutch that equates with the driving gear number; Said control system also is electrically connected with clutch, and the driving gear corresponding through Clutch Control rotates.
Preferably; Said main shaft is provided with the spline housing that equates with the driving gear number; The active friction plate of said clutch is arranged on the spline housing, being fixedly connected with driving gear of said clutch from movable friction plate, and said driving gear is arranged on the driving shaft through rolling bearing; The installation that is driving gear is more stable; Also can not rotate with driven gear during adhesive at clutch have an initial velocity, when using this driving gear, causes the speed of driven shaft output to produce bigger fluctuation with regard to not having bigger speed difference like this.
Preferably, said motor is a variable-frequency motor; Infinitely variable speeds can be provided, the rotating speed that output is fit to arbitrarily.
Preferably, said clutch is an electromagnetic clutch; Convenient directly through signal of telecommunication control, realize automation.
Preferably, said driving gear has two; A pair of high gear, a pair of low-speed gear just can satisfy most of demand.
Preferably; Through the belt pulley transmission, said motor is provided with drive pulley between said motor and the driving shaft, and the left end of said driving shaft is provided with driven pulley; Said driving shaft left part is arranged on the casing through bearing block; Be provided with two bearings in the said bearing block, the left part of said driving shaft wore two bearings, was provided with spacer between said two bearings; Because of the main shaft left side is equipped with driven pulley, need install the stable firmly driving shaft of bearing block additional.
Preferably; Said control system comprises master control borad, display, electric appliance box, frequency-variable controller; Said display, electric appliance box, frequency-variable controller all link to each other with master control borad; Said electric appliance box is connected with also that electromagnetic clutch, X axle return zero switch, the Z axle returns zero switch, and said frequency-variable controller links to each other with variable-frequency motor; Return zero switch through master control borad convenient control variable-frequency motor and electromagnetic clutch X, Z and be travel switch, controlling automatically for lathe provides signal source, electric appliance box to be used to distribute electric driving force, and is provided with protective devices such as overload, short circuit, ground connection, interlocking, electric leakage.
Compared with prior art, the utility model has the advantages that: do not need main shaft to slow down when switching retaining, improve switching efficiency greatly, rise to 2-3s from existing manual shift 20-30s switching time.And gearshift steadily, shortens the stand-by period that workpiece gets into next procedure, improved working (machining) efficiency greatly.
Description of drawings
Fig. 1 is the structural representation that a kind of lathe of the utility model switches the retaining speed change gear;
Fig. 2 is the structured flowchart that a kind of lathe of the utility model switches control system in the retaining speed change gear.
The specific embodiment
Consult Fig. 1, Fig. 2 and switch the embodiment of retaining speed change gear for a kind of lathe of the utility model, a kind of lathe switches the retaining speed change gear, comprises motor 1, casing 10, driving shaft 2, driven shaft 3, machine tool chief axis 4, control system; Said driving shaft 2 all is arranged in the casing 10 with driven shaft 3, and all through gear drive, said control system is electrically connected with motor 1 between said driving shaft 2 and the driven shaft 3, between driven shaft 3 and the machine tool chief axis 4; Said driving shaft 2 is provided with at least two driving gears 5, and said driven shaft 3 is provided with the driven gear 6 suitable with driving gear 5, and said driving shaft 2 is provided with the clutch 7 that equates with driving gear 5 numbers; Said control system also is electrically connected with clutch 7; The driving gear 5 corresponding through clutch 7 controls rotates, and said main shaft is provided with the spline housing 8 that equates with driving gear 5 numbers, and the active friction plate of said clutch 7 is arranged on the spline housing 8; Being fixedly connected with driving gear 5 of said clutch 7 from movable friction plate; Said driving gear 5 is arranged on the driving shaft 2 through rolling bearing 9, and said motor 1 is a variable-frequency motor 1, and said clutch 7 is an electromagnetic clutch 7; Said driving gear 5 has two; Through the belt pulley transmission, said motor 1 is provided with drive pulley 11 between said motor 1 and the driving shaft 2, and the left end of said driving shaft 2 is provided with driven pulley 12; Said driving shaft 2 left parts are arranged on the casing 10 through bearing block 13; Be provided with two bearings 15 in the said bearing block 13, the left part of said driving shaft 2 wore two bearings 15, was provided with spacer 14 between said two bearings 15; Said control system comprises master control borad 16, display 17, electric appliance box 18, frequency-variable controller 19; Said display 17, electric appliance box 18, frequency-variable controller 19 all link to each other with master control borad 16, and said electric appliance box 18 is connected with also that electromagnetic clutch 7, X axle return zero switch 20, the Z axle returns zero switch 21, and said frequency-variable controller 19 links to each other with variable-frequency motor 1.
When driving shaft rotated, two spline housings rotated with main shaft, and the driving gear in left side and the driven gear of engagement are the high speed transmission group, and the driving gear on right side and the driven gear of engagement are the low speed transmission group.
When using the high speed transmission group; The active friction plate that the spline housing in left side drives the electromagnetic clutch in left side rotates; The electromagnetic clutch in left side gets; The electromagnetic clutch interlocking dead electricity on right side, the clutch that left side electromagnetic clutch active friction plate and left side driving gear are fixedly connected is from movable friction plate adhesive and together rotation, thus the driving gear that drives the left side rotates; The driving gear in left side is transferred to power on the driven shaft through the driven gear in left side, at the main shaft of power transmission being given lathe through the gear train of driven shaft right-hand member.
When using the low speed transmission group; The active friction plate that the spline housing on right side drives the electromagnetic clutch on right side rotates; The electromagnetic clutch on right side gets; The electromagnetic clutch interlocking dead electricity in left side, the clutch that right side electromagnetic clutch active friction plate is fixedly connected with the right side driving gear is from movable friction plate adhesive and together rotation, thus the driving gear that drives the right side rotates; The driving gear on right side is transferred to power on the driven shaft through the driven gear on right side, at the main shaft of power transmission being given lathe through the gear train of driven shaft right-hand member.
Can be according to the technological requirement of machined part establishment numerical control program, the input system mainboard, frequency-variable controller and system board Combination Control, can need not shut down and under working speed arbitrarily quick automatic switching keep off and whole-process automatic control.When main shaft needs shift speed change, the speed governing of system command variable-frequency motor, the instruction height keeps off electromagnetic clutch interlocking clutch simultaneously, reaches the required speed of mainshaft.Do not need main shaft to slow down when switching retaining, improve switching efficiency greatly, rise to 2-3s from existing manual shift 20-30s switching time.And gearshift steadily, shortens the stand-by period that workpiece gets into next procedure, improved working (machining) efficiency greatly.
The above is merely the specific embodiment of the utility model; But the technical characterictic of the utility model is not limited thereto; Any those skilled in the art is in the field of the utility model, and variation of being done or modification all are encompassed among the claim of the utility model.
Claims (7)
1. a lathe switches the retaining speed change gear; Comprise motor (1), casing (10), driving shaft (2), driven shaft (3), machine tool chief axis (4), control system; Said driving shaft (2) and driven shaft (3) all are arranged in the casing (10); All through gear drive, said control system is electrically connected with motor (1) between said driving shaft (2) and the driven shaft (3), between driven shaft (3) and the machine tool chief axis (4), and it is characterized in that: said driving shaft (2) is provided with at least two driving gears (5); Said driven shaft (3) is provided with and the suitable driven gear (6) of driving gear (5); Said driving shaft (2) is provided with the clutch (7) that equates with driving gear (5) number, and said control system also is electrically connected with clutch (7), and the driving gear (5) corresponding through clutch (7) control rotates.
2. a kind of lathe as claimed in claim 1 switches the retaining speed change gear; It is characterized in that: said main shaft is provided with the spline housing (8) that equates with driving gear (5) number; The active friction plate of said clutch (7) is arranged on the spline housing (8); Being fixedly connected with driving gear (5) from movable friction plate of said clutch (7), said driving gear (5) is arranged on the driving shaft (2) through rolling bearing (9).
3. a kind of lathe as claimed in claim 1 switches the retaining speed change gear, and it is characterized in that: said motor (1) is a variable-frequency motor (1).
4. switch the retaining speed change gear like claim 1 or 2 or 3 described a kind of lathes, it is characterized in that: said clutch (7) is an electromagnetic clutch (7).
5. a kind of lathe as claimed in claim 4 switches the retaining speed change gear, and it is characterized in that: said driving gear (5) has two.
6. a kind of lathe as claimed in claim 1 switches the retaining speed change gear; It is characterized in that: pass through the belt pulley transmission between said motor (1) and the driving shaft (2); Said motor (1) is provided with drive pulley (11); The left end of said driving shaft (2) is provided with driven pulley (12), and said driving shaft (2) left part is arranged on the casing (10) through bearing block (13), is provided with two bearings (15) in the said bearing block (13); The left part of said driving shaft (2) wore two bearings (15), was provided with spacer (14) between said two bearings (15).
7. a kind of lathe as claimed in claim 4 switches the retaining speed change gear; It is characterized in that: said control system comprises master control borad (16), display (17), electric appliance box (18), frequency-variable controller (19); Said display (17), electric appliance box (18), frequency-variable controller (19) all link to each other with master control borad (16); Said electric appliance box (18) is connected with also that electromagnetic clutch (7), X axle return zero switch (20), the Z axle returns zero switch (21), and said frequency-variable controller (19) links to each other with variable-frequency motor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202517777U CN202169509U (en) | 2011-07-15 | 2011-07-15 | Gearshift speed-changing device for machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202517777U CN202169509U (en) | 2011-07-15 | 2011-07-15 | Gearshift speed-changing device for machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202169509U true CN202169509U (en) | 2012-03-21 |
Family
ID=45827714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202517777U Withdrawn - After Issue CN202169509U (en) | 2011-07-15 | 2011-07-15 | Gearshift speed-changing device for machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202169509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248426A (en) * | 2011-07-15 | 2011-11-23 | 陈丰土 | Speed change device for shifting of machine tool |
-
2011
- 2011-07-15 CN CN2011202517777U patent/CN202169509U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248426A (en) * | 2011-07-15 | 2011-11-23 | 陈丰土 | Speed change device for shifting of machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG TANGXI GEAR MACHINE CO., LTD. Free format text: FORMER OWNER: CHEN FENGTU Effective date: 20120315 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120315 Address after: 321075 soup Town, Wucheng District, Zhejiang, Jinhua Patentee after: Zhejiang Tangchi CNC Machine Tools Co., Ltd. Address before: 321075, Zhejiang, Jinhua Province Tang town Zhejiang soup Gear Machine Tool Co., Ltd. Patentee before: Chen Fengtu |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120321 Effective date of abandoning: 20130327 |
|
| RGAV | Abandon patent right to avoid regrant |