CN203817858U - Main shaft automatic gear shifting device of numerical control milling machine - Google Patents
Main shaft automatic gear shifting device of numerical control milling machine Download PDFInfo
- Publication number
- CN203817858U CN203817858U CN201420246056.0U CN201420246056U CN203817858U CN 203817858 U CN203817858 U CN 203817858U CN 201420246056 U CN201420246056 U CN 201420246056U CN 203817858 U CN203817858 U CN 203817858U
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- Prior art keywords
- gear
- hydraulic cylinder
- hydraulic
- transmission shaft
- shift fork
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- Expired - Fee Related
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- 238000003801 milling Methods 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000007935 neutral effect Effects 0.000 claims abstract description 7
- 230000011664 signaling Effects 0.000 claims description 21
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Gear-Shifting Mechanisms (AREA)
Abstract
The utility model discloses a main shaft automatic gear shifting device of a numerical control milling machine, and relates to the technical field of numerical control machine tools. A sliding gear bearing housing is arranged outside a sliding gear in a sleeved mode. One end of a hydraulic shifting fork is connected with the sliding gear bearing housing. The other end of the hydraulic shifting fork is connected with a hydraulic shifting fork transmission shaft. An extension spring is arranged outside the upper end of the hydraulic shifting fork transmission shaft. A gear shifting control hydraulic cylinder is arranged on one side of the upper end of the hydraulic shifting fork transmission shaft. A hydraulic cylinder piston rod is arranged in the gear shifting control hydraulic cylinder. The lower end of the hydraulic cylinder piston rod is provided with a gear shifting driving ring which is matched with the hydraulic shifting fork transmission shaft. A high-speed gear signal switch, a neutral gear signal switch and a low-speed gear signal switch are arranged above one side of the gear shifting control hydraulic cylinder. The main shaft automatic gear shifting device is reasonable in structural design, easy to operate and convenient to use, automatic control is achieved through the hydraulic shifting fork, gear shifting operation can be normally completed, the actual speed of a main shaft conforms to the instruction speed, and the main shaft automatic gear shifting device is safe and reliable and meets the use requirements of people.
Description
Technical field
The utility model relates to a kind of CNC milling machine main shaft automatic gear shift apparatus, belongs to numerical control machine tool technique field.
Background technology
Digit Control Machine Tool is the abbreviation of numerically-controlled machine tool, it is a kind of automated machine tool that program control system is housed, this control system can logically be processed has control coding or other symbolic instruction regulated procedures, and by its decoding, by the numeral of encode, by information carrier, input numerical control device.Through calculation process, by numerical control device, send various control signals, control the action of lathe, shape and size by drawing, automatically process part.Digit Control Machine Tool has solved the part processing problems of complexity, precision, small lot, many kinds preferably, is a kind of flexibility, dynamical automated machine tool, has represented the developing direction of modern machine control technology, is a kind of typical electromechanical integrated product.And CNC milling machine is integrated numerical control system on plain-milling machine, can under the control of program code, more accurately carry out the lathe of Milling Process.
Output torque when improving main shaft low speed, meet the cutting requirement of main shaft low speed high torque, in big-and-middle-sized Digit Control Machine Tool, main shaft conventionally 2 grades or 3 grades gears of employing is shifted gears transmission mouths for Digit Control Machine Tool, the gearshift of CNC milling machine gal work central principal axis is that system is automatically differentiated according to main shaft instruction rotating speed and changes gear, and automaticity is higher, once break down, may relate to many-sided reasons such as digital control system, machinery, electric, hydraulic pressure, fault diagnosis is more complicated.
Utility model content
For the problems referred to above, the technical problems to be solved in the utility model is to provide a kind of CNC milling machine main shaft automatic gear shift apparatus.
A kind of CNC milling machine main shaft automatic gear shift apparatus of the present utility model, it comprises body, jackshaft, shifting slide gear, shifting slide gear bearing holder (housing, cover), hydraulic pressure shift fork, hydraulic pressure shift fork power transmission shaft, extension spring, gearshift band rotating ring, hydraulic cylinder is controlled in gearshift, hydraulic cylinder piston rod, top gear signaling switch, neutral signaling switch, low or first gear signaling switch, in body, be provided with jackshaft, on jackshaft, be provided with shifting slide gear, shifting slide gear is arranged with shifting slide gear bearing holder (housing, cover) outward, one end of hydraulic pressure shift fork is connected with shifting slide gear bearing holder (housing, cover), the other end of hydraulic pressure shift fork is connected with hydraulic pressure shift fork power transmission shaft, the upper end outer setting of hydraulic pressure shift fork power transmission shaft has extension spring, upper end one side of hydraulic pressure shift fork power transmission shaft is provided with gearshift and controls hydraulic cylinder, gearshift is controlled in hydraulic cylinder and is provided with hydraulic cylinder piston rod, the lower end of hydraulic cylinder piston rod is provided with gearshift band rotating ring, gearshift band rotating ring matches with hydraulic pressure shift fork power transmission shaft, the side top that hydraulic cylinder is controlled in gearshift is provided with top gear signaling switch, neutral signaling switch and low or first gear signaling switch.
The beneficial effects of the utility model: its reasonable in design, simple to operate, easy to use, adopt hydraulic pressure shift fork to realize automatic control, can normally complete gear shift operation, main shaft actual speed and instruction speed is consistent, safe and reliable, met people's user demand.
Accompanying drawing explanation
For ease of explanation, the utility model is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is structural representation of the present utility model.
1-body; 2-jackshaft; 3-shifting slide gear; 4-shifting slide gear bearing holder (housing, cover); 5-hydraulic pressure shift fork; 6-hydraulic pressure shift fork power transmission shaft; 7-extension spring; 8-gearshift band rotating ring; Hydraulic cylinder is controlled in 9-gearshift; 10-hydraulic cylinder piston rod; 11-top gear signaling switch; 12-neutral signaling switch; 13-low or first gear signaling switch.
The specific embodiment
As shown in Figure 1, this specific embodiment by the following technical solutions: it comprises body 1, jackshaft 2, shifting slide gear 3, shifting slide gear bearing holder (housing, cover) 4, hydraulic pressure shift fork 5, hydraulic pressure shift fork power transmission shaft 6, extension spring 7, gearshift band rotating ring 8, hydraulic cylinder 9 is controlled in gearshift, hydraulic cylinder piston rod 10, top gear signaling switch 11, neutral signaling switch 12, low or first gear signaling switch 13, in body 1, be provided with jackshaft 2, on jackshaft 2, be provided with shifting slide gear 3, the outer shifting slide gear bearing holder (housing, cover) 4 that is arranged with of shifting slide gear 3, one end of hydraulic pressure shift fork 5 is connected with shifting slide gear bearing holder (housing, cover) 4, the other end of hydraulic pressure shift fork 5 is connected with hydraulic pressure shift fork power transmission shaft 6, the upper end outer setting of hydraulic pressure shift fork power transmission shaft 6 has extension spring 7, upper end one side of hydraulic pressure shift fork power transmission shaft 6 is provided with gearshift and controls hydraulic cylinder 9, gearshift is controlled in hydraulic cylinder 9 and is provided with hydraulic cylinder piston rod 10, the lower end of hydraulic cylinder piston rod 10 is provided with gearshift band rotating ring 8, gearshift band rotating ring 8 matches with hydraulic pressure shift fork power transmission shaft 6, the side top that hydraulic cylinder 9 is controlled in gearshift is provided with top gear signaling switch 11, neutral signaling switch 12 and low or first gear signaling switch 13.
This specific embodiment is when spindle speed will be switched to high speed, hydraulic cylinder 9 high speed port oil-feeds are controlled in gearshift, on hydraulic cylinder piston rod 10, move, by gearshift, be with rotating ring 8 band hydrodynamic pressure shift fork power transmission shafts 6 to move, thereby drive on shifting slide gear 3, move the gear wheel on shifting slide gear 3 and the engagement of the pinion on main shaft, realize High-speed Control, simultaneously top gear location switch 11 is connected, and to system, sends the top gear signal that puts in place, completes main shaft top gear switching controls; When spindle speed will be switched to low speed, hydraulic cylinder 9 low speed mouth oil-feeds are controlled in gearshift, hydraulic cylinder piston rod 10 moves down, by gearshift, be with rotating ring 8 band hydrodynamic pressure shift fork power transmission shafts 6 to move, thereby drive shifting slide gear 3 to move down, the pinion on shifting slide gear 3 and the engagement of the gear wheel on main shaft, realizing main shaft low speed controls, simultaneously bottom gear location switch 13 is connected, and to system, sends the bottom gear signal that puts in place, completes main shaft bottom gear switching controls.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (1)
1. a CNC milling machine main shaft automatic gear shift apparatus, is characterized in that: it comprises body (1), jackshaft (2), shifting slide gear (3), shifting slide gear bearing holder (housing, cover) (4), hydraulic pressure shift fork (5), hydraulic pressure shift fork power transmission shaft (6), extension spring (7), gearshift band rotating ring (8), hydraulic cylinder (9) is controlled in gearshift, hydraulic cylinder piston rod (10), top gear signaling switch (11), neutral signaling switch (12), low or first gear signaling switch (13), in body (1), be provided with jackshaft (2), on jackshaft (2), be provided with shifting slide gear (3), the outer shifting slide gear bearing holder (housing, cover) (4) that is arranged with of shifting slide gear (3), one end of hydraulic pressure shift fork (5) is connected with shifting slide gear bearing holder (housing, cover) (4), the other end of hydraulic pressure shift fork (5) is connected with hydraulic pressure shift fork power transmission shaft (6), the upper end outer setting of hydraulic pressure shift fork power transmission shaft (6) has extension spring (7), upper end one side of hydraulic pressure shift fork power transmission shaft (6) is provided with gearshift and controls hydraulic cylinder (9), gearshift is controlled in hydraulic cylinder (9) and is provided with hydraulic cylinder piston rod (10), the lower end of hydraulic cylinder piston rod (10) is provided with gearshift band rotating ring (8), gearshift band rotating ring (8) matches with hydraulic pressure shift fork power transmission shaft (6), the side top that hydraulic cylinder (9) is controlled in gearshift is provided with top gear signaling switch (11), neutral signaling switch (12) and low or first gear signaling switch (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420246056.0U CN203817858U (en) | 2014-05-15 | 2014-05-15 | Main shaft automatic gear shifting device of numerical control milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420246056.0U CN203817858U (en) | 2014-05-15 | 2014-05-15 | Main shaft automatic gear shifting device of numerical control milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203817858U true CN203817858U (en) | 2014-09-10 |
Family
ID=51473401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420246056.0U Expired - Fee Related CN203817858U (en) | 2014-05-15 | 2014-05-15 | Main shaft automatic gear shifting device of numerical control milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203817858U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105817974A (en) * | 2016-05-05 | 2016-08-03 | 泉州鲤城福辉汽车配件有限公司 | Trip stop control system of numerical control brake camshaft grinding machine |
| CN107150245A (en) * | 2016-03-02 | 2017-09-12 | 研岛实业股份有限公司 | Main shaft gearshift |
| CN110523896A (en) * | 2019-10-09 | 2019-12-03 | 青岛航天半导体研究所有限公司 | Electronic Packaging metal shell pin cutting means and system |
-
2014
- 2014-05-15 CN CN201420246056.0U patent/CN203817858U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107150245A (en) * | 2016-03-02 | 2017-09-12 | 研岛实业股份有限公司 | Main shaft gearshift |
| CN107150245B (en) * | 2016-03-02 | 2019-03-15 | 研岛实业股份有限公司 | Main shaft gearshift |
| CN105817974A (en) * | 2016-05-05 | 2016-08-03 | 泉州鲤城福辉汽车配件有限公司 | Trip stop control system of numerical control brake camshaft grinding machine |
| CN110523896A (en) * | 2019-10-09 | 2019-12-03 | 青岛航天半导体研究所有限公司 | Electronic Packaging metal shell pin cutting means and system |
| CN110523896B (en) * | 2019-10-09 | 2024-08-23 | 青岛航天半导体研究所有限公司 | Electronic packaging metal shell pin cutting device and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20150515 |
|
| EXPY | Termination of patent right or utility model |