CN107498362A - The main shaft gear shifting structure of Digit Control Machine Tool - Google Patents
The main shaft gear shifting structure of Digit Control Machine Tool Download PDFInfo
- Publication number
- CN107498362A CN107498362A CN201710889518.9A CN201710889518A CN107498362A CN 107498362 A CN107498362 A CN 107498362A CN 201710889518 A CN201710889518 A CN 201710889518A CN 107498362 A CN107498362 A CN 107498362A
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- CN
- China
- Prior art keywords
- gear
- axle
- shift fork
- main shaft
- machine tool
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/12—Mechanical drives with means for varying the speed ratio
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The present invention proposes a kind of main shaft gear shifting structure of Digit Control Machine Tool, including：The output shaft of main motor is provided with first gear；First axle is provided with second and the 3rd gear, wherein, second gear engages with first gear；Second axle is provided with the 4th gear engaged with the 3rd gear and the left end of the second axle is provided with shaft coupling；The right-hand member of 3rd axle is connected with shaft coupling, and the 3rd axle is provided with spaced apart 5th and the 6th gear in left and right；Splined shaft is provided with the 7th gear, has on the 7th gear and is engaged the first gear ring and the second gear ring being engaged with the 6th gear with the 5th gear；Bearing is located on the 7th gear and between the first gear ring and the second gear ring；Shift fork is connected with bearing；Straight line driving mechanism is connected with shift fork does straight reciprocating motion with shift fork, and then by bearing to drive the 7th gear to do straight reciprocating motion.The main shaft gear shifting structure of Digit Control Machine Tool according to embodiments of the present invention, stability and reliability are preferable.
Description
Technical field
The present invention relates to a kind of main shaft gear shifting structure of Digit Control Machine Tool.
Background technology
Main shaft is the motion of machine tool high speed rotation, is the key position of lathe, and its performance directly affects part processing
Quality.During actual processing, for different materials in order to ensure Part Surface Roughness, form and position tolerance and cutting force etc.,
Main shaft is needed to have different rotating speeds, and shaft transmission realizes the control of a few gear different rotating speeds by different gear combinations.Will
Adapt to various part processing requests and adapt to various operating modes it is necessary to frequently convert rotating speed, therefore gear shifting structure must be reliable and stable,
Some lathes are shifted gears using two oil cylinders as executing agency, but mechanical structure and control are more complicated, and fault rate is high.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.
Therefore, it is an object of the present invention to propose that a kind of main shaft of the preferable Digit Control Machine Tool of stability and reliability changes
Keep off structure.
The main shaft gear shifting structure of Digit Control Machine Tool according to embodiments of the present invention, including：
Main motor, the output shaft of the main motor are provided with first gear；
First axle, the first axle are provided with second gear and the 3rd gear, wherein, the second gear and described first
Gear engages；
Second axle, second axle are provided with the left end of the 4th gear engaged with the 3rd gear and second axle
Provided with shaft coupling；
3rd axle, the right-hand member of the 3rd axle are connected with the shaft coupling, and the 3rd axle is provided with left and right arranged for interval
The 5th gear and the 6th gear；
Splined shaft, the splined shaft are provided with the 7th gear, have on the 7th gear and match with the 5th gear
Close the first gear ring and the second gear ring being engaged with the 6th gear；
Bearing, the bearing are located on the 7th gear and between first gear ring and second gear ring；
Shift fork, the shift fork are connected with the bearing；
Straight line driving mechanism, the straight line driving mechanism are connected with the shift fork to drive the shift fork to do linear reciprocation fortune
It is dynamic, and then by the bearing to drive the 7th gear to do straight reciprocating motion, when first gear ring and the described 5th
When gear engages, second gear ring is out of gear with the described 6th, when first gear ring is out of gear with the described 5th,
Second gear ring engages with the 6th gear, when the 7th gear be located at the 5th gear and the 6th gear it
Between, first gear ring is out of gear with the described 5th and second gear ring is out of gear with the described 6th.
Advantageously, the straight line driving mechanism is oil cylinder, wherein, the piston rod of the oil cylinder is connected with the shift fork.
Advantageously, the main shaft gear shifting structure of described Digit Control Machine Tool also includes casing, and the cylinder body of the oil cylinder is located at described
In casing.
Advantageously, the main shaft gear shifting structure of described Digit Control Machine Tool also includes guide rod, the guide rod and the oil cylinder
Piston rod be arranged in parallel and the guide rod is fixed on the casing, the shift fork can be located to linear reciprocation the guiding
On bar.
Advantageously, the main shaft gear shifting structure of described Digit Control Machine Tool also includes proximity switch, the proximity switch with it is described
Shift fork is connected.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 is the schematic diagram of the main shaft gear shifting structure of Digit Control Machine Tool according to an embodiment of the invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings it is described in detail the main shaft gear shifting structure of Digit Control Machine Tool according to embodiments of the present invention.
As shown in figure 1, the main shaft gear shifting structure of Digit Control Machine Tool according to embodiments of the present invention, including：Main motor 101, the
One axle 103, the second axle 106, the 3rd axle 109, splined shaft 112, bearing 114, shift fork 115, straight line driving mechanism.
Specifically, the output shaft 1011 of main motor 101 is provided with first gear 102.
First axle 103 is provided with the gear 105 of second gear 104 and the 3rd, wherein, second gear 104 and first gear 102
Engagement.
Second axle 106 is provided with the 4th gear 107 engaged with the 3rd gear 105 and the left end of the second axle 106 is provided with connection
Axle device 108.
The right-hand member of 3rd axle 109 is connected with shaft coupling 108, and the 3rd axle 109 is provided with spaced apart 5th gear in left and right
110 and the 6th gear 111.
Splined shaft 112 is provided with the 7th gear 113, has on the 7th gear 113 and is engaged the first tooth with the 5th gear 110
Circle 1131 and the second gear ring 1132 being engaged with the 6th gear 111.
Bearing 114 is located on the 7th gear 113 and between the first gear ring 1131 and the second gear ring 1132.
Shift fork 115 is connected with bearing 114.
The straight line driving mechanism is connected with shift fork 115 does straight reciprocating motion with shift fork 115, and then passes through bearing
114 do straight reciprocating motion with the 7th gear 113 of drive.When the first gear ring 1131 engages with the 5th gear 110, the second gear ring
1132 disengage with the 6th gear 111, when the first gear ring 1131 and the disengagement of the 5th gear 110, the second gear ring 1132 and the 6th tooth
The engagement of wheel 111, when the 7th gear 113 is between the 5th gear 110 and the 6th gear 111, the first gear ring 1131 and the 5th tooth
Wheel 110 disengages and the second gear ring 1132 disengages with the 6th gear 111.Advantageously, the straight line driving mechanism is oil cylinder 116, its
In, the piston rod 1161 of oil cylinder 116 is connected with shift fork 115.
Advantageously, the main shaft gear shifting structure of described Digit Control Machine Tool also includes casing 117, and the cylinder body 1162 of oil cylinder 116 is set
In casing 117.Further, the main shaft gear shifting structure of described Digit Control Machine Tool also includes guide rod 118, guide rod 118 with
The piston rod 1161 of oil cylinder 116 is be arranged in parallel and guide rod 118 is fixed on casing 117, and shift fork 115 can be located to linear reciprocation
On guide rod 118.
Advantageously, the main shaft gear shifting structure of described Digit Control Machine Tool also includes proximity switch 119, and proximity switch 119 is with dialling
Fork 115 is connected.
In other words, the gyration of main shaft uses spindle servo electric machine, the main shaft driven to through gear pair in ram
On.Spindle motor transmits power to first axle 103 by first gear connection, then passes through the gear in first axle 103 and the
The gear engagement of two axles 106, continues passing power, the second axle 106 is coupled with the 3rd axle 109 by shaft coupling 108, by the 3rd axle
109 are eventually transferred to splined shaft 112, drive shaft rotation.Output torque during in order to improve main shaft low, meets main shaft low
The cutting requirement of big torque, in large-size numerical control machine, have and be driven using 2 grades or 3 grades of gear gearshifts, main shaft gear shifting structure in figure
It is by the drive control of hydraulic jack 116.
The conversion of 3 gears is realized using three oil cylinders as executing agency.As shown in figure 1, three hydraulic jacks 116 pass through
The operation of piston rod 1161, shift fork 115 is driven to promote the 7th gear 113 to move, wherein, guide rod 118 is the guiding of shift fork 115
Axle, ensure the stable movement of shift fork 115.7th gear 113 is designed as Split type structure, it is ensured that its good manufacturability.It is close
Switch 119 detects shifting slide gear situation in place, and corresponding function is realized by electrical system.
Whether engaged by the 7th gear 113 in different positions with corresponding gear, realize top gear, neutral, low speed
The mapping function of gear.Fig. 1 gear is neutral, and when piston rod 1161 runs to Far Left, drive shift fork 115 makes the 7th gear
113 the second gear ring 1132 engages with the 6th gear 111 on the 3rd axle 109, because power was transmitted by the 3rd axle 109
Come, therefore now main shaft is high speed gear.Meanwhile proximity switch 119 detects that high speed position is connected, and signal is sent to system,
Complete main shaft top gear switching control.Similarly, when piston rod 1161 runs to rightmost, drive shift fork 115 makes the 7th gear 113
The first gear ring 1131 engaged with the 5th gear 110, so as to realize main shaft low control.
The main shaft gear shifting structure of Digit Control Machine Tool according to embodiments of the present invention, preferably resolving main-gear box needs frequently
The problems such as gearshift, from testing and actually using the result verification practicality of the gear shifting structure, improve the stabilization of axis system
Property and reliability.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more, unless separately
There is clearly specific limit.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art is within the scope of the invention to above-mentioned implementation
Example is changed, changed, replacing and modification, each falls within protection scope of the present invention.
Claims (5)
- A kind of 1. main shaft gear shifting structure of Digit Control Machine Tool, it is characterised in that including：Main motor, the output shaft of the main motor are provided with first gear；First axle, the first axle are provided with second gear and the 3rd gear, wherein, the second gear and the first gear Engagement；Second axle, second axle is provided with the 4th gear engaged with the 3rd gear and the left end of second axle is provided with Shaft coupling；3rd axle, the right-hand member of the 3rd axle are connected with the shaft coupling, and the 3rd axle is provided with left and right spaced apart the Five gears and the 6th gear；Splined shaft, the splined shaft are provided with the 7th gear, have on the 7th gear and the is engaged with the 5th gear One gear ring and the second gear ring being engaged with the 6th gear；Bearing, the bearing are located on the 7th gear and between first gear ring and second gear ring；Shift fork, the shift fork are connected with the bearing；Straight line driving mechanism, the straight line driving mechanism are connected with the shift fork to drive the shift fork to do straight reciprocating motion, And then by the bearing to drive the 7th gear to do straight reciprocating motion, when first gear ring and the 5th gear During engagement, second gear ring is out of gear with the described 6th, described when first gear ring is out of gear with the described 5th Second gear ring engages with the 6th gear, when the 7th gear is between the 5th gear and the 6th gear, First gear ring is out of gear with the described 5th and second gear ring is out of gear with the described 6th.
- 2. the main shaft gear shifting structure of Digit Control Machine Tool according to claim 1, it is characterised in that the straight line driving mechanism is Oil cylinder, wherein, the piston rod of the oil cylinder is connected with the shift fork.
- 3. the main shaft gear shifting structure of Digit Control Machine Tool according to claim 2, it is characterised in that also including casing, the oil The cylinder body of cylinder is located in the casing.
- 4. the main shaft gear shifting structure of Digit Control Machine Tool according to claim 3, it is characterised in that described also including guide rod The piston rod of guide rod and the oil cylinder be arranged in parallel and the guide rod is fixed on the casing, the shift fork can straight line it is past It is located at again on the guide rod.
- 5. the main shaft gear shifting structure of the Digit Control Machine Tool according to any one of claim 1-4, it is characterised in that also include connecing Nearly switch, the proximity switch are connected with the shift fork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710889518.9A CN107498362A (en) | 2017-09-27 | 2017-09-27 | The main shaft gear shifting structure of Digit Control Machine Tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710889518.9A CN107498362A (en) | 2017-09-27 | 2017-09-27 | The main shaft gear shifting structure of Digit Control Machine Tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107498362A true CN107498362A (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710889518.9A Pending CN107498362A (en) | 2017-09-27 | 2017-09-27 | The main shaft gear shifting structure of Digit Control Machine Tool |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000074214A (en) * | 1998-08-31 | 2000-03-14 | Suzuki Motor Corp | Parking lock device |
| CN103111852A (en) * | 2013-02-07 | 2013-05-22 | 常州市宏达机床数控设备有限公司 | Rotating table used for numerically-control machine tool |
| CN204976151U (en) * | 2015-08-03 | 2016-01-20 | 黄山凯新技术咨询有限公司 | A hydraulic pressure shifter for digit control machine tool |
| CN107175355A (en) * | 2016-03-10 | 2017-09-19 | 宁夏银川大河数控机床有限公司 | A kind of self shifter upright drill |
| CN207205949U (en) * | 2017-09-27 | 2018-04-10 | 上海明索重型机械股份有限公司 | The main shaft gear shifting structure of Digit Control Machine Tool |
-
2017
- 2017-09-27 CN CN201710889518.9A patent/CN107498362A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000074214A (en) * | 1998-08-31 | 2000-03-14 | Suzuki Motor Corp | Parking lock device |
| CN103111852A (en) * | 2013-02-07 | 2013-05-22 | 常州市宏达机床数控设备有限公司 | Rotating table used for numerically-control machine tool |
| CN204976151U (en) * | 2015-08-03 | 2016-01-20 | 黄山凯新技术咨询有限公司 | A hydraulic pressure shifter for digit control machine tool |
| CN107175355A (en) * | 2016-03-10 | 2017-09-19 | 宁夏银川大河数控机床有限公司 | A kind of self shifter upright drill |
| CN207205949U (en) * | 2017-09-27 | 2018-04-10 | 上海明索重型机械股份有限公司 | The main shaft gear shifting structure of Digit Control Machine Tool |
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