CN209407433U - A kind of main shaft of drilling and milling machine - Google Patents
A kind of main shaft of drilling and milling machine Download PDFInfo
- Publication number
- CN209407433U CN209407433U CN201822095327.8U CN201822095327U CN209407433U CN 209407433 U CN209407433 U CN 209407433U CN 201822095327 U CN201822095327 U CN 201822095327U CN 209407433 U CN209407433 U CN 209407433U
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- CN
- China
- Prior art keywords
- spindle
- main shaft
- central spindle
- driving
- cavity
- Prior art date
- 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.)
- Expired - Fee Related
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- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The utility model discloses a kind of main shafts of drilling and milling machine comprising spindle main body, spindle main body include spindle box, are internally provided with the first cavity；Main shaft central spindle is located in the first cavity, and it is connected by bearing with spindle box, the internal diameter of bearing is gradually increased from top to bottom, the outer wall of main shaft central spindle is cone compatible with bearing, spindle shaft core inner is equipped with the second cavity, and main shaft central spindle is equipped with one and goes out the edge of a knife, the edge of a knife is connected with the second cavity out；Broaching tool central spindle is contained in the second cavity and is connected with main shaft central spindle, and broaching tool central spindle includes dress cutter head, and dress tool bit part stretches out the edge of a knife out；First driving device is connected with main shaft central spindle, and rotates for driving spindle central spindle around own axes；Second driving device is connected with spindle main body, and moves up and down for driving spindle main body and first driving device.Convenient for assembly positioning and assembly precision is improved, assembling speed and precision can be improved, at high speed in use, the bounce of the good control shaft of energy.
Description
Technical field
The utility model relates to field of machining, and in particular to a kind of main shaft of drilling and milling machine.
Background technique
CNC milling machine refers to the lathe that can carry out Milling Process to workpiece with main shaft, and main composition part generally includes
Base, workbench, main shaft, spindle drive motor, Feed servo system motor and the fixture for fixing workpiece；When operation, main shaft
The movement of rotation is main motion, and the relative motion between workpiece and main shaft is feed motion, and front-end of spindle is equipped with cutterhead, passes through
Main axis, band movable knife disc process workpiece.Existing spindle mounted precision is not high, at high speed in use, cannot
The bounce of good control shaft.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of this utility model is to provide a kind of main shafts of drilling and milling machine, main
The assembly precision of axis is high, at high speed in use, the bounce of the good control shaft of energy.
To achieve the above objectives, the technical scheme adopted by the utility model is that:
A kind of main shaft of drilling and milling machine comprising:
Spindle main body, the spindle main body include:
Spindle box is internally provided with the first cavity；
Main shaft central spindle is located in first cavity, and is connected by bearing with the spindle box, the bearing
Internal diameter is gradually increased from top to bottom, and the outer wall of the main shaft central spindle is cone compatible with the bearing, the spindle shaft
Core inner is equipped with the second cavity, and the main shaft central spindle is equipped with one and goes out the edge of a knife, and the edge of a knife out is connected with second cavity；
Broaching tool central spindle is contained in second cavity and is connected with the main shaft central spindle, and the broaching tool central spindle includes
Cutter head is filled, the dress tool bit part stretches out the edge of a knife out；
First driving device is connected with the main shaft central spindle, and for driving the main shaft central spindle to revolve around own axes
Turn；
Second driving device is connected with the spindle main body, and for driving the spindle main body and the first driving dress
Set up and down motion.
Based on the above technical solution, the first driving device includes:
Synchronous pulley is connected with the main shaft central spindle,
Spindle motor, output end are connected with the synchronous pulley, and for driving the synchronous pulley to drive the master
Axis central spindle is rotated around own axes.
Based on the above technical solution, second driving device includes:
Ball screw assembly, comprising the lead screw and the feed screw nut on the lead screw being vertically arranged, the lead screw spiral shell
It is female to be connected with the spindle box；
Second driving motor, output end are connected with the lead screw, and for driving the spindle main body and the first driving
Device moves up and down.
Based on the above technical solution, second driving motor is servo motor.
Based on the above technical solution, the outer diameter of the dress cutter head is gradually increased from top to bottom, and the edge of a knife out is
Cone compatible with the dress cutter head.
Based on the above technical solution, the spindle main body further includes broaching tool oil cylinder, and the broaching tool oil cylinder is set to
The upper end of the broaching tool central spindle, and the broaching tool oil cylinder is connected with the dress cutter head, and for drive the dress cutter head firmly grasp or
Loosening cutter.
Based on the above technical solution, the top of the main shaft central spindle is equipped with rotary joint, and the rotary joint is stretched
Out outside the spindle box.
Compared with the prior art, the advantages of the utility model are:
The main shaft of one of the utility model drilling and milling machine, main shaft central spindle are connected by bearing with spindle box, the first driving
Device and main shaft central spindle, and driving spindle central spindle rotate around own axes, for workpieces processing, the internal diameter of bearing from top to bottom by
Cumulative big, the outer wall of main shaft central spindle is cone compatible with bearing, and such design is convenient for assembly positioning and improves assembly essence
Degree, can be improved assembling speed and precision, at high speed in use, the bounce of the good control shaft of energy.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the main shaft of drilling and milling machine in the utility model embodiment.
In figure: 1- spindle main body, 10- spindle box, the first cavity of 11-, 12- main shaft central spindle, 120- rotary joint, 13- axis
It holding, the second cavity of 14-, 15- goes out the edge of a knife, 16- broaching tool central spindle, and 160- fills cutter head, 17- broaching tool oil cylinder, 2- first driving device,
20- synchronous pulley, 21- spindle motor, the second driving device of 3-, 30- ball screw assembly, 300- lead screw, 301- feed screw nut,
The second driving motor of 31-.
Specific embodiment
The embodiments of the present invention are described in further detail below in conjunction with attached drawing.
Shown in Figure 1, the utility model embodiment provides a kind of main shaft of drilling and milling machine comprising: spindle main body 1,
One driving device 2 and the second driving device 3.
Wherein spindle main body 1 includes spindle box 10, main shaft central spindle 12 and the broaching tool central spindle 16 being mutually arranged from outside to inside, main
Axis central spindle 12 is connected by bearing 13 with spindle box 10, and the internal diameter of bearing 13 is gradually increased from top to bottom, outside main shaft central spindle 12
Wall is cone compatible with bearing 13, convenient for assembly positioning and improves assembly precision, assembling speed and precision can be improved,
In use, the bounce of the good control shaft of energy under high revolving speed.
Main shaft central spindle 12 is equipped with one and goes out the edge of a knife 15, and the edge of a knife 15 is connected with the second cavity 14 out, and broaching tool central spindle 16 includes dress
Cutter head 160, dress 160 part of cutter head stretch out the edge of a knife 15 out, facilitate tool changing.
First driving device 2 is connected with main shaft central spindle 12, and rotates for driving spindle central spindle 12 around own axes, main shaft
12 rotating machined workpiece of central spindle.
Second driving device 3 is connected with spindle main body 1, and transports for driving spindle main body 1 and about 2 first driving device
It is dynamic, it is conveniently adjusted the distance between spindle main body 1 and workpiece to be processed, it can efficient rapid processing workpiece.
As an optional embodiment, first driving device 2 includes synchronous pulley 20 and spindle motor 21, synchronous pulley
20 are connected with main shaft central spindle 12, and the output end of spindle motor 21 is connected with synchronous pulley 20, and for driving 20 band of synchronous pulley
Dynamic main shaft central spindle 12 is rotated around own axes.The rotary motion of main shaft central spindle 12 is realized by synchronous pulley 20, is filled on cutter head 160
The cutter of installation is also with rotary motion together, workpieces processing.
As an optional embodiment, the second driving device 3 includes ball screw assembly, 30 and the second driving motor 31, rolling
Ballscrew pair 30 includes the lead screw 300 and the feed screw nut 301 on lead screw 300, feed screw nut 301 and main shaft being vertically arranged
Case 10 is connected；The output end of second driving motor 31 is connected with lead screw 300, and for driving spindle main body 1 and the first driving dress
Set 2 up and down motions.
Preferably, the second driving motor 31 is servo motor.Servo motor can more precise control speed, and position precision
It is very accurate.
As an optional embodiment, the outer diameter for filling cutter head 160 is gradually increased from top to bottom, and the edge of a knife 15 is and dress knife out
First 160 compatible taper can be more convenient and efficiently replace cutter.
Preferably, spindle main body 1 further includes broaching tool oil cylinder 17, and broaching tool oil cylinder 17 is set to the upper end of broaching tool central spindle 16, and
Broaching tool oil cylinder 17 is connected with dress cutter head 160, and for driving dress cutter head 160 promptly or loosening cutter.In exchanging knives process, cutter head is filled
160 loosening cutters carry out tool changing, and having changed cutter, promptly cutter is processed again later.
As an optional embodiment, the top of main shaft central spindle 12 is equipped with rotary joint 120, and rotary joint 120 stretches out
Outside spindle box 10.Rotary joint 120 can connect cooling water.Rotary joint 120, the second chamber can be passed through when spindle main body 1 is processed
The hollow space of body 14 provides cooling for processing.
The working principle of the utility model embodiment are as follows: 3 driving spindle main body 1 of the second driving device and first driving device
2 move downward, and with close to workpiece to be processed, 2 driving spindle central spindle 12 of first driving device is rotated around own axes, fill cutter head
The cutter of 160 installations carrys out workpieces processing with the rotation of main shaft central spindle 12.
The utility model is not only limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model
Other various forms of products out, however, make any variation in its shape or structure, it is all to have and the utility model phase
Same or similar technical solution, within its protection scope.
Claims (7)
1. a kind of main shaft of drilling and milling machine, characterized in that it comprises:
Spindle main body (1), the spindle main body (1) include:
Spindle box (10) is internally provided with the first cavity (11)；
Main shaft central spindle (12) is located in first cavity (11), and passes through bearing (13) and the spindle box (10) phase
Even, the internal diameter of the bearing (13) is gradually increased from top to bottom, and the outer wall of the main shaft central spindle (12) is and the bearing (13)
Compatible cone, the main shaft central spindle (12) is internal to be equipped with the second cavity (14), and the main shaft central spindle (12) is equipped with one
The edge of a knife (15) out, the edge of a knife (15) out are connected with second cavity (14)；
Broaching tool central spindle (16) is contained in second cavity (14) and is connected with the main shaft central spindle (12), the broaching tool
Central spindle (16) includes dress cutter head (160), goes out the edge of a knife (15) described in the stretching of dress cutter head (160) part；
First driving device (2) is connected with the main shaft central spindle (12), and for driving the main shaft central spindle (12) around itself
Axis rotation；
Second driving device (3) is connected with the spindle main body (1), and for driving the spindle main body (1) and the first drive
Dynamic device (2) move up and down.
2. main shaft as described in claim 1, which is characterized in that the first driving device (2) includes:
Synchronous pulley (20) is connected with the main shaft central spindle (12),
Spindle motor (21), output end are connected with the synchronous pulley (20), and for driving the synchronous pulley (20) band
The main shaft central spindle (12) is moved to rotate around own axes.
3. main shaft as described in claim 1, which is characterized in that second driving device (3) includes:
Ball screw assembly, (30) comprising the lead screw (300) being vertically arranged and the feed screw nut being set on the lead screw (300)
(301), the feed screw nut (301) is connected with the spindle box (10)；
Second driving motor (31), output end are connected with the lead screw (300), and for drive the spindle main body (1) and
First driving device (2) moves up and down.
4. main shaft as claimed in claim 3, which is characterized in that second driving motor (31) is servo motor.
5. main shaft as described in claim 1, which is characterized in that the outer diameter of dress cutter head (160) is gradually increased from top to bottom,
Described the edge of a knife (15) out are compatible cone with the dress cutter head (160).
6. main shaft as claimed in claim 5, which is characterized in that the spindle main body (1) further includes broaching tool oil cylinder (17), described
Broaching tool oil cylinder (17) is set to the upper end of the broaching tool central spindle (16), and the broaching tool oil cylinder (17) and the dress cutter head (160)
It is connected, and for driving the dress cutter head (160) promptly or loosening cutter.
7. main shaft as described in claim 1, which is characterized in that the top of the main shaft central spindle (12) is equipped with rotary joint
(120), the rotary joint (120) stretches out the spindle box (10) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822095327.8U CN209407433U (en) | 2018-12-13 | 2018-12-13 | A kind of main shaft of drilling and milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822095327.8U CN209407433U (en) | 2018-12-13 | 2018-12-13 | A kind of main shaft of drilling and milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209407433U true CN209407433U (en) | 2019-09-20 |
Family
ID=67938194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822095327.8U Expired - Fee Related CN209407433U (en) | 2018-12-13 | 2018-12-13 | A kind of main shaft of drilling and milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209407433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351988A (en) * | 2018-12-13 | 2019-02-19 | 无锡市岱洋重工机械有限公司 | A kind of main shaft of drilling and milling machine |
-
2018
- 2018-12-13 CN CN201822095327.8U patent/CN209407433U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351988A (en) * | 2018-12-13 | 2019-02-19 | 无锡市岱洋重工机械有限公司 | A kind of main shaft of drilling and milling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190920 Termination date: 20191213 |