CN209532837U - A kind of CNC milling machine feed system - Google Patents
A kind of CNC milling machine feed system Download PDFInfo
- Publication number
- CN209532837U CN209532837U CN201822096151.8U CN201822096151U CN209532837U CN 209532837 U CN209532837 U CN 209532837U CN 201822096151 U CN201822096151 U CN 201822096151U CN 209532837 U CN209532837 U CN 209532837U
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- CN
- China
- Prior art keywords
- screw axis
- ball screw
- ball
- shell
- milling machine
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of CNC milling machine feed systems, including shell, ball screw axis, feed screw nut and straight walking mechanism, the ball screw axis is located at enclosure interior, the both ends of the ball screw axis are rotatablely connected with the inner wall of shell respectively, the feed screw nut and the rotation connection of ball screw axis, one end of the straight walking mechanism is fixedly connected with feed screw nut, the other end passes through shell and connect with workpiece to be driven, the corresponding shell in the extension end of the straight walking mechanism is equipped with the line sliding track parallel with ball screw axis, one end of the ball screw axis and driving device transmission connection.With transmission efficiency height；Ball-screw is rolling friction, therefore can undertake high-speed drive task, while abrasion loss caused by rolling friction is smaller, the heat of generation is few, improves the service life of milling machine.The utility model application milling equipment.
Description
Technical field
The utility model relates to CNC milling machines, more particularly to a kind of CNC milling machine feed system.
Background technique
Converting linear motion for rotary motion on milling machine is a kind of very universal kind of drive, traditional kind of drive
Usually trapezoidal screw converts rotational motion into linear motion, but the transmission efficiency of the conversion regime of trapezoidal screw is about
26-46%, transmission efficiency is low, energy consumption is high, and sliding friction is relied primarily in transmission process, and frictional force is big, and product uses the longevity
It orders short.
Converting rotary motion into linear motion using ball screw axis at present is a kind of trend, the transmission of ball screw axis
Mode has the characteristics that high-efficient, coefficient of friction is small.
Utility model content
The purpose of this utility model is to provide a kind of milling machine feed systems, and the rotary motion of ball screw axis is changed into
Linear motion, to improve the working efficiency of milling machine, the service life for reducing production energy consumption, improving milling machine.
The technical scheme adopted by the utility model is a kind of CNC milling machine feed system, including shell, ball screw
Axis, feed screw nut and straight walking mechanism, the ball screw axis are located at enclosure interior, the both ends difference of the ball screw axis
It is rotatablely connected with the inner wall of shell, the feed screw nut and the rotation connection of ball screw axis, one end of the straight walking mechanism
It is fixedly connected with feed screw nut, the other end passes through shell and connect with workpiece to be driven, the extension end of the straight walking mechanism
Corresponding shell is equipped with the line sliding track parallel with ball screw axis, one end of the ball screw axis and driving device
Transmission connection.
It advanced optimizes, the straight walking mechanism includes attachment base and big slide plate, the lower end of the attachment base and screw rod
Nut is fixedly connected, and the upper end of the attachment base is fixedly connected with big slide plate, and the big slide plate is on the line sliding track
It slides.
It advanced optimizes, the both ends of the ball screw axis and the junction of shell are equipped with bearing block, the bearing block
It is sequentially arranged at intervals with deep groove ball bearing, thrust ball bearing from inside to outside, the deep groove ball bearing, thrust ball bearing are and ball
Screw axis rotation connection, the end of the thrust ball bearing are equipped with the clamp device for fixing thrust ball bearing.
It advanced optimizes, the ball screw the tip of the axis is equipped with external screw thread, and the clamp device is included in external screw thread
The fastening nut matched is equipped with washer between the thrust ball bearing and fastening nut.
It advanced optimizes, the driving device includes stepper motor and shaft coupling, and the output end of the shaft coupling is set in
Ball screw axis, and be fixedly connected by pin key, the power intake of the shaft coupling is connected with the stepper motor, the step
It is electrically connected into the control system of motor and CNC milling machine.
The utility model has the beneficial effects that the utility model is converted the rotary motion of driving device by ball screw axis
Be in line movement, is moved in a straight line with the associated components realized on milling machine, has transmission efficiency high；Ball-screw is to roll to rub
It wipes, therefore high-speed drive task can be undertaken, while abrasion loss caused by rolling friction is smaller, the heat of generation is few, improves
The service life of milling machine.
Detailed description of the invention
The present invention will be further described with embodiment with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the cross-sectional view in Fig. 1 at A-A.
Specific embodiment
CNC milling machine feed system as depicted in figs. 1 and 2, including shell 1, ball screw axis 2, feed screw nut 3 and straight
Line walking mechanism, ball screw axis 2 are located at the inside of shell 1, and the both ends of ball screw axis 2 are rotated with the inner wall of shell 1 respectively
Connection, feed screw nut 3 and ball screw axis 2 are rotatablely connected, and one end of straight walking mechanism is fixedly connected with feed screw nut 3, separately
One end passes through shell 1 and connect with workpiece to be driven, and the corresponding shell 1 in the extension end of straight walking mechanism is equipped with line sliding
The direction of track 11, line sliding track 11 and ball screw axis 2 is consistent, one end of ball screw axis 2 and driving device
Transmission connection.
Driving mechanism drives ball screw axis 2, feed screw nut 3 along the screw advancement or retrogressing on ball screw axis 2,
To drive straight walking mechanism to move in a straight line, straight walking mechanism is connect with the associated components on milling machine, to realize milling machine
On associated components move in a straight line, have transmission efficiency high；Ball-screw is that rolling friction, coefficient of friction are small, can be undertaken
High-speed drive task, while abrasion caused by rolling friction is smaller, the heat of generation is few, improves the service life of milling machine.
Further, straight walking mechanism includes attachment base 42 and big slide plate 43, the lower end of attachment base 42 and feed screw nut 3
It is fixedly connected, the upper end of attachment base 41 is fixedly connected with big slide plate 42, and big slide plate 42 slides on line sliding track 11.
The both ends of ball screw axis 2 and the junction of shell 1 are equipped with bearing block, and successively interval is solid from inside to outside for bearing block
Surely deep groove ball bearing 61, thrust ball bearing 62 are provided with, deep groove ball bearing 61, thrust ball bearing 62 are and 2 turns of ball screw axis
Dynamic connection, the tail end of thrust ball bearing 62 are equipped with the clamp device for fixing thrust ball bearing 62.
Deep groove ball bearing 61 and thrust ball bearing 62 are used cooperatively, and can be born the radial of the transmitting of ball screw axis 2 and be carried
Lotus and axial load.
Further, clamp device includes fastening nut 71, and ball screw axis 2 is equipped with matched outer with fastening nut 71
Screw thread is equipped with washer 72 between thrust ball bearing 62 and fastening nut 71.Pass through fastening nut 71 and the fixed thrust ball of washer 72
Bearing 62 is axially moved.
Driving device includes stepper motor 51 and shaft coupling 52, and the power output end of shaft coupling 52 is set in ball screw axis
It on 2, and is fixedly connected by pin key, power intake and stepper motor 51 connection of shaft coupling 52.
Certainly, the utility model is not limited to above embodiment, and those skilled in the art are without prejudice to originally
Equivalent deformation or replacement can be also made under the premise of utility model spirit, these equivalent variation or replacement are all contained in the application
In claim limited range.
Claims (5)
1. a kind of CNC milling machine feed system, it is characterised in that: including shell (1), ball screw axis (2), feed screw nut (3) and
Straight walking mechanism, the ball screw axis (2) are located at the inside of shell (1), the both ends of the ball screw axis (2) respectively with
The inner wall of shell (1) is rotatablely connected, the feed screw nut (3) and ball screw axis (2) rotation connection, the straight walking mechanism
One end be fixedly connected with feed screw nut (3), the other end passes through shell (1) and connect with workpiece to be driven, and the straight line is walked
The corresponding shell in the extension end of mechanism (1) is equipped with the line sliding track (11) parallel with ball screw axis (2), the ball
One end of screw axis (2) and driving device transmission connection.
2. CNC milling machine feed system according to claim 1, it is characterised in that: the straight walking mechanism includes connection
Seat (41) and big slide plate (42), the lower end of the attachment base (41) are fixedly connected with feed screw nut (3), the attachment base (41)
Upper end is fixedly connected with big slide plate (42), and the big slide plate (42) is slided on the line sliding track (11).
3. CNC milling machine feed system according to claim 1 or 2, it is characterised in that: the two of the ball screw axis (2)
The junction of end and shell (1) is equipped with bearing block, and successively interval is fixedly installed deep-groove ball axis to the bearing block from inside to outside
(61), thrust ball bearing (62) are held, the deep groove ball bearing (61), thrust ball bearing (62) are rotated with ball screw axis (2)
Connection, the tail end of the thrust ball bearing (62) are equipped with the clamp device for fixing thrust ball bearing (62).
4. CNC milling machine feed system according to claim 3, it is characterised in that: the clamp device includes fastening nut
(71), the ball screw axis (2) is equipped with and fastening nut (71) matched external screw thread, the thrust ball bearing (62) and tight
Gu being equipped with washer (72) between nut (71).
5. CNC milling machine feed system according to claim 1 or 2, it is characterised in that: the driving device includes stepping
The power output end of motor (51) and shaft coupling (52), the shaft coupling (52) is set on ball screw axis (2), and passes through pin
Key is fixedly connected, power intake and the stepper motor (51) connection of the shaft coupling (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822096151.8U CN209532837U (en) | 2018-12-13 | 2018-12-13 | A kind of CNC milling machine feed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822096151.8U CN209532837U (en) | 2018-12-13 | 2018-12-13 | A kind of CNC milling machine feed system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209532837U true CN209532837U (en) | 2019-10-25 |
Family
ID=68264572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822096151.8U Expired - Fee Related CN209532837U (en) | 2018-12-13 | 2018-12-13 | A kind of CNC milling machine feed system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209532837U (en) |
-
2018
- 2018-12-13 CN CN201822096151.8U patent/CN209532837U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20191025 Termination date: 20211213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |