CN205765175U - Closed-loop vertical knee-type milling machine - Google Patents
Closed-loop vertical knee-type milling machine Download PDFInfo
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- CN205765175U CN205765175U CN201620471582.6U CN201620471582U CN205765175U CN 205765175 U CN205765175 U CN 205765175U CN 201620471582 U CN201620471582 U CN 201620471582U CN 205765175 U CN205765175 U CN 205765175U
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Abstract
The utility model discloses a kind of closed-loop vertical knee-type milling machine, comprising: X-axis linear electric motors；Y-axis linear electric motors；Z axis linear electric motors；Base；Z axis supporting part, this Z axis supporting part is fixedly arranged on this base；Main spindle box, this main spindle box can be driven by these Z axis linear electric motors and slide in the Z-axis direction, and this main spindle box is used for installing milling cutter；Y-axis platform, this Y-axis platform can be driven by these Y-axis linear electric motors and slide in the Y-axis direction；X-axis platform, this X-axis platform can be driven by these X-axis linear electric motors and slide in the X-axis direction, and this X-axis platform is used for placing workpiece；Between the parts of each relative movement, grating scale is installed.This milling machine uses linear electric motors to drive, and uses grating scale as signal detection and measuring cell, it is achieved the full closed loop control of system, thus realizes high accuracy and process.
Description
Technical field
This utility model relates to a kind of closed-loop vertical knee-type milling machine.
Background technology
Traditional milling machine uses servomotor and adds driving and the kind of drive of leading screw, and the driving-chain of this mode is many, and mechanism is complicated, and transmission rigidity is not enough, and motion delay is serious.The particularly part such as leading screw and feed screw nut, leading screw and block bearing, leading screw and shaft coupling contacts, longtime running serious wear, greatly reduces machining accuracy and the stability of lathe, even causes and scrap.And using the half-closed loop control of encoder feedback, control accuracy is poor, and response is bad, is not suitable for the processing of high-precision part, the especially backlass of leading screw and causes the surface smoothness of workpiece low.
Utility model content
The technical problems to be solved in the utility model is to overcome the defect that prior art precision is low, it is provided that a kind of high-precision closed-loop vertical knee-type milling machine.
This utility model is to solve above-mentioned technical problem by following technical proposals:
A kind of closed-loop vertical knee-type milling machine, comprising:
X-axis linear electric motors；
Y-axis linear electric motors；
Z axis linear electric motors；
Base；
Z axis supporting part, Z axis supporting part is fixedly arranged on base；
Main spindle box, main spindle box can be driven by Z axis linear electric motors and slide in the Z-axis direction, and main spindle box is used for installing milling cutter；
Y-axis platform, Y-axis platform can be driven by Y-axis linear electric motors and slide in the Y-axis direction；
X-axis platform, X-axis platform can be driven by X-axis linear electric motors and slide in the X-axis direction, and X shaft platform is used for placing workpiece；
X-axis grating scale, the scale grating of X-axis grating scale is arranged on Y-axis platform along X-direction, and the grating reading head of X-axis grating scale is arranged on X-axis platform；
Y-axis grating scale, the scale grating of Y-axis grating scale is arranged on base along Y direction, and the grating reading head of Y-axis grating scale is arranged on Y-axis platform；With
Z axis grating scale, the scale grating of Z axis grating scale is arranged on Z axis supporting part along Z-direction, and the grating reading head of Z axis grating scale is arranged on main spindle box.
Preferably, Y-axis platform is located at above base, and X-axis platform is located at above Y-axis platform, and main spindle box is positioned at above X-axis platform.
Preferably, closed-loop vertical knee-type milling machine also includes cylinder, and cylinder includes cylinder barrel and piston rod, and cylinder barrel is fixedly arranged on Z axis supporting part, and piston rod is connected to main spindle box.
In this utility model, cylinder is connected with main spindle box with the weight of balancing main shaft case, thus reduces the energy consumption that linear electric motors drive, and keeps the position of main spindle box simultaneously when power is off, prevents main spindle box from dropping suddenly and cause processing accident.
Preferably, cylinder barrel is located at the top of main spindle box.
Preferably, the top of Y-axis platform is provided with two stop parts, and stop part is respectively arranged on X-axis platform both sides in the X-axis direction.
Preferably, the top of base is provided with two stop parts, and stop part is respectively arranged on Y-axis platform both sides in the Y-axis direction.
In this utility model, due to linear electric motors brakeless, therefore stop part is installed to improve safety.
Preferably, the bottom of X-axis platform is provided with X-axis guide portion, and the top of Y-axis platform is provided with X-axis guide rail, and X-axis guide portion is slidedly arranged on X-axis guide rail；
The bottom of Y-axis platform is provided with Y-axis guide portion, and the top of base is provided with Y-axis guide rail, and Y-axis guide portion is slidedly arranged on Y-axis guide rail；
Main spindle box is provided with Z axis guide portion near the side of Z axis supporting part, and Z axis supporting part is provided with Z axis guide rail near the side of main spindle box, and Z axis guide portion is slidedly arranged on Z axis guide rail.
Preferably, Y-axis platform is located at by the stator of X-axis linear electric motors, and the mover of X-axis linear electric motors is located at X-axis platform；
Base is located at by the stator of Y-axis linear electric motors, and the mover of Y-axis linear electric motors is located at Y-axis platform；
Z axis supporting part is located at by the stator of Z axis linear electric motors, and the mover of Z axis linear electric motors is located at main spindle box.
Preferably, stator is magnetic sheet, and mover is coil.
Preferably, there is the gap of 0.7-1mm between mover and the stator of X-axis linear electric motors of X-axis linear electric motors；
The gap of 0.7-1mm is there is between mover and the stator of Y-axis linear electric motors of Y-axis linear electric motors；
The gap of 0.7-1mm is there is between mover and the stator of Z axis linear electric motors of Z axis linear electric motors.
In this utility model, the gap between mover and stator is 0.7-1mm, the most both can ensure that the mutual motion between mover and stator
Positive progressive effect of the present utility model is: this milling machine uses linear electric motors to drive, and uses grating scale as signal detection and measuring cell, it is achieved the full closed loop control of system, thus realizes high accuracy and process.Meanwhile, the contactless structure of linear electric motors, allow mechanism without abrasion, without backlass, positioning precision high response speed is fast.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the closed-loop vertical knee-type milling machine of preferred embodiment of the present utility model.
Fig. 2 is the front view of the closed-loop vertical knee-type milling machine of Fig. 1.
Fig. 3 is the side view of the closed-loop vertical knee-type milling machine of Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawings, by the way of embodiment, further illustrate this utility model, but the most therefore this utility model is limited among described scope of embodiments.
Embodiment 1
As Figure 1-3, closed-loop vertical knee-type milling machine 10, comprising: X-axis linear electric motors；Y-axis linear electric motors；Z axis linear electric motors；Base 11；Z axis supporting part 12, this Z axis supporting part 12 is fixedly arranged on base 11；Main spindle box 13, this main spindle box 13 can be driven by Z axis linear electric motors and slide in the Z-axis direction, and main spindle box 13 is used for installing milling cutter；Y-axis platform 14, this Y-axis platform 14 can be driven by Y-axis linear electric motors and slide in the Y-axis direction；X-axis platform 15, this X-axis platform 15 can be driven by X-axis linear electric motors and slide in the X-axis direction, and X-axis platform 15 is used for placing workpiece；X-axis grating scale, the scale grating 81 of X-axis grating scale is arranged on Y-axis platform 14 along X-direction, and the grating reading head 82 of X-axis grating scale is arranged on X-axis platform 15；Y-axis grating scale, along Y direction installation on the pedestal 11, the grating reading head 92 of Y-axis grating scale is arranged on Y-axis platform 14 the scale grating 91 of Y-axis grating scale；With Z axis grating scale, the scale grating 101 of Z axis grating scale is arranged on Z axis supporting part 12 along Z-direction, and the grating reading head 102 of Z axis grating scale is arranged on main spindle box 13；Cylinder, this cylinder includes cylinder barrel 111 and piston rod 112, and cylinder barrel 111 is located at the top of main spindle box 13, and cylinder barrel 111 is fixedly arranged on Z axis supporting part 12 by connector 18, and piston rod 112 is connected to main spindle box 13.Cylinder is for producing driving force upwards to main spindle box 13, to offset the gravity of main spindle box 13 self, thus, even if the unexpected power-off of Z axis linear electric motors or do not work, main spindle box 13 also can keep fixed position in the Z-axis direction.
Y-axis platform 14 is located at above base 11, and X-axis platform 15 is located at above Y-axis platform 14, and main spindle box 13 is positioned at above X-axis platform 15.The top of Y-axis platform 14 is provided with two the first stop parts 16, and the first stop part 16 is respectively arranged on X-axis platform 15 both sides in the X-axis direction, to prevent X-axis platform 15 translational speed too fast slippage Y-axis platform 14.The top of base 11 is provided with two the second stop parts 17, and the second stop part 17 is respectively arranged on Y-axis platform 14 both sides in the Y-axis direction.The bottom of X-axis platform 15 is provided with X-axis guide portion 51, and the top of Y-axis platform 14 is provided with X-axis guide rail 52, and X-axis guide portion 51 is slidedly arranged on X-axis guide rail 52.The bottom of Y-axis platform 14 is provided with Y-axis guide portion 61, and the top of base 11 is provided with Y-axis guide rail 62, and Y-axis guide portion 61 is slidedly arranged on Y-axis guide rail 62.Main spindle box 13 is provided with Z axis guide portion 71 near the side of Z axis supporting part 12, and Z axis supporting part 12 is provided with Z axis guide rail 72 near the side of main spindle box 13, and Z axis guide portion 71 is slidedly arranged on Z axis guide rail 72.Y-axis platform 14 is located at by the stator 22 of X-axis linear electric motors, and the mover 21 of X-axis linear electric motors is located at X-axis platform 15, has the gap of 0.7-1mm between mover and the stator of X-axis linear electric motors of X-axis linear electric motors.Base 11 is located at by the stator 32 of Y-axis linear electric motors, and the mover 31 of Y-axis linear electric motors is located at Y-axis platform 14, has the gap of 0.7-1mm between mover and the stator of Y-axis linear electric motors of Y-axis linear electric motors.Z axis supporting part 12 is located at by the stator 42 of Z axis linear electric motors, and the mover 41 of Z axis linear electric motors is located at main spindle box 13, has the gap of 0.7-1mm between mover and the stator of Z axis linear electric motors of Z axis linear electric motors.Said stator is magnetic sheet, and above-mentioned mover is coil.
When the closed-loop vertical knee-type milling machine 10 using the present embodiment is processed, X-axis linear electric motors, Y-axis linear electric motors work, making workpiece move to predetermined Working position, then main spindle box 13 moves in the Z-axis direction, so that milling cutter contacts workpiece thus is processed workpiece.When X-axis platform 15, Y-axis platform 14 and main spindle box 13 move, each grating scale detects the displacement in the Y-axis direction of X-axis platform 15 displacement in the X-axis direction, Y-axis platform 14 and main spindle box 13 displacement in the Z-axis direction respectively, and feed back these information, thus accurately control the forming shape of workpiece.
Although the foregoing describing detailed description of the invention of the present utility model, it will be appreciated by those of skill in the art that this is merely illustrative of, protection domain of the present utility model is defined by the appended claims.These embodiments, on the premise of without departing substantially from principle of the present utility model and essence, can be made various changes or modifications, but these changes and amendment each fall within protection domain of the present utility model by those skilled in the art.
Claims (10)
1. a closed-loop vertical knee-type milling machine, it is characterised in that comprising:
X-axis linear electric motors；
Y-axis linear electric motors；
Z axis linear electric motors；
Base；
Z axis supporting part, described Z axis supporting part is fixedly arranged on described base；
Main spindle box, described main spindle box can be driven by described Z axis linear electric motors and slide in the Z-axis direction,
Described main spindle box is used for installing milling cutter；
Y-axis platform, described Y-axis platform can be driven in the Y-axis direction by described Y-axis linear electric motors
Slide；
X-axis platform, described X-axis platform can be driven in the X-axis direction by described X-axis linear electric motors
Sliding, described X-axis platform is used for placing workpiece；
X-axis grating scale, the scale grating of described X-axis grating scale is arranged on described Y along X-direction
On shaft platform, the grating reading head of described X-axis grating scale is arranged on described X-axis platform；
Y-axis grating scale, the scale grating of described Y-axis grating scale is arranged on the described end along Y direction
On seat, the grating reading head of described Y-axis grating scale is arranged on described Y-axis platform；With
Z axis grating scale, the scale grating of described Z axis grating scale is arranged on described Z axis along Z-direction
On supporting part, the grating reading head of described Z axis grating scale is arranged on described main spindle box.
2. closed-loop vertical knee-type milling machine as claimed in claim 1, it is characterised in that described Y-axis platform is located at
Above described base, described X-axis platform is located at above described Y-axis platform, and described main spindle box is positioned at institute
State above X-axis platform.
3. closed-loop vertical knee-type milling machine as claimed in claim 2, it is characterised in that described closed-loop stands
Formula milling machine also includes that cylinder, described cylinder include that cylinder barrel and piston rod, described cylinder barrel are fixedly arranged on described Z axis
Supporting part, described piston rod is connected to described main spindle box.
4. closed-loop vertical knee-type milling machine as claimed in claim 3, it is characterised in that described cylinder barrel is located at
The top of described main spindle box.
5. closed-loop vertical knee-type milling machine as claimed in claim 2, it is characterised in that described Y-axis platform
Top be provided with two stop parts, described stop part is respectively arranged on described X-axis platform in the X-axis direction
Both sides.
6. closed-loop vertical knee-type milling machine as claimed in claim 2, it is characterised in that the top of described base
Portion is provided with two stop parts, and described stop part is respectively arranged on described Y-axis platform two in the Y-axis direction
Side.
7. closed-loop vertical knee-type milling machine as claimed in claim 2, it is characterised in that described X-axis platform
Bottom be provided with X-axis guide portion, the top of described Y-axis platform is provided with X-axis guide rail, and described X-axis is drawn
The portion of leading is slidedly arranged on described X-axis guide rail；
The bottom of described Y-axis platform is provided with Y-axis guide portion, and the top of described base is provided with Y-axis guide rail,
Described Y-axis guide portion is slidedly arranged on described Y-axis guide rail；
Described main spindle box is provided with Z axis guide portion near the side of described Z axis supporting part, and described Z axis props up
Support part is provided with Z axis guide rail near the side of described main spindle box, and described Z axis guide portion is slidedly arranged on described Z
Axis rail.
8. the closed-loop vertical knee-type milling machine as according to any one of claim 1-7, it is characterised in that institute
Described Y-axis platform is located at by the stator stating X-axis linear electric motors, and the mover of described X-axis linear electric motors is located at
Described X-axis platform；
Described base is located at by the stator of described Y-axis linear electric motors, and the mover of described Y-axis linear electric motors sets
In described Y-axis platform；
Described Z axis supporting part is located at by the stator of described Z axis linear electric motors, described Z axis linear electric motors
Mover is located at described main spindle box.
9. closed-loop vertical knee-type milling machine as claimed in claim 8, it is characterised in that described stator is magnetic
Plate, described mover is coil.
10. closed-loop vertical knee-type milling machine as claimed in claim 8, it is characterised in that described X-axis straight line
The gap of 0.7-1mm is there is between mover and the stator of described X-axis linear electric motors of motor；
0.7-1 is there is between mover and the stator of described Y-axis linear electric motors of described Y-axis linear electric motors
The gap of mm；
0.7-1mm is there is between mover and the stator of described Z axis linear electric motors of described Z axis linear electric motors
Gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620471582.6U CN205765175U (en) | 2016-05-20 | 2016-05-20 | Closed-loop vertical knee-type milling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620471582.6U CN205765175U (en) | 2016-05-20 | 2016-05-20 | Closed-loop vertical knee-type milling machine |
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| Publication Number | Publication Date |
|---|---|
| CN205765175U true CN205765175U (en) | 2016-12-07 |
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| CN201620471582.6U Active CN205765175U (en) | 2016-05-20 | 2016-05-20 | Closed-loop vertical knee-type milling machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263206A (en) * | 2017-07-27 | 2017-10-20 | 安庆市鼎立汽车配件有限公司 | A kind of cutter device for internal combustion engine air-exhausting air-entering door |
| CN109648353A (en) * | 2017-10-11 | 2019-04-19 | 维嘉数控科技（苏州）有限公司 | Z-axis driving structure and PCB edge milling machines |
| WO2023082267A1 (en) * | 2021-11-15 | 2023-05-19 | 爱佩仪测量设备有限公司 | Linear motor driving device, and oil sludge milling machine using same |
-
2016
- 2016-05-20 CN CN201620471582.6U patent/CN205765175U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263206A (en) * | 2017-07-27 | 2017-10-20 | 安庆市鼎立汽车配件有限公司 | A kind of cutter device for internal combustion engine air-exhausting air-entering door |
| CN109648353A (en) * | 2017-10-11 | 2019-04-19 | 维嘉数控科技（苏州）有限公司 | Z-axis driving structure and PCB edge milling machines |
| WO2023082267A1 (en) * | 2021-11-15 | 2023-05-19 | 爱佩仪测量设备有限公司 | Linear motor driving device, and oil sludge milling machine using same |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 5124, building C, 555 Dongchuan Road, Minhang District, Shanghai 200241 Patentee after: SHANGHAI LYNUC NUMERICAL CONTROL TECHNOLOGY CO.,LTD. Address before: 279 Pingfu Road, Xuhui District, Shanghai, 200231 Patentee before: SHANGHAI LYNUC CNC TECHNOLOGY Co.,Ltd. |