CN207548286U - Numerically-controlled machine tool and its main spindle's detection device - Google Patents
Numerically-controlled machine tool and its main spindle's detection device Download PDFInfo
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- CN207548286U CN207548286U CN201721510999.XU CN201721510999U CN207548286U CN 207548286 U CN207548286 U CN 207548286U CN 201721510999 U CN201721510999 U CN 201721510999U CN 207548286 U CN207548286 U CN 207548286U
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Abstract
The utility model discloses a kind of main spindle's detection device, for detecting the position of main shaft of numerical control machine tool, numerically-controlled machine tool includes being loaded by the main shaft and spindle motor of synchronous band connection and the tool magazine for numerically-controlled machine tool to be driven to carry out tool changing action, main shaft is arranged on pedestal, main spindle's detection device includes being arranged on main shaft close to the first boss of one end of pedestal, it is arranged on pedestal and for detecting the first of the position of first boss the close switch, and the relay module connected with first close to switch, relay module is also loaded with tool magazine and is connected, wherein, when main shaft is in orientation state, first boss is located at the closest approach close to switch with first.The utility model on main shaft by setting for the first boss of orientation, and setting for detecting the first of the position of first boss close to switch, for whether detecting main shaft in orientation state, solves the problem of higher using external encoder cost on pedestal.
Description
Technical field
The utility model is related to digit ctrol machine tool field, more particularly to a kind of numerically-controlled machine tool and its main spindle's detection device.
Background technology
Machining center refers to the multi-functional increasingly automated numerically-controlled machine tool of one kind with automatic tool changer and tool magazine.It is main
The machining center of axis axis and table vertical setting is vertical machining centre, vertical machining centre workpiece can be carried out milling,
The processes such as boring, drilling, tapping.Vertical machining centre main shaft has the function of orientation trouble, be primarily referred to as clamping workpiece,
Main shaft needs to be parked in a specific position whens automatic tool changer etc., and main shaft is made to be matched with the keyway of broach shell.If main shaft orientation
Inaccuracy, may result in tool magazine and main shaft bumps against and damages tool magazine and main tapping, therefore need to be detected the position of main shaft.
Existing machining center main spindle's are generally detected using external encoder, but higher using encoder cost.
Utility model content
The main purpose of the utility model is to propose a kind of main spindle's detection device, it is intended to which solution uses in the prior art
The problem of external encoder detects the specific location of main shaft to assist warrant stop of spindle, and cost is higher.
To achieve the above object, the utility model proposes a kind of main spindle's detection device, for detecting numerically-controlled machine tool master
The position of axis, the numerically-controlled machine tool include by the main shaft and spindle motor of synchronous band connection and for driving the numerically-controlled machine tool
The tool magazine load of tool changing action is carried out, the main shaft is arranged on pedestal, which is characterized in that the main spindle's detection device packet
It includes and is arranged on the first boss of one end of close pedestal on the main shaft, is arranged on the pedestal and for detecting described first
Relay module of the first of the position of boss close to switch and with the described first close switch connection, the relay mould
Group is also loaded with the tool magazine and is connected, wherein, when the main shaft is in orientation state, the first boss is located at and described first
Close to the closest approach of switch.
Preferably, the main spindle's detection device, which further includes, is arranged on the main shaft close to the second of one end of pedestal
Boss is arranged on and is useful on the pedestal detect the position of the second boss second close to switch, connect with described second
The driver of nearly switch connection, the driver are connect with spindle motor.
Preferably, the relay module further includes warning module, under tool changing state, the relay module to be not
Described first is received close to switching with the first boss in the signal that closest approach exports, sends out alarm signal.
Preferably, it described first is switched close to switch and second are close as capacitive approach switch.
Preferably, the first boss and second boss are magnetic boss, and described first opens close to switch and second are close
It closes as proximity Hall switch.
Preferably, the main spindle's detection device, which further includes, is arranged on described first close to switch and the relay mould
Between group and described second is arranged on close to the signal amplification module between switch and the driver.
Preferably, the main spindle's detection device further includes the first switch stent and second for being arranged on the pedestal
Switch bracket, the first switch stent are arranged on the one side of pedestal, and the second switch stent is arranged on the adjacent of pedestal
Side, described first is arranged on close to switch on the first switch stent, and described second is arranged on second switch close to switch
On stent.
The utility model also proposes same numerically-controlled machine tool, including above-mentioned main spindle's detection device.
The utility model by being set on main shaft for the first boss of orientation, and on pedestal setting for detecting the
The first of the position of one boss is close to switching, and for whether detecting main shaft in orientation state, solution uses external encoder, into
The problem of this is higher.
Description of the drawings
Fig. 1 is the structure diagram of main spindle's detection device in one embodiment of the utility model；
Fig. 2 is the structure diagram of main spindle's detection device in another embodiment of the utility model.
Drawing reference numeral explanation：
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that the utility model
Limitation, based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
All other embodiments obtained shall fall within the protection scope of the present invention.
To achieve the above object, the utility model proposes a kind of main spindle's detection devices, referring to Figures 1 and 2, this main shaft
Position detecting device is used to detect the position of the main shaft 10 of numerically-controlled machine tool, and numerically-controlled machine tool includes the main shaft 10 connected by synchronous belt 40
With spindle motor 30 and for numerically-controlled machine tool to be driven to carry out the tool magazine load of tool changing action, main shaft 10 is arranged on pedestal 20,
Main spindle's detection device includes being arranged on the first boss 11 of one end of close pedestal 20 on main shaft 10, is arranged on pedestal 20
And for detecting the first of 11 position of first boss the relay modules being connect close to switch 12 and with the first close switch 12
50, relay module 50 also 70 connect with tool magazine load, wherein, when main shaft 10 is in orientation state, first boss 11 positioned at
The closest approach of first close switch 12.Detect that first boss 11 is in closest approach close to switch 12 when first, main shaft 10 is in
Orientation state, 70 operating of tool magazine load, realizes the replacement of cutter.Detect that first boss 11 is not in close to switch 12 when first
Closest approach, relay module 50 control tool magazine load 70 and the disconnection of power supply, and tool changing action cannot carry out.
The utility model on main shaft 10 by setting for the first boss 11 of orientation, and set and be used on pedestal 20
The first close switch 12 of 11 position of first boss is detected, for whether detecting main shaft 10 in orientation state, when main shaft 10 revolves
It is higher using external encoder cost in most solving the problem of close to switch 12 to turn first boss 11 and first.
In another embodiment of the utility model, referring to Figures 1 and 2, main spindle's detection device, which further includes, is arranged on master
On axis 10 close to one end of pedestal 20 second boss 14, be arranged on the of detection second boss 14 position be useful on pedestal 20
Two connect close to switch 15, the driver 60 being connect with second close to switch 15, driver 60 with spindle motor 30.In this implementation
In example, second is used to detect the change in location of second boss 14 close to switch 15.Spindle motor 30 is driven by synchronous belt 40 and led
Axis 10 operates；In the operation process of spindle motor 30, second feeds back to driver 60 close to the detection signal for switching 15, works as letter
Number occur abnormal, driver 60 controls spindle motor 30 to stall, and carries out power-off protection.
In another embodiment of the utility model, referring to Figures 1 and 2, relay module 50 further includes warning module, is used for
Under tool changing state, relay module 50 does not receive the first signal exported close to switch 12 with first boss 11 in closest approach
When, send out alarm signal.Warning module includes the acousto-optics reminding units such as buzzer, early-warning lamp in the present embodiment, passes through setting
Alarm module, operating personnel can obtain the location status information of main shaft 10, lathe checked in time.
In another embodiment of the utility model, referring to Figures 1 and 2, first switchs 15 close to switch 12 and second is close
For capacitive approach switch.When first boss 11 or second boss 14 shift to first close to 12 and second close switch of switch respectively
When 15, capacitive dielectric constant therein changes, so as to which capacitance be made to change so that the circuit shape being connected with measurement head
State also changes therewith, and thus just controllable switch is switched on or switched off.
In another embodiment of the utility model, referring to Figures 1 and 2, first boss 11 and second boss 14 are magnetic convex
Platform, first switchs 15 as proximity Hall switch close to switch 12 and second is close.When magnetic object shifts near proximity Hall switch,
Hall element in switch detection faces makes switch internal circuit state change when generating Hall effect, thus identify near
The object that is magnetic exists, and then controls the on-off of switch.Hall switch has non-contact electric, low-power consumption, long life, response
The features such as frequency is high, inside fill integralization using epoxy resin envelope, and environmental suitability is strong.
In the above-described embodiments, main spindle's detection device, which further includes, is arranged on described first close to switch 12 and relay
Between module 50 and second is arranged on close to the signal amplification module between switch 15 and driver 60.In the present embodiment,
First is faint close to the intensity for switching 14 signals exported with second close to switch 11, can be amplified by setting signal amplification module
The power of above-mentioned signal, to control the working condition of relay module 50 and driver 60.
In the above-described embodiments, main spindle's detection device further includes 13 He of first switch stent being arranged on pedestal 20
Second switch stent 16, first is arranged on close to switch 12 on first switch stent 13, and second is arranged on second close to switch 14
16 on switch bracket.In the present embodiment, 13 one end of first switch stent is connected by screw with pedestal, and the other end is provided with solid
The bar hole of fixed first close switch 12 for adjusting the height of the first close switch 12, makes the first close switch 12 and pedestal
The distance and first boss 11 at 20 tops are consistent with the distance at 20 top of pedestal.By setting first switch stent 13, it is adjusted
First, close to switch 12 and the distance of base top, improves flexibility.Second switch stent 16 is additionally provided on pedestal 20, the
The other end that two switch brackets 16 are oppositely arranged switch bracket with second switch stent 16 is provided with second close to switch 15.Second
16 one end of switch bracket is connected by screw with pedestal, and the other end, which is provided with, fixes second close to the bar hole for switching 15, is used for
Second is adjusted close to the height for switching 15, is adapted to its position with second boss 14.First switch stent 13 is arranged on pedestal
20 one side, second switch stent 16 are arranged on adjacent side.In the present embodiment, first boss 11 and second boss 14
Height and position is different, stagger setting.First boss 11 is made not interfere with second close to the measurement letter for switching 15 in rotary course
Number, second boss 14 does not interfere with first close to the measuring signal for switching 12.
The utility model also proposes same numerically-controlled machine tool, including above-mentioned main spindle's detection device.This main spindle's
Detection device is used to detect the position of main shaft of numerical control machine tool 10, and numerically-controlled machine tool includes the main shaft 10 and main shaft that are connected by synchronous belt 40
Motor 30, main shaft 10 are arranged on pedestal 20, and one end on main shaft 10 close to pedestal 20 is provided with first boss 11, on pedestal 20
It is provided with the first close switch 12 for detecting 11 position of first boss；When main shaft 10 is in orientation state, first boss 11
Positioned at the closest approach with the first close switch 12；First 12 connect close to switch with relay module 50, relay module 50 and
70 connection of tool magazine load.Detecting that first boss 11 is in closest approach close to switch 12 when first, main shaft 10 is in orientation state,
70 operating of tool magazine load, realizes the replacement of cutter.Detect that first boss 11 is not in closest approach close to switch 12 when first, after
Electric appliance module 50 controls tool magazine load 70 and the disconnection of power supply, and tool changing action cannot carry out.
The utility model on the main shaft 10 of numerically-controlled machine tool by setting for the first boss 11 of orientation, and in pedestal 20
Upper setting is for detecting the first of 11 position of first boss close to switching 12, for detecting whether main shaft 10 is in orientation state,
External encoder is used in most solution close to switch 12 when main shaft 10 rotates first boss 11 and first, cost is higher to ask
Topic.
Technical solution between each embodiment of the utility model can be combined with each other, but must be common with this field
Technical staff can be implemented as basis, and this skill is will be understood that when the combination appearance of technical solution is conflicting or can not realize
The combination of art scheme is not present, also not within the scope of the requires of the utility model protection.Above is only the utility model
Part or preferred embodiment, either word or attached drawing all cannot therefore limit the utility model protection range, it is every
Under design with one entirety of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes or direct/indirect other related technical areas that are used in is included in the range of the utility model protection.
Claims (8)
1. a kind of main spindle's detection device, for detecting the position of main shaft of numerical control machine tool, the numerically-controlled machine tool is included by synchronizing
The main shaft and spindle motor of band connection and the tool magazine load for driving the numerically-controlled machine tool progress tool changing action, the main shaft
It is arranged on pedestal, which is characterized in that the main spindle's detection device includes being arranged on the main shaft close to the one of pedestal
The first boss at end, be arranged on the pedestal and for detect the first boss position first close to switch and
The relay module connected with described first close to switch, the relay module are also loaded with the tool magazine and are connected, wherein, institute
When stating main shaft and being in orientation state, the first boss be located at and described first close to switch closest approach.
2. main spindle's detection device as described in claim 1, which is characterized in that further include be arranged on it is close on the main shaft
The second boss of one end of pedestal is arranged on detect the second boss position second is useful on the pedestal close to opening
The driver for closing, being connected with described second close to switch, the driver are connect with spindle motor.
3. main spindle's detection device as claimed in claim 2, which is characterized in that the relay module further includes early warning mould
Block, under tool changing state, the relay module not to receive described first close to switch and the first boss most
During the signal of near point output, alarm signal is sent out.
4. main spindle's detection device as claimed in claim 3, which is characterized in that described first is close close to switch and second
It switchs as capacitive approach switch.
5. main spindle's detection device as claimed in claim 3, which is characterized in that the first boss and second boss are magnetic
Property boss, described first close to switch and second close to switch for proximity Hall switch.
6. main spindle's detection device as described in claim 4 or 5, which is characterized in that further include and be arranged on described first and connect
Described second is closely switched between the relay module and is arranged on to put close to the signal between switch and the driver
Big module.
7. main spindle's detection device as described in claim 6, which is characterized in that further include and be arranged on the pedestal
First switch stent and second switch stent, the first switch stent are arranged on the one side of pedestal, the second switch branch
Frame is arranged on the adjacent side of pedestal, and described first is arranged on close to switch on the first switch stent, and described second is close
Switch is arranged on second switch stent.
8. a kind of numerically-controlled machine tool, which is characterized in that detect dress including the main spindle's as described in any one of claim 1 to 7
It puts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721510999.XU CN207548286U (en) | 2017-11-13 | 2017-11-13 | Numerically-controlled machine tool and its main spindle's detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721510999.XU CN207548286U (en) | 2017-11-13 | 2017-11-13 | Numerically-controlled machine tool and its main spindle's detection device |
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| Publication Number | Publication Date |
|---|---|
| CN207548286U true CN207548286U (en) | 2018-06-29 |
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ID=62681513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721510999.XU Active CN207548286U (en) | 2017-11-13 | 2017-11-13 | Numerically-controlled machine tool and its main spindle's detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108942407A (en) * | 2018-08-27 | 2018-12-07 | 奇瑞汽车股份有限公司 | A kind of machining center main shaft belt fracture detection device and method |
| WO2019178997A1 (en) * | 2018-03-23 | 2019-09-26 | 深圳市创世纪机械有限公司 | Positioning detection apparatus for main axis of vertical machining center |
-
2017
- 2017-11-13 CN CN201721510999.XU patent/CN207548286U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019178997A1 (en) * | 2018-03-23 | 2019-09-26 | 深圳市创世纪机械有限公司 | Positioning detection apparatus for main axis of vertical machining center |
| CN108942407A (en) * | 2018-08-27 | 2018-12-07 | 奇瑞汽车股份有限公司 | A kind of machining center main shaft belt fracture detection device and method |
| CN108942407B (en) * | 2018-08-27 | 2021-04-27 | 奇瑞汽车股份有限公司 | Device and method for detecting breakage of main shaft belt of machining center |
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