CN209078348U - Position detecting device and main shaft automatic tool changer - Google Patents
Position detecting device and main shaft automatic tool changer Download PDFInfo
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- CN209078348U CN209078348U CN201821690106.9U CN201821690106U CN209078348U CN 209078348 U CN209078348 U CN 209078348U CN 201821690106 U CN201821690106 U CN 201821690106U CN 209078348 U CN209078348 U CN 209078348U
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Abstract
The utility model proposes a kind of position detecting device and main shaft automatic tool changer, position detecting device includes tool-broaching mechanism, power mechanism and induction mechanism.The broaching tool bar of tool-broaching mechanism is set in main spindle quill, one end of broaching tool bar connects cutter locking device, the other end connects power mechanism, power mechanism includes the power house and piston set on main spindle quill end, piston drives broaching tool bar along the main axle moving of main spindle quill, the outer cover of broaching tool bar is equipped with elastic component so that broaching tool bar resets, detection device includes inductance loop and the position sensor that is equipped with it, for the induction end of position sensor towards inductance loop, position sensor detects inductance loop as broaching tool bar is in the moving distance of major axes orientation.Using axial displacement of the current vortex position sensor detection broaching tool bar in main spindle quill, the axial displacement of broaching tool bar can be converted to the vertical displacement of relative sensors by the outer surface of inductance loop, so that sensor calculates the axial position of broaching tool bar, accurate cutter clamping state is obtained.
Description
Technical field
The utility model relates to a kind of detection device, especially a kind of position detection suitable for main shaft automatic tool changer
Device and main shaft automatic tool changer.
Background technique
Existing main shaft tool change position sensing device senses broaching tool bar using close switch mostly using close to switch
Axial position, to obtain the clamping situation of main axle cutter.In general, using the main shaft of automatic tool changer, in tool changing
In the process, " cutter release " and " cutter clamping " both status feedback signals are needed, tool magazine could be moved normally after obtaining signal
Make, to complete automatic tool changer process.It in the prior art, is mostly that a close switch is respectively placed on multiple designated positions,
Sensitive surface is added on broaching tool bar, when broaching tool bar is axially moved, sensitive surface means that current broaching tool close to which close to switch
Bar is in which position.Since the induction range close to switch is larger, generally in millimeter rank, position measurement is not accurate enough, no
It can accurately reflect the clamping situation of cutter.
Utility model content
In view of the above situation, it is necessary to which a kind of position detecting device suitable for main shaft automatic tool changer, the position are provided
The displacement of broaching tool bar can accurately be detected by setting detection device, to solve the above problems.
A kind of position detecting device, is used for main shaft automatic tool changer, and the automatic tool changer includes main spindle quill
With the cutter locking device for clamp or release cutter, it to be used for cutter described in clamp or release, the position detecting device packet
Tool-broaching mechanism, power mechanism and induction mechanism are included, the tool-broaching mechanism includes the broaching tool bar that can be set in the main spindle quill,
One end of the broaching tool bar is connected with the cutter locking device, and the other end connects the power mechanism, the power mechanism energy
Enough include the power house set on the main spindle quill end, is equipped with piston in the power house, the piston drives the broaching tool
Bar is moved along the major axes orientation of the main spindle quill, and the outer cover of the broaching tool bar is equipped with elastic component, one end of the elastic component
It is fixedly connected on the end of the broaching tool bar, the other end, which is capable of fixing, to be connected on the inside of the main spindle quill so that the broaching tool bar
It resets, the detection device includes that coaxial sleeve is set to the inductance loop of the broaching tool boom end and is equipped with the inductance loop
Position sensor, for the induction end of the position sensor towards the inductance loop, the position sensor incudes itself and the sense
Between Ying Huan the variation of spacing and by the change transitions of the spacing be the broaching tool bar the major axes orientation moving distance.
Preferably, the inductance loop extends from the broaching tool rod end to the piston end, and the inductance loop is tapered coaxial
It is sheathed on the outside of the broaching tool boom end.
Preferably, the end protrusion of the relatively described broaching tool bar in the end of the inductance loop, the internal diameter of the inductance loop are greater than
The outer diameter of the piston.
Preferably, the position sensor is arranged perpendicular to the broaching tool bar central axis.
Preferably, the inductance loop is metal inductance loop, and the position sensor is current vortex position sensor.
Preferably, the broaching tool bar includes the first knife bar portion and the second knife bar portion being connected, first knife bar portion
Diameter is greater than the second knife bar portion.
Preferably, first knife bar portion has outwardly protruded the first protrusion and the second protrusion close to the end of the piston,
First protrusion is connected with second protrusion and outside the free end in first knife bar portion, first protrusion
Side rotation connects the inductance loop, is slidably connected on the inside of second protrusion and the main spindle quill.
Preferably, first protrusion is less than second protrusion and the broaching tool at a distance from the broaching tool bar central axis
The distance of bar central axis.
Preferably, lantern ring, first knife bar portion set is arranged far from the end of second protrusion in first knife bar portion
Equipped with the elastic component, one end of the elastic component is fixedly connected with second protrusion, and the other end is abutted against with the lantern ring.
A kind of main shaft automatic tool changer comprising: main spindle quill and the broaching tool in the main spindle quill, institute
Broaching tool is stated to be equipped with for detecting the position detecting device of tool position and for the cutter of cutter described in clamp or release
Locking device, the position detecting device include tool-broaching mechanism, power mechanism and induction mechanism, and the tool-broaching mechanism includes can
Broaching tool bar in the main spindle quill, one end of the broaching tool bar are connected with the cutter locking device, other end connection
The power mechanism, the power mechanism can include the power house set on the main spindle quill end, set in the power house
There is piston, the piston drives the broaching tool bar to move along the major axes orientation of the main spindle quill, the outer cover of the broaching tool bar
Equipped with elastic component, one end of the elastic component is fixedly connected on the end of the broaching tool bar, and the other end, which is capable of fixing, is connected to institute
It states on the inside of main spindle quill so that the broaching tool bar resets, the detection device includes the sense that coaxial sleeve is set to the broaching tool boom end
Ying Huan and the position sensor being equipped with the inductance loop, the induction end of the position sensor towards the inductance loop,
The position sensor incudes the variation of its spacing between the inductance loop and is the drawing by the change transitions of the spacing
Moving distance of the knife bar in the major axes orientation.
Above-mentioned position detecting device, using axial position of the current vortex position sensor detection broaching tool bar in main spindle quill
It moves, when broaching tool bar moves axially, the axial displacement of broaching tool bar can be converted to the vertical of relative sensors by the outer surface of inductance loop
Displacement, so that sensor can calculate the axial position of broaching tool bar, obtains accurate cutter clamping state.Current vortex location sensitive
The measurement accuracy of device is higher, can reach micron order.It is automatic at it using the main shaft automatic tool changer of above-mentioned position detecting device
In exchanging knives process, the precise positioning to cutter may be implemented, realize efficiently and accurately tool changing.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of the main shaft automatic tool changer in one embodiment of the utility model.
Fig. 2 is cross-sectional view of the main shaft automatic tool changer shown in FIG. 1 along II-II face.
Fig. 3 is the position detecting device inside broach bar of main shaft automatic tool changer shown in Fig. 2 and standing for inductance loop cooperation
Body schematic diagram.
Fig. 4 is the cross-sectional view of position detecting device inside broach bar shown in Fig. 3 and inductance loop cooperation along IV-IV face.
Fig. 5 is another status diagram of main shaft automatic tool changer shown in Fig. 2.
Main element symbol description
The following detailed description will be further explained with reference to the above drawings the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The all other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that it can be directly to separately when an element is considered as " connection " another element
One element may be simultaneously present the element being centrally located.When an element is considered as " setting exists " another element,
It, which can be, is set up directly on another element or may be simultaneously present the element being centrally located.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
Referring to Fig. 1 and Fig. 2, the utility model provides a kind of main shaft automatic tool changer 200, and the main shaft is automatic
Knife-changing system 200 includes main spindle quill 210 and the broaching tool in main spindle quill 210, which is equipped with and is used for
Detect the position detecting device 100 of tool position and the cutter locking device 12 for clamp or release cutter.Other component and
Text does not repeat them here interactively herein.
Specifically, which includes tool-broaching mechanism 10, power mechanism 20 and induction mechanism 30.The main shaft
Automatic tool changer 200 includes a main spindle quill 210 and cutter locking device 12, and cutter locking device 12 is for clamping or pine
Operate on tool.Tool-broaching mechanism 10 is set in main spindle quill 210, and tool-broaching mechanism 10 is substantially in cylindrical shape along the master of main spindle quill 210
Axis distribution, specifically, the tool-broaching mechanism 10 include the broaching tool bar 11 on the main shaft of main spindle quill 210.The one of broaching tool bar 11
End is connected with cutter locking device 12, and the other end is connected with power mechanism 20, and cutter locking device 12 is for clamping or unclamping
Cutter realizes automatic tool changer process；Power mechanism 20 includes the power house 21 set on 210 end of main spindle quill, in power house 21
Equipped with piston 22, the power in power house 21 can use oil pressure and air pressure, and piston 22 drives under the action of oil pressure or air pressure
Move broaching tool bar 11 along the major axes orientation of main spindle quill 210.The effect of position detecting device 100 is detection broaching tool bar 11 in master
The displacement of the main axle moving of pipe spreader 210, position detecting device 100 include the sense set on broaching tool bar 11 close to the end of piston 22
Ring 31 and the position sensor being equipped with inductance loop 31 32 are answered, which is set to main spindle quill 210, position sense
Answer the induction end of device 32 towards inductance loop 31, the detection of position sensor 32 can cooperate with inductance loop 31, as shown in Fig. 2, position
Inductor 32 is arranged perpendicular to 11 central axis of broaching tool bar, in 11 moving process of broaching tool bar, position sensor 32 and inductance loop 31
Between vertical range Z1 constantly changing, position sensor 32 can convert broaching tool bar 11 for the variation of vertical range Z1 and exist
The moving distance of major axes orientation.
Please continue to refer to Fig. 2, inductance loop 31 extends from the end close to broaching tool bar 11 to the end close to piston 22, induction
The tapered outside that 11 end of broaching tool bar is set to 11 coaxial sleeve of broaching tool bar of ring 31, i.e., the outer peripheral surface of inductance loop 31 is with respect to broaching tool bar
The distance of 11 central axises is gradually reduced or is gradually increased.In the present embodiment, inductance loop 31 from close to broaching tool bar 11 end extremely
Close to the end of piston 22, the outer peripheral surface of inductance loop 31 is gradually reduced with respect to the distance of 11 central axis of broaching tool bar.Specifically, incude
The end of ring 31 is protruded with respect to the end of broaching tool bar 11, and the sensing area of position sensor 32 is made to be greater than the end of broaching tool bar 11
Area avoids the occurrence of sense blind area, which is the tapered outer side face of inductance loop 31.The internal diameter of inductance loop 31 is greater than piston
22 outer diameter, piston 22 abut after being sent into inductance loop 31 with pull rod.
In the present embodiment, inductance loop 31 is metal inductance loop 31, and position sensor 32 is current vortex position sensor, but not
It excludes to use other sensing devices.Using metal inductance loop 31 and current vortex position sensor mating reaction, for distance change
Measurement accuracy it is higher, can achieve micron order.
Please refer to Fig. 3 and Fig. 4, broaching tool bar 11 includes the first knife bar portion 111 and the second knife bar portion 112 being connected,
The diameter in the first knife bar portion 111 is greater than the straight warp in the second knife bar portion 112.In some alternate embodiments, the first knife bar portion 111
Diameter can be equal to the second knife bar portion 112 diameter.
Again referring concurrently to Fig. 2 and Fig. 4, the first knife bar portion 111 has outwardly protruded the first protrusion close to the end of piston 22
113 and second protrusion 114, the first protrusion 113 be connected and be located at the free end in the first knife bar portion 111 with the second protrusion 114.The
The outside rotation connection inductance loop 31 of one protrusion 113, the installation that inductance loop 31 can be convenient.Second protrusion 114 and main spindle quill
210 insides are slidably connected.Further, the first protrusion 113 is at a distance from 11 central axis of broaching tool bar less than the second protrusion 114 and drawing
The distance of 11 central axis of knife bar.Second protrusion 114 can limit the position that broaching tool bar 11 moves in main spindle quill 210, make it
It is moved along the axial direction stabilization of main spindle quill 210.
Further, 111 outer cover of the first knife bar portion is equipped with above-mentioned elastic component 23, which is spring, but unlimited
In other elastic mechanisms of use.End setting lantern ring 115 of the first knife bar portion 111 far from the second protrusion 114, the one of elastic component 23
End is fixedly connected with the first protrusion 113, and the other end is abutted against with lantern ring 115.It, can band when elastic component 23 restores initial position
Dynamic broaching tool bar 11 resets.
Second knife bar portion 112 is provided with cutter locking device 12, cutter locking device far from the end in the first knife bar portion 111
12 ends are equipped with clamping jaw 121, and clamping jaw 121 is used for clamp or release cutter, which can be used artificial release or mechanical
It unclamps, changes Automatic-clamping after cutter.
Specifically, referring concurrently to Fig. 2 and Fig. 5, broaching tool is in broaching tool state (as shown in Figure 2), piston 22 and broaching tool
Bar 11 is contactless, and the induction end of position sensor 32 detects it and the vertical range of inductance loop 31 is Z1.It is living when needing tool changing
Plug 22 is mobile to the end of broaching tool bar 11 under the action of oil pressure or air pressure, and then pushes broaching tool bar 11 along main spindle quill 210
Axial movement, elastic component 23 is in compressive state at this time, when broaching tool bar 11 is moved to tool change position, as shown in figure 5, position
The induction end of inductor 32 detects it and the vertical range of inductance loop 31 is Z2, and broaching tool bar 11 is on the main shaft of main spindle quill 210
Axial displacement be converted to inductance loop 31 and position sensor 32 vertical range variation so that sensor can calculate broaching tool
The axial position of bar 11, the position of precise positioning broaching tool bar 11.
When broaching tool bar 11 is in tool changing state (as shown in Figure 5), the clamping jaw 121 of cutter locking device 12 unclamps, and changes knife
Tool, broaching tool bar 11 need to reset broaching tool, and the oil pressure in power house 21 or air pressure reduce at this time, and 22 passive delivery of piston is not having at this time
Under the action of having external force, elastic component 23 resets, and drives broaching tool bar 11 along the axial reset movement of main spindle quill 210, when being moved to
The induction end of position sensor 32 detects the vertical range of itself and inductance loop 31 when being Z1, as shown in Fig. 2, 11 broaching tool of broaching tool bar is complete
At.
It is no knife-like state there are also another state during broaching tool, that is to say, that be in tool changing shape in broaching tool bar 11
When state, at this time after 121 loosening cutter of clamping jaw of cutter locking device 12, it is not required to carry out tool changing movement, broaching tool bar 11 is resetted without knife.
In such state, since weight ratio of the broaching tool bar 11 in no knife is light-weight when there is knife, when no knife, in elasticity
The recovery reset condition of part 23 drives broaching tool bar 11 larger in the distance of the axial displacement of main spindle quill 210, and broaching tool when having knife
The distance that bar 11 resets is different.Because it is automatic can also accurately to detect main shaft using position detector provided by the utility model
Knife-changing system 200 has knife-like state and without knife-like state.
In addition, those skilled in the art can also do other variations within the spirit of the present invention, certainly, these are according to this reality
The variation made of novel spirit should all be included in the utility model range claimed.
Claims (10)
1. a kind of position detecting device, be used for main shaft automatic tool changer, the automatic tool changer include main spindle quill and
For the cutter locking device of clamp or release cutter, for cutter described in clamp or release, it is characterised in that: the position inspection
Surveying device includes tool-broaching mechanism, power mechanism and induction mechanism, and the tool-broaching mechanism includes that can be set in the main spindle quill
Broaching tool bar, one end of the broaching tool bar is connected with the cutter locking device, and the other end connects the power mechanism, described dynamic
Force mechanisms can include the power house set on the main spindle quill end, be equipped with piston in the power house, the piston drives
The broaching tool bar is moved along the major axes orientation of the main spindle quill, and the outer cover of the broaching tool bar is equipped with elastic component, the elasticity
One end of part is fixedly connected on the end of the broaching tool bar, and the other end, which is capable of fixing, to be connected on the inside of the main spindle quill so that institute
The reset of broaching tool bar is stated, the detection device includes that coaxial sleeve is set to the inductance loop of the broaching tool boom end and matches with the inductance loop
The position sensor of setting is closed, for the induction end of the position sensor towards the inductance loop, the position sensor incudes it
Between the inductance loop variation of spacing and by the change transitions of the spacing be the broaching tool bar in the major axes orientation
Moving distance.
2. position detecting device as described in claim 1, it is characterised in that: the inductance loop is from the broaching tool rod end to described
Piston end extends, and the tapered coaxial sleeve of inductance loop is set to the outside of the broaching tool boom end.
3. position detecting device as described in claim 1, it is characterised in that: the relatively described broaching tool bar in the end of the inductance loop
End protrusion, the internal diameter of the inductance loop is greater than the outer diameter of the piston.
4. position detecting device as described in claim 1, it is characterised in that: the position sensor is perpendicular to the broaching tool bar
Central axis setting.
5. position detecting device as claimed in claim 4, it is characterised in that: the inductance loop is metal inductance loop, institute's rheme
Setting inductor is current vortex position sensor.
6. position detecting device as described in claim 1, it is characterised in that: the broaching tool bar includes the first knife bar being connected
The diameter in portion and the second knife bar portion, first knife bar portion is greater than the second knife bar portion.
7. position detecting device as claimed in claim 6, it is characterised in that: first knife bar portion is close to the end of the piston
Portion has outwardly protruded the first protrusion and the second protrusion, and first protrusion is connected with second protrusion and is located at described first
The free end in knife bar portion, the outside rotation of first protrusion connect the inductance loop, second protrusion and the collar bush
It is slidably connected on the inside of pipe.
8. position detecting device as claimed in claim 7, it is characterised in that: first protrusion and the broaching tool bar central axis
Distance be less than it is described second protrusion at a distance from the broaching tool bar central axis.
9. position detecting device as claimed in claim 8, it is characterised in that: first knife bar portion is far from second protrusion
End lantern ring is set, first knife bar portion is arranged with the elastic component, one end of the elastic component and second protrusion
It is fixedly connected, the other end is abutted against with the lantern ring.
10. a kind of main shaft automatic tool changer comprising: main spindle quill and the broaching tool in the main spindle quill,
Be characterized in that: the broaching tool is equipped with the position detecting device for detecting tool position and is used for described in clamp or release
The cutter locking device of cutter, the position detecting device include tool-broaching mechanism, power mechanism and induction mechanism, the broaching tool machine
Structure includes the broaching tool bar that can be set in the main spindle quill, and one end of the broaching tool bar connects the cutter locking device, separately
One end connects the power mechanism, and the power mechanism can include the power house set on the main spindle quill end, described dynamic
Piston is equipped in power room, the piston drives the broaching tool bar to move along the major axes orientation of the main spindle quill, the broaching tool bar
Outer cover be equipped with elastic component, one end of the elastic component is fixedly connected on the end of the broaching tool bar, and the other end is fixedly connected
So that the broaching tool bar resets on the inside of the main spindle quill, the detection device includes that coaxial sleeve is set to the broaching tool boom end
Inductance loop and the position sensor that is equipped with the inductance loop, the induction end of the position sensor is towards the induction
Ring, the position sensor incude the variation of its spacing between the inductance loop and are described by the change transitions of the spacing
Moving distance of the broaching tool bar in the major axes orientation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821690106.9U CN209078348U (en) | 2018-10-17 | 2018-10-17 | Position detecting device and main shaft automatic tool changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821690106.9U CN209078348U (en) | 2018-10-17 | 2018-10-17 | Position detecting device and main shaft automatic tool changer |
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| CN209078348U true CN209078348U (en) | 2019-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821690106.9U Active CN209078348U (en) | 2018-10-17 | 2018-10-17 | Position detecting device and main shaft automatic tool changer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109176102A (en) * | 2018-10-17 | 2019-01-11 | 基准精密工业（惠州）有限公司 | Position detecting device and main shaft automatic tool changer |
| CN110853917A (en) * | 2019-11-26 | 2020-02-28 | 东莞市春之田自动化科技有限公司 | Sleeve conveying detection mechanism and transformer coil pipe-penetrating winding machine |
| CN114434213A (en) * | 2022-04-11 | 2022-05-06 | 北京博鲁斯潘精密机床有限公司 | Broach position detection system of aeroengine blade tenon blade machine tool |
-
2018
- 2018-10-17 CN CN201821690106.9U patent/CN209078348U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109176102A (en) * | 2018-10-17 | 2019-01-11 | 基准精密工业（惠州）有限公司 | Position detecting device and main shaft automatic tool changer |
| CN110853917A (en) * | 2019-11-26 | 2020-02-28 | 东莞市春之田自动化科技有限公司 | Sleeve conveying detection mechanism and transformer coil pipe-penetrating winding machine |
| CN114434213A (en) * | 2022-04-11 | 2022-05-06 | 北京博鲁斯潘精密机床有限公司 | Broach position detection system of aeroengine blade tenon blade machine tool |
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Effective date of registration: 20231124 Address after: 518109, 1st Floor, Building B3, Foxconn Industrial Park, No. 2 East Ring 2nd Road, Fukang Community, Longhua Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Fulian Jingjiang Technology Co.,Ltd. Address before: 516100 twelve village section of gate village group of Xia Liao village, Longxi Town, Boluo County, Huizhou, Guangdong Patentee before: JI ZHUN PRECISION INDUSTRY (HUI ZHOU) Co.,Ltd. |
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