CN206567922U - A kind of structure for feeding back main axle cutter status information - Google Patents
A kind of structure for feeding back main axle cutter status information Download PDFInfo
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- CN206567922U CN206567922U CN201720099853.4U CN201720099853U CN206567922U CN 206567922 U CN206567922 U CN 206567922U CN 201720099853 U CN201720099853 U CN 201720099853U CN 206567922 U CN206567922 U CN 206567922U
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- China
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- shaft core
- compressed air
- status information
- sensor
- pull bar
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Abstract
The utility model is related to a kind of structure for feeding back main axle cutter status information, including body, shaft core, and the pull bar that the support that slides axially is connected in the spindle hole of the shaft core, the bottom of shaft core is provided with bellmouth, on the excircle of pull bar axially plunger tip and slide cores are from top to bottom connected with turn along it, the slide cores be provided with the radial direction can along shaft core radial direction slide pulling claw, it is characterized on pull bar being socketed with and corresponding on inductance loop, body is from top to bottom interval with first sensor, second sensor and 3rd sensor successively；Air duct is additionally provided with shaft core, the one end of air duct away from bellmouth is provided with compressed air inlet, the pressure sensor being also externally connected with the compressed air outlet being connected with the external world, compressed air inlet for detecting air pressure is provided with close to one end of bellmouth.The technical scheme can increase feedback information to the tool state information measured, it is ensured that the tool state information of acquisition is accurately and reliably, it is ensured that lathe operation safety.
Description
Technical field
The utility model is related to a kind of structure for feeding back main axle cutter status information.
Background technology
In high-speed main spindle field, ATC action process, cutter-exchange mechanism takes out cutter from tool magazine, loads main shaft.Cutter exists
The status information of main shaft, that is, unload cutting tool state, without cutting tool state and cutter tension, is that digital control system control main shaft rotates
One of dynamic requisite information.
Tool state information, forges a knife dress typically by three displacement transducers inside rear-end of spindle or by lathe
The displacement transducer put is measured.Due to the influence of various factors, the tool state information that these three displacement transducers are measured is depended merely on
Sometimes it is inaccurate, such as：When main shaft loads cutter, main axle cutter is not tensed, but due to the alignment error or biography of displacement transducer
The factors such as the sensitivity error of sensor, cause displacement transducer to measure cutter tension information, and digital control system obtains cutter drawing
After tight status information, control main shaft starts to rotate at a high speed, under the unstrained situation of the actual cutter of main shaft, at a high speed the main shaft of rotation
Cutter can be caused to fly out the accident of main shaft, or even the cutter flown out causes personal injury to Field Force, thereby it is ensured that obtain
Tool state information is accurate very necessary.
Utility model content
In view of this, the purpose of this utility model is that providing a kind of can increase the tool state information measured feeds back
A kind of information, it is ensured that the tool state information of acquisition is accurately and reliably, it is ensured that feedback main axle cutter state letter of lathe operation safety
The structure of breath.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of structure for feeding back main axle cutter status information, including body, rotation support are connected to the shaft core in the body,
And the pull bar that the support that slides axially is connected in the spindle hole of the shaft core, the bottom of the shaft core is provided with to be connected with the spindle hole
Axially plunger tip and slide cores are from top to bottom connected with turn along it, the cunning on the continuous bellmouth formed, the excircle of the pull bar
That moves core is provided with the pulling claw that can be slided along shaft core radial direction in the radial direction, wherein inductance loop is socketed with the pull bar,
It is corresponding on the body to be from top to bottom interval with first sensor, second sensor and 3rd sensor successively；The axle
In-core is additionally provided with air duct, and the one end of the air duct away from the bellmouth is provided with compressed air inlet, close to described
One end of bellmouth is provided with the compressed air outlet being connected with the external world, the compressed air inlet and is also externally connected with for examining
Survey the pressure sensor of air pressure.
Preferably, the structure of above-mentioned a kind of feedback main axle cutter status information, wherein the compressed air outlet includes
First outlet and the second outlet at the bellmouth inner wall position positioned at the shaft core bottom level end.
Preferably, the structure of above-mentioned a kind of feedback main axle cutter status information, wherein the air duct includes and institute
The parallel vertical section of the central axis of shaft core is stated, the vertical section extends the water with its upper end along compressed air outlet straight up
Flat section connection, described horizontal segment one end is connected with the compressed air inlet.
Preferably, the structure of above-mentioned a kind of feedback main axle cutter status information, wherein the other end water of the horizontal segment
It is flat to extend outwardly through the shaft core, and it is provided with plug in its open end.
Preferably, the structure of above-mentioned a kind of feedback main axle cutter status information, wherein the upper end of the pull bar with it is described
Annular gap is provided between shaft core, the annular gap bottom end closure open top end forms the compressed air inlet.
Preferably, the structure of above-mentioned a kind of feedback main axle cutter status information, wherein provided with cooling inside the pull bar
Cavity, the cooling cavity is connected with external coolant delivery branch pipe and compressed air delivery branch pipe respectively by an interflow pipeline,
Check valve is respectively provided with respectively in the coolant delivery branch pipe and compressed air delivery branch pipe.
Compared with prior art, the beneficial effects of the utility model are mainly reflected in：
When filling handle of a knife process, the knife machining mechanism pushing drawing rod inside lathe or shaft core makes pull bar drive plunger tip to move down, pulling claw
Open, now, positioned at the 3rd sensor of body from top to bottom bottommost, because pull bar drives inductance loop to move down, correspondence, which is measured, unloads
Cutting tool state signal；The pressure sensor of cutting tool state is fed back, because compressed air outlet is outwards blown, air pressure has loss, no gas
Signal is pressed, illustrates that shaft core is in without cutting tool state or the non-tension of cutter.
After pulling claw opens, the handle of a knife taken out from tool magazine is loaded the corresponding bellmouth of shaft core, knife machining mechanism by cutter-exchange mechanism
Releasing lever, pull bar is under the promotion of the disk spring of plunger tip, and return drives slide cores, pulling claw is tightly embraced handle of a knife, this
When, positioned at the second sensor of body from top to bottom, because pull bar drives inductance loop to move up, measure cutter tension signal；Instead
The pressure sensor of cutting tool state is presented, because compressed air outlet is blocked by handle of a knife, air pressure free of losses measures air pressure signal, explanation
Shaft core is in cutter tension.
When main shaft is without cutter, inductance loop sensing detects first sensor and without cutting tool state position, is measuring no cutter shape
State signal；Feed back the pressure sensor of cutting tool state, no air pressure signal.
When only sensor is consistent with the tool state information that pressure sensor is measured, digital control system could control main shaft to revolve
Turn, no side, system is alarmed.
Brief description of the drawings
Fig. 1：The utility model structural representation；
Fig. 2：The utility model part-structure schematic diagram.
Embodiment
Below, with reference to accompanying drawing and embodiment, the utility model is described further：
As depicted in figs. 1 and 2, a kind of structure for feeding back main axle cutter status information, including body 1, rotation support connection
Shaft core 2 in the body 1, and the pull bar 3 that the support that slides axially is connected in the spindle hole of the shaft core 2, the bottom of shaft core 2
Provided with the bellmouth 20 being formed continuously with spindle hole, axially plunger tip 4 is from top to bottom connected with turn along it on the excircle of pull bar 3
With slide cores 5, the slide cores 5 be provided with the radial direction can along the radial direction of shaft core 2 slide pulling claw 6, wherein on pull bar 3
It is socketed with and corresponding on inductance loop 8, body 1 is from top to bottom interval with first sensor 9, second sensor 10 and the 3rd successively
Sensor 11；Air duct 12 is additionally provided with shaft core 2, the one end of air duct 12 away from bellmouth 20 is provided with compressed air inlet
15, it is provided with close to one end of bellmouth 20 at the compressed air outlet (13,14) being connected with the external world, compressed air inlet 15 also
It is externally connected with the pressure sensor 16 for detecting air pressure.
Specifically, compressed air outlet (13,14) includes the first outlet 13 positioned at the bottom level end of shaft core 2 and position
Second outlet 14 at the inner wall position of bellmouth 20.
Air duct 12 includes the vertical section 120 parallel with the central axis of shaft core 2, and the vertical section 120 is empty along compression
Gas is exported, and specially first outlet 13 extends connected with the horizontal segment 121 of its upper end straight up, the one end of horizontal segment 121 and pressure
Contracting air intake 15 is connected.
The other end of horizontal segment 121 horizontally outward extends through shaft core 2, and is provided with plug 17 in its open end, certainly should
Horizontal segment 121 can also be set in built-in, and it simultaneously can also play identical sealing sealing effect not through shaft core 2.
Annular gap is provided between the upper end of pull bar 3 and shaft core 2, the annular gap bottom end closure open top end forms pressure
Contracting air intake 15.
In addition, the inside of pull bar 3 is provided with cooling cavity 18, the cooling cavity 18 by an interflow pipeline respectively with external cooling
Liquid delivery branch pipe 19 is connected with compressed air delivery branch pipe 21, in the coolant delivery branch pipe 19 and compressed air delivery branch pipe 21
Check valve 22 is respectively provided with respectively.
When filling handle of a knife process, the knife machining mechanism pushing drawing rod inside lathe or shaft core makes pull bar drive plunger tip to move down, drawn
Pawl is opened, now, and positioned at the 3rd sensor of body from top to bottom bottommost, because pull bar drives inductance loop to move down, correspondence is measured
Unload cutting tool state signal；The pressure sensor of cutting tool state is fed back, because compressed air outlet is outwards blown, air pressure has loss, nothing
Air pressure signal, illustrates that shaft core is in without cutting tool state or the non-tension of cutter.
After pulling claw opens, the handle of a knife taken out from tool magazine is loaded the corresponding bellmouth of shaft core, knife machining mechanism by cutter-exchange mechanism
Releasing lever, pull bar is under the promotion of the disk spring of plunger tip, and return drives slide cores, pulling claw is tightly embraced handle of a knife, this
When, positioned at the second sensor of body from top to bottom, because pull bar drives inductance loop to move up, measure cutter tension signal；Instead
The pressure sensor of cutting tool state is presented, because compressed air outlet is blocked by handle of a knife, air pressure free of losses measures air pressure signal, explanation
Shaft core is in cutter tension.
When main shaft is without cutter, inductance loop sensing detects first sensor and without cutting tool state position, is measuring no cutter shape
State signal；Feed back the pressure sensor of cutting tool state, no air pressure signal.
When only sensor is consistent with the tool state information that pressure sensor is measured, digital control system could control main shaft to revolve
Turn, no side, system is alarmed.
By above description as can be seen that the technical scheme can carry out accurate feedback, resistance to main axle cutter status information
The situation that only main shaft starts to rotate at a high speed because cutter is not tensed occurs.The knot of technical scheme increase feedback tool state information
Structure, can effectively prevent tool state information in the prior art and occur with the situation that actual cutting tool state is not consistent, it is ensured that lathe is pacified
For the national games turn.
In addition, compressed air is blown out by air duct in the technical scheme, additionally it is possible to fixed to main shaft bellmouth and handle of a knife
Plane plays a part of cleaning, dedusting.Specifically, compressed air from second outlet 14 blow out when, to taper hole locating surface and handle of a knife
The conical surface plays cleaning, dustproof function；When being blown out from first outlet 13, a pair handle of a knife locating surface parallel with shaft core end face is played clearly
Clean, dustproof function.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection of the utility model claim
Within the scope of.
Claims (6)
1. a kind of structure for feeding back main axle cutter status information, including body, rotation support are connected to the shaft core in the body, with
And the pull bar that the support that slides axially is connected in the spindle hole of the shaft core, the bottom of the shaft core is provided with continuous with the spindle hole
Axially plunger tip and slide cores are from top to bottom connected with turn along it, the slip on the bellmouth of formation, the excircle of the pull bar
Core be provided with the radial direction can along shaft core radial direction slide pulling claw, it is characterised in that：Thoughts are socketed on the pull bar
It is corresponding on Ying Huan, the body to be from top to bottom interval with first sensor, second sensor and 3rd sensor successively；Institute
State and air duct is additionally provided with shaft core, the one end of the air duct away from the bellmouth is provided with compressed air inlet, close
One end of the bellmouth is provided with the compressed air outlet being connected with the external world, the compressed air inlet and is also externally connected with use
In the pressure sensor of detection air pressure.
2. a kind of structure for feeding back main axle cutter status information according to claim 1, it is characterised in that：The compression is empty
Gas outlet includes the positioned at the first outlet of the shaft core bottom level end and at the bellmouth inner wall position
Two outlets.
3. a kind of structure for feeding back main axle cutter status information according to claim 1, it is characterised in that：The air leads to
Road include the vertical section parallel with the central axis of the shaft core, the vertical section extend straight up along compressed air outlet with
The horizontal segment connection of its upper end, described horizontal segment one end is connected with the compressed air inlet.
4. a kind of structure for feeding back main axle cutter status information according to claim 3, it is characterised in that：The horizontal segment
The other end horizontally outward extend through the shaft core, and be provided with plug in its open end.
5. a kind of structure of feedback main axle cutter status information according to claim 1 or 3, it is characterised in that：It is described to draw
Annular gap is provided between the upper end of bar and the shaft core, the annular gap bottom end closure open top end forms the compression empty
Gas entrance.
6. a kind of structure for feeding back main axle cutter status information according to claim 1, it is characterised in that：In the pull bar
Portion is conveyed with external coolant delivery branch pipe and compressed air respectively provided with cooling cavity, the cooling cavity by an interflow pipeline
Branch pipe is connected, and check valve is respectively provided with respectively in the coolant delivery branch pipe and compressed air delivery branch pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720099853.4U CN206567922U (en) | 2017-01-23 | 2017-01-23 | A kind of structure for feeding back main axle cutter status information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720099853.4U CN206567922U (en) | 2017-01-23 | 2017-01-23 | A kind of structure for feeding back main axle cutter status information |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206567922U true CN206567922U (en) | 2017-10-20 |
Family
ID=60061192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720099853.4U Active CN206567922U (en) | 2017-01-23 | 2017-01-23 | A kind of structure for feeding back main axle cutter status information |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206567922U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434141A (en) * | 2018-11-29 | 2019-03-08 | 深圳市爱贝科精密机械有限公司 | A kind of rotor assembly and permanent magnet synchronization motor spindle of electro spindle |
| CN111148597A (en) * | 2017-10-23 | 2020-05-12 | 舍弗勒技术股份两合公司 | Measuring system for monitoring a spindle |
-
2017
- 2017-01-23 CN CN201720099853.4U patent/CN206567922U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111148597A (en) * | 2017-10-23 | 2020-05-12 | 舍弗勒技术股份两合公司 | Measuring system for monitoring a spindle |
| CN111148597B (en) * | 2017-10-23 | 2021-11-23 | 舍弗勒技术股份两合公司 | Measuring system for monitoring a spindle |
| US11883918B2 (en) | 2017-10-23 | 2024-01-30 | Schaeffler Technologies AG & Co. KG | Measuring system for monitoring a spindle |
| CN109434141A (en) * | 2018-11-29 | 2019-03-08 | 深圳市爱贝科精密机械有限公司 | A kind of rotor assembly and permanent magnet synchronization motor spindle of electro spindle |
| CN109434141B (en) * | 2018-11-29 | 2023-12-22 | 深圳市爱贝科精密工业股份有限公司 | Rotor assembly of electric spindle and permanent magnet synchronous electric spindle |
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