CN203527151U - Cutter handle in-place detecting device of high-speed electric spindle broach mechanism - Google Patents
Cutter handle in-place detecting device of high-speed electric spindle broach mechanism Download PDFInfo
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- CN203527151U CN203527151U CN201320595460.4U CN201320595460U CN203527151U CN 203527151 U CN203527151 U CN 203527151U CN 201320595460 U CN201320595460 U CN 201320595460U CN 203527151 U CN203527151 U CN 203527151U
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Abstract
A cutter handle in-place detecting device of a high-speed electric spindle broach mechanism comprises a bearing seat, a gas detecting channel, a piston and a switch mechanism. A central spindle is mounted in the bearing seat through a bearing, a pull rod is movably connected in the central spindle in a penetrating mode, a cutter handle is connected to the lower end of the pull rod, and the upper portion of the cutter handle is provided with a matching face matched with the lower end face of the central spindle. The gas detecting channel comprises a first gas flow channel arranged in the bearing seat and a second gas flow channel arranged in the central spindle, an inlet formed in the outer surface of the bearing seat by the first gas flow channel is communicated with an outside gas source, an outlet of the second gas flow channel is placed in the lower end face of the central spindle, and an outlet of the first gas flow channel is oppositely arranged with an inlet of the second gas flow channel. The piston is slidably mounted between the bearing seat and the central spindle, and a through hole is formed in the piston. The switch mechanism is used for driving the piston to move axially. According to the cutter handle in-place detecting device, the gas flow mode is used for detecting whether the cutter handle and the lower end face of the central spindle are closely matched, so that whether the cutter is mounted in place or not is judged, and the structure is simple, safe and reliable.
Description
Technical field
The utility model relates to a kind of high-speed electric main shaft tool-broaching mechanism, is specifically related to the handle of a knife of high-speed electric main shaft tool-broaching mechanism to level detecting apparatus.
Background technology
High-speed electric main shaft is the critical component in Digit Control Machine Tool, and the advantages such as it has compact conformation, lightweight, inertia is little, it is little to vibrate, noise is low, fast response time, can effectively simplify the design of lathe, are easy to realize main shaft orientation.
Present stage, high-speed electric main shaft tool-broaching mechanism is when work, need first by the axial axle core that is arranged on electric main shaft of handle of a knife, concrete, one of the axial installation of axle core inner for pulling the pull bar of handle of a knife, before work, pull rod shaft to pull handle of a knife, handle of a knife is coordinated with axle core end face, and power-on, drives handle of a knife High Rotation Speed by electric main shaft afterwards; In above-mentioned broaching tool process, may there is the situation not in place of installing in handle of a knife, and the end face of handle of a knife is not fitted with axle core end face, between its two, there is certain gap, if now open electric main shaft, drive handle of a knife rotation, handle of a knife probably comes off when High Rotation Speed, causes larger potential safety hazard.In a word, existing tool-broaching mechanism, after handle of a knife is installed, does not have to detect the device whether handle of a knife is in place, and its security is lower.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is intended to provide a kind of handle of a knife of high-speed electric main shaft tool-broaching mechanism to level detecting apparatus, it can be drawn to handle of a knife behind the position coordinating with axle core at pull bar, whether handle of a knife is in place and is detected, for improving the security of lathe.
For achieving the above object, the utility model adopts following technical scheme:
The handle of a knife of high-speed electric main shaft tool-broaching mechanism, to level detecting apparatus, comprises,
Bearing block, its inside is provided with axle core by bearing, and the cross-under of the internal activity of axle core has pull bar, and the bottom of pull bar connects handle of a knife, and the top of handle of a knife has a mating surface mating with axle core lower surface;
Gas sense channel, this gas sense channel comprises the first gas channel of being arranged on bearing block, is arranged at the second gas channel on axle core, the first gas channel is communicated with extraneous source of the gas in the import of the outer surface formation of bearing block, the outlet of the second gas channel is positioned at the lower surface of axle core, and the import of the outlet of the first gas channel and the second gas channel is oppositely arranged;
Piston, being arranged between bearing block and axle core of slip, is provided with a through hole on this piston; And,
Switching mechanism, for driving piston axially-movable to move between the closed position that drives through hole and mutually stagger in the outlet of an open position concordant with the outlet of the first gas channel and the one and first gas channel.
Switching mechanism comprises the 3rd gas channel and the flexible member being arranged on bearing block, and the 3rd gas channel is communicated with extraneous origin in the import of the outer surface formation of bearing block; Bearing block inside is provided with one for piston plunger shaft in axial sliding within it, the lower chambers conducting of the outlet of the 3rd gas channel and plunger shaft, flexible member is limited between the top ends of piston and bearing block and for providing one piston is pushed up to the elastic stress of pressure downwards.
Bearing block inside is provided with interior collar, outer collar and is covered in interior collar and the upper cover of outer collar top ends, plunger shaft is surrounded by interior collar, outer collar and upper cover, on cover and be uniformly distributed with a plurality of installing holes, flexible member is to be a plurality ofly arranged at one to one in installing hole and top, bottom is pressed on the spring of piston upper surface; On outer collar, be provided with the first through hole being communicated with the first gas channel, the third through-hole being communicated with the 3rd gas channel, on interior collar, be provided with the second through hole being communicated with the second gas channel.
The surfaces externally and internally of interior collar surfaces externally and internally, outer collar is provided with the cannelure being communicated with the second through hole, the first through hole respectively.
The import department that is positioned at the second gas channel on axle core has been evenly arranged a plurality of check-valves, and the output of the plurality of check-valves is towards the outlet of the second gas channel.
The beneficial effects of the utility model are:
Than prior art, the utility model adopts the mode of gas flow to detect handle of a knife and whether axle core lower surface closely cooperates, thereby judge whether handle of a knife is in place, it is simple in structure, safe and reliable, and after detection completes, gas sense channel is closed, thereby can avoid axle core in high speed rotating situation, to produce vibration and noise.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Wherein: 10, axle core; 11, lower surface; 12, the second gas channel; 13, check-valves; 20, bearing block; 21, the first gas channel; 22, the 3rd gas channel; 30, interior collar; 31, the second through hole; 40, outer collar; 41, the first through hole; 42, third through-hole; 50, upper cover; 51, installing hole; 60, spring; 70, piston; 71, through hole; 80, lower chambers; 91, pull bar; 92, handle of a knife; 921, mating surface.
The specific embodiment
Below, by reference to the accompanying drawings and the specific embodiment, the utility model is described further:
As shown in Figure 1, for checkout gear of the present utility model comprises bearing block 20, gas inspection sense channel, piston 70 and switching mechanism, wherein, bearing block 20 inside are provided with axle core 10 by bearing, same as the prior art, the cross-under of axle core 10 internal activities has pull bar 91, the bottom of pull bar 91 connects handle of a knife 92, the top of handle of a knife 92 has a mating surface 921, mate with this mating surface 921 lower surface 11 of axle core 10, after handle of a knife 92 is upwards lifted by pull bar 91 and puts in place, mating surface 921 should be close-fitting with the lower surface 11 of axle core 10, the lower surface 11 that the utility model is intended to detect above-mentioned mating surface 921 and axle core 10 is after broaching tool process completes, whether closely cooperate.
Above-mentioned gas sense channel comprises the first gas channel 21 being arranged on bearing block 20, be arranged at the second gas channel 12 on axle core 10, the first gas channel 21 is extended to the inner surface of bearing block 20 by the outer surface of bearing block 20, the outer surface of the second 12 of gas channels by axle core 10 extends to the lower surface 11 of axle core 10, the first gas channel 21 is used for being communicated with external world's origin in the import of the outer surface formation of bearing block 20, the setting that the outlet of the first gas channel 21 is relative with the import of the second gas channel 12, that is to say, the import of the outlet of the first gas channel 21 and the second gas channel 12 is in the plane at the same axial cross section place of axle core 10.Being arranged between bearing block 20 and axle core 10 of piston 70 activities, on it, be provided with a through hole 71, piston 70 can the plunger shaft between bearing block 20 and axle core 10 in endwisely slipping along axle core 10, concrete is, in bearing block 20 inside, be provided with interior collar 30, outer collar 40 and be covered in interior collar 30 and the upper cover 50 of outer collar 40 top ends, plunger shaft is surrounded by interior collar 30, outer collar 40 and upper cover 50, and what piston 70 slided is arranged in plunger shaft, one the first through hole 41 being communicated with the outlet of the first gas channel 21 is set on outer collar 40, on interior collar 30, be provided with second through hole 31 being communicated with the import of the second gas channel 12, the first through hole 41 and the second through hole 31 are positioned in the plane at same axial cross section place of axle core 10, that is to say, its the two relative setting, when piston 70 makes through hole 71 and the first through hole 41 and the second through hole 31 in flush position along the axially-movable of axle core 10, through hole 71 on piston 70 can be communicated with the first through hole 41 and the second through hole 31, that is to say, make the conducting of gas sense channel, extraneous origin is from the import department of the first gas channel 21 first gas channel 21 of can postponing successively, the first through hole 41, through hole 71, the second through hole 31, the second gas channel 12 arrives the exit of the second gas channel 12.When piston 70 motion, make through hole 71 and the first through hole 41 and the second through hole 31 when axially mutually the staggering of axle core 10, gas sense channel is closed, and extraneous origin can not enter the exit of the second gas channel 12.
Switching mechanism is for driving piston 70 in the axially-movable of axle core 10, so that through hole 71 moves between a closed position of axially mutually staggering with outlet (namely the first through hole 41 and the second through hole 31) concordant open position and the outlet of the one and first gas channel 21 (namely the first through hole 41 and the second through hole 31) of the first gas channel 21.The utility model provides a kind of concrete structure of switching mechanism, what it was concrete is to comprise the 3rd gas channel 22 and the spring 60 being arranged on bearing block 20, wherein, the 3rd gas channel 22 is communicated with extraneous origin in the import of the outer surface formation of bearing block 20, the inner surface that the 3rd gas channel 22 extends to bearing block 20 forms outlet, on outer collar 40, offer a third through-hole 42, this third through-hole 42 is communicated with the 3rd outlet of gas channel 22 and the lower chambers of plunger shaft 80, that is to say, when the external world originates to the interior inflation of the 3rd gas channel 22, air pressure in lower chambers 80 increases, can promote piston 70 moves upward, be that through hole 71 moves upward, control the aeration quantity of extraneous origin, can make through hole 71 move to and the first through hole 41 and the second axial concordant position of through hole 31, it is open position, gas sense channel is connected, spring 60 is arranged between the upper surface and upper cover 50 of piston 70, when piston 70 moves upward, spring 60 is compressed, after the import pressure release of the 3rd gas channel 22, the elastic stress of spring 60 is pressed at top piston 70 downwards, through hole 71 is moved down, and finally make through hole 71 in the closed position, gas sense channel is closed.Certainly, in order to save space, can on above-mentioned upper cover 50, offer uniformly a plurality of installing holes 51, the quantity of spring 60 is consistent with the quantity of installing hole 51, and spring 60 is arranged on one to one in installing hole 51 and is limited between the top ends and upper cover 50 of piston 70.
It should be noted that above-mentioned spring 60 can adopt other flexible member to substitute, as long as can realize the reset of piston 70.Plunger shaft of the present utility model can be also to be surrounded by the miscellaneous part arranging between bearing block 20 and axle core 10, can interior collar 30 be set without bearing block 20 inside more even, outer collar 40 and upper cover 50, its plunger shaft is to be directly arranged in bearing block 20, as long as can guarantee that piston 70 axially has certain activity, in this case, switching mechanism can certainly be other version, for example, switching mechanism can be mounted in and for stirring piston 70, move axially other mechanical parts on bearing block 20, as the plectrum at a connection piston 70 of bearing block 20 outer setting, when needs connect gas sense channel, stir plectrum and drive piston 70 motions, utilize through hole 71 that gas sense channel is connected, otherwise, stir plectrum and drive through hole 71, gas sense channel is closed.
The pointed embodiment in Fig. 1 of take is example, below introduce use procedure of the present utility model: when pull bar 91 completes after the action that pulls handle of a knife 92, open the external world's origin being communicated with the 3rd gas channel 22, air pressure in lower chambers 80 is increased, adjust the aeration quantity of extraneous origin, through hole 71 on piston 70 and the first through hole 41 and the second through hole 31 are axially aligned, now, gas sense channel connects, simultaneously, open the external world's origin being communicated with the first gas channel 21, in gas sense channel, inflate, when handle of a knife 92 is in place, mating surface 921 on it and the airtight laminating in lower surface 11 of axle core 10, be that mating surface 921 is by the outlet shutoff of the second gas channel 12, now the throughput in gas sense channel is zero, prove that handle of a knife 92 is in place, otherwise, while thering is certain throughput in gas sense channel, prove that mating surface 921 does not have airtight cooperation with the lower surface 11 of axle core 10, between its two, there is certain gap, also just illustrated that handle of a knife 92 is not in place, now electric main shaft can not start work, thereby avoided the risk of de-cutter in the course of work.
The import department that is positioned at the second gas channel 12 on axle core 10 has been evenly arranged a plurality of check-valves 13, the output of the plurality of check-valves 13 is towards the outlet of the second gas channel 12, that is to say, the plurality of check-valves 13 only can allow when detecting, air-flow flows to the second gas channel 12 from the first gas channel 21, do not allow air-flow to flow to bearing block 20 inside from the outlet of the second gas channel 12, thereby effectively prevent that sordid gas or impurity from entering in bearing block 20 via the lower surface 11 of axle core 10, thereby the parts of bearing block 20 and bearing block 20 inside have well been protected.
Because adopting the mode of gas flow to detect handle of a knife 92, the utility model whether closely cooperates with axle core 10 lower surfaces 11, thereby judge whether handle of a knife 92 is in place, it is simple in structure, safe and reliable, and after detection completes, gas sense channel is closed, thereby can avoid axle core 10 in high speed rotating situation, to produce vibration and noise.
In addition, at the surfaces externally and internally of interior collar 30 surfaces externally and internallies, outer collar 40, be provided with respectively the cannelure being communicated with the second through hole 31, the first through hole 41, thereby when assembling, without to hole, reduced the assembly difficulty of electric main shaft.
To one skilled in the art, can make other various corresponding changes and deformation according to technical scheme described above and design, and within these all changes and deformation all should belong to the protection domain of the utility model claim.
Claims (5)
1. the handle of a knife of high-speed electric main shaft tool-broaching mechanism, to level detecting apparatus, is characterized in that, comprise,
Bearing block, its inside is provided with axle core by bearing, and the cross-under of the internal activity of axle core has pull bar, and the bottom of pull bar connects handle of a knife, and the top of handle of a knife has a mating surface mating with axle core lower surface;
Gas sense channel, this gas sense channel comprises the first gas channel of being arranged on bearing block, is arranged at the second gas channel on axle core, the first gas channel is communicated with extraneous source of the gas in the import of the outer surface formation of bearing block, the outlet of the second gas channel is positioned at the lower surface of axle core, and the import of the outlet of the first gas channel and the second gas channel is oppositely arranged;
Piston, being arranged between bearing block and axle core of slip, is provided with a through hole on this piston; And,
Switching mechanism, for driving piston axially-movable to move between the closed position that drives through hole and mutually stagger in the outlet of an open position concordant with the outlet of the first gas channel and the one and first gas channel.
2. the handle of a knife of high-speed electric main shaft tool-broaching mechanism as claimed in claim 1 is to level detecting apparatus, it is characterized in that, switching mechanism comprises the 3rd gas channel and the flexible member being arranged on bearing block, and the 3rd gas channel is communicated with extraneous origin in the import of the outer surface formation of bearing block; Bearing block inside is provided with one for piston plunger shaft in axial sliding within it, the lower chambers conducting of the outlet of the 3rd gas channel and plunger shaft, flexible member is limited between the top ends of piston and bearing block and for providing one piston is pushed up to the elastic stress of pressure downwards.
3. the handle of a knife of high-speed electric main shaft tool-broaching mechanism as claimed in claim 2 is to level detecting apparatus, it is characterized in that, bearing block inside is provided with interior collar, outer collar and is covered in interior collar and the upper cover of outer collar top ends, plunger shaft is surrounded by interior collar, outer collar and upper cover, on cover and be uniformly distributed with a plurality of installing holes, flexible member is to be a plurality ofly arranged at one to one in installing hole and top, bottom is pressed on the spring of piston upper surface; On outer collar, be provided with the first through hole being communicated with the first gas channel, the third through-hole being communicated with the 3rd gas channel, on interior collar, be provided with the second through hole being communicated with the second gas channel.
4. the handle of a knife of high-speed electric main shaft tool-broaching mechanism as claimed in claim 3, to level detecting apparatus, is characterized in that, the surfaces externally and internally of interior collar surfaces externally and internally, outer collar is provided with the cannelure being communicated with the second through hole, the first through hole respectively.
5. the handle of a knife of high-speed electric main shaft tool-broaching mechanism as claimed in claim 1 is to level detecting apparatus, it is characterized in that, the import department that is positioned at the second gas channel on axle core has been evenly arranged a plurality of check-valves, and the output of the plurality of check-valves is towards the outlet of the second gas channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320595460.4U CN203527151U (en) | 2013-09-25 | 2013-09-25 | Cutter handle in-place detecting device of high-speed electric spindle broach mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320595460.4U CN203527151U (en) | 2013-09-25 | 2013-09-25 | Cutter handle in-place detecting device of high-speed electric spindle broach mechanism |
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|---|---|
| CN203527151U true CN203527151U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320595460.4U Expired - Lifetime CN203527151U (en) | 2013-09-25 | 2013-09-25 | Cutter handle in-place detecting device of high-speed electric spindle broach mechanism |
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| CN (1) | CN203527151U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478184A (en) * | 2017-08-18 | 2017-12-15 | 广州市昊志机电股份有限公司 | A kind of handle of a knife accuracy detecting device |
| 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 |
| CN109551279A (en) * | 2018-12-07 | 2019-04-02 | 广州市昊志机电股份有限公司 | A kind of high-precision automatic lathe mandrel fixture |
| CN110434363A (en) * | 2019-09-20 | 2019-11-12 | 咸阳圣亚机电设备有限公司 | End face positions workpiece holding structure and detection method |
| CN118372176A (en) * | 2024-06-19 | 2024-07-23 | 荣芯半导体(淮安)有限公司 | Polishing pad regulator, detecting method and chemical mechanical polishing device |
-
2013
- 2013-09-25 CN CN201320595460.4U patent/CN203527151U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478184A (en) * | 2017-08-18 | 2017-12-15 | 广州市昊志机电股份有限公司 | A kind of handle of a knife accuracy detecting device |
| 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 |
| CN109551279A (en) * | 2018-12-07 | 2019-04-02 | 广州市昊志机电股份有限公司 | A kind of high-precision automatic lathe mandrel fixture |
| CN110434363A (en) * | 2019-09-20 | 2019-11-12 | 咸阳圣亚机电设备有限公司 | End face positions workpiece holding structure and detection method |
| CN118372176A (en) * | 2024-06-19 | 2024-07-23 | 荣芯半导体(淮安)有限公司 | Polishing pad regulator, detecting method and chemical mechanical polishing device |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20140409 |
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| CX01 | Expiry of patent term |