CN205043521U - Compound carving mills directional air -cooled electric main shaft of pneumatic manual double -purpose tool changing - Google Patents

Compound carving mills directional air -cooled electric main shaft of pneumatic manual double -purpose tool changing Download PDF

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Publication number
CN205043521U
CN205043521U CN201520697303.3U CN201520697303U CN205043521U CN 205043521 U CN205043521 U CN 205043521U CN 201520697303 U CN201520697303 U CN 201520697303U CN 205043521 U CN205043521 U CN 205043521U
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tool changing
casing
electro spindle
purpose tool
manual double
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朱旭斌
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JIANGSU HUADIAO MACHINERY CO Ltd
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JIANGSU HUADIAO MACHINERY CO Ltd
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Abstract

The utility model discloses a compound carving mills directional air -cooled electric main shaft of pneumatic manual double -purpose tool changing, include: the casing, install rotation axis, rotor part and stator part in the casing to and divide the preceding end bearing and back end bearing of locating the rotation axis both ends, and handle of a knife and front seal mechanism are installed to the casing front end, and automatic broach mechanism and pressure boost cylinder are installed to the casing rear end, and automatic broach mechanism links to each other with the rotation axis, and the sword operating block is moved on the other hand in the installation of casing circumference, a rearmost end installation fan of this electricity main shaft is formed with on the casing and runs through fore -and -after zigzag wind channel hole. Just so can overcome the inconvenient problem of processing that current not good, the single tool changing mode of air -cooled electric main shaft cooling effect was brought.

Description

The directed air-cooled electro spindle of a kind of compound carving milling Pneumatic and manual double-purpose tool changing
Technical field
The utility model relates to a kind of electro spindle, is specifically related to the directed air-cooled electro spindle of a kind of compound carving milling Pneumatic and manual double-purpose tool changing; Belong to electromechanical engineering technical field.
Background technology
Electro spindle is that spindle motor is in-built, realizes the electromechanical integration functional part of power conversion and output.At present, the electro spindle scope of application is more extensive, and its tool changing mode mainly contains manual, automatic two kinds, and manual electro spindle does not have tool-broaching mechanism because of inside, so cannot be connected with tool magazine, realizes machining center automatic tool changer; Although pneumatic tool changing electrical spindle can be connected with tool magazine by tool-broaching mechanism realize automatic tool changer, but when air pressure is not enough or element of forging a knife occurs wearing and tearing, there will be the phenomenon that cannot normally forge a knife, so that unload cutter not under, to grab cutter not tight, seriously also can damage tool magazine, bring unnecessary loss to user.
In the main shaft course of work, in order to avoid the too high hot impact of main shaft temperature normally uses, need to cool main shaft in time, the conventional main shaft type of cooling has liquid cooling and air-cooled two kinds, liquid cooling will increase some external devices, although effective, inapplicable to the processing occasion of some forbidding liquid, air-cooled cooling effect depends on the cold wind effect of axial flow blower, conventional 220V alternating-current fan rotation speed is low, air quantity is little, and when user works long hours, main shaft will be hot.In addition, existing main shaft seal poor effect, can not meet more and more higher market demands.For these reasons, in the urgent need to improving the structure of electro spindle, to improve many-sided problems such as cooling, sealing, tool changing.
Utility model content
For solving the deficiencies in the prior art, the purpose of this utility model is to provide a kind of compound to carve the directed air-cooled electro spindle of milling Pneumatic and manual double-purpose tool changing.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
The directed air-cooled electro spindle of a kind of compound carving milling Pneumatic and manual double-purpose tool changing, comprise: casing, the rotating shaft be installed in casing, rotor part and stator component, and be divided into front end bearing and the rear end bearing of rotating shaft terminal, described casing front end is provided with handle of a knife and forward end seal mechanism, described casing rear end is provided with automatic tool-broaching mechanism and pressurized cylinder, described automatic tool-broaching mechanism is connected with rotating shaft, described pressurized cylinder inwall has through hole, setoff installation one position sensor in described through hole, described casing circumference installs a manual tool changing operating block; The rearmost end of this electro spindle installs a blower fan, described casing is formed with the air duct hole before and after running through.This makes it possible to the problem overcoming the processing inconvenience that bad, the single tool changing mode of existing air-cooled electro spindle cooling effect is brought.
Preferably, the two ends of aforesaid chassis are separately installed with fore bearing room and rear bearing room, and described front end bearing is installed on fore bearing indoor, and described rear end bearing is installed on rear bearing indoor, all adopts integral quenching, guarantees to have higher hardness and service life.
More preferably, aforementioned forward end seal mechanism comprises: seal cover, front end locking nut and two groups of elastic packing assemblies, seal cover is fixedly connected on casing end by described front end locking nut, described two groups of elastic packing assemblies are installed on the cylindrical of front end locking nut, often organize elastic packing assembly by three notched sealing ring compositions, make sealing ring have good elasticity, and, the breach of three sealing rings be 120 ° along the circumferential direction uniform, guarantee 360 ° of gaplesss.
Further; sealing gland is evenly equipped with 8 at seal cover inwall and front end locking nut adjacent and exports, and converges into air cavity, produces and extraneous pressure differential; because internal pressure is higher than the external world; after combining with elastic packing assembly, outside dust and cutting fluid all can not enter inside bearing, protect bearing well; also make the scope of application of this type main shaft wider; both can be used as mould and five metals carving milling, timber processing, also can be used in the adverse circumstances such as processing of stone, realize compound carving milling.
Preferably, aforesaid chassis adopts aluminium section bar one-body molded, and cross section is octagon, and there is multiple zigzag air duct hole inside, effectively can increase the area of dissipation in air channel, and fixing air quantity trend, realizes directed air-cooled, optimize cooling effect.And also there is the effect of reinforcement in zigzag air channel, therefore, the organizational structure intensity of whole housing obviously increases.
More preferably, aforementioned blower fan is 24V DC fan, and its rotating ratio AC blower fan exceeds more than more than 1000 turn, and air quantity obviously increases, and is combined with zigzag air duct hole, and make air quantity more concentrated, air cooling effect is remarkable.
Further, the inwall car of aforementioned rear bearing room has twice U-type groove, and described U-type groove, built with rubber seal, makes bearing outer ring and bearing chamber inwall flexible contact, when rotating shaft High Rotation Speed, serves good cushioning effect.
Further, there are two pistons aforementioned pressurized cylinder inside, and the piston flat surface being positioned at rear end is equipped with a supercharging and dedusting mechanism to realize internal pressurization and real-time tool changing dedusting.Consider the simplicity of processing, the piston bush of two pistons and piston rod are all separate machined, when reality uses, with circlip by aggregates for their combinations, the piston flat surface of rear end is equipped with a supercharging and dedusting mechanism, it can play the effect of internal pressurization and real-time tool changing dedusting, at ordinary times, due to the effect of spring, dedusting gas circuit is blocked, all air pressure is just concentrated on knife machining mechanism, also just pressurization is served, man-hour is added due to actual, the meeting of handle of a knife and taper hole produces very strong absorption affinity, forging a knife required pressure can be larger, pass through supercharging, action of forging a knife could be completed smoothly, when having forged a knife, piston flat surface pushing mechanism, gas circuit is through, just tool changing dedusting can be carried out in real time.
Further, the rear end of aforementioned rear bearing room is provided with a connector, symmetrical installation a pair buting iron inside described connector, described rotating shaft rear end is provided with check lock lever, described rotating shaft stop operating and tool-broaching mechanism work time, what described buting iron and check lock lever made to disperse rotating shaft mutually unloads cutter axial force, ensures that bearing is not injured, guarantees service life.
Usefulness of the present utility model is:
(1), the utility model by adopting two group elastic packing assembly, be combined with annular sealing gland, optimize sealing effectiveness, the processing under various complex environment can be applicable to;
(2), the structure of the utility model to electro spindle change, and is integrated with pneumatic automatic tool changer and manual tool changing two kinds of tool changing patterns, achieves double-purpose tool changing, normally cannot unload the problem of cutter, improve convenience and the flexibility of operation when solving automatic tool changer;
(3) what, the utility model adopted is that 24V DC fan cools, its rotating ratio AC blower fan is high more than more than 1000 turns, air quantity obviously increases, add the zigzag optimization of air duct hole, achieve directed air-cooled, air quantity is more concentrated, and air cooling effect is remarkable, solves the problem that traditional air-cooled main shaft cooling effect is not good.
Accompanying drawing explanation
Fig. 1 is the structural representation of a preferred embodiment of the directed air-cooled electro spindle of a kind of compound carving milling Pneumatic and manual double-purpose tool changing of the present utility model;
Fig. 2 is the mounting structure schematic diagram of Position Sensor embodiment illustrated in fig. 1;
Fig. 3 is the cross section structure schematic diagram of middle casing embodiment illustrated in fig. 1;
Fig. 4 is the combination schematic diagram of Elastic black box embodiment illustrated in fig. 1;
Fig. 5 is the structural representation of middle supercharging embodiment illustrated in fig. 1 and dedusting mechanism.
The implication of Reference numeral in figure: 1, casing, 2, rotating shaft, 3, stator component, 4, rotor part, 5, fore bearing, 6, fore bearing room, 7, elastic packing assembly, 71, breach, 8, seal cover, 9, front end locking nut, 10, handle of a knife, 11, rear bearing room, 12, rubber seal, 13, check lock lever, 14, buting iron, 15, tool-broaching mechanism, 16, spring, 17, blower fan, 18, sensor fixed bar, 19, position sensor, 20, connector, 21, manual tool changing operating block, 22, pressurized cylinder.
Detailed description of the invention
Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model, when these elements are in position shown in the drawings, these explanations are suitable, if when the explanation of the position of these elements changes, then the instruction in these directions also correspondingly changes.
In addition, the ordinal number used in the claims and specification is " first ", " second ", " the 3rd " etc. such as, for modify claim instead of due to itself containing any preferentially, the order of formerly or one claim before another claim or the time sequencing of manner of execution step, use with difference such as with the element of the claim of specific names and the another one element term of succession (instead of for) with same names as just label.
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the utility model.
See Fig. 1, the directed air-cooled electro spindle of a kind of compound carving milling Pneumatic and manual double-purpose tool changing of the present utility model, comprising: casing 1, the rotating shaft 2 be installed in casing 1, rotor part 4 and stator component 3, and is divided into the bearing at rotating shaft 2 two ends.In order to rigid bearing preferably, fore bearing room 6 and rear bearing room 11 is separately installed with at the two ends of casing 1, fore bearing 5 is installed in fore bearing room 6, rear bearing is installed in rear bearing room 11, fore bearing room 6 and rear bearing room 11 all adopt integral quenching, guarantee to have higher hardness and service life.Twice U-type groove is had at the inwall car of rear bearing room 11, U-type groove, built with rubber seal 12, makes bearing outer ring and bearing chamber inwall flexible contact, when rotating shaft 2 High Rotation Speed, serve good cushioning effect, thus effectively avoid bearing or rotating shaft 2 to be clashed into.
Be provided with handle of a knife 10 and forward end seal mechanism in casing 1 front end, the Cutting tool installation manner of work, in handle of a knife 10, rotates under the driving of rotating shaft 2.Forward end seal mechanism gives main shaft overall sealing property preferably, particularly, forward end seal mechanism comprises: seal cover 8, front end locking nut 9 and two groups of elastic packing assemblies 7, seal cover 8 is fixedly connected on casing 1 end by front end locking nut 9, two groups of elastic packing assemblies 7 are installed on the cylindrical of front end locking nut 9, often organize the sealing ring composition of elastic packing assembly 7 by three band breach 71, sealing ring is made to have good elasticity, and, the breach 71 of three sealing rings is along the circumferential direction uniform in 120 °, as shown in Figure 4 (in fact, after elastic packing assembly 7 has been assembled, one of them breach 71 can only be seen, Fig. 4 conveniently understands, so illustrate the position of three breach 71 simultaneously), so just can guarantee 360 ° of gaplesss, good seal performance.In addition; sealing gland is evenly equipped with 8 at seal cover 8 inwall and front end locking nut 9 adjacent and exports, and converges into air cavity, produces and extraneous pressure differential; because internal pressure is higher than the external world; after combining with elastic packing assembly 7, outside dust and cutting fluid all can not enter inside bearing, protect bearing well; also make the scope of application of this type main shaft wider; both can be used as mould and five metals carving milling, timber processing, also can be used in the adverse circumstances such as processing of stone, realize compound carving milling.
As shown in Figure 1, in casing 1 rear end, automatic tool-broaching mechanism 15 and pressurized cylinder 22 are installed.Wherein, automatic tool-broaching mechanism 15 is connected with rotating shaft 2, pulls back by handle of a knife 10 when automatic tool-broaching mechanism 15 works, and cutter is departed from handle of a knife 10, completes automatic tool changer.Add man-hour due to actual, handle of a knife 10 produces very strong absorption affinity with the meeting of taper hole, and the pressure needed for broaching tool can be larger, so need to realize supercharging by pressurized cylinder 22 could complete broaching tool action smoothly.
Further, through hole is had at pressurized cylinder 22 inwall, setoff installation one position sensor 19 in through hole, utilize position sensor 19 can respond to the position of moving mechanism 15 induction coil to by discontiguous mode, the switch of " action " signal is just sent when reaching setpoint distance, induced signal is connected with machine tool system, to guarantee that handle of a knife 10 is locked completely, guarantees security.So-called " setoff installation ", refer to as shown in Figure 2, but sensor to be installed on sensor fixed bar 18 both disalignments, like this, position sensor 19 just can convert multiple location point, during installation, sensor fixed bar 18 is rotated arbitrary low-angle, the inductive head position of position sensor 19 just changes little by little, and fine setting easily, solves the problem regulating inconvenience when position sensor 19 uses in inside well.
Need benly be; what the utility model had taken into full account that air pressure deficiency, component abrasion etc. that automatic tool changer exists cause cannot the problem of normal tool changing; the basis of pneumatic automatic tool changer adds manual function; pneumatic tool changing can manually come when cannot complete; particularly; in casing 1 circumference, one manual tool changing operating block 21 is installed, pulls manual tool changing operating block 21 to realize tool changing.
In addition; in order to protect bearing better; a connector 20 is provided with in the rear end of rear bearing room 11; symmetrical installation a pair buting iron 14 inside connector 20; rotating shaft 2 rear end be provided with check lock lever 13 state rotating shaft 2 stop operating and tool-broaching mechanism 15 works time, buting iron 14 and the effect of check lock lever 13 phase, the cutter axial force of unloading of being born by script bearing is distributed on buting iron 14; ensure that bearing is not injured, guarantee service life.
Further improve as the utility model, there are two pistons pressurized cylinder 22 inside, and the piston flat surface being positioned at rear end is equipped with a supercharging as shown in Figure 5 and dedusting mechanism to realize internal pressurization and real-time tool changing dedusting better.Consider the simplicity of processing, the piston bush of two pistons and piston rod are all separate machined, when reality uses, with circlip by aggregates for their combinations, the piston flat surface of rear end is equipped with a supercharging and dedusting mechanism, it can play the effect of internal pressurization and real-time tool changing dedusting, at ordinary times, due to the effect of spring 16, dedusting gas circuit is blocked, all air pressure is just concentrated on tool-broaching mechanism 15, also just serves pressurization; When broaching tool completes, piston flat surface promotes tool-broaching mechanism 15, and gas circuit is through, just can carry out tool changing dedusting in real time.
Another innovation of the present utility model is the superior type of cooling, as shown in Figure 1, the rearmost end of this electro spindle installs a blower fan 17, blower fan 17 is 24V DC fan 17, its rotating ratio AC blower fan exceeds more than more than 1000 turn, and air quantity obviously increases, and is combined with zigzag air duct hole, make air quantity more concentrated, air cooling effect is remarkable.Composition graphs 3, casing 1 adopts aluminium section bar one-body molded, and cross section is octagon, and there is multiple zigzag air duct hole inside, and this structural design effectively can increase the area of dissipation in air channel, and fixing air quantity trend, realizes directed air-cooled, optimize cooling effect.And also there is the effect of reinforcement in zigzag air channel, therefore, the organizational structure intensity of whole housing obviously increases.
To sum up, first the utility model by employing two groups of elastic packing assemblies 7, is combined with annular sealing gland, optimizes sealing effectiveness, can be applicable to the processing under various complex environment; The second, the structure of electro spindle is changed, is integrated with pneumatic automatic tool changer and manual tool changing two kinds of tool changing patterns, achieves double-purpose tool changing, normally cannot unload the problem of cutter when solving automatic tool changer, improve convenience and the flexibility of operation; Finally, adopt 24V DC fan 17 to cool, its rotating ratio AC blower fan is high more than more than 1000 turns, air quantity obviously increases, and adds the zigzag optimization of air duct hole, achieves directed air-cooled, air quantity is more concentrated, and air cooling effect is remarkable, solves the problem that traditional air-cooled main shaft cooling effect is not good.
More than show and describe general principle of the present utility model, principal character and advantage.The technical staff of the industry should understand, and above-described embodiment does not limit the utility model in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection domain of the present utility model.

Claims (9)

1. the directed air-cooled electro spindle of compound carving milling Pneumatic and manual double-purpose tool changing, comprise: casing, be installed on the rotating shaft in casing, rotor part and stator component, and be divided into front end bearing and the rear end bearing of rotating shaft terminal, it is characterized in that, described casing front end is provided with handle of a knife and forward end seal mechanism, described casing rear end is provided with automatic tool-broaching mechanism and pressurized cylinder, described automatic tool-broaching mechanism is connected with rotating shaft, described pressurized cylinder inwall has through hole, setoff installation one position sensor in described through hole, described casing circumference installs a manual tool changing operating block, the rearmost end of this electro spindle installs a blower fan, described casing is formed with the air duct hole before and after running through.
2. the directed air-cooled electro spindle of a kind of compound carving milling Pneumatic and manual double-purpose tool changing according to claim 1, it is characterized in that, the two ends of described casing are separately installed with fore bearing room and rear bearing room, and described front end bearing is installed on fore bearing indoor, and described rear end bearing is installed on rear bearing indoor.
3. the directed air-cooled electro spindle of a kind of compound carving milling Pneumatic and manual double-purpose tool changing according to claim 1, it is characterized in that, described forward end seal mechanism comprises: seal cover, front end locking nut and two groups of elastic packing assemblies, seal cover is fixedly connected on casing end by described front end locking nut, described two groups of elastic packing assemblies are installed on the cylindrical of front end locking nut, often organize elastic packing assembly by three notched sealing rings compositions, the breach of three sealing rings be 120 ° along the circumferential direction uniform.
4. the directed air-cooled electro spindle of a kind of compound carving milling Pneumatic and manual double-purpose tool changing according to claim 1, it is characterized in that, described casing adopts aluminium section bar one-body molded, and cross section is octagon.
5. the directed air-cooled electro spindle of a kind of compound carving milling Pneumatic and manual double-purpose tool changing according to claim 1, it is characterized in that, described air duct hole is zigzag air duct hole.
6. the directed air-cooled electro spindle of a kind of compound carving milling Pneumatic and manual double-purpose tool changing according to claim 1, it is characterized in that, described blower fan is 24V DC fan.
7. the directed air-cooled electro spindle of a kind of compound carving milling Pneumatic and manual double-purpose tool changing according to claim 2, it is characterized in that, the inwall car of described rear bearing room has twice U-type groove, and described U-type groove is built with rubber seal.
8. the directed air-cooled electro spindle of a kind of compound carving milling Pneumatic and manual double-purpose tool changing according to claim 1, it is characterized in that, there are two pistons described pressurized cylinder inside, and the piston flat surface being positioned at rear end is equipped with a supercharging and dedusting mechanism to realize internal pressurization and real-time tool changing dedusting.
9. the directed air-cooled electro spindle of a kind of compound carving milling Pneumatic and manual double-purpose tool changing according to claim 2, it is characterized in that, the rear end of described rear bearing room is provided with a connector, symmetrical installation a pair buting iron inside described connector, described rotating shaft rear end is provided with check lock lever, described rotating shaft stop operating and tool-broaching mechanism work time, what described buting iron and check lock lever made to disperse rotating shaft mutually unloads cutter axial force.
CN201520697303.3U 2015-09-09 2015-09-09 Compound carving mills directional air -cooled electric main shaft of pneumatic manual double -purpose tool changing Active CN205043521U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105108548A (en) * 2015-09-09 2015-12-02 江苏华雕机械有限公司 Pneumatic and manual double-purpose tool-changing oriented air-cooling electric spindle for composite carving and milling
CN107379136A (en) * 2017-07-31 2017-11-24 广州市昊志机电股份有限公司 It is a kind of from fanning wind cooling automatic tool changing electrical spindle
CN107716953A (en) * 2017-11-20 2018-02-23 广东工业大学 A kind of high-speed motorized spindles of embedded cooling air unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105108548A (en) * 2015-09-09 2015-12-02 江苏华雕机械有限公司 Pneumatic and manual double-purpose tool-changing oriented air-cooling electric spindle for composite carving and milling
CN107379136A (en) * 2017-07-31 2017-11-24 广州市昊志机电股份有限公司 It is a kind of from fanning wind cooling automatic tool changing electrical spindle
CN107716953A (en) * 2017-11-20 2018-02-23 广东工业大学 A kind of high-speed motorized spindles of embedded cooling air unit
CN107716953B (en) * 2017-11-20 2023-11-17 广东工业大学 Super-high-speed electric spindle with embedded cold air device

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