CN103481087B - There is constant locking force and band refrigerating function both-end processing pneumatics toolroom machine holder - Google Patents
There is constant locking force and band refrigerating function both-end processing pneumatics toolroom machine holder Download PDFInfo
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- CN103481087B CN103481087B CN201310433605.5A CN201310433605A CN103481087B CN 103481087 B CN103481087 B CN 103481087B CN 201310433605 A CN201310433605 A CN 201310433605A CN 103481087 B CN103481087 B CN 103481087B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
- B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only
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Abstract
nullThe invention belongs to holder technical field，Refer in particular to one and there is constant locking force and band refrigerating function both-end processing pneumatics toolroom machine holder，Support endoporus is radially disposed with axle bed、Gyroaxis、Push away body，Bearing unit it is provided with between axle bed and gyroaxis，Push away physical ability to move axially relative to gyroaxis，Driving pulley drives gyroaxis、Push away body and make radially synchronous rotary with it，Cavity will be separated to form left cavity and right cavity by the round plate pushing away body in the round plate of gyroaxis and the cavity of driving pulley formation，Round plate at gyroaxis is provided with clamping check valve and release check valve，It is provided with left clamping device or/and the right-hand member of gyroaxis is provided with right clamping device at the left end pushing away body，At support、Axle bed、Clamping and release release pressure input circuit is formed on gyroaxis，Pressure is respectively by two loops、The left cavity of check valve UNICOM respectively or the driving of right cavity push away body and move the left clamping device of drive or/and right clamping device or left clamping device realize clamping or unclamp workpiece action.
Description
Technical field:
The invention belongs to holder technical field, refer in particular to one and there is constant locking force and band refrigerating function both-end processing pneumatics toolroom machine holder.
Background technology:
Existing a lot of two ends lathe for machining is that two main shafts are placed both sides, during due to processing and loading clamp, main shaft is on both sides, its span is bigger, so clamping is very time-consuming arduously, its main shaft drives is respectively necessary for two mair motor and drives, the effect of power saving can not be reached, although comparing with conventional single-ended lathe and can accomplish effective improvement in floor space, but a people can only managing 2, be equivalent to conventional single-ended lathe in 4.But in operation and management, there is also the biggest defect, it is impossible to reach the effect of customer satisfaction.
At present, its main operational principle of both-end holder is generation gap between axle bed and rotating shaft both at home and abroad, thus do relatively high speed operating, stream will be produced when oiling in gap and in gap, form oil film, although its structure has offered backflash between axle bed and rotating shaft more, but when rotating shaft runs up relatively relative to axle bed, there is the oil film in gap can generate heat, there is also owing to the impacts such as material expansion produce main shaft locking, the pressure source that oil film also can make hydraulic pump bestow causes resistance to rush down and runs off, workpiece clamp holding force is unstable, gas-liquid passes through main shaft bearing simultaneously, also bearing can be produced the highest temperature rise, the life-span that so certainly will make matched bearings has a great impact.Lathe cannot the most normally be worked.
Summary of the invention:
It is an object of the invention to provide that a kind of clamping workpiece is simple and convenient, improve machining accuracy and work efficiency there is constant locking force and band refrigerating function both-end processing pneumatics toolroom machine holder.
The present invention is achieved in that
nullThere is constant locking force and band refrigerating function both-end processing pneumatics toolroom machine holder，Include support，Support internal orifice dimension inwardly the most sequentially coaxially line is provided with axle bed、Gyroaxis、Push away body，Bearing unit it is provided with between axle bed and gyroaxis，Bearing unit makes gyroaxis rotate relative to axle bed，Axle bed is connected with support，Push away physical ability to move axially relative to gyroaxis，In support endoporus、It is provided with driving pulley on the cylindrical of the round plate of gyroaxis，Driving pulley drives gyroaxis、Push away body and make radially synchronous rotary with it，The left side cylindrical pushing away body matches with driving pulley endoporus，Push away and cavity is separated to form in the cavity that the round plate of body is arranged on the round plate of gyroaxis and driving pulley is formed left cavity and right cavity，Round plate circumference at gyroaxis is evenly equipped with the clamping check valve being radially arranged and release check valve，The left end pushing away body is provided with left clamping device、The right-hand member of gyroaxis is provided with right clamping device，Realize linkage by extension bar to clamp and release；Or the right-hand member of gyroaxis is provided with right clamping device；Or the left end pushing away body is provided with left clamping device, and limit collet chuck initial position by monotubular pull bar.Being provided with clamping on support, axle bed, gyroaxis and release pressure input channel forms clamping and release pressure input circuit, pressure is driven by clamping check valve or the release left cavity of check valve UNICOM respectively or right cavity by clamping and release pressure input circuit again and pushes away body and move axially and drive left and right clamping device to link or left and right clamping single acting device realizes clamping workpiece or unclamps the action of workpiece.
Above-mentioned gyroaxis with push away body and be connected by pushing away body stop pin, the one end pushing away body stop pin is fixed on the round plate pushing away body, the other end be arranged on gyroaxis round plate push away in body anti-rotation cotter way, push away body to move axially, push away the other end of body stop pin gyroaxis round plate push away body anti-rotation cotter way in move axially.
nullThe above-mentioned left end pushing away body is provided with left clamping device、The right-hand member of gyroaxis is provided with the concrete structure of right clamping device: the minimum endoporus pushing away body is provided with extension bar，The cylindrical of the right-hand member of extension bar and gyroaxis inner hole，The left end pushing away internal hole is provided with left-hand cylinder body，The external circle of left-hand cylinder and end face match with the endoporus pushing away body and left end face respectively，And be connected by screw，It is provided with, at gyroaxis right-hand member end face and minimum endoporus, the right cylinder matched，Connect by screw is fixing，And on a left side、Right cylinder is placed a left side respectively that cooperate with the cylinder conical surface、Right collet chuck，Two collet chucks are made to be connected by extension bar again，Reach linkage and clamp and release function，A described left side、Right collet chuck is with left、Respectively by the anti-torsion of anti-turn screw between right cylinder，It is made operationally to link，When pressure enters right cavity，Promotion is fixed on the left-hand cylinder body pushed away on body and moves to left，Drive right collet chuck to move to left by extension bar simultaneously，Right cylinder is fixed on gyroaxis not produce and moves axially，Finally make left-hand cylinder folder and right collet chuck mobile in radially generation，Realize clamping function；
nullOr: the described left end pushing away body is provided with the concrete structure of left clamping device and is: the left end pushing away internal hole is provided with left-hand cylinder body，The external circle of left-hand cylinder and end face match with the endoporus pushing away body and left end face respectively，And be connected by screw，And in left-hand cylinder body, place the left-hand cylinder folder cooperated with left-hand cylinder body cone，Place extension bar at the endoporus place of matching of gyroaxis simultaneously，The right side of extension bar is fixed by screw with the right side of gyroaxis，The left end of extension bar is connected with left-hand cylinder folder，Realize single-ended clamping and releasing function，By the anti-torsion of anti-turn screw between described left-hand cylinder folder and left-hand cylinder body，It is made operationally to link，When pressure enters right cavity，Promotion is fixed on the left-hand cylinder body pushed away on body and moves to left，Make left-hand cylinder be clipped in radially to produce mobile by being fixed on gyroaxis the extension bar pressing from both sides axial displacement for limiting left-hand cylinder simultaneously，Realize clamping function，Otherwise，When pushing away body and moving to right，Left-hand cylinder folder is made to produce release function；
Or: the described right-hand member pushing away body is provided with the concrete structure of right clamping device and is: the right-hand member at the endoporus of gyroaxis is provided with right cylinder, the end face of right cylinder is fixed by screw with the right side of gyroaxis, and the right collet chuck cooperated with the right cylinder conical surface is set in right cylinder, the right-hand member of right collet chuck is connected with the right-hand member pushing away body, realize single-ended clamping and releasing function, by the anti-torsion of anti-turn screw between described right collet chuck and right cylinder so that it is operationally link；When pressure enters right cavity, the right cylinder being fixed on gyroaxis is limited axial displacement, pushes away body and move to left, and drives right collet chuck to move to left, and makes right collet chuck produce radial displacement under the effect by the conical surface between cylinder and right collet chuck, it is achieved clamping function.
Clamping and the release pressure input channel of above-mentioned gyroaxis are arranged on round plate, the axle bed of clamping and the clamping of release pressure input channel and release air inlet side is provided with clamping inlet seal circle containing cavity and release inlet seal circle containing cavity, clamping inlet seal circle it is provided with in clamping inlet seal circle containing cavity, release inlet seal circle it is provided with in release inlet seal circle containing cavity, when injection pressure, owing to the aperture of input pressure above is big, and the bore that clamps and releases inlet seal circle delivery outlet is little, great pressure can be produced in the containing cavity of clamping and release inlet seal circle, force clamping and release inlet seal circle to move in its containing cavity and be close to clamping and release air inlet by its elastic deformation characteristic, realize pressure input to seal.
It is provided with the air inlet collar between minimum cylindrical and gyroaxis round plate cylindrical and end face and the endoporus of support of above-mentioned axle bed, and fixed by screw and on the air inlet collar, to be respectively arranged with clamping and release pressure input channel, this clamping and release pressure input channel and support, axle bed, clamping on gyroaxis and release pressure input channel UNICOM form clamping and release pressure input circuit, at the minimum cylindrical of axle bed and end face (can offer containing cavity at diverse location in end) (allows bracket occur in the middle part of description, this explanation can be in the description) place offer for place clamping and release inlet seal circle containing cavity；Or offer side by side for placing clamping and the containing cavity of release inlet seal circle at the minimum cylindrical of axle bed；And in containing cavity, place respective inlet seal circle；Clamp under the driving of pressure and discharge inlet seal circle and move away in clamping and release inlet seal circle containing cavity respectively or be close to clamp air inlet and release air inlet.
The minimum cylindrical of above-mentioned axle bed is set with the air inlet collar with gyroaxis round plate cylindrical and end face, and fixed by screw, collar cover for seat is contained in outside the air inlet collar and axle bed, set ring seat is fixed on support by screw with support maximum endoporus and end face by cylindrical and end face, clamping and release pressure input channel it is respectively arranged with on the air inlet collar, this clamping and release pressure input channel and support, axle bed, clamping on gyroaxis and release pressure input channel UNICOM form clamping and release pressure input circuit, offer at the minimum cylindrical of axle bed and at the endoporus of set ring seat for placing clamping and the containing cavity of release inlet seal circle；Or offer for placing clamping and discharging the containing cavity of inlet seal circle at the endoporus of end face diverse location between the minimum cylindrical and maximum cylindrical of axle bed and set ring seat；Or offer side by side for placing clamping and the containing cavity of release inlet seal circle at the endoporus of set ring seat；And in containing cavity, place respective inlet seal circle；Clamp under the driving of pressure and discharge inlet seal circle and move away in clamping and release inlet seal circle containing cavity respectively or be close to clamp air inlet and release air inlet.
It is provided with on above-mentioned support and clamping pressure input circuit and the inlet suction port of release pressure input circuit UNICOM, when pressure is input in gyroaxis clamping and the release check valve of setting by input circuit, the valve ball promoting clamping and release check valve departs from valve ball sealing ring makes pressure be circulated in the left and right cavity pushing away body, when pressure is saturated, after stopping pressure supply, sealing ring, by under its action of reset spring, is close to by its clamping and release one-way valve club；Meanwhile clamp and discharge inlet seal circle and depart from clamping and release air inlet its elastic deformation characteristic, reset to free state；Being now holder free to rotate, during owing to rotating, the effect of centrifugal characteristic makes the valve ball of check valve preferably be close in its sealing ring so that it is reach perfectly to seal.
Above-mentioned bearing unit includes two left bearings being disposed between gyroaxis and axle bed, right bearings, left bearing adjacent gyroaxis round plate is arranged, axle bed is provided with bearing removal screw at the corresponding outer ring with left bearing, it is provided with bearing inner spacer between the inner ring of two bearings, being provided with bearing outer ring spacer between the outer ring of two bearings, the outer ring axial restraint of bearing is connected by screw and axle bed by bearing outer press cover and is axially producing play together with bearing outer ring spacer preventing Y-axis to hold；Bearing inner race is screwed onto on gyroaxis by bearing internal gland and screws precompressed, is used for limiting bearing inner race and produces axial displacement in the axial direction；At the step cylindrical of bearing outer ring spacer, offer uniform hole simultaneously, axle bed is offered loop.
The input adapter of the pressure channel input air pressure arranged it is provided with on support on above-mentioned support, axle bed, bearing outer ring spacer, on the pressure channel of axle bed, circumference is evenly equipped with two circumferentially disposed blind holes, the opening of blind hole is provided with closure screw, and pressure channel is by gyroaxis round plate and extraneous UNICOM；When holder rotates, running up of gyroaxis is offered the heat that loop produces bearing and is taken out of by offering at the step cylindrical of bearing outer ring spacer on uniform hole and axle bed；When using pneumatics to drive cooling, take, by the input adapter on support and cooling circuit passage, the heat that bearing produces out of.
The advantage that the present invention highlights compared to existing technology is:
1, the present invention drives clamping or release workpiece by pressure apparatus, and clamping workpiece is simple and convenient, improves machining accuracy；
2, the present invention is provided with cooling and reduces centrifugation systems; cool down to bearing in time; and the quality effectively changing workpiece is balanced processing simultaneously; bearing is made to bear optimum pressure; running accuracy and the service life of bearing be can effectively protect, thus the service life of holder and the stability of precision extended；
3, the present invention solves the higher part of concentricity requirement and different workpieces adds the function of quick-clamping in man-hour, one people can manage 4 simultaneously, be equivalent to conventional single-ended lathe 8, greatly reduce the headcount needed for operation, motor only one of which simultaneously, thus reached be placed on the two ends lathe for machining on both sides with main shaft compared with to save manpower, power saving, province's floor space effect；
4, the present invention has been provided simultaneously with two ends and has processed different Model For The Bush-axle Type Parts processing respectively, possesses and simultaneously clamps on and release function；
5, the present invention is applicable to the processing occasion of various axial workpiece or Model For The Bush-axle Type Parts etc..
Accompanying drawing illustrates:
Fig. 1 is the sectional view of embodiment 1 clamped condition；
Fig. 2 is the sectional view of embodiment 1 release conditions；
Fig. 3 is the sectional view that each pressure of embodiment 1 stops for seasonable state；
Fig. 4 is that embodiment 1 cools down and reduces the sectional view of apocarpy；
Fig. 5 is the schematic diagram of the check valve of embodiment 1；
Fig. 6 is one of sectional view of embodiment 1；
Fig. 7 is the two of the sectional view of embodiment 1；
Fig. 8 is that embodiment 2 monotubular presss from both sides foward-push sectional view；
Fig. 9 is that embodiment 3 monotubular presss from both sides rear pull type sectional view；
Figure 10 is one of clamped condition sectional view of embodiment 4；
Figure 11 is the two of the clamped condition sectional view of embodiment 4；
Figure 12 is the three of the clamped condition sectional view of embodiment 4；
Figure 13 is the clamped condition sectional view of embodiment 4；
Figure 14 is the clamped condition sectional view of embodiment 5.
Detailed description of the invention:
With specific embodiment, the invention will be further described below,
Embodiment 1: see Fig. 17:
nullThere is constant locking force and band refrigerating function both-end processing pneumatics toolroom machine holder，Include support 1，Support 1 internal orifice dimension inwardly the most sequentially coaxially line is provided with axle bed 3、Gyroaxis 4、Push away body 5，It is provided with bearing unit between axle bed 3 and gyroaxis 4，Bearing unit makes gyroaxis 4 rotate relative to axle bed 3，Axle bed 3 is connected with support 1，Gyroaxis 4 is connected with pushing away body 5，Push away body 5 to move axially relative to gyroaxis 4，In support 1 endoporus、Driving pulley 2 it is provided with on the cylindrical of the round plate of gyroaxis 4，Driving pulley 2 drives gyroaxis 4、Push away body 5 and make radially synchronous rotary with it，The left side cylindrical pushing away body 5 matches with driving pulley 2 endoporus，Push away and cavity is separated to form in the cavity that the round plate of body 5 is arranged on the round plate of gyroaxis 4 and driving pulley 2 is formed left cavity 6 and right cavity 7，Round plate circumference at gyroaxis 4 is evenly equipped with the clamping check valve 8 being radially arranged and release check valve 9，The left end pushing away body 5 is provided with left clamping device、The right-hand member of gyroaxis 4 is provided with right clamping device，Realize linkage by extension bar 19 to clamp and release，At support 1、Axle bed 3、It is provided with clamping pressure input channel on gyroaxis 4 and release pressure input channel forms clamping pressure input circuit 10 and release pressure input circuit 11，Pressure pushes away body 5 by clamping check valve 8 or left cavity 6 or right cavity 7 driving of release check valve 8 UNICOM respectively again by clamping pressure input circuit 10 and release pressure input circuit 11 and moves axially the left clamping device of drive、The linkage of right clamping device realizes clamping workpiece 12 or the action of release workpiece 12.
Above-mentioned gyroaxis 4 with push away body 5 and be connected by pushing away body stop pin 13, the one end pushing away body stop pin 13 is fixed on the round plate pushing away body 5, the other end be arranged on gyroaxis 4 round plate push away in body anti-rotation cotter way, push away body 5 to move axially, push away the other end of body stop pin 13 gyroaxis 4 round plate push away body anti-rotation cotter way in move axially.
nullThe above-mentioned left end pushing away body 5 is provided with left clamping device、The right-hand member of gyroaxis 4 is provided with the concrete structure of right clamping device: be provided with extension bar 19 pushing away the minimum endoporus of body 5，The cylindrical of the right-hand member of extension bar 19 and gyroaxis 4 inner hole，The left end pushing away body 5 endoporus is provided with left-hand cylinder body 14，Left-hand cylinder body 14 cylindrical and end face match respectively at the endoporus and left end face pushing away 5 bodies，And be connected by screw 15，Gyroaxis 4 right-hand member end face and minimum endoporus go out to be provided with the right cylinder 16 matched，Connect by screw 15 is fixing，And on a left side、Right cylinder 14、The left side cooperated with the cylinder conical surface is placed respectively in 16、Right collet chuck 17、18，Two collet chucks 17 are made again by extension bar 19、18 are connected，Reach linkage and clamp and release function，A described left side、Right collet chuck 17、18 with left、Right cylinder 14、Respectively by the anti-torsion of anti-turn screw 20 between 16，It is made operationally to link，When pressure enters right cavity 7，Promotion is fixed on the left-hand cylinder body 14 pushed away on body 5 and moves to left，Drive right collet chuck 18 to move to left by extension bar 19 simultaneously，Right cylinder 16 is fixed on gyroaxis 4 not produce and moves axially，Finally make left-hand cylinder folder 17 and right collet chuck 18 mobile in radially generation，Realize clamping function，Otherwise，When pushing away body 5 and moving to right，Make left-hand cylinder folder 14 generation release function.
nullThe minimum cylindrical of above-mentioned axle bed 3、The air inlet collar 21 it is set with between the endoporus of gyroaxis round plate 401 cylindrical and end face and support 1，And fixed by screw，Clamping pressure input channel and release pressure input channel it is respectively arranged with on the air inlet collar 21，This clamping pressure input channel and release pressure input channel and support 1、Axle bed 3、Clamping pressure input channel on gyroaxis 4 and release pressure input channel UNICOM form clamping pressure input circuit 10 and release pressure input circuit 11，At the minimum cylindrical of axle bed 3 and end is provided for preventing clamping and the containing cavity of release inlet seal circle，This end face is the end face formed between the minimum cylindrical of axle bed 3 and the cylindrical of axle bed 3，Containing cavity can be offered at the diverse location of end，Or offer side by side for placing clamping and the containing cavity (as shown in Figure 6) of release inlet seal circle at the minimum cylindrical of axle bed 3；And it is respectively provided with placement clamping inlet seal circle 22 and release inlet seal circle 23 at containing cavity；Clamp under the driving of pressure and discharge inlet seal circle 22,23 and move away in clamping and release inlet seal circle containing cavity respectively or be close to clamp air inlet and release air inlet.
It is provided with on above-mentioned support 1 and clamping pressure input circuit 10 and the inlet suction port 24,49 of release pressure input circuit 11 UNICOM.When pressure is input in gyroaxis 4 clamping and the release check valve 9,8 that arrange by input circuit, the valve ball 46,40 promoting clamping and release check valve 9,8 departs from valve ball sealing ring 48,42 makes pressure be circulated in the left and right cavity 6,7 pushing away body, when pressure is saturated, after stopping pressure supply, under its clamping and release Ball of Non-return 46,40 can be acted on by its back-moving spring 47,41, it is close to sealing ring 48,42；Meanwhile clamp and discharge inlet seal circle 22,23 and depart from clamping and release air inlet its elastic deformation characteristic, reset to free state；Being now holder free to rotate, during owing to rotating, the effect of centrifugal characteristic makes the valve ball 46,40 of check valve preferably be close in its sealing ring 48,42 so that it is reach perfectly to seal.
nullAbove-mentioned bearing unit includes two left bearings 25 being disposed between gyroaxis 4 and axle bed 3、Right bearing 26，Right bearing tight 26 suffers gyroaxis 4 round plate and arranges，Axle bed 3 is provided with bearing removal screw 27 at the corresponding outer ring with right bearing 26，Two bearings 25、Bearing inner spacer 28 it is provided with between the inner ring of 26，Two bearings 25、Bearing outer ring spacer 29 it is provided with between the outer ring of 26，The inner ring of left bearing 25 is screwed onto on gyroaxis 4 by bearing internal gland 30 and screws precompressed，Axial displacement is produced for limiting bearing inner race，Bearing internal gland 30 is connected with support 1 and axle bed 3 by screw，The outer ring of left bearing 25 and axle bed 3 end face are fixed by bearing outer press cover 31，Bearing outer press cover 31 is connected with axle bed 3 by screw，Bearing outer press cover 31 is used for limiting bearing outer ring and produces axial displacement.
Above-mentioned support 1, axle bed 3, bearing outer ring spacer 29, it is provided with on gyroaxis 4 to bearing cooling and reduces centrifugal pressure channel 32, support 1 is provided with to the cooling pressure input adapter 33 of this pressure channel 32 input air pressure, on the pressure channel of axle bed 3, circumference is evenly equipped with two circumferentially disposed blind holes 34, the opening of blind hole 34 is provided with closure screw 35, this pressure channel 32 is by gyroaxis 4 round plate and extraneous UNICOM, when holder rotates, running up of gyroaxis 4 offers loop bearing 26 on uniform hole and axle bed 3 by offering at the step cylindrical of bearing outer ring spacer 29, 31 heats produced are taken out of；When using pneumatics to drive cooling, take, by the input adapter on support 1 and cooling circuit passage 32, the heat that bearing 26,31 produces out of.
To bearing 26,31 cooling and on gyroaxis 4 balance offer hole and reduce its centrifugal force, make rotation more steadily significantly improve service life with holder.
It is arranged at intervals with several air inlet separation sealing rings 35 between above-mentioned axle bed 3 and support 1, pushes away between body 5 and gyroaxis 4, between extension bar 16 and gyroaxis 4, be provided with sealing ring.
It is provided with cover 36 between outer face and the outer face of support 1 of above-mentioned driving pulley 2, plays dust-proof, water-proof function.
The structure of the release check valve 8 of the present embodiment is: include valve body 37, valve body 37 one end is provided with capping 38, the other end is provided with spring baffle ring 39, valve ball 40 it is provided with in valve body 37, back-moving spring 41 it is provided with between valve ball 40 and spring baffle ring 39, pressurize sealing ring 42 it is provided with in valve body 37, valve ball 40 contacts connection with pressurize sealing ring 42, the side of valve ball 40 is provided with engine 43, engine 43 is axially movable under the driving of ambient pressure, and valve ball 40 can leave pressurize sealing ring 42 under 43 drivings of engine or under the driving of ambient pressure.The structure of clamping check valve 9 is: include valve body 43, valve body 43 one end is provided with capping 44, the other end is provided with spring baffle ring 45, valve ball 46 it is provided with in valve body 43, back-moving spring 47 it is provided with between valve ball 46 and spring baffle ring 45, pressurize sealing ring 48 it is provided with in valve body 43, valve ball 46 contacts connection with pressurize sealing ring 48, the side of valve ball 46 is provided with engine 49, engine 49 is axially movable under the driving of ambient pressure, and valve ball 46 can leave pressurize sealing ring 48 under 49 drivings of engine or under the driving of ambient pressure.
The operation principle of the present invention is:
Clamping operation principle:
nullPressure arrives clamping inlet seal circle 22 by clamping pressure input circuit 10，Order about clamping inlet seal circle 22 to deform and be close to air inlet ring set 21，It is allowed to produce admission pressure be not lost，Again by being input to clamp and release check valve 9 with the fixing gyroaxis 4 of air inlet ring set 21、8，Move down at clamping this side's pressure-driven ball valve 46 of check valve 9，So that pressure is input to right cavity 7 from the loop of check valve 8，Drive check valve engine 43 release this side of check valve 8 simultaneously，The unidirectional valve ball of release 40 is made to move down，So that the pressure in right cavity 7 is by pressure release in release check valve 8 loop，Thus driving pushes away body 5 and is moved to the left，While driving left-hand cylinder body 14 to be moved to the left，Left-hand cylinder folder 17 generation bundle folder workpiece，Drive right collet chuck 16 to move to left under the effect of extension bar 19 simultaneously，Order about right collet chuck 18 and also workpiece 12 is produced bundle folder，After workpiece 12 clamps，Inlet suction port 24 pressure disconnects automatically，Now clamp and release check valve 9、8 by reset compression spring 47、41 order about ball valve 46、40 and engine 49、43 reset，Pressure is made to block in left cavity 6.
The operation principle of release is identical with the operation principle of clamping, and simply inlet port is different with loop, by the inlet suction port 50 with release pressure input circuit 11 UNICOM by pressure input to release pressure input circuit 11.
Cooling circuit system:
When bearing 25,26 will certainly produce heat in high speed rotating, bearing 25,26 service life reduction can be made without this cooling system, thus reduce the service life of holder, (its heat discharges mode as shown in Figure 4) is when needs gas enters cooling, the pressure of regulation admission pressure mouth is 0.1 0.2MPa, when pressure is the biggest, likely bearing grease is had an impact, when the pressure of 0.1 0.2MPa, the heat that bearing 25,26 produces can be defined as out due to high speed rotating so that it is reach real cooling effect by loop 32.
Reduction centrifugation systems:
The quality effectively changing workpiece is balanced processing simultaneously, makes bearing 25,26 bear optimum pressure, can effectively protect running accuracy and the service life of bearing 25,26, thus extend the service life of holder and the stability of precision.
Embodiment 2: see Fig. 8:
The basic structure of the present embodiment is same as in Example 1, and its difference is: the present embodiment is monotubular folder foward-push:
nullThe described left end pushing away body 5 is provided with the concrete structure of left clamping device: the left end pushing away body 5 endoporus is provided with left-hand cylinder body 14，Left-hand cylinder body 14 cylindrical and end face match with the endoporus pushing away body 5 and left end face respectively，And be connected by screw 15，And in left-hand cylinder body 14, place the left-hand cylinder folder 17 cooperated with left-hand cylinder body 14 conical surface，Place extension bar 51 at the endoporus place of matching of gyroaxis 4 simultaneously，The right side of the right side of extension bar 51 and gyroaxis 4 is fixed by screw，The left end of extension bar 51 is connected with left-hand cylinder folder 17，Realize single-ended clamping and releasing function，By the anti-torsion of anti-turn screw 13 between described left-hand cylinder folder 17 and left-hand cylinder body 14，It is made operationally to link，When pressure enters right cavity 6，Promotion is fixed on the left-hand cylinder body 14 pushed away on body 5 and moves to left，Make left-hand cylinder folder 17 move radially producing for the extension bar 51 limiting left-hand cylinder folder 17 axial displacements by being fixed on gyroaxis 4 simultaneously，Realize clamping function，Otherwise，When pushing away body 5 and moving to right，Make left-hand cylinder folder 17 generation release function.
Embodiment 3: see Fig. 9:
The basic structure of the present embodiment 1 is same as in Example 1, and its difference is: the present embodiment is monotubular rear pull type:
The described right-hand member pushing away body 5 is provided with the concrete structure of right clamping device: the right-hand member at the endoporus of gyroaxis 4 is provided with right cylinder 16, the end face of right cylinder 16 is fixed by screw with the right side of gyroaxis 4, and the right collet chuck 18 cooperated with right cylinder 16 conical surface is set in right cylinder 16, the right-hand member of right collet chuck 18 is connected with the right-hand member pushing away body 5, realize single-ended clamping and releasing function, by the anti-torsion of anti-turn screw 13 between described right collet chuck 18 and right cylinder 16 so that it is operationally link；When pressure enters right cavity 7, the right cylinder 16 being fixed on gyroaxis 4 is limited axial displacement, push away body 5 to move to left, right collet chuck 18 is driven to move to left, and under the effect of the conical surface between right cylinder 16 and right collet chuck 18, make right collet chuck 18 produce radial displacement, it is achieved clamping function, otherwise, when pushing away body 5 and moving to right, make left-hand cylinder folder 18 generation release function.
Embodiment 4: see Figure 10 13:
The basic structure of the present embodiment 1 is same as in Example 1, and its difference is: clamping pressure input circuit and the release pressure input circuit of the present embodiment are had any different:
The minimum cylindrical of described axle bed 3, gyroaxis round plate cylindrical and end face also fix the air inlet collar 21 by screw, set ring seat 52 is sleeved on outside the air inlet collar 21 and axle bed 3, set ring seat 52 is fixed by screws on support 1 by cylindrical and end face endoporus maximum with support 1 and end face, clamping pressure input channel and release pressure input channel it is provided with on the air inlet collar 21, this clamping pressure input channel and release pressure input channel and support 1, axle bed 3, clamping pressure input channel on gyroaxis 4 and release pressure input channel UNICOM form clamping pressure input circuit and release pressure input circuit.
Offer at the minimum cylindrical of axle bed 3 and at the endoporus of set ring seat 52 for placing clamping and the containing cavity of release inlet seal circle；Or offer for placing clamping and discharging the containing cavity of inlet seal circle at the endoporus of end face diverse location between the minimum cylindrical and maximum cylindrical of axle bed 3 and set ring seat 52；Or offer side by side for placing clamping and the containing cavity of release inlet seal circle at the endoporus of set ring seat 52；And in containing cavity, place clamping inlet seal circle 22 and release inlet seal circle 23；Clamp under the driving of pressure and discharge inlet seal circle 22,23 and move away in clamping and release inlet seal circle containing cavity respectively or be close to clamp air inlet and release air inlet.
It is provided with sealing ring 53 between cylindrical and the endoporus of axle bed 3 of set ring seat 52.
Embodiment 5: see Figure 14:
The basic structure of the present embodiment is same as in Example 1, and its difference is: clamping pressure input circuit and the release pressure input circuit of the present embodiment are had any different:
Clamping and the release pressure input channel of described gyroaxis 4 are arranged on round plate 401, the axle bed 3 of clamping and the clamping of release pressure input channel and release air inlet side is provided with clamping inlet seal circle containing cavity and release inlet seal circle containing cavity, clamping inlet seal circle 22 it is provided with in clamping inlet seal circle containing cavity, release inlet seal circle 23 it is provided with in release inlet seal circle containing cavity, when injection pressure, owing to the aperture of input pressure above is big, and clamp and release inlet seal circle 22, the bore of 23 delivery outlets is little, great pressure can be produced in the containing cavity of clamping and release inlet seal circle, force clamping and release inlet seal circle 22, 23 move in its containing cavity and are close to clamping and release air inlet by its elastic deformation characteristic, realize pressure input to seal.
Above-described embodiment is only one of presently preferred embodiments of the present invention, not limits the practical range of the present invention with this, therefore: the equivalence change that all shapes under this invention, structure, principle are done, within protection scope of the present invention all should being covered by.
Claims (9)
- null1. there is constant locking force and band refrigerating function both-end processing pneumatics toolroom machine holder，It is characterized in that: include support，Support internal orifice dimension inwardly the most sequentially coaxially line is provided with axle bed、Gyroaxis、Push away body，Bearing unit it is provided with between axle bed and gyroaxis，Bearing unit makes gyroaxis rotate relative to axle bed，Axle bed is connected with support，Push away physical ability to move axially relative to gyroaxis，In support endoporus、It is provided with driving pulley on the cylindrical of the round plate of gyroaxis，Driving pulley drives gyroaxis、Push away body and make radially synchronous rotary with it，The left side cylindrical pushing away body matches with driving pulley endoporus，Push away and cavity is separated to form in the cavity that the round plate of body is arranged on the round plate of gyroaxis and driving pulley is formed left cavity and right cavity，Round plate circumference at gyroaxis is evenly equipped with the clamping check valve being radially arranged and release check valve，The left end pushing away body is provided with left clamping device、The right-hand member of gyroaxis is provided with right clamping device，Realize linkage by extension bar to clamp and release；Or the right-hand member of gyroaxis is provided with right clamping device；Or the left end pushing away body is provided with left clamping device, support, axle bed, gyroaxis are provided with clamping and release pressure input channel formed clamping and release pressure input circuit, pressure by clamping and release pressure input circuit again by clamping check valve or release the left cavity of check valve UNICOM respectively right cavity drive push away body move axially drive left and right clamping device link or left and right clamping single acting device realize clamping workpiece or release workpiece action.
- The most according to claim 1 have constant locking force and band refrigerating function both-end processing pneumatics toolroom machine holder, it is characterized in that: described gyroaxis with push away body and be connected by pushing away body stop pin, the one end pushing away body stop pin is fixed on the round plate pushing away body, the other end be arranged on gyroaxis round plate push away in body anti-rotation cotter way, push away body to move axially, push away the other end of body stop pin gyroaxis round plate push away body anti-rotation cotter way in move axially.
- nullThe most according to claim 1 have constant locking force and band refrigerating function both-end processing pneumatics toolroom machine holder，It is characterized in that: the described left end pushing away body is provided with left clamping device、The right-hand member of gyroaxis is provided with the concrete structure of right clamping device: the minimum endoporus pushing away body is provided with extension bar，The cylindrical of the right-hand member of extension bar and gyroaxis inner hole，The left end pushing away internal hole is provided with left-hand cylinder body，The external circle of left-hand cylinder and end face match with the endoporus pushing away body and left end face respectively，And be connected by screw，It is provided with, at gyroaxis right-hand member end face and minimum endoporus, the right cylinder matched，Connect by screw is fixing，And on a left side、Right cylinder is placed a left side respectively that cooperate with the cylinder conical surface、Right collet chuck，Two collet chucks are made to be connected by extension bar again，Reach linkage and clamp and release function，A described left side、Right collet chuck is with left、Respectively by the anti-torsion of anti-turn screw between right cylinder，It is made operationally to link，When pressure enters right cavity，Promotion is fixed on the left-hand cylinder body pushed away on body and moves to left，Drive right collet chuck to move to left by extension bar simultaneously，Right cylinder is fixed on gyroaxis not produce and moves axially，Finally make left-hand cylinder folder and right collet chuck mobile in radially generation，Realize clamping function，Otherwise，When pushing away body and moving to right，Left-hand cylinder folder is made to produce release function；nullOr: the described left end pushing away body is provided with the concrete structure of left clamping device and is: the left end pushing away internal hole is provided with left-hand cylinder body，The external circle of left-hand cylinder and end face match with the endoporus pushing away body and left end face respectively，And be connected by screw，And in left-hand cylinder body, place the left-hand cylinder folder cooperated with left-hand cylinder body cone，Place extension bar at the endoporus place of matching of gyroaxis simultaneously，The right side of extension bar is fixed by screw with the right side of gyroaxis，The left end of extension bar is connected with left-hand cylinder folder，Realize single-ended clamping and releasing function，By the anti-torsion of anti-turn screw between described left-hand cylinder folder and left-hand cylinder body，It is made operationally to link，When pressure enters right cavity，Promotion is fixed on the left-hand cylinder body pushed away on body and moves to left，Make left-hand cylinder be clipped in radially to produce mobile by being fixed on gyroaxis the extension bar pressing from both sides axial displacement for limiting left-hand cylinder simultaneously，Realize clamping function，Otherwise，When pushing away body and moving to right，Left-hand cylinder folder is made to produce release function；Or: the described right-hand member pushing away body is provided with the concrete structure of right clamping device and is: the right-hand member at the endoporus of gyroaxis is provided with right cylinder, the end face of right cylinder is fixed by screw with the right side of gyroaxis, and the right collet chuck cooperated with the right cylinder conical surface is set in right cylinder, the right-hand member of right collet chuck is connected with the right-hand member pushing away body, realize single-ended clamping and releasing function, by the anti-torsion of anti-turn screw between described right collet chuck and right cylinder so that it is operationally link；When pressure enters right cavity, the right cylinder being fixed on gyroaxis is limited axial displacement, push away body to move to left, right collet chuck is driven to move to left, and under the effect of the conical surface between right cylinder and right collet chuck, make right collet chuck produce radial displacement, it is achieved clamping function, otherwise, when pushing away body and moving to right, left-hand cylinder folder is made to produce release function.
- nullThe most according to claim 1 have constant locking force and band refrigerating function both-end processing pneumatics toolroom machine holder，It is characterized in that: clamping and the release pressure input channel of described gyroaxis are arranged on round plate，The axle bed of clamping and the clamping of release pressure input channel and release air inlet side is provided with clamping inlet seal circle containing cavity and release inlet seal circle containing cavity，Clamping inlet seal circle it is provided with in clamping inlet seal circle containing cavity，Release inlet seal circle it is provided with in release inlet seal circle containing cavity，When injection pressure，Owing to the aperture of input pressure above is big，And the bore that clamps and releases inlet seal circle delivery outlet is little，Great pressure can be produced in the containing cavity of clamping and release inlet seal circle，Force clamping and release inlet seal circle to move in its containing cavity and be close to clamping and release air inlet by its elastic deformation characteristic，Realize pressure input to seal.
- The most according to claim 1 have constant locking force and band refrigerating function both-end processing pneumatics toolroom machine holder, it is characterized in that: between minimum cylindrical and gyroaxis round plate cylindrical and end face and the endoporus of support of described axle bed, be provided with the air inlet collar, and fixed by screw, clamping and release pressure input channel it is respectively arranged with on the air inlet collar, this clamping and release pressure input channel and support, axle bed, clamping on gyroaxis and release pressure input channel UNICOM form clamping and release pressure input circuit, at the minimum cylindrical of axle bed and on end face, various location offers for placing clamping and the containing cavity of release inlet seal circle；Or offer side by side for placing clamping and the containing cavity of release inlet seal circle at the minimum cylindrical of axle bed；And in containing cavity, place respective inlet seal circle；Clamp under the driving of pressure and discharge inlet seal circle and move away in clamping and release inlet seal circle containing cavity respectively or be close to clamp air inlet and release air inlet.
- The most according to claim 1 have constant locking force and band refrigerating function both-end processing pneumatics toolroom machine holder, it is characterized in that: the minimum cylindrical of described axle bed is set with the air inlet collar with gyroaxis round plate cylindrical and end face, and fixed by screw, collar cover for seat is contained in outside the air inlet collar and axle bed, set ring seat is fixed on support by screw with support maximum endoporus and end face by cylindrical and end face, clamping and release pressure input channel it is respectively arranged with on the air inlet collar, this clamping and release pressure input channel and support, axle bed, clamping on gyroaxis and release pressure input channel UNICOM form clamping and release pressure input circuit, offer at the minimum cylindrical of axle bed and at the endoporus of set ring seat for placing clamping and the containing cavity of release inlet seal circle；Or offer for placing clamping and discharging the containing cavity of inlet seal circle at the endoporus of end face diverse location between the minimum cylindrical and maximum cylindrical of axle bed and set ring seat；Or offer side by side for placing clamping and the containing cavity of release inlet seal circle at the endoporus of set ring seat；And in containing cavity, place respective inlet seal circle；Clamp under the driving of pressure and discharge inlet seal circle and move away in clamping and release inlet seal circle containing cavity respectively or be close to clamp air inlet and release air inlet.
- 7. according to described in claim 1 or 5 or 6 have constant locking force and band refrigerating function both-end processing pneumatics toolroom machine holder, it is characterized in that: be provided with on described support and clamping pressure input circuit and the inlet suction port of release pressure input circuit UNICOM, when pressure is input in gyroaxis clamping and the release check valve of setting by input circuit, the valve ball promoting clamping and release check valve departs from valve ball sealing ring makes pressure be circulated into the left side pushing away body, in right cavity, when pressure is saturated, after stopping pressure supply, its clamping and release one-way valve club are by under its action of reset spring, it is close to sealing ring；Meanwhile clamp and discharge inlet seal circle and depart from clamping and release air inlet its elastic deformation characteristic, reset to free state；Being now holder free to rotate, during owing to rotating, the effect of centrifugal characteristic makes the valve ball of check valve preferably be close in its sealing ring so that it is reach perfectly to seal.
- The most according to claim 1 have constant locking force and band refrigerating function both-end processing pneumatics toolroom machine holder, it is characterized in that: described bearing unit includes two left bearings being disposed between gyroaxis and axle bed, right bearing, left bearing adjacent gyroaxis round plate is arranged, axle bed is provided with bearing removal screw at the corresponding outer ring with left bearing, it is provided with bearing inner spacer between the inner ring of two bearings, bearing outer ring spacer it is provided with between the outer ring of two bearings, the outer ring axial restraint of bearing is connected by screw and axle bed by bearing outer press cover and is axially producing play together with bearing outer ring spacer preventing Y-axis to hold；Bearing inner race is screwed onto on gyroaxis by bearing internal gland and screws precompressed, is used for limiting bearing inner race and produces axial displacement in the axial direction；At the step cylindrical of bearing outer ring spacer, offer uniform hole simultaneously, axle bed is offered loop.
- The most according to claim 8 have constant locking force and band refrigerating function both-end processing pneumatics toolroom machine holder, it is characterized in that: be provided with on described support, axle bed, bearing outer ring spacer, gyroaxis to bearing cooling and reduce centrifugal pressure channel, by being provided with to the cooling pressure input adapter of this pressure channel input air pressure on support, on the pressure channel of axle bed, circumference is evenly equipped with two circumferentially disposed blind holes, the opening of blind hole is provided with closure screw, and pressure channel is by gyroaxis round plate and extraneous UNICOM；When holder rotates, gyroaxis runs up, and offers the heat that loop produces bearing take out of by offering at the step cylindrical of bearing outer ring spacer on uniform hole and axle bed；When using pneumatics to drive cooling, take, by the input adapter on support and cooling circuit passage, the heat that bearing produces out of.
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| CN201310433605.5A CN103481087B (en) | 2013-09-22 | 2013-09-22 | There is constant locking force and band refrigerating function both-end processing pneumatics toolroom machine holder |
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| CN107716950A (en) * | 2017-09-29 | 2018-02-23 | 沈阳盛京精益数控机械有限公司 | A kind of ultra-thin main spindle box |
| CN108421995B (en) * | 2018-04-11 | 2023-11-14 | 宁波迈途机械科技有限公司 | Hydraulic indexing chuck |
| CN111906490B (en) * | 2020-07-29 | 2022-09-16 | 北京圣龙博睿科技有限公司 | Unlimited rotary water-cooling clamping mechanism |
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Effective date of registration: 20180821 Address after: 318000, 1 floor, 2988 BINKANG Road, Taizhou, Zhejiang. Patentee after: Taizhou Zhi Sheng Machine Tool Manufacturing Co., Ltd. Address before: 318000 -1, 10 village, Taizhou street, Jiaojiang District, Zhejiang Patentee before: Lin Chunhong |
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Effective date of registration: 20190306 Address after: 318000 No. 180, Liujia Village, Sanjia Street, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Lin Chunhong Address before: 318000, 1 floor, 2988 BINKANG Road, Taizhou, Zhejiang. Patentee before: Taizhou Zhi Sheng Machine Tool Manufacturing Co., Ltd. |