CN203509660U

CN203509660U - Double-end machining air compression machine tool holder with constant lock force and cooling function

Info

Publication number: CN203509660U
Application number: CN201320586305.6U
Authority: CN
Inventors: 林春红
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-09-22
Filing date: 2013-09-22
Publication date: 2014-04-02
Anticipated expiration: 2023-09-22

Abstract

The utility model belongs to the technical field of holders, and particularly relates to a double-end machining air compression machine tool holder with constant lock force and the cooling function. A shaft seat, a rotating shaft and a push body are sequentially arranged in the radial direction of an inner hole of a machine base. A bearing unit is arranged between the shaft seat and the rotating shaft. The push body can axially move relative to the rotating shaft. A driving pulley drives the rotating shaft and the push body to conduct radial synchronous rotation along with the driving pulley. A disc part of the push body divides a cavity formed by a disc part of the rotating shaft and the driving pulley into a left cavity and a right cavity. A clamping one-way valve and a release one-way valve are arranged on the disc part of the rotating shaft. A left clamping device is arranged at the left end of the push body or/and a right clamping device is arranged at the right end of the rotating shaft. A clamping pressure input loop and a release pressure input loop are formed on the machine base, the shaft seat and the rotating shaft, and pressure is communicated with the left cavity or the right cavity through the two loops and the one-way valves to drive the push body to move to drive the left clamping device or/and the right clamping device or the left clamping device to clamp or release workpieces.

Description

There is permanent lock power and band refrigerating function both-end processing pneumatics toolroom machine holder

Technical field:

The utility model belongs to holder technical field, refers in particular to a kind of have permanent lock power 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 to both sides, during due to processing and loading clamp, main shaft is on both sides, its span is larger, so clamping is wasted time and energy very much, its main shaft drives needs respectively two main motors to drive, can not reach the effect of power saving, although compare in floor space and can accomplish effective improvement with single-ended lathe in the past, a people can only manage 2, be equivalent to single-ended lathe in the past in 4.But in operation and management, also there is very large defect, can not reach the effect of customer satisfaction.

At present, its groundwork principle of both-end holder is to produce gap between axle bed and rotating shaft both at home and abroad, thereby do relatively, run up, when oiling, will produce in gap Chan stream and in gap, form oil film, although its structure has been offered backflash more between axle bed and rotating shaft, but when rotating shaft runs up relatively with respect to axle bed, exist the oil film in gap to generate heat, also exist because the impacts such as material expansion produce main shaft locking, the pressure source that oil film also can make hydraulic pump bestow causes resistance rush down and run off, piece-holder power is unstable, gas-liquid is passed through main shaft bearing simultaneously, also can produce very high temperature rise to bearing, the life-span that certainly will make like this matched bearings has a great impact.Lathe cannot normally be worked for a long time.

Summary of the invention:

The purpose of this utility model be to provide a kind of clamping workpiece simple and convenient, improve machining accuracy and operating efficiency there is permanent lock power and band refrigerating function both-end processing pneumatics toolroom machine holder.

The utility model is achieved in that

There is permanent lock power and band refrigerating function both-end processing pneumatics toolroom machine holder, include support, at the support internal orifice dimension axle bed that has inwardly been coaxially set successively from outside to inside, gyroaxis, push away body, between axle bed and gyroaxis, be provided with bearing unit, bearing unit makes gyroaxis rotate relative to axle bed, axle bed and support are connected, pushing away physical efficiency moves axially with respect to gyroaxis, in support endoporus, on the cylindrical of the round plate of gyroaxis, be provided with driving pulley, driving pulley drives gyroaxis, push away radially synchronous rotary of body and its work, the left side cylindrical that pushes away body matches with driving pulley endoporus, the round plate that pushes away body is arranged in the round plate of gyroaxis and the cavity of driving pulley formation cavity is separated to form to left cavity and right cavity, round plate at gyroaxis is circumferentially evenly equipped with the clamping check valve radially arranging and discharges check valve, at the left end that pushes away body, be provided with left clamping device, the right-hand member of gyroaxis is provided with right clamping device, by extension bar, realizing interlock clamps and releases, or be provided with right clamping device at the right-hand member of gyroaxis, or be provided with left clamping device at the left end that pushes away body, and by monotubular pull bar restriction collet chuck initial position.On support, axle bed, gyroaxis, be provided with and clamp and release pressure input channel forms and clamps and release pressure input circuit, pressure by clamp and release pressure input circuit by clamping check valve or discharging check valve, the left cavity of UNICOM or right cavity drive and push away axon to the mobile action that drives left and right clamping device interlock or left and right clamping single acting device to realize clamping work pieces or unclamp workpiece respectively again.

Above-mentioned gyroaxis with push away body and be connected by pushing away body stop pin, in the anti-rotation cotter way of the round plate that one end of stop pin is fixed on the round plate that pushes away body, the other end is arranged on gyroaxis, push away body and move axially, the other end of stop pin moves axially in the anti-rotation cotter way of the round plate of gyroaxis.

The above-mentioned left end that pushes away body is provided with left clamping device, the concrete structure that the right-hand member of gyroaxis is provided with right clamping device is: at the minimum endoporus that pushes away body, be provided with extension bar, the cylindrical of the right-hand member of extension bar coordinates with gyroaxis endoporus, at the left end that pushes away body endoporus, be provided with left-hand cylinder body, the external circle of left-hand cylinder and end face match with the endoporus and the left end face that push away body respectively, and be connected by screw, gyroaxis right-hand member end face and minimum endoporus place are provided with the right cylindrical shell matching, by screw, be fixedly connected with, and on a left side, in right cylindrical shell, place respectively the left side cooperatively interacting with the cylindrical shell conical surface, right collet chuck, by extension bar, two collet chucks are connected again, reach interlock and clamp and release function, a described left side, right collet chuck is with left, between right cylindrical shell, by anti-turn screw, prevent turning round respectively, make its interlock when work, when pressure enters right cavity, promotion is fixed on the left-hand cylinder body pushing away on body and moves to left, by extension bar, drive right collet chuck to move to left simultaneously, right cylindrical shell is fixed on gyroaxis and does not produce and move axially, finally make left-hand cylinder folder and right collet chuck radially produce and move, realize clamping function,

The concrete structure that the described left end that pushes away body is provided with left clamping device is: at the left end that pushes away body endoporus, be provided with left-hand cylinder body, the external circle of left-hand cylinder and end face match with the endoporus and the left end face that push away body respectively, and be connected by screw, and placement is pressed from both sides with the left-hand cylinder that left-hand cylinder body cone cooperatively interacts in left-hand cylinder body, at the endoporus place of matching of gyroaxis, place extension bar simultaneously, the right side of extension bar and the right side of gyroaxis are fixed by screw, the left end of extension bar is connected with left-hand cylinder folder, realize the single-ended function that clamps and releases, between described left-hand cylinder folder and left-hand cylinder body, by anti-turn screw, prevent turning round, make its interlock when work, when pressure enters right cavity, promotion is fixed on the left-hand cylinder body pushing away on body and moves to left, by being fixed on gyroaxis, for limiting the extension bar of left-hand cylinder folder axial displacement, make left-hand cylinder be clipped in radially generation movement simultaneously, realize clamping function, otherwise, when pushing away body and move to right, make left-hand cylinder folder produce release function,

The concrete structure that the described right-hand member that pushes away body is provided with right clamping device is: the right-hand member at the endoporus of gyroaxis is provided with right cylindrical shell, the end face of right cylindrical shell and the right side of gyroaxis are fixed by screw, and the right collet chuck cooperatively interacting with the right cylindrical shell conical surface is set in right cylindrical shell, the right-hand member of right collet chuck is connected with the right-hand member that pushes away body, realize the single-ended function that clamps and releases, between described right collet chuck and right cylindrical shell, by anti-turn screw, prevent turning round, make its interlock when work; When pressure enters right cavity, the right cylindrical shell being fixed on gyroaxis is limited axial displacement, pushes away body and moves to left, and drives right collet chuck to move to left, and under the effect of the conical surface by between cylindrical shell and right collet chuck, makes right collet chuck produce radial displacement, realizes clamping function.

The clamping of above-mentioned gyroaxis and release pressure input channel are arranged on round plate, clamping and the clamping of release pressure input channel and be discharged on the axle bed of gas port one side and be provided with and clamp air inlet sealing ring accommodating cavity and be discharged into airtight seal accommodating cavity, in clamping air inlet sealing ring accommodating cavity, be provided with and clamp air inlet sealing ring, be discharged in airtight seal accommodating cavity and be provided with and be discharged into airtight seal, when injection pressure, because the aperture of input pressure is above large, and the bore that clamps and releases air inlet sealing ring delivery outlet is little, in the accommodating cavity that clamps and be discharged into airtight seal, can produce great pressure, force and clamp and be discharged into that airtight seal is moved in its accommodating cavity and be close to and clamped and be discharged into gas port by its elastic deformation characteristic, realize pressure input sealing.

The minimum cylindrical of above-mentioned axle bed and gyroaxis round plate cylindrical and end face by the fixing air inlet collar of screw, on the air inlet collar, be respectively arranged with and clamp 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 and clamp and release pressure input circuit, minimum cylindrical place and end face (can offer accommodating cavity at diverse location in end) thereof at axle bed (allow to occur bracket in the middle part of description, this explanation can be in description) locate to offer the accommodating cavity that clamps and be discharged into airtight seal for placing, or at the minimum cylindrical place of axle bed, offer side by side the accommodating cavity that clamps and be discharged into airtight seal for placing, and in accommodating cavity, place air inlet sealing ring separately, under the driving of pressure, clamping and be discharged into airtight seal clamps air inlet and is discharged into gas port clamping and be discharged into move away or be close in airtight seal accommodating cavity respectively.

The minimum cylindrical of above-mentioned axle bed and gyroaxis round plate cylindrical and end face by the fixing air inlet collar of screw, collar cover for seat is contained in outside the air inlet collar and axle bed, cover ring seat is fixed on support by screw by cylindrical and end face and support maximum endoporus and end face, on the air inlet collar, be respectively arranged with and clamp 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 and clamp and release pressure input circuit, at the minimum cylindrical place of axle bed and the endoporus place of cover ring seat offer the accommodating cavity that clamps and be discharged into airtight seal for placing, or offer at the minimum cylindrical of axle bed and the endoporus place of the end face diverse location between maximum cylindrical and cover ring seat the accommodating cavity that clamps and be discharged into airtight seal for placing, or offer side by side at the endoporus place of cover ring seat the accommodating cavity that clamps and be discharged into airtight seal for placing, and in accommodating cavity, place air inlet sealing ring separately, under the driving of pressure, clamping and be discharged into airtight seal clamps air inlet and is discharged into gas port clamping and be discharged into move away or be close in airtight seal accommodating cavity respectively.

On above-mentioned support, be provided with the inlet suction port with clamping pressure input circuit and release pressure input circuit UNICOM, when pressure is input to the clamping arranging in gyroaxis and is discharged check valve by input circuit, the valve ball that promote to clamp and discharge check valve is circulated into pressure with the disengaging of valve ball sealing ring to push away in the left and right cavity of body, when pressure saturated, stop after 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 be discharged into airtight seal and depart from and clamp and be discharged into gas port its elastic deformation characteristic, reset to free state; Now can freely rotate holder, during due to rotation, the effect of centrifugal characteristic is better close in its sealing ring the valve ball of check valve, makes it reach perfect sealing.

Above-mentioned bearing unit includes two left bearing, the right bearings that are disposed between gyroaxis and axle bed, the adjacent gyroaxis round plate of left bearing arranges, axle bed is corresponding is provided with bearing removal screw with the place, outer ring of left bearing, between the inner ring of two bearings, be provided with bearing inner spacer, between the outer ring of two bearings, be provided with bearing outer ring spacer, the outer ring axial restraint of bearing is connected to prevent that by screw and axle bed Y-axis holds together with outer ring spacer at the axial play that produces by bearing outer press cover.Bearing inner race is screwed onto on gyroaxis and is screwed precompressed by bearing internal gland, for limiting gyroaxis, produces in the axial direction axial displacement.At the step cylindrical place of outer ring spacer, offer uniform hole, on axle bed, offer loop simultaneously.

On above-mentioned support, axle bed, bearing outer ring spacer, be provided with the input adapter of the input air pressure by arranging on support, on the pressure channel of axle bed, be circumferentially evenly equipped with two blind holes that circumferentially arrange, the openend of blind hole is provided with shutoff screw, and pressure channel is by gyroaxis round plate and extraneous UNICOM; When holder rotates, the running up of gyroaxis taken out of by the step cylindrical place at bearing outer ring spacer and offered and on uniform hole and axle bed, offer the heat that loop produces bearing; When using pneumatics to drive when cooling, by the input adapter on support and cooling circuit passage, take the heat that bearing produces out of.

The utility model compared to existing technology outstanding advantage is:

1, the utility model is driven and is clamped or discharge workpiece by pressure apparatus, and clamping workpiece is simple and convenient, has improved machining accuracy;

2, the utility model is provided with cooling and reduction centrifugation systems, give in time bearing cooling, and the quality that effectively changes workpiece is carried out Balance Treatment simultaneously, make bearing bear optimum pressure, running accuracy and the service life of bearing be can effectively protect, thereby the service life of holder and the stability of precision extended;

3, the function that the part that the utility model solution concentricity requirement is higher and different workpieces add quick-clamping in man-hour, a people can manage 4 simultaneously, be equivalent to 8 of single-ended lathes in the past, greatly reduced and operated required headcount, simultaneously motor only has one, thus the two ends lathe for machining that is placed on both sides with main shaft compare reached save manpower, power saving, province's floor space effect;

4, the utility model has possessed two ends simultaneously and has processed respectively different Model For The Bush-axle Type Parts processing, possesses and clamps and releases function simultaneously;

5, the utility model is applicable to the processing occasion of various axial workpieces or Model For The Bush-axle Type Parts etc.

Accompanying drawing explanation:

Fig. 1 is the cutaway view of embodiment 1 clamped condition;

Fig. 2 is the cutaway view of embodiment 1 release conditions;

The cutaway view of state when Fig. 3 is embodiment 1 each pressure stop supplies;

Fig. 4 is the cooling cutaway view with reducing apocarpy of embodiment 1;

Fig. 5 is the schematic diagram of the check valve of embodiment 1;

Fig. 6 is one of cutaway view of embodiment 1;

Fig. 7 be embodiment 1 cutaway view two;

Fig. 8 is embodiment 2 monotubular folder foward-push cutaway views;

Fig. 9 is embodiment 3 monotubular folder rear pull type cutaway views;

Figure 10 is one of clamped condition cutaway view of embodiment 4;

Figure 11 be embodiment 4 clamped condition cutaway view two;

Figure 12 be embodiment 4 clamped condition cutaway view three;

Figure 13 is the clamped condition cutaway view of embodiment 4;

Figure 14 is the clamped condition cutaway view of embodiment 5.

The specific embodiment:

With specific embodiment, the utility model is further described below,

Embodiment 1: referring to Fig. 1-7:

There is permanent lock power and band refrigerating function both-end processing pneumatics toolroom machine holder, include support 1, at the support 1 internal orifice dimension axle bed 3 that has inwardly been coaxially set successively from outside to inside, gyroaxis 4, push away body 5, between axle bed 3 and gyroaxis 4, be provided with bearing unit, bearing unit makes gyroaxis 4 rotate relative to axle bed 3, axle bed 3 is connected with support 1, gyroaxis 4 with push away body 5 and be connected, pushing away body 5 can move axially with respect to gyroaxis 4, in support 1 endoporus, on the cylindrical of the round plate of gyroaxis 4, be provided with driving pulley 2, driving pulley 2 drives gyroaxis 4, push away radially synchronous rotary of body 5 and its work, the left side cylindrical that pushes away body 5 matches with driving pulley 2 endoporus, the round plate that pushes away body 5 is arranged in the round plate of gyroaxis 4 and the cavity of driving pulley 2 formation cavity is separated to form to left cavity 6 and right cavity 7, round plate at gyroaxis 4 is circumferentially evenly equipped with the clamping check valve 8 radially arranging and discharges check valve 9, at the left end that pushes away body 5, be provided with left clamping device, the right-hand member of gyroaxis 4 is provided with right clamping device, by extension bar 19, realizing interlock clamps and releases, at support 1, axle bed 3, on gyroaxis 4, be provided with clamping pressure input channel and release pressure input channel and form clamping pressure input circuit 10 and release pressure input circuit 11, by clamping pressure input circuit 10 and release pressure input circuit 11, by clamping check valve 8 or discharging check valve 8, the left cavity 6 of UNICOM or right cavity 7 drive and push away body 5 and move axially and drive left clamping device pressure respectively again, right clamping device interlock realizes clamping work pieces 12 or discharges the action of workpiece 12.

Above-mentioned gyroaxis 4 with push away body 5 and be connected by pushing away body stop pin 13, in the anti-rotation cotter way of the round plate that one end of stop pin 13 is fixed on the round plate that pushes away body 5, the other end is arranged on gyroaxis 4, push away body 5 and move axially, the other end of stop pin 13 moves axially in the anti-rotation cotter way of the round plate of gyroaxis 4.

The above-mentioned left end that pushes away body 5 is provided with left clamping device, the concrete structure that the right-hand member of gyroaxis 4 is provided with right clamping device is: 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 endoporus coordinate, at the left end that pushes away body 5 endoporus, be provided with left-hand cylinder body 14, left-hand cylinder body 14 cylindricals and end face match respectively at the endoporus and the left end face that push away 5 bodies, and be connected by screw 15, gyroaxis 4 right-hand member end faces and minimum endoporus go out to be provided with the right cylindrical shell 16 matching, by screw 15, be fixedly connected with, and on a left side, right cylindrical shell 14, in 16, place respectively the left side cooperatively interacting with the cylindrical shell conical surface,

right collet chuck

17, 18, by extension bar 19, make two collet chucks 17 again, 18 are connected, reach interlock and clamp and release function, a described left side,

right collet chuck

17, 18 with left, right cylindrical shell 14, between 16, by anti-turn screw 20 is anti-, turn round respectively, make its interlock when work, when pressure enters right cavity 7, promotion is fixed on the left-hand cylinder body 14 pushing away on body 5 and moves to left, by extension bar 19, drive right collet chuck 18 to move to left simultaneously, right cylindrical shell 16 is fixed on gyroaxis 4 and does not produce and move axially, finally make left-hand cylinder folder 17 and right collet chuck 18 radially produce and move, realize clamping function, otherwise, when pushing away body 5 and move to right, make left-hand cylinder folder 14 produce release function.

The minimum cylindrical of above-mentioned axle bed 3, between gyroaxis round plate 401 cylindricals and end face and the endoporus of support 1, be set with the air inlet collar 21, and fix by screw, on the air inlet collar 21, be respectively arranged with clamping pressure input channel and release pressure input channel, 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, the accommodating cavity that is provided for preventing from clamping and being discharged into airtight seal in minimum cylindrical place and the end thereof of axle bed 3, this end face is the end face forming between the minimum cylindrical of axle bed 3 and the cylindrical of axle bed 3, can offer accommodating cavity at the diverse location of end, or at the minimum cylindrical place of axle bed 3, offer side by side the accommodating cavity (as shown in Figure 6) that clamps and be discharged into airtight seal for placing, and arrange respectively and place clamping air inlet sealing ring 22 and be discharged into airtight seal 23 at accommodating cavity, under the driving of pressure, clamping and be discharged into

airtight seal

22,23 clamps air inlet and is discharged into gas port clamping and be discharged into move away or be close in airtight seal accommodating cavity respectively.

On above-mentioned support 1, be provided with the

inlet suction port

24,49 with clamping pressure input circuit 10 and release pressure input circuit 11 UNICOMs.When pressure is input to the clamping arranging in gyroaxis 4 and discharges

check valve

9,8 by input circuit, the

valve ball

46,40 that promote to clamp and

discharge check valve

9,8 is circulated into pressure with 48,42 disengagings of valve ball sealing ring to push away in the left and

right cavity

6,7 of body, when pressure saturated, stop after pressure supply, its clamping and release Ball of Non-return 46,40 can, by under its back-moving

spring

47,41 effects, be close to sealing

ring

48,42; Meanwhile clamp and be discharged into

airtight seal

22,23 and depart from and clamp and be discharged into gas port its elastic deformation characteristic, reset to free state; Now can freely rotate holder, during due to rotation, the effect of centrifugal characteristic is better close in its

sealing ring

48,42

valve ball

46,40 of check valve, makes it reach perfect sealing.

Above-mentioned bearing unit includes two left bearings 25 that are disposed between gyroaxis 4 and axle bed 3, right bearing 26, right bearing tight 26 suffers gyroaxis 4 round plate settings, axle bed 3 is corresponding is provided with bearing removal screw 27 with the place, outer ring of right bearing 26, two bearings 25, between 26 inner ring, be provided with bearing inner spacer 28, two bearings 25, between 26 outer ring, be provided with bearing outer ring spacer 29, the inner ring of left bearing 25 is screwed onto on gyroaxis 4 and is screwed precompressed by bearing internal gland 30, be used for limiting bearing inner race and produce axial displacement, bearing internal gland 30 is connected by screw and support 1 and axle bed 3, the outer ring of left bearing 25 and axle bed 3 end faces are fixing by bearing outer press cover 31, bearing outer press cover 31 is connected by screw and axle bed 3, bearing outer press cover 31 produces axial displacement for restrictive axes bearing outer-ring.

Above-mentioned support 1, axle bed 3, bearing outer ring spacer 29, on gyroaxis 4, be provided with pressure channel 32 cooling to bearing and that reduction is centrifugal, on support 1, be provided with the cooling pressure input adapter 33 to these pressure 32 passage input air pressures, on the pressure channel of axle bed 3, be circumferentially evenly equipped with two blind holes 34 that circumferentially arrange, the openend of blind hole 34 is provided with shutoff screw 35, this pressure channel 32 is by gyroaxis 4 round plates and extraneous UNICOM, when holder rotates, revolution, 4 run up to take out of by the step cylindrical place at bearing outer ring spacer 29 offered on uniform hole and axle bed 3 and offered loop bearing 26, 31 heats that produce, when using pneumatics to drive when cooling, by the input adapter on support 1 and cooling circuit passage 32, take the heat that bearing 26,31 produces out of.

Give bearing 26,31 cooling and on gyroaxis 4 balance offer hole and reduce its centrifugal force, make rotation more steadily and holder significantly improves service life.

Between above-mentioned axle bed 3 and support 1, be arranged at intervals with several air inlet separation sealing rings 35, push away between body 5 and gyroaxis 4, between extension bar 16 and gyroaxis 4, be provided with sealing ring.

Between the outer face of above-mentioned driving pulley 2 and the outer face of support 1, be provided with cover 36, play dustproof, water-proof function.

The structure of the release check valve 8 of the present embodiment is: include that valve body 37, valve body 37 one end are provided with capping 38, the other end is provided with spring baffle ring 39, in valve body 37, be provided with valve ball 40, between valve ball 40 and spring baffle ring 39, be provided with back-moving spring 41, in valve body 37, be provided with pressurize sealing ring 42, valve ball 40 is connected with 42 contacts of pressurize sealing ring, a side at valve ball 40 is provided with engine 43, engine 43 can move axially under the driving of ambient pressure, and valve ball 40 can leave pressurize sealing ring 42 under 43 of engine drives or under the driving of ambient pressure.The structure that clamps check valve 9 is: include that valve body 43, valve body 43 one end are provided with capping 44, the other end is provided with spring baffle ring 45, in valve body 43, be provided with valve ball 46, between valve ball 46 and spring baffle ring 45, be provided with back-moving spring 47, in valve body 43, be provided with pressurize sealing ring 48, valve ball 46 is connected with 48 contacts of pressurize sealing ring, a side at valve ball 46 is provided with engine 49, engine 49 can move axially under the driving of ambient pressure, and valve ball 46 can leave pressurize sealing ring 48 under 49 of engine drives or under the driving of ambient pressure.

Operation principle of the present utility model is:

Clamp operation principle:

Pressure is arrived and is clamped air inlet sealing ring 22 by clamping pressure input circuit 10, order about 22 distortion of clamping air inlet sealing ring and be close to air inlet ring set 21, make it to produce not loss of admission pressure, again by being input to and clamping and releasing check valve 9 with the fixing gyroaxis 4 of air

inlet ring set

21, 8, at clamping check valve 9 these side's pressure-driven ball valves 46, move down, thereby make pressure be input to right cavity 7 from the loop of check valve 8, discharging check valve 8 these sides' driving check valve engines 43 simultaneously, making to discharge unidirectional valve ball 40 moves down, thereby make the pressure in right cavity 7 pass through to discharge pressure release in check valve 8 loops, thereby driving pushes away body 5 and is moved to the left, when driving left-hand cylinder body 14 to be moved to the left, left-hand cylinder folder 17 produces bundle folder workpiece, under the effect of extension bar 19, drive right collet chuck 16 to move to left simultaneously, order about right collet chuck 18 and also workpiece 12 is produced to bundle folder, after workpiece 12 clamps, inlet suction port 24 pressure disconnect automatically, now clamp and release

check valve

9, 8 by reset Compress

Spring

47, 41 order about

ball valve

46, 40 and

engine

49, 43 reset, make pressure shutoff in left cavity 6.

The operation principle discharging is identical with the operation principle of clamping, and just inlet port is different with loop, by pressure being inputed in release pressure input circuit 11 with the inlet suction port 50 of release pressure input circuit 11 UNICOMs.

Cooling circuit system:

When bearing 25,26 will certainly produce heat in High Rotation Speed, if do not have this cooling system can make 25,26 life-spans of bearing reduce, thereby reduced the service life of holder, (its heat discharge mode as shown in Figure 4) is when needs gas enters when cooling, regulating the pressure of admission pressure mouth is 0.1-0.2MPa, when pressure is too large, likely bearing grease is had to impact, when the pressure of 0.1-0.2MPa, can be defined as out bearing 25,26 due to the heat that High Rotation Speed produces by loop 32, make it reach real cooling effect.

Reduce centrifugation systems:

The quality that effectively changes workpiece is carried out Balance Treatment simultaneously, makes bearing 25,26 bear optimum pressure, can effectively protect running accuracy and the service life of bearing 25,26, thereby extends the service life of holder and the stability of precision.

Embodiment 2: referring to Fig. 8:

The basic structure of the present embodiment is identical with embodiment 1, and its difference is: the present embodiment is monotubular folder foward-push:

The concrete structure that the described left end that pushes away body 5 is provided with left clamping device is: at the left end that pushes away body 5 endoporus, be provided with left-hand cylinder body 14, left-hand cylinder body 14 cylindricals and end face match with the endoporus and the left end face that push away body 5 respectively, and be connected by screw 15, and placement presss from both sides 17 with the left-hand cylinder that left-hand cylinder body 14 conical surfaces cooperatively interact in left-hand cylinder body 14, at the endoporus place of matching of gyroaxis 4, place extension bar 51 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 the single-ended function that clamps and releases, between described left-hand cylinder folder 17 and left-hand cylinder body 14, by anti-turn screw 13 is anti-, turn round, make its interlock when work, when pressure enters right cavity 6, promotion is fixed on the left-hand cylinder body 14 pushing away on body 5 and moves to left, the extension bar 51 that simultaneously presss from both sides 17 axial displacements by being fixed on gyroaxis 4 for limiting left-hand cylinder makes left-hand cylinder folder 17 radially produce and move, realize clamping function, otherwise, when pushing away body 5 and move to right, make left-hand cylinder folder 17 produce release function.

Embodiment 3: referring to Fig. 9:

The basic structure of the present embodiment 1 is identical with embodiment 1, and its difference is: the present embodiment is monotubular rear pull type:

The concrete structure that the described right-hand member that pushes away body 5 is provided with right clamping device is: the right-hand member at the endoporus of gyroaxis 4 is provided with right cylindrical shell 16, the right side of the end face of right cylindrical shell 16 and gyroaxis 4 is fixed by screw, and the right collet chuck 18 cooperatively interacting with right cylindrical shell 16 conical surfaces is set in right cylindrical shell 16, the right-hand member of right collet chuck 18 is connected with the right-hand member that pushes away body 5, realize the single-ended function that clamps and releases, between described right collet chuck 18 and right cylindrical shell 16, by anti-turn screw 13 is anti-, turn round, make its interlock when work; When pressure enters right cavity 7, the right cylindrical shell 16 being fixed on gyroaxis 4 is limited axial displacement, pushing away body 5 moves to left, drive right collet chuck 18 to move to left, and under the effect of the conical surface between right cylindrical shell 16 and right collet chuck 18, make right collet chuck 18 produce radial displacement, realize clamping function, otherwise, when pushing away body 5 and move to right, make left-hand cylinder folder 18 produce release functions.

Embodiment 4: referring to Figure 10-13:

The basic structure of the present embodiment 1 is identical with embodiment 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 by the fixing air inlet collar 21 of screw, cover ring seat 52 is sleeved on outside the air inlet collar 21 and axle bed 3, cover ring seat 52 is fixed by screws on support 1 by cylindrical and end face and the maximum endoporus of support 1 and end face, on the air inlet collar 21, be provided with clamping pressure input channel and release pressure input channel, 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,

At the minimum cylindrical place of axle bed 3 and the endoporus place of cover ring seat 52 offer the accommodating cavity that clamps and be discharged into airtight seal for placing; Or offer at the minimum cylindrical of axle bed 3 and the endoporus place of the end face diverse location between maximum cylindrical and cover ring seat 52 accommodating cavity that clamps and be discharged into airtight seal for placing; Or offer side by side at the endoporus place of cover ring seat 52 accommodating cavity that clamps and be discharged into airtight seal for placing; And in accommodating cavity, place clamping air inlet sealing ring 22 and be discharged into airtight seal 23; Under the driving of pressure, clamping and be discharged into

airtight seal

Between the cover cylindrical of ring seat 52 and the endoporus of axle bed 3, be provided with sealing ring 53.

Embodiment 5: referring to Figure 14:

The basic structure of the present embodiment is identical with embodiment 1, and its difference is: clamping pressure input circuit and the release pressure input circuit of the present embodiment are had any different:

The clamping of described gyroaxis 4 and release pressure input channel are arranged on round plate 401, clamping and the clamping of release pressure input channel and be discharged on the axle bed 3 of gas port one side and be provided with and clamp air inlet sealing ring accommodating cavity and be discharged into airtight seal accommodating cavity, in clamping air inlet sealing ring accommodating cavity, be provided with and clamp air inlet sealing ring 22, be discharged in airtight seal accommodating cavity and be provided with and be discharged into airtight seal 23, when injection pressure, because the aperture of input pressure is above large, and clamp and release air inlet sealing ring 22, the bore of 23 delivery outlets is little, in the accommodating cavity that clamps and be discharged into airtight seal, can produce great pressure, force and clamp and be discharged into

airtight seal

22, 23 move and are close to and are clamped and be discharged into gas port by its elastic deformation characteristic in its accommodating cavity, realize pressure input sealing.

Above-described embodiment is only one of preferred embodiment of the present utility model; not with this, limit practical range of the present utility model; therefore: all equivalences of doing according to shape of the present utility model, structure, principle change, within all should being covered by protection domain of the present utility model.

Claims

1. there is permanent lock power and band refrigerating function both-end processing pneumatics toolroom machine holder, it is characterized in that: include support, at the support internal orifice dimension axle bed that has inwardly been coaxially set successively from outside to inside, gyroaxis, push away body, between axle bed and gyroaxis, be provided with bearing unit, bearing unit makes gyroaxis rotate relative to axle bed, axle bed and support are connected, pushing away physical efficiency moves axially with respect to gyroaxis, in support endoporus, on the cylindrical of the round plate of gyroaxis, be provided with driving pulley, driving pulley drives gyroaxis, push away radially synchronous rotary of body and its work, the left side cylindrical that pushes away body matches with driving pulley endoporus, the round plate that pushes away body is arranged in the round plate of gyroaxis and the cavity of driving pulley formation cavity is separated to form to left cavity and right cavity, round plate at gyroaxis is circumferentially evenly equipped with the clamping check valve radially arranging and discharges check valve, at the left end that pushes away body, be provided with left clamping device, the right-hand member of gyroaxis is provided with right clamping device, by extension bar, realizing interlock clamps and releases, or be provided with right clamping device at the right-hand member of gyroaxis, or be provided with left clamping device at the left end that pushes away body, on support, axle bed, gyroaxis, be provided with and clamp and release pressure input channel forms and clamps and release pressure input circuit, pressure by clamp and release pressure input circuit by clamping check valve or discharging check valve, the left cavity of UNICOM or right cavity drive and push away axon and drive left and right clamping device interlock or left and right clamping single acting device to realize clamping work pieces or discharge the action of workpiece to mobile respectively again.

2. according to claim 1 have permanent lock power and be with 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, in the anti-rotation cotter way of the round plate that one end of stop pin is fixed on the round plate that pushes away body, the other end is arranged on gyroaxis, push away body and move axially, the other end of stop pin moves axially in the anti-rotation cotter way of the round plate of gyroaxis.

3. according to claim 1 have permanent lock power and be with refrigerating function both-end processing pneumatics toolroom machine holder, it is characterized in that: the described left end that pushes away body is provided with left clamping device, the concrete structure that the right-hand member of gyroaxis is provided with right clamping device is: at the minimum endoporus that pushes away body, be provided with extension bar, the cylindrical of the right-hand member of extension bar coordinates with gyroaxis endoporus, at the left end that pushes away body endoporus, be provided with left-hand cylinder body, the external circle of left-hand cylinder and end face match with the endoporus and the left end face that push away body respectively, and be connected by screw, gyroaxis right-hand member end face and minimum endoporus place are provided with the right cylindrical shell matching, by screw, be fixedly connected with, and on a left side, in right cylindrical shell, place respectively the left side cooperatively interacting with the cylindrical shell conical surface, right collet chuck, by extension bar, two collet chucks are connected again, reach interlock and clamp and release function, a described left side, right collet chuck is with left, between right cylindrical shell, by anti-turn screw, prevent turning round respectively, make its interlock when work, when pressure enters right cavity, promotion is fixed on the left-hand cylinder body pushing away on body and moves to left, by extension bar, drive right collet chuck to move to left simultaneously, right cylindrical shell is fixed on gyroaxis and does not produce and move axially, finally make left-hand cylinder folder and right collet chuck radially produce and move, realize clamping function, otherwise, when pushing away body and move to right, make left-hand cylinder folder produce release function,

The concrete structure that the described right-hand member that pushes away body is provided with right clamping device is: the right-hand member at the endoporus of gyroaxis is provided with right cylindrical shell, the end face of right cylindrical shell and the right side of gyroaxis are fixed by screw, and the right collet chuck cooperatively interacting with the right cylindrical shell conical surface is set in right cylindrical shell, the right-hand member of right collet chuck is connected with the right-hand member that pushes away body, realize the single-ended function that clamps and releases, between described right collet chuck and right cylindrical shell, by anti-turn screw, prevent turning round, make its interlock when work; When pressure enters right cavity, the right cylindrical shell being fixed on gyroaxis is limited axial displacement, pushing away body moves to left, drive right collet chuck to move to left, and under the effect of the conical surface between right cylindrical shell and right collet chuck, make right collet chuck produce radial displacement, realize clamping function, otherwise, when pushing away body and move to right, make left-hand cylinder folder produce release function.

4. according to claim 1 have permanent lock power and be with refrigerating function both-end processing pneumatics toolroom machine holder, it is characterized in that: the clamping of described gyroaxis and release pressure input channel are arranged on round plate, clamping and the clamping of release pressure input channel and be discharged on the axle bed of gas port one side and be provided with and clamp air inlet sealing ring accommodating cavity and be discharged into airtight seal accommodating cavity, in clamping air inlet sealing ring accommodating cavity, be provided with and clamp air inlet sealing ring, be discharged in airtight seal accommodating cavity and be provided with and be discharged into airtight seal, when injection pressure, because the aperture of input pressure is above large, and the bore that clamps and releases air inlet sealing ring delivery outlet is little, in the accommodating cavity that clamps and be discharged into airtight seal, can produce great pressure, force and clamp and be discharged into that airtight seal is moved in its accommodating cavity and be close to and clamped and be discharged into gas port by its elastic deformation characteristic, realize pressure input sealing.

5. according to claim 1 have permanent lock power and be with refrigerating function both-end processing pneumatics toolroom machine holder, it is characterized in that: the minimum cylindrical of described axle bed and gyroaxis round plate cylindrical and end face by the fixing air inlet collar of screw, on the air inlet collar, be respectively arranged with and clamp 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 and clamp and release pressure input circuit, on the minimum cylindrical place of axle bed and end face thereof, diverse location place offers the accommodating cavity that clamps and be discharged into airtight seal for placing, or at the minimum cylindrical place of axle bed, offer side by side the accommodating cavity that clamps and be discharged into airtight seal for placing, and in accommodating cavity, place air inlet sealing ring separately, under the driving of pressure, clamping and be discharged into airtight seal clamps air inlet and is discharged into gas port clamping and be discharged into move away or be close in airtight seal accommodating cavity respectively.

6. according to claim 1 have permanent lock power and be with refrigerating function both-end processing pneumatics toolroom machine holder, it is characterized in that: the minimum cylindrical of described axle bed and gyroaxis round plate cylindrical and end face by the fixing air inlet collar of screw, collar cover for seat is contained in outside the air inlet collar and axle bed, cover ring seat is fixed on support by screw by cylindrical and end face and support maximum endoporus and end face, on the air inlet collar, be respectively arranged with and clamp 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 and clamp and release pressure input circuit, at the minimum cylindrical place of axle bed and the endoporus place of cover ring seat offer the accommodating cavity that clamps and be discharged into airtight seal for placing, or offer at the minimum cylindrical of axle bed and the endoporus place of the end face diverse location between maximum cylindrical and cover ring seat the accommodating cavity that clamps and be discharged into airtight seal for placing, or offer side by side at the endoporus place of cover ring seat the accommodating cavity that clamps and be discharged into airtight seal for placing, and in accommodating cavity, place air inlet sealing ring separately, under the driving of pressure, clamping and be discharged into airtight seal clamps air inlet and is discharged into gas port clamping and be discharged into move away or be close in airtight seal accommodating cavity respectively.

7. according to thering is permanent lock power and being with refrigerating function both-end processing pneumatics toolroom machine holder described in claim 1 or 5 or 6, it is characterized in that: on described support, be provided with the inlet suction port with clamping pressure input circuit and release pressure input circuit UNICOM, when pressure is input to the clamping arranging in gyroaxis and is discharged check valve by input circuit, the left side that the valve ball that promote to clamp and discharge check valve and the disengaging of valve ball sealing ring are circulated into pressure to push away body, in right cavity, when pressure saturated, stop after pressure supply, its clamping and release one-way valve club are by under its action of reset spring, be close to sealing ring, meanwhile clamp and be discharged into airtight seal and depart from and clamp and be discharged into gas port its elastic deformation characteristic, reset to free state, now can freely rotate holder, during due to rotation, the effect of centrifugal characteristic is better close in its sealing ring the valve ball of check valve, makes it reach perfect sealing.

8. according to claim 1 have permanent lock power and be with refrigerating function both-end processing pneumatics toolroom machine holder, it is characterized in that: described bearing unit includes two left bearings that are disposed between gyroaxis and axle bed, right bearing, the adjacent gyroaxis round plate of left bearing arranges, axle bed is corresponding is provided with bearing removal screw with the place, outer ring of left bearing, between the inner ring of two bearings, be provided with bearing inner spacer, between the outer ring of two bearings, be provided with bearing outer ring spacer, the outer ring axial restraint of bearing is connected to prevent that by screw and axle bed Y-axis holds together with outer ring spacer at the axial play that produces by bearing outer press cover, bearing inner race is screwed onto and on gyroaxis, is screwed precompressed by bearing internal gland, be used for limiting gyroaxis and produce in the axial direction axial displacement, at the step cylindrical place of outer ring spacer, offer uniform hole simultaneously, on axle bed, offer loop.

9. according to claim 8 have permanent lock power and be with refrigerating function both-end processing pneumatics toolroom machine holder, it is characterized in that: the input adapter that is provided with the input air pressure by arranging on support on described support, axle bed, bearing outer ring spacer, on the pressure channel of axle bed, be circumferentially evenly equipped with two blind holes that circumferentially arrange, the openend of blind hole is provided with shutoff screw, and pressure channel is by gyroaxis round plate and extraneous UNICOM; When holder rotates, the running up of gyroaxis taken out of by the step cylindrical place at bearing outer ring spacer and offered and on uniform hole and axle bed, offer the heat that loop produces bearing; When using pneumatics to drive when cooling, by the input adapter on support and cooling circuit passage, take the heat that bearing produces out of.