CN103481087A - Double-end machining air compressing machine tool clamping base with constant locking force and cooling function - Google Patents
Double-end machining air compressing machine tool clamping base with constant locking force and cooling function Download PDFInfo
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- CN103481087A CN103481087A CN201310433605.5A CN201310433605A CN103481087A CN 103481087 A CN103481087 A CN 103481087A CN 201310433605 A CN201310433605 A CN 201310433605A CN 103481087 A CN103481087 A CN 103481087A
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- 238000001816 cooling Methods 0.000 title claims abstract description 18
- 238000003754 machining Methods 0.000 title abstract description 6
- 238000007789 sealing Methods 0.000 claims description 44
- 125000006850 spacer group Chemical group 0.000 claims description 16
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 12
- 230000005489 elastic deformation Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 210000003050 axon Anatomy 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 210000004907 gland Anatomy 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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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
-
- 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
-
- 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
The invention belongs to the technical field of clamping bases and particularly relates to a double-end machining air compressing machine tool clamping base with constant locking force and a cooling function. A shaft base, a rotary shaft and a push body are sequentially arranged in a machine base inner hole in the radial direction. A bearing unit is arranged between the shaft base and the rotary shaft, the push body can move relative to the rotary shaft axially, a driving pulley drives the rotary shaft and the push body to rotate synchronously in the radial direction with the driving pulley, a disc portion of the push body divides a cavity formed by a disc portion of the rotary shaft and the driving pulley into a left cavity body and a right cavity body, the disc portion of the rotary shaft is provided with a clamping one-way valve and a releasing one-way valve, 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 rotary shaft. A clamping and releasing pressure input loop is formed on a machine base, the shaft base and the rotary shaft. The pressure is communicated with the left cavity body and the right cavity body through 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 achieve movement of clamping or loosening of a workpiece.
Description
Technical field:
The invention belongs to the holder technical field, refer 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 on 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 also there is very large defect in operation and management, 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, will produce in gap Chan stream and form oil film when oiling in gap, although its structure has been offered backflash more between axle bed and rotating shaft, but relatively do while running up with respect to axle bed in rotating shaft, exist the oil film in gap to generate heat, also exist because the impacts such as material expansion produce the 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, certainly will cause like this life-span to bearing to have a great impact.Make lathe to work for a long time.
Summary of the invention:
The purpose of this invention is 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 present invention 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 inwardly has been coaxially set successively from outside to inside, gyroaxis, push away body, be provided with bearing unit between axle bed and gyroaxis, 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 the support endoporus, be provided with driving pulley on the cylindrical of the round plate of gyroaxis, driving pulley drives gyroaxis, push away radially synchronous rotary of body and its work, the left side cylindrical that pushes away body matches with the driving pulley endoporus, the round plate that pushes away body is arranged in the round plate of gyroaxis and cavity that driving pulley forms cavity is separated to form to left cavity and right cavity, round plate at gyroaxis circumferentially is evenly equipped with the clamping check valve radially arranged and discharges check valve, be provided with left clamping device at the left end that pushes away body, the right-hand member of gyroaxis is provided with right clamping device, realize that by extension bar 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.Be provided with on support, axle bed, gyroaxis and clamp and the release pressure input channel forms and clamps and the release pressure input circuit, pressure by clamp and the 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 to mobile the action that left and right clamping device interlock or left and right clamping single acting device are realized clamping work pieces or unclamped workpiece respectively again.
Above-mentioned gyroaxis with push away body and be connected by pushing away the 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 axon to movement, 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 the gyroaxis endoporus, be provided with the left-hand cylinder body at the left end that pushes away the body endoporus, the external circle of left-hand cylinder and end face match with the endoporus that pushes away body and left end face respectively, and be connected by screw, gyroaxis right-hand member end face and minimum endoporus place are provided with the right cylindrical shell matched, by screw, be fixedly connected with, and on a left side, place respectively the left side cooperatively interacted with the cylindrical shell conical surface in right cylindrical shell, 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 pushed away on body and moves to left, drive right collet chuck by extension bar moves 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 the body endoporus, be provided with the left-hand cylinder body, the external circle of left-hand cylinder and end face match with the endoporus that pushes away body and left end face respectively, and be connected by screw, and placement is pressed from both sides with the left-hand cylinder that the left-hand cylinder body cone cooperatively interacts in the left-hand cylinder body, place extension bar at the endoporus place of matching of gyroaxis 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 the 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 pushed away on body and moves to left, by being fixed on gyroaxis, for the extension bar that limits the axial displacement of left-hand cylinder folder, make left-hand cylinder be clipped in radially generation movement simultaneously, realize clamping function, otherwise, when pushing away body and move to right, make the 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 interacted 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, prevent turning round by anti-turn screw between described right collet chuck and right cylindrical shell, make its interlock when work; When pressure enters right cavity, the right cylindrical shell be fixed on gyroaxis is limited axial displacement, pushes away body and moves to left, and drives right collet chuck and moves to left, and under the effect of the conical surface by between cylindrical shell and right collet chuck, make 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, be provided with and clamp the air inlet sealing ring in clamping air inlet sealing ring accommodating cavity, be discharged in airtight seal accommodating cavity and be provided with and be discharged into airtight seal, when injection pressure, because the aperture of the input pressure of front is large, and the bore that clamps and releases air inlet sealing ring delivery outlet is little, can produce great pressure in the accommodating cavity that clamps and be discharged into airtight seal, 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 and by screw the fixing air inlet collar, be respectively arranged with on the air inlet collar and clamp and the 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 the release pressure input circuit, minimum cylindrical place and end face (in end, can offer accommodating cavity at diverse location) thereof at axle bed (allow to occur bracket in the middle part of specification, this explanation can be in specification) locate to offer the accommodating cavity that clamps and be discharged into airtight seal for placing, or offer side by side the accommodating cavity that clamps and be discharged into airtight seal for placing at the minimum cylindrical place of axle bed, and place air inlet sealing ring separately in accommodating cavity, clamping and be discharged into airtight seal under the driving of pressure clamps air inlet and is discharged into gas port clamping and be discharged in airtight seal accommodating cavity to move away or be close to respectively.
The minimum cylindrical of above-mentioned axle bed and gyroaxis round plate cylindrical and end face and by screw the fixing air inlet collar, collar cover for seat is contained in outside the air inlet collar and axle bed, the cover ring seat is fixed on support by screw by cylindrical and end face and support maximum endoporus and end face, be respectively arranged with on the air inlet collar and clamp and the 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 the release pressure input circuit, offer at the minimum cylindrical place of axle bed and the endoporus place of cover ring seat thereof 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 place air inlet sealing ring separately in accommodating cavity, clamping and be discharged into airtight seal under the driving of pressure clamps air inlet and is discharged into gas port clamping and be discharged in airtight seal accommodating cavity to move away or be close to respectively.
Be provided with the inlet suction port with clamping pressure input circuit and release pressure input circuit UNICOM on above-mentioned support, when pressure is input to the clamping arranged in gyroaxis and discharges 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, after stopping the 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 break away 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 makes the valve ball of check valve better be close in its sealing ring, 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, the corresponding place, outer ring with left bearing of axle bed is provided with the bearing removal screw, be provided with bearing inner spacer between the inner ring of two bearings, be provided with the bearing outer ring spacer between the outer ring of two bearings, 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 the bearing outer press cover.Bearing inner race is screwed onto on gyroaxis and screws precompressed by the bearing internal gland, for limiting gyroaxis, produces in the axial direction axial displacement.Offer uniform hole at the step cylindrical place of outer ring spacer, offer loop simultaneously on axle bed.
Be provided with the input adapter of the input air pressure by arranging on support on above-mentioned support, axle bed, bearing outer ring spacer, circumferentially be evenly equipped with two blind holes that circumferentially arrange on the pressure channel of axle bed, the openend of blind hole is provided with the 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 the bearing outer ring spacer and offered on uniform hole and axle bed and 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 present invention's outstanding advantage compared to existing technology is:
1, the present invention drives and clamps or discharge workpiece by pressure apparatus, and clamping workpiece is simple and convenient, has improved machining accuracy;
2, the present invention 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 present invention solves the function that part that concentricity requirement is higher and different workpieces add the 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 present invention 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 present invention is applicable to the processing occasion of various axial workpieces or Model For The Bush-axle Type Parts etc.
The 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 the clamped condition cutaway view two;
Figure 12 be embodiment 4 the 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:
Below with specific embodiment, the invention will be further described,
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 inwardly has been coaxially set successively from outside to inside, gyroaxis 4, push away body 5, be 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 with push away body 5 and be connected, pushing away body 5 can move axially with respect to gyroaxis 4, in support 1 endoporus, be provided with driving pulley 2 on the cylindrical of the round plate of gyroaxis 4, 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 cavity that driving pulley 2 forms cavity is separated to form to left cavity 6 and right cavity 7, round plate at gyroaxis 4 circumferentially is evenly equipped with the clamping check valve 8 radially arranged and discharges check valve 9, be provided with left clamping device at the left end that pushes away body 5, the right-hand member of gyroaxis 4 is provided with right clamping device, realize that by extension bar 19 interlock clamps and releases, at support 1, axle bed 3, be provided with clamping pressure input channel and release pressure input channel on gyroaxis 4 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, be provided with left-hand cylinder body 14 at the left end that pushes away body 5 endoporus, left-hand cylinder body 14 cylindricals and end face match respectively at the endoporus that pushes away 5 bodies and left end face, 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 matched, by screw 15, be fixedly connected with, and on a left side, right cylindrical shell 14, place respectively the left side cooperatively interacted with the cylindrical shell conical surface in 16, right collet chuck 17, 18, make two collet chucks 17 by extension bar 19 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 pushed away on body 5 and moves to left, drive right collet chuck 18 by extension bar 19 moves 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, be set with the air inlet collar 21 between the endoporus of gyroaxis round plate 401 cylindricals and end face and support 1, and fix by screw, be respectively arranged with clamping pressure input channel and release pressure input channel 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, 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, the end face formed between the minimum cylindrical that this end face is axle bed 3 and the cylindrical of axle bed 3, can offer accommodating cavity at the diverse location of end, or offer side by side the accommodating cavity (as shown in Figure 6) that clamps and be discharged into airtight seal for placing at the minimum cylindrical place of axle bed 3, and arrange respectively and place clamping air inlet sealing ring 22 and be discharged into airtight seal 23 at accommodating cavity, clamping and be discharged into airtight seal 22,23 under the driving of pressure clamps air inlet and is discharged into gas port clamping and be discharged in airtight seal accommodating cavity to move away or be close to respectively.
Be provided with the inlet suction port 24,49 with clamping pressure input circuit 10 and release pressure input circuit 11 UNICOMs on above-mentioned support 1.Be input to the clamping arranged in gyroaxis 4 when pressure by input circuit and discharge check valve 9,8, 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, after stopping the 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 break away 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 makes the valve ball 46,40 of check valve better be close in its sealing ring 48,42, 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, the corresponding place, outer ring with right bearing 26 of axle bed 3 is provided with bearing removal screw 27, two bearings 25, be provided with bearing inner spacer 28 between 26 inner ring, two bearings 25, be provided with bearing outer ring spacer 29 between 26 outer ring, the inner ring of left bearing 25 is screwed onto on gyroaxis 4 and screws precompressed by bearing internal gland 30, produce axial displacement for limiting bearing inner race, 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 the restrictive axes bearing outer-ring.
Above-mentioned support 1, axle bed 3, bearing outer ring spacer 29, be provided with pressure channel 32 cooling to bearing and that reduction is centrifugal on gyroaxis 4, be provided with the cooling pressure input adapter 33 to these pressure 32 passage input air pressures on support 1, circumferentially be evenly equipped with two blind holes 34 that circumferentially arrange on the pressure channel of axle bed 3, 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.
Be arranged at intervals with several air inlet separation sealing rings 35 between above-mentioned axle bed 3 and support 1, push away between body 5 and gyroaxis 4, between extension bar 16 and gyroaxis 4, be provided with sealing ring.
Be provided with cover 36 between the outer face of above-mentioned driving pulley 2 and the outer face of support 1, 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 1 ends are provided with capping 38, the other end is provided with spring baffle ring 39, be provided with valve ball 40 in valve body 37, be provided with back-moving spring 41 between valve ball 40 and spring baffle ring 39, be provided with pressurize sealing ring 42 in valve body 37, 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 1 ends are provided with capping 44, the other end is provided with spring baffle ring 45, be provided with valve ball 46 in valve body 43, be provided with back-moving spring 47 between valve ball 46 and spring baffle ring 45, be provided with pressurize sealing ring 48 in valve body 43, 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 invention is:
Clamp operation principle:
Pressure arrives and clamps 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 with the fixing gyroaxis 4 of air inlet ring set 21, being input to and clamping and releasing check valve 9, 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, drive right collet chuck 16 under the effect of extension bar 19 moves to left simultaneously, order about right collet chuck 18 and also workpiece 12 is produced to the bundle folder, after workpiece 12 clamps, inlet suction port 24 pressure automatic disconnections, now clamp and release check valve 9, 8 by the Compress Spring 47 that resets, 41 order about ball valve 46, 40 and engine 49, 43 reset, make the pressure shutoff in left cavity 6.
The operation principle discharged is identical with the operation principle of clamping, and just inlet port is different with loop, by the inlet suction port 50 with release pressure input circuit 11 UNICOMs, pressure is inputed in release pressure input circuit 11.
The 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, the pressure of regulating the admission pressure mouth is 0.1-0.2MPa, when pressure is too large, likely influential to bearing grease, 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 that pushes away body 5 and left end face 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, 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 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 pushed away on body 5 and moves to left, by being fixed on the extension bar 51 that presss from both sides 17 axial displacements on gyroaxis 4 for limiting left-hand cylinder, make left-hand cylinder folder 17 radially produce and move simultaneously, 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 the 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 interacted 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, turn round by anti-turn screw 13 is anti-between described right collet chuck 18 and right cylindrical shell 16, make its interlock when work; When pressure enters right cavity 7, the right cylindrical shell 16 be fixed on gyroaxis 4 is limited axial displacement, pushing away body 5 moves to left, driving right collet chuck 18 moves 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, be provided with clamping pressure input channel and release pressure input channel 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 place of axle bed 3 and the endoporus place of cover ring seat 52 thereof 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 place clamping air inlet sealing ring 22 and be discharged into airtight seal 23 in accommodating cavity; Clamping and be discharged into airtight seal 22,23 under the driving of pressure clamps air inlet and is discharged into gas port clamping and be discharged in airtight seal accommodating cavity to move away or be close to respectively.
Be provided with sealing ring 53 between the cylindrical of cover ring seat 52 and the endoporus of axle bed 3.
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, be provided with and clamp air inlet sealing ring 22 in clamping air inlet sealing ring accommodating cavity, be discharged in airtight seal accommodating cavity to be provided with and be discharged into airtight seal 23, when injection pressure, because the aperture of the input pressure of front is large, and clamp and release air inlet sealing ring 22, the bore of 23 delivery outlets is little, can produce great pressure in the accommodating cavity that clamps and be discharged into airtight seal, 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 invention, not with this, limits practical range of the present invention, therefore: all equivalences of doing according to shape of the present invention, structure, principle change, within all should being covered by protection scope of the present invention.
Claims (9)
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 inwardly has been coaxially set successively from outside to inside, gyroaxis, push away body, be provided with bearing unit between axle bed and gyroaxis, 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 the support endoporus, be provided with driving pulley on the cylindrical of the round plate of gyroaxis, driving pulley drives gyroaxis, push away radially synchronous rotary of body and its work, the left side cylindrical that pushes away body matches with the driving pulley endoporus, the round plate that pushes away body is arranged in the round plate of gyroaxis and cavity that driving pulley forms cavity is separated to form to left cavity and right cavity, round plate at gyroaxis circumferentially is evenly equipped with the clamping check valve radially arranged and discharges check valve, be provided with left clamping device at the left end that pushes away body, the right-hand member of gyroaxis is provided with right clamping device, realize that by extension bar 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, be provided with on support, axle bed, gyroaxis and clamp and the release pressure input channel forms and clamps and the release pressure input circuit, pressure by clamp and the 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 to mobile the action that left and right clamping device interlock or left and right clamping single acting device are realized clamping work pieces or discharged workpiece 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 the 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 axon to movement, 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 the gyroaxis endoporus, be provided with the left-hand cylinder body at the left end that pushes away the body endoporus, the external circle of left-hand cylinder and end face match with the endoporus that pushes away body and left end face respectively, and be connected by screw, gyroaxis right-hand member end face and minimum endoporus place are provided with the right cylindrical shell matched, by screw, be fixedly connected with, and on a left side, place respectively the left side cooperatively interacted with the cylindrical shell conical surface in right cylindrical shell, 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 pushed away on body and moves to left, drive right collet chuck by extension bar moves 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 the left-hand cylinder folder produce release 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 the body endoporus, be provided with the left-hand cylinder body, the external circle of left-hand cylinder and end face match with the endoporus that pushes away body and left end face respectively, and be connected by screw, and placement is pressed from both sides with the left-hand cylinder that the left-hand cylinder body cone cooperatively interacts in the left-hand cylinder body, place extension bar at the endoporus place of matching of gyroaxis 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 the 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 pushed away on body and moves to left, by being fixed on gyroaxis, for the extension bar that limits the axial displacement of left-hand cylinder folder, make left-hand cylinder be clipped in radially generation movement simultaneously, realize clamping function, otherwise, when pushing away body and move to right, make the 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 interacted 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, prevent turning round by anti-turn screw between described right collet chuck and right cylindrical shell, make its interlock when work; When pressure enters right cavity, the right cylindrical shell be fixed on gyroaxis is limited axial displacement, pushing away body moves to left, driving right collet chuck moves 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 the 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, be provided with and clamp the air inlet sealing ring in clamping air inlet sealing ring accommodating cavity, be discharged in airtight seal accommodating cavity and be provided with and be discharged into airtight seal, when injection pressure, because the aperture of the input pressure of front is large, and the bore that clamps and releases air inlet sealing ring delivery outlet is little, can produce great pressure in the accommodating cavity that clamps and be discharged into airtight seal, 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 the fixing air inlet collar by screw, be respectively arranged with on the air inlet collar and clamp and the 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 the release pressure input circuit, on the minimum cylindrical place of axle bed and end face thereof, the diverse location place offers the accommodating cavity that clamps and be discharged into airtight seal for placing, or offer side by side the accommodating cavity that clamps and be discharged into airtight seal for placing at the minimum cylindrical place of axle bed, and place air inlet sealing ring separately in accommodating cavity, clamping and be discharged into airtight seal under the driving of pressure clamps air inlet and is discharged into gas port clamping and be discharged in airtight seal accommodating cavity to move away or be close to 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 the fixing air inlet collar by screw, collar cover for seat is contained in outside the air inlet collar and axle bed, the cover ring seat is fixed on support by screw by cylindrical and end face and support maximum endoporus and end face, be respectively arranged with on the air inlet collar and clamp and the 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 the release pressure input circuit, offer at the minimum cylindrical place of axle bed and the endoporus place of cover ring seat thereof 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 place air inlet sealing ring separately in accommodating cavity, clamping and be discharged into airtight seal under the driving of pressure clamps air inlet and is discharged into gas port clamping and be discharged in airtight seal accommodating cavity to move away or be close to respectively.
7. describedly there is permanent lock power and band refrigerating function both-end processing pneumatics toolroom machine holder according to claim 1 or 5 or 6, it is characterized in that: be provided with the inlet suction port with clamping pressure input circuit and release pressure input circuit UNICOM on described support, when pressure is input to the clamping arranged in gyroaxis and discharges 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, after stopping the 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 break away 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 makes the valve ball of check valve better be close in its sealing ring, 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, the corresponding place, outer ring with left bearing of axle bed is provided with the bearing removal screw, be provided with bearing inner spacer between the inner ring of two bearings, be provided with the bearing outer ring spacer between the outer ring of two bearings, 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 the bearing outer press cover.Bearing inner race is screwed onto on gyroaxis and screws precompressed by the bearing internal gland, for limiting gyroaxis, produces in the axial direction axial displacement.Offer uniform hole at the step cylindrical place of outer ring spacer, offer loop simultaneously on axle bed.
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, circumferentially be evenly equipped with two blind holes that circumferentially arrange on the pressure channel of axle bed, the openend of blind hole is provided with the 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 the bearing outer ring spacer and offered on uniform hole and axle bed and 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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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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| Application Number | Priority Date | Filing Date | Title |
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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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| CN103481087A true CN103481087A (en) | 2014-01-01 |
| CN103481087B CN103481087B (en) | 2016-08-03 |
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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 |
| CN108421995A (en) * | 2018-04-11 | 2018-08-21 | 宁波迈途机械科技有限公司 | A kind of hydraulic and indexing chuck |
| CN111906490A (en) * | 2020-07-29 | 2020-11-10 | 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. |
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