CN212734184U - Oil-gas double-control anti-deformation tailstock - Google Patents
Oil-gas double-control anti-deformation tailstock Download PDFInfo
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- CN212734184U CN212734184U CN202020291035.6U CN202020291035U CN212734184U CN 212734184 U CN212734184 U CN 212734184U CN 202020291035 U CN202020291035 U CN 202020291035U CN 212734184 U CN212734184 U CN 212734184U
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Abstract
本实用新型涉及油气双控防变形尾座，包括尾轴、密封圈、后端盖、圆螺母、前接口、衬套、环形液压槽、进油口、轴承、芯轴、锥柄、前端盖、固定套、尾座壁、顶针轴、滑动腔、后接口，所述芯轴是一个具有内孔腔的轴，芯轴内孔设有一固定套，设有锥柄通过固定套与内六角螺钉紧固于芯轴内部的顶针腔一端，所述芯轴两端设有轴承支承，且所述芯轴又滑动插在尾座壁的滑动腔中间；本实用新型装置与应用既能安装顶针，通过自动推动顶针从而压紧工件，又能安装弹簧夹套，来保持或拉紧工件，防止薄壁零件加工所产生变形。
The utility model relates to an oil and gas dual-control anti-deformation tailstock, which comprises a tailshaft, a sealing ring, a rear end cover, a round nut, a front interface, a bushing, an annular hydraulic groove, an oil inlet, a bearing, a mandrel, a taper shank and a front end cover , fixed sleeve, tailstock wall, thimble shaft, sliding cavity, rear interface, the mandrel is a shaft with an inner hole cavity, the inner hole of the mandrel is provided with a fixed sleeve, and a tapered shank is provided through the fixed sleeve and the socket head cap screw It is fastened to one end of the thimble cavity inside the mandrel, the two ends of the mandrel are provided with bearing supports, and the mandrel is slidably inserted in the middle of the sliding cavity of the tailstock wall; the device and application of the utility model can install the thimble, By automatically pushing the thimble to compress the workpiece, and installing a spring jacket, the workpiece can be held or tightened to prevent the deformation of thin-walled parts.
Description
Technical Field
The utility model relates to a gyration frock clamp for parts machining, especially oil gas two accuse shape tailstock and application of preapring for an unfavorable turn of events.
Background
With the increasing requirement of the machining precision of the aero-engine, the requirement on the machining precision of the thin-wall rotary part is higher and higher, the rotary part workpiece is obtained by rotating a bus around a rotary shaft, the bus can be a straight line segment, an arc or a curve, and the surface of the rotary part workpiece can be a cylindrical surface, a conical surface and the like. For example, when a shaft-type workpiece is machined, one end of the workpiece is fixed on the chuck, and the other end of the workpiece needs to be held or pulled outwards by the rotating device, so that the workpiece is not deformed during machining.
The existing processing adopts two processing modes of a double-drive rotating shaft device (an auxiliary rotating shaft is provided with power) or a driven rotating device (the auxiliary rotating shaft is not provided with power), wherein when the double-drive rotating shaft device is processed for more than 200 revolutions per minute, inertia can generate additional torque to a product, so that a thin-wall part is deformed; the driven rotary device generally needs a certain torque to rotate, and in the machining process, when the driving rotary shaft rotates, the thin-wall part drives the driven rotary device to generate hysteresis torque, so that the part deforms. Therefore, the driven rotating device is suitable for heavy parts.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a device can promote the thimble automatically and compress tightly, taut or keep the work piece motionless to can effectively lock the axial position of thimble, make the work piece clamping convenient, the two accuse shape tailstocks of preapring for an unfavorable turn of events of oil gas and application that the instrument clamping is efficient, concrete technical scheme is:
the oil-gas double-control anti-deformation tailstock comprises a tail shaft 1, a sealing ring 2, a rear end cover 3, a round nut 5, a (air inlet or oil inlet) front interface 6, a bushing 7, an annular hydraulic groove 8, an oil inlet 9, a bearing 14/27, a mandrel 17, a taper shank 19, a front end cover 20, a fixing sleeve 21, a tailstock wall 24, a thimble shaft 25, a sliding cavity 26 and a rear interface 28, wherein the mandrel 17 is a shaft with an inner cavity, the inner hole of the mandrel is provided with the fixing sleeve 21 and the taper shank 19, the taper shank is fastened at one end of the inner cavity (thimble cavity 23) of the mandrel 17 through the fixing sleeve 21 and an inner hexagon screw 22, two ends of the mandrel 17 are provided with (conical roller) bearings 14/27 for supporting, and the mandrel 17 is inserted in the middle of the sliding cavity 26 of the tailstock wall 24 in a; the tail shaft 1 is inserted into one end of the sliding cavity 26 in a sliding manner, one end of the tail shaft 1 extends out of an end hole of the tail seat wall 24 and is positioned at one end, namely the left end, of the tail seat wall 24 far away from the thimble, and the second end, namely the right end, of the tail shaft 1 is also fixed with the first end, namely the left end, of the thimble shaft 25; the second end of the thimble shaft 25 is a Y-shaped opening fixed front end cover 20; the thimble shaft 25 is sleeved outside the mandrel 17, and the taper shank 19 extends out of the thimble shaft 25; the bushing 7 is arranged in the sliding hole cavity 26 and hoops the thimble shaft 25, the bushing 7 is fixed at the left end close to the tailstock wall 24, the outer circle side surface of the bushing 7 is provided with an annular hydraulic groove 8, and the thimble shaft 25 is inserted in the bushing 7 in a sliding manner; the left end of the tail seat wall 24 is provided with a rear end cover, the side surface of the rear end cover 3 is provided with a rear interface 28, the rear interface 28 is connected into a cavity close to the right end of the tail shaft 1 (the whole thimble shaft and the mandrel are pushed to slide by pneumatic air pressure of the cavity), the tail seat wall 24 is also provided with a (air inlet or oil inlet) front interface 6 connected into a sliding cavity 26, the (air inlet or oil inlet) front interface 6 is positioned at the left side (the other side of the cavity) of the lining 7, the tail seat wall 24 is provided with an oil inlet 9, and the oil inlet 9 is communicated with the annular hydraulic groove 8.
A piston is arranged in the cavity; the rear port 28 and the (inlet or inlet) front port 6 are both in communication with the slide bore 26.
The round nut 5 fixes the mandrel 17 on the thimble shaft 25 (such as through an end cover and a step structure); the bushing 7 and the round nut 5 are fixed at one end of the mandrel, and the round nut 5 is fixed at one end of the mandrel;
by adopting the technical scheme, the rear connector 28 is connected with the air pressure electromagnetic valve, and the (oil inlet) front connector 6 and the oil inlet 9 are respectively connected with the hydraulic electromagnetic valve. The air inlet front interface 6 is connected with an air path.
When a workpiece is pressed, the rear connector 28 is used for air intake (air intake or oil intake) and the front connector 6 is used for oil return or air return, high-pressure gas pushes the tail shaft 1 to move towards the front end of the tail seat wall 24 along the axis of the sliding hole cavity 26, the tail shaft 1 pushes the mandrel 17 to move, the mandrel 17 presses the thimble to the central hole of the workpiece, when set pressure is reached, high-pressure hydraulic oil enters the oil inlet 9, the high-pressure hydraulic oil enters the annular hydraulic groove 8, the bushing 7 is stressed to deform and tightly press the thimble shaft 25, and the mandrel 17 is fixed in the thimble shaft 25 through the round nut 5, so that the positioning of the mandrel 17 is realized.
When a workpiece is loosened, the oil inlet 9 releases pressure, the front connector 6 (air inlet or oil inlet) enters or admits oil, the rear connector 28 gives out air, the air pressure pushes the tail shaft 1 to move towards the rear end of the tail seat wall 24, and the mandrel 17 drives the thimble to leave the central hole of the workpiece.
The utility model discloses an use 6 oil returns or the oil feed of interface before the oil feed especially. One end of the piston is gas and the other end is oil. When the workpiece is pressed, the rear connector 28 admits air, the front connector 6 returns oil, and when the workpiece is loosened, the oil inlet 9 releases pressure, and the front connector 6 admits oil.
The high-pressure gas is adopted to automatically push the mandrel 17 to move, a hand wheel does not need to be manually rotated, a worker only needs to ensure that the axis of the workpiece and the axis of the ejector pin are basically overlapped, then the electromagnetic valve is started, the ejector pin is automatically pressed in, the mandrel 17 is automatically locked, the position of the ejector pin is fixed, the use is very convenient, the clamping time of the workpiece is greatly shortened, and the processing efficiency is improved.
When the air pressure pushing the mandrel 17 reaches a certain value, the hydraulic system starts to lock the mandrel 17.
Preferably, the rear cover 3 is further included, the rear cover 3 is fixed at one end of the tail seat wall 24, the mandrel 17 is slidably inserted into the rear cover 3, a rear interface 28 is arranged on the rear cover 3, and the rear interface 28 is communicated with the sliding hole cavity 26.
By adopting the technical scheme, the processing difficulty of the sliding hole cavity 26 of the tail seat wall 24 can be reduced by using the rear end cover 3, so that the sliding hole cavity 26 is a long through hole cavity and is convenient to mount.
Preferably, the rear end cover 3 is provided with a first dustproof sealing ring 2 and a first Y-shaped sealing ring 29.
Through adopting above-mentioned technical scheme, in first dust sealing ring 2 can prevent debris such as dust from entering into slip chamber 26, protection tail-shaft 1 and slip vestibule 26.
The first Y-ring 29 improves the sealing effect and prevents air leakage.
Preferably, the mandrel 17 is a stepped shaft, and is wrapped by a tail shaft end step and a thimble shaft which are sequentially arranged and sequentially increased in diameter, the tail shaft is slidably inserted into an inner hole of the rear end cover, the tail shaft end is fixed on the thimble shaft, a thimble cavity is arranged in the middle hole of the mandrel, and the outer side wall of the thimble shaft is slidably inserted into the bush.
By adopting the technical scheme, the tail shaft 1 with the increased diameter, namely the right end step of the tail shaft 1, limits the moving position of the mandrel 17 on the rear end cover 3.
Preferably, the thimble structure further comprises a round nut 5, wherein the round nut 5 is fixed on the mandrel 17, and the mandrel 17 is fixed on the thimble shaft 25 by the round nut 5; the front end cover 20 is fixed on the front end surface of the thimble shaft 25; and the first sealing ring 4 is fixedly sleeved on the tail shaft 1 and is positioned between the tail shaft 1 and the tail seat wall 24.
By adopting the technical scheme, the end parts of the round nut 5 and the thimble shaft 25 limit the position of the tail shaft 1 and prevent the tail shaft 1 from axially moving.
Through adopting above-mentioned technical scheme, the leakproofness of two first sealing washers 4 can improve tail shaft 1. Preventing hydraulic oil from entering the cavity of the tail shaft 1.
Preferably, the two ends of the outer cylindrical surface of the bushing 7, namely the two ends of the annular hydraulic groove 8, are provided with second sealing rings 10; two third Y-shaped sealing rings 12 are symmetrically arranged on the inner side cylindrical surface of the bushing 7 and used for sealing the sliding of the outer side wall of the thimble shaft 25, and the third Y-shaped sealing rings 12 and the second sealing rings 10 are both positioned at one end of the tail seat wall 24.
Through adopting above-mentioned technical scheme, hydraulic oil seepage is prevented to second sealing washer 10.
Preferably, the anti-rotation sleeve 30 is further included, and the anti-rotation sleeve 30 is fixed at the top end (left end) of the tail shaft 1.
By adopting the technical scheme, if necessary, the anti-rotation sleeve 30 is provided with the set screw which is screwed in the anti-rotation groove on the tail shaft 1. The anti-rotation sleeve 30 is connected with a limiting mechanism on the machine tool to prevent the spindle 17 from rotating.
Preferably, the inner circumferential surface of the bushing 7 is provided with annular deformation grooves 11, and the deformation grooves 11 are positioned at the lower sides of the two ends of the annular hydraulic groove 8.
By adopting the technical scheme, the deformation groove 11 enables the bushing 7 to have a radial deformable gap, so that the hydraulic groove is convenient to deform.
Preferably, the bearings arranged at the two ends of the mandrel 17 are tapered roller bearings 14/27, and the tapered roller bearings 14/27 are arranged at the two ends of the sliding hole 26. The tapered roller bearing 14/27 functions to facilitate high speed rotation of the spindle 17 and to prevent side-to-side play of the spindle 17.
Preferably, a fastening device is arranged inside the mandrel 17, and the fastening device is provided with a socket head cap screw 22 and a fixing sleeve 21.
By adopting the technical scheme, the fixing sleeve 21 is fixed in the inner hole of the mandrel 17 through threads, and the inner hexagonal screw 22 is connected with a workpiece through the taper shank 19.
Preferably, a spiral spring 13 is disposed inside the front end cover 20, and the spiral spring 13 is fixed between the front end cover 20 and the tail seat wall 24. The function of the spiral spring 13 is to prevent iron filings and foreign matters from entering the tail seat wall 24 device and prevent the tail seat wall 24 from being stuck.
Compared with the prior art the utility model discloses following beneficial effect has: the utility model provides a shape tailstock is preapred for an unfavorable turn of events to two accuses of oil gas can promote the thimble automatically and compress tightly the work piece to axial position, messenger's work piece clamping that can effectively lock the thimble are convenient, the instrument clamping is efficient, simple structure, can adapt to multiple lathe. The utility model discloses thereby the thimble can be installed with using to the device, thereby compresses tightly the work piece through promoting the thimble automatically, can install spring clamp cover 18 again, keeps or taut work piece, prevents that thin wall parts processing from producing and warping, according to requiring to processing the work piece, can effectively lock the top to the axial positioning of machined part, make the work piece clamping convenient, instrument clamping is efficient, simple structure, can adapt to multiple lathe through these two kinds of modes, and have certain interchangeability.
Drawings
FIG. 1 is a schematic structural diagram of an oil-gas double-control anti-deformation tailstock;
FIG. 2 is a schematic cross-sectional structure diagram of a tip pressing mode of an oil-gas double-control anti-deformation tailstock;
FIG. 3 is a schematic cross-sectional structure diagram of different apexes (in a fixed and stretching mode) of the oil-gas double-control anti-deformation tailstock;
Detailed Description
The present invention will now be further described with reference to the accompanying drawings.
As shown in fig. 1 to 3, the oil-gas dual-control anti-deformation tailstock comprises a mandrel 17, a tailstock wall 24 and a thimble shaft 25, wherein the mandrel 17 is a mandrel inner hole with an inner hole cavity and is provided with a fixing sleeve 21, the taper shank 19 is fastened inside the mandrel 17 through the fixing sleeve 21 and a hexagon socket screw 22, two ends of the mandrel 17 are provided with tapered roller bearings 14/27, one end of the mandrel 17 is provided with a thimble inner hole cavity 23, and the mandrel 17 is slidably inserted into a sliding cavity 26 of the tailstock wall 24; the thimble structure further comprises a tail shaft 1, wherein the tail shaft 1 is slidably inserted into the sliding hole cavity 26, the tail shaft 1 is positioned at the other end (left end) of the tail seat wall 24 far away from the thimble, and the tail shaft 1 is further fixed on the mandrel 17 and one end (left end) of the thimble shaft 25; the front end cover 20 is fixed at the other end of the thimble shaft 25; the round nut 5 is fixed at one end of the mandrel; the mandrel 17 is fixed on the thimble shaft 25 by the round nut 5; the bush 7 is arranged in the sliding hole cavity 26, the bush 7 is fixed at the other end of the tail seat wall 24, the annular hydraulic groove 8 is formed in the outer circular surface of the bush 7, and the thimble shaft 25 is inserted on the bush 7 in a sliding mode; the left end of the tail seat wall 24 is provided with a rear end cover, the side surface of the rear end cover 3 is provided with a rear interface 28, the rear interface 28 is positioned at the left end of the tail shaft 1, the tail seat wall 24 is also provided with a (gas inlet or oil inlet) front interface 6, the (gas inlet or oil inlet) front interface 6 is positioned at one end of the lining 7, and the rear interface 28 and the (gas inlet or oil inlet) front interface 6 are both communicated with the sliding cavity 26; an oil inlet 9 is formed in the tail seat wall 24, and the oil inlet 9 is communicated with the annular hydraulic groove 8.
The (air inlet or oil inlet) front connector 6, the oil inlet 9 and the rear connector 28 are respectively connected with an electromagnetic valve, and the rear connector 28 electromagnetic valve is connected with a high-pressure air source, and the (air inlet or oil inlet) front connector 6 and the oil inlet 9 electromagnetic valve are connected with a hydraulic pump.
Specifically, the rear end cover comprises a rear end cover 3, a flange is arranged at one end of the rear end cover 3, the rear end cover 3 is fixed at the rear end of the tail seat wall 24 through the flange, the rear end cover 3 is inserted into the sliding hole cavity 26, a sealing ring is arranged between the rear end cover 3 and the sliding hole cavity 26, the core shaft 17 is slidably inserted on the rear end cover 3, a rear interface 28 is arranged on the side face of the rear end cover 3, the rear interface 28 is communicated with a cavity on the left side of a piston at the left end of the sliding hole cavity 26, the rear interface 28 is connected into a cavity close to the right end of the tail shaft 1, and the. The rear end cover 3 can reduce the processing difficulty of the sliding hole 26 of the tail seat wall 24, so that the sliding hole 26 is a long through hole and is convenient to install.
The mandrel 17 is a stepped shaft, the tail shaft 1 is inserted on the rear end cover 3 in a sliding mode, the tail shaft 1 is installed on the thimble shaft 25, the thimble cavity 23 is formed in the mandrel 17, and the thimble shaft 25 is inserted on the bush 7 in a sliding mode. The tail shaft 1 limits the displacement position of the spindle 17 on the rear end cap 3.
The rear end cover 3 is provided with a first dustproof sealing ring 2 and a first Y-shaped sealing ring 29, and the first dustproof sealing ring 2 and the first Y-shaped sealing ring 29 are used for sealing the tail shaft 1.
The first dustproof sealing ring 2 can prevent dust and other impurities from entering the movable cavity and protect the tail shaft 1 and the sliding hole cavity 26.
The first Y-ring 29 improves the sealing effect and prevents air leakage.
Two first sealing rings 2 are symmetrically arranged on the outer circular surface of the tail shaft 1. Two first sealing washer 2 can improve the leakproofness of tailshaft 1, prevent that the back interface from admitting air and pushing the tail shaft 1 when advancing and leak gas.
The tapered roller bearing further comprises a round nut 5, wherein the round nut 5 is fixed on the mandrel 17, and the round nut 5 is used for fixing the tapered roller bearing 27 on the mandrel 17; the mandrel 17 is fixed on the thimble shaft 25 by the round nut 5; the front end cover 20 is fixed on the thimble shaft 25; and a tapered roller bearing 14/27, wherein the tapered roller bearing 14/27 is fixed at two ends of the mandrel 17 and is positioned between the mandrel 17 and the thimble shaft 25.
One end of the bush 7 is provided with a flange, and the bush 7 is fixed to the front end of the tail seat wall 24 by the flange.
Two ends of the outer circular surface of the lining 7 are provided with second sealing rings 10, and the second sealing rings 10 are positioned at two ends of the annular hydraulic groove 8; the inner circular surface of the bushing 7 is provided with a third Y-shaped sealing ring 12, and the third Y-shaped sealing ring 12 is positioned at the front end of the tail seat wall 24.
The second sealing ring 10 prevents hydraulic oil from entering the bore of the tail shaft 1.
The inner circular surface of the bush 7 is provided with annular deformation grooves 10, and the deformation grooves 10 are positioned at both ends of the annular hydraulic groove 8.
The anti-rotation sleeve 30 is further included, and the anti-rotation sleeve 30 is fixed at the other end of the mandrel 17.
The anti-rotation sleeve 30 is provided with a set screw which is screwed in an anti-rotation groove on the mandrel 17. The anti-rotation sleeve 30 is connected with a limiting mechanism on the machine tool to prevent the spindle 17 from rotating.
When a workpiece is pressed, the rear connector 28 is used for air inlet (air inlet or oil inlet) when air inlet is carried out, high-pressure air of the front connector pushes the tail shaft 1 to move towards the front end of the inner wall of the tail seat wall 24 along the axis of the sliding hole cavity 26, the tail shaft 1 pushes the mandrel 17 to move, the mandrel 17 presses the thimble to the central hole of the workpiece, then the oil inlet 9 enters high-pressure hydraulic oil, the high-pressure hydraulic oil enters the annular hydraulic groove 8, the annular hydraulic groove 8 is radially deformed after being stressed, the bushing 7 is compressed on the thimble shaft 25 after being deformed, and the mandrel 17 is fixed in the thimble shaft 25 through the round nut 5 and the front end cover 20, so that the positioning of the mandrel 17 is realized.
When a workpiece needs to be loosened, the oil inlet 9 releases pressure, the front connector 6 (gas or oil inlet) enters air, the rear connector 28 exits air, high-pressure gas pushes the tail shaft 1 to move towards the rear end of the tail seat wall 24, and the mandrel 17 drives the thimble to leave the central hole of the workpiece.
Workpiece 15 spring jacket 18, lock nut 18-1. The tapered roller bearing 14/27 can maintain thrust, bearing force, and rotational support.
The high-pressure gas is adopted to automatically push the mandrel 17 to move, a hand wheel does not need to be manually rotated, a worker only needs to ensure that the axis of the workpiece and the axis of the ejector pin are basically overlapped, then the electromagnetic valve is started, the ejector pin is automatically pressed in, the mandrel 17 is automatically locked, the position of the ejector pin is fixed, the use is very convenient, the clamping time of the workpiece is greatly shortened, and the processing efficiency is improved.
Claims (9)
1. The oil-gas dual-control anti-deformation tailstock is characterized by comprising a tail shaft (1), a sealing ring (2), a rear end cover (3), a round nut (5), a front connector (6), a lining (7), an annular hydraulic groove (8), an oil inlet (9), a bearing (14/27), a mandrel (17), a taper shank (19), a front end cover (20), a fixing sleeve (21), a tailstock wall (24), a thimble shaft (25), a sliding cavity (26) and a rear connector (28), wherein the mandrel is a shaft with an inner hole cavity, the inner hole of the mandrel is provided with the fixing sleeve (21) and the taper shank, the taper shank is fastened to one end of the inner hole cavity of the mandrel, namely the thimble cavity (23), through the fixing sleeve and an inner hexagonal screw, bearing supports are arranged at two ends of the mandrel, and the mandrel is inserted in the middle of the sliding cavity of the; the tail shaft is inserted into one end of the sliding cavity in a sliding mode, one end of the tail shaft extends out of the end hole of the tail seat wall and is located at one end, namely the left end, of the tail seat wall far away from the thimble, and the first end, namely the left end, of the thimble shaft is further fixed at the second end, namely the right end, of the tail shaft; the second end of the thimble shaft is a Y-shaped opening fixed front end cover; the thimble shaft is sleeved outside the mandrel, and the taper shank extends out of the thimble shaft; the bushing is arranged in the sliding hole cavity and hoops the thimble shaft, the bushing is fixed at the left end close to the wall of the tail seat, an annular hydraulic groove is formed in the side surface of the excircle of the bushing, and the thimble shaft is inserted into the bushing in a sliding mode; the tail seat structure is characterized in that a rear end cover is arranged at the left end of the tail seat wall, a rear interface is arranged on the side face of the rear end cover and is connected into a cavity close to the right end of the tail shaft, an air inlet or oil inlet front interface is connected into a sliding cavity and is arranged on the tail seat wall, the air inlet or oil inlet front interface is located on the left side of the lining, and an oil inlet is arranged on the tail seat wall and is communicated with the annular hydraulic groove.
2. The oil-gas double-control anti-deformation tailstock according to claim 1, wherein the round nut fixes the mandrel on the thimble shaft; the round nut is fixed at one end of the mandrel.
3. The oil-gas double-control anti-deformation tailstock according to claim 2, wherein the rear end cover is provided with a first dustproof sealing ring and a first Y-shaped sealing ring.
4. The oil-gas double-control anti-deformation tailstock according to claim 3, wherein the mandrel is a stepped shaft and is wrapped by a tail shaft end step and a thimble shaft which are sequentially arranged and sequentially increased in diameter, the tail shaft is slidably inserted into an inner hole of the rear end cover, the tail shaft end is fixed on the thimble shaft, a thimble cavity is arranged in the central hole of the mandrel, and the outer side wall of the thimble shaft is slidably inserted into the bush.
5. The oil-gas double-control anti-deformation tailstock according to claim 1, wherein a first sealing ring is arranged, and the first sealing ring is fixed on the tail shaft and is positioned between the tail shaft and the tailstock wall.
6. The oil-gas double-control anti-deformation tailstock according to claim 1, wherein second sealing rings are arranged at two ends of the outer circular surface of the bushing and are positioned at two ends of the annular hydraulic groove;
the inner circle of the bushing is provided with a third Y-shaped sealing ring; the inside of front end housing is equipped with the second dustproof sealing ring, and third Y type sealing ring and second dustproof sealing ring all are located the one end of tailstock wall.
7. The oil-gas double-control anti-deformation tailstock according to claim 1, further comprising an anti-rotation sleeve fixed at the other end of the mandrel (17).
8. The oil-gas double-control anti-deformation tailstock according to claim 1, wherein the inner circular surface of the bushing is provided with annular deformation grooves, and the deformation grooves are positioned at two ends of the annular hydraulic groove.
9. The oil-gas double-control anti-deformation tailstock according to claim 1, wherein a piston is arranged in the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020291035.6U CN212734184U (en) | 2020-03-11 | 2020-03-11 | Oil-gas double-control anti-deformation tailstock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020291035.6U CN212734184U (en) | 2020-03-11 | 2020-03-11 | Oil-gas double-control anti-deformation tailstock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212734184U true CN212734184U (en) | 2021-03-19 |
Family
ID=74984262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020291035.6U Withdrawn - After Issue CN212734184U (en) | 2020-03-11 | 2020-03-11 | Oil-gas double-control anti-deformation tailstock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212734184U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230156A (en) * | 2020-03-11 | 2020-06-05 | 无锡市润和机械有限公司 | Oil and gas dual control anti-deformation tailstock and its application |
| CN114799240A (en) * | 2022-04-15 | 2022-07-29 | 无锡市润和机械有限公司 | Visual controllable synchronous locking hydraulic tailstock of pressure |
| CN114799241A (en) * | 2022-05-24 | 2022-07-29 | 河南航天液压气动技术有限公司 | High-precision pneumatic tailstock for machining center |
-
2020
- 2020-03-11 CN CN202020291035.6U patent/CN212734184U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230156A (en) * | 2020-03-11 | 2020-06-05 | 无锡市润和机械有限公司 | Oil and gas dual control anti-deformation tailstock and its application |
| CN111230156B (en) * | 2020-03-11 | 2025-01-21 | 无锡市润和机械有限公司 | Oil and gas dual control anti-deformation tailstock and its application |
| CN114799240A (en) * | 2022-04-15 | 2022-07-29 | 无锡市润和机械有限公司 | Visual controllable synchronous locking hydraulic tailstock of pressure |
| CN114799241A (en) * | 2022-05-24 | 2022-07-29 | 河南航天液压气动技术有限公司 | High-precision pneumatic tailstock for machining center |
| CN114799241B (en) * | 2022-05-24 | 2023-10-27 | 河南航天液压气动技术有限公司 | High-precision pneumatic tailstock for machining center |
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