CN113738733B - A no draining rotary cylinder for immediately, add fourth axle - Google Patents
A no draining rotary cylinder for immediately, add fourth axle Download PDFInfo
- Publication number
- CN113738733B CN113738733B CN202110952293.3A CN202110952293A CN113738733B CN 113738733 B CN113738733 B CN 113738733B CN 202110952293 A CN202110952293 A CN 202110952293A CN 113738733 B CN113738733 B CN 113738733B
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- Prior art keywords
- oil
- piston
- cylinder
- pull rod
- rotary
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Links
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 20
- 230000008054 signal transmission Effects 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 239000004519 grease Substances 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000001050 lubricating effect Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 5
- 239000003921 oil Substances 0.000 description 79
- 238000003754 machining Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/24—Chucks characterised by features relating primarily to remote control of the gripping means
- B23B31/30—Chucks characterised by features relating primarily to remote control of the gripping means using fluid-pressure means in the chuck
- B23B31/302—Hydraulic equipment, e.g. pistons, valves, rotary joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
- F15B15/1452—Piston sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2807—Position switches, i.e. means for sensing of discrete positions only, e.g. limit switches
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses a non-oil drainage rotary oil cylinder for vertically adding a fourth shaft, which comprises a rotary part and an oil cylinder, wherein the rotary part comprises a pull rod, a plane bearing, a bearing seat and an installation seat, the bearing seat is installed in the installation seat, the plane bearing is installed in the bearing seat, one end of the pull rod is used for connecting a chuck, the other end of the pull rod is connected with the plane bearing, the oil cylinder comprises a piston and a cylinder body, one end of the cylinder body is fixedly connected with the installation seat, one end of the piston is fixedly connected with the bearing seat, a radial convex ring is integrally arranged in the middle of the piston, a first oil cavity and a second oil cavity are arranged in the cylinder body, and a first oil port and a second oil port are arranged on the side wall of the cylinder body. The rotary oil cylinder is a rotatable oil cylinder without an oil drainage structure, the structure is compact, the tension is large, the pull rod can independently rotate by 0-360 degrees, and the pull rod can synchronously and linearly move along with the piston. The rotary oil cylinder is used for a fourth shaft of the vertical machining center, is arranged inside the machine tool protection room, does not need to be provided with holes in the machine tool protection room, and is safe and reliable to use.
Description
Technical Field
The invention relates to a rotary oil cylinder, in particular to a non-oil drainage rotary oil cylinder for a vertical fourth shaft.
Background
The oil cylinders applied to the lathe spindle are two types of rotary oil cylinders and rotary air cylinders. The volume of the rotary cylinder is larger than that of the rotary cylinder, the reliability is inferior to that of the rotary cylinder, the tension force provided by the rotary cylinder is limited by air pressure, and the tension force is inferior to that of the rotary cylinder, so that the rotary cylinder is more common. The conventional rotary oil cylinder for the main shaft of the existing lathe comprises an oil inlet, an oil return port and an oil drain port, and the oil drain structure is designed, so that the corresponding oil drain pipe is required to be configured to guide hydraulic oil back to the hydraulic station. The oil drain pipe of the rotary oil cylinder is in a natural sagging state, and moves left and right and back and forth along with a lathe workbench in the lathe machining process. For a common lathe, the main shaft of the rotary oil cylinder with the oil drainage structure can be suitable for the common lathe because the main shaft of the rotary oil cylinder is arranged outside a machine tool protection room. When the vertical machining center is matched with the fourth shaft turntable and the chuck is additionally arranged, as the fourth shaft is positioned in the machine tool protection room, the rotary oil cylinder with the oil drainage structure is arranged in the machine tool protection room, if normal use of the rotary oil cylinder and oil drainage and natural oil return under the action of gravity are required, holes are formed in the machine tool protection room, so that oil can return to a hydraulic station from high to low, but the perforated structure can cause hidden danger of water leakage in the machine tool protection room, in addition, the oil drainage pipe can scrape metal plates and scraps of the machine tool inevitably in the moving process along with the workbench, and the oil drainage pipe is possibly damaged.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the oil-draining-free rotary oil cylinder for the vertical fourth shaft, which has the advantages of compact structure, large tensile force, safe and reliable use.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a be used for standing to add fourth axle do not have drain rotary cylinder, includes the rotation part and the hydro-cylinder of coaxial setting, rotation part include pull rod, plane bearing, bearing frame and mount pad, the bearing frame can install with rectilinear motion in the mount pad, plane bearing install in the bearing frame, one end of pull rod be used for connecting the chuck of standing to add fourth axle revolving stage on installation, the other end of pull rod stretch into in the mount pad with plane bearing connect, the hydro-cylinder include piston and cylinder body, the one end of cylinder body with mount pad fixed connection, the piston can rectilinear motion install in the cylinder body, the one end of piston stretch out the cylinder body with bearing frame fixed connection, the middle part of piston an organic whole be provided with radial bulge loop, the cylinder body in be equipped with first oil pocket and second oil pocket, first oil pocket and second oil pocket locate respectively the axial both sides of radial bulge loop, the lateral wall of cylinder body on be provided with first oil pocket and second oil pocket, first oil pocket and first oil pocket communicate with each other.
The rotary oil cylinder is a rotatable oil cylinder without an oil drainage structure, has a compact structure and large pulling force, the pull rod of the rotary oil cylinder can independently rotate by 0-360 degrees, and the pull rod can synchronously and linearly move along with the piston. The rotary oil cylinder is used for the fourth shaft of the vertical machining center, is arranged in the machine tool protection room, does not need to be perforated on the machine tool protection room, and is safe and reliable to use.
The working principle of the rotary oil cylinder of the invention is as follows: hydraulic oil enters the first oil cavity through the first oil port to push the piston to move to the limit position far away from the mounting seat, the piston is a pulling force on the pull rod at the moment, the pull rod pulls the chuck to clamp, so that a workpiece on the chuck is clamped, the vertical machining center can carry out feeding machining on the workpiece, and in the machining process, the pull rod and the bearing seat can synchronously rotate along with the chuck; when the workpiece is required to be loosened, the first oil port returns oil, the second oil port returns oil, the piston is pushed to move to the limit position close to the mounting seat, the piston is pushing force to the pull rod, the pull rod pushes the chuck to loosen the workpiece, and the vertical machining center can perform blanking operation on the workpiece.
Preferably, the other end of the pull rod is fixed with a spacer bush, the number of the two plane bearings is two, and the two plane bearings are respectively arranged on the spacer bush. The two plane bearings are mounted through the spacer bush, and the assembly is convenient. The design of the two plane bearings can improve the reliability of the rotation action of the pull rod.
Preferably, the other end of the pull rod is integrally provided with a radial positioning ring and is in threaded connection with a compression ring, and the spacer is clamped by the radial positioning ring and the compression ring. The spacer bush is fixed through the radial positioning ring and the pressing ring, so that the structure is simple, and the assembly is convenient.
Preferably, the cylinder cover is arranged at the other end of the cylinder body, the other end of the piston extends out of the cylinder cover, the transmitting plate is fixed at the other end of the piston, the cylinder cover is connected with a first signal switch and a second signal switch which are matched with the transmitting plate, and the first signal switch and the second signal switch are respectively arranged at two limit positions of the linear motion of the piston. Under the activation of the signaling plate, the first signal switch and the second signal switch feed back the position information of the piston to the machine tool control system, and the robot or the manipulator can be activated to perform corresponding feeding and discharging actions. The design of the signaling plate, the first signal switch and the second signal switch can realize in-place detection of the piston and meet the requirement of automatic processing.
Preferably, a first U-shaped sealing ring is arranged between one end of the piston and the cylinder body, the first U-shaped sealing ring is fixed on the cylinder body, a rotary pressure seal and an O-shaped sealing ring are arranged between the radial convex ring and the cylinder body, the rotary pressure seal and the O-shaped sealing ring are respectively fixed on the radial convex ring, a second U-shaped sealing ring is arranged between the other end of the piston and the cylinder cover, and the second U-shaped sealing ring is arranged on the cylinder cover. The sealing structures can have good contact sealing effect on the oil cylinder and prevent oil leakage.
Preferably, one end of the pull rod is provided with an internal threaded hole, the chuck is fixedly provided with a connecting rod, the pull rod is in threaded connection with the connecting rod, the side wall of the mounting seat is provided with a jack, the pull rod is provided with a positioning hole matched with the jack, when the bearing seat drives the pull rod to move to the position where the positioning hole is opposite to the jack, a metal rod is inserted into the jack and the positioning hole, the pull rod is fixed, and the connecting rod can be in threaded connection with the pull rod at the moment. The jack and the positioning hole are matched, so that a good anti-rotation effect can be achieved on the pull rod, and the assembly efficiency is prevented from being influenced due to rotation of the pull rod in the threaded connection process of the connecting rod and the pull rod.
Preferably, the side wall of the mounting seat is provided with an oil hole, and the oil hole is used for filling lubricating grease. The grease plays a role in lubricating the rotation of the rotating portion.
Preferably, the outer peripheral wall of the bearing seat is provided with a plurality of annular oil grooves, and the oil grooves are used for storing lubricating grease.
Preferably, the piston is fixedly connected with the bearing seat through a bolt, and the bolt penetrates through the bearing seat to be in threaded connection with the piston.
Compared with the prior art, the invention has the following advantages: the rotary oil cylinder is a rotatable oil cylinder without an oil drainage structure, has a compact structure and large pulling force, the pull rod of the rotary oil cylinder can independently rotate by 0-360 degrees, and the pull rod can synchronously and linearly move along with the piston. The rotary oil cylinder is used for the fourth shaft of the vertical machining center, is arranged in the machine tool protection room, does not need to be perforated on the machine tool protection room, and is safe and reliable to use.
Drawings
FIG. 1 is a schematic cross-sectional view of a rotary cylinder in a left limit position according to an embodiment;
FIG. 2 is a schematic cross-sectional view of the rotary cylinder in the right extreme position according to the embodiment;
FIG. 3 is an external appearance effect diagram of the rotary cylinder after installation in the embodiment;
Fig. 4 is a schematic sectional view of the rotary cylinder according to the embodiment after installation.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
The embodiment is used for adding the rotary cylinder without oil drainage of the fourth shaft immediately, as shown in fig. 1 and 2, including the rotary part and the cylinder that set up coaxially, the rotary part includes pull rod 1, the plane bearing 2, bearing frame 31 and mount pad 32, the bearing frame 31 can install in the mount pad 32 with rectilinear motion, the plane bearing 2 is installed in the bearing frame 31, one end of pull rod 1 is used for connecting and adding the chuck 71 installed on the fourth shaft revolving stage 7 immediately, the other end of pull rod 1 stretches into the mount pad 32 and is connected with plane bearing 2, the cylinder includes piston 41 and cylinder body 42, one end and mount pad 32 of cylinder body 42 are fixedly connected, piston 41 can install in cylinder body 42 with rectilinear motion, one end of piston 41 stretches out cylinder body 42 and is fixedly connected with bearing frame 31, the middle part of piston 41 is integrally provided with radial bulge loop 43, be equipped with first oil pocket 44 and second oil pocket 45 in the cylinder body 42, first oil pocket 44 and second oil pocket 45 are located radial bulge loop 43's axial both sides respectively, be provided with first oil pocket 46 and second oil pocket 47 on the lateral wall of cylinder body 42, first oil pocket 46 communicates with first 44, second oil pocket 47 and second oil pocket 45 are connected with signal transmission plate 52 that the other end of cylinder body 48 is connected with second oil pocket 48, signal transmission plate that the other end of piston 41 is connected with second piston 41 and second cylinder cover 48, signal transmission plate 52 that the other end is connected with signal transmission plate 52 is connected with the other end of piston 41, signal transmission plate 52 is fixedly with the other end of piston 41.
In this embodiment, the other end of the pull rod 1 is provided with a radial positioning ring 11 and is in threaded connection with a compression ring 12 and fixed with a spacer bush 13, the number of the two plane bearings 2 is two, the two plane bearings 2 are respectively installed on the spacer bush 13, and the spacer bush 13 is clamped by the radial positioning ring 11 and the compression ring 12.
In this embodiment, a first U-shaped sealing ring 61 is disposed between one end of the piston 41 and the cylinder 42, the first U-shaped sealing ring 61 is fixed on the cylinder 42, a rotary pressure seal 62 and an O-shaped sealing ring 63 are disposed between the radial convex ring 43 and the cylinder 42, the rotary pressure seal 62 and the O-shaped sealing ring 63 are respectively fixed on the radial convex ring 43, a second U-shaped sealing ring 64 is disposed between the other end of the piston 41 and the cylinder cover 48, and the second U-shaped sealing ring 64 is mounted on the cylinder cover 48.
In this embodiment, an internally threaded hole 14 is formed at one end of the pull rod 1, a connecting rod 72 is fixed on the chuck 71, the pull rod 1 is in threaded connection with the connecting rod 72, a jack 33 is formed on the side wall of the mounting seat 32, a positioning hole 15 adapted to the jack 33 is formed on the pull rod 1, when the bearing seat 31 drives the pull rod 1 to move to a position where the positioning hole 15 is opposite to the jack 33, a metal rod (not shown in the figure) is inserted into the jack 33 and the positioning hole 15, the pull rod 1 is fixed, and at this time, the connecting rod 72 can be in threaded connection with the pull rod 1.
In this embodiment, the side wall of the mounting seat 32 is provided with an oil hole 34, the oil hole 34 is used for filling grease, and the outer peripheral wall of the 4 bearing seat 31 is provided with a plurality of annular oil grooves 35, wherein the oil grooves 35 are used for storing grease.
In this embodiment, the piston 41 is fixedly connected to the bearing housing 31 by a bolt 49, and the bolt 49 passes through the bearing housing 31 to be screwed to the piston 41.
The rotary oil cylinder is used for a fourth shaft of a vertical machining center, is arranged inside a machine tool protection room, does not need to be perforated in the machine tool protection room, is safe and reliable to use, and the pull rod 1 can independently rotate by 0-360 degrees and can synchronously and linearly move along with the piston 41. The effect diagram of the rotary cylinder after installation is shown in fig. 3 and 4.
The working principle of the rotary oil cylinder is as follows: hydraulic oil enters the first oil cavity 44 through the first oil port 46, pushes the piston 41 to move to a limit position (namely a right limit position shown in fig. 2) far away from the mounting seat 32, at this time, the piston 41 acts as a pulling force on the pull rod 1, the pull rod 1 pulls the chuck 71 to clamp, so that a workpiece (not shown in the figure) on the chuck 71 is clamped, the first signal switch 52 feeds back the position of the piston 41 to a machine tool control system, a robot or a manipulator (not shown in the figure) of a vertical machining center can be activated to carry out feeding machining on the workpiece, and in the machining process, the pull rod 1 and the bearing seat 31 can synchronously rotate along with the chuck 71; when the workpiece needs to be loosened, the first oil port 46 returns oil, the second oil port 47 returns oil, the piston 41 is pushed to move to a limit position (namely a left limit position shown in fig. 1) close to the mounting seat 32, at the moment, the piston 41 is a pushing force to the pull rod 1, the pull rod 1 pushes the chuck 71 to loosen the workpiece, the second signal switch 53 feeds back the position of the piston 41 to the machine tool control system, and a robot or a manipulator of the vertical machining center can be activated to perform blanking operation on the workpiece.
Claims (5)
1. The rotary cylinder without oil drainage for vertically adding a fourth shaft is characterized by comprising a rotary part and an oil cylinder which are coaxially arranged, wherein the rotary part comprises a pull rod, a plane bearing, a bearing seat and an installation seat, the bearing seat is installed in the installation seat in a linear motion manner, the plane bearing is installed in the bearing seat, one end of the pull rod is used for being connected with a chuck installed on a vertically adding fourth shaft turntable, the other end of the pull rod extends into the installation seat and is connected with the plane bearing, the oil cylinder comprises a piston and a cylinder body, one end of the cylinder body is fixedly connected with the installation seat, the piston is linearly movably installed on the cylinder body, one end of the piston extends out of the cylinder body and is fixedly connected with the bearing seat, a radial convex ring is integrally arranged in the middle of the piston, a first oil cavity and a second oil cavity are respectively arranged on two sides of the radial convex ring, the side wall of the cylinder body extends into the installation seat and is connected with the plane bearing seat, a signal transmission port is respectively arranged on the two ends of the piston, a signal transmission port is fixedly connected with the two transmission ports on the other end of the cylinder cover, a signal transmission port is fixedly connected with the two transmission ports on the piston, the two transmission ports are respectively arranged on the two transmission ports are fixedly connected with the other end of the piston, the signal transmission port is fixedly connected with the two transmission port, the first signal switch and the second signal switch are respectively arranged at two limit positions of the linear motion of the piston, a first U-shaped sealing ring is arranged between one end of the piston and the cylinder body, the first U-shaped sealing ring is fixed on the cylinder body, a rotary pressure seal and an O-shaped sealing ring are arranged between the radial convex ring and the cylinder body, the rotary pressure seal and the O-shaped sealing ring are respectively fixed on the radial convex ring, a second U-shaped sealing ring is arranged between the other end of the piston and the cylinder cover, the second U-shaped sealing ring is arranged on the cylinder cover, an internal threaded hole is formed at one end of the pull rod, a connecting rod is fixed on the chuck, the pull rod is in threaded connection with the connecting rod, a jack is formed in the side wall of the mounting seat, a positioning hole matched with the jack is formed in the pull rod, when the bearing seat drives the bearing seat to move to the jack to be opposite to the position, a metal rod is inserted into the jack and the positioning hole, and the connecting rod can be connected with the connecting rod in a threaded manner.
2. The oil drainage-free rotary oil cylinder for the vertical fourth shaft according to claim 1, wherein the other end of the pull rod is integrally provided with a radial positioning ring and is in threaded connection with a compression ring, and the spacer is clamped by the radial positioning ring and the compression ring.
3. The oil-draining-free rotary oil cylinder for the vertical fourth shaft according to claim 1, wherein the side wall of the mounting seat is provided with an oil hole, and the oil hole is used for filling lubricating grease.
4. The oil-draining-free rotary oil cylinder for the vertical fourth shaft according to claim 3, wherein a plurality of annular oil grooves are formed in the peripheral wall of the bearing seat, and the oil grooves are used for storing lubricating grease.
5. The oil drain-free rotary cylinder for a vertical fourth shaft according to claim 1, wherein the piston is fixedly connected with the bearing seat by a bolt, and the bolt passes through the bearing seat to be in threaded connection with the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110952293.3A CN113738733B (en) | 2021-08-19 | 2021-08-19 | A no draining rotary cylinder for immediately, add fourth axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110952293.3A CN113738733B (en) | 2021-08-19 | 2021-08-19 | A no draining rotary cylinder for immediately, add fourth axle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113738733A CN113738733A (en) | 2021-12-03 |
| CN113738733B true CN113738733B (en) | 2024-05-17 |
Family
ID=78731749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110952293.3A Active CN113738733B (en) | 2021-08-19 | 2021-08-19 | A no draining rotary cylinder for immediately, add fourth axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113738733B (en) |
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| CN204308654U (en) * | 2014-12-11 | 2015-05-06 | 宁波海天精工股份有限公司 | A kind of main shaft is forged a knife oil cylinder |
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| CN110242685A (en) * | 2019-06-17 | 2019-09-17 | 宁波海天精工股份有限公司 | A kind of rotation shaft brake device with safety function |
| CN213392939U (en) * | 2020-08-27 | 2021-06-08 | 浙江京速机床附件有限公司 | Inner-cooling type rotary oil cylinder |
| CN216131176U (en) * | 2021-08-19 | 2022-03-25 | 宁波海天精工股份有限公司 | Oil drainage-free rotary oil cylinder for vertical addition of fourth shaft |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6854429B2 (en) * | 2002-11-25 | 2005-02-15 | Vladimir Gelfand | Engine with double sided piston |
-
2021
- 2021-08-19 CN CN202110952293.3A patent/CN113738733B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2906540A (en) * | 1955-07-27 | 1959-09-29 | Butterworth British Automatic | Hydraulically operated chucks |
| US3807259A (en) * | 1972-10-26 | 1974-04-30 | Buck Tool Co | Draw-bar actuator |
| US6190149B1 (en) * | 1999-04-19 | 2001-02-20 | Stokes Vacuum Inc. | Vacuum pump oil distribution system with integral oil pump |
| CN2708021Y (en) * | 2004-03-02 | 2005-07-06 | 华南理工大学 | Precise rotary oil cylinder |
| CN202399067U (en) * | 2011-12-30 | 2012-08-29 | 山东普利森集团有限公司 | Hydraulic clamp special for processing wheel shell |
| CN204308654U (en) * | 2014-12-11 | 2015-05-06 | 宁波海天精工股份有限公司 | A kind of main shaft is forged a knife oil cylinder |
| CN106424773A (en) * | 2016-12-14 | 2017-02-22 | 济南第机床有限公司 | Rotating and telescopic sub-spindle device with tight break |
| CN206425561U (en) * | 2016-12-14 | 2017-08-22 | 济南第一机床有限公司 | One kind revolution, scalable, band are stopped tight secondary main shaft device |
| CN110242685A (en) * | 2019-06-17 | 2019-09-17 | 宁波海天精工股份有限公司 | A kind of rotation shaft brake device with safety function |
| CN213392939U (en) * | 2020-08-27 | 2021-06-08 | 浙江京速机床附件有限公司 | Inner-cooling type rotary oil cylinder |
| CN216131176U (en) * | 2021-08-19 | 2022-03-25 | 宁波海天精工股份有限公司 | Oil drainage-free rotary oil cylinder for vertical addition of fourth shaft |
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| CN113738733A (en) | 2021-12-03 |
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