CN109414765A - Structural body and rotary cylinder - Google Patents
Structural body and rotary cylinder Download PDFInfo
- Publication number
- CN109414765A CN109414765A CN201780040006.3A CN201780040006A CN109414765A CN 109414765 A CN109414765 A CN 109414765A CN 201780040006 A CN201780040006 A CN 201780040006A CN 109414765 A CN109414765 A CN 109414765A
- Authority
- CN
- China
- Prior art keywords
- cyclic annular
- cylinder
- peripheral surface
- extension
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
-
- 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
- B23B31/305—Chucks characterised by features relating primarily to remote control of the gripping means using fluid-pressure means in the chuck the gripping means is a deformable sleeve
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
- Actuator (AREA)
- Gripping On Spindles (AREA)
Abstract
As an example by rotary cylinder, providing one kind simply can prevent the branding of component or the structural body of the generation of leakage (such as rotary supporting body) for the amount of screwing of the piping of rotary cylinder for proper range.According to the present invention, a kind of structural body is provided, the cartridge unit with the through hole for being formed with the 1st threaded portion in inner peripheral surface and the piping with the 2nd threaded portion for being screwed together in the 1st threaded portion from the cardinal extremity opening side of the cartridge unit while having the fluid channel portion of chimeric recess portion that is formed with, be fitted into along cylinder center line from front opening side relative to the chimeric recess portion.
Description
[technical field]
The present invention relates to structural bodies and rotary cylinder.
[background technique]
Before, for example, having the gas that there is sliding eye in rotation center in patent document 1 in disclosed rotary cylinder
Cylinder main body, the piston that the sliding eye is slideably intercalated in along the rotation center are pivotably supported institute by bearing
State the rotary supporting body of cylinder main body, be formed on the cylinder main body extended around rotation center with ring-type and be opened on it is described
The cylinder chamber of sliding eye.The piston has around the annular flange portion of rotation center rotation, which is contained in institute
Cylinder chamber is stated, which is divided into the 1st and the 2nd space along rotation center.The periphery wall of the cylinder main body is formed with
It is open at one end in the 1st space and the other end is opened on the 1st fluid guide hole and one end of the outer peripheral surface of the cylinder main body
To the 2nd space openings and the other end is opened on the 2nd fluid guide hole of the outer peripheral surface of the cylinder main body.The rotation support
The inner peripheral surface of body is formed with the groove portion of cricoid 1st and the 2nd groove portion, the 1st and the 2nd enclosed and be rotated about the center of rotation and corresponds respectively to
Each other end part of 1st and the 2nd fluid guide hole.Also, on the one hand make fluid by the 1st groove portion and described the
1 fluid guide hole flows into the 1st space, and makes fluid from the 2nd space by the 2nd fluid guide hole and the described 2nd
Groove portion outflow, alternatively, fluid is on the one hand made to flow into the 2nd space by the 2nd fluid guide hole and the 2nd groove portion,
And flow out fluid by the 1st groove portion and the 1st fluid guide hole from the 1st space, to make the piston edge
Rotation center sliding.
[existing technical literature]
[patent document]
[patent document 1] Japanese Unexamined Patent Publication 2006-21313 bulletin
[summary of the invention]
[solving the problems, such as]
However, as the periphery wall of the rotary supporting body of the rotary cylinder of patent document 1 is equipped with 2 pipings in the described 1st
Groove portion and the corresponding position of the 2nd groove portion.The end being respectively piped is equipped with outer screw section, and the periphery wall shape of the rotary supporting body
At there is the threaded hole that there is female threaded portion in inner peripheral surface, the outer screw section of piping is screwed into make to match in the female threaded portion of the threaded hole
Pipe and rotary supporting body are connected with each other.
However, in the rotary cylinder of such as patent document 1, it is however generally that, since the operation that is screwed into of piping is by staff
It is manually operated, the operation that is screwed into of the piping of each staff would tend to occur unevenly.To if matching by staff
If the amount of screwing of pipe is more than proper range, the female threaded portion of the outer screw section and rotary supporting body that are piped would generally be in order to mention
High mutual adaptation and the conical surface of outer screw section for constituting cone cell, therefore being piped can expand threaded hole and become rotary supporting body
Shape, to make between rotary supporting body and cylinder main body there is no gap, in the rotation of cylinder main body because rotary supporting body with
The contact of cylinder main body and make to be possible to generate branding in each component, if being less than by the amount of screwing of the piping of staff suitable
Work as range, the adaptation between the outer screw section of piping and the female threaded portion of rotary supporting body is lower, and being possible to can be from the portion
Divide and leaks out fluid.
The present invention has been made in view of such circumstances, it is intended that as an example by rotary cylinder, providing
A kind of generation for the branding or leakage that the amount of screwing of the piping of rotary cylinder simply can be prevented into component for proper range
Structural body (such as rotary supporting body).
[solution to problem]
According to the present invention, a kind of structural body is provided, has the fluid channel portion of chimeric recess portion that is formed with, relative to described
With the through hole for being formed with the 1st threaded portion in inner peripheral surface while chimeric recess portion is chimeric from front opening side along cylinder center line
Cartridge unit and piping with the 2nd threaded portion for being screwed together in the 1st threaded portion from the cardinal extremity opening side of the cartridge unit.
In structural body of the invention, when the 2nd threaded portion of piping is screwed into 1 threaded portion of cartridge unit by staff,
Since structure phosphor bodies and cartridge unit are mutually different individual, even if if the amount of screwing of piping becomes larger and sends out cartridge unit
Change shape, and deformed part is difficult to influence structural body, so that the deformation of structural body can become smaller.Therefore, compared to such as patent text
Offer the structural body of 1 rotary cylinder, the proper range of the amount of screwing of piping substantially becomes wider, thus even if staff
It is uneven to be screwed into the how many appearance of operation, as between the excessive deformation of structural body, or the 1st threaded portion and the 2nd threaded portion of piping
Adaptation the case where being lower tail off, prevent between the 1st threaded portion of piping and the 2nd threaded portion leakage or structural body iron
Print.
Various embodiments of the invention illustrated below.Embodiment described below can be combined with each other.
It is preferred that the 1st threaded portion and the 2nd threaded portion have taper, respectively female threaded portion and outer screw section.
It is preferred that the inner peripheral surface of the chimeric recess portion is equipped with cyclic annular inside extension and recessed bar groove portion, the cyclic annular inside is stretched
Portion is in such a way that the inner end side inner peripheral surface diameter for being fitted into recess portion is less than open side inner peripheral surface diameter, with ladder-like stretching out
Mode is formed；The recessed bar groove portion be formed in than extension on the inside of the ring-type closer to the chimeric recess portion open side position
Set, and extended along the cyclic annular inside extension with ring-type, cartridge part have be set to front opening side cylindrical portion,
And the cyclic annular outside extension for being continuously set to the cylindrical portion and being stretched out from the outer peripheral surface of the cylindrical portion towards outside, it is described
Cartridge unit is configured in the following way install: so that the cylindrical portion is intercalated in the inside of the cyclic annular inside extension, together
When so that the cyclic annular outside extension is intercalated in the part in addition to the cyclic annular inside extension of the chimeric recess portion, and will
Retaining ring is embedded in the recessed bar groove portion and clamps the cyclic annular outside extension with the retaining ring and the cyclic annular inside extension.
It is preferred that the cylinder center of each central part and cartridge part of the cylindrical portion and the cyclic annular outside extension
Line is consistent.
It is preferred that the central part of the cylindrical portion is eccentric relative to the cylinder center line of cartridge part.
It is preferred that being equipped between the inner peripheral surface of the cyclic annular inside extension and the outer peripheral surface of the cylindrical portion by rubber material
Cricoid 1st seal member constituted, the 1st seal member extend through complete cycle and contact the interior of the cyclic annular inside extension
The outer peripheral portion of the outer peripheral surface of circumferential surface and the cylindrical portion, the cyclic annular outside extension is formed with cyclic annular inclined surface, the ring
Shape inclined surface tilts in a manner of with moving closer to close to the front end side of cartridge part in the cylinder center line of the cartridge unit,
Cricoid 2nd sealing being made of rubber material is equipped between the cyclic annular inside extension and the cyclic annular inclined surface
Part, while the 2nd seal member contacts the cyclic annular inside extension and the cyclic annular inclined surface with extending through complete cycle
Outer peripheral portion contacts the inner peripheral surface of the part in addition to the cyclic annular inside extension of the chimeric recess portion through complete cycle.
It is preferred that rotary cylinder has the rotary supporting body that axis supports the cylinder main body of piston and axis to support the cylinder main body,
The rotary cylinder is constituted are as follows: if fluid to be flowed into the cylinder chamber being set between the rotary supporting body and the cylinder main body
And pressing the piston, then the cylinder main body is rotated centered on rotary shaft and the piston can be sliding along the rotary shaft
It is dynamic.
It is preferred that rotary cylinder, have the cylinder main body that there is sliding eye in rotation center, in the sliding eye along institute
State rotation center slideably the piston of intercalation, by the cylinder main body support as can around the rotation center rotation rotation
Supporter, the cylinder main body are formed with around the rotation center with the cyclic annular cylinder extended and be opened on the sliding eye
Room, the piston, which is equipped with, to be extended with ring-type around the rotation center and is contained in the cylinder chamber and is divided into the cylinder chamber
The flange portion in the 1st and the 2nd space, the cylinder main body and the rotary supporting body are equipped with by making fluid enter and leave described the
1 and the 2nd space and the fluid for sliding the piston along the rotation center enters and leaves means, the fluid enters and leaves means tool
Standby: fluid channel portion, one end, which is opened on the 1st or the 2nd space and is formed in the other end, is opened on the rotation branch
The chimeric recess portion of the outer peripheral surface of support body；Cartridge unit, it is embedding from front opening side along cylinder center line relative to the chimeric recess portion
Through hole with the female threaded portion for being formed with conical by its shape in inner peripheral surface while conjunction；And piping, have from the canister portion
The cardinal extremity opening side of part is screwed together in the outer screw section of the conical by its shape of the female threaded portion.
[Detailed description of the invention]
Fig. 1 is the sectional view of rotary cylinder involved in embodiments of the present invention 1.
Fig. 2 is the II direction view of Fig. 1.
Fig. 3 is the slip state for indicating piston, is equivalent to the figure of Fig. 1.
Fig. 4 is the IV direction view of Fig. 2.
Fig. 5 is the sectional view of the V-V line of Fig. 4.
Fig. 6 is the figure that Fig. 5 is equivalent to involved in embodiments of the present invention 2.
Fig. 7 is the sectional view of the VII-VII line of Fig. 6.
[specific embodiment]
It is described in detail below based on embodiments of the present invention referring to attached drawing drawing.It should be noted that below preferred
The explanation of embodiment is only to illustrate.It, will especially for structural body (rotary supporting body) of the present invention is illustrated
Be installed on the lathes such as lathe, can rotatable support chuck device while carry out by the chuck assembly holding movement or
The rotary cylinder of the releasing movement of person's gripping state is illustrated as an example.
(embodiment 1 of invention)
Fig. 1 and Fig. 2 indicates rotary cylinder 1 involved in embodiments of the present invention 1.The rotatable support of rotary cylinder 1
The chuck assembly (not shown) for being installed on the lathes such as lathe simultaneously, is carried out by the holding movement of the chuck assembly or gripping state
Releasing movement, and have the cylinder main body 2 of substantially T-shaped from the side.
The cylinder main body 2 has: as cylindric rotation axle portion 2a；It is continuously set to one end of rotation axle portion 2a,
And the consistent rotational circle pan portion 2b of cylinder center line of central axis and the rotation axle portion 2a.The cylinder main body 2 can be with the rotation
The central axis of the cylinder center line of shaft 2a and the rotational circle pan portion 2b surround rotation center C1 as rotation center C1
Rotation.
The rotation center C1 of the cylinder main body 2 is formed with the sliding eye 20 of both ends open, the rotational circle pan portion 2b shape
Extended and with cyclic annular in the cylinder chamber 10 of the sliding eye 20 opening at having around the rotation center C1.
The coupling part of the rotational circle pan portion 2b outer peripheral surface the and described rotation axle portion 2a outer peripheral surface is formed with along institute
Rotation center C1 is stated with ladder-like outwardly projecting ring portion 2f.
Also, the other end of the rotation axle portion 2a, which is equipped with towards the direction orthogonal with rotation center C1, to be protruded, simultaneously
The cricoid stop member 2g extended around rotation center C1, stop member 2g, which is located at from the circle portion 2f, has specified interval
Position.
In addition, the outer peripheral surface in the rotation axle portion 2a is embedded with as cricoid a pair of bearings B1, the pair of bearing
B1 is disposed adjacent in the circle portion 2f and stop member 2g between the circle portion 2f and the stop member 2g and respectively.
In addition, it is described rotation the axle portion 2a and rotational circle pan portion 2b periphery wall be formed with the 1st fluid guide hole 2d with
And the 2nd one end of fluid guide hole 2e, the 1st fluid guide hole 2d and the 2nd fluid guide hole 2e be open in the cylinder chamber 10, and
Outer peripheral surface middle part opening of the other end in the rotation axle portion 2a.
20 intercalation of sliding eye has piston 3, and the piston 3 can be slided along the rotation center C1.
The piston 3 has the cylinder center line and the rotation center of cylindrical portion 3a and flange portion 3b, the cylindrical portion 3a
C1 is consistent, and the outside side of the outer peripheral surface of the flange portion 3b from cylindrical portion 3a is prominent, and around the rotation center C1 with
Ring-type extends, as shown in figure 3, flange portion 3b is contained in the cylinder chamber 10 and by the prolonging with rotation center C1 of cylinder chamber 10
Length direction is divided into the 1st space 10a and the 2nd space 10b.
The end for leaving the side rotational circle pan portion 2b of the cylindrical portion 3a is equipped with the opening portion for blocking the end
The housing 3c divided.
It is equipped with around the rotation axle portion 2a and supports the rotation axle portion 2a and revolve it can around the rotation center C1
The rotary supporting body 4 turned.
The rotary supporting body 4 has annulus 41, fluid storage portion 44 and a coating member 45, the annulus 41 it is interior
The center of diameter is consistent with the rotation center C1, and the fluid storage portion 44 is arranged in the lower part of the annulus 41 and is formed up and down
Short tubular, the coating member 45 are fixed on the open side edge of a side of the annulus 41 and cover the rotation axle portion 2a
Another side and the piston 3 the side housing 3c, the annulus 41 in the rotation center C1 axis have axis branch hole
41a。
It is corresponding between described two bearing B1 of the inner peripheral surface for the axis branch hole 41a for forming the annulus 41
Position is formed with the cyclic annular wide width part 41b extended around the rotation center C1 with ring-type, before ring-type wide width part 41b
Small gap is equipped between end face and the outer peripheral surface of the rotation axle portion 2a.
The ring-type of described two bearing B1 between the inner peripheral surface except the axis branch hole 41a for forming the annulus 41
Between part and the outer peripheral surface for rotating axle portion 2a other than wide width part 41b, the cylinder main body 2 is by described two bearings
B1 is rotated relative to the rotary supporting body 4 around rotation center C1.
The cricoid 1st groove portion 41c that the front end face of the ring-type wide width part 41b and being equipped with extends around rotation center C1 with
And the 2nd groove portion 41d, the 1st groove portion 41c correspond to the other end of the 1st fluid guide hole 2d, the 2nd groove portion 41d is corresponding
In the other end of the 2nd fluid guide hole 2e.
It is open as shown in Fig. 2, the one side of the annulus 41 is formed in outer peripheral surface, and by the 1st interconnecting part 42a
With the 1st chimeric recess portion 42 of the 1st groove portion 41c connection；And it is open in outer peripheral surface, and by the 2nd interconnecting part 43a and institute
State the 2nd chimeric recess portion 43 of the 2nd groove portion 41d connection.
As shown in figure 5, the inner end side inner peripheral surface of the 1st chimeric recess portion 42 be formed with diameter be less than the 1st be fitted into it is recessed
The cyclic annular inside extension 42b that the mode of the open side inner peripheral surface in portion 42 is stretched out.
Also, edge is formed with from ring-type inside extension 42b to the inner peripheral surface of the open side of the described 1st chimeric recess portion 42
The recessed bar groove portion 42c that is extended with ring-type of the cyclic annular inside extension 42b.
Since the structure of the described 2nd chimeric recess portion 43 is identical as the described 1st chimeric recess portion 42, omit specifically
It is bright.
The 1st fluid guide hole 2d, the 1st groove portion 41c, the 1st interconnecting part 42a and the 1st chimeric recess portion
42 constitute the 1st fluid channel portion 11a, the 2nd fluid guide hole 2e, the 2nd groove portion 41d, the 2nd interconnecting part of the invention
43a and the 2nd chimeric recess portion 43 constitute the 2nd fluid channel portion 11b of the invention, and the one of the 1st fluid channel portion 11a
End is open in the 1st space 10a, and one end of the 2nd fluid channel portion 11b is open in the 2nd space 10b.
It is passed through as shown in Fig. 2, being fitted into have to have along cylinder center line C2 in the described 1st chimeric recess portion 42 along cylinder center line C2
The cartridge unit 5 of logical through hole 5a.
It is set to the cylindrical portion 51 of front opening side as shown in figure 5, cartridge part 5 has, is continuously set to the cylinder
Portion 51 and the cyclic annular outside extension 52 stretched out from the outer peripheral surface of the cylindrical portion 51 towards outside, the cardinal extremity of cartridge part 5
The inner peripheral surface of open side is formed with the female threaded portion 5b of conical by its shape.
The cylinder center of each central part and cartridge part 5 of the cylindrical portion 51 and the cyclic annular outside extension 52
Line C2 is consistent.
The outer peripheral surface of the cylindrical portion 51 is formed with the seal member recessed bar ditch extended around cylinder center line C2 with ring-type
51b, cricoid 1st seal member 6 being made of rubber material are embedded in seal member recessed bar ditch 51b.
Also, as shown in Fig. 2, the outer peripheral surface landform parallel with cylinder center line C2 in the cardinal extremity opening side of cartridge part 5
At a pair of of the flat part 5c having as the part for tangling tool etc..
As shown in figure 5, the outer peripheral portion of the cyclic annular outside extension 52 is formed with cyclic annular inclined surface 52a, the ring-type
Inclined surface 52a is tilted in a manner of with moving closer to close to the front end side of cartridge part 5 in cylinder center line C2.
The cyclic annular inside side extension 42b of the open side inner peripheral surface of the 1st chimeric recess portion 42 is configured with by rubber material
Cricoid 2nd seal member 7 constituted, the open side of the outer peripheral portion of the 2nd seal member 7 recess portion 42 chimeric with the described 1st
Inner peripheral surface is contacted throughout complete cycle.
In addition, if cartridge part 5 is inserted into the 1st chimeric recess portion 42,51 intercalation of cylindrical portion from front end side
In the inside of the cyclic annular inside extension 42b, while the cyclic annular outside extension 52 is intercalated in the described 1st chimeric recess portion 42
The part in addition to the cyclic annular inside extension 42b, the inner peripheral surface and the cylinder of extension 42b on the inside of the ring-type
Between the outer peripheral surface in portion 51, inner peripheral surface and the cylindrical portion of the 1st seal member 6 with the cyclic annular inside extension 42b
51 outer peripheral surface is contacted throughout complete cycle.
If also, cartridge part 5 is inserted into the 1st chimeric recess portion 42 from front end side, the cyclic annular outside is stretched out
Portion 52 abuts the cyclic annular inside extension 42b, and the extension 52 on the outside of extension 42b and the ring-type on the inside of the ring-type
Between, the 2nd seal member 7 connects with the cyclic annular inside extension 42b and ring-type inclined surface 52a throughout complete cycle
Touching, at the same the outer peripheral portion recess portion 42 chimeric with the described 1st of the 2nd seal member 7 open side inner peripheral surface (the 1st be fitted into it is recessed
The part in addition to extension 42b on the inside of ring-type in portion 42) it is contacted throughout complete cycle.
In addition, cartridge part 5 by the outside of the ring-type extension 52 abut extension 42b on the inside of the ring-type
Retaining ring 8 is embedded in the recessed bar groove portion 42c under state and the ring is clamped with the retaining ring 8 and the cyclic annular inside extension 42b
Extension 52 on the outside of shape, so that the rotary supporting body 4 is installed on, so as to surround relative to the described 1st chimeric recess portion 42
The cylinder center line C2 rotation.
It should be noted that cartridge part 5 in the same manner as the described 1st chimeric recess portion 42, is also embedded in the 2nd chimeric recess portion
43, and it is installed on the rotary supporting body 4 using retaining ring 8, it can be rotated around cylinder center line C2.
As shown in Fig. 2 and Fig. 4, a side of the annulus 41 is equipped with from the side substantially in the 1st piping of L-shaped
The piping of 9a and the 2nd 9b, the 1st piping 9a and the 2nd piping 9b can make fluid flow in or out the 1st groove portion 41c
And the 2nd groove portion 41d.
As shown in figure 5, the 1st piping 9a has the outer screw section 9c the (the in scope of the claims the " the 2nd of conical by its shape
One example of threaded portion "), cardinal extremity opening side spiral shell of the outer screw section 9c from the cartridge unit 5 for being embedded in the 1st chimeric recess portion 42
Together in the female threaded portion 5b (example of " the 1st threaded portion " in scope of the claims) of the cartridge unit 5.
It should be noted that the 2nd piping 9b has outer screw section 9c same as the 1st piping 9a, the outer screw section
9c is screwed together in the female threaded portion 5b of the cartridge unit 5 from the cardinal extremity opening side for the cartridge unit 5 for being embedded in the 2nd chimeric recess portion 43.
In addition, being made of the 1st fluid channel portion 11a, cartridge part 5 and the 1st piping 9a of the invention
1st fluid enters and leaves means 12a, and is made of the 2nd fluid channel portion 11b, cartridge part 5 and the 2nd piping 9b
2nd fluid of the invention enters and leaves means 12b, so that fluid is flowed into the 1st space if entering and leaving means 12a by the 1st fluid
10a, and by the 2nd fluid enter and leave means 12b flow out fluid from the 2nd space 10b, then the piston 3 along
Rotation center C1 to a Slideslip, and if entering and leaving means 12b by the 2nd fluid makes fluid flow into the 2nd space 10b,
And entering and leaving means 12a by the 1st fluid flows out fluid from the 1st space 10a, then the piston 3 is along rotation
Center C1 slides to the other side.
Embodiment according to the present invention 1 as a result, when the pin thread that staff is piped the piping of 9a and the 2nd 9b for the 1st
When portion 9c is screwed into the female threaded portion 5b of cartridge unit 5, since rotary supporting body 4 and cartridge unit 5 are mutually independent individual, i.e.,
The amount of screwing of the outer screw section 9c of the 1st piping 9a and the 2nd piping 9b is set to become larger and cartridge unit 5 is made to deform, variant part
Divide and is also difficult to influence rotary supporting body 4, thus the deformation of rotary supporting body 4 can tail off.To which the 1st piping 9a and the 2nd matches
The proper range of the amount of screwing of pipe 9b substantially becomes wide compared to the rotary cylinder 1 before of patent document 1, even if staff
The operation that is screwed into occur different degrees of uneven, supporter 4 will not be rotated and deformed excessively, alternatively, the 1st be piped 9a with
And the 2nd piping 9b outer screw section 9c and female threaded portion 5b between adaptation the case where being lower, can prevent the 1st piping 9a with
And the 2nd piping 9b outer screw section 9c and female threaded portion 5b between leakage or rotary supporting body 4 and cylinder main body 2 iron
Print.
Also, the 1st chimeric recess portion 43 of chimeric recess portion 42 and the 2nd only is intercalated in by making cartridge unit 5, and by retaining ring 8
Cartridge unit 5 can be installed on rotary supporting body 4 by insertion recessed bar groove portion 42c, therefore the installation operation of cartridge unit 5 becomes easy,
So as to reduce cost of manufacture.
In addition, due in the cylinder of each central part and cartridge part 5 of cylindrical portion 51 and cyclic annular outside extension 52
Heart line C2 is consistent, therefore cartridge unit 5 can rotate in the 1st and the 2nd chimeric recess portion 42,43 around cylinder center line C2.From
And even if restricting the 1st piping 9a and the in order to avoid the interference with other structures being configured at around rotary cylinder 1
In the case where posture quilt of the 2 piping 9b relative to rotary supporting body 4, by the positive spiral shell that the 1st piping 9a and the 2nd are piped to 9b
Line portion 9c rotates cartridge unit 5 around cylinder center line C2 in the state of being screwed into female threaded portion 5b, also can be with the amount of screwing independently
Make the desired position of posture staff of the 1st piping 9a and the 2nd piping 9b.Also, due to not needing to make band
The amount of screwing is adjusted between the outer screw section 9c and female threaded portion 5b of the 1st piping 9a and the 2nd piping 9b, so work people
The operation that is screwed into of member becomes simple.
In addition, the 2nd seal member 7 not only limit cartridge unit 5 with the movement on cylinder center line C2 orthogonal direction, also limit
Its moving on the direction along cylinder center line C2, therefore cartridge unit 5 is firmly fixed at rotary supporting body 4.Thus, it is possible to
Fluctuation etc. when preventing fluid from flowing through in the 1st piping 9a and the 2nd piping 9b causes cartridge unit 5 to shake on the direction cylinder center line C2
It is dynamic, and thus cause the recess portion 42 chimeric with the 1st of the 1st seal member 6,43 inner peripheral surface and the outer peripheral surface of cylindrical portion 51 rub
It wipes and wears.
The embodiment 2 of invention
Fig. 6 and Fig. 7 indicates rotary cylinder 1 involved in embodiments of the present invention 2.The embodiment 2 and embodiment 1
The difference is that the part-structure of cartridge unit 5 and the 1st, the 2nd chimeric recess portion 42,43 is respectively different, and do not use the 2nd
Seal member 7, it is in addition to this, identical as embodiment 1, therefore the following only explanation part different from embodiment 1.
The front opening side of the through hole 5a of embodiment 2 is configured to the shape that diameter is less than cardinal extremity opening side.
Cylinder center line of the cylinder center line C3 (central part) of the cylindrical portion 51 of embodiment 2 relative to cartridge part 5
C2 is eccentric.
Also, the cyclic annular inside extension 42b of the chimeric recess portion 42 in the 1st of embodiment 2 be formed as with cartridge part 5
Portion of the corresponding mode of cylindrical portion 51 relative to the described 1st chimeric recess portion 42 in addition to the cyclic annular inside extension 42b
Divide and is staggered upwards.
The cyclic annular outside extension 52 of embodiment 2 is formed in the region in addition to the cylindrical portion 51 of cartridge unit 5.
The outer peripheral surface of the cyclic annular outside extension 52 is formed with the cricoid seal member extended around cylinder center line C2
With recessed bar ditch 52b, which is embedded with the 1st seal member 6 with recessed bar ditch 52b.
It should be noted that since the structure of the 2nd chimeric recess portion 43 is identical as the 1st chimeric recess portion 42, assigns and the 1st is embedding
The identical symbol of recess portion 42 is closed, detailed description is omitted.
Embodiment according to the present invention 2 as a result, when staff is piped 9a, the outer screw section of 9b for the 1st and the 2nd
When 9c is screwed into the female threaded portion 5b of cartridge unit 5, cylindrical portion 51 can be stuck in extension 42b on the inside of ring-type, therefore cartridge unit 5 will not enclose
It is rotated around its center line C2.Therefore, it is formed without the outer peripheral surface in cartridge unit 5 and carries out twisting for the 1st and the 2nd piping 9a, 9b
Entering makes the non-rotary part of cartridge unit 5 because tangling tool etc. when operating, and then cartridge unit 5 need not be made from the 1st chimeric recess portion 42
And the 2nd chimeric recess portion 42 protrude, so as to shorten the overall length of cartridge unit 5.
[the utilization possibility in industry]
The present invention is suitable for being installed on the lathes such as lathe, is pivotably supported chuck assembly, and filled by the chuck
The rotary cylinder of the releasing movement of the holding movement or gripping state set.
As described above, according to the present embodiment, as an example by rotary cylinder, it is possible to provide a kind of structural body (such as
Rotary supporting body), the amount of screwing that can simply make it be piped prevents branding or the leakage of component in the appropriate range
Occur.
It illustrates various embodiments according to the present invention, but these are only example, the model of invention cannot be limited with this
It encloses.The embodiments such as this can also be implemented in other modes, without departing from the scope of the invention, Ke Yijin
Row is various to be omitted, displacement, changes.The embodiment or its deformation are also fallen into while each falling within the range or technical idea of invention
In the invention described in the claims and the range being equal with it.
[symbol description]
1 rotary cylinder
2 cylinder main bodies
3 pistons
3b flange portion
4 rotary supporting bodies
5 cartridge units
5b female threaded portion
6 the 1st seal members
7 the 2nd seal members
8 retaining rings
9a the 1st is piped
9b the 2nd is piped
9c outer screw section
10 cylinder chamber
The 1st space 10a
The 2nd space 10b
The 1st fluid channel portion 11a
The 2nd fluid channel portion 11b
The 1st fluid of 12a enters and leaves means
The 2nd fluid of 12b enters and leaves means
20 sliding eyes
42 the 1st chimeric recess portions
43 the 2nd chimeric recess portions
The cyclic annular inside extension of 42b
42c recessed bar groove portion
51 cylindrical portions
52 cyclic annular outside extensions
52a ring-type inclined surface
C1 rotation center
C2 center lines
C3 center lines (central part).
Claims (8)
1. a kind of structural body, has:
Fluid channel portion is formed with chimeric recess portion；
Cartridge unit, it is chimeric from front opening side along cylinder center line relative to the chimeric recess portion, and have in inner peripheral surface
It is formed with the through hole of the 1st threaded portion；And
Piping has the 2nd threaded portion that the 1st threaded portion is screwed together in from the cardinal extremity opening side of the cartridge unit.
2. structural body according to claim 1, wherein the 1st threaded portion and the 2nd threaded portion have conical by its shape, point
It Wei not female threaded portion and outer screw section.
3. structural body according to claim 1 or 2, wherein
The inner peripheral surface of the chimeric recess portion is equipped with cyclic annular inside extension and recessed bar groove portion, and the cyclic annular inside extension is with this
The inner end side inner peripheral surface diameter of chimeric recess portion is less than the mode of open side inner peripheral surface diameter, is formed in a manner of ladder-like stretching；
The recessed bar groove portion be formed in than extension on the inside of the ring-type closer to the chimeric recess portion open side position, and along institute
Extension on the inside of ring-type is stated to extend with ring-type,
Cartridge part has the cylindrical portion for being set to front opening side and is continuously set to the cylindrical portion and from the cylindrical portion
The cyclic annular outside extension that is stretched out towards outside of outer peripheral surface, cartridge part is configured in the following way install: making
The cylindrical portion is intercalated in the inside of the cyclic annular inside extension, while it is described embedding to be intercalated in the cyclic annular outside extension
Close the part in addition to the cyclic annular inside extension of recess portion, and by retaining ring be embedded in the recessed bar groove portion and with the retaining ring and institute
Ring-type inside extension is stated to clamp the cyclic annular outside extension.
4. structural body according to claim 3, wherein
Each central part of the cylindrical portion and the cyclic annular outside extension is consistent with the cylinder center line of cartridge part.
5. structural body according to claim 3 or 4, wherein
The central part of the cylindrical portion is eccentric relative to the cylinder center line of cartridge part.
6. the structural body according to any one of claim 3~5, wherein
The ring being made of rubber material is equipped between the inner peripheral surface of the cyclic annular inside extension and the outer peripheral surface of the cylindrical portion
1st seal member of shape, the 1st seal member respectively with the inner peripheral surface of the cyclic annular inside extension and the cylindrical portion
Outer peripheral surface is contacted throughout complete cycle,
The outer peripheral portion of the cyclic annular outside extension is formed with cyclic annular inclined surface, and the ring-type inclined surface is with close to described
The front end side of cartridge unit and the mode for moving closer to the cylinder center line of the cartridge unit tilts,
Cricoid 2nd sealing being made of rubber material is equipped between the cyclic annular inside extension and the cyclic annular inclined surface
Part, the 2nd seal member are contacted with the cyclic annular inside extension and the cyclic annular inclined surface throughout complete cycle respectively, and
Outer peripheral portion is contacted with the inner peripheral surface of the part in addition to the cyclic annular inside extension of the chimeric recess portion throughout complete cycle.
7. a kind of rotary cylinder, the cylinder main body and axis for having axis support piston support the rotation of the cylinder main body to support
Body, the rotary cylinder are constituted are as follows: if fluid is made to flow into the gas being set between the rotary supporting body and the cylinder main body
Cylinder chamber and press the piston, then the cylinder main body is rotated centered on rotary shaft and the piston can be along the rotary shaft
Sliding,
The rotary cylinder has structural body according to any one of claims 1 to 6.
8. rotary cylinder according to claim 7, has:
Cylinder main body has sliding eye in rotation center；
Piston can slidably be intercalated in the sliding eye along the rotation center；And
Rotary supporting body supports the cylinder main body, rotate the cylinder main body can around the rotation center, the cylinder
Main body is formed with cylinder chamber, is extended around the rotation center with ring-type, and be open in the sliding eye,
The piston be equipped with flange portion, around the rotation center with ring-type extend, and be contained in the cylinder chamber and should
Cylinder chamber is divided into the 1st space and the 2nd space,
The cylinder main body and the rotary supporting body are equipped with fluid and enter and leave means, empty by making fluid enter and leave the described 1st
Between and the 2nd space and slide the piston along the rotation center,
The fluid, which enters and leaves means, to be had:
Fluid channel portion, one end are formed in the 1st space or the 2nd space openings, and in the other end in the rotation
The chimeric recess portion of the outer peripheral surface opening of supporter；
Cartridge unit, it is chimeric from front opening side along cylinder center line relative to the chimeric recess portion, and have in inner peripheral surface
It is formed with the through hole of the female threaded portion of conical by its shape；And
Piping has the outer screw section for the conical by its shape that the female threaded portion is screwed together in from the cardinal extremity opening side of the cartridge unit.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016149545 | 2016-07-29 | ||
| JP2016-149545 | 2016-07-29 | ||
| PCT/JP2017/027622 WO2018021578A1 (en) | 2016-07-29 | 2017-07-31 | Structure and rotary cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109414765A true CN109414765A (en) | 2019-03-01 |
| CN109414765B CN109414765B (en) | 2020-07-31 |
Family
ID=61016919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780040006.3A Active CN109414765B (en) | 2016-07-29 | 2017-07-31 | Structure and rotary cylinder |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP7125234B2 (en) |
| KR (1) | KR102375029B1 (en) |
| CN (1) | CN109414765B (en) |
| TW (1) | TWI722226B (en) |
| WO (1) | WO2018021578A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2107802A (en) * | 1937-11-13 | 1938-02-08 | Cleveland Brass Mfg Company | Means for making threaded connections |
| JPS63221902A (en) * | 1985-10-23 | 1988-09-14 | ギユンタ ホルスト ロエ−ム | Hydraulic operation type cylinder for fixing device in rotational spindle |
| JP2000055012A (en) * | 1998-08-07 | 2000-02-22 | Howa Mach Ltd | Rotary cylinder |
| JP2005163960A (en) * | 2003-12-04 | 2005-06-23 | Hitachi Metals Ltd | Cap with purge port |
| CN1719047A (en) * | 2004-07-06 | 2006-01-11 | 株式会社三千里机械 | Hydraulic cylinder |
| JP2009270591A (en) * | 2008-04-30 | 2009-11-19 | Mitsubishi Heavy Ind Ltd | Fiber reinforced resin tube |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5238743Y1 (en) * | 1970-10-02 | 1977-09-02 | ||
| JP2001219309A (en) * | 2000-02-07 | 2001-08-14 | Howa Mach Ltd | Chuck |
-
2017
- 2017-07-31 TW TW106125736A patent/TWI722226B/en active
- 2017-07-31 WO PCT/JP2017/027622 patent/WO2018021578A1/en active Application Filing
- 2017-07-31 KR KR1020187037685A patent/KR102375029B1/en active IP Right Grant
- 2017-07-31 CN CN201780040006.3A patent/CN109414765B/en active Active
- 2017-07-31 JP JP2018530446A patent/JP7125234B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2107802A (en) * | 1937-11-13 | 1938-02-08 | Cleveland Brass Mfg Company | Means for making threaded connections |
| JPS63221902A (en) * | 1985-10-23 | 1988-09-14 | ギユンタ ホルスト ロエ−ム | Hydraulic operation type cylinder for fixing device in rotational spindle |
| JP2000055012A (en) * | 1998-08-07 | 2000-02-22 | Howa Mach Ltd | Rotary cylinder |
| JP2005163960A (en) * | 2003-12-04 | 2005-06-23 | Hitachi Metals Ltd | Cap with purge port |
| CN1719047A (en) * | 2004-07-06 | 2006-01-11 | 株式会社三千里机械 | Hydraulic cylinder |
| JP2009270591A (en) * | 2008-04-30 | 2009-11-19 | Mitsubishi Heavy Ind Ltd | Fiber reinforced resin tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109414765B (en) | 2020-07-31 |
| KR20190034162A (en) | 2019-04-01 |
| TW201809520A (en) | 2018-03-16 |
| TWI722226B (en) | 2021-03-21 |
| KR102375029B1 (en) | 2022-03-15 |
| JPWO2018021578A1 (en) | 2019-05-23 |
| JP7125234B2 (en) | 2022-08-24 |
| WO2018021578A1 (en) | 2018-02-01 |
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