CN105298974B - The front end cage structure of cylinder body - Google Patents
The front end cage structure of cylinder body Download PDFInfo
- Publication number
- CN105298974B CN105298974B CN201510186313.5A CN201510186313A CN105298974B CN 105298974 B CN105298974 B CN 105298974B CN 201510186313 A CN201510186313 A CN 201510186313A CN 105298974 B CN105298974 B CN 105298974B
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- cylinder body
- piston rod
- accessory
- end accessory
- cage structure
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Abstract
The present invention provides a kind of front end cage structure that cylinder body easy to perform is decomposed, assembled when replacing sealing element.In the front end of cylinder body of the invention, front end accessory (1) is installed in the front end periphery of the piston rod (5) of cylinder body, the front end accessory (1) has the diameter flange part (3) smaller than the opening diameter of cylinder body through portion (31), by be divided into two parts mode by Press fitting (4) and using bolt and the flange part (3) of the front end accessory (1) is fixed on other side's component (40).Front end accessory (1) can be formed as the construction screwed with piston rod (5), or can also be formed as the construction from the front end side of piston rod (17) using bolt fastening with the front end accessory of straight axle sleeve.
Description
Technical field
The present invention relates to a kind of front end cage structures for decomposing, assembling cylinder body easy to perform.
Background technique
The cylinder body of driving is usually installed in the main part of the installation cylinder body such as installation pedestal, and by the front end of piston rod
In become driven object other side's component come using.Such as it is described in patent document 1 in the front end of the piston rod of cylinder body
The example of formed punch is installed via front end accessory.
The bar front end geometry of cylinder body is formed as fine thread according to each cylinder size and based on the standardization such as JIS.In order to
The sealing element of needs is regularly replaced, needs to carry out the decomposition of front end accessory every time, but front end accessory is needed with biggish fastening
Torque is fastened, so that the reciprocating motion relative to cylinder body will not loosen.Also, due to using fine thread, so in the presence of
Screw thread is easy to kill the problem of (か じ Ru) etc..
In addition, from the point of view of the relationship of the pitch of bolts, bar nose threads size installed for cylinder body, as shown in Fig. 5 a, Fig. 5 b,
Greatly than cylinder body mounting portion opening size (α size) due to cylindrical rod front end accessory outer dimension (γ size), so if will not before
End accessory 1 is removed from the piston rod 5 of cylinder body, then can not remove main body cylinder block from device.But in many cases, it is difficult to narrow
Device in decomposed, fastened with biggish tightening torque, exist because tightening torque deficiency due to generate thread looseness, because of pine
It is dynamic and the case where to the undesirable condition of threaded function impact force.
Fig. 5 a is the existing construction for making screw thread work as joint surface the stepped part 21 of bar nose threads.The screw thread
Stepped part 21 there is the case where not shaping plane correctly, and contact area is also small, thus in the presence of right because of cylinder body thrust
Joint surface impulses power makes the worry of thread looseness.
Fig. 5 b is the existing construction for making screw thread work using locking nut 22.This, which is configured to substantially ensure, plays screw thread
The contact area on the joint surface of effect, but stretch screw thread because of cylinder body thrust, generates small elongation, thus locking nut 22 with
The surface pressing of the contact surface of front end accessory 1 reduces, and screw thread is easy to loosen.In addition, due tos chip, dust etc. atmosphere it is severe
Decomposition, the assembling carried out in device has that screw thread is easy to kill.
In addition as shown in fig. 6, making front end accessory 1 divide construction with by Press fitting 4, in the shape for being assembled with front end accessory 1
Under state, become the construction taken out outside device, before also capable of decomposing, assemble under the good atmosphere of no chip, dust etc.
Hold accessory 1.However, for large-scale cylinder body, the fine thread size of bar front end is also larger (such as diameter
In the case where the cylinder body of 180mm, M120, screw pitch=2.0mm).Therefore, in screw thread the case where decomposing, the midway of assembling is killed
Under, can generate can not be from the mobile undesirable condition that can not also restore in the position.In such a case it is necessary to cut off cylindrical rod 5, remove
It is replaced except the front end accessory 1 killed, and by piston component and new product.Replacement for the sealing element as most cheap component,
In addition to there is the problem of risk for the piston component for replacing high price, in order to avoid the long-term stopping of equipment, need for size, row
Whole cylinder bodies of Cheng Butong and the spare part for having piston component.
Patent document 1: Japanese Unexamined Patent Publication 2006-315034 bulletin
Summary of the invention
Therefore it is an object of the invention to solve above-mentioned existing issue point, provide one kind when replace sealing element decomposition,
Assemble the front end cage structure of cylinder body easy to perform.
The 1st mode of the invention completed to solve above-mentioned project is characterized in that, before the piston rod of cylinder body
End periphery is equipped with front end accessory, and the flange part which has diameter smaller than the opening diameter of cylinder body through portion leads to
Excessively be cut into two parts mode is fixed on other side's component for the flange part of the front end accessory by Press fitting and using bolt.
In addition, there is fine thread in the front end periphery of piston rod and become the front end with nut side in the 2nd mode
The construction that accessory screws, can be using the joint surface for making screw thread work as the front end face of piston rod.In addition in the 3rd mode,
Front end accessory with by Press fitting Qian He in, can as on piston direction of travel it is very close to each other and in piston direction of travel
Vertical direction on gap cooperation.In addition it in the 4th mode, is capable of forming to construct as follows, that is, before making piston rod
End is not have threaded d-axis, has the front end accessory of straight axle sleeve using bolt fastening from the front end side of piston rod.
In either case, in the 5th mode, it can be the root that the flange part of front end accessory is configured to piston rod
The construction of side, or in the 6th mode, can be the construction that the flange part of front end accessory is configured to the front end side of piston rod.
In addition, die molding machine or the making molds that the front end of cylinder body can be configured to Casting Equipment are raw in the 7th mode
Producing line.Also, in the 8th mode, the front end of cylinder body can be configured in the making molds production line of Casting Equipment
Propulsion device, lifting device, mould closer, box separation device, casting mold provision for disengagement, scrapes sand device, cast gate excavation dress at buffer unit
It sets, open pore device, type core storage device, bottom plate mounting device, bottom plate separator, sandbox handling device, weight transfer dress
Any of set.
The invention of 1st mode is configured to, and is equipped with front end accessory in the front end periphery of the piston rod of cylinder body, which matches
The flange part that part has diameter smaller than the opening diameter of cylinder body through portion, by being divided into the simultaneously sharp by Press fitting of two parts mode
The flange part of the front end accessory is fixed on other side's component with bolt.Therefore, if loose bolts and remove by Press fitting and
Main body cylinder block is removed from installation pedestal etc., then can pass through cylinder body through portion and take out front end accessory.Therefore having can
The advantages of decomposition and assembling of front end accessory are carried out outside operability and the good device of environment.
For the invention of the 2nd mode, since joint surface that screw thread will be made to work is as the biggish bar front end of area,
Therefore has the function of the advantages of thread looseness that can prevent from generating due to the impact force to joint surface.In addition, due to making spiral shell
The joint surface that line works is located at the opposite side of the cylinder body side of front end accessory threaded portion, and therefore, it is difficult to the shadows by cylinder body thrust
It rings, the pressure of contact surface on joint surface is difficult to decrease.Therefore, have the advantages that screw thread is difficult to loosen.
For the invention of the 3rd mode, due to being combined into front end accessory in piston direction of travel with by matching for Press fitting
Vertical direction on gap cooperation, therefore have the advantages that not to piston rod application lateral load.
For the invention of the 4th mode, due to being configured to that piston rod is made not have threaded d-axis, before piston rod
End side has the front end accessory of straight axle sleeve using bolt fastening, so fine thread is not used, so that having can make to generate
The advantages of risk of thread biting locking is zero.
For the invention of the 5th mode, it is used separately the different front end accessory of lugs position, to have limited
The advantages of can be improved the freedom degree of cylinder body installation in space.
According to the invention of the 6th mode, it is used separately the different front end accessory of lugs position, to have in a limited space
The advantages of inside can be improved the freedom degree of cylinder body installation.
According to the invention of the 7th mode, have the advantages that following big: in the die molding machine or making molds of Casting Equipment
In production line, the decomposition and assembling of front end accessory can be carried out outside operability and the good device of environment.
According to the invention of the 8th mode, have the advantages that following big: can be outside operability and the good device of environment
Portion carries out the propulsion device in the making molds production line of Casting Equipment, buffer unit, lifting device, mould closer, branch mailbox and fills
It sets, casting mold provision for disengagement, scrape sand device, cast gate excavating gear, open pore device, type core storage device, bottom plate mounting device, bottom
The decomposition and assembling of front end accessory among any of plate separator, sandbox handling device, weight transfer device.
Detailed description of the invention
Fig. 1 a is the main view for indicating the cylinder body of the 1st embodiment.
Fig. 1 b is the figure for indicating the front end accessory of the 1st embodiment, and Fig. 1 b (a) is top view, and Fig. 1 b (b) is front cross-sectional
Figure.
Fig. 1 c is the figure by Press fitting for indicating the 1st embodiment, and Fig. 1 c (a) is top view, and Fig. 1 c (b) is front cross-sectional
Figure.
Fig. 2 a is the front section view for indicating the assembled state of the 1st embodiment.
Fig. 2 b is the main view for indicating the assembled state of the 1st embodiment.
Fig. 3 a is the figure for indicating the cylinder body of the 2nd embodiment, and Fig. 3 a (a) is top view, and Fig. 3 a (b) is main view.
Fig. 3 b is the figure of the front end accessory of the 2nd embodiment, and Fig. 3 b (a) is top view, and Fig. 3 b (b) is front section view.
Fig. 4 a is the front section view for indicating the assembled state of the 2nd embodiment.
Fig. 4 b is the front section view for indicating the variation of the 2nd embodiment.
Fig. 5 a is the front section view for indicating the prior art.
Fig. 5 b is the front section view for indicating another prior art.
Fig. 6 is the front section view for indicating the another prior art.
Symbol description:
1... front end accessory；2... main body cylinder block；3... flange part；4... Press fitting is pressed；5... piston rod；6... divide
Portion；7... fine thread；8... joint surface；9... hole；10... the direction of travel of piston；11... connection very close to each other；
12... the vertical direction of piston direction of travel；13... gap；14... large-scale cylinder body；15... front end accessory；16... d-axis；
17... piston rod；18... axle sleeve；19... bolt；20... through hole；21... the stepped part of screw thread；22... locking nut；
30... installation pedestal；31... cylinder body through portion；32... bolt；40... other side's component；41... bolt.
Specific embodiment
The preferred embodiment of the present invention is illustrated below.
Fig. 1, Fig. 2 are the figures for indicating the 1st embodiment of the invention, and expression does not remove front end accessory and removes cylinder from device
The construction of phosphor bodies.2 be main body cylinder block, and 5 be its piston rod.Main body cylinder block 2 is fixed on by bolt 32 has opening diameter
For the installation pedestal 30 of the cylinder body through portion 31 of α.Fine thread 7 is formed in the periphery of the front end of piston rod 5.
1 is mounted to the front end accessory of the front end periphery of piston rod 5.There is the front end accessory 1 outside diameter β to penetrate through than cylinder body
The opening diameter α in portion 31 small flange part 3.In front end, the inner peripheral surface of accessory 1 is also formed with fine thread 7, and becoming matches front end
The construction that part 1 is screwed from the front end side of piston rod 5.
The inner bottom surface of front end accessory 1 is flat surface, in piston rod 5 and nut side front end accessory 1 with fine thread 7
Face in fastening, by the joint surface 8 for making screw thread work as bar front end.Due to the joint surface 8 that screw thread will be made in this way to work
As the biggish bar front end of area, so the thread looseness generated by the effect of the impact force to joint surface 8 can be prevented.Separately
Outside, since the joint surface 8 for making screw thread work is located at the opposite side of the cylinder body side of the threaded portion of front end accessory 1, therefore, it is difficult to by
To the influence of cylinder body thrust, and since the pressure of contact surface on joint surface 8 is difficult to decrease, it is difficult to loosen with screw thread
Effect.In addition, the hole 9 of front end accessory 1 is the gas vent when assembled of piston rod 5.
By be divided into two parts mode by Press fitting 4 and using bolt 41 and the flange part 3 of the front end accessory 1 consolidated
Due to other side's component 40.The front end cage structure of cylinder body is formed as that two parts will be divided by Press fitting 4, thus even if not by front end
Accessory 1 is removed from piston rod 5 is also able to carry out decomposition, assembling.6 be cutting part shown in Fig. 1 c (a).
In front end accessory 1 with the Qian He by Press fitting 4, become cooperation very close to each other on the direction of travel 10 of piston
11, and become the cooperation with gap 13 in the vertical direction of piston direction of travel 12.In this way, by make front end accessory 1 with
By Press fitting 4 with the cooperation being combined into the vertical direction 12 of piston direction of travel with gap 13, to have not to work
Stopper rod 5 applies the advantages of lateral load.
In the front end cage structure of the cylinder body of the invention constituted like this, if loose bolts 41 will be divided into two parts side
Formula is removed by Press fitting 4 from other side's component 40, then can be separated piston rod 5 from other side's component 40.Therefore, can will before
End accessory 1, which is mounted in the state of the front end of piston rod 5, takes out main body cylinder block 2 from cylinder body through portion 31, and to outside device
Portion removes.Decomposition, assembling etc. when thus can easily be done replacement sealing element operate.
The 2nd embodiment of the invention is illustrated followed by Fig. 3, Fig. 4.In these figures, 14 be large-scale cylinder
Body, 15 be its front end accessory.
For the large size cylinder body 14, piston rod 17 cancels fine thread 7 and is d-axis 16.15 shape of front end accessory
As the construction with straight axle sleeve 18, fastened from the front end side of piston rod 17 by bolt 19.In addition, 20 for through
Hole.
Flange part 3 identical as the 1st embodiment, that front end accessory 15 has diameter smaller than the outer diameter of large-scale cylinder body 14, should
Flange part 3 by be divided into two parts mode by Press fitting 4 and using bolt 41 and be fixed on other side's component 40.
For the large-scale cylinder body 14 for having used d-axis 16 like this, only applies in the pulling side only to piston rod 17 and carry
It is used in the case where lotus.It, cannot be the case where the release side to piston rod applies load since the intensity of bolt 19 is insufficient
Lower use.In the case where the pull-out side to piston rod applies load, becoming makes to have Fig. 1, fine thread shown in Fig. 27
Piston rod 5 constructs obtained by combining with front end accessory 1.
Be shown below example in Fig. 4 a, that is, in a limited space in, in order to improve cylinder body installation freedom degree, and will before
The flange 3 of end accessory 15 is configured at the root side of piston rod 17.In addition, being shown below variation in Fig. 4 b, that is, by front end accessory
15 flange 3 is configured at the front end side of piston rod 17.In such manner, it is possible to select the installation direction of front end accessory 15.
In the 2nd embodiment, if by removing by Press fitting 4 from other side's component 40 for two parts mode is divided into,
Also piston rod 17 can be separated from other side's component 40.It therefore, can be in the front end that front end accessory 15 is mounted on to piston rod 17
Large-scale main body cylinder block 14 is taken out from cylinder body through portion in the state of portion, and to removing outside device.Thus, it is possible to easily into
The operations such as decomposition, assembling when row replacement sealing element.
In addition, the front end structure example of cylinder body of the invention can such as become for Casting Equipment (for example, making molds
Machine, making molds production line etc.) cylinder body front end cage structure.In addition for the various devices for making molds production line
It in the case where cylinder body, if the device for using cylinder body, is not particularly limited, can be used for any device.In addition, being made in casting mold
In type production line, as using the various devices of cylinder body, such as propulsion device, buffer unit, lifting device, mould assembling dress are listed
It sets, box separation device, drawing device (casting mold provision for disengagement), scrape sand device, cast gate excavating gear, open pore device, the storage of type core
Device, bottom plate mounting device, bottom plate separator, sandbox handling device (turntable), weight transfer device etc..
Claims (6)
1. a kind of front end cage structure of cylinder body, which is characterized in that
Front end accessory is installed in the front end periphery of the piston rod of cylinder body, which has diameter than cylinder body through portion
The small flange part of opening diameter, by be divided into two parts mode by Press fitting and using bolt and by the convex of the front end accessory
Other side's component is fixed in edge,
There is fine thread in the front end periphery of the piston rod and become the construction screwed with the front end accessory of nut side, it will
Front end face of the joint surface for making screw thread work as piston rod,
In the front end accessory, gas vent is adjacently formed with the joint surface.
2. the front end cage structure of cylinder body according to claim 1, which is characterized in that
Front end accessory with by Press fitting Qian He in, become very close to each other on piston direction of travel and in piston direction of travel
Vertical direction on gap cooperation.
3. the front end cage structure of cylinder body according to claim 1 or 2, which is characterized in that
The flange part of front end accessory is configured to the root side of piston rod.
4. the front end cage structure of cylinder body according to claim 1 or 2, which is characterized in that
The flange part of front end accessory is configured to the front end side of piston rod.
5. the front end cage structure of cylinder body according to claim 1 or 2, which is characterized in that
The front end of the cylinder body is configured to the die molding machine or making molds production line of Casting Equipment.
6. the front end cage structure of cylinder body according to claim 1 or 2, which is characterized in that
The front end of the cylinder body is configured to propulsion device in the making molds production line of Casting Equipment, buffer unit, liter
Falling unit, box separation device, casting mold provision for disengagement, scrapes sand device, cast gate excavating gear, open pore device, type core receipts at mould closer
Receive any of device, bottom plate mounting device, bottom plate separator, sandbox handling device, weight transfer device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014135680A JP6221969B2 (en) | 2014-07-01 | 2014-07-01 | Cylinder tip structure |
| JP2014-135680 | 2014-07-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105298974A CN105298974A (en) | 2016-02-03 |
| CN105298974B true CN105298974B (en) | 2019-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510186313.5A Active CN105298974B (en) | 2014-07-01 | 2015-04-20 | The front end cage structure of cylinder body |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6221969B2 (en) |
| CN (1) | CN105298974B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022054197A1 (en) | 2020-09-10 | 2022-03-17 | 三菱電機エンジニアリング株式会社 | Facility state monitoring device, abnormality determination system, and facility state monitoring method |
Citations (4)
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|---|---|---|---|---|
| US3984646A (en) * | 1975-04-29 | 1976-10-05 | Day Harry E | Limit switch actuator |
| JP2006315034A (en) * | 2005-05-12 | 2006-11-24 | Sintokogio Ltd | Apparatus for releasing molding flask in sand mold with molding flask in which molten metal is poured |
| CN201155570Y (en) * | 2007-12-27 | 2008-11-26 | 沈阳大学 | Water isolation pump guiding type high pressure fresh water valve |
| CN103706763A (en) * | 2013-12-20 | 2014-04-09 | 江苏中力齿轮有限公司 | Special machine for pressing sprue cup |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4323003A (en) * | 1980-03-24 | 1982-04-06 | Clippard Instrument Laboratory, Inc. | Fluid cylinder with replaceable rod seal and guide |
| JPS62136605U (en) * | 1986-02-20 | 1987-08-28 | ||
| JPS62195426U (en) * | 1986-06-03 | 1987-12-12 | ||
| JPS63193101U (en) * | 1987-05-30 | 1988-12-13 | ||
| JP2001082446A (en) * | 1999-09-08 | 2001-03-27 | Nkk Corp | Clevis coupling |
| CN102000748B (en) * | 2010-10-21 | 2012-05-30 | 武汉一冶钢结构有限责任公司 | Anti-eccentricity pressing piston rod connecting device of no-guiding slider type hydraulic press |
| CN202498088U (en) * | 2012-03-08 | 2012-10-24 | 宁波宝新不锈钢有限公司 | Piston rod anti-loose device for hydraulic cylinder for wiper |
| CN103447319B (en) * | 2013-09-05 | 2015-03-25 | 太原重工股份有限公司 | Three-station large carrier roller device |
-
2014
- 2014-07-01 JP JP2014135680A patent/JP6221969B2/en active Active
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2015
- 2015-04-20 CN CN201510186313.5A patent/CN105298974B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3984646A (en) * | 1975-04-29 | 1976-10-05 | Day Harry E | Limit switch actuator |
| JP2006315034A (en) * | 2005-05-12 | 2006-11-24 | Sintokogio Ltd | Apparatus for releasing molding flask in sand mold with molding flask in which molten metal is poured |
| CN201155570Y (en) * | 2007-12-27 | 2008-11-26 | 沈阳大学 | Water isolation pump guiding type high pressure fresh water valve |
| CN103706763A (en) * | 2013-12-20 | 2014-04-09 | 江苏中力齿轮有限公司 | Special machine for pressing sprue cup |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016014408A (en) | 2016-01-28 |
| CN105298974A (en) | 2016-02-03 |
| JP6221969B2 (en) | 2017-11-01 |
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