CN204985149U - Hydraulic press hydro -cylinder - Google Patents
Hydraulic press hydro -cylinder Download PDFInfo
- Publication number
- CN204985149U CN204985149U CN201520682381.6U CN201520682381U CN204985149U CN 204985149 U CN204985149 U CN 204985149U CN 201520682381 U CN201520682381 U CN 201520682381U CN 204985149 U CN204985149 U CN 204985149U
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- China
- Prior art keywords
- cylinder
- cylinder barrel
- piston rod
- hydraulic press
- utility
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- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 title abstract 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000005242 forging Methods 0.000 description 22
- 239000003921 oil Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 9
- 239000010720 hydraulic oil Substances 0.000 description 6
- 238000003754 machining Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Actuator (AREA)
Abstract
The utility model discloses a hydraulic press hydro -cylinder belongs to pneumatic cylinder technical field, has solved current pneumatic cylinder manufacturing cost height, the big technical problem of the processing degree of difficulty, the utility model discloses a hydraulic press hydro -cylinder includes organism, cylinder body and piston rod, the cylinder body is connected with the organism, the cylinder body includes cylinder and the cylinder bottom of being connected with the cylinder, cylinder bottom and cylinder formation piston chamber, the one end of piston rod is located the piston intracavity, outside the other end is located the piston chamber, the cylinder is straight cartridge type, the cylinder bottom passes through mounting screws with the organism and is connected, be equipped with the guide ring that is used for slowing down wearing and tearing between piston rod and the cylinder between piston rod and the cylinder. The embodiment of the utility model provides a be applied to on the hydraulic press.
Description
[technical field]
The utility model relates to a kind of hydraulic press cylinder, belongs to oil hydraulic cylinder technical field.
[background technique]
Along with the demand of various industry to hydraulic press constantly increases, function also development and the innovation of hydraulic press, and oil cylinder is as the primary drive parts of hydraulic press, in whole working procedure, play very important effect.Hydraulic press cylinder cylinder body of the prior art often adopts the structural type of cylinder body of the blind end, although the sealing that cylinder body is good can be ensured, prevent hydraulic oil from revealing, but the physical dimension of its rough forging is comparatively large, almost reaches the limit of forging equipment ability during forging, secondly, because cylinder block is to add man-hour forging blank machining allowance large, in order to ensure the Rigidity and strength requirement of forging, therefore needing through repeatedly processing, adding the amount of labour and the forging difficulty of machining; Moreover, at cylinder mouth, place is provided with guide sleeve, cylinder barrel is provided with for being fixed on linkage structure on hydraulic press body and flange, in working procedure, the vibrations of body drive the vibrations of cylinder body by linkage structure, in order to avoid linkage structure involves the cracking that can cause cylinder barrel wall to cylinder barrel wall in vibrations process, need to possess higher Rigidity and strength with this cylinder barrel, finally, in prior art, the number of spare parts of oil cylinder is more, and structure is more complicated.
[model utility content]
Problem to be solved in the utility model is just to provide a kind of hydraulic press cylinder, has the advantages that structure is simple, forging difficulty is lower.
A kind of hydraulic press cylinder, comprise body, cylinder body and piston rod, described cylinder body is connected with body, the cylinder bottom that described cylinder body comprises cylinder barrel and is connected with cylinder barrel, described cylinder bottom and cylinder barrel form piston cavity, and one end of described piston rod is positioned at piston cavity, the other end is positioned at outside piston cavity, described cylinder barrel is straight cylinder type, and described cylinder bottom is connected by mounting screw with body, is provided with for slowing down the guide ring worn and torn between piston rod and cylinder barrel between described piston rod and cylinder barrel.
Hydraulic press cylinder in the utility model comprises body, cylinder body and piston rod, the cylinder bottom that cylinder body comprises cylinder barrel and is connected with cylinder barrel, cylinder barrel and cylinder bottom are connected to form piston cavity, cylinder barrel is straight cylinder type, compared with cylinder of the blind end of the prior art, the blank physical dimension used when the cylinder body of straight cylinder type forges is little, and machining allowance is few, and therefore forging difficulty is lower, cylinder bottom is connected by mounting screw with body, generally realize being fixedly connected with of oil cylinder and body by being provided with bindiny mechanism and the flange that cylinder mouth is arranged on the sidewall of cylinder barrel in prior art, in hydraulic press working procedure, the vibrations of body drive the vibrations of cylinder body by linkage structure, in order to avoid linkage structure involves the cracking that can cause cylinder wall to cylinder barrel wall in vibrations process, therefore higher to the Rigidity and strength of cylinder barrel wall, linkage structure in the utility model is arranged on cylinder bottom, the area of contact of cylinder bottom and body is larger, therefore the connection of cylinder bottom and body can be more firm, it is less that what in vibrations process, cylinder bottom was subject to involve power, therefore require lower to the Rigidity and strength of cylinder body, forging difficulty also reduces, between cylinder barrel and piston rod, slow down wearing and tearing between piston rod and cylinder barrel by arranging guide ring, in sum, hydraulic press cylinder of the present utility model decreases the quantity of part, and structure is more simple, also reduces forging difficulty simultaneously.
First specific embodiments: the boss that described cylinder bottom comprises base and formed by base, described boss is inserted in one end of cylinder barrel, and described base is connected by attachment screw with cylinder barrel.Design like this, can ensure the connection reliability of cylinder bottom and cylinder barrel, is convenient to the detachable maintaining of cylinder bottom simultaneously.
Second specific embodiments: described base is provided with through hole, described body is provided with the tapped hole corresponding with through hole, and described mounting screw passes through hole and screws in tapped hole.Oil cylinder enhances the reliability and soundness that are connected by cylinder seat and the screw connecting mode of body, reduce the requirement of cylinder barrel to rigidity and hardness.
3rd specific embodiments: be provided with seal ring between described cylinder barrel and piston rod, is provided with seal ring between described cylinder barrel and boss.Improve the sealing of piston cavity, prevent hydraulic oil to outward leakage.
4th specific embodiments: described piston rod comprises the large footpath section being positioned at piston cavity and the path section be connected with large footpath section, the sidewall of described cylinder barrel is provided with the first oil inlet and outlet and the second oil inlet and outlet, and described large footpath section is positioned between the first oil inlet and outlet and the second oil inlet and outlet.Design like this, can make piston rod realize fore and aft motion under the effect of hydraulic oil.
5th specific embodiments: described guide ring is arranged between path section and inner wall of cylinder.Design like this, can slow down the wearing and tearing between inner wall of cylinder and path section, simplifies the overall structure of oil cylinder simultaneously.
These features of the present utility model and advantage will embodiment below, exposure detailed in accompanying drawing.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the structural representation of oil cylinder in the utility model preferred embodiment;
Fig. 2 is the plan view of oil cylinder in the utility model preferred embodiment.
[embodiment]
The technological scheme of accompanying drawing to the utility model embodiment below in conjunction with the utility model embodiment is explained and illustrated, but following embodiment is only preferred embodiment of the present utility model, and not all.Based on the embodiment in mode of execution, those skilled in the art under the prerequisite not making creative work obtain other embodiments, all belong to protection domain of the present utility model.
As shown in Figure 1, hydraulic press cylinder in the utility model preferred embodiment comprises body (not disengaging its overall structure in figure), cylinder body and piston rod 1, cylinder body comprises cylinder barrel 2 and cylinder bottom 3, cylinder bottom 3 comprises base 31 and boss 32, boss 32 is integrally formed with base 31, boss 32 is inserted in cylinder barrel 2 and the left side of the right side of base 31 and cylinder barrel 2 is offseted, base 31 is fixedly connected with by attachment screw 5 with cylinder barrel 2, cylinder barrel 2 and cylinder bottom 3 assemble rear formation piston cavity 4, one end of piston rod 1 is positioned at piston cavity 4, the other end passes cylinder mouth and is positioned at outside piston cavity 4, piston rod 1 comprises large footpath section 11 and path section 12, one end of path section 12 is connected with large footpath section 11 or integrally formed, large footpath section 11 is positioned at piston cavity 4, the sidewall of cylinder barrel 2 is provided with the first oil inlet and outlet 22 and the second oil inlet and outlet 23, large footpath section 11 is between the first oil inlet and outlet 22 and the second oil inlet and outlet 23.
When the second oil inlet and outlet 23 oil-feed, when first oil inlet and outlet 22 is fuel-displaced, the shaft shoulder face, left side of large footpath section 11 is subject to hydraulic coupling and is greater than the hydraulic coupling that shaft shoulder face, right side is subject to, piston rod 1 moves right, when the first oil inlet and outlet 22 oil-feed, when the second oil inlet and outlet 23 is fuel-displaced, the shaft shoulder face, right side of large footpath section 11 is subject to hydraulic coupling and is greater than the hydraulic coupling that shaft shoulder face, left side is subject to, piston rod 1, to left movement, so designs, and piston rod 1 realizes the fore and aft motion in cylinder body by the active force of hydraulic oil.
Between boss 32 and the sidewall of cylinder barrel 2 and in path section 12 and cylinder barrel 2, between the inwall of cylinder mouth, be equipped with seal ring 6, prevent from injecting hydraulic oil in piston cavity 4 to outward leakage with this.In order to ensure the pressure difference of section 11 left and right sides, large footpath, between large footpath section 11 and the inwall of cylinder barrel 2, being provided with seal ring 6, preventing the hydraulic oil of section 11 left and right sides, large footpath from mutually circulating.
Piston rod 1 does in the process of fore and aft motion in cylinder body, produce between the inwall of path section 12 and cylinder barrel 2 and rub and scratch cylinder barrel 2 and piston rod 1, in order to reduce the wearing and tearing of cylinder barrel 2 and piston rod 1, guide ring 7 is also provided with between path section 12 and the inwall of cylinder barrel 2, in the prior art, usually between the inwall and path section 1 of cylinder mouth, metal guide sleeve is arranged to reduce friction, but guide sleeve needs to be made up through complicated mechanical processing technique of a large amount of non-ferrous metals, cost is higher, guide ring 7 in the utility model is made up of polytetrafluoroethylmaterial material, there is enough intensity and wear-resisting property, cylinder body and piston rod 1 can be effectively protected not to be scratched, improve its working life, and guide ring 7 is also convenient to processing.
In other embodiments of the present utility model, in order to reduce the wearing and tearing between large footpath section and inner wall of cylinder, between large footpath section and inner wall of cylinder, also can arrange guide ring, this is no longer going to repeat them.
As shown in Figure 2, base 31 is fixedly connected with body by mounting screw 8, base 31 is rectangle, through hole 310 is provided with at four angles place of base 31, after cylinder barrel 2 and cylinder bottom 3 assemble, through hole 310 is positioned at the outside of cylinder barrel 2, and body is provided with the tapped hole (in figure do not disengage its structure) corresponding with through hole 310, and mounting screw 8 passes through hole 310 and screws in tapped hole.In prior art, cylinder barrel is provided with the bindiny mechanism be connected with body, flange is provided with to be fixed on body by cylinder body at the cylinder mouth place of cylinder barrel, when linkage structure is arranged on the sidewall of cylinder barrel, due in working procedure, the vibrations of body drive the vibrations of cylinder body by linkage structure, in order to avoid linkage structure involves the cracking that can cause cylinder wall to cylinder barrel wall in vibrations process, therefore require higher to the Rigidity and strength of cylinder barrel wall, in the utility model, base and body is fixedly connected with by mounting screw 8, because area of contact is larger, cylinder body and body fixing more firm, fix without the need to additionally increasing flange, in addition the power that involves be subject to due to cylinder bottom in vibrations process reduces, therefore require to reduce to the Rigidity and strength of cylinder body, compared to existing technology, the utility model has the simple feature of structure.
Oil cylinder of the present utility model is generally used on large hydraulic press, therefore housing structure is larger, add and adopt man-hour Forging Technology shaping, in order to reduce forging difficulty, cylinder barrel 2 in the utility model is straight cylinder type, during cylinder body employing global formation of the prior art, needs processing blind hole to form piston cavity, now the physical dimension of rough forging is comparatively large, has reached the limit of forging equipment ability; Because physical dimension is comparatively large, the machining allowance therefore in forging process is also comparatively large, in order to reach Rigidity and strength required by forging, often need repeatedly to process, the mechanical amount of labour is comparatively large, in addition, in forging process, cylinder bottom need have blind hole and forging boss along axis simultaneously, the streamline of guarantee forging, thus forge forging, compared with prior art, housing structure of the present utility model, can reduce the size of rough forging, thus reduction machining allowance, reduce forging difficulty.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto, is familiar with this those skilled in the art and should be understood that the content that the utility model includes but not limited to accompanying drawing and describes in embodiment above.Any amendment not departing from function and structure principle of the present utility model all will comprise within the scope of the appended claims.
Claims (6)
1. a hydraulic press cylinder, comprise body, cylinder body and piston rod, described cylinder body is connected with body, the cylinder bottom that described cylinder body comprises cylinder barrel and is connected with cylinder barrel, described cylinder bottom and cylinder barrel form piston cavity, and one end of described piston rod is positioned at piston cavity, the other end is positioned at outside piston cavity, it is characterized in that: described cylinder barrel is straight cylinder type, and described cylinder bottom is connected by mounting screw with body, being provided with between described piston rod and cylinder barrel for slowing down the guide ring worn and torn between piston rod and cylinder barrel.
2. hydraulic press cylinder according to claim 1, is characterized in that: the boss that described cylinder bottom comprises base and formed by base, and described boss is inserted in one end of cylinder barrel, and described base is connected by attachment screw with cylinder barrel.
3. hydraulic press cylinder according to claim 2, is characterized in that: described base is provided with through hole, and described body is provided with the tapped hole corresponding with through hole, and described mounting screw passes through hole and screws in tapped hole.
4. hydraulic press cylinder according to claim 2, is characterized in that: be provided with seal ring between described cylinder barrel and piston rod, is provided with seal ring between described cylinder barrel and boss.
5. hydraulic press cylinder according to claim 1, it is characterized in that: described piston rod comprises the large footpath section being positioned at piston cavity and the path section be connected with large footpath section, the sidewall of described cylinder barrel is provided with the first oil inlet and outlet and the second oil inlet and outlet, and described large footpath section is positioned between the first oil inlet and outlet and the second oil inlet and outlet.
6. hydraulic press cylinder according to claim 5, is characterized in that: described guide ring is arranged between path section and inner wall of cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520682381.6U CN204985149U (en) | 2015-09-06 | 2015-09-06 | Hydraulic press hydro -cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520682381.6U CN204985149U (en) | 2015-09-06 | 2015-09-06 | Hydraulic press hydro -cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204985149U true CN204985149U (en) | 2016-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520682381.6U Expired - Fee Related CN204985149U (en) | 2015-09-06 | 2015-09-06 | Hydraulic press hydro -cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204985149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111442013A (en) * | 2019-01-16 | 2020-07-24 | 丰田合成株式会社 | Actuator |
-
2015
- 2015-09-06 CN CN201520682381.6U patent/CN204985149U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111442013A (en) * | 2019-01-16 | 2020-07-24 | 丰田合成株式会社 | Actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |