CN202031907U - Oil cylinder of a medium-small hydraulic press - Google Patents
Oil cylinder of a medium-small hydraulic press Download PDFInfo
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- CN202031907U CN202031907U CN 201120048795 CN201120048795U CN202031907U CN 202031907 U CN202031907 U CN 202031907U CN 201120048795 CN201120048795 CN 201120048795 CN 201120048795 U CN201120048795 U CN 201120048795U CN 202031907 U CN202031907 U CN 202031907U
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- oil cylinder
- guide sleeve
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- hole
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Abstract
The utility model embodiment discloses an oil cylinder of a medium-small hydraulic press, which comprises an oil cylinder body, a piston rod and a guide sleeve, wherein a through hole is arranged on the oil cylinder body, a cylinder bottom is closely matched with and arranged at one end of the through hole, the guide sleeve is arranged at the other end of the through hole; the piston rod penetrates the guide sleeve and divides the sealed cavity encircled and confined by the oil cylinder body, the cylinder bottom and the guide sleeve into an upper cavity body and a lower cavity body, an upper cavity oil inlet communicated with the upper cavity body and a lower cavity oil inlet communicated with the lower cavity body are arranged on the oil cylinder body; and external threads are arranged on the outer wall of the oil cylinder body. As the oil cylinder is decomposed into multiple parts and the oil cylinder body is designed into a through hole shape, only a single part is required to be processed for processing without the necessity of integral processing, so as to simplify the processing of the oil cylinder, as a result the oil cylinder can be smoothly processed by adopting ordinary equipment; after all the parts are processed, multiple parts are then integrally assembled; and the oil cylinder simplifies the complex technology, reduces the processing difficulty, and saves raw materials.
Description
Technical field
The utility model relates to Hydraulic Field, more particularly, relates to a kind of oil cylinder of middle-size and small-size hydraulic press.
Background technique
At present, in the cylinder structure of middle-size and small-size hydraulic press, because the oil cylinder internal diameter is little, stroke is long, cause the difficulty of processing of whole oil cylinder very big, general device all can not satisfy processing request, needs to adopt special device.Yet the employing special device causes the manufacturing processing cost of oil cylinder to strengthen.
The model utility content
In view of this, the utility model provides a kind of oil cylinder of middle-size and small-size hydraulic press, to reduce its difficulty of processing.
For achieving the above object, the utility model provides following technological scheme:
A kind of oil cylinder of middle-size and small-size hydraulic press comprises cylinder body, piston rod and guide sleeve, and wherein, described cylinder body is provided with through hole, and an end of described through hole is provided with cylinder bottom close-fitting with it, and described guide sleeve is arranged on the other end of described through hole; Described piston rod passes described guide sleeve, and the seal chamber that described cylinder body, cylinder bottom and guide sleeve surrounded is divided into upper cavity and lower chamber, described cylinder body is provided with epicoele filler opening that is connected with described upper cavity and the cavity of resorption filler opening that is connected with described lower chamber; The outer wall of described cylinder body is provided with outside thread.
Preferably, in the oil cylinder of above-mentioned middle-size and small-size hydraulic press, described cylinder bottom comprises cylinder bottom guide pin bushing and cylinder bottom nut, and described cylinder bottom guide pin bushing is fixed in the described through hole by the cylinder bottom nut.
Preferably, in the oil cylinder of above-mentioned middle-size and small-size hydraulic press, described cylinder bottom guide pin bushing and described through hole hole wall touching position are provided with first seal ring.
Preferably, in the oil cylinder of above-mentioned middle-size and small-size hydraulic press, described guide sleeve is fixed on the described cylinder body by set screw nut.
Preferably, in the oil cylinder of above-mentioned middle-size and small-size hydraulic press, described guide sleeve and described through hole hole wall touching position are provided with second seal ring.
Preferably, in the oil cylinder of above-mentioned middle-size and small-size hydraulic press, described guide sleeve and described piston rod touching position are provided with the 3rd seal ring.
From technique scheme as can be seen, among the utility model embodiment oil cylinder resolved into a plurality of parts, and cylinder body is designed to shape of through holes, add and only need process single part man-hour, and need not whole process so reduce the difficulty of processing of oil cylinder, adopt conventional equipment also can finish the processing of oil cylinder smoothly.After treating that all part processing are finished, again with a plurality of part overall package.The technology that complicates is simple process, has reduced difficulty of processing, saves material.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the oil cylinder of the middle-size and small-size hydraulic press that Fig. 1 provides for the utility model embodiment;
The structural representation of the cylinder body that Fig. 2 provides for the utility model embodiment;
The structural representation of the cylinder bottom that Fig. 3 provides for the utility model embodiment;
The structural representation of the piston rod that Fig. 4 provides for the utility model embodiment;
The structural representation of the guide sleeve that Fig. 5 provides for the utility model embodiment;
The mounting structure schematic representation of the oil cylinder of the middle-size and small-size hydraulic press that Fig. 6 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment discloses a kind of oil cylinder of middle-size and small-size hydraulic press, to reduce its difficulty of processing.
Please refer to oil cylinder shown in Figure 1, wherein, 1 is the cylinder bottom nut; 2 is the cylinder bottom guide pin bushing; 3 is tightening nut; 4 is the epicoele filler opening; 5 is piston head; 8 is cylinder body; 9 is piston rod; 10 is the cavity of resorption filler opening; 11 is guide sleeve; 12 is set screw nut; 14 is first seal ring; 15 is second seal ring; 16 is the 3rd seal ring; 17 is outside thread.
The oil cylinder of this middle-size and small-size hydraulic press comprises cylinder body 8, piston rod 9 and guide sleeve 11, and wherein, this cylinder body 8 is provided with through hole, and an end of this through hole is provided with cylinder bottom close-fitting with it, and guide sleeve 11 is arranged on the other end of this through hole; This piston rod 9 passes this guide sleeve 11, and the seal chamber that this cylinder body 8, cylinder bottom and guide sleeve 11 are surrounded is divided into upper cavity and lower chamber, and this cylinder body 8 is provided with epicoele filler opening 4 that is connected with this upper cavity and the cavity of resorption filler opening 10 that is connected with this lower chamber; The outer wall of this cylinder body 8 is provided with outside thread 17.
Among the utility model embodiment oil cylinder resolved into a plurality of parts, and cylinder body 8 is designed to shape of through holes, add and only need process single part man-hour, and need not whole process so reduce the difficulty of processing of oil cylinder, adopt conventional equipment also can finish the processing of oil cylinder smoothly.After treating that all part processing are finished, again with a plurality of part overall package.The technology that complicates is simple process, has reduced difficulty of processing, saves material.
Cylinder body is designed to the form of through hole in the utility model embodiment, and its course of working is compared difficulty and decreased with being processed into the counterbore form,, an end of the through hole 8 of cylinder body closely need be sealed for this reason, reveals to prevent hydraulic oil.Cylinder bottom as shown in Figure 3, this cylinder bottom comprise cylinder bottom guide pin bushing 2 and cylinder bottom nut 1, and cylinder bottom guide pin bushing 2 is fixed in the through hole by cylinder bottom nut 1.Wherein, restriction cylinder bottom guide pin bushing 2 axial floats are provided with positioning step 81 with cylinder bottom guide pin bushing 2 axial contact segments on the cylinder body 8, and as shown in Figure 2, cylinder bottom guide pin bushing 2 is provided with the step 100 that matches with positioning step 81.In order to guarantee the sealability of cylinder bottom guide pin bushing 2 and cylinder body 8, cylinder bottom guide pin bushing 2 is provided with first seal ring 14 with through hole hole wall touching position.
In the above-mentioned oil cylinder, piston head 5 can be designed to integral structure with piston rod 9 also can be designed to split-type structural, preferably adopts split-type design, and split-type design can further be simplified the difficulty of processing of oil cylinder, as shown in Figure 4, on the piston rod 9 of piston head 5 by tightening nut 3 installations.
The fixed form of guide sleeve 11 has multiple, can also can be installed on the cylinder body 8 by other accessories are set by being installed on the cylinder body 8 from screw thread being set on one's body, is fixed on the cylinder body 8 by set screw nut 12 in the utility model embodiment.In order to guarantee guide sleeve 11 and the sealing of cylinder body 8 and the sealing of guide sleeve 11 and piston rod 9, guide sleeve 11 is provided with second seal ring 15 with through hole hole wall touching position; Guide sleeve 11 is provided with the 3rd seal ring 16 with described piston rod 9 touching positions, as shown in Figure 5.
Wherein, realize by step the location of guide sleeve 11 and set screw nut 12, step 110 is set on the guide sleeve 11, set screw nut is provided with step 120, be respectively arranged with step 82 that matches with step 110 and the step 83 that matches with step 120 on the relative axial position of cylinder body 8 and guide sleeve 11 and set screw nut 12, in order to guarantee the accurate location of guide sleeve, step 82 is conical step.
Above-mentioned oil cylinder mounted configuration as shown in Figure 6, wherein, 1 is the cylinder bottom nut; 2 is the cylinder bottom guide pin bushing; 3 is tightening nut; 4 is the epicoele filler opening; 5 is piston head; 6 is the attaching nut; 7 is the main frame crossbeam; 8 is cylinder body; 9 is piston rod; 10 is the cavity of resorption filler opening; 11 is guide sleeve; 12 is set screw nut; 13 is slide block; 14 is first seal ring; 15 is second seal ring; 16 is the 3rd seal ring; 17 is outside thread; 18 is the epicoele oil inlet pipe; 19 is the cavity of resorption oil inlet pipe.
Assemble according to Fig. 1 and structure shown in Figure 6 during assembling, cylinder body 8 tops are provided with cylinder bottom guide pin bushing 2, and first seal ring 14 is housed on this cylinder bottom guide pin bushing 2, and by the cylinder bottom of guide pin bushing 2 at the bottom of cylinder bottom nut 1 hold-down cylinder with the formation sealing.In the bottom of cylinder body 8 is guide sleeve 11 and set screw nut 12, and piston head 5 is contained on the piston rod 9 by tightening nut 3, on guiding 11 second seal ring 15 and the 3rd seal ring 16 is housed.End at the cylindrical of cylinder body 8 is processed with outside thread 17, and the other end is a boss, makes cylinder body 8 by main frame crossbeam 7 with the boss location during installation, with attaching nut 6 cylinder body 8 is fixed on the main frame crossbeam 7.Stretch out an end of cylinder body 8 at piston rod 9 slide block 13 is installed.Epicoele filler opening 4 is installed epicoele oil inlet pipe 18, and cavity of resorption filler opening 10 is installed cavity of resorption oil inlet pipe 19.High pressure oil enters the oil cylinder upper cavity by epicoele oil inlet pipe 18 during work, promotes piston rod 9 and moves downward, and drives slide block 13 and moves downward; High pressure oil enters the oil cylinder lower chamber by cavity of resorption oil inlet pipe 19 during backhaul, promotes piston rod 9 and moves upward, and drives slide block 13 and moves upward.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (6)
1. the oil cylinder of a middle-size and small-size hydraulic press, it is characterized in that, comprise cylinder body (8), piston rod (9) and guide sleeve (11), wherein, described cylinder body (8) is provided with through hole, one end of described through hole is provided with cylinder bottom close-fitting with it, and described guide sleeve (11) is arranged on the other end of described through hole; Described piston rod (9) passes described guide sleeve (11), and the seal chamber that described cylinder body (8), cylinder bottom and guide sleeve (11) are surrounded is divided into upper cavity and lower chamber, and described cylinder body (8) is provided with epicoele filler opening (4) that is connected with described upper cavity and the cavity of resorption filler opening (10) that is connected with described lower chamber; The outer wall of described cylinder body (8) is provided with outside thread (17).
2. the oil cylinder of middle-size and small-size hydraulic press according to claim 1 is characterized in that, described cylinder bottom comprises cylinder bottom guide pin bushing (2) and cylinder bottom nut (1), and described cylinder bottom guide pin bushing (2) is fixed in the described through hole by cylinder bottom nut (1).
3. the oil cylinder of middle-size and small-size hydraulic press according to claim 2 is characterized in that, described cylinder bottom guide pin bushing (2) is provided with first seal ring (14) with described through hole hole wall touching position.
4. the oil cylinder of middle-size and small-size hydraulic press according to claim 1 is characterized in that, described guide sleeve (11) is fixed on the described cylinder body (8) by set screw nut (12).
5. the oil cylinder of middle-size and small-size hydraulic press according to claim 1 is characterized in that, described guide sleeve (11) is provided with second seal ring (15) with described through hole hole wall touching position.
6. the oil cylinder of middle-size and small-size hydraulic press according to claim 1 is characterized in that, described guide sleeve (11) is provided with the 3rd seal ring (16) with described piston rod (9) touching position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120048795 CN202031907U (en) | 2011-02-25 | 2011-02-25 | Oil cylinder of a medium-small hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120048795 CN202031907U (en) | 2011-02-25 | 2011-02-25 | Oil cylinder of a medium-small hydraulic press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202031907U true CN202031907U (en) | 2011-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120048795 Expired - Fee Related CN202031907U (en) | 2011-02-25 | 2011-02-25 | Oil cylinder of a medium-small hydraulic press |
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| Country | Link |
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| CN (1) | CN202031907U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886915A (en) * | 2012-10-31 | 2013-01-23 | 南通皋液液压机有限公司 | Guide pillar guiding structure of hydraulic press |
| CN104527113A (en) * | 2015-01-16 | 2015-04-22 | 马鞍山市润玛机械制造有限公司 | Small hydraulic press |
| CN106593987A (en) * | 2016-12-07 | 2017-04-26 | 泸州长江液压密封件有限公司 | Supporting device convenient to adjust worktable height |
| CN106593986A (en) * | 2016-12-06 | 2017-04-26 | 泸州长江液压密封件有限公司 | Feeding hydraulic cylinder suitable for harsh environment |
-
2011
- 2011-02-25 CN CN 201120048795 patent/CN202031907U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886915A (en) * | 2012-10-31 | 2013-01-23 | 南通皋液液压机有限公司 | Guide pillar guiding structure of hydraulic press |
| CN104527113A (en) * | 2015-01-16 | 2015-04-22 | 马鞍山市润玛机械制造有限公司 | Small hydraulic press |
| CN105479789A (en) * | 2015-01-16 | 2016-04-13 | 马鞍山市润玛机械制造有限公司 | Machining method for cast steel vessel |
| CN106593986A (en) * | 2016-12-06 | 2017-04-26 | 泸州长江液压密封件有限公司 | Feeding hydraulic cylinder suitable for harsh environment |
| CN106593987A (en) * | 2016-12-07 | 2017-04-26 | 泸州长江液压密封件有限公司 | Supporting device convenient to adjust worktable height |
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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: 20111109 Termination date: 20190225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |