CN103883583A - Vertical type hydraulic machine and return cylinder thereof - Google Patents
Vertical type hydraulic machine and return cylinder thereof Download PDFInfo
- Publication number
- CN103883583A CN103883583A CN201410129876.6A CN201410129876A CN103883583A CN 103883583 A CN103883583 A CN 103883583A CN 201410129876 A CN201410129876 A CN 201410129876A CN 103883583 A CN103883583 A CN 103883583A
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- plunger
- cylinder
- extension bar
- groove
- kicker cylinder
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Abstract
The invention discloses a return cylinder for a vertical type hydraulic machine. The return cylinder comprises a cylinder body, a plunger, a plunger gland, a guide sleeve and a sealing element. The return cylinder is characterized in that the plunger comprises a plunger body, a top end and a clamping sleeve, the first end of the plunger body can make reciprocating motion in the cylinder body, the second end of the plunger body is provided with a plunger head, the top end is provided with at least one connecting rod which is used for enabling the plunger head and the top end to be detachably and fixedly connected, the clamping sleeve is arranged on the plunger head, and the clamping sleeve is of two semi-circle structures which are detachably and fixedly connected with the lower end of the connecting rod respectively. By the aid of the return cylinder, replacing work of the guide sleeve and the hydraulic sealing element can be greatly facilitated, and replacing cost is greatly lowered.
Description
Technical field
The present invention relates to hydraulic press technical field, relate in particular to a kind of kicker cylinder of convenient disassembly and there is the vertical hydraulic press of this kicker cylinder.
Background technique
Vertical hydraulic press, especially forging hydraulic press are the key equipments of extensive use during forging is produced.Traditional forging hydraulic press, especially hydraulic press, require highlyer to the sealability of kicker cylinder, and guide pin bushing and seal element in kicker cylinder is easy to damage, and therefore must often change.
Publication number is that the patent of invention that CN101837416A, name are called " a kind of pressurizing system of free-forging hydraulic anti-bias load " discloses a kind of forging hydraulic press, its forging hydraulic press comprises master cylinder, kicker cylinder etc., and wherein the upper/lower terminal of kicker cylinder is connected on the moved cross beam and bottom end rail on forging hydraulic press.
Concrete, kicker cylinder structure as shown in Figure 1, comprise cylinder body 1, plunger 2, plunger gland 3 and be arranged at cylinder body 1 and plunger 2 between guide pin bushing 10 and seal element 4, cylinder body 1 bottom has a cambered surface fitting surface, and plunger 2 tops have a cambered surface fitting surface, to resist unbalance loading pressure, cylinder body 1 is connected with bottom end rail by outer connector 11, plunger 2 is connected with moved cross beam by outer connector 21, and wherein, plunger 2 is monolithic construction.Need to change guide pin bushing 10 and seal element 4 time, due to the restriction of moved cross beam and bottom end rail, plunger 2 must be removed from moved cross beam, then cylinder body is removed from bottom end rail, also kicker cylinder integral demounting from vertical hydraulic press must be got off, then plunger gland 3 and plunger 2 could be dismantled successively, thereby be changed guide pin bushing 10 and seal element 4.
Therefore, it is all-in-one-piece structure that the kicker cylinder of prior art exists the plunger of the kicker cylinder of dismounting inconvenient problem, especially prior art, and the dismantlement work amount that causes changing guide pin bushing and hydraulic seal element is large, changes efficiency low, has reduced manufacturing efficiency.
Summary of the invention
For the problem of the existence of prior art, the object of the present invention is to provide a kind of split plunger type kicker cylinder of convenient disassembly, the dismounting inconvenience existing to solve the kicker cylinder of prior art, changes the large and inefficient technical problem of the workload of guide pin bushing and hydraulic seal element.
Another object of the present invention is to provide a kind of vertical hydraulic press with kicker cylinder of the present invention.
For achieving the above object, the present invention adopts following technological scheme:
For a kicker cylinder for vertical hydraulic press, comprise cylinder body, plunger, plunger gland, guide pin bushing and seal element, it is characterized in that, described plunger comprises: plunger body, first end can to-and-fro motion in described cylinder body, and the second end is provided with plug; Top; At least one extension bar, is removably fixedly connected with described plug and described top; Cutting ferrule, is arranged on described plug, and described cutting ferrule is two semicircular structure, respectively with dismountable being fixedly connected with in lower end of described extension bar.
Kicker cylinder of the present invention, preferably, the length of described extension bar is greater than the minimum length of described plunger body in described cylinder body.
Kicker cylinder of the present invention, preferably, described plug comprises: draw-in groove, boss and jut, described draw-in groove is arranged between described plunger body the second end and described boss, and described jut is arranged on described boss, and described draw-in groove is arranged with described cutting ferrule outward.
Kicker cylinder of the present invention, preferably, described extension bar comprises extension bar body, upper flanges and lower end flange, upper flanges and lower end flange are arranged at respectively described extension bar body two ends, in described lower end flange, offer a groove, in described upper flanges, be provided with one second jut, described groove and described jut match, and described cutting ferrule and described lower end flange are bolted to connection.
Kicker cylinder of the present invention, preferably, described top comprises top cambered surface, top body and top flange, described top cambered surface and described top flange are arranged at respectively body two ends, described top, on the flange of described top, offer one second groove, described the second groove and described the second jut match.
Kicker cylinder of the present invention, preferably, described top body and described top flange connections have a transition part.
Kicker cylinder of the present invention, preferably, described extension bar body and described lower end flange connections have a transition part.
Kicker cylinder of the present invention, preferably, the inwall of described cutting ferrule is step-like.
Vertical hydraulic press of the present invention, has kicker cylinder of the present invention.
Vertical hydraulic press of the present invention, preferably, described vertical hydraulic press is forging hydraulic press or hydraulic straightening machine.
Beneficial effect of the present invention is, kicker cylinder of the present invention, by being multi-segment structure by the plunger design of kicker cylinder, makes kicker cylinder convenient disassembly, is very easy to guide pin bushing, hydraulic seal replacement of element work, greatly reduces replacement cost.
Brief description of the drawings
Fig. 1 is the structural representation of the kicker cylinder of prior art.
Fig. 2 is the structural representation of the vertical hydraulic press of the embodiment of the present invention.
Fig. 3 is the structural representation of the kicker cylinder of the embodiment of the present invention.
Fig. 4 is the structural representation of the plug in Fig. 3.
Fig. 5 is the structural representation of the extension bar in Fig. 3.
Fig. 6 A is the structural representation of the cutting ferrule in Fig. 3.
Fig. 6 B is the a-a sectional view of Fig. 6 A.
Embodiment
The exemplary embodiments that embodies feature & benefits of the present invention will describe in detail in the following description.Be understood that the present invention can have various variations in different embodiments, it neither departs from the scope of the present invention, and explanation wherein and accompanying drawing be when the use that explain in itself, but not in order to limit the present invention.
The vertical hydraulic press of the embodiment of the present invention has the kicker cylinder of the embodiment of the present invention, and the kicker cylinder of the embodiment of the present invention can be used in vertical hydraulic press.The vertical hydraulic press of the embodiment of the present invention is for example forging hydraulic press etc.
Lower mask body is introduced vertical hydraulic press and the kicker cylinder thereof of the embodiment of the present invention.
As shown in Figure 2, be the vertical hydraulic press of the embodiment of the present invention, below by as an example of forging hydraulic press example, the vertical hydraulic press to the embodiment of the present invention describes.
The vertical hydraulic press 9 of the embodiment of the present invention comprises master cylinder 91, moved cross beam 92, kicker cylinder 93 and bottom end rail 94.Kicker cylinder 93 is installed between bottom end rail 94 and moved cross beam 92.The vertical hydraulic press of the embodiment of the present invention can be identical with the vertical hydraulic press 26S Proteasome Structure and Function of prior art, and difference is that the vertical hydraulic press of the embodiment of the present invention has kicker cylinder 93 unlike the prior art.
The kicker cylinder of the embodiment of the present invention, its general structure is roughly roughly the same with the prior art kicker cylinder shown in Fig. 1, difference is that the plunger portion of the kicker cylinder of the embodiment of the present invention is divided and comprised three sections, wherein, between three sections, be detachable, instead of as prior art be all-in-one-piece, but the present invention is not limited with three sections.
As shown in Figure 3, for the 3 stops kicker cylinder of the embodiment of the present invention, comprise cylinder body 1, plunger 2, plunger gland 3 and be arranged at cylinder body 1 and plunger 2 between guide pin bushing 10 and seal element 4, wherein, cylinder body 1, plunger gland 3, guide pin bushing 10, seal element 4 can be same as the prior art, do not repeat them here.
Unlike the prior art, the plunger 2 of the embodiment of the present invention comprises three sections, be respectively plunger body 8, extension bar 6, top 7, this outer plunger 2 also comprises the cutting ferrule 5 that connects plunger body 8 and extension bar 6, cylinder body 1 is connected by outer connector 11 with bottom end rail 94, and top 7 is connected by outer connector 21 with moved cross beam 92.The length of extension bar 6 is greater than the minimum length of plunger body 8 in described cylinder body, this minimum length be plunger body in cylinder body in the time that vertical direction (as shown in Figure 3) moves to the extreme higher position that it can move, plunger body is positioned at the length of cylinder body.
Wherein, cutting ferrule 5 is stuck in plunger body 8, and is fixedly connected with extension bar 6 by bolt, with this, plunger body 8 and extension bar 6 is connected to an entirety, between extension bar 6 and top 7, is mutually mated and is fixedly connected with removably by bolt by flange.
By plunger 2 is divided into multistage, the kicker cylinder of the embodiment of the present invention is in the time changing guide pin bushing 10 and seal element 4, needn't kicker cylinder integral demounting from vertical hydraulic press must be got off as prior art, only need first extension bar 6 to be disassembled with top 7 is middle from plunger body 8, then plunger gland 3 and plunger 2 are dismantled successively, can be changed guide pin bushing 10 and seal element 4 is worked.
As shown in Figure 4, the structural representation of the plug 80 of the plunger body 8 that it is the embodiment of the present invention, plug 80 is positioned at the upper end of plunger body 8, and stretch out outside cylinder body 1 this upper end.Plug 80 comprises draw-in groove 81, boss 82 and jut 83.Draw-in groove 81 is arranged between plunger body 8 and boss 82, and the diameter of draw-in groove 81 is less than the diameter of plunger body 8 and the diameter of boss 82.Jut 83 is arranged on boss 82 and draw-in groove 81 opposite sides, and jut 83 can be cylindric, and the present invention is not as limit, and the diameter of jut 83 is less than the diameter of boss 82.
As shown in Figure 5, be the structural representation of the extension bar 6 of the embodiment of the present invention, extension bar 6 comprises extension bar body 63 and lays respectively at upper flanges 62 and the lower end flange 61 at extension bar body 63 two ends.Wherein, extension bar body 63 is column, and there is respectively a transition part 60 itself and upper flanges 62 and lower end flange 61 joints.This transition part 60 is circular cone column, and it is respectively an obtuse angle and an acute angle with extension bar body 63 and lower end flange 61 joints, with transfer function power better.The diameter of upper flanges 62 and lower end flange 61 is all greater than the diameter of extension bar body 63, protrudes from outside extension bar body 63, and in lower end flange 61, is provided with a groove 64, and these groove 64 sizes and shape and jut 83 match.Plunger body 80 is connected with groove 64 by jut 83 with extension bar 6.In addition, be provided with one second jut 65 in upper flanges 62, this second jut 65 can match that extension bar 6 and top 7 or other extension bars 6 are coupled together with the flange of top.
Top 7 comprises top cambered surface 71, top flange 72 and top body 73, and top cambered surface 71, top flange 72 are arranged at respectively body 73 two ends, top.Top flange 72 structures are similar to the lower end flange 61 of extension bar 6, offer groove 74, and the second jut 65 of the upper flanges 62 of extension bar 6 matches and is bolted to connection with this groove 74, top 7 detachably can be fixedly connected with extension bar 6 thus.In addition, top flange 72 is also provided with transition part with the joint of top between body 73, and the transition part of the transition part here and extension bar body 6 and lower end flange 61 joints is similar is to be also transfer function power better.
As shown in Figure 6A and 6B, be the structural representation of the cutting ferrule 5 of the embodiment of the present invention.Cutting ferrule 5 inwalls of the embodiment of the present invention are step-like, are two semicircular structure, are stuck in draw-in groove 81 places of plunger body 8, and are removably fixedly connected as an entirety with the lower end flange 61 of extension bar 6 by modes such as bolts.The cutting ferrule 5 of each semicircle has the first inwall 51 and the second inwall 52, the first inwalls 51 are resisted against boss 82, prevents cutting ferrule 5 front and back activities and disengaging draw-in groove 81, and guarantee cutting ferrule 5 is connected in draw-in groove 81 places.
It should be noted that, the plunger 2 of the embodiment of the present invention can also comprise multiple extension bars 6.In the time comprising multiple extension bar 6, the second jut 65 of the upper flanges of each extension bar 6 matches with the groove 64 in lower end flange 61, and be removably fixedly connected with by bolt between lower end flange 61 and upper flanges 62, with this, multiple extension bars 6 can be connected to a new extension bar being made up of multiple extension bars 6.Groove 64 in the lower end flange 61 of this new extension bar matches with jut 83 and is removably fixedly connected with by bolt with cutting ferrule 5, the second jut 65 of the upper flanges 62 of this new extension bar matches with the second groove on the flange 72 of top, and this upper flanges 62 is removably fixedly connected with by bolt with top flange 72.
The step of replacing hydraulic seal of the invention process is simple, it is convenient to change, also be, dismounting cutting ferrule 5, unclamp the bolt on the flange between extension bar 6 and cutting ferrule 5, the cutting ferrule of two halves circle 5 is taken out from draw-in groove 81, unclamp the bolt of the flange being connected between extension bar 6 and top 7, promote plunger body 8 a little downwards, so that extension bar 6 is disassembled with top 7 is middle from plunger body 8; Then, dismounting plunger gland 3; Then, plunger body 8 is upwards pulled, take out plunger body 8, thereby change guide pin bushing 10 and seal element 4.
Technological scheme of the present invention is disclosed as above by preferred embodiment.Those skilled in the art should recognize change and the retouching the scope and spirit of the present invention that the appended claim of the present invention discloses, done in the case of not departing from, within all belonging to the protection domain of claim of the present invention.
Claims (10)
1. for a kicker cylinder for vertical hydraulic press, comprise cylinder body, plunger, plunger gland, guide pin bushing and seal element, it is characterized in that, described plunger comprises:
Plunger body, first end can to-and-fro motion in described cylinder body, and the second end is provided with plug;
Top;
At least one extension bar, is removably fixedly connected with described plug and described top;
Cutting ferrule, is arranged on described plug, and described cutting ferrule is two semicircular structure, respectively with dismountable being fixedly connected with in lower end of described extension bar.
2. kicker cylinder as claimed in claim 1, is characterized in that, the length of described extension bar is greater than the minimum length of described plunger body in described cylinder body.
3. kicker cylinder as claimed in claim 1, it is characterized in that, described plug comprises: draw-in groove, boss and jut, and described draw-in groove is arranged between described plunger body the second end and described boss, described jut is arranged on described boss, and described draw-in groove is arranged with described cutting ferrule outward.
4. kicker cylinder as claimed in claim 3, it is characterized in that, described extension bar comprises extension bar body, upper flanges and lower end flange, upper flanges and lower end flange are arranged at respectively described extension bar body two ends, in described lower end flange, offer a groove, in described upper flanges, be provided with one second jut, described groove and described jut match, and described cutting ferrule and described lower end flange are bolted to connection.
5. kicker cylinder as claimed in claim 4, it is characterized in that, described top comprises top cambered surface, top body and top flange, described top cambered surface and described top flange are arranged at respectively body two ends, described top, on the flange of described top, offer one second groove, described the second groove and described the second jut match.
6. kicker cylinder as claimed in claim 1, is characterized in that, described top body and described top flange connections have a transition part.
7. kicker cylinder as claimed in claim 4, is characterized in that, described extension bar body and described lower end flange connections have a transition part.
8. kicker cylinder as claimed in claim 4, is characterized in that, the inwall of described cutting ferrule is step-like.
9. a vertical hydraulic press, is characterized in that, comprises the arbitrary described kicker cylinder of claim 1-7.
10. vertical hydraulic press as claimed in claim 9, is characterized in that, described vertical hydraulic press is forging hydraulic press or hydraulic straightening machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410129876.6A CN103883583A (en) | 2014-04-01 | 2014-04-01 | Vertical type hydraulic machine and return cylinder thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410129876.6A CN103883583A (en) | 2014-04-01 | 2014-04-01 | Vertical type hydraulic machine and return cylinder thereof |
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| Publication Number | Publication Date |
|---|---|
| CN103883583A true CN103883583A (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410129876.6A Pending CN103883583A (en) | 2014-04-01 | 2014-04-01 | Vertical type hydraulic machine and return cylinder thereof |
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| Country | Link |
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| CN (1) | CN103883583A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109202411A (en) * | 2017-07-07 | 2019-01-15 | 上海五钢设备工程有限公司 | The hydraulic cylinder copper sheathing Replacement procedure of fast forging equipment |
| CN110864025A (en) * | 2019-11-21 | 2020-03-06 | 衡阳市林肯液压设备有限公司 | Quick hydraulic oil cylinder |
| CN113202836A (en) * | 2021-04-27 | 2021-08-03 | 中铁工程装备集团有限公司 | Structure for preventing oil cylinder from being biased |
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| CN201090552Y (en) * | 2007-07-25 | 2008-07-23 | 天津市天锻压力机有限公司 | Large-scale hydraulic press sliding block drive oil cylinder |
| CN201329399Y (en) * | 2008-12-31 | 2009-10-21 | 二重集团（德阳）重型装备股份有限公司 | Return mechanism of hydraulic press |
| US20090277733A1 (en) * | 2007-05-19 | 2009-11-12 | Stabilus Gmbh | Kolben-Zylinderaggregat |
| CN102009484A (en) * | 2010-09-28 | 2011-04-13 | 天津市天锻压力机有限公司 | Hydraulic cylinder plunger installation structure for powder hydraulic press |
| CN202071371U (en) * | 2011-01-17 | 2011-12-14 | 合肥合锻机床股份有限公司 | Large-scale gantry hydraulic press with guide rail-free guide slide block |
| CN102582100A (en) * | 2012-02-17 | 2012-07-18 | 天津市天锻压力机有限公司 | Unidirectional plunger type oil cylinder of hydraulic press |
| CN103111573A (en) * | 2013-02-01 | 2013-05-22 | 青岛嘉龙自动化设备有限公司 | Forging machine with return cylinder anti-unbalance-loading mechanisms and assembling method and using method thereof |
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2014
- 2014-04-01 CN CN201410129876.6A patent/CN103883583A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090277733A1 (en) * | 2007-05-19 | 2009-11-12 | Stabilus Gmbh | Kolben-Zylinderaggregat |
| CN201090552Y (en) * | 2007-07-25 | 2008-07-23 | 天津市天锻压力机有限公司 | Large-scale hydraulic press sliding block drive oil cylinder |
| CN201329399Y (en) * | 2008-12-31 | 2009-10-21 | 二重集团（德阳）重型装备股份有限公司 | Return mechanism of hydraulic press |
| CN102009484A (en) * | 2010-09-28 | 2011-04-13 | 天津市天锻压力机有限公司 | Hydraulic cylinder plunger installation structure for powder hydraulic press |
| CN202071371U (en) * | 2011-01-17 | 2011-12-14 | 合肥合锻机床股份有限公司 | Large-scale gantry hydraulic press with guide rail-free guide slide block |
| CN102582100A (en) * | 2012-02-17 | 2012-07-18 | 天津市天锻压力机有限公司 | Unidirectional plunger type oil cylinder of hydraulic press |
| CN103111573A (en) * | 2013-02-01 | 2013-05-22 | 青岛嘉龙自动化设备有限公司 | Forging machine with return cylinder anti-unbalance-loading mechanisms and assembling method and using method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109202411A (en) * | 2017-07-07 | 2019-01-15 | 上海五钢设备工程有限公司 | The hydraulic cylinder copper sheathing Replacement procedure of fast forging equipment |
| CN110864025A (en) * | 2019-11-21 | 2020-03-06 | 衡阳市林肯液压设备有限公司 | Quick hydraulic oil cylinder |
| CN113202836A (en) * | 2021-04-27 | 2021-08-03 | 中铁工程装备集团有限公司 | Structure for preventing oil cylinder from being biased |
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Application publication date: 20140625 |
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