CN205423392U - High pressure mode locking hydro -cylinder - Google Patents
High pressure mode locking hydro -cylinder Download PDFInfo
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- CN205423392U CN205423392U CN201620240167.XU CN201620240167U CN205423392U CN 205423392 U CN205423392 U CN 205423392U CN 201620240167 U CN201620240167 U CN 201620240167U CN 205423392 U CN205423392 U CN 205423392U
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- oil
- piston rod
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- oil duct
- cylinder
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Abstract
The utility model discloses a high pressure mode locking hydro -cylinder, including the piston rod, piston with piston rod integrated into one piece, and a valve cor, fixed cover and cylinder body, wherein the case is installed on the piston rod with fixed cover, the piston is installed in the cylinder body, case and piston, fixed cover all corresponds the setting, the piston rod is equipped with first oil duct and second oil duct, a piston rod, the case encloses into first valve port with fixed cover, piston rod and case enclose into the second valve port, first oil duct is linked together with first valve port, the second oil duct is linked together with the second valve port, be equipped with first oil pocket and second oil pocket in the cylinder body, first oil pocket and second oil pocket are located the both sides of piston respectively, the cylinder body is equipped with high -pressure hydraulic fluid port, the high pressure hydraulic fluid port is linked together with first oil pocket. The utility model has the advantages of simple structure, the leakproofness is good, and operational reliability in the time of increasing the mode locking adopts inner loop formula structure moreover, can effectively improve the cycle efficiency of hydraulic oil, reduces the energy consumption and guarantees mold movement speed.
Description
Technical field
This utility model relates to oil cylinder manufacture field, especially relates to a kind of high-voltage lock mould oil cylinder.
Background technology
Traditional Mode-locking oil cylinder majority uses the Mode-locking oil cylinder of outer circulation type, the i.e. hydraulic oil of the oil cylinder in Mode-locking oil cylinder is required to access from the external world and carry out circulation cycle with the external world, traditional Mode-locking oil cylinder structure is the most more complicated, its circulation needs to arrange multiple turnover oilhole on cylinder body for convenience, but the hydraulic oil circulation rate in Mode-locking oil cylinder is slower, logical oil mass is low, the speed that can cause shifting formwork is slow, and increase energy consumption, and the traditional locks mould oil cylinder worked in high pressure, its poor sealing, it is easily caused pressure release to reveal and cause damage, the most traditional Mode-locking oil cylinder is independently arranged due to piston rod and piston, the intensity of piston rod is relatively low and its fatigue resistance is low, service life is short, poor reliability.
Utility model content
The purpose of this utility model is to provide a kind of simple in construction, good airproof performance, and fatigue resistance is high, and the life-span is long, and the cycle efficieny of hydraulic oil is high, the high-voltage lock mould oil cylinder of the internal-circulation type that dependability is strong.
According to an aspect of the present utility model, provide a kind of high-voltage lock mould oil cylinder, including piston rod, piston integrated with piston rod, spool, fixed cover and cylinder body, wherein spool and fixed cover are installed on the piston rod, piston is arranged in cylinder body, spool and piston, fixed cover is all correspondingly arranged, piston rod is provided with the first oil duct and the second oil duct, first valve port is by piston rod, spool and fixed cover surround, second valve port is surrounded by piston rod and spool, first oil duct and the first valve port are connected, second oil duct and the second valve port are connected, the first oil pocket and the second oil pocket it is provided with in cylinder body, first oil pocket and the second oil pocket lay respectively at the both sides of piston, cylinder body is provided with high pressure hydraulic fluid port, high pressure hydraulic fluid port and the first oil pocket are connected.
The beneficial effects of the utility model are: this utility model is by affecting the state of the first valve port and the second valve port so that spool moves to different directions at the first oil duct or the second oil duct input hydraulic pressure oil; to control the first oil pocket and the connected state of the second oil pocket, thus piston rod is carried out effect that is locked or that loosen to reach locked mode or shifting formwork.Piston rod of the present utility model and piston are made of one formula can improve the intensity of piston rod and piston, damage ensureing them to be difficult to by hydraulic oil, and its fatigue strength can be improved, to extend its service life, spool and piston, fixed cover be correspondingly arranged the stop position that can limit when spool moves, it is ensured that the work of spool reliable and accurately.Simple in construction of the present utility model, good airproof performance, functional reliability when can increase locked mode, and use internal-circulation type structure, the cycle efficieny of hydraulic oil can be effectively improved, reduce energy consumption and ensure speed of moving mold.
In some embodiments, piston rod is provided with the first connecting hole and the second connecting hole, and wherein the first oil duct, the first connecting hole and the first valve port all connect, and the second oil duct, the second connecting hole and the second valve port all connect.The setting of the first connecting hole and the second connecting hole can guarantee that hydraulic oil can be toward the first valve port and the flowing of the second valve port, the control reliability moved spool with guarantee.
In some embodiments, being provided with through hole in piston rod, be provided with petroleum pipeline in through hole, wherein the first oil duct is positioned at outside petroleum pipeline, and the second oil duct is positioned at inside petroleum pipeline.Through hole the setting that can facilitate petroleum pipeline is set, the arranging of petroleum pipeline can make the first oil duct and the second oil duct more collect neutralization to simplify.
In some embodiments, high-voltage lock mould oil cylinder also includes valve gap, and valve gap is arranged in piston rod, and is connected with petroleum pipeline, and valve gap is provided with the 3rd connecting hole, and wherein the second oil duct, the second connecting hole, the second valve port and the 3rd connecting hole all connect.Valve gap the installation that can facilitate petroleum pipeline is set, and the 3rd connecting hole the flow direction that can conveniently control hydraulic oil is set, to better control over the movement of spool.
In some embodiments, piston is provided with side oil duct, wherein side oil duct and the connection of the second oil pocket.Survey arranging of oil duct and can increase the circulation area of hydraulic oil between the first oil pocket and the second oil pocket, the velocity of liquid assets of hydraulic oil and efficiency during circulation in improving, and can prevent high pressure liquid force feed concentrations from making pressure too big and piston and piston rod are caused damage.
In some embodiments, cylinder body includes cylinder barrel, drive end bearing bracket and rear end cap, and wherein cylinder barrel one end is connected with drive end bearing bracket, and the other end is connected with rear end cap, and cylinder barrel is provided with high pressure hydraulic fluid port, and piston rod passes drive end bearing bracket.Cylinder body uses simple structure to arrange, and can improve the sealing of cylinder body, and ensure the intensity of cylinder body.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high-voltage lock mould oil cylinder of a kind of embodiment of the present utility model.
Fig. 2 is the partial enlarged drawing of the part A of a kind of high-voltage lock mould oil cylinder shown in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail.
With reference to Fig. 1 and Fig. 2, a kind of high-voltage lock mould oil cylinder of the present utility model, including piston rod 1, piston 2, spool 3, fixed cover 4, cylinder body 5 and valve gap 6.Wherein, cylinder body 5 includes that cylinder barrel 54, drive end bearing bracket 55 and rear end cap 56, drive end bearing bracket 55 and rear end cap 56 are separately mounted to the two ends of cylinder barrel 54, and is removably connected by the mode such as bolt or buckle with cylinder barrel 54.
nullOne end and the piston 2 of piston rod 1 are one-body molded，The other end is through drive end bearing bracket 55 to be connected with injection machine，Piston 2 is arranged in the cylinder barrel 54 of cylinder body 5，The first oil pocket 51 and the second oil pocket 52 it is provided with in cylinder body 5，First oil pocket 51 and the second oil pocket 52 separate with piston 2 for boundary，Lay respectively at the both sides of piston 2，Spool 3 and fixed cover 4 are installed on piston rod 1，And the installation site of spool 3 is corresponding with the installation site of piston 2 and fixed cover 4，When spool 3 after i.e. installing moves toward the direction of piston 2，Spool 3 can contact with piston 2 and the first oil pocket 51 and the second oil pocket 52 are disconnected connection，When spool 3 moves toward the direction of fixed cover 4，Spool 3 can contact with fixed cover 4 and make the first oil pocket 51 and the second oil pocket 52 to be connected，And in order to improve the interior cycle efficieny of hydraulic oil，Piston 2 is provided with side oil duct 21，Side oil duct 21 connects with the second oil pocket 52，And when spool 3 does not contacts with piston 2，Survey oil duct 21 also to connect with the first oil pocket 51.It addition, be additionally provided with high pressure hydraulic fluid port 53 on cylinder barrel 54, high pressure hydraulic fluid port 53 is connected with the first oil pocket 51.
Piston rod 1, spool 3 and fixed cover 4 surround the first valve port 31, piston rod 1 and spool 3 surround the second valve port 32, i.e. first valve port 31 and the second valve port 32 lay respectively at the both sides in spool 3, valve gap 6 is arranged in piston rod 1, is provided with through hole in piston rod 1, is provided with petroleum pipeline 15 in through hole, petroleum pipeline 15 is arranged on valve gap 6, and connect with valve gap 6, and the outside of petroleum pipeline 15 is provided with the first oil duct 11, the inner side of petroleum pipeline 15 is provided with the second oil duct 12.The first connecting hole 13 and the second connecting hole 14 it is additionally provided with in piston rod 1, valve gap 6 is provided with the 3rd connecting hole 61, and making first oil duct the 11, first connecting hole 13 all connect with the first valve port 31, second oil duct the 12, second connecting hole the 14, second valve port 32 all connects with the 3rd connecting hole 61.
During utility model works, one end that piston rod 1 stretches out outside drive end bearing bracket 55 is connected with the moving platen of injection machine, when moving platen matched moulds drive piston rod 1 move into place need to carry out locked mode time, it is passed through hydraulic oil in the first oil duct 11, hydraulic oil enters into the first connecting hole 13 from the first oil duct 11, enters back in the first valve port 31.Entering into the hydraulic oil in the first valve port 31 and act on the side of spool 3, promote spool 3 to move toward piston 2 direction, when spool 3 contacts with piston 2, the first oil pocket 51 and the second oil pocket 52 are cut off, and the i.e. first oil pocket 51 cannot connect with the second oil pocket 52.Now, then by high pressure hydraulic fluid port 53 in the first oil pocket 51, it is passed through hydraulic oil, owing to hydraulic oil cannot flow in the second oil pocket 52, hydraulic oil can push down piston 2 and piston rod integrated with piston 21, hydraulic oil provides clamp force, piston rod 1 to maintain static for piston rod 1, thus realizes locked mode action.
And when locked mode terminates to need die sinking, first suitably lay down a part of hydraulic oil in the first oil pocket 51, simultaneously, stop toward input hydraulic pressure oil in the first oil duct 11, alter course and be passed through hydraulic oil in the second oil duct 12, hydraulic oil enters into the 3rd connecting hole 61 from the second oil duct 12, enters back in the second connecting hole 14, is finally flowed in the second valve port 32.Enter into the hydraulic oil in the second valve port 32 and act on the opposite side of spool 3, spool 3 is promoted to move toward fixed cover 4 direction, spool 3 and piston 2 separate, first oil pocket 51 connects with the second oil pocket 52, hydraulic oil in first oil pocket 51 flows rapidly in the second oil pocket 52 by the side oil duct 21 of piston 2, and hydraulic oil no longer pushes down piston 2 and piston rod integrated with piston 21, now, injection machine carries out die sinking action, and moving platen can drive piston rod quickly to move and complete die sinking action.
This utility model simple in construction, can be arranged on various injection machine, applied widely, can guarantee that the reliability of locked mode, and improves the efficiency of shifting formwork, reduces energy consumption, and uses fatigue resistance high, and service life is long, practical.
Above-described is only embodiments more of the present utility model.For the person of ordinary skill of the art, on the premise of creating design without departing from this utility model, it is also possible to making some deformation and improvement, these broadly fall into protection domain of the present utility model.
Claims (6)
- null1. a high-voltage lock mould oil cylinder，It is characterized in that，Including piston rod (1)、With piston rod (1) integrated piston (2)、Spool (3)、Fixed cover (4) and cylinder body (5)，Described spool (3) and fixed cover (4) are arranged on piston rod (1)，Described piston (2) is arranged in cylinder body (5)，Described spool (3) and piston (2)、Fixed cover (4) is all correspondingly arranged，Described piston rod (1) is provided with the first oil duct (11) and the second oil duct (12)，Described piston rod (1)、Spool (3) and fixed cover (4) surround the first valve port (31)，Described piston rod (1) and spool (3) surround the second valve port (32)，Described first oil duct (11) is connected with the first valve port (31)，Described second oil duct (12) is connected with the second valve port (32)，The first oil pocket (51) and the second oil pocket (52) it is provided with in described cylinder body (5)，Described first oil pocket (51) and the second oil pocket (52) lay respectively at the both sides of piston (2)，Described cylinder body (5) is provided with high pressure hydraulic fluid port (53)，Described high pressure hydraulic fluid port (53) is connected with the first oil pocket (51).
- A kind of high-voltage lock mould oil cylinder the most according to claim 1, it is characterized in that, described piston rod (1) is provided with the first connecting hole (13) and the second connecting hole (14), described first oil duct (11), the first connecting hole (13) all connect with the first valve port (31), and described second oil duct (12), the second connecting hole (14) all connect with the second valve port (32).
- A kind of high-voltage lock mould oil cylinder the most according to claim 1, it is characterized in that, described piston rod is provided with through hole in (1), petroleum pipeline (15) it is provided with in described through hole, described first oil duct (11) is positioned at petroleum pipeline (15) outside, and described second oil duct (12) is positioned at petroleum pipeline (15) inner side.
- A kind of high-voltage lock mould oil cylinder the most according to claim 3, it is characterized in that, including valve gap (6), described valve gap (6) is arranged in piston rod (1), and be connected with petroleum pipeline (15), described valve gap (6) is provided with the 3rd connecting hole (61), and described second oil duct (12), the second connecting hole (14), the second valve port (32) all connect with the 3rd connecting hole (61).
- A kind of high-voltage lock mould oil cylinder the most according to claim 1, it is characterised in that described piston (2) is provided with side oil duct (21), and described side oil duct (21) connects with the second oil pocket (52).
- A kind of high-voltage lock mould oil cylinder the most according to claim 1, it is characterized in that, described cylinder body (5) includes cylinder barrel (54), drive end bearing bracket (55) and rear end cap (56), described cylinder barrel (54) one end is connected with drive end bearing bracket (55), the other end is connected with rear end cap (56), described cylinder barrel (54) is provided with high pressure hydraulic fluid port (53), and described piston rod (1) passes drive end bearing bracket (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620240167.XU CN205423392U (en) | 2016-03-24 | 2016-03-24 | High pressure mode locking hydro -cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620240167.XU CN205423392U (en) | 2016-03-24 | 2016-03-24 | High pressure mode locking hydro -cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN205423392U true CN205423392U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620240167.XU Expired - Fee Related CN205423392U (en) | 2016-03-24 | 2016-03-24 | High pressure mode locking hydro -cylinder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107824760A (en) * | 2017-11-02 | 2018-03-23 | 宁波海天金属成型设备有限公司 | A kind of head plate mold liftout attachment of die casting machine |
-
2016
- 2016-03-24 CN CN201620240167.XU patent/CN205423392U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107824760A (en) * | 2017-11-02 | 2018-03-23 | 宁波海天金属成型设备有限公司 | A kind of head plate mold liftout attachment of die casting machine |
| CN107824760B (en) * | 2017-11-02 | 2024-05-17 | 宁波海天金属成型设备有限公司 | Head plate die ejection device of die casting machine |
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| Date | Code | Title | Description |
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| 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: 20160803 Termination date: 20200324 |
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| CF01 | Termination of patent right due to non-payment of annual fee |