CN205416269U - Double -cylinder vertical compression formula locking mechanism - Google Patents
Double -cylinder vertical compression formula locking mechanism Download PDFInfo
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- CN205416269U CN205416269U CN201620240154.2U CN201620240154U CN205416269U CN 205416269 U CN205416269 U CN 205416269U CN 201620240154 U CN201620240154 U CN 201620240154U CN 205416269 U CN205416269 U CN 205416269U
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- containing cavity
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- housing
- vertical compression
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Abstract
The utility model discloses a double -cylinder vertical compression formula locking mechanism, a double -cylinder vertical compression formula locking mechanism, including working cylinder, supplementary jar, fixed die plate, movable mould board and tailboard. The utility model discloses the cooperation in interior each chamber of dependence working chamber and compensated cavity enables hydraulic oil and circulates fast between working cylinder and supplementary jar to this effect that reaches die sinking, compound die and mode locking, owing to used the inner loop structure, consequently the utility model has the advantages of simple structure, and sealing performance is good, and external oil circuit can significantly reduce to the cycle efficiency of hydraulic oil be can effectively improve, energy consumption and long service life are reduced.
Description
Technical field
This utility model relates to clamping design field, especially relates to a kind of twin-tub vertical compression type mould closing mechanism.
Background technology
Injection machine, during to product injection mo(u)lding, needs to carry out the work such as shifting formwork and locked mode, therefore would generally arrange the clamping that can realize this type of action on injection machine.And owing to the driving force of hydraulic system is big, stable movement, therefore many clampings employ HYDRAULIC CONTROL SYSTEM.If although traditional fluid pressure type clamping uses single cylinder efficient cost relatively low; but functional reliability is the highest; once what problem work occurs, it is difficult to; potential safety hazard is big; easily cause huge loss; and the intensity of single oil cylinder and fatigue resistance etc. are required the highest; if using multiple cylinder efficient, the mould shifting oil cylinder of clamping many employings outer circulation type realizes the hydraulic oil in shifting formwork and locked mode action, i.e. mould shifting oil cylinder and is required to access from the external world and carry out circulation cycle with the external world.Its circulation for convenience of this clamping needs to arrange multiple turnover oilhole on housing; make clamping structure complicated; and make oil circuit complicated; response time is longer, and the circulation rate causing hydraulic oil is relatively slow, and logical oil mass is low; not only can reduce the speed of shifting formwork; and when locked mode boosting time long, the work efficiency of injection machine can be affected, and increase energy consumption.
Utility model content
The purpose of this utility model is to provide a kind of simple in construction, good airproof performance, and service life is long, and the cycle efficieny of hydraulic oil is high, the twin-tub vertical compression type mould closing mechanism of the internal-circulation type that work efficiency is high.
nullAccording to an aspect of the present utility model，Provide a kind of twin-tub vertical compression type mould closing mechanism，Including working cylinder、Auxiliary cylinders、Solid plate、Moving platen and tailgate，Wherein solid plate、Moving platen and tailgate are sequentially connected with，Working cylinder includes the first housing、Shifting formwork piston rod、Locking piston bar、First piston integrated with locking piston bar、Spool and valve gap，First shell one end is fixedly mounted in tailgate，The other end is arranged on locking piston bar，Shifting formwork piston rod one end is arranged in locking piston bar，The other end is fixedly mounted in tailgate，Locking piston bar one end is fixedly connected on moving platen，The other end is connected with valve gap，First piston is arranged in the first housing，Spool is arranged on locking piston bar，And be all correspondingly arranged with first piston and valve gap，Locking piston bar、Spool and valve gap surround the first valve port，Locking piston bar and spool surround the second valve port，The first containing cavity and the second containing cavity it is provided with in first housing，The first oil pocket and the second oil pocket it is provided with in locking piston bar，Locking piston bar is additionally provided with the first oil duct connected with the first valve port、The second oil duct connected with the second valve port and the 3rd oil duct connected with the second oil pocket，Shifting formwork piston rod is provided with the 4th oil duct connected with the first oil pocket，Auxiliary cylinders includes the second housing、Auxiliary piston rod and the second piston，In second housing, one end is fixed in tailgate，The other end is arranged on auxiliary piston rod，Second piston one end is arranged on auxiliary piston rod，The other end is arranged in the second housing，Auxiliary piston rod is connected with moving platen，The first cavity and the second cavity it is provided with in second housing，Second cavity and the second containing cavity are connected.
nullThe beneficial effects of the utility model are: this utility model by the logical oil situation controlling the first oil pocket and the first oil pocket and the second oil pocket realize moving platen and solid plate near or away from，Matched moulds and die sinking action is realized with this，Coordinate again and affect 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 containing cavity and the connected state of the second containing cavity，Thus locking piston bar is carried out effect that is locked or that loosen to reach locked mode or shifting formwork，And employ auxiliary cylinders and carry out the work of back work cylinder，Auxiliary cylinders can share the first containing cavity and the second containing cavity carry out fast hydraulic pressure oil circulation time，Working cylinder pressure experienced，And when can make shifting formwork，Working cylinder is average reliable to the force of moving platen，The intensity improving working cylinder with this and service life.In this utility model dependence working chamber and compensated cavity, the cooperation in each chamber can make hydraulic oil circulate rapidly between working cylinder and auxiliary cylinders, the effect of die sinking, matched moulds and locked mode is reached with this, owing to employing inner circulation structure, simple in construction the most of the present utility model, and good seal performance, can greatly reduce external oil circuit, and the cycle efficieny of hydraulic oil can be effectively improved, reduce energy consumption and service life is long.
In some embodiments, twin-tub vertical compression type mould closing mechanism also includes communicating pipe, and wherein the second cavity and the second containing cavity were connected by communicating pipe.Arranging of communicating pipe can facilitate the second cavity and the connection of the second containing cavity, reduces peripheral hardware oil circuit, the speed of circulation in improving, and ensures shifting formwork functional reliability.
In some embodiments, working cylinder, the first containing cavity and the second containing cavity are two, and the volume sum of two the second containing cavities and the second cavity is equal to the volume sum of two the first containing cavities.This two-part volume is equal, can guarantee that hydraulic oil the most all can be filled in each chamber, make to have inside it certain pressure, hydraulic oil energy Rapid Circulation when circulating in facilitating it, improve speed of moving mold, it is difficult to occur that unreasonable to cause hydraulic oil fully to follow bad because a certain partial volume is arranged, causes shifting formwork to make mistakes.
In some embodiments, tailgate is provided with the first hole and the second hole, and wherein the first cavity and the first hole are connected, and two the first containing cavities are connected by the second hole.Arranging of first hole can facilitate the first cavity and atmosphere, and without using hydraulic oil control, can simplify oil circuit and save the energy, the second hole the connection that can facilitate two the first containing cavities is set, simplify oil circuit.
In some embodiments, valve gap is provided with connecting hole, and wherein the first oil duct, connecting hole and the first valve port all connect.Connecting hole the setting that can facilitate the first oil duct is set, and ensure that the first oil duct and the first valve port can correctly connect.
In some embodiments, first piston is provided with side oil duct, and wherein side oil duct and the second containing cavity are connected.Survey arranging of oil duct and can increase the circulation area of hydraulic oil between the first containing cavity and the second containing cavity; 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 first piston and locking piston bar are caused damage.
In some embodiments, working cylinder includes that block, block are arranged on shifting formwork piston rod, and is all connected with locking piston bar and valve gap.The setting of block seals, to ensure shifting formwork piston rod and locking piston bar energy accurate work in can guarantee that locking piston bar.
Accompanying drawing explanation
Fig. 1 is the structural representation of the twin-tub vertical compression type mould closing mechanism 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 twin-tub vertical compression type mould closing mechanism shown in Fig. 1.
Fig. 3 is the partial enlarged drawing of the part B of a kind of twin-tub vertical compression type mould closing mechanism 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, Fig. 2 and Fig. 3; a kind of twin-tub vertical compression type mould closing mechanism of the present utility model; including working cylinder 1, auxiliary cylinders 2, solid plate 3, moving platen 4 and tailgate 5; wherein solid plate 3, moving platen 4 and tailgate 5 are sequentially connected with; working cylinder 1 has two; two working cylinders 1 and auxiliary cylinders 2 are installed between moving platen 4 and tailgate 5, and two working cylinders 1 are symmetrically mounted on auxiliary cylinders 2 both sides.
Each working cylinder 1 includes the first housing 11, shifting formwork piston rod 12, locking piston bar 13 and the integrated first piston of locking piston bar 13 14, spool 15, valve gap 16 and block 17.nullFirst housing 11 one end is fixedly mounted in tailgate 5，The other end is arranged on locking piston bar 13，Shifting formwork piston rod 12 one end is arranged in locking piston bar 13，The other end is rushed across valve gap and is fixedly mounted in tailgate 5，Locking piston bar 13 one end is fixedly connected on moving platen 4，The other end is connected with valve gap 16，Connecting hole 161 it is additionally provided with on valve gap 16，Block 17 is arranged on shifting formwork piston rod 12，And be all connected with locking piston bar 13 and valve gap 16，First piston 14 is arranged in the first housing 11，Spool 15 is arranged on locking piston bar 13，Make locking piston bar 13、Spool 15 and valve gap 16 surround the first valve port 151，Locking piston bar 13 and spool 15 surround the second valve port 152，I.e. in spool 15, side is provided with the first valve port 151，Opposite side is provided with the second valve port 152，And in the first housing 11, it is provided with the first containing cavity 111 and the second containing cavity 112，Spool 15 is also all correspondingly arranged with first piston 14 and valve gap 16，When spool 15 after i.e. installing moves toward the direction of first piston 14，Spool 15 can contact with first piston 15 and the first containing cavity 111 and the second containing cavity 112 are disconnected connection，When spool 15 moves toward the direction of valve gap 16，Spool 15 can contact with valve gap 16 and make the first containing cavity 111 and the second containing cavity 112 to be connected，The first oil pocket 131 and the second oil pocket 132 it is provided with in locking piston bar 13，Locking piston bar 13 is additionally provided with the first oil duct 133、Second oil duct 134 and the 3rd oil duct 135，First oil duct 133 is connected by connecting hole 161 with the first valve port 151，Second oil duct 134 is connected with the second valve port 152，3rd oil duct 135 is connected with the second oil pocket 132，Shifting formwork piston rod 12 is provided with the 4th oil duct 121，4th oil duct 121 is connected with the first oil pocket 131.It addition, first piston 14 is provided with side oil duct 141, side oil duct 141 is connected with the second containing cavity 112, and convenient in order to lead to oil, and the first housing 11 of one of them working cylinder 1 is provided with high pressure hydraulic fluid port 113, and high pressure hydraulic fluid port 113 is connected with the first containing cavity 111.
Auxiliary cylinders 2 includes the second housing 21, auxiliary piston rod 22 and the second piston 23, in second housing 21, one end is fixed in tailgate 5, the other end is arranged on auxiliary piston rod 22, second piston 23 one end is arranged on auxiliary piston rod 22, the other end is arranged in the second housing 21, auxiliary piston rod 22 is connected with moving platen 4, is provided with the first cavity 211 and the second cavity 212 in the second housing 21.
This utility model also includes communicating pipe 6, it is arranged on communicating pipe 6 between first housing 11 and the second housing 21, and first be designed with the via hole matched with communicating pipe 6 size on housing 11 and the second housing 21, two the second containing cavities 112 all pass through via hole and are connected with the second cavity 212 with communicating pipe 6.Additionally, tailgate 5 is additionally provided with the first hole 51 and the second hole, first cavity 212 is connected with the first hole 51, and two the first containing cavities 111 are connected by the second hole, and the volume sum of two the second containing cavities 112 and the second cavity 212 is equal to the volume sum of two the first containing cavities 111.
During utility model works, when carrying out mould assembling action, i.e. need to allow moving platen 4 move toward solid plate 3 direction, it is passed through hydraulic oil toward the 3rd oil duct 135 in two working cylinders 1, hydraulic oil enters into the second oil pocket 132 from the 3rd oil duct 135, owing to shifting formwork piston rod 12 maintains static, hydraulic oil promotes locking piston bar 13 to move, locking piston bar 13 band moving platen 4 moves toward solid plate 3 direction, simultaneously, moving platen 4 also can drive the auxiliary piston rod 21 of auxiliary cylinders 2 to move toward solid plate 3 direction, until matched moulds puts in place, stop being passed through hydraulic oil in the 3rd oil duct 135 in two working cylinders 1, moving platen 4 no longer moves, complete mould assembling action.
When carrying out locked mode action, being passed through hydraulic oil toward the first oil duct 133 in two working cylinders 1, hydraulic oil enters into connecting hole 161 from the first oil duct 133, enters back in the first valve port 151.Enter into the hydraulic oil in the first valve port 151 and act on the side of spool 15, spool 15 is promoted to move toward first piston 14 direction, when spool 15 contacts with first piston 14, the first containing cavity 111 and the second containing cavity 112 are cut off, and the i.e. first containing cavity 111 cannot connect with the second containing cavity 112.Now; again by being passed through hydraulic oil in the first containing cavity 111 of this cylinder in the high pressure hydraulic fluid port 113 of one of them working cylinder 1; owing to hydraulic oil cannot flow in the second containing cavity 112 of this cylinder; and two first housed 111 chambeies and be connected by the second hole; so final two the first containing cavities 111 all can be filled up by hydraulic oil; hydraulic oil can push down the first piston 14 of two working cylinders 1 and locking piston bar 13 integrated with first piston 14; hydraulic oil provides clamp force for locking piston bar 13; locking piston bar 13 maintains static, thus realizes locked mode action.
When carrying out die sinking action, first suitably lay down a part of hydraulic oil in the first containing cavity 111, spool 15 can be moved, then, stop being passed through hydraulic oil in the first oil duct 133, altering course and be passed through hydraulic oil in the second oil duct 134 in two working cylinders 1, hydraulic oil enters in the second valve port 152 from the second oil duct 134.nullEnter into the hydraulic oil in the second valve port 152 and act on the opposite side of spool 15，Spool 15 is promoted to move toward valve gap 16 direction，Spool 15 and first piston 14 separate，First containing cavity 111 connects with the second containing cavity 112，Hydraulic oil in first containing cavity 111 can be flowed rapidly into in the second containing cavity 112 by the side oil duct 141 of first piston 14，And be connected with the second cavity 212 with communicating pipe 6 owing to two the second containing cavities 112 all pass through via hole，Two the second containing cavities 112 are equal with the volume sum of two the first containing cavities 111 with the volume sum of the second cavity 212，Therefore the hydraulic oil in the second containing cavity 112 some can flow rapidly in the second cavity 212，And all hydraulic oils that first in containing cavity 111 the most all flow in the middle of the second containing cavity 112 and the second cavity 212，Now，Hydraulic oil no longer pushes down first piston 14 and locking piston bar 13 integrated with first piston 14，Hydraulic oil can promote locking piston bar 13 and auxiliary piston rod 22 to move toward the direction away from solid plate 3.On the other hand; also in the 4th oil duct 121 in shifting formwork piston rod 12, it is passed through hydraulic oil; hydraulic oil flows in the first oil pocket 131 from the 4th oil duct 121, and owing to shifting formwork piston rod 12 maintains static, hydraulic oil promotes locking piston bar 13 to move toward the direction away from solid plate 3.So, locking piston bar 13 and auxiliary piston rod 22 drive moving platen 4 to move toward the direction away from solid plate 3 simultaneously.When die sinking puts in place, stopping being passed through hydraulic oil in the 4th oil duct 121, moving platen no longer moves, and completes die sinking action.
It addition, during matched moulds, locked mode and die sinking, owing to the first cavity 211 in auxiliary cylinders 2 is by the first hole 51 and atmosphere, it does not interferes with the movement of each parts.This utility model simple in construction, applied widely, can guarantee that the reliability of locked mode, and improve the efficiency of shifting formwork, reduce energy consumption, 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 (7)
- null1. a twin-tub vertical compression type mould closing mechanism，It is characterized in that，Including working cylinder (1)、Auxiliary cylinders (2)、Solid plate (3)、Moving platen (4) and tailgate (5)，Described solid plate (3)、Moving platen (4) and tailgate (5) are sequentially connected with，Described working cylinder (1) includes the first housing (11)、Shifting formwork piston rod (12)、Locking piston bar (13)、With locking piston bar (13) integrated first piston (14)、Spool (15) and valve gap (16)，Described first housing (11) one end is fixedly mounted in tailgate (5)，The other end is arranged on locking piston bar (13)，Described shifting formwork piston rod (12) one end is arranged in locking piston bar (13)，The other end is fixedly mounted in tailgate (5)，Described locking piston bar (13) one end is fixedly connected on moving platen (4)，The other end is connected with valve gap (16)，Described first piston (14) is arranged in the first housing (11)，Described spool (15) is arranged on locking piston bar (13)，And be all correspondingly arranged with first piston (14) and valve gap (16)，Described locking piston bar (13)、Spool (15) and valve gap (16) surround the first valve port (151)，Described locking piston bar (13) and spool (15) surround the second valve port (152)，The first containing cavity (111) and the second containing cavity (112) it is provided with in described first housing (11)，The first oil pocket (131) and the second oil pocket (132) it is provided with in described locking piston bar (13)，Described locking piston bar (13) is additionally provided with the first oil duct (133) connected with the first valve port (151)、The second oil duct (134) connected with the second valve port (152) and the 3rd oil duct (135) connected with the second oil pocket (132)，Described shifting formwork piston rod (12) is provided with the 4th oil duct (121) connected with the first oil pocket (131)，Described auxiliary cylinders (2) includes the second housing (21)、Auxiliary piston rod (22) and the second piston (23)，The interior one end of described second housing (21) is fixed in tailgate (5)，The other end is arranged on auxiliary piston rod (22)，Described second piston (23) one end is arranged on auxiliary piston rod (22)，The other end is arranged in the second housing (21)，Described auxiliary piston rod (22) is connected with moving platen (4)，The first cavity (211) and the second cavity (212) it is provided with in described second housing (21)，Described second cavity (212) is connected with the second containing cavity (112).
- A kind of twin-tub vertical compression type mould closing mechanism the most according to claim 1, it is characterised in that include communicating pipe (6), described second cavity (212) passing through to be connected communicating pipe (6) with the second containing cavity (112).
- A kind of twin-tub vertical compression type mould closing mechanism the most according to claim 1; it is characterized in that; described working cylinder (1), the first containing cavity (111) and the second containing cavity (112) are two, and the volume sum of said two the second containing cavity (112) and the second cavity (212) is equal to the volume sum of two the first containing cavities (111).
- A kind of twin-tub vertical compression type mould closing mechanism the most according to claim 3; it is characterized in that; described tailgate (5) is provided with the first hole (51) and the second hole; described first cavity (212) is connected with the first hole (51), and said two the first containing cavity (111) is connected by the second hole.
- A kind of twin-tub vertical compression type mould closing mechanism the most according to claim 1; it is characterized in that; described valve gap (16) is provided with connecting hole (161), and described first oil duct (133), connecting hole (161) all connect with the first valve port (151).
- A kind of twin-tub vertical compression type mould closing mechanism the most according to claim 1; it is characterized in that; described first piston (14) is provided with side oil duct (141), and described side oil duct (141) is connected with the second containing cavity (112).
- A kind of twin-tub vertical compression type mould closing mechanism the most according to claim 1; it is characterized in that; described working cylinder (1) includes block (17); described block (17) is arranged on shifting formwork piston rod (12), and is all connected with locking piston bar (13) and valve gap (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620240154.2U CN205416269U (en) | 2016-03-24 | 2016-03-24 | Double -cylinder vertical compression formula locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620240154.2U CN205416269U (en) | 2016-03-24 | 2016-03-24 | Double -cylinder vertical compression formula locking mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN205416269U true CN205416269U (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620240154.2U Withdrawn - After Issue CN205416269U (en) | 2016-03-24 | 2016-03-24 | Double -cylinder vertical compression formula locking mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN205416269U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105619732A (en) * | 2016-03-24 | 2016-06-01 | 广东正茂精机有限公司 | Double-cylinder direct-compression type mould closing mechanism |
-
2016
- 2016-03-24 CN CN201620240154.2U patent/CN205416269U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105619732A (en) * | 2016-03-24 | 2016-06-01 | 广东正茂精机有限公司 | Double-cylinder direct-compression type mould closing mechanism |
| CN105619732B (en) * | 2016-03-24 | 2018-02-16 | 广东正茂精机有限公司 | A kind of twin-tub vertical compression type mould closing mechanism |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160803 Effective date of abandoning: 20180216 |
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| AV01 | Patent right actively abandoned |