CN201848983U - Two-plate direct pressure clamping device - Google Patents
Two-plate direct pressure clamping device Download PDFInfo
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- CN201848983U CN201848983U CN2009202655498U CN200920265549U CN201848983U CN 201848983 U CN201848983 U CN 201848983U CN 2009202655498 U CN2009202655498 U CN 2009202655498U CN 200920265549 U CN200920265549 U CN 200920265549U CN 201848983 U CN201848983 U CN 201848983U
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- oil
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- oil cylinder
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Abstract
一种二板式直压锁模装置，由定模板、动模板、锁模油缸及移模油缸组成，锁模油缸是由四个单活塞杆外伸的油缸组成，其中三个是内循环油缸，一个是被活塞分隔开的油腔互不相通的油缸，其有杆油腔与另外三个内循环油缸的有杆油腔用连接管串联相通，其无杆油腔单独与大气(或油液)相通，在合模动作时，油缸内的油液不需排油或少排油回油箱，开模动作时也不需从油箱吸油或少吸油，避免了开、合模动作不稳定的缺点。本实用新型结构简单，油路阻力小、油泄漏少、成本低、安装使用方便。
A two-plate direct pressure clamping device is composed of a fixed platen, a movable platen, a clamping oil cylinder and a mold shifting oil cylinder. The clamping oil cylinder is composed of four cylinders with single piston rods extending outwards, three of which are internal circulation oil cylinders, and one is an oil cylinder whose oil chambers are separated by pistons and are not connected to each other. Its rod oil chamber is connected in series with the rod oil chambers of the other three internal circulation oil cylinders by a connecting pipe, and its rodless oil chamber is connected to the atmosphere (or oil) alone. When the mold is closed, the oil in the oil cylinder does not need to be drained or less oil is drained back to the oil tank, and when the mold is opened, it does not need to suck oil from the oil tank or less oil is sucked, thereby avoiding the disadvantage of unstable opening and closing operations. The utility model has a simple structure, small oil circuit resistance, less oil leakage, low cost, and convenient installation and use.
Description
Technical field
The utility model relates to a kind of double-plate vertical compression mould clamping device, relates in particular to a kind of clamping apparatus that is used for injection machine, die casting machine, hydraulic press, section bar extruder.
Background technology
Existing hydraulic injection molding machine, the clamping apparatus of hydraulic press has adopted double-plate, the most of employing by two mould shifting oil cylinders drive moving platens opened, mould assembling action, have the overhanging interior circulation Mode-locking oil cylinder of single-piston rod with mold cramping and required clamp force is provided with four, owing to had the bar oil pocket different with the sectional area of no bar oil pocket and volume is variant by what piston was separated both sides in the interior circulation Mode-locking oil cylinder, opening, fluid a large amount of in the matched moulds process must flow to another oil pocket from an oil pocket, when mould assembling action, the fluid of no bar oil pocket is except that major part is replenished back the bar oil pocket, also have unnecessary fluid to discharge and return fuel tank, equally, when die sinking is moved, need again from the fuel tank oil suction, owing to be subjected to the influence of the difference in height and the resistance of ducting, can produce not enough vacuum or the suck air of forming easily of oil suction, cause out, the unsettled shortcoming of matched moulds process action.
Summary of the invention
In order to overcome the above-mentioned shortcoming that the circulation Mode-locking oil cylinder exists in the single-piston rod in the existing clamping apparatus, the utility model provides a kind of double-plate vertical compression mould clamping device, by solid plate, moving platen, mould shifting oil cylinder and Mode-locking oil cylinder are formed, Mode-locking oil cylinder comprises by four overhanging oil cylinders of single-piston rod and forming, the bar oil pocket that has of four Mode-locking oil cylinders communicates with the tube connector series connection, wherein three Mode-locking oil cylinders are interior circulating oil cylinders, another is by separated two oil cylinders that oil pocket is not connected of piston, its no bar oil pocket communicates with atmosphere (or fluid) separately, it has the bar oil pocket to communicate with the bar oil pocket series connection that has of described wherein three Mode-locking oil cylinders, because existing Mode-locking oil cylinder, the physical dimension of half that most employing diameter of piston rod is a cylinder diameter, open, during mould assembling action, the volume that the oil cylinder inner fluid flows is four has bar oil pocket volume summation to equal (or being similar to) three no bar oil pocket volume summations, not oil extraction or few oil extraction oil sump tank in the time of so just can realizing matched moulds, do not need during die sinking from fuel tank oil suction or a small amount of oil suction, thereby avoid or reduced the existing shortcoming of existing double-plate clamping apparatus.
The technical scheme in the invention for solving the technical problem is: four overhanging Mode-locking oil cylinders of single-piston rod are fixed on the solid plate, piston rod is connected with moving platen, three is interior circulating oil cylinder in four Mode-locking oil cylinders, one by separated two oil cylinders that oil pocket is not connected of piston, its no bar oil pocket communicates with atmosphere (or fluid) separately, it has the bar oil pocket to communicate with the bar oil pocket series connection that has of circulation Mode-locking oil cylinder in three of communicating pipe and other, like this, fluid in the Mode-locking oil cylinder can circulate in four Mode-locking oil cylinders mutually, because half of diameter of piston rod design cylinder diameter, so four have the volume summation of bar oil pocket just to equate with the volume summation of three no bar oil pockets, when mould assembling action, the fluid of three no bar oil pockets adds to four to be had in the bar oil pocket, do not remain the fluid discharge and return fuel tank, when die sinking, fluid from there being the bar oil pocket to replenish back no bar oil pocket, need not from the fuel tank oil suction again.
The beneficial effects of the utility model be simple in structure, the oil circuit resistance is little, oil leaks fewly, cost is low, and is easy to install, the action of opening and closing mould is stable.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the utility model sectional view.
Among the figure: circulation Mode-locking oil cylinder, A have bar oil pocket, B not to have the bar oil pocket in 1;
Circulation Mode-locking oil cylinder in 2
Circulation Mode-locking oil cylinder in 3
4 Mode-locking oil cylinders, 4A have bar oil pocket, 4B not to have the bar oil pocket;
5 mould shifting oil cylinders;
6 solid plates;
7 moving platens;
8 communicating pipes.
The specific embodiment
As Fig. 1, shown in Figure 2, the utility model is by Mode-locking oil cylinder 1,2,3,4 mould shifting oil cylinders 5, solid plate 6, moving platen 7 is formed, Mode-locking oil cylinder 1,2,3,4 are the overhanging oil cylinder of single-piston rod, Mode-locking oil cylinder 1,2,3,4 are fixed on the solid plate 6, its piston rod is connected with moving platen 7, Mode-locking oil cylinder 1,2, the 3rd, interior circulating oil cylinder, its two oil pockets that separated by piston have been respectively bar oil pocket A and no bar oil pocket B, Mode-locking oil cylinder 4 be one by separated two oil cylinders that oil pocket is not connected of piston, its no bar oil pocket 4B communicates with atmosphere (or fluid) separately, it has bar oil pocket 4A communicating pipe 8 and other three interior circulating oil cylinders 1,2,3 the bar oil pocket A series connection that has communicates, communicating pipes 8, its internal diameter size was equal to or greater than between 1/3rd diameter of piston rod, can secretly set communicating pipe 8 in solid plate 6, because the diameter of piston rod of most of Mode-locking oil cylinders is half of Mode-locking oil cylinder diameter or near half, therefore four have bar oil pocket (A, volume summation 4A) equals or near the volume summation of three no bar oil pocket B.
Narrate the course of work of the present utility model below in conjunction with accompanying drawing:
Two mould shifting oil cylinder 5 symmetries are installed on the solid plate 6, its piston rod is connected with moving platen 7, four Mode-locking oil cylinders 1,2,3,4 are installed on four angles of solid plate 6, its piston rod is connected with moving platen 7, mould shifting oil cylinder 5 drives moving platen 7 and does the matched moulds action to the right, the piston of Mode-locking oil cylinder 1,2,3,4 moves right, fluid in the no bar oil pocket B replenishes by compression and has entered in the bar oil pocket A, because of there being bar oil pocket 4A to communicate by communicating pipes 8 series connection with bar oil pocket A is arranged, the fluid of no bar oil pocket B can replenish simultaneously and enter in the bar oil pocket 4A, need not oil extraction.After getting togather mould, hydraulic oil enters Mode-locking oil cylinder, and logical valve blocking-up inner cycle channel, hydraulic oil provide to be fastened the required clamp force of mould and carry out locked mode, through injection, pressurize, give mould, after the action such as cooling, locked mode finishes, and mould shifting oil cylinder 5 drive moving platens 7 are moved to the left does the die sinking action, and the piston of Mode-locking oil cylinder 1,2,3,4 is moved to the left, there is bar oil pocket (A, 4A) inner fluid to flow in the no bar oil pocket B, need not repairing, last, open mould and eject goods.If diameter of piston rod is when being slightly larger than or being slightly less than the Mode-locking oil cylinder radius, in matched moulds or die sinking action, the fluid that has only minute quantity is discharged to fuel tank or sucks back from fuel tank from no bar oil pocket B.
Fig. 1 is the utility model Figure of abstract.
Claims (1)
1. double-plate vertical compression mould clamping device, form by solid plate, moving platen, mould shifting oil cylinder and Mode-locking oil cylinder, Mode-locking oil cylinder comprises by four overhanging oil cylinders (1,2,3,4) of single-piston rod and forming, it is characterized in that: the bar oil pocket (A, 4A) that has of four Mode-locking oil cylinders (1,2,3,4) communicates with tube connector (8) series connection, and wherein three Mode-locking oil cylinders (1,2,3) are interior circulating oil cylinders; Another Mode-locking oil cylinder (4) be one by separated two oil cylinders that oil pocket is not connected of piston, it has bar oil pocket (4A) to be communicated with the bar oil pocket (A) that has of described wherein three Mode-locking oil cylinders (1,2,3), and its no bar oil pocket (4B) communicates with atmosphere or fluid.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202655498U CN201848983U (en) | 2009-12-25 | 2009-12-25 | Two-plate direct pressure clamping device |
| US13/513,529 US20120276242A1 (en) | 2009-12-04 | 2010-12-02 | Mold clamping device |
| JP2012541311A JP5524348B2 (en) | 2009-12-04 | 2010-12-02 | Clamping device |
| EP10834232.0A EP2508322A4 (en) | 2009-12-04 | 2010-12-02 | Mold clamping device |
| PCT/CN2010/079386 WO2011066799A1 (en) | 2009-12-04 | 2010-12-02 | Mold clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202655498U CN201848983U (en) | 2009-12-25 | 2009-12-25 | Two-plate direct pressure clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201848983U true CN201848983U (en) | 2011-06-01 |
Family
ID=44091394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202655498U Expired - Fee Related CN201848983U (en) | 2009-12-04 | 2009-12-25 | Two-plate direct pressure clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201848983U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103538224A (en) * | 2013-09-29 | 2014-01-29 | 广东正茂精机有限公司 | Mould closing apparatus of two-plate vertical compression type injection molding machine |
| CN103775424A (en) * | 2014-01-21 | 2014-05-07 | 广东正茂精机有限公司 | Injection molding machine high pressure clamping cylinder |
| CN103817968A (en) * | 2013-12-10 | 2014-05-28 | 北京理工大学 | Mold locking oil cylinder structure of two-plate plastic injection molding machine |
| CN103934995A (en) * | 2014-04-01 | 2014-07-23 | 广东正茂精机有限公司 | Mold closing device of two-plate direct-pressing injection molding machine |
| CN104723523A (en) * | 2015-03-20 | 2015-06-24 | 广东正茂精机有限公司 | Two-platen direct pressure clamping device with automatic mold adjustment |
| CN106915035A (en) * | 2017-04-11 | 2017-07-04 | 广东正茂精机有限公司 | The electric-hydraulic combined injection machine of plate direct press type of four cylinder locked mode two |
| CN106968992A (en) * | 2016-11-18 | 2017-07-21 | 罗生权 | The two-template injection molding machine or two template press of replenishing valve are set in pressurizing cylinder |
| CN115847711A (en) * | 2022-11-01 | 2023-03-28 | 宁波德玛智能机械有限公司 | Two-way bimodulus injection molding machine |
-
2009
- 2009-12-25 CN CN2009202655498U patent/CN201848983U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103538224A (en) * | 2013-09-29 | 2014-01-29 | 广东正茂精机有限公司 | Mould closing apparatus of two-plate vertical compression type injection molding machine |
| CN103538224B (en) * | 2013-09-29 | 2016-03-30 | 广东正茂精机有限公司 | A kind of mold closing mechanism of two plate direct press type injection moulding machines |
| CN103817968A (en) * | 2013-12-10 | 2014-05-28 | 北京理工大学 | Mold locking oil cylinder structure of two-plate plastic injection molding machine |
| CN103817968B (en) * | 2013-12-10 | 2017-01-04 | 北京理工大学 | A kind of two trigger Mode-locking oil cylinder structures |
| CN103775424A (en) * | 2014-01-21 | 2014-05-07 | 广东正茂精机有限公司 | Injection molding machine high pressure clamping cylinder |
| CN103934995A (en) * | 2014-04-01 | 2014-07-23 | 广东正茂精机有限公司 | Mold closing device of two-plate direct-pressing injection molding machine |
| CN104723523A (en) * | 2015-03-20 | 2015-06-24 | 广东正茂精机有限公司 | Two-platen direct pressure clamping device with automatic mold adjustment |
| CN106968992A (en) * | 2016-11-18 | 2017-07-21 | 罗生权 | The two-template injection molding machine or two template press of replenishing valve are set in pressurizing cylinder |
| CN106915035A (en) * | 2017-04-11 | 2017-07-04 | 广东正茂精机有限公司 | The electric-hydraulic combined injection machine of plate direct press type of four cylinder locked mode two |
| CN115847711A (en) * | 2022-11-01 | 2023-03-28 | 宁波德玛智能机械有限公司 | Two-way bimodulus injection molding machine |
| CN115847711B (en) * | 2022-11-01 | 2024-04-02 | 宁波德玛智能机械有限公司 | Two-way double-mode injection molding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170516 Address after: 523000 Guangdong province Dongguan City Hengli Town shansha Industrial Zone Patentee after: GUANGDONG BLOOMACHINE CO., LTD. Address before: Two street Daliang District Shunde town Kim garden coconut 528300 Guangdong city of Foshan province No. 807 Patentee before: Huang Buming |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20171225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |