CN205969837U - Mould structure with prevent spring die bounce -back function - Google Patents
Mould structure with prevent spring die bounce -back function Download PDFInfo
- Publication number
- CN205969837U CN205969837U CN201620816096.3U CN201620816096U CN205969837U CN 205969837 U CN205969837 U CN 205969837U CN 201620816096 U CN201620816096 U CN 201620816096U CN 205969837 U CN205969837 U CN 205969837U
- Authority
- CN
- China
- Prior art keywords
- oil
- hydraulic
- moving platen
- control valve
- feed port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a mould structure with prevent spring die bounce -back function, including guide bar, fixed die plate, movable mould board, shifting formwork hydro -cylinder, master model, public mould, band -type brake mechanism and oil circuit structure. The shifting formwork hydro -cylinder is installed on the fixed die plate and is used for driving the template and is close to and keeps away from the fixed die plate, the oil circuit structure includes the hydraulic power source, hydraulic control valve, tribit four -way reversing valve and oil tank, this tribit four -way reversing valve's oil -feed port P connects the hydraulic power source, oil return opening T connects the oil tank, delivery outlet A is connected with the pole chamber, delivery outlet B connects no pole chamber, hydraulic control valve locates between oil -feed port P and the hydraulic power source, this hydraulic control valve is used for the hydraulic oil flow direction oil -feed port P through the hydraulic power source, and the hydraulic oil flow direction hydraulic power source that prevents oil -feed port P. The utility model discloses can prevent effectively that the mould that has the spring structure from producing rebound phenomenon when the compound die to guaranteed that movable mould board position can not produce great skew, band -type brake mechanism can close a floodgate smoothly.
Description
Technical field
This utility model is related to there is the mould structure preventing floating die assembly rebound function.
Background technology
In forming die structure for moulding, there are a lot of spring structures, absorb vibration for reaching, shock absorbing, and
As auxiliary power source, it is that mould inside frame for movement resets, control the actions such as mold parting surface disengaging order to provide power etc.
Deng.
Under closing tight state, spring system is compressed floating die assembly, and moving platen is subject to the thrust of spring, oriented die sinking direction
Movement tendency；Common two-plate injection machine shifting formwork oil circuit, the rod chamber of mould shifting oil cylinder connect with hydraulic power supply, rodless cavity and oily
Case connects, and mould male portion closes tightly with master mold under the driving of hydraulic power supply, and the spring system in mould is subject to oil cylinder pulling force
Effect is compressed.The die springs system compressed forms a reverse thrust to moving platen.After mould closes and is tightened to position,
Hydraulic power supply unloads, reversal valve power-off simultaneously.The valve element of reversal valve return in commutating period minimum 100ms, or even want 200ms
More than. in the here time, P-A hydraulic fluid port be still in can connected state, and hydraulic power supply has unloaded, liquid in cylinder rod chamber
Force feed can move to die sinking direction under external force.Before direction valve commutation terminates, moving platen and being bound up on moving platen
Mould shifting oil cylinder piston rod, under the thrust of die springs, can to die sinking direction flick a segment distance.Because contracting brake mechanism is connection
Knot is on moving platen, and allows the position that closing position is when mould closes tight, has deviated from closing a floodgate after moving platen bounce-back
Position, leads to contracting brake mechanism cannot close a floodgate to set up clamp force, leads to machine cannot produce.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is that providing one kind to have prevents floating die assembly anti-
The mould structure of bouncing function, can effectively prevent the mould with spring structure from producing rebound phenomena in matched moulds, thus ensureing
Dynamic model Board position will not produce larger skew, and contracting brake mechanism can smoothly close a floodgate.
The purpose of this utility model employs the following technical solutions realization：
There is the mould structure preventing floating die assembly rebound function, including：
Guide post；
Solid plate, fixes on the guide bar；
Moving platen, is slidably mounted on guide post；
Mould shifting oil cylinder, is arranged on solid plate and is used for carry moving platen close and away from solid plate, mould shifting oil cylinder includes living
Stopper rod, piston rod is connected with moving platen, and the oil pocket of mould shifting oil cylinder is divided into rod chamber and rodless cavity by the piston on piston rod；
Master mold, is fixed on the side near moving platen for the solid plate；
Male model, is arranged on the side near solid plate for the moving platen, this male model can relatively moving platen along the length side of guide post
To activity, between male model and moving platen, elastic component is installed, this male model is used for when moving platen is near cover half and master mold conjunction is tight,
When male model closes tight with master mold there is elastic deformation in this male model compression elastic piece, and this elastic component makes dynamic model away from fixed for offer
The elastic force of template；
Contracting brake mechanism, is arranged on moving platen；
Oil channel structures, including hydraulic power supply, hydraulic control valve, three position four-way directional control valve and fuel tank, this 3-position 4-way changes
Connect hydraulic power supply to the oil-feed port P of valve, oil return inlet T connects fuel tank, delivery outlet A connects rod chamber, delivery outlet B connects no bar
Chamber, located between oil-feed port P and hydraulic power supply, this hydraulic control valve is used for the liquid by hydraulic power supply to hydraulic control valve
Force feed flows to oil-feed port P and stops the hydraulic oil of oil-feed port P from flowing to hydraulic power supply.
Preferably, hydraulic control valve is check valve.
Preferably, hydraulic control valve is inserted valve, and the hydraulic fluid port A of this inserted valve is connected with hydraulic power supply, this inserted valve
Hydraulic fluid port B is connected with the oil-feed port P of three position four-way directional control valve, and the control chamber of this inserted valve is connected to described oil-feed port P and described oil
On oil circuit between mouth B.
Preferably, elastic component is spring, and the two ends of this spring are connected with male model and dynamic model respectively.
Preferably, the quantity of mould shifting oil cylinder is two, is located at the both sides of solid plate respectively.
Preferably, band-type brake structure is arranged on the side away from solid plate for the moving platen.
Compared to existing technology, the beneficial effects of the utility model are：This utility model due to have hydraulic control valve located at
Between oil-feed port P and hydraulic power supply, even if oil-feed port P connects with delivery outlet A, and hydraulic power supply unloading, oil cylinder rodless cavity
Hydraulic oil also cannot be flowed out by P mouth so that oil cylinder rodless cavity is compressed under elastic component thrust, shifting formwork oil
Cylinder rod chamber sets up renitency, offsets the thrust of the elastic component that moving platen is subject to, because when hydraulic oil is pressurized, decrement is non-
Often little, moving platen is very little because of the displacement of the compressed generation of hydraulic oil, thus ensure that template position will not produce larger skew,
Contracting brake mechanism can smoothly close a floodgate.
Brief description
Fig. 1 is the structural representation in die opening state for this utility model；
Fig. 2 is the structural representation in matched moulds state for this utility model；
Fig. 3 is the structural representation of this utility model oil channel structures；
Fig. 4 is the structural representation of the oil channel structures of this utility model another embodiment；
In figure：1st, the first mould shifting oil cylinder；2nd, the second mould shifting oil cylinder；3rd, master mold；4th, male model；5th, solid plate；6th, moving platen；7、
Elastic component；8th, contracting brake mechanism；9th, three position four-way directional control valve；10th, hydraulic power supply；11st, fuel tank；12nd, check valve；13rd, inserted valve.
Specific embodiment
Below, in conjunction with accompanying drawing and specific embodiment, this utility model is described further：
As shown in Figures 1 to 4, this utility model has the mould structure preventing floating die assembly rebound function, including guiding
Bar, solid plate 5, moving platen 6, mould shifting oil cylinder, master mold 3, male model 4, contracting brake mechanism 8 and oil channel structures.Solid plate 5 is fixed on guiding
On bar；Moving platen 6 is slidably mounted on guide post；Mould shifting oil cylinder is arranged on solid plate 5 and is used for carrying moving platen 6 close
With away from solid plate 5, mould shifting oil cylinder includes piston rod, and piston rod is connected with moving platen 6, and the piston on piston rod is by mould shifting oil cylinder
Oil pocket be divided into rod chamber and rodless cavity；Master mold 3 is fixed on the side near moving platen 6 for the solid plate 5；Male model 4 is arranged on dynamic model
Plate 6 near the side of solid plate 5, this male model 4 can moving platen 6 relatively along length direction activity, male model 4 and the moving platen of guide post
Elastic component 7 is installed between 6, this male model 4 is used for closing tightly with master mold 3 when moving platen 6 is near cover half, closes with master mold 3 in male model 4
When tight there is elastic deformation in this male model 4 compression elastic piece 7, and this elastic component 7 is used for offer and makes dynamic model away from the bullet of solid plate 5
Property power；Contracting brake mechanism 8 is arranged on moving platen 6；Oil channel structures include hydraulic power supply 10, hydraulic control valve, 3-position 4-way change
To valve 9 and fuel tank 11, the oil-feed port P of this three position four-way directional control valve 9 connects hydraulic power supply 10, oil return inlet T connects fuel tank 11, defeated
Outlet A connects rod chamber, delivery outlet B connects rodless cavity, and hydraulic control valve, should between oil-feed port P and hydraulic power supply 10
Hydraulic control valve is used for flowing to oil-feed port P by the hydraulic oil of hydraulic power supply 10 and stoping the hydraulic oil of oil-feed port P from flowing to liquid
Pressure power source 10.
Mould structure of the present utility model need die sinking when, the oil-feed port P and delivery outlet B of this three position four-way directional control valve 9
Connection, oil return inlet T is connected with delivery outlet A；When needing matched moulds, the oil-feed port P of this three position four-way directional control valve 9 is connected with delivery outlet A,
Oil return inlet T is connected with delivery outlet B, and in matched moulds, male model 4 moves to the direction near dynamic model, so that elastic component 7 is compressed, works as mould
Lamps structure closes after being tightened to position, and hydraulic power supply 10 unloads, simultaneously this three position four-way directional control valve 9 power-off, due to there being hydraulic control valve
Between oil-feed port P and hydraulic power supply 10, even if oil-feed port P connects with delivery outlet A, and hydraulic power supply 10 unloads, oil
The hydraulic oil of cylinder rodless cavity also cannot be flowed out by P mouth, so that oil cylinder rodless cavity is pressurized under elastic component 7 thrust
Contracting, sets up renitency in mould shifting oil cylinder rod chamber, offsets the thrust of the elastic component 7 that moving platen 6 is subject to, because hydraulic oil is subject to
During pressure, decrement is very little, and moving platen 6 is very little because of the displacement of the compressed generation of hydraulic oil, thus ensure that template position not
Larger skew can be produced, contracting brake mechanism 8 can smoothly close a floodgate.
Preferably, this hydraulic control valve is check valve 12.Certainly, this hydraulic control valve can also be inserted valve 13, and this is inserted
The hydraulic fluid port A of dress valve 13 is connected with hydraulic power supply 10, and the hydraulic fluid port B of this inserted valve 13 is connected with the oil-feed port P of three position four-way directional control valve 9
Connect, the control chamber of this inserted valve 13 is connected on the oil circuit between described oil-feed port P and described hydraulic fluid port B.
Preferably, elastic component 7 is spring, and the two ends of this spring are connected with male model 4 and dynamic model respectively.
Preferably, the quantity of mould shifting oil cylinder is two, is located at the both sides of solid plate 5 respectively；Specifically, two mould shifting oil cylinders
It is respectively the first mould shifting oil cylinder 1 and the second mould shifting oil cylinder 2.
Preferably, band-type brake structure is arranged on the side away from solid plate 5 for the moving platen 6.
It will be apparent to those skilled in the art that can technical scheme as described above and design, make other various
Corresponding change and deformation, and all these change and deformation all should belong to the protection of this utility model claim
Within the scope of.
Claims (6)
1. there is the mould structure preventing floating die assembly rebound function it is characterised in that including：
Guide post；
Solid plate, fixes on the guide bar；
Moving platen, is slidably mounted on guide post；
Mould shifting oil cylinder, is arranged on solid plate and is used for carry moving platen close and away from solid plate, mould shifting oil cylinder includes piston rod,
Piston rod is connected with moving platen, and the oil pocket of mould shifting oil cylinder is divided into rod chamber and rodless cavity by the piston on piston rod；
Master mold, is fixed on the side near moving platen for the solid plate；
Male model, is arranged on the side near solid plate for the moving platen, and this male model can be lived along the length direction of guide post with respect to moving platen
Dynamic, between male model and moving platen, elastic component is installed, this male model is used for closing tightly when moving platen is near cover half with master mold, in male model
When closing tight with master mold there is elastic deformation in this male model compression elastic piece, and this elastic component makes dynamic model away from solid plate for offer
Elastic force；
Contracting brake mechanism, is arranged on moving platen；
Oil channel structures, including hydraulic power supply, hydraulic control valve, three position four-way directional control valve and fuel tank, this three position four-way directional control valve
Oil-feed port P connect hydraulic power supply, oil return inlet T connect fuel tank, delivery outlet A connect rod chamber, delivery outlet B connect rodless cavity,
Located between oil-feed port P and hydraulic power supply, this hydraulic control valve is used for the hydraulic oil by hydraulic power supply to hydraulic control valve
Flow to oil-feed port P and stop the hydraulic oil of oil-feed port P from flowing to hydraulic power supply.
2. there is mould structure as claimed in claim 1 that prevent floating die assembly rebound function it is characterised in that hydraulic control
Valve is check valve.
3. there is mould structure as claimed in claim 1 that prevent floating die assembly rebound function it is characterised in that hydraulic pressure control
Valve processed is inserted valve, and the hydraulic fluid port A of this inserted valve is connected with hydraulic power supply, the hydraulic fluid port B of this inserted valve and three position four-way directional control valve
Oil-feed port P connect, the control chamber of this inserted valve is connected on the oil circuit between described oil-feed port P and described hydraulic fluid port B.
4. having as claimed in claim 1 prevents the mould structure of floating die assembly rebound function it is characterised in that elastic component is
Spring, the two ends of this spring are connected with male model and dynamic model respectively.
5. there is mould structure as claimed in claim 1 that prevent floating die assembly rebound function it is characterised in that mould shifting oil cylinder
Quantity be two, respectively be located at solid plate both sides.
6. there is mould structure as claimed in claim 1 that prevent floating die assembly rebound function it is characterised in that band-type brake structure
It is arranged on the side away from solid plate for the moving platen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620816096.3U CN205969837U (en) | 2016-07-28 | 2016-07-28 | Mould structure with prevent spring die bounce -back function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620816096.3U CN205969837U (en) | 2016-07-28 | 2016-07-28 | Mould structure with prevent spring die bounce -back function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205969837U true CN205969837U (en) | 2017-02-22 |
Family
ID=58027537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620816096.3U Active CN205969837U (en) | 2016-07-28 | 2016-07-28 | Mould structure with prevent spring die bounce -back function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205969837U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107972242A (en) * | 2017-11-30 | 2018-05-01 | 海天塑机集团有限公司 | The die sinking method and drive system of double-plate injection moulding machine floating die assembly |
| CN111976113A (en) * | 2020-06-29 | 2020-11-24 | 博创智能装备股份有限公司 | Two-plate injection molding machine, mold closing control method and device and storage medium |
-
2016
- 2016-07-28 CN CN201620816096.3U patent/CN205969837U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107972242A (en) * | 2017-11-30 | 2018-05-01 | 海天塑机集团有限公司 | The die sinking method and drive system of double-plate injection moulding machine floating die assembly |
| CN107972242B (en) * | 2017-11-30 | 2023-11-14 | 海天塑机集团有限公司 | Mold opening method and driving system for spring mold of two-plate injection molding machine |
| CN111976113A (en) * | 2020-06-29 | 2020-11-24 | 博创智能装备股份有限公司 | Two-plate injection molding machine, mold closing control method and device and storage medium |
| CN111976113B (en) * | 2020-06-29 | 2022-06-14 | 博创智能装备股份有限公司 | Two-plate injection molding machine, mold closing control method and device and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205969837U (en) | Mould structure with prevent spring die bounce -back function | |
| CN208052516U (en) | A kind of two trigger mode locking control systems | |
| CN201486790U (en) | Pumping mechanism capable of changing strokes and pump vehicle provided therewith | |
| AU2005325631A1 (en) | Blasting device for premixed abrasive slurry | |
| CN203726781U (en) | Clamping mechanism of injection molding machine | |
| CN103878908A (en) | Supplementary positive-displacement-type isometric displacement internal-circulation mold clamping device | |
| CN205918969U (en) | Gear pump control formula electro -hydraulic linkage actuating mechanism | |
| CN202668939U (en) | Mold locking circuit for injection mold machine | |
| CN202344794U (en) | Telescopic internal circulating hydraulic mold clamping mechanism | |
| CN103133448A (en) | Energy-saving hydraulic valve with independently-controllable load throttle mouths and hydraulic valve control system | |
| CN203510661U (en) | Mold-locking differential oil line of injection molding machine | |
| CN203726783U (en) | Mould locking oil cylinder of injection molding machine | |
| CN208410662U (en) | A kind of neutron quick pressure releasing oil circuit applied to injection molding machine | |
| CN105619732B (en) | A kind of twin-tub vertical compression type mould closing mechanism | |
| CN205416270U (en) | Single cylinder vertical compression formula locking mechanism | |
| CN202592698U (en) | Hydraulic control integrated device for injection molding machine | |
| CN202438677U (en) | Active on-off type non return valve | |
| CN203614482U (en) | Stacked bidirectional-unidirectional throttling valve | |
| CN106555745A (en) | Hydraulic control pilot-operated type hydraulic automatism pressure-adjusted pump | |
| CN202895637U (en) | Oil cylinder piston integral mechanism for injection molding machine locking die with two communicated cavities | |
| CN205416271U (en) | Mode locking hydro -cylinder structure | |
| CN103203852A (en) | Servo-valve-controlled injection oil path system of large-scale injection molding machine | |
| CN205395051U (en) | Four jar vertical compressions, two board -like locking mechanism | |
| CN207033866U (en) | One kind die sinking protecting against shock hydraulic system | |
| CN205416269U (en) | Double -cylinder vertical compression formula locking mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |