CN2562957Y - Mold locking mechanism for injection molding machine - Google Patents
Mold locking mechanism for injection molding machine Download PDFInfo
- Publication number
- CN2562957Y CN2562957Y CN 02272106 CN02272106U CN2562957Y CN 2562957 Y CN2562957 Y CN 2562957Y CN 02272106 CN02272106 CN 02272106 CN 02272106 U CN02272106 U CN 02272106U CN 2562957 Y CN2562957 Y CN 2562957Y
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- Prior art keywords
- oil cylinder
- mode
- piston
- locking
- piston rod
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- Expired - Fee Related
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Abstract
The utility model relates to a mold locking mechanism for injection molding machine which comprises a front plate, a secondary plate, a tail plate, a guide column and a mold locking oil tank, wherein, the guide column is erected between the front plate and the tail plate, the secondary plate is covered on the guide column and can slide along the guide column, the tank body of the mold locking oil tank is arranged on the tail plate, the front end of a piston rod of the mold locking oil tank is connected with the secondary plate and can drive the secondary plate to move back and forth between the front plate and the tail plate for mold opening and mold locking; the piston rod of the mold locking oil tank can be inserted into the piston and can make a relative axial movement, a locking device which can relatively and axially locate the piston rod and the piston is arranged between the piston rod and the piston; a mold moving oil tank acting between the tail plate and the secondary plate is also arranged between the tail plate and the secondary plate; when the locking device unlocks, the piston rod of the mold locking oil tank can slide in the piston, the mold moving oil tank drives the secondary plate to quickly move the mold; when the locking device locks, the piston rod of the mold locking oil tank is connected with the piston, the mold moving oil tank drives the secondary plate to open and lock the mold under high pressure. The utility model has quick pressure rise, big rigidity and high repetitive accuracy.
Description
(1) skill this area
The utility model relates to a kind of clamping mechanism of injection machine, especially has the plate that cover half is housed, the clamping mechanism that two plates, Mode-locking oil cylinder and the tailgate of dynamic model are housed.
(2) background technology
The clamping mechanism of injection machine needs the high speed shifting formwork to shorten molding cycle.Simultaneously, also need very big power clamping mold to resist the pressure of moulding.In order to satisfy these opposite operation requirements, often need the very clamping mechanism of labyrinth, as topping up oil cylinder and filled valve; this has also strengthened the fuel tank volume; simultaneously, the back oil pocket of Mode-locking oil cylinder easily causes the problem that operation is not steady, vibration occurs when negative pressure is pumped.
(3) summary of the invention
The utility model is exactly the shortcoming that will solve conventional art, but but its objective is the clamping mechanism that the injection machine that a kind of not only high speed shifting formwork but also high pressure unblank mould is provided.
For achieving the above object, the utility model is by the following technical solutions:
A kind of clamping mechanism of injection machine, comprise a plate, two plates, tailgate, guide pillar and Mode-locking oil cylinder, guide pillar sets up between a plate and the tailgate, two sleeve-boards also can be along the guide pillar slippage on guide pillar, the cylinder body of Mode-locking oil cylinder is located on the tailgate, the front end of Mode-locking oil cylinder piston rod connects with two plates and can order about two plates and moves around between a plate and tailgate, for die sinking and locked mode; What the piston rod of described Mode-locking oil cylinder can axially relatively move is inserted in the piston, is provided with the locking device that can make the two axial relative positioning between piston rod and the piston; Also be provided with between described tailgate and two plates and act on mould shifting oil cylinder between the two; When locking device was unblanked, the piston rod of Mode-locking oil cylinder can slide in piston, drove two plates by mould shifting oil cylinder and carried out rapid mould-moving; When the locking device locking, the piston rod and the piston of Mode-locking oil cylinder are linked together, and drive two plates by Mode-locking oil cylinder and carry out that height presses off, locked mode.
Technique scheme utilizes locking device that the piston rod of Mode-locking oil cylinder is free to slide when mould shifting oil cylinder drives two plates and carries out rapid mould-moving, do not drive the piston of Mode-locking oil cylinder, thereby Mode-locking oil cylinder can not interfered the action of mould shifting oil cylinder.And when locked mode, locking device locks together the piston and the piston rod of Mode-locking oil cylinder again, can carry out high-voltage lock mould by Mode-locking oil cylinder again.This is independent of each other with regard to making two opposite operations, realizes the unblank purpose of mould of high speed shifting formwork and high pressure easily.Simultaneously, also shorten the displacement of Mode-locking oil cylinder piston greatly, reduced fuel consumption.
Technique scheme can also be further improved by following technical measures.
The piston of described Mode-locking oil cylinder is stepped, its have the principal post section in the middle of being positioned at of cooperating with the cylinder body liquid sealing and be positioned at before and after the principal post section from shell of column, the diameter of principal post section is greater than the diameter from shell of column, and the principal post section is separated into preceding oil pocket and back oil pocket with the space between piston outer wall and the inboard wall of cylinder block; The piston of described Mode-locking oil cylinder and piston rod are hollow, and mould shifting oil cylinder runs through the piston and the piston rod of Mode-locking oil cylinder, and the cylinder body of mould shifting oil cylinder and two plates are connected and fixed, and the cylinder body rear wall of the piston rod of mould shifting oil cylinder and Mode-locking oil cylinder is connected and fixed; Described locking device comprise gear block, the piston that can measure Mode-locking oil cylinder and gear block relative position sensor, can drive the adjusting oil cylinder that the piston of Mode-locking oil cylinder rotates in its cylinder body, gear block is fixed on Mode-locking oil cylinder piston rod rear end, the cylindrical sidewalls of gear block is provided with the outer tooth bar that at least two rows arrange along bus, and the cylindrical inner wall of Mode-locking oil cylinder piston is provided with the interior tooth bar that at least two rows arrange along bus; Cylinder body one end of described adjusting oil cylinder and the cylinder body of Mode-locking oil cylinder are hinged, the piston rod of described adjusting oil cylinder from the cylinder body other end stretch out and with the piston hinge of Mode-locking oil cylinder, regulate the piston of oil cylinder drive Mode-locking oil cylinder and unblanking to come back rotation between phase place and the locking phase place, in the phase place of unblanking, inside and outside tooth bar is staggered and arranges on circumference, the piston rod of Mode-locking oil cylinder can be free to slide in piston, in the locking phase place, the piston rod of Mode-locking oil cylinder and piston are meshing with each other by the inside and outside tooth bar that is positioned on the same bus.
The cylinder body of described Mode-locking oil cylinder is made of tailgate and the end cap that is installed on the tailgate, and end cap is provided with lining, and the piston rod of Mode-locking oil cylinder passes from lining and the two is slidingly matched.
The cylinder body and the gear block of described mould shifting oil cylinder fuse, and the piston rod of mould shifting oil cylinder passes from gear block and the two liquid sealing is slidingly matched, and the cylinder body of this mould shifting oil cylinder and the piston rod of Mode-locking oil cylinder all are linked together by Connection Block and two plates.
Described adjusting oil cylinder by oscillating bearing respectively with the cylinder body of Mode-locking oil cylinder, the piston hinge of Mode-locking oil cylinder.
Gear block is provided with six outer tooth bars, is provided with six interior tooth bars in the piston of Mode-locking oil cylinder.
The utlity model has following advantage:
1, boosts soon.The oil pocket volume of Mode-locking oil cylinder is little, and it is short that hydraulic oil is full of the oil pocket time.
2, rigidity is big.The stressed back of total decision part deformation is less.
3, repeatable accuracy height.The part rigidity is big, strain is little, and mold clamping force can not change because of the part elastic deformation.
4, the oil temperature is low, has prolonged the service life of hydraulic oil and seal.
5, part processing is good.
6, stable.
7, simple to operate.
(4) description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the cutaway view of another duty of the utility model.
(5) specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in the figure, a kind of clamping mechanism of injection machine, comprise a plate 1, two plates 2, tailgate 3, guide pillar 4 and Mode-locking oil cylinder 5, guide pillar 4 sets up between a plate 1 and the tailgate 3, two plates 2 are enclosed within also can be along guide pillar 4 slippages on the guide pillar 4, the cylinder body of Mode-locking oil cylinder 5 is located on the tailgate 3, the front end of Mode-locking oil cylinder 5 piston rods connects with two plates 2 and can order about two plates 2 and moves around between a plate 1 and tailgate 3, for die sinking and locked mode, what the piston rod 51 of described Mode-locking oil cylinder 5 can axially relatively move is inserted in the piston 52, is provided with the locking device that can make the two axial relative positioning between piston rod 51 and the piston 52; Also be provided with between described tailgate 3 and two plates 2 and act on mould shifting oil cylinder 6 between the two;
The piston 52 of described Mode-locking oil cylinder 5 is stepped, its have the principal post section in the middle of being positioned at of cooperating with the cylinder body liquid sealing and be positioned at before and after the principal post section from shell of column, the diameter of principal post section is greater than the diameter from shell of column, and the principal post section is separated into preceding oil pocket 53 and back oil pocket 54 with the space between piston 52 outer walls and the inboard wall of cylinder block;
The piston 52 and the piston rod 51 of described Mode-locking oil cylinder 5 are hollow, mould shifting oil cylinder 6 runs through the piston 52 and the piston rod 51 of Mode-locking oil cylinder 5, the cylinder body of mould shifting oil cylinder 6 and two plates 2 are connected and fixed, and the cylinder body rear wall of the piston rod of mould shifting oil cylinder 6 and Mode-locking oil cylinder 5 is connected and fixed;
Described locking device comprises gear block 7, can measure the piston 52 of Mode-locking oil cylinder 5 and gear block 7 relative positions sensor 8, can drive the adjusting oil cylinder 9 that the piston 52 of Mode-locking oil cylinder 5 rotates in its cylinder body, gear block 7 is fixed on Mode-locking oil cylinder 5 piston rods 51 rear ends, the cylindrical sidewalls of gear block 7 is provided with the outer tooth bar 71 that six rows arrange along bus, and the cylindrical inner wall of Mode-locking oil cylinder 5 pistons 52 is provided with the interior tooth bar 521 that six rows arrange along bus; (the outer tooth bar 71 on the gear block 7 makes its global shape be similar to splined shaft; Piston 52 is provided with interior tooth bar 521, and is similar to spline)
Cylinder body one end of described adjusting oil cylinder 9 and the cylinder body of Mode-locking oil cylinder 5 are hinged, the piston rod of described adjusting oil cylinder 9 stretches out and hinged with the piston 52 of Mode-locking oil cylinder 5 from the cylinder body other end, regulates the piston 52 that oil cylinder 9 drives Mode-locking oil cylinders 5 and is unblanking to come back rotation between phase place and the locking phase place; The phase place of unblanking (being that locking device is unblanked, as Fig. 2), interior tooth bar 521 and outer tooth bar 71 are staggered and arrange that the piston rod 51 of Mode-locking oil cylinder 5 can be free to slide in pistons 52 on circumference, but the mould shifting oil cylinder rapid mould-moving; Locking phase place (being the locking device locking, as Fig. 3), the piston rod of Mode-locking oil cylinder 5 51 is meshing with each other by tooth bar 521 and the outer tooth bar 71 that is positioned on the same bus with piston 52, and Mode-locking oil cylinder can height presses off, locked mode;
The cylinder body of described Mode-locking oil cylinder 5 is made of tailgate 3 and the end cap 55 that is installed on the tailgate 3, and end cap 55 is provided with lining 56, and the piston rod 51 of Mode-locking oil cylinder 5 passes from lining 56 and the two is slidingly matched.
The cylinder body of described mould shifting oil cylinder 6 and gear block 7 fuse, the piston rod of mould shifting oil cylinder 6 passes from gear block 7 and the two liquid sealing is slidingly matched, and the piston rod 51 of the cylinder body of this mould shifting oil cylinder 6 and Mode-locking oil cylinder 5 all is linked together by Connection Block 10 and two plates 2.
Described adjusting oil cylinder 9 is hinged with the piston 52 of the cylinder body of Mode-locking oil cylinder 5, Mode-locking oil cylinder 5 respectively by oscillating bearing 91.
On two plates 2 thimble oil cylinder 11 is housed.
Claims (6)
1, a kind of clamping mechanism of injection machine, comprise a plate, two plates, tailgate, guide pillar and Mode-locking oil cylinder, guide pillar sets up between a plate and the tailgate, two sleeve-boards also can be along the guide pillar slippage on guide pillar, the cylinder body of Mode-locking oil cylinder is located on the tailgate, the front end of Mode-locking oil cylinder piston rod connects with two plates and can order about two plates and moves around between a plate and tailgate, for die sinking and locked mode, it is characterized in that: what the piston rod of described Mode-locking oil cylinder can axially relatively move is inserted in the piston, is provided with the locking device that can make the two axial relative positioning between piston rod and the piston; Also be provided with between described tailgate and two plates and act on mould shifting oil cylinder between the two; When locking device was unblanked, the piston rod of Mode-locking oil cylinder can slide in piston, drove two plates by mould shifting oil cylinder and carried out rapid mould-moving; When the locking device locking, the piston rod and the piston of Mode-locking oil cylinder are linked together, and drive two plates by Mode-locking oil cylinder and carry out that height presses off, locked mode.
2, the clamping mechanism of injection machine according to claim 1 is characterized in that:
The piston of described Mode-locking oil cylinder is stepped, its have the principal post section in the middle of being positioned at of cooperating with the cylinder body liquid sealing and be positioned at before and after the principal post section from shell of column, the diameter of principal post section is greater than the diameter from shell of column, and the principal post section is separated into preceding oil pocket and back oil pocket with the space between piston outer wall and the inboard wall of cylinder block;
The piston of described Mode-locking oil cylinder and piston rod are hollow, and mould shifting oil cylinder runs through the piston and the piston rod of Mode-locking oil cylinder, and the cylinder body of mould shifting oil cylinder and two plates are connected and fixed, and the cylinder body rear wall of the piston rod of mould shifting oil cylinder and Mode-locking oil cylinder is connected and fixed;
Described locking device comprise gear block, the piston that can measure Mode-locking oil cylinder and gear block relative position sensor, can drive the adjusting oil cylinder that the piston of Mode-locking oil cylinder rotates in its cylinder body, gear block is fixed on Mode-locking oil cylinder piston rod rear end, the cylindrical sidewalls of gear block is provided with the outer tooth bar that at least two rows arrange along bus, and the cylindrical inner wall of Mode-locking oil cylinder piston is provided with the interior tooth bar that at least two rows arrange along bus;
Cylinder body one end of described adjusting oil cylinder and the cylinder body of Mode-locking oil cylinder are hinged, the piston rod of described adjusting oil cylinder from the cylinder body other end stretch out and with the piston hinge of Mode-locking oil cylinder, regulate the piston of oil cylinder drive Mode-locking oil cylinder and unblanking to come back rotation between phase place and the locking phase place, in the phase place of unblanking, inside and outside tooth bar is staggered and arranges on circumference, the piston rod of Mode-locking oil cylinder can be free to slide in piston, in the locking phase place, the piston rod of Mode-locking oil cylinder and piston are meshing with each other by the inside and outside tooth bar that is positioned on the same bus.
3, the clamping mechanism of injection machine according to claim 2 is characterized in that: the cylinder body of described Mode-locking oil cylinder is made of tailgate and the end cap that is installed on the tailgate, and end cap is provided with lining, and the piston rod of Mode-locking oil cylinder passes from lining and the two is slidingly matched.
4, the clamping mechanism of injection machine according to claim 2; it is characterized in that: the cylinder body and the gear block of described mould shifting oil cylinder fuse; the piston rod of mould shifting oil cylinder passes from gear block and the two liquid sealing is slidingly matched, and the cylinder body of this mould shifting oil cylinder and the piston rod of Mode-locking oil cylinder all are linked together by Connection Block and two plates.
5, the clamping mechanism of injection machine according to claim 2 is characterized in that: described adjusting oil cylinder by oscillating bearing respectively with the cylinder body of Mode-locking oil cylinder, the piston hinge of Mode-locking oil cylinder.
6, the clamping mechanism of injection machine according to claim 2 is characterized in that: gear block is provided with six outer tooth bars, is provided with six interior tooth bars in the piston of Mode-locking oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02272106 CN2562957Y (en) | 2002-07-28 | 2002-07-28 | Mold locking mechanism for injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02272106 CN2562957Y (en) | 2002-07-28 | 2002-07-28 | Mold locking mechanism for injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2562957Y true CN2562957Y (en) | 2003-07-30 |
Family
ID=33736848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02272106 Expired - Fee Related CN2562957Y (en) | 2002-07-28 | 2002-07-28 | Mold locking mechanism for injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2562957Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI403405B (en) * | 2010-09-10 | 2013-08-01 | ||
| CN109317639A (en) * | 2018-11-02 | 2019-02-12 | 广东伊之密精密机械股份有限公司 | A kind of unlocking mode structure of two trigger of die casting |
| CN116175911A (en) * | 2023-04-24 | 2023-05-30 | 成都鸿能精密机械有限公司 | High-pressure die locking device of direct press |
-
2002
- 2002-07-28 CN CN 02272106 patent/CN2562957Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI403405B (en) * | 2010-09-10 | 2013-08-01 | ||
| CN109317639A (en) * | 2018-11-02 | 2019-02-12 | 广东伊之密精密机械股份有限公司 | A kind of unlocking mode structure of two trigger of die casting |
| CN116175911A (en) * | 2023-04-24 | 2023-05-30 | 成都鸿能精密机械有限公司 | High-pressure die locking device of direct press |
| CN116175911B (en) * | 2023-04-24 | 2023-08-25 | 成都鸿能精密机械有限公司 | High-pressure die locking device of direct press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030730 Termination date: 20100728 |