CN202293253U - Rapid die opening and closing device for injection molding machine - Google Patents
Rapid die opening and closing device for injection molding machine Download PDFInfo
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- CN202293253U CN202293253U CN2011204253966U CN201120425396U CN202293253U CN 202293253 U CN202293253 U CN 202293253U CN 2011204253966 U CN2011204253966 U CN 2011204253966U CN 201120425396 U CN201120425396 U CN 201120425396U CN 202293253 U CN202293253 U CN 202293253U
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Abstract
The utility model discloses a rapid die opening and closing device for an injection molding machine, which comprises a rear die plate and a movable die plate and also comprises a servo motor, a high-pressure hydraulic oil generating device, a screw and a nut, wherein the nut is driven by the screw to do an axial linear movement; the nut is connected with the movable die plate; a connecting sleeve capable of doing an axial fine motion is arranged in the rear die plate; the screw is positioned in the rear die plate through the connecting sleeve and is linked with the servo motor; a die closing high-pressure oil cavity is formed between the connecting sleeve and the rear side end face of the rear die plate; a die opening high-pressure oil cavity is formed between the connecting sleeve and the front side end face of the rear die plate; the pipeline of the high-pressure hydraulic oil generating device is respectively communicated with the die closing high-pressure oil cavity and the die opening high-pressure oil cavity. The utility model aims to provide the rapid die opening and closing device for the injection molding machine, which has a simple structure, a short period of motion, high die opening and closing speed, stability in operation and accurate and controllable die closing force. The rapid die opening and closing device for the injection molding machine is especially suitable for a die closing mechanism of a small-sized precise injection molding machine.
Description
Technical field
The utility model relates to a kind of injection machine, more particularly, relates in particular to injection machine quickly opening and closing die device.
Background technology
At present, the injection machine folding mode structure of main flow remains traditional five-point type mechanical reaming type structure on the market, and this kind folding mode structure toggle is distributed in the both sides of template; Be to amplify by cranking arm clamp force and folding mould point-to-point speed are provided, the advantage of this kind structure is that point-to-point speed is fast, and the clamp force amplification ratio is high; Shortcoming is that parts are more, and structure and toggle amplify the motion relative complex, kill easily between the crank connecting rod; If its structure is by driven by servomotor; In case electric component lost efficacy, the moment of torsion that servomotor provides will be amplified to the several times of setting value by toggle, and promptly plastic injection molding machine clamp force is the several times of setting value; Very easy mold damage, security performance is difficult to be protected.The mold clamping force skewness of five-point type machine twisting mode structure template is having born defective aspect the miniature precision injection moulding still more, so new folding mode structure is all being sought by each injection machine manufacturer aspect the miniature precision injection machine.
Now, the matched moulds structure of the new all-electric precise injection machine of many moneys is arranged on the market, wherein external KraussMaffei with Europe is the cam-type matched moulds structure of representative; Domesticly fly the unit twisting mode structure that the Asia is representative with Hai Tianchang; It is out of control and mold clamping force that cause infinitely amplifies the situation of infringement mould that the two can both avoid occurring electric component from structure, but the accurate control of its mold clamping force and even distributed degrees far below the direct pressure structure, and if the direct pressure structure provides the high pressure mold clamping force with servomotor; The servomotor power that then needs is very big; Cost is higher relatively, so a lot of producers all provide the high pressure mold clamping force of injection machine with the oil pressure mode; Be representative wherein with Japanese sodick injection machine; Its high pressure mode acts on the shifting formwork screw rod for the band-type brake plate, and shifting formwork is accomplished the back and acted on high-pressure and hydraulic oil and realize the high pressure mould assembling action on the band-type brake plate, because of more than in its high pressure matched moulds process a band-type brake move; In the time of the structure relative complex, the also corresponding increase of dried cycle of folding mould motion.Therefore, how to address the above problem, become problem demanding prompt solution.
The utility model content
The technical problem that the utility model will solve provide a kind of simple in structure, period of motion short, folding mould speed is fast, operates steadily, mold clamping force is controlled injection machine quickly opening and closing die device accurately.
For solving the problems of the technologies described above; A kind of injection machine quickly opening and closing die device of the utility model; Comprise rear pattern plate and moving platen, it also comprises the nut that servomotor, high-pressure and hydraulic fry dried food ingredients generating apparatus, screw rod and the axial straight line of screw drive move, and nut connects moving platen; Be provided with the axially adapter sleeve of fine motion in the rear pattern plate; Screw rod is positioned in the rear pattern plate and the servomotor interlock through adapter sleeve, forms die sinking high-voltage oil cavity between matched moulds high-voltage oil cavity, the anterior end surface between the rear side end face of adapter sleeve and rear pattern plate, and high-pressure and hydraulic fry dried food ingredients generating apparatus pipeline is communicated with matched moulds high-voltage oil cavity and die sinking high-voltage oil cavity respectively.
Above-mentioned injection machine quickly opening and closing die device, said high-pressure and hydraulic fry dried food ingredients generating apparatus are two to overlap independently servo oil pump pipeline connection matched moulds high-voltage oil cavity and die sinking high-voltage oil cavity respectively.The servo oil pump that two covers independently work alone is through its opposite working method of automatic controlling system, and when the matched moulds high-voltage oil cavity pressurizeed, the die sinking high-voltage oil cavity then carried out pressure release.Realize making adapter sleeve make the technique effect of axial displacement with respect to rear pattern plate when strutting matched moulds high-voltage oil cavity and die sinking high-voltage oil cavity respectively.
Above-mentioned injection machine quickly opening and closing die device, said high-pressure and hydraulic fry dried food ingredients generating apparatus be by cover servo oil pump pipeline connection matched moulds high-voltage oil cavity and a die sinking high-voltage oil cavity, and its connecting pipeline constitutes circulation line, wherein the switching of directional control valve control piper direction is set.
Above-mentioned injection machine quickly opening and closing die device, said screw rod is fixedly connected with adapter sleeve through bearing.The axial interlock of screw rod, bearing and adapter sleeve, screw rod is positioned at the rotatable location of adapter sleeve through axle bearing, and adapter sleeve then passes through bearing and when its each fine motion of axle, drives the screw axial interlock.Said screw rod is a trapezoidal screw.The trapezoidal thread of trapezoidal screw and the corresponding nut interlock good effectiveness that is spirally connected.
Above-mentioned injection machine quickly opening and closing die device, said servomotor and screw rod are used gear drive.The tooth of the travelling gear of servomotor output shaft and screw rod with axially parallel, can when screw rod is done axial fine motion, can misplace little move when meshing and not influence mutual meshing interlock.
Above-mentioned injection machine quickly opening and closing die device, said matched moulds high-voltage oil cavity and die sinking high-voltage oil cavity are respectively annular groove, are arranged on the end face of adapter sleeve and/or rear pattern plate.Form the passage that supplies hydraulic oil to get into, realize displacement to axial to strut the gap that connects end face.Matched moulds high-voltage oil cavity that its gap that connects end face constitutes and die sinking high-voltage oil cavity are realized the technique effect of high pressure sealing through the high pressure sealing ring of both sides.
A kind of injection machine comprises like above-mentioned quickly opening and closing die device.
Adopt the injection machine quickly opening and closing die device of the utility model of said structure; Screw rod is positioned on the rear pattern plate through adapter sleeve; The servomotor of locating on the rear pattern plate drives the screw rod high speed rotating; Gap before and after forming between location, the front and back end face between adapter sleeve and the rear pattern plate; Be that it forms the matched moulds high-voltage oil cavity of rear side and the die sinking high-voltage oil cavity of front side, and through pipeline UNICOM high-pressure and hydraulic fry dried food ingredients generating apparatus, when high-pressure and hydraulic fry dried food ingredients generating apparatus injects hydraulic oil to the matched moulds high-voltage oil cavity; High-pressure and hydraulic oil effect struts the gap that connects the matched moulds high-voltage oil cavity between the end face behind adapter sleeve and the rear pattern plate down, promotes adapter sleeve and drives screw rod, nut and moving platen and decide plate to the moving plate of mould and mould together high pressure mold clamping force matched moulds is provided.Otherwise; When high-pressure and hydraulic fry dried food ingredients generating apparatus split cavity high-voltage oil cavity injects hydraulic oil; High-pressure and hydraulic oil effect struts the gap that connects the die sinking high-voltage oil cavity between the end face before adapter sleeve and the rear pattern plate down, promotes adapter sleeve and drives screw rod, nut and moving platen and decide plate to the moving plate of mould and mould together the die sinking of high pressure mould opening force is provided.Injection machine is with screw rod rotation quickly opening and closing mould, and servomotor drives the screw rod high speed rotating, and it is reciprocating with the space rate more than the 500mm/s that nut drives moving platen, realizes the folding mould action of injection machine.Screw drive has the folding mould cycle short; Advantages such as rectilinear motion is steady, and run location is controlled utilize high-pressure and hydraulic oil to realize the required axial high-voltage lock mould power of injection machine simultaneously; Make clamp force accurately controlled; Broken away from all-electric machine and leaned on high-power servomotor moment of torsion that clamp force is provided, the influence of clamp force current collector is shortcoming out of control easily, makes injection machine that accurate high-voltage lock mould power still can be provided in high speed folding mould.
For solving the problems of the technologies described above, a kind of injection machine quickly opening and closing mould control method is included in to rotate at a high speed like above-mentioned driven by servomotor screw rod and drives nut and carry out injection machine direct press type shifting formwork with moving platen do straight reciprocating motion and move; Wherein during mould assembling action, be adjacent to mould when decide plate when moving platen drives the moving plate of mould, the high-pressure and hydraulic oil that utilizes high-pressure and hydraulic fry dried food ingredients generating apparatus to provide acts on the axial forward thrust completion mould assembling action that produces on the screw rod; When wherein die sinking was moved, the high-pressure and hydraulic oil that utilizes high-pressure and hydraulic fry dried food ingredients generating apparatus to provide acted on the axial die sinking of thrust backward that produces on the screw rod and starts action.Shifting formwork action places before the mould assembling action with die sinking and starts after the action, promptly starts after the action respectively with die sinking before the mould assembling action and rotates drive nut and moving platen at a high speed through the driven by servomotor screw rod and carry out injection machine direct press type shifting formwork do straight reciprocating motion and move.Wherein high-pressure and hydraulic oil effect has overcome down to make after the metal strain that comprises moving parts such as rigid bearing and has produced the small axial displacement of 1～2 millimeter on the screw rod, and high pressure wherein makes moving platen drive the moving plate of mould and closely is adjacent to mould and decides plate.
Above-mentioned a kind of injection machine quickly opening and closing mould control method, the mould assembling action step comprises: 1), at first servomotor drives the screw rod high speed rotating, nut drives the quick plate direction forwards of moving platen and moves under the effect of screw rod; 2), when the moving plate of mould and mould decide plate and are pressed close to, the servomotor moment of torsion increases, and produces precompression screw rod and nut are adjacent to, and moving plate of mould and mould are decided plate generation low pressure clamp force, the relative self-locking with nut of while screw rod is fixed; 3), high-pressure and hydraulic fry dried food ingredients generating apparatus provides hydraulic oil to pass through oil inlet pipe and gets into the matched moulds high-voltage oil cavity, act on the adapter sleeve, promote adapter sleeve and drive screw rod, nut and moving platen and decide plate to the moving plate of mould with mould together and the high pressure mold clamping force is provided, the matched moulds completion.
1), hydraulic oil rushes down through oil pipe from the matched moulds high-voltage oil cavity above-mentioned a kind of injection machine quickly opening and closing mould control method, die sinking action comprise: the die sinking action step comprises:; 2), high-pressure and hydraulic fry dried food ingredients generating apparatus provides hydraulic oil to pass through oil inlet pipe and gets into the die sinking high-voltage oil cavity, screw rod and nut under the self-locking state are separated; 3), servomotor drives the screw rod counter-rotating, nut drives moving platen and moves to assigned address backward, the die sinking process is accomplished.
Comprise servomotor, trapezoidal screw, nut, high-pressure and hydraulic fry dried food ingredients generating apparatus, injection machine rear pattern plate, moving platen, solid plate, the moving plate of mould, mould are decided main parts size such as plate.Under the driving of servomotor, trapezoidal screw rotates at a high speed, drives moving platen and does straight reciprocating motion, realizes injection machine vertical compression folding mould function.In the matched moulds process; When the moving plate of mould is adjacent to mould when deciding plate; Utilize the servomotor moment of torsion to make between screw rod and the nut earlier and closely contact, certain low pressure mold clamping force is provided, to confirm the threaded engagement position between screw rod and the nut to mould; Make screw rod and nut keep self-locking state and static relatively, the high-pressure and hydraulic oil that utilizes high-pressure and hydraulic fry dried food ingredients generating apparatus to provide then acts on and realizes injection machine high pressure matched moulds function on the screw rod; During die sinking, the high-pressure and hydraulic oil with the matched moulds oil pocket rushes down earlier, applies high-pressure and hydraulic oil at the die sinking oil pocket then, and the screw rod of self-locking state and nut are separated, and servomotor counter-rotating then drives moving platen and moves in the other direction, realizes the die sinking action.
The utility model is owing to adopt technique scheme, and injection machine is with screw rod rotation quickly opening and closing mould, and servomotor drives the screw rod high speed rotating, and it is reciprocating with the space rate more than the 500mm/s that nut drives moving platen, realizes the folding mould action of injection machine.Screw drive has the folding mould cycle short; Advantages such as rectilinear motion is steady, and run location is controlled utilize high-pressure and hydraulic oil to realize the required axial high-voltage lock mould power of injection machine simultaneously; Make clamp force accurately controlled; Broken away from all-electric machine and leaned on high-power servomotor moment of torsion that clamp force is provided, the influence of clamp force current collector is shortcoming out of control easily, makes injection machine that accurate high-voltage lock mould power still can be provided in high speed folding mould.
The utility model is realized directly directly driving the Injection Motor Template motion with the screw rod rotation; Need not play high pressure by band-type brake in the matched moulds motion; High-pressure and hydraulic oil acts directly on screw rod and the connecting plate thereof, and characteristics such as simple in structure, that the period of motion short, mold clamping force is accurately controlled are arranged.Realize the impact of the rigid motion of template and hydraulic oil in the high-speed motion process to complete machine simultaneously, the folding mould is operated steadily, the moving platen stop position is more accurate.The utility model is specially adapted on the clamping of miniature precision injection machine.
Description of drawings
To combine the embodiment in the accompanying drawing that the utility model is done further to specify below, but not constitute any restriction the utility model.
Fig. 1 is the cross-sectional view of a kind of practical implementation state of the utility model;
Fig. 2 is the cross-sectional view of the another kind of practical implementation state of the utility model;
Fig. 3 is the cross-sectional view of A-A among Fig. 2;
Fig. 4 is the local enlarged diagram of B portion among Fig. 1.
Among the figure: 1 is servomotor, and 2 is rear pattern plate, and 3 is moving platen, and 4 is screw rod, and 5 is nut; 6 is adapter sleeve, and 7 is the matched moulds high-voltage oil cavity, and 8 are the die sinking high-voltage oil cavity, and 9 is the hydraulic oil generating means, and 10 is moving mold; 11 is fixed mold, and 12 is front template, bearing 14, high pressure sealing ring 15.
The specific embodiment
Consult shown in Fig. 1～4; A kind of injection machine quickly opening and closing die device of the utility model; Comprise rear pattern plate 2 and moving platen 3, also comprise the nut 5 that servomotor 1, high-pressure and hydraulic fry dried food ingredients generating apparatus 9, screw rod 4 and screw rod 4 driving axial straight lines move, nut 5 connects moving platen 3; Be provided with the adapter sleeve 6 of axially fine motion in the rear pattern plate 2; Screw rod 4 is positioned in the rear pattern plate 2 and servomotor 1 interlock through adapter sleeve 6, forms die sinking high-voltage oil cavity 8 between matched moulds high-voltage oil cavity 7, the anterior end surface between the rear side end face of adapter sleeve 6 and rear pattern plate 2, and high-pressure and hydraulic fry dried food ingredients generating apparatus 9 pipelines are communicated with matched moulds high-voltage oil cavity 7 and die sinking high-voltage oil cavity 8 respectively.
High-pressure and hydraulic fry dried food ingredients generating apparatus 9 is two to overlap independently servo oil pump pipeline connection matched moulds high-voltage oil cavity 7 and die sinking high-voltage oil cavity 8 respectively.
High-pressure and hydraulic fry dried food ingredients generating apparatus 9 is by a cover servo oil pump pipeline connection matched moulds high-voltage oil cavity 7 and die sinking high-voltage oil cavity 8, and its connecting pipeline constitutes circulation line, wherein directional control valve control oil circuit direction is set switches.
Servomotor 1 is used gear drive with screw rod 4.
Matched moulds high-voltage oil cavity 7 is respectively annular groove with die sinking high-voltage oil cavity 8, is arranged on the end face of adapter sleeve 6 and/or rear pattern plate 2.
A kind of injection machine of the utility model; Comprise described quickly opening and closing die device, comprise servomotor 1, rear pattern plate 2, moving platen 3, screw rod 4, nut 5, adapter sleeve 6, matched moulds high-voltage oil cavity 7, die sinking high-voltage oil cavity 8, high-pressure and hydraulic fry dried food ingredients generating apparatus 9, moving mold 10 and fixed mold 11, moving platen 3 is positioned between rear pattern plate 2 and the front template 12 through guide post 13; Moving mold 10 is installed on the moving platen 3; Fixed mold 11 is installed on the front template 12, and servomotor 1 is fixed at rear pattern plate 2 tops and 4 of screw rods parallel, between the rearward end of servomotor 1 output shaft and screw rod 4 through gear drive; Template 2 centers are provided with screw rod 4; But screw rod 4 right sides are provided with the nut 5 that radial alignment moves, and adapter sleeve 3 is fixing through bearing 14 with screw rod 4, and adapter sleeve 3 bottoms are provided with hydraulic oil generating means 9; Matched moulds high-voltage oil cavity 7 and die sinking high-voltage oil cavity 8 are to form the passage that supplies hydraulic oil to get between adapter sleeve 3 and the rear pattern plate 2, realize displacement to axial to strut the gap that connects end face.Matched moulds high-voltage oil cavity that its gap that connects end face constitutes and die sinking high-voltage oil cavity are realized the technique effect of high pressure sealing through the high pressure sealing ring 15 of both sides.
A kind of injection machine quickly opening and closing mould control method of the utility model is included in described servomotor 1 drive screw 4 high speed rotation drive nuts 5 and carries out the action of injection machine direct press type shifting formwork with moving platen 3 do straight reciprocating motion;
Wherein during mould assembling action, be adjacent to mould when decide plate when moving platen 3 drives the moving plate of moulds, the high-pressure and hydraulic oil that utilizes high-pressure and hydraulic fry dried food ingredients generating apparatus 9 to provide acts on the axial forward thrust completion mould assembling action that produces on the screw rod 4;
When wherein die sinking was moved, the high-pressure and hydraulic oil that utilizes high-pressure and hydraulic fry dried food ingredients generating apparatus 9 to provide acted on the axial thrust backward that produces on the screw rod 4 and starts the die sinking action.
The mould assembling action step comprises: 1), at first servomotor 1 drives screw rod 4 high speed rotating, nut 5 drives moving platen 3 a quick plate direction forwards and moves under the effect of screw rod 4; 2), when the moving plate of mould and mould decide plate and are pressed close to, servomotor 1 moment of torsion increases, and produces precompression screw rod 4 and nut 5 are adjacent to, and moving plate of mould and mould decide plate generation low pressure clamp force, while screw rod 4 and nut 5 relative self-lockings are fixed; 3), high-pressure and hydraulic fry dried food ingredients generating apparatus 9 provides hydraulic oil to pass through oil inlet pipe and gets into matched moulds high-voltage oil cavity 7; Act on the adapter sleeve 6; Promoting adapter sleeve 6 drives screw rods 4, nut 5 and moving platen 3 and decides plate to the moving plate of mould with mould together and the high pressure mold clamping force is provided, the matched moulds completion.
1), hydraulic oil rushes down through oil pipe from matched moulds high-voltage oil cavity 7 die sinking action comprises: the die sinking action step comprises:; 2) high-pressure and hydraulic fry dried food ingredients generating apparatus 9 provides hydraulic oil to pass through oil inlet pipe and gets into die sinking high-voltage oil cavity 8, and the screw rod 4 under the self-locking state was opened with nut in 5 minutes; 3) servomotor 1 drives screw rod 4 counter-rotatings, and nut 5 drives moving platen 3 and moves to assigned address backward, and the die sinking process is accomplished.
In sum, the utility model is processed actual sample and through repeatedly use test, is seen that from the effect of use test provable the utility model can reach the purpose that it is expected like specification and diagramatic content, and practical value is unquestionable.The above embodiment that lifts only is used for conveniently illustrating the utility model; Be not that the utility model is done any pro forma restriction; Have common knowledge the knowledgeable in the technical field under any,, utilize technology contents that the utility model discloses to do the local equivalent embodiment that changes or modify if in the scope that does not break away from technical characterictic that the utility model is carried; And do not break away from the technical characterictic content of the utility model, all still belong in the scope of the utility model technical characterictic.
Claims (7)
1. injection machine quickly opening and closing die device; Comprise rear pattern plate (2) and moving platen (3); It is characterized in that: also comprise the nut (5) that servomotor (1), high-pressure and hydraulic fry dried food ingredients generating apparatus (9), screw rod (4) and screw rod (4) driving axial straight line move; Nut (5) connects moving platen (3); Be provided with the adapter sleeve (6) of axially fine motion in the rear pattern plate (2); Screw rod (4) is positioned in the rear pattern plate (2) and servomotor (1) interlock through adapter sleeve (6), forms die sinking high-voltage oil cavity (8) between matched moulds high-voltage oil cavity (7), the anterior end surface between the rear side end face of adapter sleeve (6) and rear pattern plate (2), and high-pressure and hydraulic fry dried food ingredients generating apparatus (9) pipeline is communicated with matched moulds high-voltage oil cavity (7) and die sinking high-voltage oil cavity (8) respectively.
2. injection machine quickly opening and closing die device according to claim 1 is characterized in that: said high-pressure and hydraulic fry dried food ingredients generating apparatus (9) is two to overlap independently servo oil pump pipeline connection matched moulds high-voltage oil cavity (7) and die sinking high-voltage oil cavity (8) respectively.
3. injection machine quickly opening and closing die device according to claim 1; It is characterized in that: said high-pressure and hydraulic fry dried food ingredients generating apparatus (9) is by cover servo oil pump pipeline connection matched moulds high-voltage oil cavity (7) and a die sinking high-voltage oil cavity (8), and its connecting pipeline constitutes circulation line, wherein the switching of directional control valve control oil circuit direction is set.
4. injection machine quickly opening and closing die device according to claim 1 is characterized in that: said screw rod (4) is fixedly connected with adapter sleeve (6) through bearing.
5. injection machine quickly opening and closing die device according to claim 1 is characterized in that: said servomotor (1) and screw rod (4) are used gear drive.
6. injection machine quickly opening and closing die device according to claim 1 is characterized in that: said matched moulds high-voltage oil cavity (7) and die sinking high-voltage oil cavity (8) are respectively annular groove, are arranged on the end face of adapter sleeve (6) and/or rear pattern plate (2).
7. an injection machine is characterized in that: comprise like the arbitrary described quickly opening and closing die device of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204253966U CN202293253U (en) | 2011-10-31 | 2011-10-31 | Rapid die opening and closing device for injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204253966U CN202293253U (en) | 2011-10-31 | 2011-10-31 | Rapid die opening and closing device for injection molding machine |
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| Publication Number | Publication Date |
|---|---|
| CN202293253U true CN202293253U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204253966U Expired - Fee Related CN202293253U (en) | 2011-10-31 | 2011-10-31 | Rapid die opening and closing device for injection molding machine |
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| CN (1) | CN202293253U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416692A (en) * | 2011-10-31 | 2012-04-18 | 东华机械有限公司 | Rapid die opening and locking apparatus for injection machine and control method |
| CN104608345A (en) * | 2015-01-09 | 2015-05-13 | 宁波长飞亚塑料机械制造有限公司 | Mould-closing device of fully-electric injection molding machine |
| CN109940825A (en) * | 2019-03-26 | 2019-06-28 | 青岛力磁电气股份有限公司 | Automatic anticreep locks fast plug device |
| CN112829201A (en) * | 2020-12-07 | 2021-05-25 | 天津信誉科技有限公司 | Automatic opening and closing die |
-
2011
- 2011-10-31 CN CN2011204253966U patent/CN202293253U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416692A (en) * | 2011-10-31 | 2012-04-18 | 东华机械有限公司 | Rapid die opening and locking apparatus for injection machine and control method |
| CN104608345A (en) * | 2015-01-09 | 2015-05-13 | 宁波长飞亚塑料机械制造有限公司 | Mould-closing device of fully-electric injection molding machine |
| CN109940825A (en) * | 2019-03-26 | 2019-06-28 | 青岛力磁电气股份有限公司 | Automatic anticreep locks fast plug device |
| CN109940825B (en) * | 2019-03-26 | 2024-06-04 | 青岛威巴克生物技术有限公司 | Automatic anti-drop locking quick-inserting device |
| CN112829201A (en) * | 2020-12-07 | 2021-05-25 | 天津信誉科技有限公司 | Automatic opening and closing die |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20141031 |
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| EXPY | Termination of patent right or utility model |