CN202293232U - Mechanical secondary ejection mechanism component and secondary ejection system of injection die - Google Patents
Mechanical secondary ejection mechanism component and secondary ejection system of injection die Download PDFInfo
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- CN202293232U CN202293232U CN2011203910316U CN201120391031U CN202293232U CN 202293232 U CN202293232 U CN 202293232U CN 2011203910316 U CN2011203910316 U CN 2011203910316U CN 201120391031 U CN201120391031 U CN 201120391031U CN 202293232 U CN202293232 U CN 202293232U
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Abstract
The utility model provides a mechanical secondary ejection mechanism component and a secondary ejection system of an injection die. The component comprises a draw hook collision block (1), a draw hook body (2), a draw hook block (3), an elastic block (4), as well as a spring, a position limiting bolt and a plurality of fixing bolts, wherein the draw hook collision block (1) is fixed on a molding push piece plate on the ejector die side of a die injection device, the draw hook body (2) is fixed on an ejector die face needle plate, the elastic block (4) and the spring are together fixed on an ejector die bottom needle plate, and the draw hook body (2) and the draw hook block (3) are fixed together. The secondary ejection component of the utility model is mainly used for the injection die requiring secondary ejection, two sets of ejection oil cylinders in the traditional structure are eliminated, and the optimization and improvement of the mechanism in the aspects of complexity, cost, stability, production cycle, routine maintenance and the like are realized.
Description
Technical field
The utility model relates to a kind of liftout attachment of injection mold, more specifically, relates to a kind of injection mold secondary ejecting mechanism assembly of mechanical type.
Background technology
Along with the development of society, the consumer is increasingly high to various requirements such as performance of products, outward appearances, and for example the structure of bumper is also more and more popularized, become increasingly complex, and so just makes the technology of die manufacturing difficulty promote.Aspect Injection Mold Design, realize (first group oil cylinder is responsible for ejecting for the first time, and second group oil cylinder is responsible for ejecting for the second time) for general two group oil cylinders that adopt of mould that bumper etc. needs secondary to eject.This form has increased the cost (need buying two group oil cylinders, oil pipe, and will process two groups of oil circuits) of mould, and cylinder action is slower simultaneously, has reduced the production efficiency of mould.
At present eject back pickup difficulty for the first time for bumper bar mould before and after the general automobile etc., the situation that needs secondary to eject generally adopts two group oil cylinders to eject (first group oil cylinder is responsible for ejecting for the first time, and second group oil cylinder is responsible for ejecting for the second time).
Fig. 1 of accompanying drawing is this secondary ejecting structure and operating principle of example summary with certain nerf bar mould.
This Fig. 1 is a mode structure sketch map behind the bumper bar; When die production, ejecting oil cylinder for the first time ejects forward under the control of hydraulic oil; After ejecting a segment distance (generally according to product structure design certain eject distance) eject oil cylinder for the second time and eject; Muscle position that should not pickup on the product etc. is deviate from, be convenient to goods and take out from mould.
For the mould that the nerf bar class needs secondary to eject, generally adopt two group oil cylinders to eject.The shortcoming that adopts two group oil cylinders realization secondary to eject is following:
1. cost is high, and two group oil cylinders all need buying separately, and needs to be equipped with the needed relevant auxiliary facility of loose core of oil cylinder (oil pump, hydraulic pressure wet goods); In addition, the road of need on template, buying oil, this all will cause cost risings such as Mould Machining, cause the mould unit price to rise thereby make.
Action cycle long, oil cylinder ejects and needs the control of independent oil circuit, this will increase the production cycle of mould greatly, reduce the production efficiency of goods, for injection cycle as today of weighing the mould success or failure, this structure manifests drawback gradually.
3. assembling and dismounting difficulty need to bring very big inconvenience for die production and ordinary maintenance the mould critical piece dismounting of whole back, cause great amount of manpower and material resources consumption and waste.
The utility model content
The utility model technical problem to be solved is to the above-mentioned state of the art; A kind of secondary ejection assembly of mechanical type is provided; Be primarily aimed at the injection mold that needs secondary to eject; The secondary ejecting structure assembly of utilization mechanical type replaces secondary to eject oil cylinder, is implemented in the optimization and the lifting of the each side such as complexity, cost, stability, production cycle, ordinary maintenance of mechanism.
For realizing above-mentioned purpose, the utility model is realized through following technical scheme:
This secondary ejecting mechanism assembly comprises drag hook collision block 1, drag hook body 2, drag hook piece 3, bullet piece 4, at least one spring 5, at least one stop screw 6, at least one drag hook piece hold-down screw 7, at least one drag hook body hold-down screw 8, at least one drag hook collision block hold-down screw 9; Wherein at least one drag hook collision block hold-down screw 9 is fixed on drag hook collision block 1 on the moulding push piece plate 26 of dynamic model side in the mold injection device; At least one drag hook body hold-down screw 8 is fixed on drag hook body 2 on the face needle plate 25 of dynamic model side in the mold injection device; At least one stop screw 6 is fixed on bullet piece 4 and at least one spring 5 on the end needle plate 24 of dynamic model side in the mold injection device together; At least one drag hook piece hold-down screw 7 is fixed together drag hook body 2 and drag hook piece 3, and an end of bullet piece 4 slidably overlaps on drag hook piece 3 and with drag hook body 2 and contacts.
Further; Drag hook collision block 1 is provided with at least one drag hook collision block fixing hole corresponding with at least one drag hook collision block hold-down screw 9; Above-mentioned at least one drag hook collision block hold-down screw 9 passes corresponding above-mentioned at least one drag hook collision block fixing hole respectively, thereby can the drag hook collision block be fixed on the moulding push piece plate dynamic model side, that be used for the shaped article shape in the mold injection device; Also be provided with the drag hook body accommodation section that adapts, can hold drag hook body 2 with the profile of drag hook body 2 on the drag hook collision block 1.
Further; This drag hook body accommodation section can be arranged on this drag hook collision block 1, towards the groove of moulding push piece plate one side; It can form sinking space with moulding push piece plate 26; Certainly, this drag hook body accommodation section also can be other structure, for example separately in this drag hook collision block 1 inner sinking space that forms.
Further; Drag hook body 2 is provided with at least one drag hook body fixing hole corresponding with at least one drag hook body hold-down screw 8; Above-mentioned at least one drag hook body hold-down screw 8 passes corresponding above-mentioned at least one drag hook body fixing hole respectively, thereby can the face needle plate in drag hook body 2 and the mold injection device be fixed together; The shape of this drag hook body 2 is suitable for holding from it beginning to be held by the drag hook body accommodation section in the drag hook collision block 1; And the shape of this drag hook body 2 is suitable for beginning by 3 of drag hook pieces from its lower end chimeric, and has at least one and drag hook piece hold-down screw 7 pairing drag hook piece fixing holes in the lower end.
Further; Drag hook piece 3 be provided with can/be suitable for the drag hook body lower end fitting portion of chimeric drag hook body 2 lower ends; This drag hook body lower end fitting portion is suitable for the lower end of chimeric drag hook body 2; And; On this drag hook piece 3, be provided with at least one drag hook piece fixing hole corresponding with at least one drag hook piece hold-down screw 7, above-mentioned at least one drag hook piece hold-down screw 7 passes above-mentioned at least one drag hook piece fixing hole and at least one the drag hook piece fixing hole on the drag hook body 2 on the corresponding drag hook piece 3, thereby drag hook body 2 and drag hook piece 3 are linked together; And drag hook piece 3 is suitable for holding bullet piece 4 with the connector of drag hook body 2.
Further; Bullet piece 4 be provided with can/be suitable for holding the spring accommodation section of at least one spring 5; And at least one stop screw fixing hole corresponding with at least one stop screw 6; Above-mentioned at least one stop screw 6 passes corresponding above-mentioned at least one stop screw fixing hole, thereby can bullet piece 4 be connected on the face needle plate of dynamic model one side of injection mold template.
Further, the quantity of drag hook body hold-down screw 8 and drag hook body fixing threaded hole can be for 4, and is conspicuous, also can be other quantity.
Further, drag hook collision block 1 upper end also is provided with first protuberance, is adapted to be fitted in the accommodation section of relevant position in the moulding push piece plate.
Further, the upper end of drag hook body 2 also is provided with second protuberance, is adapted to be fitted in the accommodation section of relevant position in the face needle plate.
Further, the lower end of drag hook collision block 1 is provided with first inclined-plane, and bullet piece 4 is provided with second inclined-plane with the end that drag hook body 2, drag hook piece 3 match, and above-mentioned first inclined-plane and second inclined-plane are suitable for mutual effect of impact.
And; The utility model also provides a kind of secondary ejection system of mechanical type; The secondary that this secondary ejection system is used for injection mold ejects; It is characterized in that, above-mentioned secondary ejecting mechanism assembly is arranged on respectively accordingly on the plural side or plural angle of mold injection device.
Further, the quantity at said side or angle is 2-4.
The above shortcoming that this utility model can be avoided two group oil cylinders to eject bringing, design brings new method and thinking to mould.Major advantage is following:
1. simple in structure, eject by two original group oil cylinders and to change whole machineries into and eject, mould assembling and oil circuit design are all optimized;
2. reduced die cost, the secondary ejecting mechanism of employing frame for movement has been saved the cost of two group oil cylinders, related accessory and processing oil circuit.
3. mould stability improves, and for the movement structure of this fully mechanical, utilizes the opening and closing movement of bullet piece to realize that the secondary of mould ejects, and action stability is high.
4. adopt the secondary ejecting mechanism of the utility model can realize that mold actions is smooth and easy, save ejection cycle; Thereby reduce the production cycle of mould, improve the come out competitiveness of goods of die production, reduce the waste of the energy.
5. assembling and dismounting technology are simple relatively, compare with two original group oil cylinders, adopt the mechanical mechanism of this utility model need not dismantle miscellaneous part and can realize independent dismounting, are convenient to maintenance and maintenance.
Description of drawings
According to embodiment and accompanying drawing the utility model is done further explain below.
Fig. 1 is a mode structure sketch map behind the bumper bar of prior art;
Fig. 2 is the mechanical type secondary ejecting mechanism part sketch map in the utility model;
Fig. 3 is the sketch map of mechanical type secondary ejecting mechanism part on other direction in the utility model;
Fig. 4 is the scheme of installation of the mechanical type secondary ejecting mechanism in the utility model.
The technical characterictic that Reference numeral referred among the figure is respectively:
1, drag hook collision block; 2, drag hook body; 3, drag hook piece; 4, bullet piece; 5, spring; 6, stop screw, 7, drag hook piece hold-down screw, 8, drag hook body hold-down screw, 9, drag hook collision block hold-down screw; 11, first group two oil cylinders; 12, second group two oil cylinders; 13, base plate; 14, end needle plate; 15, face needle plate; 23, base plate; 24, end needle plate; 25, face needle plate; 26, moulding push piece plate; 31, first inclined-plane of drag hook collision block 1 lower end; 41, second inclined-plane on the bullet piece 4.
The specific embodiment
This ejecting mechanism assembly comprises drag hook collision block 1, drag hook body 2, drag hook piece 3, bullet piece 4, at least one spring 5, at least one stop screw 6, at least one drag hook piece hold-down screw 7, at least one drag hook body hold-down screw 8, at least one drag hook collision block hold-down screw 9; Wherein at least one drag hook collision block hold-down screw 9 is fixed on drag hook collision block 1 on the moulding push piece plate of dynamic model side in the mold injection device; At least one drag hook body hold-down screw 8 is fixed on drag hook body 2 on the face needle plate of dynamic model side in the mold injection device; At least one stop screw 6 is fixed on bullet piece 4 and at least one spring 5 on the end needle plate of dynamic model side in the mold injection device together; At least one drag hook piece hold-down screw 7 is fixed together drag hook body 2 and drag hook piece 3, and an end of bullet piece 4 slidably overlaps on drag hook piece 3 and with drag hook body 2 and contacts.
Drag hook collision block 1 is provided with at least one drag hook collision block fixing hole corresponding with at least one drag hook collision block hold-down screw 9; Above-mentioned at least one drag hook collision block hold-down screw 9 passes corresponding above-mentioned at least one drag hook collision block fixing hole respectively, thereby can the drag hook collision block be fixed on the moulding push piece plate dynamic model side, that be used for the shaped article shape in the mold injection device (injection mold template); Also be provided with the drag hook body accommodation section that adapts, can hold drag hook body 2 with the profile of drag hook body 2 on the drag hook collision block 1;
This drag hook body accommodation section can be arranged on this drag hook collision block 1, towards the groove of moulding push piece plate one side; It can form sinking space with the B plate; Certainly, this drag hook body accommodation section also can be other structure, for example separately in this drag hook collision block 1 inner sinking space that forms;
Preferably, the quantity of drag hook body hold-down screw 8 and drag hook body fixing threaded hole can be for 4, and is conspicuous, also can be other quantity.
Preferably, drag hook collision block 1 upper end also is provided with first protuberance, is adapted to be fitted in the accommodation section of relevant position in the moulding push piece plate.
Preferably, the upper end of drag hook body 2 also is provided with second protuberance, is adapted to be fitted in the accommodation section of relevant position in the face needle plate.
Preferably, the lower end of drag hook collision block 1 is provided with first inclined-plane, and bullet piece 4 is provided with second inclined-plane with the end that drag hook body 2, drag hook piece 3 match, and above-mentioned first inclined-plane and second inclined-plane are suitable for mutual effect of impact.
The assembly method of the drag hook type secondary ejecting mechanism assembly in the utility model is following:
Step a prepares four groups of drag hook type secondary ejecting mechanism assemblies in the utility model, takes out one group and begins assembling;
Step b puts into bullet piece 4 corresponding spring accommodation sections with at least one spring 5, with at least one stop screw 6 bullet piece 4 and at least one spring 5 is fixed on the end needle plate of dynamic model together;
Step c; Drag hook piece 3 and at least one hold-down screw 7 of drag hook body 2 usefulness are fixed together; Then drag hook body 2 is fixed on a side or an angle on the face needle plate with drag hook piece 3; One end of bullet piece 4 is slidably overlapped on drag hook piece 3, and this end of bullet piece 4 contacts (will guarantee that overlap joint closely between drag hook piece 3 and the bullet piece 4) with drag hook body 2; Also just the end needle plate in the mold injection device is fixed together with the face needle plate through drag hook piece 3 and bullet piece 4 simultaneously;
Steps d is fixed on the moulding push piece plate side identical with above-mentioned drag hook body 2, drag hook piece 3 with drag hook collision block 1,
Step e repeats above-mentioned steps, other three groups of drag hook type secondary ejecting mechanism assemblies is separately fixed on other three sides or angle of template.
The method for dismounting of this assembly is opposite with above-mentioned assembly method.
The action principle of this drag hook type secondary ejecting mechanism assembly in the utility model is following:
For the secondary of realizing injection mold ejects action, this mechanism assembly is divided into three steps in proper order by action to be realized.
Step 1; When injection machine knock-pin promotion face needle plate ejects forward; End needle plate is fixed together with the face needle plate through drag hook piece 3 and bullet piece 4; 200mm (these data are merely preferred embodiment, and are conspicuous, and its concrete distance can be set up on their own according to the structure of mould by those skilled in the art) together travels forward under the effect of injection machine ejecting force.
In like manner; The face needle plate 100mm that under the effect of nitrogen spring, moves backward in reseting procedure; When the inclined-plane of bullet piece 4 was deviate from the inclined-plane of drag hook collision block 1 gradually, bullet piece 4 progressed in the scope of drag hook piece 3, up to being ejected the base head that 8mm runs into stop screw 6 by spring.This moment, the face needle plate was run into end needle plate, and under the effect of nitrogen spring power, the face needle plate is with the end needle plate 200mm that moves backward again, up to resetting to the end.
The utility model adopts machinery to push back and play separation that block mechanism realizes the mould liftout plate and connect dexterously, guarantees that the mould process of ejecting is divided into twice, realizes the smooth demoulding of mould institute article of manufacture and makes things convenient for pickup.Through adopting said structure and method of operating, the major advantage of the utility model is following:
1. simple in structure, this mechanism adopts fully mechanical compression and pop-up action, and is simple in structure, moves smooth and easyly, can not have a negative impact to mould structure intensity.
2. cost is low, has saved buying expenseses such as oil cylinder, has avoided the needed relevant auxiliary facility of outfit loose core of oil cylinder (oil pump, hydraulic pressure wet goods), has saved processing charges such as depth drill.
3. mould stability improves, and for the movement structure of this fully mechanical, utilizes the opening and closing movement of bullet piece to realize that the secondary of mould ejects, and action stability is high.
Action cycle short, the no independent cylinder action time, mould eject and reseting procedure in directly the realization mould separation with connect, thereby shortened injection cycle.
5. assembling and dismounting technology are simple relatively, and parts are directly promptly dismantled and assembled from the outside of mould, need not to dismantle the back mould and can take out convenient for maintaining.
What need statement is; The above-mentioned specific embodiment only is preferred embodiment and institute's application technology principle of the utility model; In technical scope disclosed in the utility model; Any variation that the technical staff expected easily or replacement of being familiar with the present technique field, all should be encompassed in the utility model protection domain in.
Claims (11)
1. the secondary ejecting mechanism assembly of a mechanical type; The secondary that this secondary ejecting mechanism assembly is used for injection mold ejects; It is characterized in that; This ejecting mechanism assembly comprises drag hook collision block (1), drag hook body (2), drag hook piece (3), bullet piece (4), at least one spring (5), at least one stop screw (6), at least one drag hook piece hold-down screw (7), at least one drag hook body hold-down screw (8), at least one drag hook collision block hold-down screw (9); Wherein at least one drag hook collision block hold-down screw (9) is fixed on drag hook collision block (1) on the moulding push piece plate (26) of dynamic model side in the mold injection device; At least one drag hook body hold-down screw (8) is fixed on drag hook body (2) on the face needle plate (25) of dynamic model side in the mold injection device; At least one stop screw (6) is fixed on bullet piece (4) and at least one spring (5) on the end needle plate (24) of dynamic model side in the mold injection device together; At least one drag hook piece hold-down screw (7) is fixed together drag hook body (2) and drag hook piece (3), and an end of bullet piece (4) slidably overlaps at drag hook piece (3) and goes up and contact with drag hook body (2).
2. secondary ejecting mechanism assembly according to claim 1; It is characterized in that; Drag hook collision block (1) is provided with at least one drag hook collision block fixing hole corresponding with at least one drag hook collision block hold-down screw (9); Above-mentioned at least one drag hook collision block hold-down screw (9) passes corresponding above-mentioned at least one drag hook collision block fixing hole respectively, thereby can the drag hook collision block be fixed on the moulding push piece plate (26) of dynamic model side in the mold injection device; And, also be provided with the drag hook body accommodation section that adapts, can hold drag hook body (2) with the profile of drag hook body (2) on the drag hook collision block (1).
3. secondary ejecting mechanism assembly according to claim 1; It is characterized in that; Drag hook body (2) is provided with at least one drag hook body fixing hole corresponding with at least one drag hook body hold-down screw (8); Above-mentioned at least one drag hook body hold-down screw (8) passes corresponding above-mentioned at least one drag hook body fixing hole respectively, thereby can the face needle plate (25) in drag hook body (2) and the mold injection device be fixed together; The shape of this drag hook body (2) is suitable for holding from it beginning to be held by the drag hook body accommodation section in the drag hook collision block (1); And the shape of this drag hook body (2) is suitable for beginning from its lower end by drag hook piece (3) institute chimeric, and has at least one and the pairing drag hook piece of drag hook piece hold-down screw (7) fixing hole in the lower end.
4. secondary ejecting mechanism assembly according to claim 1; It is characterized in that; Drag hook piece (3) be provided with can chimeric drag hook body (2) lower end drag hook body lower end fitting portion; This drag hook body lower end fitting portion is suitable for the lower end of chimeric drag hook body (2), and, on this drag hook piece (3), be provided with at least one drag hook piece fixing hole corresponding with at least one drag hook piece hold-down screw (7); Above-mentioned at least one drag hook piece hold-down screw (7) passes above-mentioned at least one drag hook piece fixing hole and at least one the drag hook piece fixing hole on the drag hook body (2) on the corresponding drag hook piece (3), thereby drag hook body (2) and drag hook piece (3) are linked together; And drag hook piece (3) is suitable for holding bullet piece (4) with the connector of drag hook body (2).
5. secondary ejecting mechanism assembly according to claim 1; It is characterized in that; Bullet piece (4) is provided with the spring accommodation section that can hold at least one spring (5); And at least one stop screw fixing hole corresponding with at least one stop screw (6), above-mentioned at least one stop screw (6) passes corresponding above-mentioned at least one stop screw fixing hole, thereby can bullet piece (4) be movably attached on the face needle plate (25) of dynamic model one side of injection mold template.
6. secondary ejecting mechanism assembly according to claim 1 is characterized in that, drag hook collision block (1) upper end also is provided with first protuberance, is adapted to be fitted in the accommodation section of relevant position in the moulding push piece plate (26).
7. secondary ejecting mechanism assembly according to claim 1 is characterized in that, the upper end of drag hook body (2) also is provided with second protuberance, is adapted to be fitted in the accommodation section of relevant position in the face needle plate (25).
8. according to the secondary ejecting mechanism assembly described in the claim 2, this drag hook body accommodation section can be arranged on this drag hook collision block (1), towards the groove of moulding push piece plate (26) one sides, it can form a sinking space jointly with moulding push piece plate (26).
9. according to the described secondary ejecting mechanism assembly of arbitrary claim among the claim 1-8; It is characterized in that; The lower end of drag hook collision block (1) is provided with first inclined-plane (31); Bullet piece (4) is provided with second inclined-plane (41) with the end that drag hook body (2), drag hook piece (3) match, and above-mentioned first inclined-plane (31) and second inclined-plane (41) are suitable for mutual effect of impact.
10. the secondary ejection system of a mechanical type; The secondary that this secondary ejection system is used for injection mold ejects; It is characterized in that, the described secondary ejecting mechanism assembly of arbitrary claim among the claim 1-9 is arranged on respectively accordingly on the plural side or plural angle of mold injection device.
11. the secondary ejection system according to claim 10 is characterized in that, the quantity at said side or angle is 2-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203910316U CN202293232U (en) | 2011-10-14 | 2011-10-14 | Mechanical secondary ejection mechanism component and secondary ejection system of injection die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203910316U CN202293232U (en) | 2011-10-14 | 2011-10-14 | Mechanical secondary ejection mechanism component and secondary ejection system of injection die |
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| Publication Number | Publication Date |
|---|---|
| CN202293232U true CN202293232U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203910316U Expired - Lifetime CN202293232U (en) | 2011-10-14 | 2011-10-14 | Mechanical secondary ejection mechanism component and secondary ejection system of injection die |
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| CN (1) | CN202293232U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121278A (en) * | 2013-03-13 | 2013-05-29 | 健大电业制品（昆山）有限公司 | Double-ejection device for improved-type injection mold |
| CN103231496A (en) * | 2013-04-13 | 2013-08-07 | 宁波跃飞模具有限公司 | External buckling-type secondary ejecting device |
| CN107415099A (en) * | 2017-06-05 | 2017-12-01 | 湖北三江航天江河橡塑有限公司 | A kind of automotive back encloses inside gadget bridging arrangement mould |
| CN113371427A (en) * | 2021-06-30 | 2021-09-10 | 湖北中烟工业有限责任公司 | Positioning collision type discharging device |
| CN114571638A (en) * | 2022-03-03 | 2022-06-03 | 温州恒丰模具科技有限公司 | Secondary ejection device for mold |
| CN115366347A (en) * | 2022-09-22 | 2022-11-22 | 东风汽车集团股份有限公司 | Secondary ejection demolding mold and demolding resetting method |
-
2011
- 2011-10-14 CN CN2011203910316U patent/CN202293232U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121278A (en) * | 2013-03-13 | 2013-05-29 | 健大电业制品（昆山）有限公司 | Double-ejection device for improved-type injection mold |
| CN103231496A (en) * | 2013-04-13 | 2013-08-07 | 宁波跃飞模具有限公司 | External buckling-type secondary ejecting device |
| CN107415099A (en) * | 2017-06-05 | 2017-12-01 | 湖北三江航天江河橡塑有限公司 | A kind of automotive back encloses inside gadget bridging arrangement mould |
| CN113371427A (en) * | 2021-06-30 | 2021-09-10 | 湖北中烟工业有限责任公司 | Positioning collision type discharging device |
| CN114571638A (en) * | 2022-03-03 | 2022-06-03 | 温州恒丰模具科技有限公司 | Secondary ejection device for mold |
| CN115366347A (en) * | 2022-09-22 | 2022-11-22 | 东风汽车集团股份有限公司 | Secondary ejection demolding mold and demolding resetting method |
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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: 20210115 Address after: 266101 Haier Road, Qingdao hi tech Industrial Park, Shandong Province (inside Haier Industrial Park) Patentee after: QINGDAO HAIER MOLDS Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, hi tech park, Laoshan District, Shandong, Qingdao Patentee before: QINGDAO HAIER MOLDS Co.,Ltd. Patentee before: HAIER GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |
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| CX01 | Expiry of patent term |