CN105415605A - Two-level push-out mechanism and use method thereof - Google Patents
Two-level push-out mechanism and use method thereof Download PDFInfo
- Publication number
- CN105415605A CN105415605A CN201510867593.6A CN201510867593A CN105415605A CN 105415605 A CN105415605 A CN 105415605A CN 201510867593 A CN201510867593 A CN 201510867593A CN 105415605 A CN105415605 A CN 105415605A
- Authority
- CN
- China
- Prior art keywords
- push rod
- ejector pin
- retaining plate
- pin retaining
- limiting component
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/38—Cutting-off equipment for sprues or ingates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of injection molding and machining, in particular to a two-level push-out mechanism. The two-level push-out mechanism comprises a push rod fixing plate and a two-level push rod arranged on the push rod fixing plate in a sliding manner. The two-level push rod can slide at a certain limited distance relative to the push rod fixing plate. One end of the two-level push rod makes contact with subsurface gate aggregate, so that the two-level push rod can push the subsurface gate aggregate out. The two-level push rod can slide relative to a push plate. The invention further discloses a use method for the two-level push-out mechanism. Two-level push-out is adopted, the subsurface gate aggregate and a plastic part are pushed out at different times, accordingly, the subsurface gate aggregate can be well cut off, cut openings are more tidy, and the probability of burrs and fiber drawing is lowered remarkably.
Description
Technical field
The present invention relates to injection molding technical field, be specifically related to the using method of a kind of two-step ejecting mechanism and this mechanism.
Background technology
As everyone knows, along with socioeconomic fast development, increasing to the demand of various injecting products, simultaneously also more and more higher to the quality requirement of product.Plastics injection moulding machine injection moulded products variety protection is various, and range of application is also relatively wider, particularly in Weaving device and auto manufacturing, has various shape injection-molded item to make accessory.The various containers, Turnover Box, the footwear that are seen everywhere in medicine equipment, school supply and stationery and people's daily life, also has the precision part etc. of the injection structure part of various complexity, functor and specific use thereof, injection-molded item is widely used in transport, packaging, post and telecommunications, communication, building, household electrical appliances, computer, the all spectra of the national economy such as Aero-Space and national defence tip, has become the indispensable means of production and goods for consumption.
Current, in order to meet this kind of demand, research staff has improved the mould of various injecting products gradually, as developed the injection mold adopting sub marine gate, Product processing efficiency and product quality can be improved, reach the object that manufacturing enterprise reduces production cost input.
Sub marine gate is tunnel gate again, is to be developed by spot pouring mouth, and it had both overcome the shortcoming of mould with pin point gate complexity, maintains again the advantage of spot pouring mouth.Sub marine gate can be located at dynamic model side, also can be located at cover half side.It can be placed in inner surface or the shelter, side of plastic, also can be placed in the muscle of plastic, on post, also can be placed on die joint, infeeding sprue is general all in inner surface or the shelter, side of plastic, do not affect outward appearance, but, for the sub marine gate being arranged on plastic side, as the nozzle of shampoo bottle, current sub marine gate is all deviate from plastic simultaneously, relative motion when mould and the demoulding of plastic entirety is utilized to break sub marine gate, easily occur that section is uneven, wire drawing, the phenomenons such as burr, the remaining section of sub marine gate of the plastic products after shaping easily scratches human body.
Therefore, a kind of release assembly that neatly can cut off sub marine gate is needed badly.
Summary of the invention
The object of the invention is to: easily occur the phenomenons such as section is uneven, wire drawing, burr for plastic and overall release of the solidifying material of sub marine gate, design a kind of sub marine gate that can neatly cut off and coagulate the differential secondary push rod of material and the using method of this mechanism.
To achieve these goals, the technical solution used in the present invention is:
A kind of two-step ejecting mechanism, comprise push pedal, push rod, ejector pin retaining plate and support plate, described ejector pin retaining plate is arranged between described push pedal and described support plate, described push rod can slide by relatively described support plate, it is characterized in that: also comprise the secondary push rod be slidably arranged on described ejector pin retaining plate, described secondary push rod can stretch out described ejector pin retaining plate and expect to contact with sub marine gate is solidifying, enables described secondary push rod release the solidifying material of described sub marine gate; Described secondary push rod can slide relatively in push pedal.
In this programme, described secondary push rod can to slide one section of limited distance by relatively described ejector pin retaining plate, that is secondary push rod can slide by ejector pin retaining plate relatively, but just can not relatively slide by ejector pin retaining plate after relative ejector pin retaining plate slides a segment distance, but move with ejector pin retaining plate, and secondary push rod can slide relatively in push pedal simultaneously, in prior art, the solidifying material of sub marine gate is released by push rod with plastic simultaneously, what release sub marine gate coagulated material is conventional push rod, and the application adopts described secondary push rod to replace releasing the conventional push rod that sub marine gate coagulates material, so, when releasing, plastic can not coagulate material with sub marine gate and release simultaneously, but plastic is first pushed out, thus plastic and sub marine gate are solidifying expects to produce relative motion, the solidifying material of sub marine gate cuts off from plastic, after this, when described secondary push rod and described ejector pin retaining plate move simultaneously, sub marine gate coagulates material and is pushed out, so, the solidifying material of sub marine gate is not release with plastic simultaneously, better can coagulate material to sub marine gate to cut off, otch is more neat, there is burr, the probability of wire drawing significantly reduces.
As preferably, described secondary push rod is provided with limiting component, described limiting component is greater than the radial dimension of described push rod along the size of described push rod radial direction, described limiting component is arranged between described ejector pin retaining plate and described support plate, so, the distance that secondary push rod slides relative to ejector pin retaining plate is limited, can allow plastic and sub marine gate solidifying expect to separate release.
As preferably, described limiting component comprises the first cylinder block, and described first cylinder block is unremovably fixedly installed on described secondary push rod, so, first cylinder block can carry out integrated manufacture with secondary push rod, low cost of manufacture and the life-span longer, the solidifying material of sub marine gate cuts off better effects if.
As preferably, described limiting component comprises the second cylinder block, and described second cylinder block is removably fixedly connected with described push rod by pin, so, replaceable under the second cylinder block damages non-serviceable situation, need not change secondary push rod, so, maintenance cost is lower.
As preferably, described secondary push rod is provided with nut on one end of described ejector pin retaining plate, so, described ejector pin retaining plate is arranged between described nut and described limiting component, and the distance between limiting component and ejector pin retaining plate regulates by nut, that is, the ultimate range that secondary push rod slides relative to ejector pin retaining plate is adjustable, the distance that release plastic and release sub marine gate coagulate between material is adjustable, so, better can coagulate material to sub marine gate and cut off.
As preferably, described support plate is provided with the groove of adaptive described limiting component, so, can avoid the limiting component collision support plate when releasing sub marine gate solidifying material.
Disclosed herein as well is a kind of using method of above-mentioned two-stage ejection assembly, comprise the following steps:
(1), described two-step ejecting mechanism is assembled: be arranged in by described limiting component between described ejector pin retaining plate and described support plate;
(2), once release: when carrying out die sinking after the shaping end of mold injects, injection machine promotes push pedal, and push pedal promotes push rod and released by plastic, is cut off by solidifying for sub marine gate material from plastic simultaneously;
(3), two-step ejecting: injection machine continues to promote push pedal, makes described push pedal promote secondary push rod and is released by solidifying for sub marine gate material.
In sum, owing to have employed technique scheme, the beneficial effect of the application is:
1, sub marine gate can be made to coagulate and to expect that the cut-out end face with plastic is more neat;
2, the wire drawing of sub marine gate end face can be reduced, occur the probability of burr, reduce the probability of Gate of Plastics injury human body;
3, make the plastic with sub marine gate more attractive in appearance.
The beneficial effect of other embodiments of the application is:
Further increase life-span and the performance of described secondary transfer bar mechanism, reduce further the manufacturing cost of described secondary transfer bar mechanism, make its work more reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the application;
Fig. 2 is the structural representation of the application;
Fig. 3 is the structural representation of the application;
Fig. 4 is the structural representation of the application;
Mark in figure: 1-nut, 2-ejector pin retaining plate, 3-pin, 41-second cylinder block, 42-first cylinder block, 5-support plate, 6-secondary push rod, 7-push rod, 8-release link, 9-plastic, the solidifying material of 91-sub marine gate.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment 1:
As shown in Figure 1, a kind of two-step ejecting mechanism, the secondary push rod 6 comprising ejector pin retaining plate 2 and be slidably arranged on described ejector pin retaining plate 2, described secondary push rod 6 is provided with limiting component, described limiting component is greater than the radial dimension of described push rod along the size of described push rod radial direction, described limiting component comprises the second cylinder block 41, described second cylinder block 41 is removably fixedly connected with described secondary push rod 6 by pin 3, described second cylinder block 41 is arranged between described ejector pin retaining plate 2 and support plate 5, described secondary push rod 6 one end is provided with nut, described ejector pin retaining plate 2 is arranged between described nut 1 and described second cylinder block 41, described support plate is provided with the groove of adaptive described limiting component, so, when releasing, injection machine drives ejector pin retaining plate 2 to move right, plastic 9 moves right under the effect of push rod 7, namely, plastic 9 is released by push rod 7, but, now sub marine gate coagulates material 91 and can not move, be not pushed out.
As shown in Figure 2, injection machine drives ejector pin retaining plate 2 to move right, when the second cylinder block 41 contacts with ejector pin retaining plate 2, secondary push rod 6 moves right under the promotion of injection machine, thus sub marine gate is coagulated material 91 and release, finally reach as shown in Figure 3 for position, now, the second cylinder block 41 is adaptive with the groove be arranged on support plate 5.
So, it is not release that sub marine gate coagulates material 91 with plastic 9 simultaneously, better can coagulate material 91 to sub marine gate and cut off, and otch more neatly, occurs burr, the probability of wire drawing significantly reduces.
Embodiment 2:
As shown in Figure 4, the second cylinder block 41 in embodiment 1 being replaced by the first cylinder block 42, first cylinder block is unremovably fixedly installed on described secondary push rod, so, when releasing, injection machine drives ejector pin retaining plate 2 to move right, and plastic 9 moves right under the effect of push rod 7, namely, plastic 9 is released by push rod 7, but now sub marine gate coagulates material 91 and can not move, and is not pushed out.
As shown in Figure 2, injection machine drives ejector pin retaining plate 2 to move right, when the first cylinder block 42 contacts with ejector pin retaining plate 2, secondary push rod 6 moves right under the promotion of injection machine, thus sub marine gate is coagulated material 91 and release, finally reach as shown in Figure 3 for position, now, first cylinder block 42 is adaptive with the groove be arranged on support plate 5, so, it is not release that sub marine gate coagulates material 91 with plastic 9 simultaneously, better can coagulate material 91 to sub marine gate and cut off, otch is more neat, occurs burr, the probability of wire drawing significantly reduces.
Disclosed herein as well is a kind of using method of above-mentioned two-stage ejection assembly, comprise the following steps:
(1), described two-step ejecting mechanism is assembled: be arranged in by described limiting component between described ejector pin retaining plate and described support plate;
(2), once release: when carrying out die sinking after the shaping end of mold injects, injection machine promotes push pedal, and push pedal promotes push rod and released by plastic, is cut off by solidifying for sub marine gate material from plastic simultaneously;
(3), two-step ejecting: injection machine continues to promote push pedal, makes described push pedal promote secondary push rod and is released by solidifying for sub marine gate material.
Adopting said method, better can coagulate material to sub marine gate and cut off, more neatly, there is burr, the probability of wire drawing significantly reduces in otch.
All any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a two-step ejecting mechanism, comprise push pedal, push rod, ejector pin retaining plate and support plate, described ejector pin retaining plate is arranged between described push pedal and described support plate, described push rod can slide by relatively described support plate, it is characterized in that: also comprise the secondary push rod be slidably arranged on described ejector pin retaining plate, described secondary push rod can stretch out described ejector pin retaining plate and expect to contact with sub marine gate is solidifying, enables described secondary push rod release the solidifying material of described sub marine gate; Described secondary push rod can slide relatively in push pedal.
2. limiting component described in is greater than the radial dimension of described push rod along the size of described push rod radial direction, and described limiting component is arranged between described ejector pin retaining plate and described support plate.
3. two-step ejecting mechanism according to claim 2, is characterized in that: described limiting component comprises the first cylinder block, and described first cylinder block is unremovably fixedly installed on described secondary push rod.
4. two-step ejecting mechanism according to claim 2, is characterized in that: described limiting component comprises the second cylinder block, and described second cylindrical piece is removably fixedly connected with described push rod by pin.
5. two-step ejecting mechanism according to claim 2 ~ 4 any one, is characterized in that: described secondary push rod is provided with nut on one end of described ejector pin retaining plate.
6. two-step ejecting mechanism according to claim 5, is characterized in that: described support plate is provided with the groove of adaptive described limiting component.
7. a using method for two-step ejecting mechanism described in claim 1 ~ 6 any one, comprises the following steps:
(1), described two-step ejecting mechanism is assembled: be arranged in by described limiting component between described ejector pin retaining plate and described support plate;
(2), once release: when carrying out die sinking after the shaping end of mold injects, injection machine promotes push pedal, and push pedal promotes push rod and released by plastic, is cut off by solidifying for sub marine gate material from plastic simultaneously;
(3), two-step ejecting: injection machine continues to promote push pedal, makes described push pedal promote secondary push rod and is released by solidifying for sub marine gate material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510867593.6A CN105415605A (en) | 2015-11-27 | 2015-11-27 | Two-level push-out mechanism and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510867593.6A CN105415605A (en) | 2015-11-27 | 2015-11-27 | Two-level push-out mechanism and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105415605A true CN105415605A (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510867593.6A Pending CN105415605A (en) | 2015-11-27 | 2015-11-27 | Two-level push-out mechanism and use method thereof |
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| Country | Link |
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| CN (1) | CN105415605A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147921A (en) * | 2022-02-10 | 2022-03-08 | 宁波明飞汽车零部件有限公司 | Automobile air outlet dress escutcheon injection mold |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434085A (en) * | 2013-08-19 | 2013-12-11 | 台州市凯华塑业有限公司 | Automatic side gate pull-apart mechanism for two-plate plastic injection mould |
| CN204196132U (en) * | 2014-10-23 | 2015-03-11 | 贵州天义电器有限责任公司 | A kind of plastic handle mould |
| CN204309202U (en) * | 2014-11-11 | 2015-05-06 | 牟维军 | Injection molding push rod push type tunnel gate mould |
| CN205326184U (en) * | 2015-11-27 | 2016-06-22 | 成都工业学院 | Second ejector mechanism |
-
2015
- 2015-11-27 CN CN201510867593.6A patent/CN105415605A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434085A (en) * | 2013-08-19 | 2013-12-11 | 台州市凯华塑业有限公司 | Automatic side gate pull-apart mechanism for two-plate plastic injection mould |
| CN204196132U (en) * | 2014-10-23 | 2015-03-11 | 贵州天义电器有限责任公司 | A kind of plastic handle mould |
| CN204309202U (en) * | 2014-11-11 | 2015-05-06 | 牟维军 | Injection molding push rod push type tunnel gate mould |
| CN205326184U (en) * | 2015-11-27 | 2016-06-22 | 成都工业学院 | Second ejector mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147921A (en) * | 2022-02-10 | 2022-03-08 | 宁波明飞汽车零部件有限公司 | Automobile air outlet dress escutcheon injection mold |
| CN114147921B (en) * | 2022-02-10 | 2022-05-17 | 宁海县第一注塑模具有限公司 | Injection mold for decorative frame of automobile air outlet |
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| PB01 | Publication | ||
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Application publication date: 20160323 |