CN203726729U - Injection mold - Google Patents
Injection mold Download PDFInfo
- Publication number
- CN203726729U CN203726729U CN201420084805.4U CN201420084805U CN203726729U CN 203726729 U CN203726729 U CN 203726729U CN 201420084805 U CN201420084805 U CN 201420084805U CN 203726729 U CN203726729 U CN 203726729U
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- CN
- China
- Prior art keywords
- push rod
- rod group
- mold
- fairlead
- secondary push
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- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an injection mold. According to the technical scheme, theinjection mold is characterized by comprising a moving mold assembly and a fixed mold assembly, wherein the fixed mold assembly comprises a fixed mold fixing plate and a fixed mold fixedly mounted on the fixed mold fixing plate; the moving mold assembly comprises a push mechanism, a moving mold fixing plate, two supporting plates and a moving mold mounted on the moving mold fixing plate through the supporting plates; the supporting plates are fixedly mounted on two sides of the moving mold fixing plate respectively; a cavity for injection molding is formed between the moving mold and the fixed mold; the push mechanism comprises a main push rod group, an auxiliary push rod group, a push plate and a fixed plate fixedly mounted on the push plate, the main and auxiliary push rod groups are mounted on the fixed plate, the main push rod group is close to one of the supporting plates, theauxiliary push rod group is close to the other supporting plate, and the push travel of the main push rod group is larger than that of the auxiliary push rod group. According to the injection mold, the structural design of the push mechanism is improved, so that a plastic product is easy to push out, easy to demold and short in demolding time, the time for the plastic product to fall down from a mold core is short, and the injection mold has the advantage of high production efficiency.
Description
Technical field
The utility model relates to a kind of mould, and more particularly, it relates to a kind of injection mold.
background technology
A kind of processing method of using when injection mo(u)lding is some complex-shaped parts of batch production, specifically refers to the material melting that is heated is injected to die cavity by high pressure, after cooling curing, obtains formed products.Injection mold is a kind of instrument of producing plasthetics, also be the instrument of giving plasthetics complete structure and accurate dimension, injection mold is divided into thermosetting plastic mould according to shaping characteristic, two kinds, thermoplastic plastic's mould, divide into biography mold according to moulding process, blow molding die, draw mould, thermoforming mould, hot-die, injection mould etc., wherein hot-die can be divided into again excessive formula in flash mode, half excessive formula, three kinds of the formulas of not overflowing, injection mold is made up of dynamic model and cover half two parts, dynamic model is arranged on the moving die plate of injection moulding machine, cover half is arranged on the fixed die fixed head of injection moulding machine, dynamic model and cover half closed formation running gate system and die cavity in the time of injection moulding, when die sinking, then dynamic model separates with cover half and by ejecting mechanism, plastic products is released to take out plastic products.In existing injection mold, the unreasonable plastic products of the design of ejecting mechanism are difficult for being pushed out, and make the demould time of plastic products long, and the time that plastic products drop from core is long, causes the shortcoming that production efficiency is low.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of injection mold, this injection mold has improved the structural design of ejecting mechanism, the advantage that time is short and production efficiency is high that make that plastic products are easily released, the easily demoulding, plastic products is dropped from core.
For achieving the above object, the utility model provides following technical scheme: a kind of injection mold, comprise dynamic model assembly and cover half assembly, described cover half assembly comprises cover half fixed head and is fixedly mounted on the cover half on cover half fixed head, described dynamic model assembly comprises ejecting mechanism, dynamic mould fixing plate, two gripper shoes, be arranged on the dynamic model on dynamic mould fixing plate by gripper shoe, gripper shoe is fixedly mounted on respectively dynamic mould fixing plate both sides, between described dynamic model and cover half, be formed for the die cavity of injection moulding, described ejecting mechanism comprises primary push rod group, secondary push rod group, push pedal, be fixedly mounted on the fixed head in push pedal, described master, secondary push rod group is arranged on fixed head, described primary push rod group is near a wherein gripper shoe setting, described secondary push rod group arranges near another piece gripper shoe, the promotion stroke of described primary push rod group is greater than the promotion stroke of secondary push rod group.
By adopting technique scheme, ejecting mechanism is set to primary push rod group and secondary push rod group, primary push rod group is near a wherein gripper shoe setting, secondary push rod group arranges near another piece gripper shoe, and the promotion stroke of primary push rod group is greater than the promotion stroke of secondary push rod group, such design be the equal of just after mould die sinking plastic products in the time just will being released core by primary push rod and secondary push rod, when secondary push rod group stops releasing action, primary push rod group can also be proceeded to release dropping that action makes that plastic products can tilt plastic products are easily released, the easily demoulding, time that plastic products drop from core is short to be had and enhances productivity.
The utility model is further set to: described primary push rod group comprises some primary push rods and transmission mechanism, described primary push rod includes the release section for releasing plastic products and is the linkage section being wholely set with it, described transmission mechanism comprises installation sleeve, fairlead, be located in fairlead and can be along the axially movable lead of fairlead, described lead outer surface is provided with groove vertically, described bottom portion of groove is provided with tooth bar, in described groove, be provided with and tooth bar meshed gears, in described fairlead, be provided with the tooth bar engaging with gear, described linkage section is connected with lead, described moving platen and fairlead corresponding position are provided with the circular port moving for lead, installing hole on described push pedal and fixed head, described installation sleeve is located in installing hole and is connected with push pedal and fixed head, described fairlead is arranged in installation sleeve and can moves axially along installation sleeve.
By adopting technique scheme, lead is in the time being subject to thrust, lead can move in fairlead, lead is connected with primary push rod, thereby drive primary push rod to release action, in groove and groove, be also provided with tooth bar and gear owing to being provided with on lead, also in fairlead, be provided with tooth bar, under the gearing of engaging at wheel and rack when promoting lead, can drive fairlead to move in installation sleeve, when fairlead and moving platen are conflicted, lead can also continue mobile, make primary push rod can also proceed to release action, plastic products are released, dropping of making that plastic products can tilt easily released plastic products, the easily demoulding, thereby short enhancing productivity of the time that plastic products drop from core.
The utility model is further set to: described secondary push rod group comprises some secondary push rods, in described secondary push rod, be equipped with inlet channel, described secondary push rod outer circumference surface is provided with the gas outlet that several communicate with inlet channel, described gas outlet is evenly distributed on secondary push rod outer circumference surface, described gas outlet arranges near secondary push rod top, and described secondary push rod bottom is provided with air inlet.
By adopting technique scheme, inlet channel is set in secondary push rod and sets out gas port on the outer circumference surface near secondary push rod top, after air inlet is connected with extraneous source of the gas, in the time that mould carries out demoulding action, secondary push rod stretches out at this moment gas outlet and just from dynamic model, exposes from dynamic model, thereby gas just can promote that plastic products come off from core from gas outlet ejection, make that plastic products are easily released, the easily demoulding, to reduce time that demould time, plastic products drop from core short and enhance productivity.
Brief description of the drawings
Fig. 1 is the matched moulds view of the utility model injection mold embodiment;
Fig. 2 is the die opening state schematic diagram of the utility model injection mold embodiment.
Reference numeral: 1, dynamic model assembly; 11, ejecting mechanism; 111, primary push rod group; 1111, primary push rod; 1112, transmission mechanism; 11121, installation sleeve; 11122, fairlead; 11123, lead; 112, secondary push rod group; 1121, secondary push rod; 113, push pedal; 114, fixed head; 12, dynamic mould fixing plate; 13, gripper shoe; 14, dynamic model; 2, cover half assembly; 21, cover half fixed head; 22, cover half; 3, die cavity; 4, groove; 41, tooth bar; 5, circular port; 6, inlet channel; 7, gas outlet; 8, air inlet; 9, gear.
Detailed description of the invention
Referring to figs. 1 through Fig. 2, the utility model injection mold embodiment is described further.
A kind of injection mold, comprise dynamic model assembly 1 and cover half assembly 2, described cover half assembly 2 comprises cover half fixed head 21 and is fixedly mounted on the cover half 22 on cover half fixed head 21, described dynamic model assembly 1 comprises ejecting mechanism 11, dynamic mould fixing plate 12, two gripper shoes 13, be arranged on the dynamic model 14 on dynamic mould fixing plate 12 by gripper shoe 13, gripper shoe 13 is fixedly mounted on respectively dynamic mould fixing plate 12114 both sides, between described dynamic model 14 and cover half 22, be formed for the die cavity 3 of injection moulding, described ejecting mechanism 11 comprises primary push rod group 111, secondary push rod group 112, push pedal 113, be fixedly mounted on the fixed head 114 in push pedal 113, described master, secondary push rod group 112 is arranged on fixed head 114, the close wherein gripper shoe 13 of described primary push rod group 111 arranges, described secondary push rod group 112 arranges near another piece gripper shoe 13, the promotion stroke of described primary push rod group 111 is greater than the promotion stroke of secondary push rod group 112.
By adopting technique scheme, ejecting mechanism 11 is set to primary push rod group 111 and secondary push rod group 112, the close wherein gripper shoe 13 of primary push rod group 111 arranges, secondary push rod group 112 arranges near another piece gripper shoe 13, and the promotion stroke of primary push rod group 111 is greater than the promotion stroke of secondary push rod group 112, the promotion stroke ratio pair of promoting mainly dry group pushes away large this of the promotion stroke of dry group and is greater than secondary push rod 1121 tops and arrives the distance of core to the distance of core in primary push rod 1111 tops while releasing action with regard to being equivalent to promote mainly dry group when the die sinking, (the present embodiment preferably primary push rod 1111 tops to the distance of core than secondary push rod 1121 tops to large 5 to 8 millimeters of the distance of core) such design be the equal of just after mould die sinking plastic products in the time just will being released core by primary push rod 1111 and secondary push rod 1121, when secondary push rod group 112 stops releasing action, primary push rod group 111 can also be proceeded to release dropping that action makes that plastic products can tilt plastic products are easily released, the easily demoulding, time that plastic products drop from core is short and enhance productivity.
Described primary push rod group 111 comprises some primary push rods 1111 and transmission mechanism 1112, described primary push rod 1111 includes the release section for releasing plastic products and is the linkage section being wholely set with it, described transmission mechanism 1112 comprises installation sleeve 11121, fairlead 11122, be located in fairlead 11122 and can be along the axially movable lead 11123 of fairlead 11122, described lead 11123 outer surfaces are provided with groove 4 vertically, described groove 4 bottoms are provided with tooth bar 41, in described groove 4, be provided with and tooth bar 41 meshed gears 9, in described fairlead 11122, be provided with the tooth bar 41 engaging with gear 9, described linkage section is connected with lead 11123, described dynamic model 14 plates and fairlead 11122 corresponding positions are provided with the circular port 5 moving for lead 11123, installing hole on described push pedal 113 and fixed head 114, described installation sleeve 11121 is located in installing hole and is connected with push pedal 113 and fixed head 114, described fairlead 11122 is arranged in installation sleeve 11121 and can moves axially along installation sleeve 11121.
By adopting technique scheme, lead 11123 is in the time being subject to thrust, lead 11123 can be in the interior movement of fairlead 11122, lead 11123 is connected with primary push rod 1111, thereby drive primary push rod 1111 to release action, in groove 4 and groove 4, be also provided with tooth bar 41 and gear 9 owing to being provided with on lead 11123, also in fairlead 11122, be provided with tooth bar 41, under the gearing of engaging with tooth bar 41 at gear 9 when promoting lead 11123, can drive fairlead 11122 in the interior movement of installation sleeve 11121, when fairlead 11122 is conflicted with dynamic model 14 plates, lead 11123 can also continue mobile, make primary push rod 1111 can also proceed to release action, plastic products are released, dropping of making that plastic products can tilt easily released plastic products, the easily demoulding, time that plastic products drop from core is short and enhance productivity.
Described secondary push rod group 112 comprises some secondary push rods 1121, in described secondary push rod 1121, be equipped with inlet channel 6, described secondary push rod 1121 outer circumference surfaces are provided with the gas outlet 7 that several communicate with inlet channel 6, described gas outlet 7 is evenly distributed on secondary push rod 1121 outer circumference surfaces, described gas outlet 7 arranges near secondary push rod 1121 tops, and described secondary push rod 1121 bottoms are provided with air inlet 8.
By adopting technique scheme, inlet channel 6 is set and sets out gas port 7 on the outer circumference surface near secondary push rod 1121 tops secondary push rod 1121 is interior, after air inlet 8 is connected with extraneous source of the gas, in the time that mould carries out demoulding action, secondary push rod 1121 stretches out at this moment gas outlet 7 and just from dynamic model 14, exposes from dynamic model 14, thereby gas just can spray from gas outlet 7 and promote that plastic products come off from core, thereby make that plastic products are easily released, the easily demoulding, reduce short the enhancing productivity of time that demould time, plastic products drop from core.
Claims (3)
1. an injection mold, comprise dynamic model assembly and cover half assembly, described cover half assembly comprises cover half fixed head and is fixedly mounted on the cover half on cover half fixed head, described dynamic model assembly comprises ejecting mechanism, dynamic mould fixing plate, two gripper shoes, be arranged on the dynamic model on dynamic mould fixing plate by gripper shoe, gripper shoe is fixedly mounted on respectively dynamic mould fixing plate both sides, between described dynamic model and cover half, be formed for the die cavity of injection moulding, it is characterized in that: described ejecting mechanism comprises primary push rod group, secondary push rod group, push pedal, be fixedly mounted on the fixed head in push pedal, described master, secondary push rod group is arranged on fixed head, described primary push rod group is near a wherein gripper shoe setting, described secondary push rod group arranges near another piece gripper shoe, the promotion stroke of described primary push rod group is greater than the promotion stroke of secondary push rod group.
2. injection mold according to claim 1, it is characterized in that: described primary push rod group comprises some primary push rods and transmission mechanism, described primary push rod includes the release section for releasing plastic products and is the linkage section being wholely set with it, described transmission mechanism comprises installation sleeve, fairlead, be located in fairlead and can be along the axially movable lead of fairlead, described lead outer surface is provided with groove vertically, described bottom portion of groove is provided with tooth bar, in described groove, be provided with and tooth bar meshed gears, in described fairlead, be provided with the tooth bar engaging with gear, described linkage section is connected with lead, described moving platen and fairlead corresponding position are provided with the circular port moving for lead, installing hole on described push pedal and fixed head, described installation sleeve is located in installing hole and is connected with push pedal and fixed head, described fairlead is arranged in installation sleeve and can moves axially along installation sleeve.
3. injection mold according to claim 2, it is characterized in that: described secondary push rod group comprises some secondary push rods, in described secondary push rod, be equipped with inlet channel, described secondary push rod outer circumference surface is provided with the gas outlet that several communicate with inlet channel, described gas outlet is evenly distributed on secondary push rod outer circumference surface, described gas outlet arranges near secondary push rod top, and described secondary push rod bottom is provided with air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084805.4U CN203726729U (en) | 2014-02-26 | 2014-02-26 | Injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084805.4U CN203726729U (en) | 2014-02-26 | 2014-02-26 | Injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203726729U true CN203726729U (en) | 2014-07-23 |
Family
ID=51196833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420084805.4U Expired - Fee Related CN203726729U (en) | 2014-02-26 | 2014-02-26 | Injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203726729U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345999A (en) * | 2015-10-29 | 2016-02-24 | 芜湖市万华塑料制品有限公司 | Injection mold with pushing-out mechanism |
| CN106273199A (en) * | 2016-08-17 | 2017-01-04 | 重庆市盛塑包装制品有限公司 | Epp forming machine |
| CN109664472A (en) * | 2019-01-29 | 2019-04-23 | 集美大学 | Fiberglass reinforced type PBT fine precision injection mold |
| CN111492175A (en) * | 2017-12-07 | 2020-08-04 | 日东电工株式会社 | Method for producing support |
| CN112428522A (en) * | 2020-10-22 | 2021-03-02 | 福建惠安辉腾玻璃塑业有限公司 | Forming die of plastic spherical shell and demolding method thereof |
-
2014
- 2014-02-26 CN CN201420084805.4U patent/CN203726729U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345999A (en) * | 2015-10-29 | 2016-02-24 | 芜湖市万华塑料制品有限公司 | Injection mold with pushing-out mechanism |
| CN105345999B (en) * | 2015-10-29 | 2018-06-29 | 东莞市环力智能科技有限公司 | Injection mold with ejecting mechanism |
| CN106273199A (en) * | 2016-08-17 | 2017-01-04 | 重庆市盛塑包装制品有限公司 | Epp forming machine |
| CN111492175A (en) * | 2017-12-07 | 2020-08-04 | 日东电工株式会社 | Method for producing support |
| CN111492175B (en) * | 2017-12-07 | 2022-08-02 | 日东电工株式会社 | Method for producing support |
| CN109664472A (en) * | 2019-01-29 | 2019-04-23 | 集美大学 | Fiberglass reinforced type PBT fine precision injection mold |
| CN112428522A (en) * | 2020-10-22 | 2021-03-02 | 福建惠安辉腾玻璃塑业有限公司 | Forming die of plastic spherical shell and demolding method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20160226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |