CN207224514U - The Multifunctional, air top component of suction integral type in a kind of plastic mould - Google Patents

The Multifunctional, air top component of suction integral type in a kind of plastic mould Download PDF

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Publication number
CN207224514U
CN207224514U CN201721255990.9U CN201721255990U CN207224514U CN 207224514 U CN207224514 U CN 207224514U CN 201721255990 U CN201721255990 U CN 201721255990U CN 207224514 U CN207224514 U CN 207224514U
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component
air
multifunctional
spool
shell
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CN201721255990.9U
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严伟法
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DAYA PRECISION MACHINERY Co Ltd
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DAYA PRECISION MACHINERY Co Ltd
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Abstract

The utility model discloses a kind of Multifunctional, air top component of suction integral type in plastic mould, including ejection spool and it is set in outer shell, the upper end of ejection spool is arranged to inverted frustum cone structure, the inner wall of the upper end of shell coordinates for taper surface and ejection spool, multiple gas passages are evenly arranged with the taper surface of shell, eject and be cased with resetting spring outside the rear end of spool, eject the clamp spring being provided with the rear end face of spool for coordinating installation resetting spring.The exhaust of Multifunctional, air top component and ejecting function switch by three-way solenoid valve between vacuum pump and compressed air, realize the multifunction of pneumatic jack component.In addition, rational structure design solves the problems, such as easily stuck existing commonly pneumatic jack and low production efficiency, it is of high cost the problem of.

Description

The Multifunctional, air top component of suction integral type in a kind of plastic mould
Technical field
Parts in a kind of plastic mould are the utility model is related to, more particularly, to a kind of plastic mould suction integral type Multifunctional, air top component.
Background technology
In the design of plastic mould, largely using common pneumatic jack by compressed air ejection part, with ejecting mechanism plus The characteristics of work is simple, and gas ejection distribution of force is uniform.
But existing pneumatic jack structure still suffers from variety of problems when in use, such as:1. ejection spool relies on step with shell Positioning, when ejection face polishes and beats installation, ejection spool is pressed on the positioning step of shell, but spool is passed through with shell Chang Yinwei fit precision is insufficient and stuck phenomenon occurs;2. pneumatic jack function is single, it can only realize the open-top spool of compressed air and incite somebody to action Injecting products eject and this function of self-return, no die cavity exhaust and the function of vacuumizing;3. existing pneumatic jack is in group in addition Positioned and encapsulated using screw thread more during dress, part is processed and the assembly process is complicated, and cost is higher.
Now in view of the above-mentioned problems, devising a kind of suction integral multifunctional pneumatic jack component.Compared with traditional pneumatic jack component, With air-breathing and degassing function, while spool is not in stuck because of fit precision deficiency with the rational taper fit of shell Phenomenon, can improve production efficiency using clamp spring fixed reset spring, the technique for being pressed rear cover in addition but also significantly reduce life Produce cost.Due to being evenly arranged with multiple gas passages on the taper surface of shell, when die cavity needs exhaust, three-way solenoid valve is cut Vacuum pump air entry is shifted to, it is necessary to when ejecting, three-way solenoid valve switches to compressed air, and moulding is ejected.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of Multifunctional, air of suction integral type in plastic mould Top component, has air-breathing and degassing function, and rational structure design solves the problems, such as that existing common pneumatic jack is easily stuck and production is imitated The problem of rate is low, of high cost.
Technical solution is used by the utility model solves above-mentioned technical problem:Suction integral type in a kind of plastic mould Multifunctional, air top component, including ejection spool and be set in outer shell, the upper end of the ejection spool is arranged to down The frustum cone structure put, the inner wall of the upper end of the shell coordinate for taper surface and ejection spool, the taper of the shell Multiple gas passages are evenly arranged with face, resetting spring is cased with outside the rear end of the ejection spool, ejects the rear end of spool The clamp spring for coordinating installation resetting spring is provided with face, shell connects vacuum pump by three-way solenoid valve respectively and compression is empty Gas.The suction and discharge of pneumatic jack component and ejecting function switch by three-way solenoid valve between vacuum pump and compressed air, realize more Functionalization.
The further preferred solution of the utility model:The gas passage is set along the busbar of shell taper surface.
The further preferred solution of the utility model:The face cone degree of the shell taper surface is 45 ° ~ 60 °.
The further preferred solution of the utility model:The enclosure is provided with the ladder including upper hole and lower opening Hole, the upper bore dia are less than lower bore dia, and the resetting spring is installed in upper hole, and the clamp spring is located at lower opening It is interior, and the diameter of clamp spring is more than upper bore dia.
The further preferred solution of the utility model:One end of the resetting spring is against on the top surface in hole, is resetted The other end of spring is against on clamp spring.
The further preferred solution of the utility model:The ejection height of the ejection spool is limited by clamp spring and stepped hole In 2mm.
The further preferred solution of the utility model:The width of the gas passage is 0.005 ~ 0.020mm.
The further preferred solution of the utility model:The bottom of the ejection spool sets card slot, and the clamp spring leads to The mode for crossing extruding is stuck in card slot.
The further preferred solution of the utility model:The bottom surface of the shell is provided with rear cover, and the rear cover is to stay Leachy ring-shaped structure, extrudes after the periphery crowded teeth processing of the rear cover and is installed on outer casing bottom.
The further preferred solution of the utility model:The outer circumferential surface arc transition of the outer casing bottom.
Compared with prior art, the upper end the utility model has the advantage of ejection spool is arranged to inverted round platform knot Structure, the inner wall of the upper end of shell coordinate for taper surface and ejection spool.Shell relies on cone match and positioning with ejection spool, Solve the problems, such as stuck because there is component when step is positioned at and polishes and tap installation.It is evenly arranged with the taper surface of shell more A gas passage, is vented and the passage that vacuumizes as die cavity, realizes the multifunction of pneumatic jack component.After ejecting spool End is outer to be cased with resetting spring, ejects the clamp spring being provided with the rear end face of spool for coordinating installation resetting spring.Using this group It is not only simple for assembly process to fill technique, and cost is low compared with nut or positioning pin, and also production efficiency is high.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model;
Fig. 2 is the sectional view in AA sections in Fig. 1;
Fig. 3 is the structure diagram under the utility model use state;
Fig. 4 is the sectional view in BB sections in Fig. 3;
Fig. 5 is the utility model air suction function schematic diagram;
Fig. 6 is vented ejecting function schematic diagram for the utility model.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining this Utility model, is not used to limit the utility model.
As shown in Figures 1 to 4:The Multifunctional, air top component of suction integral type in a kind of plastic mould, including ejection spool 1 With being set in outer shell 2, the upper end of ejection spool 1 is arranged to inverted frustum cone structure, and the inner wall of the upper end of shell 2 is Taper surface 3 coordinates and positions with ejection spool 1, and multiple gas passages 4 are evenly arranged with the taper surface 3 of shell 2, ejects spool Resetting spring 5 is cased with outside 1 rear end, ejects the clamp spring 6 being provided with the rear end face of spool 1 for coordinating installation resetting spring 5, Shell 2 connects vacuum pump 12 and compressed air respectively by three-way solenoid valve 11.
Gas passage 4 is set along the busbar of 2 taper surface 3 of shell.The width of gas passage 4 is 0.005 ~ 0.020mm.Gas The passage that body passage 4 is vented and is sucked by vacuum as cavity injection, according to the Injection Molding characteristic of different plastics, using fluid force The different in width calculated needed for design gas passage 4 is learned, ensures the existing larger flux of gas passage 4, plastics again will not overflow. In addition, component, under the action of compressed gas, ejection spool 1 still has the function of to eject moulding, realizes the more of pneumatic jack component Functionalization.
The face cone degree of 2 taper surface 3 of shell is 45 ° ~ 60 °.Coordinating the conical surface, ejection spool 1 is to shell 2 when pressurizeing installation The frictional force of component generation is extruded well below ejection component, is not in eject the stuck phenomenon of spool 1.
Shell 2 is internally provided with the stepped hole including upper hole 7 Yu lower opening 8, and 7 diameter of upper hole is less than 8 diameter of lower opening, resets bullet Spring 5 is installed in upper hole 7, and clamp spring 6 is located in lower opening 8, and the diameter of clamp spring 6 is more than upper 7 diameter of hole.
One end of resetting spring 5 is against on the top surface in hole 7, and the other end of resetting spring 5 is against on clamp spring 6.
The ejection height for ejecting spool 1 is limited in 2mm by clamp spring 6 and stepped hole.Excessively ejection is avoided to send out moulding Change shape.
The bottom for ejecting spool 1 sets card slot, and clamp spring 6 is stuck in card slot by way of extruding.Using this packaging technology It is not only simple for assembly process, and cost is low compared with nut or positioning pin.
The bottom surface of shell 2 is provided with rear cover 9, and rear cover 9 is to stay leachy ring-shaped structure, at the periphery crowded teeth of rear cover 9 Extruding is installed on 2 bottom of shell after reason.This technique is same simple efficient and can reduce overall cost.
The outer circumferential surface arc transition of 2 bottom of shell.The excessive face of circular arc reduces installation difficulty, facilitates component to determine in mould Position and installation.
Shell 2 is installed in template 10, and by being connected after three-way solenoid valve 11 with vacuum pump 12.The utility model is installed After template 10, when needing to siphon away mould chamber air, three-way solenoid valve 11 is switched to be turned on 12 import of vacuum pump, while very Sky pump 12 is started to work, and die cavity is inhaled into negative pressure, so as to reduce the injection defect because being vented not smooth reduction.
When the utility model needs to be vented ejection, three-way solenoid valve 11 is switched to be turned on compressed air inlet, and compression is empty Gas enters from 9 bottom of rear cover of more the utility model, and the compression elasticity of resetting spring 5 should be less than compressed air to ejecting spool 1 Ejecting force.After ejecting the ejection of spool 1, gas enters in the interval of die wall and moulding, after gas pressure reaches peeling force Injection-moulded plastic part is ejected evenly.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (10)

1. the Multifunctional, air top component of suction integral type in a kind of plastic mould, including eject spool and be set in outer shell, It is characterized in that the upper end of the ejection spool is arranged to inverted frustum cone structure, the inner wall of the upper end of the shell Coordinate for taper surface and ejection spool, multiple gas passages, the ejection are evenly arranged with the taper surface of the shell Resetting spring is cased with outside the rear end of spool, ejects the clamp spring being provided with the rear end face of spool for coordinating installation resetting spring, Shell connects vacuum pump and compressed air respectively by three-way solenoid valve.
2. the Multifunctional, air top component of suction integral type in a kind of plastic mould according to claim 1, it is characterised in that The gas passage is set along the busbar of shell taper surface.
3. the Multifunctional, air top component of suction integral type in a kind of plastic mould according to claim 1, it is characterised in that The face cone degree of the shell taper surface is 45 ° ~ 60 °.
4. the Multifunctional, air top component of suction integral type in a kind of plastic mould according to claim 1, it is characterised in that The enclosure is provided with the stepped hole including upper hole and lower opening, and the upper bore dia is less than lower bore dia, described Resetting spring is installed in upper hole, and the clamp spring is located in lower opening, and the diameter of clamp spring is more than upper bore dia.
5. the Multifunctional, air top component of suction integral type in a kind of plastic mould according to claim 4, it is characterised in that One end of the resetting spring is against on the top surface in hole, and the other end of resetting spring is against on clamp spring.
6. the Multifunctional, air top component of suction integral type in a kind of plastic mould according to claim 4, it is characterised in that The ejection height of the ejection spool is limited in 2mm by clamp spring and stepped hole.
7. the Multifunctional, air top component of suction integral type in a kind of plastic mould according to claim 1, it is characterised in that The width of the gas passage is 0.005 ~ 0.020mm.
8. the Multifunctional, air top component of suction integral type in a kind of plastic mould according to claim 1, it is characterised in that The bottom of the ejection spool sets card slot, and the clamp spring is stuck in card slot by way of extruding.
9. the Multifunctional, air top component of suction integral type in a kind of plastic mould according to claim 1, it is characterised in that The bottom surface of the shell is provided with rear cover, and the rear cover is to stay leachy ring-shaped structure, the periphery of the rear cover Extruding is installed on outer casing bottom after crowded teeth processing.
10. the Multifunctional, air top component of suction integral type in a kind of plastic mould according to claim 1, it is characterised in that The outer circumferential surface arc transition of the outer casing bottom.
CN201721255990.9U 2017-09-27 2017-09-27 The Multifunctional, air top component of suction integral type in a kind of plastic mould Active CN207224514U (en)

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CN201721255990.9U CN207224514U (en) 2017-09-27 2017-09-27 The Multifunctional, air top component of suction integral type in a kind of plastic mould

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Application Number Priority Date Filing Date Title
CN201721255990.9U CN207224514U (en) 2017-09-27 2017-09-27 The Multifunctional, air top component of suction integral type in a kind of plastic mould

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109551710A (en) * 2018-09-21 2019-04-02 上海安费诺永亿通讯电子有限公司 A kind of multi-layer injection molding molding die for super thick material block

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109551710A (en) * 2018-09-21 2019-04-02 上海安费诺永亿通讯电子有限公司 A kind of multi-layer injection molding molding die for super thick material block

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