CN202572824U - Injection molding mould for processing long and thin push rod - Google Patents

Injection molding mould for processing long and thin push rod Download PDF

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Publication number
CN202572824U
CN202572824U CN 201220088440 CN201220088440U CN202572824U CN 202572824 U CN202572824 U CN 202572824U CN 201220088440 CN201220088440 CN 201220088440 CN 201220088440 U CN201220088440 U CN 201220088440U CN 202572824 U CN202572824 U CN 202572824U
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CN
China
Prior art keywords
push rod
cavity
cover
die
dynamic
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.)
Expired - Fee Related
Application number
CN 201220088440
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Chinese (zh)
Inventor
沈冬林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU YA'ER PLASTIC INDUSTRY TECHNOLOGY Co Ltd
Original Assignee
SUZHOU YA'ER PLASTIC INDUSTRY TECHNOLOGY Co Ltd
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Application filed by SUZHOU YA'ER PLASTIC INDUSTRY TECHNOLOGY Co Ltd filed Critical SUZHOU YA'ER PLASTIC INDUSTRY TECHNOLOGY Co Ltd
Priority to CN 201220088440 priority Critical patent/CN202572824U/en
Application granted granted Critical
Publication of CN202572824U publication Critical patent/CN202572824U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to an injection molding mould for processing a long and thin push rod. The injection molding mould comprises four pairs of fixed mould cores and movable mould cores, wherein each pair of mould cores can be uniformly arranged on templates; two movable mould intermediate inserts are arranged in the middle of a movable templates; a fixed mould nozzle frame is arranged on a position corresponding to the fixed template; multiple nozzles are arranged in the fixed mould nozzle frame; the nozzles are connected with sprue gates of cavities; a hot melt in a hot runner system is injected into the cavities through the nozzles; each pair of mould cores is provided with multiple cavities, and each cavity is provided with a sprue gate; each cavity is combined by multiple pairs of inserts according to a thickness condition of an injection molding part; an ejection mechanism comprises multiple ejector rods; the head and the tail of each of the cavities are respectively provided with one ejector rod, and the middle of each of the cavities and a cavity thickness transition section are provided with two or more than two of ejector rods. The injection molding mould for processing the long and thin push rod, provided by the utility model, has the advantages of compact structure, and capability of effectively improving processing quality, increasing working efficiency, and reducing a rejection rate of products.

Description

A kind of injection mold of processing slim push rod
Technical field
The utility model relates to a kind of mould, and especially a kind of injection mold of processing slim push rod belongs to the injection mold technical field.
Background technology
At present, along with the extensive use of plastic products, existing injection mold can not satisfy growing production and living needs, and injection mold is also towards high yield, high efficiency, high quality improvement.But, some mouldings are still arranged, because the factor of himself shape structure, and improved not processing, shaping efficiency.Shown in the accompanying drawing 1, be to be applied in the field of medicaments for example, be used for push rod on the intravenous injection syringe, its whole thickness is inhomogeneous, and the diameter at head section Q place is that 4 millimeters, the diameter at back segment H place are 2 millimeters.When utilizing the not only thin but also long moulding of existing this type of injection mould processing, also extremely elongated because differing of the diameter at its two ends and length is all bigger with respect to the requirement of the die cavity on the die, be difficult to accomplish high yield; And moulding is when the demoulding, and ejecting mechanism is the disconnected moulding in top often, has not only improved not the efficient of machine-shaping, has also caused very big scrappage.
The utility model content
The utility model purpose is the injection mold that a kind of processing slim push rod is provided for the deficiency that overcomes prior art, and it can improve processing output, increase work efficiency, and reduces product rejection rate.
For achieving the above object, the technical scheme that the utility model adopts is: a kind of injection mold of processing slim push rod, insert and cover half nozzle frame in the middle of comprising solid plate, moving platen, mavable module core, cover half benevolence, ejecting mechanism, TOP-TIP, dynamic model; Form die cavity between the cover half benevolence on mavable module core on the said moving platen and the solid plate with matching; Said cover half Renhe mavable module core is four pairs, and every pair of equal rectangular array of die be arranged on solid plate and the moving platen; The sprue gate of said every pair of die all is positioned at the centre position of template; Inserting in the middle of the said dynamic model is two, and all is fixed on the moving platen; On the said solid plate, on the corresponding position of inserting in the middle of the dynamic model, be equipped with cover half nozzle frame; Insert in the middle of said cover half nozzle frame and the dynamic model, all be positioned at the centre position of template, and between the sprue gate of two pairs of dies; Be provided with a plurality of nozzles in the said cover half nozzle frame; Said nozzle all communicates with the sprue gate of die cavity; Hot melt in the said TOP-TIP injects die cavity through nozzle; Be equipped with a plurality of die cavities on said every pair of die, and each die cavity all is provided with a sprue gate; Said each die cavity all according to the thickness situation of moulding, is combined inserting by many; Said ejecting mechanism includes push rod, and push rod is a plurality of; The head end of said die cavity and tail end are respectively established a push rod, and die cavity middle part and die cavity thickness changeover portion are provided with two or more push rods.
Preferably, be equipped with six die cavities on said every pair of die.
Preferably, the die cavity in said every pair of die all by the cover half head insert, the dynamic model head is inserted, cover half cavity block, movable model cavity insert are formed; Said cover half head is inserted and the corresponding setting of inserting of dynamic model head; Said cover half cavity block and the corresponding setting of movable model cavity insert.
Preferably, the push rod in said each die cavity is four; Said each dynamic model head is provided with a push rod in inserting; Be provided with three push rods in said each movable model cavity insert, lay respectively at the two ends of movable model cavity insert, and a side of inserting near the dynamic model head.
Because the utilization of technique scheme, the utility model compared with prior art has advantage:
The injection mold of a kind of processing slim push rod of the utility model scheme; On solid plate and moving platen, be provided with four pairs of dies that are uniformly distributed with arrangement; Be provided with six die cavities on every pair of die again; After adopting hot flow path side running gate system shot matched moulds, just can process 24 products, improve processing output greatly; And each die cavity is all according to the thickness situation of moulding, inserts by two pairs and forms; Each cavity bottom also is provided with four push rods, is ejected Shi Buhui at moulding and causes product rejection because of pushing up to break, and has guaranteed product quality effectively; Improve working (machining) efficiency, reduced the scrappage of product.The injection mold of the processing slim push rod of the utility model, its compact conformation, output is big, and has effectively guaranteed product quality.
Description of drawings
Below in conjunction with accompanying drawing the utility model technical scheme is described further:
Accompanying drawing 1 is the structural representation of push rod to be processed;
Structural representation when accompanying drawing 2 is the utility model injection mold matched moulds;
Accompanying drawing 3 is the enlarged drawing at A place in the accompanying drawing 2;
Accompanying drawing 4 is the structural representation of dynamic model in the utility model injection mold;
Accompanying drawing 5 is the enlarged drawing at B place in the accompanying drawing 4;
Wherein: Q, push rod cup section; H, push rod back segment; 1, solid plate; 2, moving platen; 3, cover half cavity block; 4, movable model cavity insert; 5, insert in the middle of the dynamic model; 6, die cavity; 7, moving clamping plate; 8, dynamic model top board; 9, dynamic model top backing plate; 10, push rod; 11, cover half shunting sheet frame; 12, cover half nozzle frame; 13, release link; 14, spring; 15, the cover half head is inserted; 16, the dynamic model head is inserted; 17, mavable module core; 18, sprue gate.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done further to specify.
With the push rod of processing shown in the accompanying drawing 1 is example, and accompanying drawing 2-5 is the injection mold of the described a kind of processing slim push rod of the utility model, inserts 5 in the middle of comprising solid plate 1, moving platen 2, mavable module core 17, cover half benevolence, ejecting mechanism, TOP-TIP and dynamic model; Form die cavity 6 between mavable module core 17 on the said moving platen 2 and the cover half benevolence on the solid plate with matching 1; Said cover half Renhe mavable module core 17 is four pairs, and every pair of equal rectangular array of die be arranged on solid plate 1 and the moving platen 2; The sprue gate 18 of said every pair of die all is positioned at the centre position of template; Inserting in the middle of the said dynamic model 5 is two, and all is fixed on the moving platen 2; On the said solid plate 1, on the 5 corresponding positions of inserting in the middle of the dynamic model, be equipped with cover half nozzle frame 12; Said cover half nozzle frame 12 inserts 5 with dynamic model is middle, all is positioned at the centre position of template, and between the sprue gate 18 of two pairs of dies; Be provided with a plurality of nozzles in the said cover half nozzle frame 12; Said nozzle all communicates with the sprue gate 18 of die cavity 6; Hot melt in the said TOP-TIP injects die cavity 6 through nozzle; Be equipped with six die cavities 6 on said every pair of die, and each die cavity 6 all is provided with a sprue gate 18; Said each die cavity 6 all by the cover half head insert 15, the dynamic model head inserts 16, cover half cavity block 3, movable model cavity insert 4 are formed; Said cover half head insert 15 with the 16 corresponding settings of inserting of dynamic model head, and with push rod on the slightly little head section Q of diameter match; Said cover half cavity block 3 and the 4 corresponding settings of movable model cavity insert, and with push rod on the big slightly back segment H of diameter match; Said ejecting mechanism includes push rod 10, release link 13 and spring 14; Said each die cavity 6 bottom all are provided with four push rods 10; Being distributed as each dynamic model head respectively inserts and is provided with a push rod 10 in 16; Be provided with three push rods 10 in each movable model cavity insert 4, and lay respectively at the two ends of movable model cavity insert 4, and near an insert side of 16 of dynamic model head; The bottom of said push rod 10 all is fixed on the dynamic model top board 8; Said dynamic model top board 8 is positioned at the bottom of moving platen 1; The bottom of said dynamic model top board 8 also is fixed with dynamic model top backing plate 9; Said dynamic model top backing plate 9 is positioned at the top of moving clamping plate 7; The below of said moving platen 1 is positioned on four angles of moving platen 2 and is equipped with a release link 13; Be fixed with spring 14 between said release link 13 and the moving platen 2; The bottom of said release link 13 is fixed on the dynamic model top board 8.
Behind the matched moulds, hot melt, sprays in the die cavity via nozzle and sprue gate through TOP-TIP; After the moulding, dynamic model top board and dynamic model top backing plate drive push rod, and moulding is ejected, because the effect of spring and release link, dynamic model top board return drives the push rod return, accomplishes matched moulds.Adopt the injection mold of the utility model, behind the shot matched moulds, just can process 24 products, improved processing output greatly; And when moulding is ejected, can not cause product rejection because of pushing up to break yet, and guaranteed product quality effectively, improved working (machining) efficiency, reduced the scrappage of product.
Below only be the concrete exemplary applications of the utility model, the protection domain of the utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, all drop within the utility model rights protection scope.

Claims (4)

1. the injection mold of a processing slim push rod; Comprise solid plate, moving platen, mavable module core, cover half benevolence, ejecting mechanism, TOP-TIP; Form die cavity between the cover half benevolence on mavable module core on the said moving platen and the solid plate with matching, it is characterized in that: insert and cover half nozzle frame in the middle of also comprising dynamic model; Said cover half Renhe mavable module core is four pairs, and every pair of equal rectangular array of die be arranged on solid plate and the moving platen; The sprue gate of said every pair of die all is positioned at the centre position of template; Inserting in the middle of the said dynamic model is two, and all is fixed on the moving platen; On the said solid plate, on the corresponding position of inserting in the middle of the dynamic model, be equipped with cover half nozzle frame; Insert in the middle of said cover half nozzle frame and the dynamic model, all be positioned at the centre position of template, and between the sprue gate of two pairs of dies; Be provided with a plurality of nozzles in the said cover half nozzle frame; Said nozzle all communicates with the sprue gate of die cavity; Hot melt in the said TOP-TIP injects die cavity through nozzle; Be equipped with a plurality of die cavities on said every pair of die, and each die cavity all is provided with a sprue gate; Said each die cavity all according to the thickness situation of moulding, is combined inserting by many; Said ejecting mechanism includes push rod, and push rod is a plurality of; The head end of said die cavity and tail end are respectively established a push rod, and die cavity middle part and die cavity thickness changeover portion are provided with two or more push rods.
2. the injection mold of processing slim push rod according to claim 1 is characterized in that: be equipped with six die cavities on said every pair of die.
3. the injection mold of processing slim push rod according to claim 2 is characterized in that: the die cavity in said every pair of die all by the cover half head insert, the dynamic model head is inserted, cover half cavity block, movable model cavity insert are formed; Said cover half head is inserted and the corresponding setting of inserting of dynamic model head; Said cover half cavity block and the corresponding setting of movable model cavity insert.
4. according to the injection mold of claim 2 or 3 described processing slim push rods, it is characterized in that: the push rod in said each die cavity is four; Said each dynamic model head is provided with a push rod in inserting; Be provided with three push rods in said each movable model cavity insert, lay respectively at the two ends of movable model cavity insert, and a side of inserting near the dynamic model head.
CN 201220088440 2012-03-10 2012-03-10 Injection molding mould for processing long and thin push rod Expired - Fee Related CN202572824U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220088440 CN202572824U (en) 2012-03-10 2012-03-10 Injection molding mould for processing long and thin push rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220088440 CN202572824U (en) 2012-03-10 2012-03-10 Injection molding mould for processing long and thin push rod

Publications (1)

Publication Number Publication Date
CN202572824U true CN202572824U (en) 2012-12-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220088440 Expired - Fee Related CN202572824U (en) 2012-03-10 2012-03-10 Injection molding mould for processing long and thin push rod

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103085235A (en) * 2013-02-26 2013-05-08 成都市联余精密机械有限公司 Novel total heat channel needle cylinder mould

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103085235A (en) * 2013-02-26 2013-05-08 成都市联余精密机械有限公司 Novel total heat channel needle cylinder mould
CN103085235B (en) * 2013-02-26 2016-01-13 成都市联余精密机械有限公司 A kind of novel full heat channel needle cylinder mould

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121205

Termination date: 20140310