CN205834169U - A kind of ejector sleeve secondary top opening - Google Patents

A kind of ejector sleeve secondary top opening Download PDF

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Publication number
CN205834169U
CN205834169U CN201620751133.7U CN201620751133U CN205834169U CN 205834169 U CN205834169 U CN 205834169U CN 201620751133 U CN201620751133 U CN 201620751133U CN 205834169 U CN205834169 U CN 205834169U
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China
Prior art keywords
ejector sleeve
needle plate
slide block
opening
cover
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CN201620751133.7U
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Chinese (zh)
Inventor
杨宝金
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Ningbo South Mold & Plastic Co Ltd
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Ningbo South Mold & Plastic Co Ltd
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Priority to CN201620751133.7U priority Critical patent/CN205834169U/en
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Abstract

This utility model provides a kind of ejector sleeve secondary top opening, belongs to die casting technical field.It solve existing ejector sleeve secondary top opening and eject inefficient problem.This ejector sleeve secondary top opening includes: cover half;Lower needle plate, it is arranged at below cover half and is connected with cover half;Ejector sleeve assembly, it is arranged between cover half and lower needle plate, and the lower end of described ejector sleeve assembly is inserted on lower needle plate, and the upper end of ejector sleeve assembly is through cover half protruding;Synchronization Component, its two ends are connected with Synchronization Component and lower needle plate respectively, and when Synchronization Component contacts with lower needle plate, lower needle plate energy band active and inactive mold synchronizing moving also makes Synchronization Component move with lower needle plate;When Synchronization Component separates with lower needle plate, ejector sleeve assembly static and lower needle plate energy band active and inactive mold continues to move to.This ejector sleeve secondary top opening have rationally distributed, eject the advantage that efficiency is high.

Description

A kind of ejector sleeve secondary top opening
Technical field
This utility model belongs to die casting technical field, relates to a kind of top opening, particularly a kind of ejector sleeve secondary top Opening apparatus.
Background technology
Extrusion process be a kind of high efficiency and less, without the moulding process of cutting metal, extrusion process is used in modern industry In producing various metal parts, its technical characterstic with uniqueness and significant economic benefit, extrusion process principle is to utilize height Pressing and have in the precision metallic mold cavity of given shape by molten metal press-in one at a high speed, molten metal cools down solidifying under pressure Gu, after molten metal solidification, die casting is opened, and takes out foundry goods, completes a die casting circulation.
In existing die casting, it generally is configured with being ejected by profiled member and making the top opening of its demoulding, top opening Including fixed clamping plate, ejector retainner plate, synchronization blocks, ejector retainner plate is positioned on fixed clamping plate, and synchronization blocks is positioned at and ejects needle plate and fixed clamping plate Between, between fixed clamping plate and synchronization blocks, it is provided with ejector spring, synchronization blocks is provided through the main push rod of ejector retainner plate, Being provided with spacing top on push rod, after profiled member molding, this spacing top is firmly provided with secondary push rod by spacing for profiled member on ejector retainner plate, During the profiled member demoulding, it is necessary to being moved with secondary push rod by main push rod simultaneously, make profiled member break away from moulds, the most main push rod is static, secondary Push rod continues motion, so that profiled member departs from spacing top, and existing this top opening there is problems in that due to thimble It is that the elastic force by spring realizes that plate moves up, and spring is during long-term stretching motion, and its elastic force can constantly weaken With disappear, and synchronization blocks and main push rod move and inefficient maybe cannot move, and depend merely on secondary push rod and move, and cannot make profiled member Depart from spacing top, therefore, cause profiled member easily to be pulled in follow-up knockout course, cause profiled member seriously to be damaged Bad.
In sum, in order to solve the technical problem that above-mentioned top opening exists, need a kind of rationally distributed, top of design Go out the ejector sleeve second synchronization top opening that efficiency is high.
Utility model content
The purpose of this utility model is to there are the problems referred to above for existing technology, it is proposed that a kind of rationally distributed, eject The ejector sleeve secondary top opening that efficiency is high.
The purpose of this utility model can be realized by following technical proposal: a kind of ejector sleeve secondary top opening, including:
Cover half;
Lower needle plate, it is arranged at below cover half and is connected with cover half;
Ejector sleeve assembly, it is arranged between cover half and lower needle plate, and the lower end of described ejector sleeve assembly is inserted on lower needle plate, department The upper end of cartridge module is through cover half protruding;
Synchronization Component, its two ends are connected with ejector sleeve assembly and lower needle plate respectively, when Synchronization Component contacts with lower needle plate, under Needle plate energy band active and inactive mold synchronizing moving also makes Synchronization Component move with lower needle plate;When Synchronization Component separates with lower needle plate, ejector sleeve Assembly static and lower needle plate energy band active and inactive mold continues to move to.
In above-mentioned a kind of ejector sleeve secondary top opening, described ejector sleeve assembly includes:
Needle plate under ejector sleeve, it is arranged between cover half and lower needle plate and described Synchronization Component contacts with needle plate under ejector sleeve;
Needle plate in ejector sleeve, it is arranged under ejector sleeve on needle plate;
Ejector sleeve, it is arranged in ejector sleeve on needle plate and the lower surface of described ejector sleeve is resisted against the upper surface of needle plate under ejector sleeve On;
Described Synchronization Component can drive under ejector sleeve needle plate synchronizing moving and make ejector sleeve along with under ejector sleeve needle plate move.
In above-mentioned a kind of ejector sleeve secondary top opening, being equipped with thimble in ejector sleeve, the lower end of described thimble passes Needle plate being connected with lower needle plate under ejector sleeve, the upper end of thimble is through ejector sleeve protruding.
In above-mentioned a kind of ejector sleeve secondary top opening, the lower end outwardly convex in ejector sleeve is formed with limiting section, in department Offering the stopper slot corresponding with limiting section on cylinder on needle plate, described limiting section is arranged in stopper slot.
In above-mentioned a kind of ejector sleeve secondary top opening, described Synchronization Component includes brace, drag hook and slide block, described Brace is arranged on cover half and lower needle plate is stretched in the lower end of brace, and one end of described drag hook is resisted against under ejector sleeve on needle plate, drag hook The other end be inserted on lower needle plate, described slide block set is located on brace and the front end of described slide block is resisted against on drag hook, described Lower needle plate energy band movable slider moves along brace and makes slide block depart from drag hook.
In above-mentioned a kind of ejector sleeve secondary top opening, brace offers the first inclined-plane, slide block offers Second inclined-plane corresponding with the first inclined-plane, described second inclined-plane is resisted against on the first inclined-plane.
In above-mentioned a kind of ejector sleeve secondary top opening, the side at slide block offers installing hole and at installing hole upper cover Being provided with fixed plate, the two ends being provided with elastic component and described elastic component in installing hole bear against on slide block and fixed plate.
In above-mentioned a kind of ejector sleeve secondary top opening, elastic component is equipped with connecting pin, the one of described connecting pin End is connected through elastic component and with slide block, and the other end of described connecting pin is arranged in fixed plate.
In above-mentioned a kind of ejector sleeve secondary top opening, lower needle plate is fixed with cover plate, on the cover board offer with The fixing groove that slide block is corresponding, described slide block is arranged in fixing groove and described fixed plate is connected with cover plate.
In above-mentioned a kind of ejector sleeve secondary top opening, offering mounting groove on drag hook, the front end of described slide block sets It is placed in mounting groove.
Compared with prior art, this utility model includes cover half, lower needle plate and ejector sleeve assembly, lower needle plate and cover half it Between be additionally provided with Synchronization Component, in the course of the work, when Synchronization Component contacts with lower needle plate, Synchronization Component can drive ejector sleeve group Part moves outward with lower needle plate and ejects profiled member so that profiled member departs from cover half;When Synchronization Component separates with lower needle plate, make Ejector sleeve assembly static and lower needle plate band active and inactive mold continues to move to, improve and of the present utility model eject efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation that this utility model omits cover half.
Fig. 3 is the sectional view of Fig. 2.
Fig. 4 is the structural representation of Synchronization Component in this utility model one preferred embodiment.
Fig. 5 is the structural representation of brace in this utility model one preferred embodiment.
Fig. 6 is the structural representation at another visual angle of brace in this utility model one preferred embodiment.
In figure, 100, lower mold;101, mold cavity;110, base plate;120, fixing post;130, lower needle plate;200, under ejector sleeve Needle plate;210, needle plate in ejector sleeve;220, ejector sleeve;221, limiting section;230, thimble;300, brace;301, the first main body;302, Two main bodys;303, the first inclined-plane;310, slide block;312, fixed plate;313, elastic component;314, connecting pin;315, the second inclined-plane; 320, drag hook;330, cover plate.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is made further Description, but this utility model is not limited to these embodiments.
As shown in Figures 1 to 6, this ejector sleeve secondary top opening includes:
Cover half;
Lower needle plate 130, it is arranged at below cover half and is connected with cover half;
Ejector sleeve assembly, it is arranged between cover half and lower needle plate 130, and the lower end of described ejector sleeve assembly is inserted in lower needle plate On 130, the upper end of ejector sleeve assembly is through cover half protruding;
Synchronization Component, it is connected with ejector sleeve assembly cover half and lower needle plate 130 respectively.
Above-mentioned cover half includes lower mold 100 and base plate 110, and lower mold 100 is arranged on base plate 110 and at lower mold 100 and base plate Being provided with multiple fixing post 120 between 110, the two ends of fixing post 120 contact with lower mold 100 and base plate 110 respectively, above-mentioned lower pin Plate 130 and Synchronization Component may be contained between lower mold 100 and base plate 110, it is ensured that lower mold 100 and base plate 110 are pacified between the two The steadiness of dress.
This utility model, during work, is provided with upper mold in lower mold 100 and opens between upper die and lower die 100 Being provided with the mold cavity 101 for foundry goods molding, above-mentioned lower needle plate 130 through lower mold 100 and is connected with upper mold, at initial position Time, Synchronization Component contacts with lower needle plate 130, and lower needle plate 130 can drive ejector sleeve component synchronization to move by Synchronization Component, it is achieved department Cartridge module can outwards eject profiled member so that profiled member departs from lower mold 100;Instantly needle plate 130 moves up to predeterminated position Time, Synchronization Component departs from lower needle plate 130 so that the static and lower needle plate of ejector sleeve assembly 130 continues up and ejects upper mold to presetting Highly, facilitate the taking-up of mould casting, improve work efficiency.
Above-mentioned ejector sleeve assembly includes under ejector sleeve that under needle plate 200 and ejector sleeve, needle plate 200 is between cover half and lower needle plate 130, Above-mentioned Synchronization Component is resisted against under ejector sleeve on needle plate 200, and under ejector sleeve, the upper surface of needle plate 200 is provided with needle plate 210 in ejector sleeve, Being provided with ejector sleeve 220 in ejector sleeve on needle plate 210, the upper end of ejector sleeve 220 sequentially passes through in ejector sleeve needle plate 210 and lower mold 100 also Being positioned at mold cavity 101, the lower end of ejector sleeve 220 is resisted against needle plate 200 under ejector sleeve, and in the course of the work, lower needle plate 130 can lead to Crossing Synchronization Component drives needle plate 200 under ejector sleeve to move up and make ejector sleeve 220 upwards to eject profiled member, it is ensured that this utility model Normal work.
Preferably, it is formed with limiting section 221, in ejector sleeve in ejector sleeve 220 needle plate 200 side outwardly convex under ejector sleeve Offering the stopper slot corresponding with limiting section 221 on needle plate 210, limiting section 221 is positioned at stopper slot, stopper slot restriction is set The displacement of ejector sleeve 220 in the vertical direction, it is to avoid ejector sleeve 220 position skew occurs and affect ejector sleeve 220 to eject precision existing The generation of elephant, improves work efficiency of the present utility model.
Further, being equipped with thimble 230 in ejector sleeve 220, the lower end of thimble 230 sequentially passes through needle plate 200 under ejector sleeve Being connected with lower needle plate 130 and with base plate 110, thimble 230 upper end is inserted in lower mold 100, in work process of the present utility model In, under ejector sleeve, needle plate 200 can drive ejector sleeve 220 to move along thimble 230, it is to avoid ejector sleeve 220 occurs position in moving process Offset and cause profiled member to pull the generation of phenomenon, improve the mobile accuracy of ejector sleeve 220, it is ensured that work of the present utility model Efficiency.
Further, the diameter of above-mentioned thimble 230 front end reduces and is formed with the first installation portion, simultaneously ejector sleeve 220 front end Diameter also reduces and is formed with second installation portion corresponding with the first installation portion, and the second installation portion is sheathed on the first installation portion, on The inner surface stating the second installation portion can be resisted against on the outer surface of the first installation portion, it is to avoid skew occurs in the position of ejector sleeve 220 The generation of phenomenon.
Above-mentioned Synchronization Component includes brace 300, drag hook 320 and slide block 310, and wherein the upper end of brace 300 is fixed on down On mould 100, the lower end of brace 300 stretches on lower needle plate 130 and lower needle plate 130 can move along brace 300, the one of drag hook 320 End is resisted against under ejector sleeve on needle plate 200, and the other end of drag hook 320 is inserted on lower needle plate 130, and above-mentioned slide block 310 is sheathed on tiltedly On the bar 300 and front end of slide block 310 is resisted against on drag hook 320, when slide block 310 is resisted against on drag hook 320, and lower needle plate 130 energy Drive drag hook 320 synchronizing moving and make needle plate 200 under ejector sleeve drive ejector sleeve 220 upwards to eject profiled member;When slide block 310 and drag hook 320 when departing from, and the static and lower needle plate 130 of ejector sleeve 220 can drive upper mold to continue up and eject so that upper mold and lower mold 100 away from And facilitate the taking-up of profiled member.
Preferably, offering mounting groove on drag hook 320, the front end of above-mentioned slide block 310 is arranged in mounting groove, at slide block Inclined plane is offered respectively, it is to avoid slide block 310 occurs during utility model works on the upper surface of 310 and lower surface Clamping stagnation affects this utility model in mounting groove and normally works the generation of phenomenon, improves work efficiency of the present utility model.
Further, offer installing hole in the side of slide block 310 and on installing hole, be covered with fixed plate 312, in peace The two ends being provided with elastic component 313 and elastic component 313 in dress hole bear against on slide block 310 and fixed plate 312, at lower needle plate During 130 move up along brace 300, brace 300 can make slide block 310 be moved rearwards by and make elastic component 313 compress, and Slide block 310 is made to depart from stopper slot, it is ensured that normal work of the present utility model, when needle plate 130 returns back to initial position instantly, Elastic component 313 can reset and make the front end of slide block 310 be inserted in stopper slot by band movable slider 310, it is achieved that this utility model is certainly Dynamic reset, improves work efficiency of the present utility model.
Further, being equipped with connecting pin 314 on elastic component 313, one end of connecting pin 314 is through elastic component 313 also Being inserted on slide block 310, the other end of connecting pin 314 is movably arranged in fixed plate 312, and above-mentioned slide block 310 can drive solid Rationed marketing is moved and makes elastic component 313 compress, and the setting of connecting pin 314 avoids in use elastic component 313 and position occurs Deviation and affect the generation of slide block 310 normal reset phenomenon, it is ensured that this utility model normally works.
Further, above-mentioned brace 300 includes first main body 301 and the second main body 302 that be connected, the first main body 301 upper Hold into " T " font and be fixed in lower mold 100 by screw so that the first main body 301 can keep resting state with lower mold 100, The diameter of the second main body 302 is less than the diameter of the first main body 301, and in the first main body 301 and the second main body 302 between the two Junction offers the first inclined-plane 303, offers second inclined-plane 315 corresponding with the first inclined-plane 303, just on slide block 310 Under beginning state, the second inclined-plane 315 is resisted against on the first inclined-plane 303, moves up along with lower needle plate 130 when slide block 310, and second is oblique Face 315 can be moved along the first inclined-plane 303 and make slide block 310 be moved rearwards by so that elastic component 313 compresses, and makes slide block 310 Depart from drag hook 320, it is ensured that normal work of the present utility model.
Further, lower needle plate 130 is provided with cover plate 330, cover plate 330 offers corresponding with slide block 310 Fixing groove, in above-mentioned slide block 310 is arranged at fixing groove and slide block 310 can move in fixing groove, above-mentioned fixed plate 312 passes through spiral shell Bolt is fixed on cover plate 330, the setting of cover plate 330 ensure that the mobile accuracy of slide block 310, it is to avoid position occurs in slide block 310 The generation of bias phenomenon, improves work efficiency of the present utility model.
Specific embodiment described herein is only to this utility model spirit explanation for example.This utility model institute Belong to those skilled in the art described specific embodiment to make various amendment or supplement or use similar Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.

Claims (10)

1. an ejector sleeve secondary top opening, it is characterised in that including:
Cover half;
Lower needle plate, it is arranged at below cover half and is connected with cover half;
Ejector sleeve assembly, it is arranged between cover half and lower needle plate, and the lower end of described ejector sleeve assembly is inserted on lower needle plate, ejector sleeve group The upper end of part is through cover half protruding;
Synchronization Component, its two ends are connected with ejector sleeve assembly and lower needle plate respectively, when Synchronization Component contacts with lower needle plate, lower needle plate Energy band active and inactive mold synchronizing moving also makes Synchronization Component move with lower needle plate;When Synchronization Component separates with lower needle plate, ejector sleeve assembly Static and lower needle plate energy band active and inactive mold continues to move to.
A kind of ejector sleeve secondary top opening the most according to claim 1, it is characterised in that described ejector sleeve assembly includes:
Needle plate under ejector sleeve, it is arranged between cover half and lower needle plate and described Synchronization Component contacts with needle plate under ejector sleeve;
Needle plate in ejector sleeve, it is arranged under ejector sleeve on needle plate;
Ejector sleeve, it is arranged in ejector sleeve on needle plate and the lower surface of described ejector sleeve is resisted against under ejector sleeve on the upper surface of needle plate;
Described Synchronization Component can drive under ejector sleeve needle plate synchronizing moving and make ejector sleeve along with under ejector sleeve needle plate move.
A kind of ejector sleeve secondary top opening the most according to claim 2, it is characterised in that be equipped with thimble in ejector sleeve, The lower end of described thimble through needle plate under ejector sleeve and is connected with lower needle plate, and the upper end of thimble passes ejector sleeve protruding.
4. according to a kind of ejector sleeve secondary top opening described in Claims 2 or 3, it is characterised in that outside in the lower end of ejector sleeve Convexing to form limited location portion, offer the stopper slot corresponding with limiting section in ejector sleeve on needle plate, described limiting section is arranged at limit In the groove of position.
A kind of ejector sleeve secondary top opening the most according to claim 2, it is characterised in that described Synchronization Component includes tiltedly Bar, drag hook and slide block, described brace is arranged on cover half and lower needle plate is stretched in the lower end of brace, one end of described drag hook against Under ejector sleeve on needle plate, the other end of drag hook is inserted on lower needle plate, and described slide block set is located on brace and before described slide block End is resisted against on drag hook, and described lower needle plate energy band movable slider moves along brace and makes slide block depart from drag hook.
A kind of ejector sleeve secondary top opening the most according to claim 5, it is characterised in that offer first on brace oblique Face, offers second inclined-plane corresponding with the first inclined-plane on slide block, and described second inclined-plane is resisted against on the first inclined-plane.
A kind of ejector sleeve secondary top opening the most according to claim 5, it is characterised in that the side at slide block offers peace Filling hole and be covered with fixed plate on installing hole, the two ends being provided with elastic component and described elastic component in installing hole bear against On slide block and fixed plate.
A kind of ejector sleeve secondary top opening the most according to claim 7, it is characterised in that be equipped with connection on elastic component Pin, one end of described connecting pin through elastic component and is connected with slide block, and the other end of described connecting pin is arranged in fixed plate.
A kind of ejector sleeve secondary top opening the most according to claim 8, it is characterised in that be fixed with lid on lower needle plate Plate, on the cover board offers the fixing groove corresponding with slide block, and described slide block is arranged in fixing groove and described fixed plate and cover plate It is connected.
A kind of ejector sleeve secondary top opening the most according to claim 9, it is characterised in that offer installation on drag hook Groove, the front end of described slide block is arranged in mounting groove.
CN201620751133.7U 2016-07-14 2016-07-14 A kind of ejector sleeve secondary top opening Active CN205834169U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620751133.7U CN205834169U (en) 2016-07-14 2016-07-14 A kind of ejector sleeve secondary top opening

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620751133.7U CN205834169U (en) 2016-07-14 2016-07-14 A kind of ejector sleeve secondary top opening

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106041022A (en) * 2016-07-14 2016-10-26 宁波南方塑料模具有限公司 Secondary ejection device of ejector sleeve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106041022A (en) * 2016-07-14 2016-10-26 宁波南方塑料模具有限公司 Secondary ejection device of ejector sleeve

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