CN104924547B - One kind control insert injection moulding screw rod helical gear location means - Google Patents

One kind control insert injection moulding screw rod helical gear location means Download PDF

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Publication number
CN104924547B
CN104924547B CN201510317618.5A CN201510317618A CN104924547B CN 104924547 B CN104924547 B CN 104924547B CN 201510317618 A CN201510317618 A CN 201510317618A CN 104924547 B CN104924547 B CN 104924547B
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China
Prior art keywords
slider
screw rod
oil cylinder
hole
translator
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CN201510317618.5A
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Chinese (zh)
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CN104924547A (en
Inventor
李诚枫
胥树志
顾来法
雷万里
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Ningbo Shuanglin Mould Co Ltd
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Ningbo Shuanglin Mould Co Ltd
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Publication of CN104924547A publication Critical patent/CN104924547A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065Positioning or centering articles in the mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/36Moulds having means for locating or centering cores

Abstract

Insert injection moulding screw rod helical gear location means, including lifting slider (1), translator slider (2), oil cylinder (3) are controlled the invention discloses one kind.The present invention is provided with caulking groove, jogger hole and oblique chute using the lifting slider in wedge shape, and emptiness avoiding hole and oblique slide rail are provided with the translator slider of wedge shape;Lifting slider is connected to above translator slider through skewed slot rail, and the right side of translator slider and the piston rod of oil cylinder are connected;Lifting slider liftable is slided in dynamic model support plate, and translator slider can be horizontally slipped in dynamic model support plate, and the cylinder body of oil cylinder is fixedly connected with dynamic model support plate, and the top of push rod is upward through emptiness avoiding hole, jogger hole in caulking groove;Lifting slider is risen during matched moulds, pushing tow screw rod is in close contact with die cavity locating dowel upwards ensures MD sizes;Lifting slider is fallen during the demoulding, the helical gear technical scheme that screw rod avoids the horizontal unlatching for closing symbol sliding block from injuring product is unclamped, makes the helical gear insert injection moulding production of screw rod, reached and improved the uniformity of quality, eliminate waste product, reduce the purpose of cost.

Description

One kind control insert injection moulding screw rod helical gear location means
Technical field
The present invention relates to the control device of the insert locations of injection mold, insert injection moulding screw rod helical gear is specifically referred to, is used In a kind of control insert injection moulding screw rod for the position dimension precision for ensuring to be molded between helical gear lower surface and inserts screw tip Helical gear location means.
Background technology
Insert injection moulding screw rod helical gear, refers to using metallic screw rod as inserts, passes through injection mold inserts injection moulding band There are the helical gear screw rod helical gear composite article abbreviation screw rod helical gear of metallic screw rod, plastics matter or product;Screw rod helical teeth Position dimension between the helical gear lower surface of plastics matter of wheel and inserts screw tip is insert injection molding screw rod helical gear Critical size be referred to as MD sizes;
Prior art, which uses screw rod being placed in the insert pocket set at mold cores, carries out mold-closing injection shaping, insert pocket Bottom be provided with spring, spring, which is used for upward pushing tow screw rod, is in close contact the top of screw rod and the die cavity locating dowel of cover half type; The elastic force of spring is difficult to control, i.e. the elastic force of spring is excessive, when mould die sinking, when cover half die cavity forces the Rotating article demoulding, meeting Injure helical gear;The elastic force of spring is too small, during injection moulding, and powerful injection pressure can offset downward the position of screw rod, make The MD sizes occur deviation and produce waste product;During actual production, the elastic force variation with temperature of spring and fluid, screw rod Helical gear quality is difficult to unanimously, and defective products rate and percent defective are high, causes the helical gear integrated cost of screw rod to occupy high, therefore, existing With the presence of technology quality be difficult to unanimously, percent defective high, high cost the problem of with it is not enough.
The content of the invention
The problem of existing for above-mentioned prior art and deficiency, the present invention is using by lifting slider, translator slider, oil cylinder structure Into device, wherein, wedge-shaped lifting slider is provided with caulking groove, jogger hole and oblique chute, and wedge-shaped translator slider is provided with emptiness avoiding hole With oblique slide rail;Lifting slider, which is located to slide with translator slider through skewed slot rail above translator slider, to be fastened and connected, translator slider The piston rod connection of the right side and oil cylinder;Using connection, lifting slider liftable is slidably disposed in dynamic model support plate, and translator slider can be left The right side is slidably disposed in dynamic model support plate, and the cylinder body of oil cylinder is fixedly connected with dynamic model support plate, and the top of push rod is upward through emptiness avoiding hole, top Rod aperture is located in caulking groove;During work, first, oil cylinder pulls translator slider to move right, and lifting slider is moved down, afterwards by screw rod Caulking groove is inserted, mould matched moulds closes symbol sliding block and closed up, and afterwards, oil cylinder pulls translator slider to be moved to the left, and lifting slider is to moving up It is dynamic, the top of screw rod is in close contact upwards with die cavity locating dowel, afterwards, injection moulded products, afterwards, oil cylinder pull translation to slide Block is moved right, and lifting slider is moved down, and is made to disengage with caulking groove bottom land below screw rod, is molded afterwards, is slided closing symbol While block is opened, die cavity completes rotating separation with product, afterwards, and top board drives the skill of the upward pushing tow product disengaging core of push rod Art scheme controls insert injection moulding screw rod helical gear location means there is provided one kind, it is intended to ensured by rising lifting slider during matched moulds The MD sizes, lifting slider is fallen during the demoulding to be prevented from injuring helical gear, is made the helical gear insert injection moulding production of screw rod, is reached and carry The uniformity of high-quality, eliminate waste product, reduce the purpose of cost.
The object of the present invention is achieved like this:One kind control insert injection moulding screw rod helical gear location means, including lifting Sliding block, translator slider, oil cylinder, wherein:Described lifting slider is above the block steel components of wedge shape, the left part of lifting slider It is referred to as caulking groove provided with circular blind hole, the bottom center of the caulking groove is referred to as jogger hole provided with circular through hole, lifting slider It is referred to as a liter inclined-plane below for acclivitous inclined-plane from left to right, described liter of inclined-plane is in T shape provided with left and right directions, cross section Groove is referred to as oblique chute;
Described translator slider is to be acclivitous from left to right above the block steel components of wedge shape, translator slider Inclined-plane is referred to as flat incline plane, and the center of the flat incline plane is referred to as oblique slide rail provided with left and right directions, cross section flange in T shape;It is flat Upper lower through-hole of the left part provided with Long Circle for moving sliding block is referred to as emptiness avoiding hole;
Described oil cylinder is the hydraulically extensible executive component being made up of cylinder body and piston rod;
Lifting slider is located above translator slider to slide to fasten through the oblique chute and oblique slide rail to be slided with translator slider Connection, the jogger hole is corresponding with the emptiness avoiding hole to be communicated, and the right side of translator slider is fixedly connected with the piston rod of oil cylinder;
Using when, the lower section liftable that lifting slider is located at core is slided in dynamic model support plate, translator slider can left and right it is sliding Dynamic to be located in dynamic model support plate, the cylinder body of oil cylinder is fixedly connected with dynamic model support plate, and the top of push rod is upward through emptiness avoiding hole, jogger hole In caulking groove, the lower end of push rod is fixedly connected with top board.
Operation principle and beneficial effect
During work, first, oil cylinder pulls translator slider to move right, and is acted on by the oblique chute and oblique slide rail, and lifting is slided Block is moved down, afterwards, and screw rod is through in core, and the bottom of screw rod is downwardly into caulking groove, and mould matched moulds closes symbol sliding block horizontal Close up, afterwards, oil cylinder pulls translator slider to be moved to the left, and lifting slider is moved up, make the top of screw rod fixed with die cavity upwards Position post is in close contact;Afterwards, injection moulded products, afterwards, oil cylinder pull translator slider to move right, and lifting slider is to moving down It is dynamic, disengage the bottom land below screw rod with caulking groove;Mold afterwards, while symbol sliding block laterally unlatching is closed, screw rod exists In the case of not by caulking groove top pressure, acted on by the helical teeth tooth of die cavity, product rotation is separated with die cavity, afterwards, top board, which drives, to be pushed up The upward pushing tow product of bar departs from core.
The present apparatus is simple in construction, reliable operation, and lifting slider is risen during by matched moulds, and pushing tow screw rod is positioned with die cavity upwards Post is in close contact, to ensure the MD sizes;Lifting slider is fallen during the demoulding, screw rod is unclamped, to prevent the transverse direction for closing symbol sliding block The helical gear for injuring product is opened, makes the helical gear insert injection moulding production of screw rod, improves the uniformity of quality, eliminate useless Product, reduce cost.
Above-mentioned, the present invention uses the device being made up of lifting slider, translator slider, oil cylinder, wherein, wedge-shaped lifting slider Provided with caulking groove, jogger hole and oblique chute, wedge-shaped translator slider is provided with emptiness avoiding hole and oblique slide rail;Lifting slider is located at translator slider Above slide and be fastened and connected through skewed slot rail and translator slider, the right side of translator slider and the piston rod of oil cylinder are connected;Using even Connect, lifting slider liftable is slidably disposed in dynamic model support plate, translator slider can horizontally slip in dynamic model support plate, the cylinder of oil cylinder Body is fixedly connected with dynamic model support plate, and the top of push rod is upward through emptiness avoiding hole, jogger hole in caulking groove;During work, first, oil cylinder Pull translator slider to move right, lifting slider is moved down, screw rod is inserted into caulking groove afterwards, mould matched moulds closes symbol slider box Hold together, afterwards, oil cylinder pulls translator slider to be moved to the left, and lifting slider is moved up, the top of screw rod is positioned upwards with die cavity Post is in close contact, afterwards, injection moulded products, afterwards, and oil cylinder pulls translator slider to move right, and lifting slider is moved down, Make to disengage with caulking groove bottom land below screw rod, mold afterwards, while symbol sliding block unlatching is closed, die cavity completes to revolve with product Turn separation, afterwards, top board drives the upward pushing tow product of push rod to depart from the technical scheme of core, overcomes prior art and there is quality The problem of being difficult to high consistent, percent defective, high cost and a kind of control insert injection moulding screw rod helical gear position dress that is not enough, being provided Put, make the helical gear insert injection moulding production of screw rod, reached and improved the uniformity of quality, eliminate waste product, reduce the purpose of cost.
Brief description of the drawings
Fig. 1 is that a kind of main view of the control insert injection moulding screw rod helical gear location means of the present invention in application mould is cutd open Depending on structural representation;
Fig. 2 is a kind of helical gear schematic diagram of screw rod of use insert injection molding;
Fig. 3 is a kind of control insert injection moulding screw rod helical gear location means of the present invention, is operated in conjunction symbol sliding block 05 laterally While unlatching, screw rod 01 is not in the case of by the top pressure of caulking groove 11, and the principle that the rotation of product 02 separates tense with die cavity 010 is shown It is intended to;
Fig. 4 is a kind of control insert injection moulding screw rod helical gear location means of the present invention, is operated in top board 06 and drives push rod 07 upward pushing tow product 02 departs from the principle schematic of the tense of core 04.
Embodiment in below in conjunction with the accompanying drawings is described in further detail to the present invention, but should not be construed as to the present invention's Any limitation.
In figure:Lifting slider 1, caulking groove 11, jogger hole 12, translator slider 2, emptiness avoiding hole 21, oil cylinder 3, screw rod 01, product 02nd, dynamic model support plate 03, core 04, conjunction symbol sliding block 05, top board 06, push rod 07, die cavity locating dowel 08, cover half 09, die cavity 010.
Embodiment
Refering to Fig. 1~Fig. 4, a kind of control insert injection moulding screw rod helical gear location means of the invention, including lifting slider 1st, translator slider 2, oil cylinder 3, wherein:Described lifting slider 1 is on the block steel components of wedge shape, the left part of lifting slider 1 Face is referred to as caulking groove 11 provided with circular blind hole, and the bottom center of the caulking groove 11 is referred to as jogger hole 12 provided with circular through hole, risen It is referred to as a liter inclined-plane below drop sliding block 1 for acclivitous inclined-plane from left to right, described liter of inclined-plane is provided with left and right directions, cross section Groove in T shape is referred to as oblique chute;
It is to be inclined upwardly from left to right above the steel components of wedge shape bulk, translator slider 2 that described translator slider 2, which is, Inclined-plane be referred to as flat incline plane, the center of the flat incline plane is referred to as oblique slide rail provided with left and right directions, cross section flange in T shape; Upper lower through-hole of the left part of translator slider 2 provided with Long Circle is referred to as emptiness avoiding hole 21;
Described oil cylinder 3 is the hydraulically extensible executive component being made up of cylinder body and piston rod;
Lifting slider 1 is located above translator slider 2 to slide to fasten through the oblique chute and oblique slide rail to be slided with translator slider 2 Dynamic connection, the jogger hole 12 is corresponding with the emptiness avoiding hole 21 to be communicated, and the right side of translator slider 2 and the piston rod of oil cylinder 3 are fixed Connection;
Using when, lifting slider 1 be located at core 04 lower section liftable slide in dynamic model support plate 03, translator slider 2 can Horizontally slip in dynamic model support plate 03, the cylinder body of oil cylinder 3 is fixedly connected with dynamic model support plate 03, and the top of push rod 07 is upward through Emptiness avoiding hole 21, jogger hole 12 are located in caulking groove 11, and the lower end of push rod 07 is fixedly connected with top board 06.
Operation principle and beneficial effect
During work, first, oil cylinder 3 pulls translator slider 2 to move right, and is acted on by the oblique chute and oblique slide rail, lifts Sliding block 1 is moved down, afterwards, and screw rod 01 is through in core 04, and the bottom of screw rod 01 is downwardly into caulking groove 11, mould matched moulds, Close symbol sliding block 05 laterally to close up, afterwards, oil cylinder 3 pulls translator slider 2 to be moved to the left, and lifting slider 1 is moved up, and makes screw rod 01 Top be in close contact upwards with die cavity locating dowel 08;Afterwards, injection moulded products 02, afterwards, oil cylinder 3 pull translator slider 2 Move right, lifting slider 1 is moved down, disengage the bottom land below screw rod 01 with caulking groove 11;Mold, closing afterwards While accord with sliding block 05 and laterally open, screw rod 01 is made in the case of not by the top pressure of caulking groove 11 by the helical teeth tooth of die cavity 010 With the rotation of product 02 is separated with die cavity 010, afterwards, and top board 06 drives the upward pushing tow product 02 of push rod 07 to depart from core 04.
The present apparatus is simple in construction, reliable operation, and by rising lifting slider 1 during matched moulds, pushing tow screw rod 01 is upwards and die cavity Locating dowel 08 is in close contact, to ensure the MD sizes;Lifting slider 1 is fallen during the demoulding, screw rod 01 is unclamped, is slided with preventing from closing symbol The horizontal of block 05 opens the helical gear for injuring product 02, makes the helical gear insert injection moulding production of screw rod, improves the consistent of quality Property, waste product is eliminated, cost is reduced.

Claims (1)

1. one kind control insert injection moulding screw rod helical gear location means, including lifting slider (1), translator slider (2), oil cylinder (3), It is characterized in that:Described lifting slider (1) is provided with circle above the block steel components of wedge shape, the left part of lifting slider (1) The blind hole of shape is referred to as caulking groove (11), and the bottom center of the caulking groove (11) is referred to as jogger hole (12) provided with circular through hole, lifted It is referred to as a liter inclined-plane below sliding block (1) for acclivitous inclined-plane from left to right, described liter of inclined-plane is provided with left and right directions, cross section Groove in T shape is referred to as oblique chute;
It is to be inclined upwardly from left to right above the steel components of wedge shape bulk, translator slider (2) that described translator slider (2), which is, Inclined-plane be referred to as flat incline plane, the center of the flat incline plane is referred to as oblique slide rail provided with left and right directions, cross section flange in T shape; Upper lower through-hole of the left part of translator slider (2) provided with Long Circle is referred to as emptiness avoiding hole (21);
Described oil cylinder (3) is the hydraulically extensible executive component being made up of cylinder body and piston rod;
Lifting slider (1), which is located above translator slider (2) to slide through the oblique chute and oblique slide rail, to be fastened and translator slider (2) It is slidably connected, the jogger hole (12) is corresponding with the emptiness avoiding hole (21) to be communicated, the right side and the oil cylinder (3) of translator slider (2) Piston rod is fixedly connected;
Using when, the lower section liftable that lifting slider (1) is located at core (04) is slided in dynamic model support plate (03), translator slider (2) it can horizontally slip in dynamic model support plate (03), the cylinder body of oil cylinder (3) is fixedly connected with dynamic model support plate (03), push rod (07) Top be upward through emptiness avoiding hole (21), jogger hole (12) in the caulking groove (11), the lower end of push rod (07) and top board (06) are solid Fixed connection.
CN201510317618.5A 2015-06-06 2015-06-06 One kind control insert injection moulding screw rod helical gear location means Active CN104924547B (en)

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CN201510317618.5A CN104924547B (en) 2015-06-06 2015-06-06 One kind control insert injection moulding screw rod helical gear location means

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CN201510317618.5A CN104924547B (en) 2015-06-06 2015-06-06 One kind control insert injection moulding screw rod helical gear location means

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CN104924547B true CN104924547B (en) 2017-07-18

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101821996B1 (en) 2017-09-27 2018-01-25 (주)에이테크오토모티브 An injection mold for manufacturing plastic helical gear

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008221687A (en) * 2007-03-14 2008-09-25 Ricoh Co Ltd Molding die of resin helical gear and resin helical gear molded using the same
CN201249509Y (en) * 2008-07-08 2009-06-03 宁波双林模具有限公司 Screw bolt plastic helical gear mold
CN201800200U (en) * 2010-09-29 2011-04-20 上海维科精密模塑有限公司 Metal insert injection mold
CN103522456A (en) * 2013-10-16 2014-01-22 宁波双林模具有限公司 Device for movably supporting insert
CN204687274U (en) * 2015-06-06 2015-10-07 宁波双林模具有限公司 A kind of control insert injection moulding screw rod helical gear location means

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008221687A (en) * 2007-03-14 2008-09-25 Ricoh Co Ltd Molding die of resin helical gear and resin helical gear molded using the same
CN201249509Y (en) * 2008-07-08 2009-06-03 宁波双林模具有限公司 Screw bolt plastic helical gear mold
CN201800200U (en) * 2010-09-29 2011-04-20 上海维科精密模塑有限公司 Metal insert injection mold
CN103522456A (en) * 2013-10-16 2014-01-22 宁波双林模具有限公司 Device for movably supporting insert
CN204687274U (en) * 2015-06-06 2015-10-07 宁波双林模具有限公司 A kind of control insert injection moulding screw rod helical gear location means

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