CN109203382A - A kind of application method of rocking bar ejecting mechanism injection mold - Google Patents

A kind of application method of rocking bar ejecting mechanism injection mold Download PDF

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Publication number
CN109203382A
CN109203382A CN201810933064.5A CN201810933064A CN109203382A CN 109203382 A CN109203382 A CN 109203382A CN 201810933064 A CN201810933064 A CN 201810933064A CN 109203382 A CN109203382 A CN 109203382A
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CN
China
Prior art keywords
mold
plate
oblique top
rocking bar
top head
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.)
Pending
Application number
CN201810933064.5A
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Chinese (zh)
Inventor
不公告发明人
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.)
Kou Changhua
Original Assignee
Kou Changhua
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kou Changhua filed Critical Kou Changhua
Priority to CN201810933064.5A priority Critical patent/CN109203382A/en
Publication of CN109203382A publication Critical patent/CN109203382A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/4005—Ejector constructions; Ejector operating mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • B29C2045/338—Mould parts with combined axial and transversal movements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B29C2045/445—Removing or ejecting moulded articles for undercut articles using the movable undercut forming element for ejection of the moulded article

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The present invention provides a kind of application methods of rocking bar ejecting mechanism injection mold, the rocking bar post rod mechanism solve straight oblique top mold assembly and ejection movement in other structures part interference problem, it can guarantee that ejecting mechanism component with moving template or other component interferences, does not guarantee that oblique top head side core-pulling ejects effect；Mold mould frame mechanism component solves the carrying and installation of mechanism member, can guarantee that mechanism smoothly acts and the smooth molding of plastic；The problem of compared to the prior art in mold using straight angle ejector rod ejection occupied space, its advantage is that setting the smooth ejection for guaranteeing oblique top head in the small space under space in mould structure, realize the smooth injection molding of plastic.

Description

A kind of application method of rocking bar ejecting mechanism injection mold
Technical field
The present invention relates to injection mold mechanism design field, specially a kind of user of rocking bar ejecting mechanism injection mold Method.
Background technique
When plastic type core side has back-off, when being ejected using the long mandril of straight rod type, since type core mold insert and moving template are set The limitation in space is counted, straight jogger hole cannot open up too big on moving template, occupy more mould structure space, or straight mandril and zero Part interference, thus need to design it is a kind of not only can guarantee ejection stroke, but also be able to satisfy the pitched roof mechanism of side core-pulling stroke and corresponding Mould structure.
Summary of the invention
Technical problem to be solved by the present invention lies in providing a kind of application method of rocking bar ejecting mechanism injection mold, if Rationally, compact-sized, the operation is stable is securely and reliably, easy-to-use for meter；In order to solve the above-mentioned prior art problems, the present invention adopts Included guiding forming blocks, oblique top head, shaken with following scheme: a kind of application method of rocking bar ejecting mechanism injection mold, the mold Bar, rocking bar core, reset spring, release link, stripper plate pull rod, upper mold mold insert, type core circle mold insert, type core mold insert, panel, de- material Plate, cope plate, nylon buckles, lower template, support block, thimble cover board, thimble push plate, bottom plate, oblique top, support column, side slide, sliding block bullet Spring, spring pull rod, locating ring, gate bush, sprue puller, bearing type die set guide pin, stripper plate guide sleeve, cope plate guide sleeve, cope plate pair are led Set teaches column, solid plate pull rod.
Preferably, in the mold, rocking bar ejection assembly includes guiding forming blocks, oblique top head, rocking bar, rocking bar core；Guiding Forming blocks are fastened on type core mold insert by screw, and side is provided with dovetail groove, are slided by dovetail groove and oblique top head Cooperation, oblique top head are used for the molding and demoulding of plastic inner wall back-off, and oblique top head lower end is provided with spherical seat slot to install rocking bar Upper end ballhead, rocking bar lower end ballhead are installed in the spherical seat slot of rocking bar core, and rocking bar core is fastened on top by screw In needle push plate, for pushing rocking bar, to push dovetail groove ejection of the oblique top head in guiding forming blocks.
Preferably, in the mold, ejecting mechanism component includes reset spring, release link, oblique top, support column；Reset bullet Spring, release link retract for thimble cover board, thimble push plate to be resetted；Oblique top is used for the demoulding of plastic side back-off；Support column is used for The strength support of lower template.
Preferably, in the mold, die carrier structure component includes stripper plate pull rod, panel, stripper plate, cope plate, nylon Button, lower template, support block, thimble cover board, thimble push plate, bottom plate, locating ring, gate bush, sprue puller, bearing type die set guide pin, stripper plate Guide sleeve, cope plate pair guide sleeve, teaches column, solid plate pull rod at cope plate guide sleeve；Stripper plate pull rod, panel, stripper plate, cope plate Constitute the cover half part of mold；Lower template, support block, thimble cover board, thimble push plate, bottom plate constitute the dynamic model part of mold；Positioning Circle, gate bush, sprue puller constitute running gate system component parts；Bearing type die set guide pin, stripper plate guide sleeve, cope plate guide sleeve are used for cover half mould The motion guide of plate；Cope plate pair guide sleeve teaches column for cope plate, the closed reduction motion guide of lower template；Nylon buckles are used It is temporarily closed and sucks in cope plate, lower template；Solid plate pull rod；Parting spacing of the stripper plate pull rod for stripper plate, cope plate Control.
Preferably, in the mold, molding assembly include guiding forming blocks, oblique top head, upper mold mold insert, type core circle mold insert, Type core mold insert；Be oriented to forming blocks, oblique top head, upper mold mold insert constitute mold cavity forming part, guiding forming blocks by screw fastening with it is upper The assembling of mould mold insert；Oblique top head and forming blocks are slidably matched assembling by dovetail groove, the molding and demoulding being buckled to for side wall；Type core Circle mold insert mosaic is installed on type core mold insert and constitutes core moulding part.
Preferably, in the mold, side core-pulling component includes side slide, sliding block spring, spring pull rod, and component is used for plastic The molding and demoulding of lateral orifices.
In the present invention: the technical issues of rocking bar post rod mechanism solves is: straight oblique top in mold assembly and ejection movement with Other structures part interference problem, the beneficial effect reached is: can guarantee ejecting mechanism component not with moving template or other structures Part interference guarantees that oblique top head side core-pulling ejects effect.
In the present invention: the technical issues of mould frame mechanism component solves is: the carrying and installation of mechanism member, the beneficial effect reached Fruit is: can guarantee that mechanism smoothly acts and the smooth molding of plastic.
The problem of present invention is whole, ejects occupied space using straight angle ejector rod in mold compared to the prior art is beneficial Effect is: setting the smooth ejection for guaranteeing oblique top head in the small space under space in mould structure, realizes the smooth note of plastic It is moulded into type.
Detailed description of the invention
Fig. 1 die structure dwg I；
Fig. 2 rocking bar pitched roof mechanism；
Fig. 3 die structure dwg II；
Fig. 4 dynamic model top view；
Fig. 5 cover half bottom view.
Specific embodiment
Fig. 1-5 show related description figure of the present invention；Specific embodiment is as shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5 institute Show, a kind of rocking bar ejecting mechanism injection mold, including guiding forming blocks 1, oblique top head 2, rocking bar 3, rocking bar core 4, reset spring 5, Release link 6, stripper plate pull rod 7, upper mold mold insert 8, type core circle mold insert 9, type core mold insert 10, panel 11, stripper plate 12, cope plate 13, nylon buckles 14, lower template 15, support block 16, thimble cover board 17, thimble push plate 18, bottom plate 19, oblique top 20, support column 21, sideslip Block 22, sliding block spring 23, spring pull rod 24, locating ring 25, gate bush 26, sprue puller 27, bearing type die set guide pin 28, stripper plate guide sleeve 29, cope plate guide sleeve 30, cope plate pair guide sleeve 31, guidance column 32, solid plate pull rod 33.
In the mold, rocking bar ejection assembly includes guiding forming blocks 1, oblique top head 2, rocking bar 3, rocking bar core 4；Guiding molding Block 1 is fastened on type core mold insert 10 by screw, and side is provided with dovetail groove, is slided by dovetail groove and oblique top head 2 Cooperation, oblique top head 2 are used for the molding and demoulding of plastic inner wall back-off, and 2 lower end of oblique top head is provided with spherical seat slot to install rocking bar 3 Upper end ballhead, 3 lower end ballhead of rocking bar is installed in the spherical seat slot of rocking bar core 4, and rocking bar core 4 passes through screw fastening installation In on thimble push plate 18, for pushing rocking bar 3, to push dovetail groove ejection of the oblique top head 2 in guiding forming blocks 1.
In the mold, ejecting mechanism component includes reset spring 5, release link 6, oblique top 20, support column 21；Reset spring 5, release link 6 retracts for thimble cover board 17, thimble push plate 18 and resets；Oblique top 20 is used for the demoulding of plastic side back-off；Support Column 21 is used for the strength support of lower template 15.The length of sprue puller is 20-81cm.
In the mold, die carrier structure component includes stripper plate pull rod 7, panel 11, stripper plate 12, cope plate 13, nylon Detain 14, lower template 15, support block 16, thimble cover board 17, thimble push plate 18, bottom plate 19, locating ring 25, gate bush 26, sprue puller 27, bearing type die set guide pin 28, stripper plate guide sleeve 29, cope plate guide sleeve 30, cope plate pair guide sleeve 31, guidance column 32, solid plate pull rod 33； Stripper plate pull rod 7, panel 11, stripper plate 12, cope plate 13 constitute the cover half part of mold；Lower template 15, support block 16, thimble lid Plate 17, thimble push plate 18, bottom plate 19 constitute the dynamic model part of mold；, locating ring 25, gate bush 26, sprue puller 27 composition pour Injection system component parts；Bearing type die set guide pin 28, stripper plate guide sleeve 29, cope plate guide sleeve 30 are used for the motion guide of cover half template；Upper mold Plate pair guide sleeve 31 teaches column 32 for cope plate 13, the closed reduction motion guide of lower template 15；Nylon buckles 14 are used for cope plate 13, temporarily closure sucks lower template 15；Solid plate pull rod 33；Parting of the stripper plate pull rod 7 for stripper plate 12, cope plate 13 is fixed Away from control.
In the mold, molding assembly includes guiding forming blocks 1, oblique top head 2, upper mold mold insert 8, type core circle mold insert 9, type core Mold insert 10；Be oriented to forming blocks 1, oblique top head 2, upper mold mold insert 8 constitute mold cavity forming part, guiding forming blocks 1 by screw fasten and Upper mold mold insert 8 assembles；Oblique top head 2 and forming blocks 1 are slidably matched assembling by dovetail groove, the molding for side wall back-off with take off Mould；Circle 9 mosaic of mold insert of type core is installed on type core mold insert 10 and constitutes core moulding part.
In the mold, side core-pulling component includes side slide 22, sliding block spring 23, spring pull rod 24, and component is used for plastic The molding and demoulding of lateral orifices.
In actual work, the course of work (application method) of mechanism is divided into following steps:
Mold is opened altogether in three times, and the die joint of opening is followed successively by P1 → P2 → P3.
1) mold closure injection molding, injection molding machine are injected molten plastic in runner by its gun barrel, pass through spot pouring mouth runner pair Die cavity is molded, and injection molding finishes, and prepares die sinking.
2) P1 is opened under the pulling of injection molding machine dynamic model, and mold dynamic model part retreats, and mold is beaten at P1 die joint first It opens, when opening, under the pulling of sprue puller, runner waste material is separated with the product in die cavity.
3) P2 open mold dynamic model continue to retreat, mold will be opened at P2 die joint, after opening, stripper plate 12 will stay in Runner waste material thereon scrapes, and realizes the automatic demoulding of runner waste material.
4) P3 opens mold dynamic model and continues to retreat, and mold will be opened at P3 die joint, under the driving of sliding block spring 23, Side slide 22 skids off downwards, completes the demoulding of product side side opening feature.
5) it ejects, dynamic model continues to retreat, and under the pushing of injection molding machine mandril, thimble push plate 18 pushes rocking bar 3 to push oblique top The first 2 oblique ejections of dovetail groove opened up in guiding forming blocks 1, the also synchronous ejection of oblique top 20, by plastic from type core mold insert 10 It is completely out.
6) it resets, reseting procedure is opposite with die sinking process action.
Specific embodiment described herein is only an example for the spirit of the invention, the neck of technology belonging to the present invention The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.

Claims (1)

1. a kind of application method of rocking bar ejecting mechanism injection mold, which includes guiding forming blocks (1), oblique top head (2), shakes Bar (3), rocking bar core (4), reset spring (5), release link (6), stripper plate pull rod (7), upper mold mold insert (8), type core circle mold insert (9), type core mold insert (10), panel (11), stripper plate (12), cope plate (13), nylon buckles (14), lower template (15), support block (16), thimble cover board (17), thimble push plate (18), bottom plate (19), oblique top (20), support column (21), side slide (22), sliding block bullet Spring (23), spring pull rod (24), locating ring (25), gate bush (26), sprue puller (27), bearing type die set guide pin (28), stripper plate are led It covers (29), cope plate guide sleeve (30), cope plate pair guide sleeve (31), teach column (32), solid plate pull rod (33)；In the mold, Rocking bar ejection assembly includes guiding forming blocks (1), oblique top head (2), rocking bar (3), rocking bar core (4)；Guiding forming blocks (1) passes through spiral shell Nail is fastened on type core mold insert (10), and side is provided with dovetail groove, is slidably matched by dovetail groove and oblique top head (2), Oblique top head (2) is used for the molding and demoulding of plastic inner wall back-off, and oblique top head (2) lower end is provided with spherical seat slot to install rocking bar (3) upper end ballhead, rocking bar (3) lower end ballhead are installed in the spherical seat slot of rocking bar core (4), and rocking bar core (4) passes through spiral shell Nail is fastened on thimble push plate (18), for pushing rocking bar (3), to push oblique top head (2) in guiding forming blocks (1) Dovetail groove ejection；In the mold, ejecting mechanism component includes reset spring (5), release link (6), oblique top (20), support column (21)；Reset spring (5), release link (6) retract for thimble cover board (17), thimble push plate (18) to be resetted；Oblique top (20) is used for The demoulding of plastic side back-off；Support column (21) is used for the strength support of lower template (15)；In the mold, die carrier structure component Including stripper plate pull rod (7), panel (11), stripper plate (12), cope plate (13), nylon buckles (14), lower template (15), support block (16), thimble cover board (17), thimble push plate (18), bottom plate (19), locating ring (25), gate bush (26), sprue puller (27), mould Frame guide post (28), cope plate guide sleeve (30), cope plate pair guide sleeve (31), teaches column (32), solid plate to draw at stripper plate guide sleeve (29) Bar (33)；Stripper plate pull rod (7), panel (11), stripper plate (12), cope plate (13) constitute the cover half part of mold；Lower template (15), support block (16), thimble cover board (17), thimble push plate (18), bottom plate (19) constitute the dynamic model part of mold；, locating ring (25), gate bush (26), sprue puller (27) constitute running gate system component parts；Bearing type die set guide pin (28), stripper plate guide sleeve (29), on Template guide sleeve (30) is used for the motion guide of cover half template；Cope plate pair guide sleeve (31), teach column (32) for cope plate (13), The closed reduction motion guide of lower template (15)；For cope plate (13), lower template (15), temporarily closure sucks nylon buckles (14)； Solid plate pull rod (33)；Stripper plate pull rod (7) is for stripper plate (12), the parting spacing control of cope plate (13)；The mold In, molding assembly includes guiding forming blocks (1), oblique top head (2), upper mold mold insert (8), type core circle mold insert (9), type core mold insert (10)；It is oriented to forming blocks (1), oblique top head (2), upper mold mold insert (8) composition mold cavity forming part, guiding forming blocks (1) passes through screw Fastening is assembled with upper mold mold insert (8)；Oblique top head (2) and forming blocks (1) are slidably matched assembling by dovetail groove, are used for side wall back-off Molding and demoulding；Circle mold insert (9) mosaic of type core is installed on type core mold insert (10) and constitutes core moulding part；In the mold, side Core pulling component includes side slide (22), sliding block spring (23), spring pull rod (24), and component is used for the molding of plastic lateral orifices and takes off Mould；.
The application method of the rocking bar ejecting mechanism injection mold, includes the following steps:
1) mold closure injection molding, injection molding machine is injected molten plastic in runner by its gun barrel, by spot pouring mouth runner to die cavity It is molded, injection molding finishes, and prepares die sinking.
2) P1 is opened under the pulling of injection molding machine dynamic model, and mold dynamic model part retreats, and mold is opened first at P1 die joint, beaten When opening, under the pulling of sprue puller, runner waste material is separated with the product in die cavity.
3) P2 opens mold dynamic model and continues to retreat, and mold will be opened at P2 die joint, and after opening, stripper plate will be stayed thereon Runner waste material scrapes, and realizes the automatic demoulding of runner waste material.
4) P3 opens mold dynamic model and continues to retreat, and mold will be opened at P3 die joint, under the driving of sliding block spring, side slide It skids off downwards, completes the demoulding of product side side opening feature.
5) it ejects, dynamic model continues to retreat, and under the pushing of injection molding machine mandril, thimble push plate pushes rocking bar to push oblique top head along guiding The oblique ejection of the dovetail groove opened up in forming blocks, oblique top also synchronous ejection are completely out from type core mold insert by plastic.
6) it resets, reseting procedure is opposite with die sinking process action.
CN201810933064.5A 2018-08-16 2018-08-16 A kind of application method of rocking bar ejecting mechanism injection mold Pending CN109203382A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810933064.5A CN109203382A (en) 2018-08-16 2018-08-16 A kind of application method of rocking bar ejecting mechanism injection mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810933064.5A CN109203382A (en) 2018-08-16 2018-08-16 A kind of application method of rocking bar ejecting mechanism injection mold

Publications (1)

Publication Number Publication Date
CN109203382A true CN109203382A (en) 2019-01-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810933064.5A Pending CN109203382A (en) 2018-08-16 2018-08-16 A kind of application method of rocking bar ejecting mechanism injection mold

Country Status (1)

Country Link
CN (1) CN109203382A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113290787A (en) * 2021-05-20 2021-08-24 浙江工商职业技术学院 Cosmetic box cover forming die

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113290787A (en) * 2021-05-20 2021-08-24 浙江工商职业技术学院 Cosmetic box cover forming die
CN113290787B (en) * 2021-05-20 2022-12-16 宁波劲超模塑有限公司 Cosmetic box cover forming die

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Application publication date: 20190115