CN105172045B - A kind of mould structure - Google Patents

A kind of mould structure Download PDF

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Publication number
CN105172045B
CN105172045B CN201510575233.9A CN201510575233A CN105172045B CN 105172045 B CN105172045 B CN 105172045B CN 201510575233 A CN201510575233 A CN 201510575233A CN 105172045 B CN105172045 B CN 105172045B
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CN
China
Prior art keywords
ejector retainner
retainner plate
mould
plate
central core
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.)
Active
Application number
CN201510575233.9A
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Chinese (zh)
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CN105172045A (en
Inventor
曾庆援
李映强
杨勇
陈远财
葛承
尹鸿林
邓剑明
彭清连
邱盛平
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.)
Union Optech Co Ltd
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Union Optech Co Ltd
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Publication date
Application filed by Union Optech Co Ltd filed Critical Union Optech Co Ltd
Priority to CN201510575233.9A priority Critical patent/CN105172045B/en
Publication of CN105172045A publication Critical patent/CN105172045A/en
Application granted granted Critical
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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
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/2602Mould construction elements
    • 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
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/4005Ejector constructions; Ejector operating mechanisms
    • 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
    • B29C2045/363Moulds having means for locating or centering cores using a movable core or core part

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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 relates to a kind of mould structure,Including mould bases,Cavity is provided with the mould bases,The opening communicated with the cavity is provided with the mould bases,The first ejector retainner plate and the second ejector retainner plate that can be movable is provided with the cavity,Central core is provided with second ejector retainner plate,The central core extends to the mould bases upper surface through first ejector retainner plate and the opening,The thimble for being used for ejecting central core top molded product is provided with first ejector retainner plate,The stop screw for being used for adjusting first ejector retainner plate and the second thimble Board position is provided between first ejector retainner plate and the second ejector retainner plate,Lower die is provided with the outside of the central core upper end,Upper cores are provided with above the lower die,The present invention allows to carry out clean wiping to core portion directly on injection machine by mould structure improvement,Ensure that exhaust is unimpeded,Reduce lower mould cleaning maintenance number,Improve production efficiency,Reduce cost,Injecting products quality is substantially improved.

Description

A kind of mould structure
【Technical field】
The present invention relates to a kind of mould structure.
【Background technology】
Mould, in industrial production being molded, being blow molded, extruding, die casting or obtain the methods of forging forming, smelting, punching press The various moulds and instrument of required product, in brief, mould is the instrument for formed article, and this instrument is by various parts Form, different moulds is made up of different parts, and it mainly realizes article by the change of institute's moulding material physical state The processing of profile.
Sophisticated product in order to ensure on the stability mould of product size will emphasis consider the exhausting problem of mould, for solution It is to do mold insert into sub-ization to be certainly vented bad method, and traditional mold insert way is all fixed, and this method can only correspond to small quantities of Amount production, because that can produce methane gas in plastic cement process of injection molding when need to such as produce in enormous quantities, this gas can clogging mold insert Between exhaust gap, cause product bad, because core rod mold insert is fixed, directly on injection machine can not possibly to it carry out Cleaning, now can only just descend mould and all take apart to carry out cleaning maintenance, install after mould that upper machine is produced again again, so repeatedly Operation will substantially reduce production efficiency.
As shown in figure 5, the mould structure of non-movable core rod, product A ejects disengaging in the presence of thimble 21 after die sinking Lower die 5, this structure produce after hundreds of thousands of moulds caused methane gas in injection moulding process will block central core 31 with Exhaust clearance among lower die 5, causes product trapped gas bad, now can only just descend machine to take apart after mould is cleaned on again Machine.
Due to above mentioned problem be present, it is necessary to solution is proposed to it, the present invention exactly makes in this context 's.
【The content of the invention】
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that provide a kind of mould knot Structure, allow to carry out clean wiping to core portion directly on injection machine by mould structure improvement, ensure that exhaust is unimpeded, Lower mould cleaning maintenance number is reduced, production efficiency is improved, reduces cost, injecting products quality is substantially improved.
To achieve the above object, present invention employs following technical proposals:
A kind of mould structure, including mould bases, cavity is provided with the mould bases, is provided with and the cavity on the mould bases The opening communicated, the first ejector retainner plate and the second ejector retainner plate of energy activity are provided with the cavity, on second ejector retainner plate Provided with central core, the central core extends to the mould bases upper surface through first ejector retainner plate and the opening, First ejector retainner plate, which is provided with, to be used to eject the thimble of central core top molded product, in first ejector retainner plate and The stop screw for being used for adjusting first ejector retainner plate and the second thimble Board position is provided between second ejector retainner plate, at the center Lower die is provided with the outside of core upper end, upper cores are provided with above the lower die.
Spring is provided between mould bases inwall as described above and second ejector retainner plate.
Alignment pin is provided with mould bases as described above, the alignment pin passes through first ejector retainner plate and the second ejector retainner plate.
First ejector retainner plate and the second ejector retainner plate as described above are stacked, and first ejector retainner plate is located at second thimble Above plate.
First ejector retainner plate as described above is formed by the plate of 2 pieces of stackings by the fastening of the first trip bolt, and the thimble is consolidated Surely it is located on lower floor's plate, second ejector retainner plate is formed by the plate of 2 pieces of stackings by the fastening of the second trip bolt, in described Cardioid core is fixed and is located on lower floor's plate.
The beneficial effects of the invention are as follows:
1st, the present invention allows to carry out clean wiping to core portion directly on injection machine by mould structure improvement, Ensure that exhaust is unimpeded, reduce lower mould cleaning maintenance number, improve production efficiency, reduce cost, injecting products quality is substantially improved.
2nd, the present invention provides a kind of mould structure, and the mould structure realizes central core by different travel settings Activity, after central core cleaning maintenance is complete, the ejection stroke of injection machine is reset, makes its state of resuming production, this Sample so operates the yield that just can largely lift product repeatedly with regard to that can carry out the production of second batch again.
3rd, it is provided with spring between the mould bases inwall and second ejector retainner plate among the present invention, during production, works as mould After die sinking, injection machine top rod is withstood on the first ejector retainner plate, the first ejector retainner plate is travelled forward, effect of second ejector retainner plate in spring Lower guarantee is motionless, and thimble travels forward with the first ejector retainner plate, so as to eject the product A of compression molding in the central core, Injection machine must now be set and only eject distance L, L big I according to actually being set, preferably 5mm, ingenious in design, mould Pressure is accurate.
4th, the present invention described in the first ejector retainner plate and the second ejector retainner plate be stacked, first ejector retainner plate is located at described Above second ejector retainner plate, first ejector retainner plate is formed by the plate of 2 pieces of stackings by the fastening of the first trip bolt, the thimble Fixation is located on lower floor's plate, and second ejector retainner plate is formed by the plate of 2 pieces of stackings by the fastening of the second trip bolt, described Central core is fixed and is located on lower floor's plate, and the setting is easy to be adjusted mould positioning, easy to operation.
【Brief description of the drawings】
Fig. 1 is the matched moulds schematic cross-section of the present invention.
Fig. 2 ejects state schematic cross-section for present invention die sinking, by product.
Fig. 3 ejects state schematic cross-section for the present invention, by product and central core.
Fig. 4 is Fig. 3 decomposing schematic representation.
Fig. 5 is prior art mold structural section schematic diagram.
【Embodiment】
Further detailed description is done to the present invention below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, a kind of mould structure, including mould bases 1, cavity 10 is provided with the mould bases 1, described Mould bases 1 is provided with the opening 11 that is communicated with the cavity 10, be provided with the cavity 10 can or movable first ejector retainner plate 2 and the Two ejector retainner plates 3, are provided with central core 31 on second ejector retainner plate 3, and the central core 31 passes through first ejector retainner plate 2 The upper surface of mould bases 1 is extended to the opening 11, is provided with first ejector retainner plate 2 and is used to eject the central core The thimble 21 of 31 top molded products, it is provided between the ejector retainner plate 3 of the first ejector retainner plate 2 and second and is used to adjust described first The stop screw 4 of the position of 2 and second ejector retainner plate of ejector retainner plate 3, lower die 5 is provided with the outside of the upper end of central core 31, in institute State the lower top of die 5 and be provided with upper cores 6, the present invention is allowed to directly on injection machine to mould core portion by mould structure improvement Divide and carry out clean wiping, ensure that exhaust is unimpeded, mould cleaning maintenance number, improves production efficiency, reduce cost, significantly carry under reducing Injecting products quality is risen, the mould structure realizes the activity of central core, when central core is clear by different travel settings Wash after having maintained, reset the ejection stroke of injection machine, make its state of resuming production, thus can carry out second batch again Production, so operate the yield that just can largely lift product repeatedly.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, in the present embodiment, the inwall of mould bases 1 and second ejector retainner plate 3 it Between be provided with spring 7, during production, after mould molds, injection machine top rod is withstood on the first ejector retainner plate 2, makes the first ejector retainner plate 2 forward Motion, the second ejector retainner plate 3 ensure motionless in the presence of spring 7, and thimble 21 travels forward with the first ejector retainner plate 2, so as to push up Go out the product A of compression molding in the central core 31, must now set injection machine only eject distance L, L big I according to Actually set, preferably 5mm, ingenious in design, molding is accurate.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, in the present embodiment, alignment pin 8, the positioning are provided with the mould bases 1 Pin 8 passes through the ejector retainner plate 3 of the first ejector retainner plate 2 and second, and the alignment pin 8 causes the ejector retainner plate 3 of the first ejector retainner plate 2 and second Along the activity of alignment pin 8, it is easy to the manipulation of stroke, is easy to control the precision of mould.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, in the present embodiment, the ejector retainner plate 3 of the first ejector retainner plate 2 and second stacking is set Put, first ejector retainner plate 2 is located at the top of the second ejector retainner plate 3, and the setting is easy to be adjusted mould positioning, is easy to grasp Make.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, in the present embodiment, first ejector retainner plate 2 is passed through by the plate of 2 pieces of stackings The fastening of first trip bolt 91 is formed, and the thimble 21 is fixed and is located on lower floor's plate, and second ejector retainner plate 3 is by 2 pieces of stackings Plate formed by the fastening of the second trip bolt 92, the central core 31 is fixed and is located on lower floor's plate, and the present invention passes through Mould structure improvement allows to carry out clean wiping to core portion directly on injection machine, ensures that exhaust is unimpeded, under reduction Mould cleaning maintenance number, improves production efficiency, reduces cost, injecting products quality is substantially improved.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, in the present embodiment, after mould produces hundreds of thousands of moulds in injection moulding process Caused methane gas will block central core 31 and the exhaust clearance among lower die 5, cause product trapped gas bad, now The ejection stroke of injection machine only need to be set as to H, the second ejector retainner plate 3 drives in the presence of stop screw 4 must travel forward one Segment distance S, so as to which central core 31 is ejected into the upper surface more than lower die 5, central core 31 carries out cleaning maintenance, cleaning The ejection stroke of injection machine is set as L again after clean, the production of second batch can be thus carried out again, so operate repeatedly The yield of product just can be largely lifted, L is preferably 5mm, and S is preferably 6mm, and H length is equal to L and S length sum, Preferably 11mm, the present invention provide a kind of mould structure, and the mould structure realizes central core by different travel settings Activity, after central core cleaning maintenance is complete, the ejection stroke of injection machine is reset, makes its state of resuming production, this Sample so operates the yield that just can largely lift product repeatedly with regard to that can carry out the production of second batch again.

Claims (3)

  1. A kind of 1. mould structure, it is characterised in that:Including mould bases (1), cavity (10) is provided with the mould bases (1), described Mould bases (1) is provided with the opening (11) communicated with the cavity (10), and the first top of energy activity is provided with the cavity (10) Needle plate (2) and the second ejector retainner plate (3), central core (31), the central core (31) are provided with second ejector retainner plate (3) The mould bases (1) upper surface is extended to through first ejector retainner plate (2) and the opening (11), in first ejector retainner plate (2) be provided with and be used to eject the thimble (21) of the central core (31) top molded product, in first ejector retainner plate (2) and The stop screw for being used for adjusting first ejector retainner plate (2) and the second ejector retainner plate (3) position is provided between second ejector retainner plate (3) (4) lower die (5), is provided with the outside of the central core (31) upper end, upper cores (6) are provided with above the lower die (5), Spring (7), first ejector retainner plate (2) and the second top are provided between the mould bases (1) inwall and second ejector retainner plate (3) Needle plate (3) is stacked, and first ejector retainner plate (2) is located above second ejector retainner plate (3).
  2. 2. mould structure according to claim 1, it is characterised in that:Alignment pin (8), institute are provided with the mould bases (1) State alignment pin (8) and pass through first ejector retainner plate (2) and the second ejector retainner plate (3).
  3. 3. mould structure according to claim 1, it is characterised in that:First ejector retainner plate (2) is by 2 pieces of plates being laminated Formed by the first trip bolt (91) fastening, thimble (21) fixation is located on lower floor's plate, second ejector retainner plate (3) Formed by the plate of 2 pieces of stackings by the second trip bolt (92) fastening, central core (31) fixation is located at lower floor's plate On.
CN201510575233.9A 2015-09-11 2015-09-11 A kind of mould structure Active CN105172045B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510575233.9A CN105172045B (en) 2015-09-11 2015-09-11 A kind of mould structure

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CN105172045A CN105172045A (en) 2015-12-23
CN105172045B true CN105172045B (en) 2018-01-05

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3549743B1 (en) * 2015-03-20 2022-08-24 Husky Injection Molding Systems Ltd. Mechanism for adjusting a shut height of a mold
CN107901320A (en) * 2017-11-22 2018-04-13 中车青岛四方机车车辆股份有限公司 The molding die and lubrication block processing method of a kind of wheel rim solid stick
CN113696430B (en) * 2021-07-16 2023-06-23 珠海凯邦电机制造有限公司 Multipolar rotor mold core structure mold

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Publication number Priority date Publication date Assignee Title
JPH08281708A (en) * 1995-04-11 1996-10-29 Sekisui Chem Co Ltd Injection mold
JPH0938980A (en) * 1995-08-04 1997-02-10 Mitsubishi Materials Corp Mold apparatus
JP2002316347A (en) * 2001-02-13 2002-10-29 Sanraito Kasei Kk Mold assembly and injection molding method
CN204322435U (en) * 2014-12-23 2015-05-13 埃泰克汽车电子(芜湖)有限公司 A kind of buckle injection mold ejecting structure

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