CN105346012A - Thin-wall injection molding mold with continuously-variable cavity size - Google Patents
Thin-wall injection molding mold with continuously-variable cavity size Download PDFInfo
- Publication number
- CN105346012A CN105346012A CN201510777498.7A CN201510777498A CN105346012A CN 105346012 A CN105346012 A CN 105346012A CN 201510777498 A CN201510777498 A CN 201510777498A CN 105346012 A CN105346012 A CN 105346012A
- Authority
- CN
- China
- Prior art keywords
- cavity
- slide block
- die
- slide plate
- injection molding
- 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
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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
- B29C45/32—Moulds having several axially spaced mould cavities, i.e. for making several separated 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
- B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
- B29C45/376—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings adjustable
-
- 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
- B29C45/401—Ejector pin constructions or mountings
-
- 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
- B29C45/32—Moulds having several axially spaced mould cavities, i.e. for making several separated articles
- B29C2045/324—Linked ejection means
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a thin-wall injection molding mold with the continuously-variable cavity size and belongs to the field of design and manufacturing of injection molding molds. The thin-wall injection molding mold comprises a fixed mold plate, a movable mold plate, a movable mold insert, cavity sliding plates, T-shaped sliding blocks, a guiding chute and feeding screws. The T-shaped sliding blocks are arranged on the two sides of the movable mold insert respectively and slide along the guiding chute, and then the cavity sliding plates connected with the T-shaped sliding blocks are driven to move; and the continuously-variable cavity length is achieved, and feeding of the T-shaped sliding blocks is controlled through the feeding screws. A plastic part is pushed out through push rods, and the number of the push rods actually pushed out of the plastic part continuously changes along with motion of the cavity sliding plates. Multiple sets of rectangular through holes are preformed in the cavity sliding plates, the push rods not pushed out of the plastic part are normally pushed out, and therefore the push rods are prevented from interfering with the cavity sliding plates. When the mold is used, the cavity size can be online and continuously adjusted, and a series of products in different sizes can be produced through the same mold. The defects that in a traditional manner, operation of disassembling a mold and replacing a movable mold insert is complex, and cost is high are avoided.
Description
Technical field
The invention belongs to Design and Manufacture of Plastic Injection Mould field, relate to a kind of thin-wall injection molding die of cavity dimension continuous variable.
Background technology
Thin Wall Plastic Parts is saved material with it, reduce volume, the advantage such as to be reduced costs, and electronic apparatus, household electrical appliances, automobile, space flight and war products have a wide range of applications.Injection mo(u)lding has become the technological means of the most applicable Thin Wall Plastic Parts production in enormous quantities with its low cost, high efficiency feature, and the producing in serial form of product proposes new requirement to mould design and manufacture technology.
For the typical Thin Wall Plastic Parts such as micro-fluidic chip and light guide plate, for meeting market demand, design is needed to produce the series of products of different specification size, just need corresponding serial die to deal with, and only because cavity dimension slightly difference again will make a secondary new mould and obviously lose more than gain.Can realize the change of cavity dimension by changing cavity block, but each cavity block of changing needs dismounting mould in the past, complicated operation, time-consuming.In addition, the adjustment of this method to cavity dimension is discontinuous, and the size point regulated is more, then the cavity block needed is more, makes the corresponding increase of die cost.Therefore, dismantle in the urgent need to a kind of needs the thin-walled plastic injection mold that die change insert just can realize cavity dimension continuous variable.
Summary of the invention
The invention provides a kind of thin-wall injection molding die of cavity dimension continuous variable, be mainly used in the series of products of shaping Thin Wall Plastic Parts different size of the same race.Use this mould on-line continuous can regulate cavity dimension, use same mould can produce the product of a series of different size.
Technical scheme of the present invention is as follows:
A thin-wall injection molding die for cavity dimension continuous variable, comprises solid plate, moving platen, moving die insert, die cavity slide plate, T-shaped slide block, guide runner and feeding screws, and moving die insert, die cavity slide plate and solid plate surround variable impression;
One end of die cavity slide plate is fixed on T-shaped slide block by soket head cap screw, and other end two sides coordinate with the groove sidewall spacers of moving die insert, and gap is less than the overflow edge value of polymeric material; Respectively there is a T-shaped slide block moving die insert both sides, and T-shaped slide block slides along guide runner with matching, drive the die cavity slide plate be connected with T-shaped slide block to move, realize the continuous variable of variable impression length; T-shaped slide block is provided with screwed hole, utilizes feeding screws to control the feeding of T-shaped slide block; After T-shaped slide block drives die cavity slide plate to arrive assigned address, by lock-screw, T-shaped slide block and moving die insert are fixed, ensure that die cavity slide plate maintains static under injection pressure effect; Plastic adopts push rod to release, and along with the movement of die cavity slide plate, push rod number is determined according to plastic part size; In die cavity slide plate upper push-rod release location, preset offering organizes rectangular through-hole more, the push rod having neither part nor lot in plastic release is normally released, prevents itself and die cavity slide plate from interfering.
Effect of the present invention and benefit are: the thin-wall injection molding die structure of designed cavity dimension continuous variable is simple, reliable, highly versatile, are applicable to forming thin-walled array of sizes plastic.Use T-shaped slide block to drive die cavity slide plate to move the mode realizing variable impression size continuous variable, avoid complex operation, high in cost of production deficiency that traditional approach needs to disassemble die change moving die insert.In die cavity slide plate upper push-rod release location, preset offering organizes rectangular through-hole more, and the push rod being convenient to have neither part nor lot in plastic release is normally released, and effectively prevents itself and die cavity slide plate from interfering, and can be implemented in line and regulates.The present invention realizes mold cavity continuous variable to provide a kind of simple and reliable new departure, and applying this mould can improve the quality of products effectively, reduces production cost, enhances productivity.
Accompanying drawing explanation
Fig. 1 is the thin-wall injection molding die scheme of erection of cavity dimension continuous variable.
Fig. 2 is cavity dimension adjustment portion top view partial enlarged drawing.
Fig. 3 is cavity dimension adjustment portion front view partial enlarged drawing.
In figure: 1 solid plate; 2 moving die inserts; 3 push rods; 4 moving platens; 5T type slide block; 6 feeding screws; 7 die cavity slide plates; 8 soket head cap screws; 9 lock-screws; 10 guide runners.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Fig. 1 to Fig. 3 is a concrete case study on implementation of patent of the present invention.
As shown in Figure 1, mould variable impression is surrounded by solid plate 1, moving die insert 2 and die cavity slide plate 7, and variable impression width is 60mm, and the degree of depth is 1mm, and variable impression length can regulate.As shown in Figure 2 and Figure 3, one end of die cavity slide plate 7 is fixed on T-shaped slide block 5 by soket head cap screw 8, and other end two sides coordinate with the sidewall spacers of moving die insert 2 groove, and gap is less than the overflow edge value of polymeric material.Respectively there is a T-shaped slide block 5 moving die insert 2 both sides, and it drives a die cavity slide plate 7 to move along guide runner 10 respectively, thus realizes the continuous variable in variable impression dimensions length direction.
The concrete change procedure of variable impression size is as follows: as shown in Figure 2 and Figure 3, and die cavity slide plate 7 is fixed on least limit position, and now variable impression length is minimum of a value 40mm.When needing to change variable impression length dimension, first unclamp lock-screw 9, then swivel feeding screw 6 makes T-shaped slide block 5 move outside variable impression, and then drive the die cavity slide plate 7 be attached thereto to move, variable impression length dimension is strengthened; When T-shaped slide block 5 drives die cavity slide plate 7 to move to assigned address, tighten lock-screw 9, the position of fixing T-shaped slide block 5 and die cavity slide plate 7, prevents from, at injection pressure effect lower impressions slide plate 7, transverse shifting occurs.The precession amount of feeding screws 6 is equal with the amount of movement of die cavity slide plate 7, and the maximum amount of movement of die cavity slide plate 7 of both sides is 40mm, and when both move to greatest limit, variable impression size reaches maximum 120mm.
Plastic adopts push rod to release.As shown in Figure 2, the quantity of the push rod 3 of actual participation plastic release changes along with the change of die cavity slide plate 7 position.As shown in Figure 2, on removable die cavity slide plate 7, preset offering organizes rectangular through-hole more, and position and the size of many group rectangular through-hole calculate according to the diameter of push rod 3 and distribution.Many groups rectangular through-hole effectively prevents from having neither part nor lot in the push rod 3 of plastic release and the interference of removable die cavity slide plate 7.
Claims (2)
1. the thin-wall injection molding die of a cavity dimension continuous variable, it is characterized in that, the thin-wall injection molding die of described cavity dimension continuous variable comprises solid plate, moving platen, moving die insert, die cavity slide plate, T-shaped slide block, guide runner and feeding screws, and moving die insert, die cavity slide plate and solid plate surround variable impression;
One end of die cavity slide plate is fixed on T-shaped slide block by soket head cap screw, and other end two sides coordinate with the groove sidewall spacers of moving die insert, and gap is less than the overflow edge value of polymeric material; Respectively there is a T-shaped slide block moving die insert both sides, and T-shaped slide block slides along guide runner with matching, drive the die cavity slide plate be connected with T-shaped slide block to move, realize the continuous variable of variable impression length; T-shaped slide block is provided with screwed hole, utilizes feeding screws to control the feeding of T-shaped slide block; After T-shaped slide block drives die cavity slide plate to arrive assigned address, by lock-screw, T-shaped slide block and moving die insert are fixed, ensure that die cavity slide plate maintains static under injection pressure effect; Plastic adopts push rod to release, and along with the movement of die cavity slide plate, push rod number is determined according to plastic part size.
2. the thin-wall injection molding die of cavity dimension continuous variable according to claim 1, is characterized in that, in die cavity slide plate upper push-rod release location, preset offering organizes rectangular through-hole more, and the push rod having neither part nor lot in plastic release is normally released.
Priority Applications (1)
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CN201510777498.7A CN105346012A (en) | 2015-11-13 | 2015-11-13 | Thin-wall injection molding mold with continuously-variable cavity size |
Applications Claiming Priority (1)
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CN201510777498.7A CN105346012A (en) | 2015-11-13 | 2015-11-13 | Thin-wall injection molding mold with continuously-variable cavity size |
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CN105346012A true CN105346012A (en) | 2016-02-24 |
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CN201510777498.7A Pending CN105346012A (en) | 2015-11-13 | 2015-11-13 | Thin-wall injection molding mold with continuously-variable cavity size |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107486973A (en) * | 2017-09-06 | 2017-12-19 | 界首市龙辉日用品有限责任公司 | A kind of plastic hanger injection mold |
CN107599326A (en) * | 2017-09-28 | 2018-01-19 | 江苏唯侓机器人科技有限公司 | A kind of die ejector pin of adjustable dimension |
CN107696422A (en) * | 2017-11-06 | 2018-02-16 | 环维电子(上海)有限公司 | A kind of plastic package die and plastic package method |
CN107738409A (en) * | 2017-10-17 | 2018-02-27 | 中国航发北京航空材料研究院 | A kind of precision die of single melt multiple injection |
CN108281095A (en) * | 2018-01-25 | 2018-07-13 | 海宁杰盛新材料有限公司 | A kind of advertising lamp box material making apparatus |
CN110315665A (en) * | 2018-03-30 | 2019-10-11 | 和硕联合科技股份有限公司 | Mold and its application method |
CN112223686A (en) * | 2020-09-19 | 2021-01-15 | 上海莎安精密注塑有限公司 | Injection mold for injection molding that application scope is big |
CN114012992A (en) * | 2021-11-15 | 2022-02-08 | 广东东亚电器有限公司 | A mould and injection molding machine for assembling product integrated into one piece |
CN114734662A (en) * | 2022-03-25 | 2022-07-12 | 中建材光芯科技有限公司 | Method for manufacturing super-large-size polymer optical fiber panel |
CN115026994A (en) * | 2022-05-11 | 2022-09-09 | 泰马鞋业有限公司 | Die device with automatic size adjusting function of multi-code digital die |
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JPH01124226A (en) * | 1987-11-09 | 1989-05-17 | Mitsubishi Electric Corp | Molding die for resin sealing |
CN1579740A (en) * | 2003-07-31 | 2005-02-16 | 北京化工大学 | Ultrahigh molecular weight polyethylene injection moulding method and mould thereof |
CN101195260A (en) * | 2006-12-08 | 2008-06-11 | 鸿富锦精密工业(深圳)有限公司 | Optical element mold |
CN101306572A (en) * | 2007-05-15 | 2008-11-19 | 株式会社名机制作所 | Forming die and forming method of light guide plate |
CN201664973U (en) * | 2010-03-24 | 2010-12-08 | 东莞市凯昶德电子科技有限公司 | Insert-type plastic mould capable of continuously adjusting dimensions of die cavity in real time |
CN203679180U (en) * | 2014-02-19 | 2014-07-02 | 重庆江增机械有限公司 | Adjustable pressing mold of wax mold of annular casting pouring system |
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2015
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Patent Citations (6)
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JPH01124226A (en) * | 1987-11-09 | 1989-05-17 | Mitsubishi Electric Corp | Molding die for resin sealing |
CN1579740A (en) * | 2003-07-31 | 2005-02-16 | 北京化工大学 | Ultrahigh molecular weight polyethylene injection moulding method and mould thereof |
CN101195260A (en) * | 2006-12-08 | 2008-06-11 | 鸿富锦精密工业(深圳)有限公司 | Optical element mold |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107486973A (en) * | 2017-09-06 | 2017-12-19 | 界首市龙辉日用品有限责任公司 | A kind of plastic hanger injection mold |
CN107599326A (en) * | 2017-09-28 | 2018-01-19 | 江苏唯侓机器人科技有限公司 | A kind of die ejector pin of adjustable dimension |
CN107738409B (en) * | 2017-10-17 | 2019-10-18 | 中国航发北京航空材料研究院 | A kind of precision die of single melt multiple injection |
CN107738409A (en) * | 2017-10-17 | 2018-02-27 | 中国航发北京航空材料研究院 | A kind of precision die of single melt multiple injection |
CN107696422A (en) * | 2017-11-06 | 2018-02-16 | 环维电子(上海)有限公司 | A kind of plastic package die and plastic package method |
CN107696422B (en) * | 2017-11-06 | 2023-10-13 | 环维电子(上海)有限公司 | Plastic packaging mold and plastic packaging method |
CN108281095A (en) * | 2018-01-25 | 2018-07-13 | 海宁杰盛新材料有限公司 | A kind of advertising lamp box material making apparatus |
CN110315665A (en) * | 2018-03-30 | 2019-10-11 | 和硕联合科技股份有限公司 | Mold and its application method |
CN112223686A (en) * | 2020-09-19 | 2021-01-15 | 上海莎安精密注塑有限公司 | Injection mold for injection molding that application scope is big |
CN114012992A (en) * | 2021-11-15 | 2022-02-08 | 广东东亚电器有限公司 | A mould and injection molding machine for assembling product integrated into one piece |
CN114734662A (en) * | 2022-03-25 | 2022-07-12 | 中建材光芯科技有限公司 | Method for manufacturing super-large-size polymer optical fiber panel |
CN115026994A (en) * | 2022-05-11 | 2022-09-09 | 泰马鞋业有限公司 | Die device with automatic size adjusting function of multi-code digital die |
CN115026994B (en) * | 2022-05-11 | 2023-12-22 | 泰马鞋业有限公司 | Die device with automatic multi-code number die size adjusting function |
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Application publication date: 20160224 |
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