CN105965785A - Injection mold capable of automatically cutting off material head - Google Patents

Injection mold capable of automatically cutting off material head Download PDF

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Publication number
CN105965785A
CN105965785A CN201610526472.XA CN201610526472A CN105965785A CN 105965785 A CN105965785 A CN 105965785A CN 201610526472 A CN201610526472 A CN 201610526472A CN 105965785 A CN105965785 A CN 105965785A
Authority
CN
China
Prior art keywords
mold
plate
pattern plate
cavity
board
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
CN201610526472.XA
Other languages
Chinese (zh)
Inventor
蔡峻峰
喻峰
喻一峰
蒋珊
姜冬升
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.)
Kenta Electronic Manufacturing Kunshan Co Ltd
Original Assignee
Kenta Electronic Manufacturing Kunshan Co Ltd
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 Kenta Electronic Manufacturing Kunshan Co Ltd filed Critical Kenta Electronic Manufacturing Kunshan Co Ltd
Priority to CN201610526472.XA priority Critical patent/CN105965785A/en
Publication of CN105965785A publication Critical patent/CN105965785A/en
Pending legal-status Critical Current

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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
    • B29C45/38Cutting-off equipment for sprues or ingates

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

Abstract

The invention discloses an injection mold capable of automatically cutting off a material head. The injection mold comprises a front mold body and a rear mold body. The front mold body comprises a face plate and a front mold plate. The rear mold body comprises a bottom plate, two mold feet, a bearing plate and a rear mold plate. A top plate is disposed between the two mold feet. A centre is installed on the top plate. A front mold core is disposed in the front mold plate. A rear mold core is disposed in the rear mold plate. The front mold core and the rear mold core cooperate to form an injection molding cavity. The front mold plate and the rear mold plate are connected through a mechanical opening and closing device. The bearing plate is provided with a cutting edge insert core. The end of the cutting edge insert core extends into the injection molding cavity. A control screw is fixed to the bearing plate. A stepped hole composed of a large diameter hole and a small diameter hole is formed in the rear mold plate. The control screw penetrates into the stepped hole, and the head of the control screw is located in the large diameter hole. By means of the injection mold capable of automatically cutting off the material head, the material head can be cut off through the cutting edge insert core in the mold opening process and does not need to be removed manually in a subsequent procedure, so that time is saved and the production cost is reduced, and moreover, occurrence of various problems can be reduced as well.

Description

A kind of injection mold that can automatically excise stub bar
Technical field
The present invention relates to technical field of mold, particularly to a kind of injection mold that can automatically excise stub bar.
Background technology
In injection production process, molten plastic enters mold cavity by running gate system, and this section of plastics connecting injection machine and die cavity are referred to as stub bar.Product for batch production, general stub bar can link together with product, need to be made a return journey material removal head by post-treatment operation, thus this needs to increase manpower during post-treatment, the removal of stub bar is carried out in order to operation by hand, which increase production cost, in the operation of post-treatment, also can there is the risk of scratching products simultaneously.
Summary of the invention
For solving above-mentioned technical problem, it is an object of the invention to provide a kind of injection mold that can automatically excise stub bar, stub bar can be automatically cut off when die sinking, reduce human cost, decrease the generation of problem in post-treatment operation.
nullFor realizing above-mentioned technical purpose,Reach above-mentioned technique effect,The present invention is achieved through the following technical solutions: a kind of injection mold that can automatically excise stub bar,Including front mould and rear mold,This front mould includes panel and front template,This rear mold includes base plate、Two the mould feet being vertically installed on front side of base plate、It is horizontally placed on the board on two mould feet and the rear pattern plate being positioned on board,It is provided with top board between two mould feet,Thimble is installed on top board,Described front template is provided with front cavity,Rear pattern plate is provided with rear cavity,Front cavity and rear cavity cooperatively form injection die cavity,Described thimble sequentially passes through forward board、Rear pattern plate and rear cavity,Connected by machinery shutter between described front template and rear pattern plate,Described board is provided with the edge of a knife and enters son,This edge of a knife enters son and advances through rear pattern plate and rear cavity,The edge of a knife enters the end of son and stretches in injection die cavity,A control screw it is further fixed on described board,Rear pattern plate is provided with the shoulder hole being made up of large diameter hole and small diameter bore,This control screw penetrates in the shoulder hole of rear pattern plate,The head controlling screw is positioned in large diameter hole,And the height of large diameter hole is more than the height of the head controlling screw.
The invention has the beneficial effects as follows: the rear pattern plate in the present invention is owing to being connected with front template by machinery shutter, thus when first time die sinking, rear pattern plate and front template geo-stationary, board in rear mold is moved rearwards by, the edge of a knife enters son and is moved rearwards by relative to product, thus the edge of a knife of movement enters son and can cut off stub bar, it is achieved stub bar and product separation.Behind the bottom of the large diameter hole that the head controlling screw is resisted against rear pattern plate, under the effect controlling screw, rear pattern plate is moved rearwards by with board and whole rear mold, completes second time die sinking, and thimble can be with ejecting product.The present invention can be during die sinking, utilize the edge of a knife to enter son and complete the cut-out to stub bar, it is not necessary to by artificial removal's stub bar in subsequent handling, save the time of total processing procedure of product, reduce production cost, and the generation of the various problems in post-treatment operation can also be reduced.
Accompanying drawing explanation
Fig. 1 is the present invention structural representation when matched moulds state.
Fig. 2 is the present invention structural representation when first time die sinking.
Fig. 3 is the present invention structural representation when second time die sinking.
Fig. 4 is the present invention structural representation when product is ejected.
Detailed description of the invention
Below in conjunction with the accompanying drawings presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention can be easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clear and definite defining.
nullAs shown in Figures 1 to 4,A kind of injection mold that can automatically excise stub bar,Including front mould and rear mold,This front mould includes panel 1 and front template 2,This rear mold includes base plate 3、Two the mould feet 4 being vertically installed on front side of base plate 3、The board 5 being horizontally placed on two mould feet 4 and the rear pattern plate 6 being positioned on board 5,It is provided with top board 7 between two mould feet 4,Thimble 8 is installed on top board 7,Described front template 2 is provided with front cavity 9,Rear pattern plate is provided with rear cavity 10,Front cavity 9 and rear cavity 10 cooperatively form injection die cavity,Described thimble 8 sequentially passes through forward board 5、Rear pattern plate 6 and rear cavity 10,Connected by machinery shutter 11 between described front template 2 and rear pattern plate 6,Described board 5 is provided with the edge of a knife and enters son 12,This edge of a knife enters son 12 and advances through rear pattern plate 6 and rear cavity 10,The edge of a knife enters the end of son 12 and stretches in injection die cavity,A control screw 13 it is further fixed on described board 5,Rear pattern plate 6 is provided with the shoulder hole 601 being made up of large diameter hole and small diameter bore,This control screw 13 penetrates in the shoulder hole 601 of rear pattern plate 6,The head controlling screw 13 is positioned in large diameter hole,And the height of large diameter hole is more than the height of the head controlling screw 13.
During work, product is molded by the injection die cavity of this injection mold, then, as in figure 2 it is shown, rear mold is moved rearwards by, owing to front template 2 and rear pattern plate 6 are connected by machinery shutter 11, rear pattern plate 6 in rear mold is static relative to front template 2, and the edge of a knife enters son 12 and is moved rearwards by relative to the rear cavity 10 in rear pattern plate 6 and rear pattern plate 6, thus the edge of a knife of movement enters son 12 and cuts off stub bar, realize stub bar 14 to separate with product 15, complete die sinking process for the first time.After control screw 13 fixing on board 5 moves, its end is resisted against the bottom of the large diameter hole of rear pattern plate 6, thus controls screw 13 and drive rear pattern plate 6 to be moved rearwards by with whole rear mold, completes second time die sinking.After die sinking completes for the second time, top board 7 drives thimble 8 to eject, and product 15 and stub bar 14 are ejected rear mold by thimble 8.
The present invention can be during die sinking, utilize the edge of a knife to enter son and complete the cut-out to stub bar, it is not necessary to by artificial removal's stub bar in subsequent handling, save the time of total processing procedure of product, reduce production cost, and the generation of the various problems in post-treatment operation can also be reduced.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention and accompanying drawing content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in the scope of patent protection of the present invention.

Claims (1)

  1. null1. the injection mold that can automatically excise stub bar,It is characterized in that: include front mould and rear mold,This front mould includes panel and front template,This rear mold includes base plate、Two the mould feet being vertically installed on front side of base plate、It is horizontally placed on the board on two mould feet and the rear pattern plate being positioned on board,It is provided with top board between two mould feet,Thimble is installed on top board,Described front template is provided with front cavity,Rear pattern plate is provided with rear cavity,Front cavity and rear cavity cooperatively form injection die cavity,Described thimble sequentially passes through forward board、Rear pattern plate and rear cavity,Connected by machinery shutter between described front template and rear pattern plate,Described board is provided with the edge of a knife and enters son,This edge of a knife enters son and advances through rear pattern plate and rear cavity,The edge of a knife enters the end of son and stretches in injection die cavity,A control screw it is further fixed on described board,Rear pattern plate is provided with the shoulder hole being made up of large diameter hole and small diameter bore,This control screw penetrates in the shoulder hole of rear pattern plate,The head controlling screw is positioned in large diameter hole,And the height of large diameter hole is more than the height of the head controlling screw.
CN201610526472.XA 2016-07-06 2016-07-06 Injection mold capable of automatically cutting off material head Pending CN105965785A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610526472.XA CN105965785A (en) 2016-07-06 2016-07-06 Injection mold capable of automatically cutting off material head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610526472.XA CN105965785A (en) 2016-07-06 2016-07-06 Injection mold capable of automatically cutting off material head

Publications (1)

Publication Number Publication Date
CN105965785A true CN105965785A (en) 2016-09-28

Family

ID=56954650

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610526472.XA Pending CN105965785A (en) 2016-07-06 2016-07-06 Injection mold capable of automatically cutting off material head

Country Status (1)

Country Link
CN (1) CN105965785A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109226395A (en) * 2018-09-30 2019-01-18 东莞市豪顺精密科技有限公司 It is a kind of for cutting off the side trimming device and composite die of tailing

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09323342A (en) * 1996-06-06 1997-12-16 Aisan Ind Co Ltd Injection mold
KR20100004479A (en) * 2008-07-04 2010-01-13 인탑스 주식회사 Molding apparatus for gate auto-cutting
CN201856347U (en) * 2010-11-11 2011-06-08 东莞市蓝光塑胶模具有限公司 Automatic side gate glue breaking structure
CN102873823A (en) * 2012-09-19 2013-01-16 东泰精密模具(苏州)有限公司 Die with rubber head removing device
CN103847075A (en) * 2012-11-29 2014-06-11 汉达精密电子(昆山)有限公司 Structure capable of realizing automatic removing of gate and runner excess material of mould
CN203818484U (en) * 2014-05-27 2014-09-10 泉州华硕实业有限公司 Injection mould for automatically cutting injection pouring gate
CN205238466U (en) * 2015-11-27 2016-05-18 昆山贝松精密电子有限公司 Automatic blank mechanism in injection moulding mould
CN205905319U (en) * 2016-07-06 2017-01-25 健大电业制品(昆山)有限公司 Can amputate injection mold of stub bar automatically

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09323342A (en) * 1996-06-06 1997-12-16 Aisan Ind Co Ltd Injection mold
KR20100004479A (en) * 2008-07-04 2010-01-13 인탑스 주식회사 Molding apparatus for gate auto-cutting
CN201856347U (en) * 2010-11-11 2011-06-08 东莞市蓝光塑胶模具有限公司 Automatic side gate glue breaking structure
CN102873823A (en) * 2012-09-19 2013-01-16 东泰精密模具(苏州)有限公司 Die with rubber head removing device
CN103847075A (en) * 2012-11-29 2014-06-11 汉达精密电子(昆山)有限公司 Structure capable of realizing automatic removing of gate and runner excess material of mould
CN203818484U (en) * 2014-05-27 2014-09-10 泉州华硕实业有限公司 Injection mould for automatically cutting injection pouring gate
CN205238466U (en) * 2015-11-27 2016-05-18 昆山贝松精密电子有限公司 Automatic blank mechanism in injection moulding mould
CN205905319U (en) * 2016-07-06 2017-01-25 健大电业制品(昆山)有限公司 Can amputate injection mold of stub bar automatically

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109226395A (en) * 2018-09-30 2019-01-18 东莞市豪顺精密科技有限公司 It is a kind of for cutting off the side trimming device and composite die of tailing
CN109226395B (en) * 2018-09-30 2023-12-22 东莞市豪顺精密科技有限公司 Side trimming device for cutting off leftover materials and composite die

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Application publication date: 20160928

RJ01 Rejection of invention patent application after publication