CN201998387U - Progressive die with rotating core-pulling mechanism - Google Patents

Progressive die with rotating core-pulling mechanism Download PDF

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Publication number
CN201998387U
CN201998387U CN2011200205395U CN201120020539U CN201998387U CN 201998387 U CN201998387 U CN 201998387U CN 2011200205395 U CN2011200205395 U CN 2011200205395U CN 201120020539 U CN201120020539 U CN 201120020539U CN 201998387 U CN201998387 U CN 201998387U
Authority
CN
China
Prior art keywords
plate
backing plate
base plate
thimble
panel
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.)
Expired - Fee Related
Application number
CN2011200205395U
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Chinese (zh)
Inventor
胡更生
项秀阳
谭治平
李阳
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.)
Hangzhou Dianzi University
Hangzhou Electronic Science and Technology University
Original Assignee
Hangzhou Electronic Science and Technology University
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 Hangzhou Electronic Science and Technology University filed Critical Hangzhou Electronic Science and Technology University
Priority to CN2011200205395U priority Critical patent/CN201998387U/en
Application granted granted Critical
Publication of CN201998387U publication Critical patent/CN201998387U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a progressive die with a rotating core-pulling mechanism. A plastic workpiece with internal threads is difficult to strip by a die. In the progressive die, three backing plates are vertically overlapped; return pins are arranged on the backing plates; springs are arranged on the return pins; gear shafts are arranged in the backing plates and a base plate; the heads of the gear shafts are connected together with the bottom of a threaded core; the gear shafts are connected by chains; the gear shafts and chain wheels are arranged on a main shaft of an oil pressure motor; duplicate gears are arranged on the gear shafts; stop pins are arranged on the base plate; the base plate, die legs and a rear template are fastened together by screws; the bottom of the threaded core is connected together with the gear shafts; a stud is arranged below the thimble base plate; a thimble base plate screw is arranged on the thimble base plate; a limited post is arranged on a thimble panel; a thimble is arranged on the thimble panel; a positioning ring and a sprue bush are arranged on the panel; and the positioning ring is fixed on the panel by positioning ring screws. According to the progressive die, the automatic industrial production can be realized and the production time is saved.

Description

A kind of progressive die with rotation core-pulling mechanism
Technical field
The utility model belongs to mechanical manufacturing field, relates to a kind of progressive die, is specifically related to a kind of progressive die with rotation core-pulling mechanism.
Background technology
At present, for the plastic part that tooth form or internal thread are arranged, in mould, exist the demoulding very difficult, if this plastic part is given ejection device by force, plastic part is broken by force, become waste product, the mould that has is processed into core by the form of mold insert by mold insert, form the plastic part of tooth form or internal thread, by ejecting plastic part, plastic part is ejected together with one of mold insert, and method is by hand rotated the mold insert of back-outing, mold insert and plastic part are separated, take out plastic part, when injection moulding next time, install the core mold insert again again, beginning injection moulding for the second time, the method of this semi-automation to a certain extent, can cause the loss of business economic.
Summary of the invention
The purpose of this utility model is exactly at the deficiencies in the prior art, and a kind of progressive die with rotation core-pulling mechanism is provided.
One-level backing plate of the present utility model, secondary backing plate and three grades of backing plates are vertically stacking, three grades of backing plates are arranged on the bottom, the one-level backing plate is arranged on topmost, the secondary backing plate is arranged between one-level backing plate and the three grades of backing plates, be provided with spring in the one-level backing plate, placing base plate on the one-level backing plate, the one-level backing plate, the secondary backing plate, all be provided with rod hole, top in the middle of three grades of backing plates and the base plate, rod hole, top can allow the top rod on the injection machine pass through, and allows rod top, top go up Ejector Retainer Plate, and release link is arranged on three grades of backing plates, pass secondary backing plate and one-level backing plate, arrive base plate, release link has also been passed spring simultaneously, and spring has been arranged on the release link.
Gear shaft is arranged in one-level backing plate, secondary backing plate, three grades of backing plates and the base plate, the square hole of the square of gear shaft head and thread core bottom links together, the purpose of She Zhiing is like this, square by the gear shaft head in the time of the gear shaft rotation drives the thread core rotation, gear shaft links together with hydraulic motor again, gear shaft connects by chain, gear shaft is connected by chain with the main shaft of hydraulic motor, gear shaft is provided with sprocket wheel, adorn duplicate sprocket on the gear shaft, sprocket wheel is contained on the main shaft of hydraulic motor simultaneously.
Base plate is provided with the rubbish nail, and the purpose that the rubbish nail is set is, thimble panel and Ejector Retainer Plate is resetted accurately put in place, is clipped between Ejector Retainer Plate and the base plate as dust simultaneously, also is unlikely to influence resetting of progressive die thimble.Hydraulic motor is connected with the one-level backing plate with screw by fixed head, and screw tightens together base plate, mould pin and rear pattern plate.The thread core bottom links together with gear shaft, and the thread core head is processed into tooth form, by rear pattern plate, arrives front template, comes the female plastic part of moulding as core.Ejector Retainer Plate is arranged with double-screw bolt, and the purpose that double-screw bolt is set is, when the top rod can not arrive Ejector Retainer Plate by rod hole, top, that is to say that top rod length is not enough, can not head on Ejector Retainer Plate, and double-screw bolt can play the effect that Ejector Retainer Plate is gone up on auxiliary top rod top.Ejector Retainer Plate is provided with the Ejector Retainer Plate screw, and Ejector Retainer Plate key screw Ejector Retainer Plate and thimble panel fasten.The thimble panel is provided with limited post, also is provided with thimble on the thimble panel, and the head of thimble is arranged to back-off and is arranged on the runner place.The purpose that thimble is provided with like this is, the sizing material in the runner is stayed in the rear pattern plate, and it is ejected outside the mould.
Be provided with runner in the front template, front template is provided with the front mould screw, and front mould key screw front template and panel fasten, and panel is provided with locating ring and sprue bush, and the effect that locating ring is set is to allow sprue bush center and the quick contraposition in injection machine injection nozzle center.Locating ring key screw locating ring is fixed on the panel.
The beneficial effects of the utility model: solved the technical barrier that plastic part has tooth form or internal thread, can realize automatic industrial production, saved the production time, improved economic benefit, and compact conformation, modern design, long service life has popularizing action.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, a kind of progressive die with rotation core-pulling mechanism, comprise panel 1, front template 2, rear pattern plate 3, mould pin 4-1,4-2, base plate 5, one-level backing plate 6, secondary backing plate 7, three grades of backing plates 8, locating ring 9, locating ring screw 10-1,10-2, sprue bush 11, front mould screw 12-1,12-2, thimble 13-1,13-2,13-3, motor fixed plate 14, screw 15-1,15-2, limited post 16, thimble panel 17, Ejector Retainer Plate 18, Ejector Retainer Plate screw 19, rubbish nail 20-1,20-2, double-screw bolt 21, thread core 22-1,22-2, gear shaft 23-1,23-2, release link 24, spring 25, hydraulic motor 26, sprocket wheel 27, chain 28, sprocket wheel 31.
One-level backing plate 6 of the present utility model, secondary backing plate 7 and three grades of backing plates 8 are vertically stacking, three grades of backing plates 8 are arranged on the bottom, one-level backing plate 6 is arranged on topmost, secondary backing plate 7 is arranged between one-level backing plate 6 and the three grades of backing plates 8, the one-level backing plate is provided with spring 25 for 6 li, placing base plate 5 on the one-level backing plate 6, one-level backing plate 6, secondary backing plate 7, all be provided with rod holes, top 30 in the middle of three grades of backing plates 8 and the base plate 5, rod hole, top 30 can allow the top rod on the injection machine pass through, allow rod top, top go up Ejector Retainer Plate 18, release link 24 is arranged on three grades of backing plates 8, pass secondary backing plate 7 and one-level backing plate 6, arrive base plate 5, release link 24 has also been passed spring 25 simultaneously, and spring 25 has been arranged on the release link 24.
Gear shaft 23-1,23-2 is arranged on one-level backing plate 6, secondary backing plate 7,5 li of three grades of backing plates 8 and base plates, gear shaft 23-1, the square of 23-2 head and thread core 22-1, the square hole of 22-2 bottom links together, the purpose of She Zhiing is like this, gear shaft 23-1, pass through gear shaft 23-1 in the time of the 23-2 rotation, the square of 23-2 head drives thread core 22-1, the 22-2 rotation, gear shaft 23-1,23-2 links together with hydraulic motor 26 again, gear shaft 23-1,23-2 connects by chain 28, gear shaft 23-2 is connected by chain 33 with the main shaft of hydraulic motor 26, gear shaft 23-1 is provided with sprocket wheel 27, gear shaft 23-2 goes up dress duplicate sprocket 31, and sprocket wheel is contained on the main shaft of hydraulic motor 26 simultaneously.
Base plate 5 is provided with rubbish nail 20-1,20-2, the purpose that rubbish nail 20-1,20-2 are set is, thimble panel 17 and Ejector Retainer Plate 18 are resetted accurately put in place, be clipped between Ejector Retainer Plate 18 and the base plate 5 as dust simultaneously, also be unlikely to influence resetting of progressive die thimble.Hydraulic motor 26 is connected with one-level backing plate 6 by fixed head 14 usefulness screws 34, and screw 15-1 tightens together base plate 5, mould pin 4-2 and rear pattern plate 3, and screw 15-2 tightens together base plate 5, mould pin 4-1 and rear pattern plate 3.Thread core 22-1,22-2 bottom links together with gear shaft 23-1,23-2, and thread core 22-1,22-2 head are processed into tooth form, by rear pattern plate 3, arrives front template 2, comes the female plastic part 29-1 of moulding, 29-2 as core.Ejector Retainer Plate 18 is arranged with double-screw bolt 21, the purpose that double-screw bolt 21 is set is, when the top rod can not arrive Ejector Retainer Plate 18 by rod hole, top 30, that is to say that top rod length is not enough, can not head on Ejector Retainer Plate 18, double-screw bolt 21 can play the effect that Ejector Retainer Plate 18 is gone up on auxiliary top rod top.Ejector Retainer Plate 18 is provided with Ejector Retainer Plate screw 19, and Ejector Retainer Plate screw 19 fastens Ejector Retainer Plate 18 and thimble panel 17.Thimble panel 17 is provided with limited post 16, also is provided with thimble 13-1,13-2,13-3 on the thimble panel 17, and the head of thimble 13-1,13-2,13-3 is arranged to back-off and is arranged on runner 28 places.The purpose that thimble 13-1,13-2,13-3 are provided with like this is, the sizing material in the runner 28 is stayed 3 li of rear pattern plates, and it is ejected outside the mould.
Front template is provided with runner 28 for 2 li, front template 2 is provided with front mould screw 12-1,12-2, front mould screw 12-1,12-2 fasten front template 2 and panel 1, panel 1 is provided with locating ring 9 and sprue bush 11, and the effect that locating ring 9 is set is to allow sprue bush 11 centers and the quick contraposition in injection machine injection nozzle center.Locating ring screw 10-1,10-2 are fixed on locating ring 9 on the panel 1.
During injection moulding, the sound of a bird chirping of penetrating of injection machine is aimed at sprue bush 11, molten plastic is injected runner 28, be full of die cavity, after treating the fusion plastic cool, mould begins die sinking, one-level backing plate 6, secondary backing plate 7, three grades of backing plates 8 separate under the effect of spring 25 backward, front template 2 and rear pattern plate 3 somatotypes, open, hydraulic motor 26 rotations simultaneously, hydraulic motor 26 is by chain 33 driven gear axle 23-2 rotation, gear shaft 23-2 drives thread core 22-2 rotation, gear shaft 23-2 is by chain 28 driven gear axle 23-1 rotation, and gear shaft 23-1 drives thread core 22-1 rotation, thread core 22-1,22-2 ejects cooled plastic product while rotating, top rod on the injection machine, by rod hole, top 30, top upper stud 21, double-screw bolt 21 makes thimble 13-1,13-2,13-3 advances, thimble 13-1,13-2,13-3 ejects the plastics in the runner 28, thereby successfully ejects plastic part.

Claims (1)

1. one kind has the progressive die that rotates core-pulling mechanism, it is characterized in that: one-level backing plate, secondary backing plate and three grades of backing plates vertically stack, three grades of backing plates are arranged on the bottom, and the one-level backing plate is arranged on topmost, and the secondary backing plate is arranged between one-level backing plate and the three grades of backing plates; Be provided with spring in the one-level backing plate, placing base plate on the one-level backing plate; Base plate is provided with on the one-level backing plate, all is provided with rod hole, top in the middle of one-level backing plate, secondary backing plate, three grades of backing plates and the base plate, and release link is arranged on three grades of backing plates, passes secondary backing plate and one-level backing plate, arrives base plate, and release link is also passed spring simultaneously; Described spring is arranged on the release link; Gear shaft is arranged in one-level backing plate, secondary backing plate, three grades of backing plates and the base plate, the square hole of the square of gear shaft head and thread core bottom links together, gear shaft links together with hydraulic motor again, gear shaft is connected by chain with the main shaft of hydraulic motor, gear shaft is provided with sprocket wheel, and hydraulic motor is by the rotation of chain wheeling driving gear axle; Base plate is provided with the rubbish nail, hydraulic motor is connected with the one-level backing plate with screw by fixed head, screw is base plate, mould pin and rear pattern plate tighten together, the thread core bottom links together with gear shaft, the thread core head is a tooth form, thread core arrives front template by rear pattern plate, Ejector Retainer Plate is arranged with double-screw bolt, Ejector Retainer Plate is provided with the Ejector Retainer Plate screw, Ejector Retainer Plate key screw Ejector Retainer Plate and thimble panel fasten, the thimble panel is provided with limited post, also is provided with thimble on the thimble panel, and the head of thimble is arranged to back-off and is arranged on the runner place; Be provided with runner in the front template, front template is provided with the front mould screw, and front mould key screw front template and panel fasten, and panel is provided with locating ring and sprue bush, and locating ring key screw locating ring is fixed on the panel.
CN2011200205395U 2011-01-23 2011-01-23 Progressive die with rotating core-pulling mechanism Expired - Fee Related CN201998387U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200205395U CN201998387U (en) 2011-01-23 2011-01-23 Progressive die with rotating core-pulling mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200205395U CN201998387U (en) 2011-01-23 2011-01-23 Progressive die with rotating core-pulling mechanism

Publications (1)

Publication Number Publication Date
CN201998387U true CN201998387U (en) 2011-10-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011200205395U Expired - Fee Related CN201998387U (en) 2011-01-23 2011-01-23 Progressive die with rotating core-pulling mechanism

Country Status (1)

Country Link
CN (1) CN201998387U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102814937A (en) * 2012-09-11 2012-12-12 成都图南电子有限公司 Injection molding device suitable for magnet internal thread injection molding
CN105965796A (en) * 2016-05-31 2016-09-28 永高股份有限公司 Injection mold bevel gear engaging type eight-head inner thread core pulling mechanism
CN110497588A (en) * 2019-01-11 2019-11-26 仲从宝 Retaining structure mold

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102814937A (en) * 2012-09-11 2012-12-12 成都图南电子有限公司 Injection molding device suitable for magnet internal thread injection molding
CN105965796A (en) * 2016-05-31 2016-09-28 永高股份有限公司 Injection mold bevel gear engaging type eight-head inner thread core pulling mechanism
CN110497588A (en) * 2019-01-11 2019-11-26 仲从宝 Retaining structure mold

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111005

Termination date: 20140123