CN107662319A - A kind of cam-type die-sinking device of injection mold - Google Patents

A kind of cam-type die-sinking device of injection mold Download PDF

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Publication number
CN107662319A
CN107662319A CN201710857545.8A CN201710857545A CN107662319A CN 107662319 A CN107662319 A CN 107662319A CN 201710857545 A CN201710857545 A CN 201710857545A CN 107662319 A CN107662319 A CN 107662319A
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CN
China
Prior art keywords
pair
die
cam
guide rod
sinking device
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Granted
Application number
CN201710857545.8A
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Chinese (zh)
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CN107662319B (en
Inventor
杨勇
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.)
Xuzhou Qinghe New Material Co., Ltd.
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Dongguan Lianzhou Intellectual Property Operation and Management Co Ltd
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Priority to CN201710857545.8A priority Critical patent/CN107662319B/en
Publication of CN107662319A publication Critical patent/CN107662319A/en
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Publication of CN107662319B publication Critical patent/CN107662319B/en
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    • 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
    • B29C45/64Mould opening, closing or clamping devices
    • B29C45/66Mould opening, closing or clamping devices mechanical
    • 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
    • B29C45/64Mould opening, closing or clamping devices
    • B29C45/66Mould opening, closing or clamping devices mechanical
    • B29C2045/667Cam drive for mould closing or clamping

Abstract

The invention discloses a kind of cam-type die-sinking device of injection mold, including upper die and lower die and die-sinking device;Die-sinking device includes a split cavity driver element;One split cavity driver element is separately positioned in the front and rear vertical portion of driver slot;The upper side wall of the front and rear vertical portion of driver slot lifts respectively is provided with a pair of lifting guide rods;Upper mould is arranged on the upper end of lifting guide rod;Molding driver element includes a pair of symmetrical and synchronous backward rotation driving cams;The bottom of lifting guide rod is resisted against on the outer surface of driving cam;Positive stop hook is formed on the outer surface of driving cam;Symmetrically the mutually close end face bottom of lifting guide rod forms columned limited post before and after a pair;When lifting guide rod is in bottom, positive stop hook catches on limited post.Upper and lower mould separating rate is related to the outer surface moulding of driving cam during present invention die sinking, and separating rate is slow, is advantageous to the Forming Quality of workpiece.

Description

A kind of cam-type die-sinking device of injection mold
Technical field
The present invention relates to the technical field of injection mold, and in particular to a kind of cam-type die-sinking device of injection mold.
Background technology
Injection mold is a kind of instrument for producing plasthetics;Also plasthetics complete structure and accurate dimension are to confer to Instrument.Injection molding is to produce a kind of processing method used during some complex-shaped parts in batches.Refer specifically to heated thawing Plastics by injection machine high pressure inject die cavity, after cooling and solidifying, obtain formed products.
For general injection mold, often using die sinking manually, the bad control of process dynamics, opening speed mistake are molded manually It is fast or can all have a negative impact slowly to mould excessively, although and machine molds and can effectively solve opening speed control problem, Controlling organization structure is often more complicated, and die sinking cost is also of a relatively high.
The content of the invention
The purpose of the present invention is in view of the shortcomings of the prior art, providing a kind of cam-type of the suitable injection mold of opening speed Die-sinking device.
To reach above-mentioned purpose, the invention provides a kind of cam-type die-sinking device of injection mold, including upper die and lower die And die-sinking device;The inside of lower mould forms the driver slot that cross section is in " Qian " font;Die-sinking device is right before and after including a pair The die sinking driver element of title;One split cavity driver element is separately positioned in the front and rear vertical portion of driver slot;Before driver slot The upper side wall of vertical portion afterwards lifts respectively is provided with a pair of lifting guide rods;Upper mould is arranged on the upper end of lifting guide rod;Open Mould driver element includes a pair of symmetrical and synchronous backward rotation driving cams;The bottom of lifting guide rod is resisted against drive On the outer surface of moving cam;Positive stop hook is formed on the outer surface of driving cam;A pair symmetrical driving cams it is spacing Hook is symmetrical;Symmetrically the mutually close end face bottom of lifting guide rod forms columned limited post before and after a pair;Work as liter When drop guide rod is in bottom, positive stop hook catches on limited post.
As the preferred of above-mentioned technical proposal, guide rod is by the columned limiting section on top and the square driving of bottom Portion forms;Limiting section passes through upper mould from bottom to top;The upper fixing nut being distributed up and down and lower fixing nut are bolted with limiting section; Upper fixing nut and lower fixing nut are located at the upper side and lower side of upper mould respectively;After upper mould is fixedly connected with guide rod;It is lower solid The lower surface for determining nut is concordant with the lower surface of upper mould;The bottom of drive division is shaped to semi-cylindrical;The semi-cylindrical of drive division It is resisted against on the outer surface of driving cam.
As the preferred of above-mentioned technical proposal, die-sinking device includes double end motor, a pair of worm screws, a pair of worm gears, a pair of spiral shells Rasp bar, a pair of lifting centre-driven blocks and a pair of drive gears;Double end motor is arranged in the horizontal part of driver slot and direction Front and rear setting;A pair of worm screws are separately fixed on the output shaft of the both sides of double end motor;A pair of threaded rods are articulated in driving respectively Between the front-rear side walls of the front and rear vertical portion of groove;The bottom of threaded rod is fixed with worm gear;The worm engaging of worm gear and corresponding side; A pair of lifting centre-driven blocks slide up and down respectively to be arranged in the mutually remote side wall in front and rear vertical portion of driver slot and spiral shell It is connected on a pair of threaded rods;Lift and form rack respectively on the left and right end face of centre-driven block;Driver slot it is front and rear vertical The mutually remote side wall in portion is articulated with a pair of symmetrical columned newels respectively;A pair of drive gears are fixed on newel Above and both are coaxial;The non-pivot joint side of newel is fixed with driving cam;A pair of drive gears drive positioned at lifting center respectively The left and right sides of motion block and a pair of drive gears are respectively at the rack engagement on the left and right end face of lifting centre-driven block.
As the preferred of above-mentioned technical proposal, the sidewalls vertical that the front and rear vertical portion of driver slot is mutually remote forms guiding Groove;A pair of lifting centre-driven blocks form the centre pilot block coordinated with guide groove on remote end face.
As the preferred of above-mentioned technical proposal, the remote one end of a pair of worm screws is articulated in the front and rear vertical of driver slot respectively In the mutually remote side wall in portion.
The beneficial effects of the present invention are:The outer surface moulding phase of upper and lower mould separating rate and driving cam during die sinking Close, separating rate is slow, is advantageous to the Forming Quality of workpiece.
Brief description of the drawings
Fig. 1 is the structural representation faced of the present invention;
Fig. 2 is the structural representation of A-A section in Fig. 1 of the invention;
Fig. 3 is the structural representation of B-B section in Fig. 2 of the invention.
In figure, 10, upper mould;11st, guide rod is lifted;111st, limiting section;112nd, drive division;113rd, limited post;114th, it is upper solid Determine nut;115th, lower fixing nut;20th, lower mould;200th, driver slot;201st, guide groove;30th, die-sinking device;31st, double end motor; 32nd, worm screw;33rd, worm gear;34th, threaded rod;35th, centre-driven block is lifted;36th, drive gear;37th, driving cam;371st, it is spacing Hook;372nd, newel.
Embodiment
As shown in FIG. 1 to 3, the cam-type die-sinking device of a kind of injection mold, including upper mould 10, lower mould 20 and die sinking dress Put 30;The inside of lower mould 20 forms the driver slot 200 that cross section is in " Qian " font;Die-sinking device 30 is right before and after including a pair The die sinking driver element of title;One split cavity driver element is separately positioned in the front and rear vertical portion of driver slot 200;Driver slot The upper side wall of 200 front and rear vertical portion lifts respectively is provided with a pair of lifting guide rods 11;Upper mould 10 is arranged on lifting and is oriented to The upper end of bar 11;Molding driver element includes a pair of symmetrical and synchronous backward rotation driving cams 37;Lifting is oriented to The bottom of bar 11 is resisted against on the outer surface of driving cam 37;Positive stop hook 371 is formed on the outer surface of driving cam 37;A pair The positive stop hook 371 of symmetrical driving cam 37 is symmetrical;The mutually close end of guide rod 11 is symmetrically lifted before and after a pair Face bottom forms columned limited post 113;When lifting guide rod 11 is in bottom, positive stop hook 371 catches on limited post 113。
As shown in figure 3, guide rod 11 is by the columned limiting section 111 on top and 112 groups of the square drive division of bottom Into;Limiting section 111 passes through upper mould 10 from bottom to top;The upper fixing nut 114 that is distributed up and down and lower solid is bolted with limiting section 111 Determine nut 115;Upper fixing nut 114 and lower fixing nut 114 are located at the upper side and lower side of upper mould 10 respectively;When upper mould 10 is with leading After being fixedly connected to bar 11;The lower surface of lower fixing nut 115 is concordant with the lower surface of upper mould 10;The bottom of drive division 112 into Type is semi-cylindrical;The semi-cylindrical of drive division 112 is resisted against on the outer surface of driving cam 37.
As shown in FIG. 1 to 3, die-sinking device 30 includes double end motor 31, a pair of worm screws 32, a pair of worm gears 33, a pair of spiral shells Rasp bar 34, a pair of lifting centre-driven blocks 35 and a pair of drive gears 36;Double end motor 31 is arranged on the horizontal part of driver slot 200 Interior and direction is front and rear to be set;On the output shaft for the both sides that a pair of worm screws 32 are separately fixed at double end motor 31;A pair of threaded rods 34 are articulated between the front-rear side walls of front and rear vertical portion of driver slot 200 respectively;The bottom of threaded rod 34 is fixed with worm gear 33; Worm gear 33 engages with the worm screw 32 of corresponding side;A pair of lifting centre-driven blocks 35 slide be arranged on driver slot 200 respectively up and down In the mutually remote side wall in front and rear vertical portion and it is screwed onto on a pair of threaded rods 34;Lift the left and right end face of centre-driven block 35 It is upper to form rack respectively;The mutually remote side wall in the front and rear vertical portion of driver slot 200 be articulated with respectively a pair it is symmetrical Columned newel 372;A pair of drive gears 36 are fixed on newel 372 and both are coaxial;The non-pivot of newel 372 Connect side and be fixed with driving cam 37;A pair of drive gears 36 are located at the left and right sides of lifting centre-driven block 35 and a pair respectively Drive gear 36 is respectively at the rack engagement on the left and right end face of lifting centre-driven block 35.
As shown in Fig. 2 the mutually remote sidewalls vertical in the front and rear vertical portion of driver slot 200 forms guide groove 201;A pair Lifting centre-driven block 35 forms the centre pilot block 351 coordinated with guide groove 201 on remote end face.
As shown in Fig. 2 the front and rear vertical portion that the remote one end of a pair of worm screws 32 is articulated in driver slot 200 respectively is mutually remote Side wall on.
The die sinking operation principle of injection mold:
Matched moulds state starts double end motor 31, passes through worm and wormwheel and drive one as shown in Figure 3, it is necessary to mold when taking workpiece Threaded rod 34 is rotated, such a pair of lifting centre-drivens block 35 is synchronous to be risen, and drives a pair of drive gears 36 synchronous anti-respectively To rotation, i.e. a pair of the synchronous backward of driving cam 37 rotations, so lift on outer surface of the guide rod 11 along driving cam 37 Rise, so drive upper mould 10 to rise and complete die sinking.
Above content is only the better embodiment of the present invention, for one of ordinary skill in the art, according to the present invention Thought, there will be changes, this specification content should not be construed as to this hair in specific embodiments and applications Bright limitation.

Claims (5)

1. a kind of cam-type die-sinking device of injection mold, including upper mould (10), lower mould (20) and die-sinking device (30);Its feature It is:The inside of lower mould (20) forms the driver slot (200) that cross section is in " Qian " font;Die-sinking device (30) includes a pair Front and rear symmetrical die sinking driver element;One split cavity driver element is separately positioned in the front and rear vertical portion of driver slot (200); The upper side wall of the front and rear vertical portion of driver slot (200) lifts respectively is provided with a pair of lifting guide rods (11);Upper mould (10) sets Put in the upper end of lifting guide rod (11);It is convex including a pair of symmetrical and synchronous backward rotation drivings to mold driver element Take turns (37);The bottom of lifting guide rod (11) is resisted against on the outer surface of driving cam (37);The outer surface of driving cam (37) On form positive stop hook (371);The positive stop hook (371) of a pair of symmetrical driving cams (37) is symmetrical;Before and after a pair The mutually close end face bottom of symmetrical lifting guide rod (11) forms columned limited post (113);When lifting guide rod (11) when being in bottom, positive stop hook (371) catches on limited post (113).
A kind of 2. cam-type die-sinking device of injection mold according to claim 1, it is characterised in that:Guide rod (11) by The columned limiting section (111) on top and square drive division (112) composition of bottom;Limiting section (111) is worn from bottom to top Cross mould (10);The upper fixing nut (114) and lower fixing nut (115) being distributed up and down are bolted with limiting section (111);It is upper solid Determine the upper side and lower side that nut (114) and lower fixing nut (114) are located at upper mould (10) respectively;When upper mould (10) and guide rod (11) after being fixedly connected;The lower surface of lower fixing nut (115) is concordant with the lower surface of upper mould (10);The bottom of drive division (112) Portion is shaped to semi-cylindrical;The semi-cylindrical of drive division (112) is resisted against on the outer surface of driving cam (37).
A kind of 3. cam-type die-sinking device of injection mold according to claim 1, it is characterised in that:Die-sinking device (30) Including double end motor (31), a pair of worm screws (32), a pair of worm gears (33), a pair of threaded rods (34), a pair of lifting centre-driven blocks And a pair of drive gears (36) (35);Double end motor (31) is arranged in the horizontal part of driver slot (200) and set before and after direction Put;On the output shaft for the both sides that a pair of worm screws (32) are separately fixed at double end motor (31);A pair of threaded rods (34) are pivotally connected respectively Between the front-rear side walls of the vertical portion before and after driver slot (200);The bottom of threaded rod (34) is fixed with worm gear (33);Worm gear (33) engaged with the worm screw (32) of corresponding side;A pair of lifting centre-driven blocks (35) are slided up and down respectively is arranged on driver slot (200) in the mutually remote side wall in front and rear vertical portion and it is screwed onto on a pair of threaded rods (34);Lift centre-driven block (35) rack is formed respectively on left and right end face;The side wall that the front and rear vertical portion of driver slot (200) is mutually remote is pivotally connected respectively There are a pair of symmetrical columned newels (372);A pair of drive gears (36) are fixed on newel (372) and two Person is coaxial;The non-pivot joint side of newel (372) is fixed with driving cam (37);A pair of drive gears (36) are respectively in lifting The left and right sides of heart drive block (35) and a pair of drive gears (36) are respectively at the left and right end face of lifting centre-driven block (35) On rack engagement.
A kind of 4. cam-type die-sinking device of injection mold according to claim 3, it is characterised in that:Driver slot (200) The mutually remote sidewalls vertical in front and rear vertical portion form guide groove (201);A pair of lifting centre-driven blocks (35) are remote The centre pilot block (351) coordinated with guide groove (201) is formed on end face.
A kind of 5. cam-type die-sinking device of injection mold according to claim 3, it is characterised in that:A pair of worm screws (32) Remote one end is articulated in the mutually remote side wall in front and rear vertical portion of driver slot (200) respectively.
CN201710857545.8A 2017-09-21 2017-09-21 A kind of cam-type die-sinking device of injection mold Active CN107662319B (en)

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CN201710857545.8A CN107662319B (en) 2017-09-21 2017-09-21 A kind of cam-type die-sinking device of injection mold

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Application Number Priority Date Filing Date Title
CN201710857545.8A CN107662319B (en) 2017-09-21 2017-09-21 A kind of cam-type die-sinking device of injection mold

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CN107662319B CN107662319B (en) 2019-11-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110802805A (en) * 2019-11-14 2020-02-18 杭州冰玉科技有限公司 Automatic movable resetting device of injection mold
CN113460736A (en) * 2021-07-19 2021-10-01 安庆市徽富防火材料有限公司 Fireproof material filling device and using method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006062192A (en) * 2004-08-26 2006-03-09 Mitsubishi Heavy Ind Ltd Mold driving device, injection molding machine, and driving device
RU2353517C1 (en) * 2007-08-02 2009-04-27 Барановичский Станкостроительный Завод Закрытого Акционерного Общества "Атлант" (Бсз Зао "Атлант") Hydraulic mechanical half-mould locking device of moulding machine, for example automatic moulding machine
CN206357595U (en) * 2016-12-16 2017-07-28 深圳市博来盛精密模具有限公司 A kind of matched moulds die-sinking device of the precise injection mould device of tightness adjustable

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006062192A (en) * 2004-08-26 2006-03-09 Mitsubishi Heavy Ind Ltd Mold driving device, injection molding machine, and driving device
RU2353517C1 (en) * 2007-08-02 2009-04-27 Барановичский Станкостроительный Завод Закрытого Акционерного Общества "Атлант" (Бсз Зао "Атлант") Hydraulic mechanical half-mould locking device of moulding machine, for example automatic moulding machine
CN206357595U (en) * 2016-12-16 2017-07-28 深圳市博来盛精密模具有限公司 A kind of matched moulds die-sinking device of the precise injection mould device of tightness adjustable

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110802805A (en) * 2019-11-14 2020-02-18 杭州冰玉科技有限公司 Automatic movable resetting device of injection mold
CN110802805B (en) * 2019-11-14 2021-07-23 佳睦拉索(上海)有限公司 Automatic movable resetting device of injection mold
CN113460736A (en) * 2021-07-19 2021-10-01 安庆市徽富防火材料有限公司 Fireproof material filling device and using method thereof

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Effective date of registration: 20191015

Address after: 221400 industrial cluster, Shuangtang Town, Xinyi City, Xuzhou City, Jiangsu Province

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