CN105346022A - Plastic mold adopting ejection plate return mechanism for molding - Google Patents
Plastic mold adopting ejection plate return mechanism for molding Download PDFInfo
- Publication number
- CN105346022A CN105346022A CN201510990413.3A CN201510990413A CN105346022A CN 105346022 A CN105346022 A CN 105346022A CN 201510990413 A CN201510990413 A CN 201510990413A CN 105346022 A CN105346022 A CN 105346022A
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- Prior art keywords
- slide block
- top board
- reset
- push rod
- pin
- Prior art date
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Classifications
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- 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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
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- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
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- 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
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- 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 discloses a plastic mold adopting an ejection plate return mechanism for molding, belongs to the field of thermoplastic plastic molds, mainly applies to molds of plastic products provided with thin and long inserts, and particularly to a mold provided with an insert partially participating in molding. The plastic mold is characterized in that the ejection plate return mechanism is divided into a reset push rod series and an ejection plate series, wherein ejection plate return is realized through matching of the reset push rod series and the ejection plate series, a ball jackscrew 33 and an insert mounting inlay piece A25 are in threaded connection and are locked and fixed, and the ball part of the ball jackscrew 33 and an insert 38 are in surface contact and are tightly matched. The plastic mold has the benefits as follows: the ejection plate return mechanism is utilized to realize ejection movement of an ejection block 23 in a mold opening process, so that the plastic mold is conveniently mounted by an operator, an ejection plate 30 returns firstly and a slider A19 and a slider B20 return later in a mold closing process, the stable and safe operation of the mold is guaranteed, the mounting steps are simplified, the molding period is shortened, and the work efficiency and the production efficiency are improved.
Description
Technical field
The invention belongs to thermoplastic plastics shaping mould applications, relate to the mould of plastics utilizing top board return mechanism shaping, be mainly used in the mould of the plastic product being provided with elongated inserts.
Background technology
The feature being provided with the plastic product of elongated inserts is inserts is metal stamping product, be characterized in elongated and there is certain face shaping, need in forming process to be arranged in mold cavity, installation mold insert and inserts auxiliary section will realize sealing material effect so need to closely cooperate, so just increase the difficulty of installing inserts, inserts needs installation accuracy when installing, apply larger power and operating space, mould at present for the plastic product being provided with elongated inserts often adopts detachable mould structure to realize the installation of inserts, this kind of mould structure needs detachable insert inserts installation portion being designed to convenient mounting or dismounting, in order to meet molding cycle, this detachable insert needs the many covers of processing to recycle, shortcoming is that operator's workload is large, die cost height and mould and die accuracy are difficult to ensure.
Summary of the invention
The technical problem to be solved in the present invention is to provide the mould of plastics utilizing top board return mechanism shaping, solves Problems existing in the mould of the plastic product of elongated inserts, makes inserts easy for installation and easy to operate.
Technical scheme of the present invention is: utilize its structure of the shaping mould of plastics of top board return mechanism to comprise: solid plate 1, moving platen 2, square iron 3, face needle plate 4, end needle plate 5, moving clamping plate 6, pressing plate A7, reset push rod 8, guide pin bushing A9, Anti-rotary block A10, guide pin bushing B11, reset ejector sleeve 12, logical stops 13, Anti-rotary block B14, wedge 15, Angle Pin 16, pressing plate B17, fixed die insert 18, slide block A19, slide block B 20, spring A21, moving die insert 22, angled slide block 23, inserts supports mold insert 24, inserts installs mold insert A25, inserts installs mold insert B26, pin 27, knock-pin 28, spring B 29, top board 30, spring spindle 31, support column 32, bulb jackscrew 33, jackscrew 34, spring C35, bulb push rod 36, limited block 37 and inserts 38, top board return mechanism is divided into reset push rod series and top board series two parts, and reset push rod series and top board series, with the use of realizing top board return, are provided with square cavity bottom moving platen 2, reset push rod 8 is provided with hanging platform and head oblique angle, guide pin bushing A9 is provided with hanging platform, locates flat and central stepped, guide pin bushing B11 is provided with hanging platform, locates flat and central through hole, reset ejector sleeve 12 is provided with hanging platform, the conical surface, sidewall groove, screw thread and central through hole, logical stops 13 is provided with hanging platform, cylindrical form interior surface and cylindrical outer surface, and wherein the top of cylindrical form interior surface and cylindrical outer surface and bottom are respectively arranged with oblique angle, wedge 15 is provided with square platform and inclined-plane, fixed die insert 18 is provided with angle boss, slide block A19 is provided with conical surface squared counter bore, angle side's platform, spring counterbore and slanting guide pillar hole, slide block B 20 is provided with conical surface squared counter bore, angle groove, spring counterbore and slanting guide pillar hole, moving die insert 22 is provided with inclined-plane cavity, , on angled slide block 23, the side's of being provided with platform, pin install counterbore, inclined-plane and surrounding inclined-plane, inserts is installed on mold insert A25 and is provided with tapped through hole, knock-pin 28 is provided with groove, pin installs counterbore, spring fitting counterbore and Fang Tai, cave, the side of being provided with, shoulder hole and silk hole on top board 30, support column 32 is provided with step surface, limited block 37 is provided with spherical pit, the mould of plastics annexation utilizing top board return mechanism shaping is: fixed die insert 18 contacts with solid plate 1 to closely cooperate and to be fixed by bolt-locking, the square platform that wedge 15 is arranged contacts with solid plate 1 to closely cooperate and to be fixed by bolt-locking, the inclined-plane that wedge 15 is arranged contacts wedging with slide block A19 with slide block B 20 and coordinates, Angle Pin 16 contacts with solid plate 1 hanging platform joint face and closely cooperates, pressing plate B17 contacts with Angle Pin 16 and spacing, pressing plate B17 contacts with solid plate 1, and pressing plate B17 contacts with Angle Pin 16 and spacing to Angle Pin 16, pressing plate A7 contacts with solid plate 1 and is fixed by bolt-locking, and pressing plate A7 contacts with reset push rod 8 and spacing, guide pin bushing A9 and guide pin bushing B11 and moving platen 2 close contact hanging platforms are connected, guide pin bushing A9 contacts with guide pin bushing B11 face, Anti-rotary block A10 contacts with flat of the location that guide pin bushing A9 is arranged and anti-rotation, Anti-rotary block B14 contacts with flat of the location that guide pin bushing B11 is arranged and anti-rotation, Anti-rotary block A10 and Anti-rotary block B14 contact with moving platen 2 and are fixed by bolt-locking, reset ejector sleeve 12 coordinates with guide pin bushing A9 and guide pin bushing B11 face contact slide, logical stops 13 coordinates with the sidewall groove hanging platform joint face contact slide that reset ejector sleeve 12 is arranged, under matched moulds state, logical stops 13 coordinates with the bottom outlet face contact slide of the central stepped that guide pin bushing A9 is arranged, described central stepped apical pore aperture is less than bottom outlet aperture, central through hole and reset push rod 8 contact slides that reset ejector sleeve 12 is arranged coordinate, reset ejector sleeve 12 coordinates with the apical pore face contact slide of the central stepped that guide pin bushing A9 is arranged, the hanging platform that reset ejector sleeve 12 is arranged contacts with 30, top board to closely cooperate and to be fixed by bolt-locking, slide block A19 with slide block B 20 is provided with conical surface squared counter bore and contacts wedging with the angle boss face that fixed die insert 18 is arranged and coordinate, angle side's platform that slide block A19 is arranged contacts wedging with the angle groove face that slide block B 20 is arranged and coordinates, slide block A19 contacts with moving platen 2 and moving die insert 22 with slide block B 20, spring A21 and slide block A19 and slide block B 20 matched in clearance, the slanting guide pillar hole matched in clearance that Angle Pin 16 and slide block A19 and slide block B 20 are arranged, moving die insert 22 contacts with moving platen 2 to closely cooperate and to be fixed by bolt-locking, inserts supports mold insert 24, inserts is installed mold insert A25 and inserts and is installed mold insert B26 tri-mold inserts and contact the hanging platform that closely cooperates with angled slide block 23 and to be connected and spacing, bulb jackscrew 33 and inserts are installed mold insert A25 and are threaded and are locked, bulb jackscrew 33 ball head contacts with inserts 38 and closely cooperates, the oblique plane-plane contact of inclined-plane cavity that the surrounding inclined-plane that angled slide block 23 is arranged and moving die insert 22 are arranged also closely cooperates, the square platform that angled slide block 23 is arranged and knock-pin 28 are provided with groove and closely cooperate, pin 27 and angled slide block 23 and the pin that knock-pin 28 is arranged are installed counterbore face and are contacted and closely cooperate and locate, spring B 29 surrounding and knock-pin 28 matched in clearance, spring B 29 end face contacts with knock-pin 28, the top plane-plane contact of spring B 29 bottom surface and spring spindle 31, knock-pin 28 and moving platen 2 matched in clearance, the square platform that knock-pin 28 is arranged contacts with 30, top board and closely cooperates, spring spindle 31 coordinates with top board 30 hanging platform joint gap, angled slide block 23, knock-pin 28 and top board 30 are fixed by bolt-locking, bulb push rod 36 contacts hanging platform and connects and closely cooperate with the shoulder hole face that top board 30 is arranged, spring C35 one end contacts with the hanging platform bottom surface of bulb push rod 36, the other end contacts with jackscrew 34, jackscrew 34 is threaded with top board 30 and is locked, support column 32 and face needle plate 4 and end needle plate 5 matched in clearance, support column 32 end face contacts with moving platen 2, support column 32 bottom surface contacts with end needle plate 6, 30, step surface and the top board of support column 32 contact, limited block 37 contacts with moving platen 2 to closely cooperate and to be fixed by bolt-locking.
Described reset push rod series comprises: pressing plate A7, reset push rod 8, guide pin bushing A9, Anti-rotary block A10, guide pin bushing B11, reset ejector sleeve 12, logical stops 13 and Anti-rotary block B14; Top board series comprises: moving die insert 22, angled slide block 23, inserts support mold insert 24, inserts installs mold insert A25, inserts installs mold insert B26, pin 27, knock-pin 28, spring B 29, top board 30, spring spindle 31, support column 32, bulb jackscrew 33, jackscrew 34, spring C35, bulb push rod 36 and limited block 37.
The slanting guide pillar hole that described slide block A19 and slide block B 20 are arranged is elliptical hole, and when Angle Pin 16 guide runner A19 and slide block B 20, elliptical hole plays delayed-action, and when preventing matched moulds, slide block A19 and slide block B 20 first reset angled slide block 23 of wounding.
The inclined-plane that described angled slide block 23 is arranged can play the effect of guiding, when anti-limited slip block A19 and slide block B 20 matched moulds and angled slide block 23 collide.
Described bulb jackscrew 33 pairs of inserts 38 play position-limiting action, prevent inserts 38 from dropping when top board return mechanism moves.
The mould of plastics motion principle utilizing top board return mechanism shaping is: during die sinking, slide block A19 is separated under Angle Pin 16 with the effect of spring A21 with slide block B 20, under the effect of spring B 29 tension force and face needle plate 4 thrust, angled slide block 23 ejects motion in company with knock-pin 28 and top board 30, when top board 30 stop motion during plane-plane contact at the bottom of top board 30 with the square cavity of moving platen 2, the bulb being simultaneously arranged on the bulb push rod 36 on top board 30 contacts with the spherical pit that the limited block 37 be arranged on moving platen 2 is arranged and spacing, now angled slide block 23 and moving die insert 22 depart from and end face handled easily person higher than moving die insert 22 installs inserts 38, reset push rod 8 moves in company with solid plate 1 and departs from reset ejector sleeve 12 simultaneously, reset ejector sleeve 12 slides in guide pin bushing A9, logical stops 13 slips in the sidewall groove of setting on reset ejector sleeve 12, promote reset ejector sleeve 12 and move during the taper-face contact that oblique angle during matched moulds, reset push rod 8 arranged and reset ejector sleeve 12 are arranged, reset ejector sleeve 12 drives angled slide block 23 to do reseting movement together with knock-pin 28 simultaneously, the stop motion when top board 30 contacts with the step surface of support column 32, now logical stops 13 contacts with the bottom outlet of the shoulder hole of guide pin bushing A9, logical stops 13 slides to the sidewall groove that reset ejector sleeve 12 is arranged, reset push rod 8 imports the central through hole of reset ejector sleeve 12, reset push rod 8 slides in the central through hole of reset ejector sleeve 12, until solid plate 1 and the 2-in-1 mould of moving platen stop completing top board returning movement, in matched moulds motion, Angle Pin 16 enters in the slanting guide pillar hole of setting in slide block A19 and slide block B 20, due to the delayed-action of slanting guide pillar hole, reset after angled slide block 23 first rollback slide block A19 and slide block B 20.
The invention has the beneficial effects as follows: the motion handled easily person that ejects utilizing top board return mechanism to realize angled slide block 23 in die sinking process installs, the first return of top board 30 is realized in matched moulds process, slide block A19 and the rear return of slide block B 20, ensure mould stable and safe in operation, this structure solves Problems existing in the mould of the plastic product of elongated inserts, simplify installation steps, shorten molding cycle, improve operating efficiency and production efficiency.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, illustrate with embodiment.
Fig. 1 is this mold integral schematic diagram one.
Fig. 2 is the dynamic model partial schematic diagram after the die sinking of this mould ejects.
Fig. 3 is this mold integral schematic diagram two.
Fig. 4 is this top mold plate return mechanism Part I reset push rod diagrammatic series of views.
Fig. 5 is this top mold plate return mechanism Part II top board diagrammatic series of views.
In figure: 1 solid plate; 2 moving platens; 3 square iron; 4 needle plates; 5 end needle plates; 6 moving clamping plates; 7 pressing plate A; 8 reset push rods; 9 guide pin bushing A; 10 Anti-rotary block A; 11 guide pin bushing B; 12 reset ejector sleeves; 13 logical stops; 14 Anti-rotary block B; 15 wedges, 16 Angle Pins; 17 pressing plate B; 18 fixed die inserts; 19 slide block A; 20 slide block B; 21 spring A; 22 moving die inserts; 23 angled slide blocks; 24 inserts support mold insert; 25 inserts install mold insert A; 26 inserts install mold insert B; 27 pins; 28 knock-pins; 29 spring B; 30 top boards; 31 spring spindles; 32 support columns; 33 bulb jackscrews; 34 jackscrews; 35 spring C; 26 bulb push rods; 37 limited blocks; 38 inserts.
Detailed description of the invention
The specific embodiment of invention is described in detail below in conjunction with technology word and accompanying drawing.
During assembling mould, the square platform of wedge 15 is arranged in the manufactured die cavity of solid plate 1, wedge 15 is fixed on solid plate 1 through solid plate 1 by bolt, Angle Pin 16 is arranged in the manufactured inclined hole of solid plate 1, in the die cavity that pressing plate B17 installation solid plate 1 processes, with Angle Pin 16 close-fitting, it is spacing that reset push rod 8 is arranged on hanging platform in through hole that solid plate 1 processes, pressing plate A7 is arranged in the die cavity that solid plate 1 processes, with reset push rod 8 close-fitting, fixed die insert 18 is installed in the die cavity that solid plate 1 processes, fixed die insert 18 to be locked (see figure 3) through solid plate 1 by bolt, it is spacing that guide pin bushing A9 is arranged on hanging platform in through hole that moving platen 2 processes, Anti-rotary block A10 is arranged in die cavity that moving platen 2 processes and coordinates with the location on guide pin bushing A9 is flat, bolt is fixed on moving platen 2 through Anti-rotary block A10, it is spacing that guide pin bushing B11 is arranged on hanging platform in through hole that moving platen 2 processes, Anti-rotary block B14 is arranged in die cavity that moving platen 2 processes and coordinates with the location on guide pin bushing B11 is flat, bolt is fixed on moving platen 2 (see Fig. 1 through Anti-rotary block B14, 2), bulb jackscrew 33 is arranged on inserts and installs in screwed hole that mold insert A25 processes (see Fig. 2, 5), inserts supports mold insert 24, inserts is installed mold insert A25 and inserts and is installed mold insert B26 and be arranged in die cavity that angled slide block 23 processes spacing by hanging platform, pin 27 is arranged on the pin that knock-pin 28 processes and installs in counterbore, angled slide block 23 is arranged in the groove that knock-pin 28 processes, simultaneously pin 27 is arranged on the pin that angled slide block 23 processes and installs in counterbore, moving die insert 22 is arranged in the die cavity that moving platen 2 processes, limited block 37 is arranged in the die cavity that moving platen 2 processes, angled slide block 23 and knock-pin 28 are as a whole through the inclined-plane cavity that moving die insert 22 processes, the surrounding inclined-plane of angled slide block 23 and moving die insert 22 close-fitting (see figure 5), bulb push rod 36 is arranged in through hole that top board 30 processes spacing by hanging platform, spring C35 is arranged on and compresses by the spacing (see figure 2) of jackscrew 34 with the bottom surface of bulb push rod 36 in through hole that top board 30 processes, logical stops 13 is arranged on hanging platform in sidewall groove that reset push rod 12 processes and connects, reset push rod 12 is arranged in counterbore that top board 30 processes to closely cooperate and is fixed by bolt-locking, spring spindle 31 is arranged in the through hole that top board 30 processes, spring B 29 is arranged in spring fitting counterbore that knock-pin 28 processes, reset push rod 12 is equipped with dynamic model together with top board 30 with spring spindle 31, reset push rod 12 and logical stops 13 assemble through guide pin bushing B11 and guide pin bushing A9, spring spindle 31 contacts with spring B 29, the process spring B 29 of installing is stressed to be compressed, itself and angled slide block 23 are locked through top board 30 and knock-pin 28 by bolt, spring A21 is arranged in spring counterbore that slide block A19 and slide block B 30 process, slide block A19 and slide block B 30 are arranged in the die cavity that moving platen 2 processes, support column 32 is through face needle plate 4 and end needle plate 5, support column 32 and moving clamping plate 6 are locked through moving clamping plate 6 by bolt, square iron 3 and moving clamping plate 6 are locked through moving clamping plate 6 by bolt, support column 32 assembles in company with moving clamping plate 6 and top board 30, support column 32 end face contacts with moving platen 2, the step surface that support column 32 processes contacts with 30, top board and plays a supporting role to it, moving clamping plate 6 and square iron 3 are locked with moving platen 2 through moving clamping plate 6 and square iron 3 by bolt, mould installs (see Fig. 1, 3).
Concrete forming process is: after forming machine has been injected, during die sinking, wedge 15 is separated with slide block B 20 with slide block A19, angle side's platform on the effect sliding block A19 of spring A21 with Angle Pin 16 is separated with the angle groove in slide block B 20, when slider head departs from angled slide block 23 surperficial completely, slide block A19 and slide block B 20 stop motion, face needle plate 6 applied thrust is to spring spindle 31, spring spindle 31 applied thrust is to spring B 29, spring B 29 applied thrust is to knock-pin 28, knock-pin 28 drives angled slide block 23 to move together in company with top board 30, when top board 30 stop motion during plane-plane contact at the bottom of top board 30 with the square cavity of moving platen 2, the bulb being simultaneously arranged on the bulb push rod 36 on top board 30 contacts with the spherical pit that the limited block 37 be arranged on moving platen 2 is arranged and spacing, now angled slide block 23 and moving die insert 22 depart from and higher than the end face (see figure 2) of moving die insert 22, reset push rod 8 moves in company with solid plate 1 and departs from reset ejector sleeve 12 simultaneously, reset ejector sleeve 12 slides in guide pin bushing A9, logical stops 13 slips in the sidewall groove of setting on reset ejector sleeve 12, product ejects rear operator and inserts 38 is arranged on inserts and is arranged on inserts and installs mold insert A25 and inserts and install between mold insert B26 spacing by bulb jackscrew 33, promote reset ejector sleeve 12 and move during the taper-face contact that oblique angle during matched moulds, reset push rod 8 arranged and reset ejector sleeve 12 are arranged, reset ejector sleeve 12 drives angled slide block 23 to do reseting movement together with knock-pin 28 simultaneously, the stop motion when top board 30 contacts with the step surface of support column 32, now logical stops 13 contacts with the bottom outlet of the shoulder hole of guide pin bushing A9, logical stops 13 slides to the sidewall groove that reset ejector sleeve 12 is arranged, reset push rod 8 imports the central through hole of reset ejector sleeve 12, reset push rod 8 slides in the central through hole of reset ejector sleeve 12, until solid plate 1 and the 2-in-1 mould of moving platen stop completing top board returning movement, in matched moulds motion, Angle Pin 16 enters in the slanting guide pillar hole of setting in slide block A19 and slide block B 20, due to the delayed-action of slanting guide pillar hole, reset after angled slide block 23 first rollback slide block A19 and slide block B 20, when inclined-plane and the slide block A19 of wedge 15 to contact with slide block B 20 and wedging time, angle boss on fixed die insert 18 coordinates with the squared counter bore wedging on slide block A19 and slide block B 20, angle side's platform on slide block A19 coordinates (see figure 3) with the wedging of slide block B 20 angle groove, the one-shot forming cycle completes.
The above is superior embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and distortion, these improve and distortion also should be considered as protection scope of the present invention.
Claims (3)
1. utilize the mould of plastics that top board return mechanism is shaping, its structure comprises: solid plate (1), moving platen (2), square iron (3), face needle plate (4), end needle plate (5), moving clamping plate (6), pressing plate A(7), reset push rod (8), guide pin bushing A(9), Anti-rotary block A(10), guide pin bushing B(11), reset ejector sleeve (12), logical stops (13), Anti-rotary block B(14), wedge (15), Angle Pin (16), pressing plate B(17), fixed die insert (18), slide block A(19), slide block B (20), spring A(21), moving die insert (22), angled slide block (23), inserts supports mold insert (24), inserts installs mold insert A(25), inserts installs mold insert B(26), pin (27), knock-pin (28), spring B (29), top board (30), spring spindle (31), support column (32), bulb jackscrew (33), jackscrew (34), spring C(35), bulb push rod (36), limited block (37) and inserts (38), it is characterized in that: top board return mechanism is divided into reset push rod series and top board series two parts, and reset push rod series and top board series, with the use of realizing top board return, reset push rod (8) are provided with hanging platform and head oblique angle, guide pin bushing A(9) on be provided with hanging platform, locate flat and central stepped, guide pin bushing B(11) on be provided with hanging platform, locate flat and central through hole, reset ejector sleeve (12) is provided with hanging platform, the conical surface, sidewall groove, screw thread and central through hole, logical stops (13) is provided with hanging platform, cylindrical form interior surface and cylindrical outer surface, and wherein the top of cylindrical form interior surface and cylindrical outer surface and bottom are respectively arranged with oblique angle, slide block A(19) on be provided with conical surface squared counter bore, angle side's platform, spring counterbore and slanting guide pillar hole, slide block B (20) is provided with conical surface squared counter bore, angle groove, spring counterbore and slanting guide pillar hole, (22) are provided with inclined-plane cavity to moving die insert, , on angled slide block (23), the side's of being provided with platform, pin install counterbore, inclined-plane and surrounding inclined-plane, inserts installs mold insert A(25) on be provided with tapped through hole, knock-pin (28) is provided with groove, pin installs counterbore, spring fitting counterbore and Fang Tai, cave, the side of being provided with, shoulder hole and silk hole on top board (30), (32) are provided with step surface to support column, (37) are provided with spherical pit to limited block, its annexation is: Anti-rotary block A(10) with guide pin bushing A(9) upper flat of the location arranged contacts also anti-rotation, Anti-rotary block B(14) with guide pin bushing B(11) upper flat of the location arranged contacts also anti-rotation, reset ejector sleeve (12) and guide pin bushing A(9) and guide pin bushing B(11) face contact slide coordinates, logical stops (13) coordinates with the upper sidewall groove hanging platform joint face contact slide arranged of reset ejector sleeve (12), the upper central through hole arranged of reset ejector sleeve (12) coordinates with reset push rod (8) face contact slide, reset ejector sleeve (12) and guide pin bushing A(9) the apical pore face contact slide of the upper central stepped arranged coordinates, the upper hanging platform arranged of reset ejector sleeve (12) contacts with top board (30) face to closely cooperate and to be fixed by bolt-locking, bulb jackscrew (33) installs mold insert A(25 with inserts) being threaded is locked, bulb jackscrew (33) ball head contacts with inserts (38) face and closely cooperates, the surrounding inclined-plane that angled slide block (23) is arranged and moving die insert (22) are gone up the oblique plane-plane contact of the inclined-plane cavity arranged and closely cooperate, the square platform that angled slide block (23) is upper to be arranged and knock-pin (28) are provided with groove closely cooperate, pin (27) and angled slide block (23) and the upper pin arranged of knock-pin (28) are installed counterbore face and are contacted and closely cooperate and locate, the upper square platform arranged of knock-pin (28) contacts with top board (30) face and closely cooperates, spring spindle (31) coordinates with top board (30) hanging platform joint gap, angled slide block (23), knock-pin (28) and top board (30) are fixed by bolt-locking, the upper shoulder hole face arranged of bulb push rod (36) and top board (30) contacts hanging platform and connects and closely cooperate, the step surface of support column (32) contacts with top board (30) face.
2. the mould of plastics utilizing top board return mechanism shaping according to claim 1, it is characterized in that: described reset push rod series comprises, pressing plate A(7), reset push rod (8), guide pin bushing A(9), Anti-rotary block A(10), guide pin bushing B(11), reset ejector sleeve (12), logical stops (13) and Anti-rotary block B(14); Top board series comprises, and moving die insert (22), angled slide block (23), inserts support mold insert (24), inserts installs mold insert A(25), inserts installs mold insert B(26), pin (27), knock-pin (28), spring B (29), top board (30), spring spindle (31), support column (32), bulb jackscrew (33), jackscrew (34), spring C(35), bulb push rod (36) and limited block (37).
3. the mould of plastics utilizing top board return mechanism shaping according to claim 1, it is characterized in that: described slide block A(19) and the upper slanting guide pillar hole arranged of slide block B (20) be elliptical hole, Angle Pin (16) guide runner A(19) and slide block B (20) time elliptical hole play delayed-action, slide block A(19 when preventing matched moulds) and slide block B (20) first to reset angled slide block (23) of wounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510990413.3A CN105346022B (en) | 2015-12-28 | 2015-12-28 | The plastic mould being molded using top plate return mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510990413.3A CN105346022B (en) | 2015-12-28 | 2015-12-28 | The plastic mould being molded using top plate return mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105346022A true CN105346022A (en) | 2016-02-24 |
| CN105346022B CN105346022B (en) | 2017-11-10 |
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|---|---|---|---|
| CN201510990413.3A Active CN105346022B (en) | 2015-12-28 | 2015-12-28 | The plastic mould being molded using top plate return mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393596A (en) * | 2016-10-08 | 2017-02-15 | 贵州天义电器有限责任公司 | Plastic outer cover forming mold |
| CN105914558B (en) * | 2016-06-23 | 2018-05-04 | 东莞市银钢机械设备有限公司 | The sub- molding die of six square ends |
| CN114043666A (en) * | 2021-10-19 | 2022-02-15 | 歌尔股份有限公司 | Injection molding method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2645815A (en) * | 1951-11-23 | 1953-07-21 | Ivar T Quarnstrom | Ejector pin assembly for mold bases |
| CN2848542Y (en) * | 2005-11-18 | 2006-12-20 | 富港电子（东莞）有限公司 | Preresetting device of knockout plate and mould having said device |
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| CN2848542Y (en) * | 2005-11-18 | 2006-12-20 | 富港电子（东莞）有限公司 | Preresetting device of knockout plate and mould having said device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105914558B (en) * | 2016-06-23 | 2018-05-04 | 东莞市银钢机械设备有限公司 | The sub- molding die of six square ends |
| CN106393596A (en) * | 2016-10-08 | 2017-02-15 | 贵州天义电器有限责任公司 | Plastic outer cover forming mold |
| CN114043666A (en) * | 2021-10-19 | 2022-02-15 | 歌尔股份有限公司 | Injection molding method |
| CN114043666B (en) * | 2021-10-19 | 2022-08-16 | 歌尔股份有限公司 | Injection molding method |
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