CN105196492A - Synchronous revolution demolding mechanism of inner and outer double-threaded-pipe-fitting mold - Google Patents

Synchronous revolution demolding mechanism of inner and outer double-threaded-pipe-fitting mold Download PDF

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Publication number
CN105196492A
CN105196492A CN201510601619.2A CN201510601619A CN105196492A CN 105196492 A CN105196492 A CN 105196492A CN 201510601619 A CN201510601619 A CN 201510601619A CN 105196492 A CN105196492 A CN 105196492A
Authority
CN
China
Prior art keywords
plate
gear
core bar
mould
motor
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
CN201510601619.2A
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Chinese (zh)
Inventor
张欢庆
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.)
TAIZHOU HUANGYAN WEIDA PLASTIC MACHINERY CO Ltd
Original Assignee
TAIZHOU HUANGYAN WEIDA PLASTIC MACHINERY 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 TAIZHOU HUANGYAN WEIDA PLASTIC MACHINERY CO Ltd filed Critical TAIZHOU HUANGYAN WEIDA PLASTIC MACHINERY CO Ltd
Priority to CN201510601619.2A priority Critical patent/CN105196492A/en
Publication of CN105196492A publication Critical patent/CN105196492A/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
    • B29C45/2618Moulds having screw-threaded mould walls
    • B29C45/262Moulds having screw-threaded mould walls provided with unscrewing drive means
    • 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
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • 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
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • B29C45/332Mountings or guides therefor; Drives therefor
    • 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
    • B29C45/40Removing or ejecting moulded articles

Abstract

The invention discloses a synchronous revolution demolding mechanism of an inner and outer double-threaded-pipe-fitting mold. The mechanism comprises an upper compound plate and a lower compound plate, a gear assembling plate and a fixed mold plate are installed below the upper compound plate, a gear transmission mechanism is arranged in the gear assembling plate, a fixed mold insert is installed on the fixed mold plate, mold feet are installed on the lower compound plate, a movable mold plate and a movable mold insert are installed on the mold feet, fixed core rods are installed on the lower compound plate, the fixed core rods pass through the movable mold plate and are matched with the movable mold insert, the gear transmission mechanism is provided with rotary core rods, the rotary core rods pass through the fixed mold plate and are matched with the fixed core rods, the head of each rotary core rod is provided with an inner thread, outer thread sleeves are arranged in the fixed mold plate, an outer thread is arranged in each outer thread sleeve, each rotary core rod is sleeved with the corresponding outer thread sleeve, each outer thread corresponds to the corresponding inner thread, each outer thread sleeve is provided with a transversely-penetrating long slot, each rotary core rod is provided with a synchronous location pin rod, and each synchronous location pin rod is inserted into the corresponding long slot.

Description

Inside and outside two threaded fitting mould synchronous rotary mould emptier
Technical field
The present invention relates to a kind of inside and outside two threaded fitting mould synchronous rotary mould emptier, belong to mould of plastics field.
Background technology
At present, produce screwed pipe fitting mold, if internal thread, must rotating stripping demoulding be adopted, existing structure adopts motor through the screwed fuse rotating stripping demoulding of gear driven mostly, and external screw thread, generally adopt half die, split by externally threaded die cavity, structure is simple, is convenient in demoulding.For the pipe fitting with internal and external threads, more rare in the market, amount is few, therefore when producing this series products, some adopts secondary processing method, namely first produces an internal thread tube piece by mould, then passes through secondary operations, such as lathe, threading, cumbersome.Internal thread mould and external screw thread mould combine by some, disposable processing internal and external threads pipe fitting, but adopt Hough external thread structure, there is a Hough line in the external screw thread of product, affect screw thread smoothness in use, for accurate pipe fitting, there is very serious defect.If external screw thread also adopts rotating stripping demoulding, then there is not Hough line problem, but in actual production, there is certain gap in internal thread and externally threaded pitch, between the two at all cannot synchronous rotary, need two power separately driven rotary just can, when die assembly, must mould volume be increased, increase Mould Machining cost, even need large size plastic jetting-moulding device just can put down this processing mold, considerably increase equipment investment, lose more than gain.
Summary of the invention
The object of the invention is the shortcoming in order to overcome prior art, provide a kind of pin location that adopts to drive, elongated slot free adjustment, realizes inside and outside pair of threaded fitting mould synchronous rotary mould emptier of the internal and external threads synchronous rotary demoulding.
The technical scheme of the inside and outside two threaded fitting mould synchronous rotary mould emptier of the present invention is: comprise compound plate and lower compound plate on mould, gear buck plate is installed under upper compound plate, in gear buck plate, gear drive is set, gear drive connects power, under gear buck plate, solid plate is installed, solid plate is equipped with fixed die insert, lower compound plate installs two pieces of mould pin, upper plate and lower roof plate between two mould pin, upper plate arranges fore-set, two mould pin install moving platen, in moving platen, moving die insert is installed, it is characterized in that described lower compound plate being installed fixing core bar, fixing core bar matches with moving die insert through moving platen, described gear drive is arranged rotation core bar, rotate core bar to match with fixing core bar through solid plate, the head rotating core bar arranges internal thread, in solid plate, external thread sleeve is set, external screw thread is shaped with in external thread sleeve, external thread sleeve is enclosed within and rotates core bar periphery, and external screw thread is corresponding with internal thread, external thread sleeve, rotate the head of core bar, fixed die insert and moving die insert, gap between fixing core bar forms die cavity, the inside and outside two threaded fitting of injection mo(u)lding in die cavity, described external thread sleeve is arranged laterally through elongated slot, rotate on core bar and synchronous positioning pin rod is set, synchronous positioning pin rod inserts in elongated slot.
The invention discloses a kind of inside and outside two threaded fitting mould synchronous rotary mould emptier, during the demoulding, mould die sinking before this, then the screw thread rotation demoulding, rotated through gear drive driven rotary core bar by power, the internal thread of driven rotary core bar head rotates, simultaneously, insert in the elongated slot of external thread sleeve owing to being arranged on the synchronous positioning pin rod rotated on core bar, drive external thread sleeve synchronous rotary, the external screw thread of external thread sleeve inwall is deviate from, in rotation core bar and external thread sleeve synchronous rotary process, the pitch that internal thread and external screw thread produce can slowly become large, need to regulate, and the design of elongated slot, just can address this problem, the slot of elongated slot is greater than synchronous positioning pin rod, after die sinking, external thread sleeve loses locked mode binding force, can fluctuate in the slot of synchronous positioning pin rod and elongated slot, can free adjustment external thread sleeve and externally threaded pitch, ensure external thread sleeve and rotate core bar synchronous rotary, internal thread and external screw thread are deviate from smoothly.This programme structure is both simple, compact again, easy to process, and cost investment is economized, and good product quality, has very superior good effect simultaneously.
Inside and outside two threaded fitting mould synchronous rotary mould emptier of the present invention, described gear drive and power are included in gear buck plate and install transition gear, rotate on core bar and swing pinion is installed, swing pinion is meshed with transition gear, described power is motor, at the side outer wall mounted motor fixed block of gear buck plate, motor is arranged on motor fixed block, in motor fixed block, motor gear is set, motor gear is meshed with transition gear, driven by motor motor gear, motor is through motor gear, transition gear and swing pinion, driven rotary core bar rotates.Install bearing and lower bearing in described gear buck plate, upper bearing (metal) and lower bearing match with rotation core bar, have had upper bearing (metal) and lower bearing, are beneficial to and rotate core bar rotation smoothly.Respectively be provided with cooling water hole in described fixed die insert and moving die insert, had cooling water hole, accelerate cooling, raise the efficiency.
Accompanying drawing explanation
Fig. 1 is synchronous rotary mould emptier structural representation of the present invention;
Fig. 2 is synchronous rotary mould emptier schematic perspective view of the present invention;
Fig. 3 is that synchronous positioning pin rod of the present invention coordinates schematic diagram with elongated slot.
Detailed description of the invention
The present invention relates to a kind of inside and outside two threaded fitting mould synchronous rotary mould emptier, as shown in Fig. 1-Fig. 3, comprise compound plate 1 and lower compound plate 2 on mould, upper compound plate installs gear buck plate 31 time, in gear buck plate, gear drive is set, gear drive connects power, gear buck plate installs solid plate 43 times, solid plate is equipped with fixed die insert 5, lower compound plate 2 installs two pieces of mould pin 6, upper plate 7 and lower roof plate 8 between two mould pin, upper plate is arranged fore-set 9, two mould pin install moving platen 10, moving die insert 11 is installed in moving platen, described lower compound plate 2 is installed fixing core bar 12, fixing core bar 12 matches with moving die insert 11 through moving platen 10, described gear drive is arranged and rotates core bar 13, rotate core bar 13 to match with fixing core bar 12 through solid plate 4, the head rotating core bar 13 arranges internal thread 14, external thread sleeve 15 is set in solid plate, external screw thread 16 is shaped with in external thread sleeve, external thread sleeve 15 is enclosed within and rotates core bar 13 periphery, and external screw thread 16 is corresponding with internal thread 14, external thread sleeve 15, rotate the head of core bar 13, fixed die insert 5 and moving die insert 11, gap between fixing core bar 12 forms die cavity, the inside and outside two threaded fitting 17 of injection mo(u)lding in die cavity, described external thread sleeve 15 is arranged laterally through elongated slot 18, rotate on core bar 13 and synchronous positioning pin rod 19 is set, synchronous positioning pin rod 19 inserts in elongated slot 18.During the demoulding, mould die sinking before this, then the screw thread rotation demoulding, rotated through gear drive driven rotary core bar 13 by power, the internal thread 14 of driven rotary core bar 13 head rotates, simultaneously, insert in the elongated slot 18 of external thread sleeve 15 owing to being arranged on the synchronous positioning pin rod 19 rotated on core bar 13, drive external thread sleeve 15 synchronous rotary, the external screw thread 16 of external thread sleeve 15 inwall is deviate from, in rotation core bar 13 and external thread sleeve 15 synchronous rotary process, the pitch that internal thread and external screw thread produce can slowly become large, need to regulate, and the design of elongated slot 18, just can address this problem, the slot of elongated slot 18 is greater than synchronous positioning pin rod 19, after die sinking, external thread sleeve 15 loses locked mode binding force, can fluctuate in synchronous positioning pin rod 19 with the slot of elongated slot 18, can the pitch of free adjustment external thread sleeve 15 and external screw thread 16, ensure external thread sleeve 15 and rotate core bar 13 synchronous rotary, internal thread and external screw thread are deviate from smoothly.This programme structure is both simple, compact again, easy to process, and cost investment is economized, and good product quality, has very superior good effect simultaneously.Described gear drive and power are included in gear buck plate 3 and install transition gear 31, rotate on core bar 13 and swing pinion 32 is installed, swing pinion 32 is meshed with transition gear 31, described power is motor, at the side outer wall mounted motor fixed block 33 of gear buck plate 3, motor 34 is arranged on motor fixed block 33, motor gear 35 is set in motor fixed block, motor gear 35 is meshed with transition gear 31, motor 34 drive motor gear 35, motor is through motor gear, transition gear and swing pinion, and driven rotary core bar rotates.Install bearing 36 and lower bearing 37 in described gear buck plate 3, upper bearing (metal) 36 and lower bearing 37 match with rotation core bar 13, have had upper bearing (metal) and lower bearing, are beneficial to and rotate core bar rotation smoothly.Respectively be provided with cooling water hole 20 in described fixed die insert 5 and moving die insert 11, had cooling water hole, accelerate cooling, raise the efficiency.

Claims (4)

1. inside and outside two threaded fitting mould synchronous rotary mould emptier, comprise compound plate on mould (1) and lower compound plate (2), gear buck plate (3) is installed under upper compound plate (1), in gear buck plate, gear drive is set, gear drive connects power, solid plate (4) is installed under gear buck plate (3), solid plate is equipped with fixed die insert (5), the upper installation two pieces of mould pin (6) of lower compound plate (2), upper plate (7) and lower roof plate (8) between two mould pin, upper plate is arranged fore-set (9), two mould pin are installed moving platen (10), moving die insert (11) is installed in moving platen, it is characterized in that described lower compound plate (2) is upper and fixing core bar (12) is installed, fixing core bar (12) matches with moving die insert (11) through moving platen (10), described gear drive is arranged and rotates core bar (13), rotate core bar (13) to match with fixing core bar (12) through solid plate (4), the head rotating core bar (13) arranges internal thread (14), external thread sleeve (15) is set in solid plate, external screw thread (16) is shaped with in external thread sleeve, external thread sleeve (15) is enclosed within and rotates core bar (13) periphery, and external screw thread (16) is corresponding with internal thread (14), external thread sleeve (15), rotate the head of core bar (13), fixed die insert (5) and moving die insert (11), gap between fixing core bar (12) forms die cavity, the inside and outside two threaded fitting (17) of injection mo(u)lding in die cavity, described external thread sleeve (15) is arranged laterally through elongated slot (18), rotate on core bar (13) and synchronous positioning pin rod (19) is set, synchronous positioning pin rod (19) inserts in elongated slot (18).
2. inside and outside two threaded fitting mould synchronous rotary mould emptier as claimed in claim 1, it is characterized in that described gear drive and power are included in gear buck plate (3) and transition gear (31) is installed, rotate on core bar (13) and swing pinion (32) is installed, swing pinion (32) is meshed with transition gear (31), described power is motor, in side outer wall mounted motor fixed block (33) of gear buck plate (3), motor (34) is arranged on motor fixed block (33), motor gear (35) is set in motor fixed block, motor gear (35) is meshed with transition gear (31), motor (34) drive motor gear (35).
3. inside and outside two threaded fitting mould synchronous rotary mould emptier as claimed in claim 1; it is characterized in that installing bearing (36) and lower bearing (37) in described gear buck plate (3), upper bearing (metal) (36) and lower bearing (37) match with rotation core bar (13).
4. inside and outside two threaded fitting mould synchronous rotary mould emptier as claimed in claim 1, is characterized in that respectively being provided with cooling water hole (20) in described fixed die insert (5) and moving die insert (11).
CN201510601619.2A 2015-09-21 2015-09-21 Synchronous revolution demolding mechanism of inner and outer double-threaded-pipe-fitting mold Pending CN105196492A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510601619.2A CN105196492A (en) 2015-09-21 2015-09-21 Synchronous revolution demolding mechanism of inner and outer double-threaded-pipe-fitting mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510601619.2A CN105196492A (en) 2015-09-21 2015-09-21 Synchronous revolution demolding mechanism of inner and outer double-threaded-pipe-fitting mold

Publications (1)

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CN105196492A true CN105196492A (en) 2015-12-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106079296A (en) * 2016-07-06 2016-11-09 健大电业制品(昆山)有限公司 A kind of mould with screw thread core pulling mechanism
CN106113404A (en) * 2016-07-26 2016-11-16 苏州启点机械有限公司 Double-head inner thread mould and use its method preparing double-head inner thread product

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3481000A (en) * 1966-09-22 1969-12-02 Tavannes Machines Co Sa Moulding presses
CN101444949A (en) * 2009-01-06 2009-06-03 宁海县大鹏模具塑料有限公司 Injection mold moving and stationary mold bidirectional helical demolding mechanism
CN201863366U (en) * 2010-11-12 2011-06-15 董林洁 Plastic front-mold thread automatic demolding structure
CN103407075A (en) * 2013-07-19 2013-11-27 广东联塑科技实业有限公司 Full-automatic molding inner and outer thread mold part die with different thread pitches
CN205021920U (en) * 2015-09-21 2016-02-10 台州市黄岩炜大塑料机械有限公司 Inside and outside double thread pipe fitting mould synchronous revolution demoulding mechanism

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3481000A (en) * 1966-09-22 1969-12-02 Tavannes Machines Co Sa Moulding presses
CN101444949A (en) * 2009-01-06 2009-06-03 宁海县大鹏模具塑料有限公司 Injection mold moving and stationary mold bidirectional helical demolding mechanism
CN201863366U (en) * 2010-11-12 2011-06-15 董林洁 Plastic front-mold thread automatic demolding structure
CN103407075A (en) * 2013-07-19 2013-11-27 广东联塑科技实业有限公司 Full-automatic molding inner and outer thread mold part die with different thread pitches
CN205021920U (en) * 2015-09-21 2016-02-10 台州市黄岩炜大塑料机械有限公司 Inside and outside double thread pipe fitting mould synchronous revolution demoulding mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106079296A (en) * 2016-07-06 2016-11-09 健大电业制品(昆山)有限公司 A kind of mould with screw thread core pulling mechanism
CN106113404A (en) * 2016-07-26 2016-11-16 苏州启点机械有限公司 Double-head inner thread mould and use its method preparing double-head inner thread product
CN106113404B (en) * 2016-07-26 2019-04-23 苏州启点机械有限公司 Double-head inner thread mold and the method for preparing double-head inner thread product using it

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Application publication date: 20151230