CN107244040A - A kind of plastic cement worm screw production technology - Google Patents

A kind of plastic cement worm screw production technology Download PDF

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Publication number
CN107244040A
CN107244040A CN201611247236.0A CN201611247236A CN107244040A CN 107244040 A CN107244040 A CN 107244040A CN 201611247236 A CN201611247236 A CN 201611247236A CN 107244040 A CN107244040 A CN 107244040A
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CN
China
Prior art keywords
plate
mould
molded
worm screw
gear
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
CN201611247236.0A
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Chinese (zh)
Inventor
马光勇
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.)
Dongguan Joyou Precision Mould Co Ltd
Original Assignee
Dongguan Joyou Precision Mould 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 Dongguan Joyou Precision Mould Co Ltd filed Critical Dongguan Joyou Precision Mould Co Ltd
Priority to CN201611247236.0A priority Critical patent/CN107244040A/en
Publication of CN107244040A publication Critical patent/CN107244040A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B29C45/2602—Mould construction elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/007—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass injection moulding tools
    • 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
    • B29C45/2618—Moulds having screw-threaded mould walls
    • B29C45/262—Moulds having screw-threaded mould walls provided with unscrewing drive means
    • 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
    • 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
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/78—Measuring, controlling or regulating of temperature
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76494—Controlled parameter
    • B29C2945/76531—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/775—Toothed articles
    • B29L2031/7754—Worms

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

Abstract

The present invention discloses a kind of plastic cement worm screw production technology, comprises the following steps：(1) Die and mould plate needed for composition mould is processed, template is assembled to form mould on request；(2) plastic cement is injected into mould using injection machine, be cooled and shaped；During injection, 180~300 DEG C of hopper temperature, 180~320 DEG C of first paragraph barrel temperature, 180~320 DEG C of second segment barrel temperature, the temperature control of the 3rd section of barrel is in 180~320 DEG C, 180~310 DEG C of the temperature of nozzle, 65~90 DEG C of mold temperature；(3) feeding is molded：P1, water gap plate and stripper plate are molded；P2, front template and water gap plate are molded；P3, preceding mould fixed plate and stripper plate are molded；P4, bearing (setting) plate and support plate are molded；P5, front template and rear pattern plate are molded.It is less prone to and pulls and worm screw parts damages phenomenon during product stripping of the present invention, improves production quality and production efficiency, simplify the structure mould structure, improves demoulding efficiency.

Description

A kind of plastic cement worm screw production technology
Technical field
The present invention relates to plastic cement worm screw production technical field, and in particular to a kind of plastic cement worm screw production technology.
Background technology
With the development of chemical engineering industry, various novel high polymer materials are come out, and manufacture zero is provided to each industry manufacture field The raw material of part.Plasthetics is due to lightweight, intensity is high, noise is low for operation, self-lubricity can wait premium properties well, The alloy material of costliness is progressively substituted in fields such as space flight, aviation, electronics, machinery, ship, automobile, office appliances.Plastic cement worm screw It is the two between centers transmission motion in spatial intersecting and a kind of part of power.Existing worm screw mould some is using two line position knots The mode of conjunction is molded, and this mould structure can cause product surface to there is joint line, it is impossible to is manufactured transmission and is required high plastic cement worm screw； Another type processing method is exactly using being EDM processing, and EDM processing rear screw line precision is difficult to ensure that, measures difficulty；And Workpiece surface finish can only polish difficulty, product depanning is pulled often scrapes by EDM technological parameter management and control after machining Flower is produced, therefore the deficiency of mould processing technology turns into the technical bottleneck for making the products such as high-precision plastic cement worm screw, screw thread.
In addition, except core rod processing mode influences the Product Precision of worm screw mould production in actual volume production, mould is normal It is also to determine one of Product Precision factor to open mould assembling action；The reason for action has some setbacks is caused to be that its mechanism is designed, existing mould Tool realizes that spiral depanning is by the design of core rod lower end and product spiral string pitch identical screw thread, passing through the work of external rotational forces With the core rod demoulding in rotary moving is made, during the plastic cement amount difference that mold cavity is molded when product shaping, the pitch and mould of its product The pitch of tool fuse setting can produce deviation, the surface damage of product spiral or the mould card when product shaping is satiated when causing depanning Extremely, the lighter's damage of product influence yield, the influence production of severe one burn failure.
The content of the invention
The present invention is in view of the existing deficiencies of the prior art there is provided a kind of plastic cement worm screw production technology, and it can improve mould and add Work technique, improves the crudy of mould, makes it possible the production of high-precision worm screw, while improving finished product worm screw depanning side Formula, rate of reducing the number of rejects and seconds improves the production efficiency of worm screw.
To achieve the above object, the present invention is using following technical scheme：
A kind of plastic cement worm screw production technology, comprises the following steps：
(1) mould processing and fabricating：Process composition mould needed for Die and mould plate, the Die and mould plate include preceding mould fixed plate, Stripper plate, water gap plate, front template, rear pattern plate, gear train fixed plate, bearing (setting) plate, support plate, two pole liftout plates, preceding core rod With rear core rod, the rear core rod is processed using electroforming process, template is assembled to form mould on request, and the bearing of the mould is consolidated Provided with the bearing being axially movable at fixed board, the central shaft of the mould is rotatably installed on bearing, and the rear core rod is consolidated Dingan County is loaded on the upper end of central shaft；
(2) injection molding：Plastic cement is injected into mould by nozzle using injection machine, is cooled and shaped；During injection, injection Machine hopper temperature is controlled at 180~300 DEG C, and the temperature control of injection machine first paragraph barrel is in 180~320 DEG C, injection machine second The temperature control of section barrel is at 180~320 DEG C, and the temperature control of the 3rd section of barrel of injection machine is in 180~320 DEG C, the temperature of nozzle Degree control is at 180~310 DEG C, and the temperature control of mould is at 65~90 DEG C；
(3) feeding is molded：
P1, water gap plate and stripper plate are molded, and production cast gate is separated with product, and make the distance of die sinking more than sprue, The total height of three parts of runner and cast gate；
P2, front template and water gap plate are molded, and core rod is separated with product before making；
P3, preceding mould fixed plate and stripper plate are molded, and regrinding-material is disengaged stripper plate；
P4, bearing (setting) plate and support plate are molded, and rear core rod is obtained the space of the up and down demoulding；
P5, front template and rear pattern plate are molded, and are rotated first by motor driven gear wheel system, core rod after being driven by gear train Moved to drawer at movable side of mould, complete the length demoulding of product worm spiral part, then by ejecting mechanism by product from rear mold Core is ejected, and obtains the worm screw of forming.
Preferably, when carrying out step (1), the template superposition in the hole with identical positioning action is clamped processes together, Ensure accurate positioning, concentricity is good.
Preferably, when carrying out step (1), being processed for the hole for assembling core portion using jig grinder, it is ensured that match somebody with somebody Close good.
Preferably, when carrying out step (1), sled hole is processed between each template, for use in the assembling of mould.
Preferably, when carrying out step (2), injection molding process point four-stage section is carried out, first stage filling stream Production and 30% die cavity of product, 80% die cavity of second stage filling product, 98% die cavity of phase III filling product, the 4th Work-in-process pressurize.
Preferably, during die sinking feeding, the product of forming is drawn by way of mechanical arm is using overall sucker.
Preferably, the gear train includes motor gear, the first travelling gear, the second travelling gear, two the 3rd biographies Moving gear, two the first demoulding gears and two second demoulding gears, described two first demoulding gears and two second demouldings Gear is rotatably installed in gear train fixed plate respectively, and two first demoulding gears pass through one the 3rd transmission respectively Gear and the corresponding second demoulding gear connection, the motor gear and motor drive connection, first travelling gear and motor Gear engagement connection, second travelling gear is connected with the engagement of the first travelling gear, described two first demoulding gear difference With the second travelling gear engagement be connected, it is described two first the demoulding gears and two second be stripped gears with corresponding rear core rod Connection, and core rod is rotated after can driving.
The beneficial effects of the invention are as follows：1st, core rod after being processed by using electroforming process so that the die cavity of rear core rod is by electricity Casting process is formed, and effectively solves traditional bad guarantee of EDM processing helical curves, the problems such as measurement is difficult；Meanwhile, its mould It is smooth that core machines rear surface, the defect such as pulls, scratches when overcoming depanning after product shaping；2nd, mould is eliminated in rear mold Core lower end is designed and product spiral string pitch identical screw thread, and the bearing of axial movement is added at bearing (setting) plate, is being opened When gear drives the rotation of SMIS axle during mould, product is motionless in die cavity, and central shaft completes rotation under the active force of product helicoid The dynamic demoulding of transfer, the helical curve realization of the knockout course of its structure all by product in itself, improve legacy mould due to It is multiple go out modular curve caused by locking phenomenon；3rd, by controlling temperature during injection molding, it is ensured that moulded in injection moulding process Glue is in optimum state, makes formed product effect more preferable；4th, by controlling mould to mold in order, the theoretical parameter according to mould Control die sinking distance, it is ensured that mold being smoothed out for feeding, it is ensured that the quality of production and production efficiency of product；5th, mould Simplify the structure, so as to improve the formed precision of plastic cement worm screw and the volume production performance of mould.
More clearly to illustrate the architectural feature, technological means and its specific purposes reached and function of the present invention, under Face is described in further detail with reference to accompanying drawing with specific embodiment to the present invention：
Brief description of the drawings
Fig. 1 is the mould structure schematic diagram of embodiments of the present invention；
Fig. 2 is the gear train mounting structure schematic diagram of embodiments of the present invention.
Accompanying drawing identifier declaration：
1st, preceding mould fixed plate 2, stripper plate 3, water gap plate
4th, front template 5, rear pattern plate 6, gear train fixed plate
7th, bearing (setting) plate 8, support plate 9, worm screw
10th, motor 11, motor gear 51, rear core rod
61st, the first travelling gear 62, the second travelling gear 63, first demoulding gear
64th, the 3rd travelling gear 65, second demoulding gear 71, bearing
72nd, central shaft
Embodiment
First, it refer to shown in Fig. 1 and Fig. 2, mould fixed plate 1, stripper plate 2, water before mould of the invention is mainly included Oralia 3, front template 4, rear pattern plate 5, gear train fixed plate 6, bearing (setting) plate 7, support plate 8, two pole liftout plates, preceding core rod, after Core rod, and gear train, the preceding mould fixed plate 1, stripper plate 2, water gap plate 3, front template 4, rear pattern plate 5, gear train fixed plate 6th, bearing (setting) plate 7 and support plate 8 removable connection successively, the preceding core rod is installed on front template 4, the bearing of the mould Provided with the bearing 71 being axially movable at fixed plate 7, the central shaft 72 of the mould is rotatably installed on bearing 71, described Core rod 51 is fixedly installed in the upper end of central shaft 72 afterwards, the gear train include the first travelling gear 61, the second travelling gear 62, Two the 3rd travelling gears 64, two the first demoulding gears 63 and two second demoulding gears 65, described two first demouldings teeth Wheel 63 and two second demoulding gears 65 are rotatably installed in gear train fixed plate 6 respectively, and two first demoulding teeth Wheel 63 is connected by the 3rd travelling gear 64 with the corresponding second demoulding gear 65 respectively, during the demoulding, the motor of motor 10 Gear 11 is rotated, and first travelling gear 61 is connected with the engagement of motor gear 11, and second travelling gear 62 and first is passed The engagement connection of moving gear 61, described two first demoulding gears 63 are connected with the engagement of the second travelling gear 62 respectively, described two First demoulding gear 63 and two second demoulding gears 65 are connected with corresponding rear core rod 51, and 51 turns of core rod after can driving It is dynamic.Core rod 51 is rotated after being driven by gear train, make forming the spiral part of worm screw 9 length depart from after core rod.
A kind of plastic cement worm screw production technology, comprises the following steps：
(1) mould processing and fabricating：Process composition mould needed for Die and mould plate, the Die and mould plate include preceding mould fixed plate 1, Stripper plate 2, water gap plate 3, front template 4, rear pattern plate 5, gear train fixed plate 6, bearing (setting) plate 7, support plate 8, two pole liftout plates, Core rod, template is assembled to form mould on request afterwards, provided with the bearing being axially movable, institute at the bearing (setting) plate of the mould The central shaft for stating mould is rotatably installed on bearing, and the rear core rod is fixedly installed in the upper end of central shaft；During processing, after Core rod is processed using electroforming process；The template superposition in the hole with identical positioning action is clamped processes together, it is ensured that accurate positioning, Concentricity is good；Processed for the hole for assembling core portion using jig grinder, it is ensured that no-float；Processed between each template Sled hole, for use in the assembling of mould；
(2) injection molding：Plastic cement is injected into mould by nozzle using injection machine, is cooled and shaped；During injection, injection Machine hopper temperature is controlled at 180~300 DEG C, and the temperature control of injection machine first paragraph barrel is in 180~320 DEG C, injection machine second The temperature control of section barrel is at 180~320 DEG C, and the temperature control of the 3rd section of barrel of injection machine is in 180~320 DEG C, the temperature of nozzle Degree control is at 180~310 DEG C, and the temperature control of mould is at 65~90 DEG C；
(3) feeding is molded：
P1, water gap plate 3 are molded with stripper plate 2, production cast gate is separated with product, and the distance of die sinking is more than main flow Road, the total height of three parts of runner and cast gate, it is ensured that the manipulator of injection machine can grip whole regrinding-materials；
P2, front template 4 are molded with water gap plate 3, and core rod is separated with product before making；When ensuring that front template is opened with rear pattern plate Product is not bound on front template.
P3, preceding mould fixed plate 1 are molded with stripper plate 2, regrinding-material is disengaged stripper plate 2, are easy to manipulator to grip regrinding-material； Opening stroke 5mm bigger than the depth that Puller pin stretches into runner；
P4, bearing (setting) plate 7 are molded with support plate 8, rear core rod is obtained the space of the up and down demoulding, opening stroke ratio The big 2-3mm of product spiral part length, it is ensured that fuse stripping movement has enough spaces when motor rotates；
P5, front template 4 are molded with rear pattern plate 5, rotated first by motor driven gear wheel system, rear mold is driven by gear train Core is moved to drawer at movable side of mould, complete product worm spiral part length the demoulding, then by ejecting mechanism by product from after Core rod is ejected, and obtains the worm screw of forming.The production of forming is drawn during feeding by way of mechanical arm is using overall sucker Product.
Preferably, when carrying out step (2), injection molding process point four-stage section is carried out, first stage filling stream Production and 30% die cavity of product, 80% die cavity of second stage filling product, 98% die cavity of phase III filling product, the 4th Work-in-process pressurize.
The above described is only a preferred embodiment of the present invention, be not intended to limit the invention, therefore it is every according to this hair Any modification, equivalent substitution and improvements that bright technology is actually made to above example etc., still fall within technical solution of the present invention In the range of.

Claims (7)

1. a kind of plastic cement worm screw production technology, it is characterised in that comprise the following steps：
(1) mould processing and fabricating：The Die and mould plate needed for composition mould is processed, the Die and mould plate includes preceding mould fixed plate, material stripping Plate, water gap plate, front template, rear pattern plate, gear train fixed plate, bearing (setting) plate, support plate, two pole liftout plates, preceding core rod and after Core rod, the rear core rod is processed using electroforming process, template is assembled to form mould on request, the bearing (setting) plate of the mould Place is rotatably installed on bearing provided with the bearing being axially movable, the central shaft of the mould, and the rear core rod fixes peace Upper end loaded on central shaft；
(2) injection molding：Plastic cement is injected into mould by nozzle using injection machine, is cooled and shaped；During injection, injection machine material The temperature control that struggles against is at 180~300 DEG C, and the temperature control of injection machine first paragraph barrel is in 180~320 DEG C, injection machine second segment material The temperature control of cylinder is at 180~320 DEG C, and the temperature control of the 3rd section of barrel of injection machine is in 180~320 DEG C, the temperature control of nozzle System is at 180~310 DEG C, and the temperature control of mould is at 65~90 DEG C；
(3) feeding is molded：
P1, water gap plate and stripper plate are molded, and production cast gate is separated with product, and the distance of die sinking is more than sprue, shunting The total height of three parts in road and cast gate；
P2, front template and water gap plate are molded, and core rod is separated with product before making；
P3, preceding mould fixed plate and stripper plate are molded, and regrinding-material is disengaged stripper plate；
P4, bearing (setting) plate and support plate are molded, and rear core rod is obtained the space of the up and down demoulding；
P5, front template and rear pattern plate are molded, and are rotated first by motor driven gear wheel system, and core rod is to mould after being driven by gear train Have drawer at movable side movement, complete the length demoulding of product worm spiral part, then by ejecting mechanism by product from rear core rod top Go out, obtain the worm screw of forming.
2. a kind of plastic cement worm screw production technology according to claim 1, it is characterised in that when carrying out step (1), have The template superposition in the hole of identical positioning action is clamped processes together, it is ensured that accurate positioning, concentricity is good.
3. a kind of plastic cement worm screw production technology according to claim 1, it is characterised in that when carrying out step (1), for The hole of assembling core portion is processed using jig grinder, it is ensured that no-float.
4. a kind of plastic cement worm screw production technology according to claim 1, it is characterised in that when carrying out step (1), each Sled hole is processed between template, for use in the assembling of mould.
5. a kind of plastic cement worm screw production technology according to claim 1, it is characterised in that when carrying out step (2), injection Forming process point four-stage section is carried out, 30% die cavity of first stage filling miscarriage and product, second stage filling product 80% die cavity, 98% die cavity of phase III filling product, fourth stage product pressurize.
6. a kind of plastic cement worm screw production technology according to claim 1, it is characterised in that during die sinking feeding, pass through machinery Arm draws the product of forming by the way of overall sucker.
7. a kind of plastic cement worm screw production technology according to claim 1, it is characterised in that the gear train includes motor tooth Wheel, the first travelling gear, the second travelling gear, two the 3rd travelling gears, two the first demoulding gears and two second demouldings Gear, described two first demoulding gears and two second demoulding gears are rotatably installed in gear train fixed plate respectively, And two first demoulding gears are connected by the 3rd travelling gear with the corresponding second demoulding gear respectively, the motor tooth Wheel and motor drive connection, first travelling gear are connected with motor gear engagement, and second travelling gear and first is passed Moving gear engagement connection, described two first demoulding gears are connected with the engagement of the second travelling gear respectively, and described two first take off Mode-gear and two second demoulding gears are connected with corresponding rear core rod, and core rod is rotated after can driving.
CN201611247236.0A 2016-12-29 2016-12-29 A kind of plastic cement worm screw production technology Pending CN107244040A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611247236.0A CN107244040A (en) 2016-12-29 2016-12-29 A kind of plastic cement worm screw production technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611247236.0A CN107244040A (en) 2016-12-29 2016-12-29 A kind of plastic cement worm screw production technology

Publications (1)

Publication Number Publication Date
CN107244040A true CN107244040A (en) 2017-10-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611247236.0A Pending CN107244040A (en) 2016-12-29 2016-12-29 A kind of plastic cement worm screw production technology

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111331789A (en) * 2020-03-13 2020-06-26 上海希荷精密模具有限公司 Injection mold of gear piece

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2217661A (en) * 1936-12-30 1940-10-15 Standard Products Co Molding and ejecting means for threaded articles
GB948476A (en) * 1961-03-22 1964-02-05 Werner Battenfeld An apparatus for the production of pressed synthetic plastics mouldings
CN102107486A (en) * 2010-11-05 2011-06-29 浙江胜华波电器股份有限公司 Injection molding manufacturing method for plastic worm wheel and injection molding die assembly
CN204095057U (en) * 2014-05-26 2015-01-14 东莞市星火齿轮有限公司 A kind of worm screw mould structure
CN104760216B (en) * 2015-02-17 2017-06-23 精英模具(上海)有限公司 From the injection mold and method of welding in mould

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2217661A (en) * 1936-12-30 1940-10-15 Standard Products Co Molding and ejecting means for threaded articles
GB948476A (en) * 1961-03-22 1964-02-05 Werner Battenfeld An apparatus for the production of pressed synthetic plastics mouldings
CN102107486A (en) * 2010-11-05 2011-06-29 浙江胜华波电器股份有限公司 Injection molding manufacturing method for plastic worm wheel and injection molding die assembly
CN204095057U (en) * 2014-05-26 2015-01-14 东莞市星火齿轮有限公司 A kind of worm screw mould structure
CN104760216B (en) * 2015-02-17 2017-06-23 精英模具(上海)有限公司 From the injection mold and method of welding in mould

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
王兴天: "《注塑成型技术》", 31 December 1989, 化学工业出版社 *
王加龙: "《塑料注射成型》", 31 August 2009, 印刷工业出版社有限公司 *
王大中 等: "《注塑产品缺陷机理及解决方案100例》", 31 January 2015, 印刷工业出版社 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111331789A (en) * 2020-03-13 2020-06-26 上海希荷精密模具有限公司 Injection mold of gear piece
CN111331789B (en) * 2020-03-13 2021-11-19 上海希荷精密模具有限公司 Injection mold of gear piece

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Application publication date: 20171013