[go: up one dir, main page]

CN104608303A - Rotational molding die, and rotational molding method - Google Patents

Rotational molding die, and rotational molding method Download PDF

Info

Publication number
CN104608303A
CN104608303A CN201310536354.3A CN201310536354A CN104608303A CN 104608303 A CN104608303 A CN 104608303A CN 201310536354 A CN201310536354 A CN 201310536354A CN 104608303 A CN104608303 A CN 104608303A
Authority
CN
China
Prior art keywords
mould
die
heat conduction
die cavity
rotational molding
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.)
Granted
Application number
CN201310536354.3A
Other languages
Chinese (zh)
Other versions
CN104608303B (en
Inventor
黄光南
万淑先
王留保
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.)
SHANGHAI BOYI INDUSTRY Co Ltd
Original Assignee
SHANGHAI BOYI INDUSTRY 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 SHANGHAI BOYI INDUSTRY Co Ltd filed Critical SHANGHAI BOYI INDUSTRY Co Ltd
Priority to CN201310536354.3A priority Critical patent/CN104608303B/en
Publication of CN104608303A publication Critical patent/CN104608303A/en
Application granted granted Critical
Publication of CN104608303B publication Critical patent/CN104608303B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B29C41/00Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/34Component parts, details or accessories; Auxiliary operations
    • B29C41/38Moulds, cores or other substrates
    • 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
    • B29C41/00Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/04Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
    • 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
    • B29C41/00Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/34Component parts, details or accessories; Auxiliary operations
    • B29C41/36Feeding the material on to the mould, core or other substrate

Landscapes

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

Abstract

The invention discloses a rotational molding die, and a rotational molding method. According to the rotational molding die, a first part mold cavity is arranged in an upper thermal conductive template; a second part mold core is arranged in a lower thermal conductive template; each mold cavity assembly comprises a mold cover and a second part mold cavity detachably connected with the lower part of the mold cover; when a first part is inserted into a mold cover, a sealed second part die cavity is formed by the first part, the mold cover, and a corresponding second part mold cavity; the movable tray is connected with the lower thermal conductive template, and is fixedly provided with a plurality of the mold cavity assemblies, and the first parts are inserted into the mold cavity assemblies. According to the rotational molding method, rotational molding of second parts is realized, and synchronous automatic bonding of the second parts with corresponding first parts can be realized, so that subsequent bonding assembling procedures are avoided, adverse influences of binders on products are avoided, the mold cavity assemblies containing the products can be moved out of the rotational molding die for cooling at the same time, the temperature of the rotational molding die is maintained to be a rotational molding temperature, repeat temperature increasing after die cooling is avoided, molding period is shortened greatly, production cost is reduced, and production efficiency is increased.

Description

Rotational forming mould and rotational molding technology method
Technical field
The present invention relates to Rotomolding techniques field, especially a kind of rotational forming mould of anaesthesia breathing mask and rotational molding technology method.
Background technology
Rotational molding is a kind of process of shaping hollow plastic product, is called rotational forming or rotational moulding.Rotational molding adds in mould by toner or resin solution, heating mould also makes it along two mutually perpendicular axle continuous rotations, resin in mould is coated with equably under being melted in the effect of gravity and heat and melting adheres to mould inner surface, form required form, obtain product by after cooling.
Actual product produce in, for by the part after rotational forming to be connected with other Assembly of the parts time, normally employing glue or solvent bonding manual assembly form.
Such as, in the manufacturing process of Medical anesthetic breathing mask, be all generally combine by the superstructure of hard with the soft air cushion structure of human contact.Conventional this superstructure of employing injection moulding, air cushion is made as raw material by the compound such as PVC and silicon rubber, because the requirement of its material behavior and structure generally will use rotational forming.When these two part combination being become face shield, common way adopts UV glue or solvent bonding manual assembly, but the shortcoming of UV glue bond is that cost is high, and curing process is complicated, and manual assembly efficiency is lower; The shortcoming adopting solvent bonding is volatile, irritant smell.This technique of Long-Time Service all has harmful effect to operating personnel and surrounding air; Further, if goods are when the deficiency of time of loose taste process, the excitant peculiar smell still remained when patient uses product, causes potential danger to health.
Summary of the invention
The object of the present invention is to provide a kind of rotational forming mould and moulding technique, to solve in prior art for when the part after rotational forming is connected with other Assembly of the parts, glue or solvent bonding manual assembly need be adopted and cause increase operation, and using glue or solvent bonding can remain in goods potentially to use dangerous problem to cause.
For solving the problems of the technologies described above, the invention provides following technical scheme:
A kind of rotational forming mould 100, it comprises heat conduction template 110, lower heat conduction template 120, mould guiding closing device 130, clamping apparatus 140, movable tray 150 and some die cavity assemblys 160, wherein, the first part die cavity is provided with in described upper heat conduction template 110, the second part core 121 is correspondingly provided with in described lower heat conduction template 120, described die cavity assembly 160 comprises: die cap 161 and detachable the second part die cavity 162 be connected to below it, after the first part 200 embeds die cap 161, first part 200, die cap 161, second part die cavity 162 encloses the second part die cavity of sealing, the die cavity assembly 160 of some embedding first parts 200 is fixedly equiped with in described movable tray 150, and movable tray 150 is inserted in lower heat conduction template 120.
Preferably, described locking device 140 comprises: at least one locking bail 141 and the locking roller 142 being mated connection, and locking roller 142 is fixedly connected on the upper surface of heat conduction template 110; Locking bail 141 has stiff end and latch hook end, and stiff end is connected to lower heat conduction template 120 and latch hook end and locking roller 142 hook to close and be connected to realize mould 100 and lock and close.
Preferably, also comprise thermal insulation board 170, described thermal insulation board 170 is located at the bottom of lower heat conduction template 120.
The present invention also provides a kind of rotational molding technology method, comprises the following steps:
(1) mould and die preheating: mould 100 is fixed in revolving burner, under mould 100 closure state, by high-pressure hot steam through inlet duct extremely horizontal admission line, mould inside is imported with heating mould 100 by longitudinal breather line, the steam after this heat exchange is discharged again through exhaust apparatus, reach forming temperature by controlling duration of ventilation, and make mould 100 be in die sinking feed state;
(2) feed in raw material and insert the first part in advance: taking quantitative resin solution, be injected in die cavity assembly 160; First part 200 of forming is embedded on die cap 161, then the die cavity assembly 160 installing the first part 200 additional is fitted in movable tray 150, movable tray 150 is inserted in lower heat conduction template 120, upper heat conduction template 110 through mould guiding closing device 130 close die 100, through clamping apparatus 140 locked mode;
(3) rotational forming: setting PLC controling parameters, control program starts revolving burner, mould 100 vertical, horizontal rotational forming second part 300 and first and second part 200,300 is bonded to one in revolving burner, after control program end of run, mould 100 shuts down and is in die opening state, and mould 100 keeps shaping state of temperature;
(4) demoulding, mould cool outward and post processing: take out forming product from lower heat conduction template 120 with the movable tray 150 being provided with die cavity assembly 160; Through conveyer belt, movable tray 150 is sent into cooling workshop section, after end to be cooled, open type cavity combining body 160 takes out integrated product; Remove residual material in mould 100, and remove burr on product.
Preferably, the heating-up temperature of rotational forming is set to 140 DEG C ~ 170 DEG C, and the heat time is 2 ~ 4min.
Preferably, the mould heating-up time is 2 ~ 4min.
Preferably, mould rotary speed is 40 ~ 60rpm, and the rotating ratio of rotary main shaft and countershaft is 1:6.
In sum, a kind of rotational forming mould 100 of the present invention, the movable tray 150 of die cavity assembly 160 is equipped with by assembling between upper and lower heat conduction template 110,120, can not only when rotational forming the second part 300, synchronously realize itself and the first part 200 automatic bonding, save follow-up bonding assembling procedure, and meet the biocompatibility requirement of curable product, also avoid the harmful effect that binding agent causes product, and avoid the later stage and may there are potential use hazards; In a kind of rotational molding technology of the present invention, owing to adopting die cavity assembly 160 combining movement pallet 150 combining structure, neatly the die cavity assembly 160 comprising product can be shifted out the technique that mould cools outward, and then make down batch product enter molding cycle, and make mould 100 remain on rotational forming heating-up temperature always, need after avoiding cooling die 100 to repeat to be warming up to forming temperature process, not only highly shortened product molding cycle, and reduce production cost, improve production efficiency.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the present invention is described in further detail;
Fig. 1 is the perspective view of a kind of rotational forming mould 100 in the present embodiment;
Fig. 2 is the perspective view of the die cavity assembly 160 adding the first part 200 in Fig. 1;
Fig. 3 is the perspective view of movable tray 150 in Fig. 1;
Fig. 4 is the product plane of rotational forming;
Fig. 1 to Fig. 4, wherein,
Rotational forming mould 100, upper heat conduction template 110, lower heat conduction template 120, second part core 121, mould guiding closing device 130, locking device 140, locking bail 141, locking roller 142, movable tray 150, die cavity assembly 160, die cap 161, second part die cavity 162, thermal insulation board 170, first part 200, second part 300.
Detailed description of the invention
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art the content disclosed by this description can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by detailed description of the invention different in addition, and the every details in this description also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.
Please refer to shown in Fig. 1 to Fig. 4, a kind of rotational forming mould 100 in the embodiment of the present invention, comprise heat conduction template 110, lower heat conduction template 120, mould guiding closing device 130, clamping apparatus 140, movable tray 150 and some die cavity assemblys 160, wherein, the first part die cavity is provided with in described upper heat conduction template 110, the second part core 121 is correspondingly provided with in described lower heat conduction template 120, described die cavity assembly 160 comprises: die cap 161 and detachable the second part die cavity 162 be connected to below it, after the first part 200 embeds die cap 161, first part 200, die cap 161, second part die cavity 162 encloses the second part die cavity of sealing, the die cavity assembly 160 of some embedding first parts 200 is fixedly equiped with in described movable tray 150, and movable tray 150 is inserted in lower heat conduction template 120.
The movable tray 150 of die cavity assembly 160 is provided with by assembling between upper and lower heat conduction template 110,120 in this programme, can not only when rotational forming the second part 300, also synchronously realize itself and the first part 200 automatic bonding, not only save follow-up bonding assembling procedure, and meet the biocompatibility requirement of curable product, also avoid the harmful effect that binding agent causes product, and avoid the later stage and may there are potential use hazards.
In technique scheme, die cavity assembly 160 comprises: die cap 161 and detachable the second part die cavity 162 be connected to below it, when mould 100 closes, when first part 200 lower surface embeds die cap 161, first part 200 upper surface coordinates with the first part die cavity in upper heat conduction template 120 and empty avoiding reserves the gap of more than 3mm, which avoid high-temperature heat-conductive template 110 and likely melts or have influence on the first part 200 shape; Lower surface and the second part core 121 of the second part die cavity 162 are wherein fitted, and carry out rotational forming second part 300 in order to mold heat to be conducted in die cavity fully.In shaping anaesthesia breathing mask embodiment, this first part 200 is face shield upper cover, the second part 300 is bottom air cushion.
When clamping apparatus provides coupling mechanism force to make mould 100 bidirectional rotation, resin can be sealed in die cavity, described locking device can comprise: at least one locking bail 141 and the locking roller 142 being mated connection, locking roller 142 is fixedly connected on the upper surface of heat conduction template 110, locking bail 141 has stiff end and latch hook end, locking bail 141 stiff end is connected to lower heat conduction template 120, and latch hook end hooks to close be connected 4 with locking roller 142.In this programme embodiment, by arranging one group of locking roller 142, and arrange one group of locking bail 141 respectively in upper and lower heat conduction template 110,120 two sides, this locking fit structure can ensure resin good seal in die cavity effectively.
In a preferred embodiment of this programme, rotational forming mould 100 also comprises thermal insulation board 140, described thermal insulation board 140 is located at the bottom of lower heat conduction template 120, and the temperature that described thermal insulation board 140 can reduce mould 100 outwards conducts to cause heat loss, improves heat utilization rate.
Be understandable that, the quantity of this programme medium-sized cavity combining body 160, first part die cavity, the second part die cavity 161 should have uniformity, concrete quantity is arranged can according to product size, template size and revolving burner load, high-pressure hot steam heat transfer area, and output is comprehensively determined.In the embodiment of shaping anaesthesia breathing mask, in order to realize, formed product is effective ensures production efficiency again, is preferably set to a mould six cave structure.
In production product, rotational forming mould 100 is installed in revolving burner, such as a kind of revolving burner, it comprises plant bottom case, be connected to the equipment supporter of described plant bottom case, external heat is conducted into longitudinal breather line of mould inside, power set, inlet duct, exhaust apparatus, transmission device, control cabinet parts and balancing weight etc., wherein, can with motor as power set, inlet duct can comprise intake valve, air inlet swivel joint and horizontal gas feeding pipe and enter gas branch pipe, described exhaust apparatus can comprise air bleeding valve, exhaust swivel joint and transverse row feed channel and exhaust branch pipe, horizontal gas feeding pipe and longitudinal breather line square crossing are assembled, transmission device can comprise driving gear and driven tooth wheel disc, driven tooth wheel disc is fixed on above horizontal gas feeding pipe and transverse row feed channel, mould 100 is fixed on driven tooth wheel disc.
The revolving burner course of work is as follows: high-temperature hot steam from air inlet through intake valve regulable control flow, horizontal gas feeding pipe is entered by air inlet swivel joint, enter longitudinal breather line through air intake branch and flow into mold center and heat to realize mould 100, motor provides power to drive driving gear transverse rotation, driving gear transmission drives driven gear, realize longitudinally rotating through gears meshing, thus the rotating shaft that driven mold is determined through horizontal gas feeding pipe and transverse row feed channel rotates to realize longitudinal rotation, complete rotational forming, vapours rises, cold steam after heat exchange declines and enters transverse row feed channel through exhaust branch pipe, cold steam is discharged through exhaust swivel joint and air bleeding valve.
The present invention also provides a kind of rotational molding technology method, such as, be molded article with anaesthesia breathing mask, specifically comprise the steps:
(1) mould and die preheating: mould 100 is fixed in revolving burner, under mould 100 closure state, by high-pressure hot steam through inlet duct extremely horizontal admission line, mould 100 inside is imported with heating mould 100 by longitudinal breather line, the steam after this heat exchange is discharged again through exhaust apparatus, forming temperature is reached by controlling duration of ventilation, and make mould 100 be in die sinking feed state, wherein, such as shaping heating-up temperature is set to 140 DEG C ~ 170 DEG C, heat time is 2 ~ 3min, and the mould heating-up time is 2 ~ 4min;
(2) feed in raw material and insert the first part in advance: taking quantitative resin solution, be injected in die cavity assembly 160; First part 200 of forming is embedded on die cap 161, then the die cavity assembly 160 installing the first part 200 additional is fitted in movable tray 150, movable tray 150 is inserted in lower heat conduction template 120, upper heat conduction template 110 is through mould guiding closing device 130 close die 100, can be such as lead and fairlead fit structure, then, through clamping apparatus 140 locked mode;
(3) rotational forming: setting PLC controling parameters, control program starts revolving burner, mould 100 is vertical, horizontal rotational forming second part 300 in revolving burner, and realize first and second part 200,300 to be bonded to one, the rotary speed of such as mould can be set to 40 ~ 60rpm, and the rotating ratio of main shaft and countershaft is 1:6; After control program end of run, mould 100 shuts down and is in die opening state, requires that mould 100 keeps shaping state of temperature;
(4) demoulding, mould cool outward and post processing: take out forming product 100 from lower heat conduction template 120 with the movable tray 150 being provided with die cavity assembly 160; Through conveyer belt, movable tray 150 is sent into cooling workshop section, after end to be cooled, open type cavity combining body 160 takes out integrated product; Remove residual material in mould 100, and remove burr on product.
In described rotary die and rotational molding technology method, be not limited to the rotational forming of concrete product and be interconnected, as long as adopt this technological means can realize its formed product and/or connect all in the protection domain of this programme.
In a kind of rotational molding technology of the present invention, owing to adopting die cavity assembly 160 and movable tray 150 combining structure, neatly the die cavity assembly 160 comprising product can be shifted out mould to cool outward, and then make down batch product enter molding cycle, and mould 100 remains on rotational forming heating-up temperature always, need after avoiding cooling die 100 to repeat to be warming up to forming temperature process, not only highly shortened product molding cycle, and reduce production cost, improve production efficiency.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.

Claims (7)

1. a rotational forming mould (100), it is characterized in that, comprise heat conduction template (110), lower heat conduction template (120), mould guiding closing device (130), clamping apparatus (140), movable tray (150) and some die cavity assemblys (160), wherein, the first part die cavity is provided with in described upper heat conduction template (110), the second part core (121) is correspondingly provided with in described lower heat conduction template (120), described die cavity assembly (160) comprising: die cap (161) and detachable the second part die cavity (162) be connected to below it, after the first part (200) embeds die cap (161), first part (200), die cap (161), second part die cavity (162) encloses the second part die cavity of sealing, the die cavity assembly (160) of some embedding first parts (200) is fixedly equiped with in described movable tray (150), and movable tray (150) is inserted in lower heat conduction template (120).
2. rotational forming mould (100) according to claim 1, it is characterized in that, described locking device (140) comprising: at least one locking bail (141) and be mated the locking roller (142) of connection, and locking roller (142) is fixedly connected on the upper surface of heat conduction template (110); Locking bail (141) has stiff end and latch hook end, and stiff end is connected to lower heat conduction template (120) and latch hook end and locking roller (142) hook to close and is connected to realize mould (100) and locks and close.
3. rotational forming mould (100) according to claim 1 and 2, is characterized in that, also comprises thermal insulation board (170), and described thermal insulation board (170) is located at the bottom of lower heat conduction template (120).
4. a rotational molding technology method, is characterized in that, comprises the following steps:
(1) mould and die preheating: mould (100) is fixed in revolving burner, under mould (100) closure state, by high-pressure hot steam through inlet duct extremely horizontal admission line, mould inside is imported with heating mould (100) by longitudinal breather line, the steam after this heat exchange is discharged again through exhaust apparatus, reach forming temperature by controlling duration of ventilation, and make mould (100) be in die sinking feed state;
(2) feed in raw material and insert the first part in advance: taking quantitative resin solution, be injected in die cavity assembly (160); First part (200) of forming is embedded on die cap (161), then the die cavity assembly (160) installing the first part (200) additional is fitted in movable tray (150), movable tray (150) is inserted in lower heat conduction template (120), upper heat conduction template (110) through mould guiding closing device (130) close die (100), through clamping apparatus (140) locked mode;
(3) rotational forming: setting PLC controling parameters, control program starts revolving burner, mould (100) vertical, horizontal rotational forming second part (300) and first and second part (200,300) is bonded to one in revolving burner, after control program end of run, mould (100) shuts down and is in die opening state, and mould (100) keeps shaping state of temperature;
(4) demoulding, mould cool outward and post processing: will form product and take out from lower heat conduction template (120) with the movable tray (150) being provided with die cavity assembly (160); Through conveyer belt, movable tray (150) is sent into cooling workshop section, after end to be cooled, open type cavity combining body (160) takes out integrated product; Remove residual material in mould (100), and remove burr on product.
5. rotational molding technology method according to claim 4, is characterized in that, the heating-up temperature of rotational forming is set to 140 DEG C ~ 170 DEG C, and the heat time is 2 ~ 4min.
6., with claim rotational molding technology method according to claim 4, it is characterized in that, the mould heating-up time is 2 ~ 4min.
7. rotational molding technology method according to claim 4, is characterized in that, mould rotary speed is 40 ~ 60rpm, and the rotating ratio of rotary main shaft and countershaft is 1:6.
CN201310536354.3A 2013-11-01 2013-11-01 Rotational molding die, and rotational molding method Active CN104608303B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310536354.3A CN104608303B (en) 2013-11-01 2013-11-01 Rotational molding die, and rotational molding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310536354.3A CN104608303B (en) 2013-11-01 2013-11-01 Rotational molding die, and rotational molding method

Publications (2)

Publication Number Publication Date
CN104608303A true CN104608303A (en) 2015-05-13
CN104608303B CN104608303B (en) 2017-02-01

Family

ID=53143063

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310536354.3A Active CN104608303B (en) 2013-11-01 2013-11-01 Rotational molding die, and rotational molding method

Country Status (1)

Country Link
CN (1) CN104608303B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106217721A (en) * 2016-07-20 2016-12-14 湖北民族学院 A kind of rotational molding device and thermoforming process thereof
CN112873650A (en) * 2021-01-13 2021-06-01 深圳市卫特新康泰来医疗器械有限公司 Automatic demoulding mechanism of product
CN113478725A (en) * 2017-04-26 2021-10-08 佳能株式会社 Method for producing an assembled product and assembly device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080181981A1 (en) * 2001-07-18 2008-07-31 Allergan, Inc. Rotational molding system for medical articles
CN101811337A (en) * 2010-02-11 2010-08-25 博谊(上海)工业有限公司 Rotating forming processing device
CN201701605U (en) * 2010-04-12 2011-01-12 博谊(上海)工业有限公司 Novel anaesthesia breathing mask
CN102553051A (en) * 2011-12-14 2012-07-11 李丹青 Airbag-type integrated anaesthetic mask and processing method thereof
CN102921086A (en) * 2005-07-19 2013-02-13 瑞思迈研究与开发德国有限公司 A respiratory mask and method for manufacturing a respiratory mask
CN203600502U (en) * 2013-11-01 2014-05-21 博谊(上海)工业有限公司 Rotating forming die

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080181981A1 (en) * 2001-07-18 2008-07-31 Allergan, Inc. Rotational molding system for medical articles
CN102921086A (en) * 2005-07-19 2013-02-13 瑞思迈研究与开发德国有限公司 A respiratory mask and method for manufacturing a respiratory mask
CN101811337A (en) * 2010-02-11 2010-08-25 博谊(上海)工业有限公司 Rotating forming processing device
CN201701605U (en) * 2010-04-12 2011-01-12 博谊(上海)工业有限公司 Novel anaesthesia breathing mask
CN102553051A (en) * 2011-12-14 2012-07-11 李丹青 Airbag-type integrated anaesthetic mask and processing method thereof
CN203600502U (en) * 2013-11-01 2014-05-21 博谊(上海)工业有限公司 Rotating forming die

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
卓昌明: "《塑料应用技术手册》", 31 May 2013, 机械工业出版社 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106217721A (en) * 2016-07-20 2016-12-14 湖北民族学院 A kind of rotational molding device and thermoforming process thereof
CN106217721B (en) * 2016-07-20 2019-11-22 湖北民族学院 A rotational molding device and its heating forming process
CN113478725A (en) * 2017-04-26 2021-10-08 佳能株式会社 Method for producing an assembled product and assembly device
US11584052B2 (en) 2017-04-26 2023-02-21 Canon Kabushiki Kaisha Method of producing assembled product and assembling apparatus
CN112873650A (en) * 2021-01-13 2021-06-01 深圳市卫特新康泰来医疗器械有限公司 Automatic demoulding mechanism of product

Also Published As

Publication number Publication date
CN104608303B (en) 2017-02-01

Similar Documents

Publication Publication Date Title
CN101664995B (en) Filling machine integrated with blanking, bottle blowing, cleaning, filling and sealing
EP2818294B1 (en) Rtm method
CN104608303A (en) Rotational molding die, and rotational molding method
TW200936352A (en) Improved system for manufacturing of foamed plastic material products, such as EVA, particularly soles or other products with lightness and comfort features
CN102166807A (en) Toothbrush handle secondary injection molding method and system for implementing the method
CN104476717B (en) A kind of bi-plastics injection forming machine and forming method thereof
CN203600502U (en) Rotating forming die
CN108081533A (en) The pouring-in pressurize Shooting Technique of compressed air
CN207240616U (en) A kind of latex pillow line automatic open-close mold mechanism
CN107803971A (en) A kind of packing plastics crush hot-melting and injection-molding machine
CN203391187U (en) Device for forming upper rubber layer of rubber diaphragm of automobile brake chamber
CN202528386U (en) Rotor injection molding machine of micromotor
CN106273159A (en) Automatically the sole of delivery die sinking manufactures equipment
CN102837417B (en) One-step three-station injecting, drawing and blowing plastic molding machine
CN106903836A (en) The injector of the no waste mine demoulding
CN102267224A (en) Quick-cooling heated mold injection molding process and equipment thereof
CN106005601A (en) Novel thermal shrinkage furnace
CN205467068U (en) Mould gating system
CN204414499U (en) A kind of multimode injection mould
CN104369299B (en) A kind of double-colored slush molding machine
CN105619715A (en) Automatic production equipment for tableware
CN208615183U (en) A kind of binary channels conveying injection molding machine
CN103786305B (en) Fan member shaped device
CN202952460U (en) Fan component moulding device
CN211730131U (en) Feeding mechanism for injection molding machine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant