CN112606335A - Air bag die capable of achieving rapid demoulding and rapid demoulding method - Google Patents

Air bag die capable of achieving rapid demoulding and rapid demoulding method Download PDF

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Publication number
CN112606335A
CN112606335A CN202110076206.2A CN202110076206A CN112606335A CN 112606335 A CN112606335 A CN 112606335A CN 202110076206 A CN202110076206 A CN 202110076206A CN 112606335 A CN112606335 A CN 112606335A
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CN
China
Prior art keywords
air bag
die
upper die
mold core
core
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
CN202110076206.2A
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Chinese (zh)
Inventor
高道旭
侯淼予
张极玲
张志伟
赵连和
纪磊
张延勇
李小兵
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.)
Henan Dalin Rubber And Telecommunications Apparatus Co ltd
Original Assignee
Henan Dalin Rubber And Telecommunications Apparatus 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 Henan Dalin Rubber And Telecommunications Apparatus Co ltd filed Critical Henan Dalin Rubber And Telecommunications Apparatus Co ltd
Publication of CN112606335A publication Critical patent/CN112606335A/en
Pending legal-status Critical Current

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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
    • B29C45/2602—Mould construction elements
    • 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
    • B29C45/2608—Mould seals
    • 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
    • B29C45/34—Moulds having venting 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
    • B29C45/43—Removing or ejecting moulded articles using fluid under pressure
    • 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
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C45/7312—Construction of heating or cooling fluid flow channels
    • 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
    • B29C45/82—Hydraulic or pneumatic circuits
    • 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
    • B29C45/82—Hydraulic or pneumatic circuits
    • B29C2045/822—Pneumatic circuits
    • 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
    • B29L2022/00—Hollow articles
    • B29L2022/02—Inflatable articles
    • B29L2022/027—Air bags

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

Abstract

The invention discloses an air bag die capable of realizing rapid demoulding and a rapid demoulding method, wherein the air bag die comprises an upper die, a lower die and a die core, wherein the upper die and the lower die are matched with each other to form a die cavity, the die core is placed in the die cavity and is connected with a pull rod penetrating through the upper die, the pull rod is a hollow tube, one end of the pull rod is communicated with an injection molding machine and a high-pressure gas pipeline through a three-way switch valve, the other end of the pull rod penetrates through the die core and is communicated with the die cavity at the bottom of the die core, the upper die and the lower die are double-layer shells forming a sealing interlayer, a heating pipeline communicated with the sealing interlayer inside the; the structure of the air bag is changed on the basis of the existing die, the air bag is inflated through the pipeline, automatic demolding of the air bag is realized through the tension of the air bag, and meanwhile, the heating device and the exhaust structure are changed, so that the rapid heating and exhaust operation is realized, and the product quality and the working efficiency of people are improved.

Description

Air bag die capable of achieving rapid demoulding and rapid demoulding method
The technical field is as follows:
the invention relates to an air bag die, in particular to an air bag die capable of being rapidly demolded and a rapid demolding method.
Background art:
the air bag demoulding device is a device for separating the air bag in a mould, so that the labor is saved, and the adverse effect of some dangerous conditions on the human safety of workers in the air bag demoulding process is avoided.
However, the existing air bag demoulding is usually completed by manual operation, which is time-consuming and labor-consuming, and has certain danger in the air bag demoulding process, and threatens the personal safety of workers, so that the corresponding demoulding device is usually adopted for operation, but the demoulding operation is often required after the demoulding device is transported and moved, and the operation is troublesome, so that a new demoulding mode is required to improve the working efficiency and reduce the labor intensity of personnel.
The invention content is as follows:
the technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the structure of the die is changed on the basis of the existing die, the air bag is inflated through the pipeline, automatic demolding of the air bag is realized through self tension, meanwhile, the heating device and the exhaust structure are changed, rapid heating and exhaust operations are realized, and the quality of products and the work efficiency of people are improved.
The technical scheme of the invention is as follows: the utility model provides an air bag gasbag mould of fast demoulding, includes mould, lower mould and mold core, characterized by: the upper die and the lower die are matched with each other to form a die cavity, the die core is placed in the die cavity and is connected with a pull rod penetrating through the upper die, the pull rod is a hollow tube, one end of the mould core is communicated with an injection molding machine, the other end of the mould core penetrates through the mould core and is communicated with the mould cavity at the bottom of the mould core, an air charging device communicated with the die cavity penetrates through the die core, the upper die comprises a first upper die, a second upper die and a third upper die which are sequentially stacked upwards, the first upper die, the second upper die, the third upper die and the lower die are all double-layer shells forming a sealing interlayer, and a heating pipeline communicated with the sealing interlayer inside the mold core is arranged on the mold core, a conical sealing block is arranged between the mold core and the pull rod, the mold core is including being cylindric last mold core and being the lower mold core of round platform form, goes up the mold core setting on the upper bottom of mold core down, the pull rod penetrates from the bottom of last mold core and wears out from the lower mold core from the top of mold core.
Furthermore, the inflation device comprises a high-pressure gas pipeline and a three-way switch valve, the high-pressure gas pipeline is communicated with the pull rod through the three-way switch valve, the three-way switch valve is an electric three-way switch valve, and a pressure gauge is arranged on the high-pressure gas pipeline.
Furthermore, the inflation device is a high-pressure air pipe parallel to the pull rod, one end of the high-pressure air pipe penetrates through the mold core and is communicated with the mold cavity at the bottom of the mold core, the other end of the high-pressure air pipe is communicated with a high-pressure air pipeline through a switch, the two high-pressure air pipes are symmetrical, the pull rod is arranged, and a pressure gauge is arranged on the high-pressure air pipeline.
Further, the axes of the first upper die, the second upper die and the third upper die are overlapped, the first upper die is provided with a fixing plate which is of an integrated structure, the fixing plate is provided with a fixing bolt, and the fixing bolt extends into a screw hole in the third upper die.
Furthermore, the heating pipeline comprises an inlet pipe and an outlet pipe, and a blocking clapboard is arranged in a sealing interlayer between the inlet pipe and the outlet pipe.
Furthermore, the contact surface between the second upper die and the first upper die and the third upper die is set to be a frosted surface.
Furthermore, the heating pipeline is connected with a heating device and performs flow circulation with the sealing interlayer.
A quick demoulding method of an air bag mould with quick demoulding comprises the following steps: after the air bag is manufactured, the three-way switch valve acts to enable the pull rod to be communicated with the high-pressure gas pipeline, the air bag sleeved on the mold core is inflated through the high-pressure gas pipeline, the air bag is inflated and expanded, a bag opening of the air bag is expanded under the action of the expansion force, and the air bag automatically falls off from the mold core and falls on the lower mold.
Furthermore, in the process of inflating the air bag, the air bag moves downwards on the mold core, so that the mold core is pressed against the bag opening of the air bag to expand and enlarge, and finally the bag opening of the air bag is separated from the mold core.
Furthermore, a pressure gauge is arranged on the high-pressure gas pipeline.
The invention has the beneficial effects that:
1. the structure of the air bag is changed on the basis of the existing die, the air bag is inflated through the pipeline, automatic demolding of the air bag is realized through the tension of the air bag, and meanwhile, the heating device and the exhaust structure are changed, so that the rapid heating and exhaust operation is realized, and the product quality and the working efficiency of people are improved.
2. The upper die comprises a first upper die, a second upper die and a third upper die, and air in the die cavity is quickly exhausted through a gap between the second upper die and the first upper die and a gap between the second upper die and the third upper die, so that the influence on the quality of a product due to the accumulation of the air is prevented, and the working efficiency is improved.
3. According to the invention, the first upper die, the second upper die, the third upper die and the lower die are changed into a double-layer die wall, and the heating medium is filled in the interlayer formed by the double-layer die wall through the heating pipeline, so that the heating medium flows in the interlayer to heat the die, the heating speed is high, the heating is uniform, the air is not contacted, the heat loss is reduced, and the product quality is not ensured.
4. The heating pipeline comprises an inlet pipe and an outlet pipe, and a blocking clapboard is arranged between the inlet pipe and the outlet pipe, so that the heating medium entering the sealing interlayer from the inlet pipe flows to the outlet pipe along the sealing interlayer and flows out from the outlet pipe, and the continuous heating of the die is completed
5. According to the invention, the first upper die is provided with the fixing plate which is integrated with the first upper die, the fixing bolt is arranged on the fixing plate, and the fixing bolt extends into the screw hole on the third upper die to complete the fixed connection of the first upper die and the third upper die, so that the first upper die and the third upper die are convenient to disassemble.
6. The high-pressure gas pipeline is communicated with the pull rod through the three-way switch valve to complete the switching operation of injection molding and inflation demoulding, and the pressure gauge is arranged on the high-pressure gas pipeline, so that the pressure in the air bag can be monitored, and the air bag is prevented from being damaged due to the fact that the air pressure rises too fast.
7. According to the invention, the contact surfaces between the second upper die and the first upper die and between the second upper die and the third upper die are frosted surfaces, gaps are formed between the frosted surfaces, and air in the die cavity can escape from the gaps between the frosted surfaces, so that the air is prevented from being stored in the grooves to influence the product quality.
Description of the drawings:
fig. 1 is a schematic structural view of a rapid-demolding air bag airbag mold.
Fig. 2 is a schematic structural view of the upper die and the die core.
Fig. 3 is a schematic structural view of the lower die.
FIG. 4 is a longitudinal plan view of FIG. 1.
FIG. 5 is a longitudinal plan view of the first mold core.
Fig. 6 is a schematic structural view of a joint of the first upper die, the second upper die and the third upper die.
Fig. 7 is a sectional view a-a of fig. 4.
FIG. 8 is a longitudinal plan view of the second mold core.
The specific implementation mode is as follows:
example (b): referring to fig. 1, 2, 3, 4, 5, 6, 7 and 8, in the drawings, 1-upper die, 2-lower die, 3-die core, 4-pull rod, 5-fixing plate, 6-fixing bolt, 7-inlet pipe, 8-outlet pipe, 9-blocking clapboard, 10-sealing interlayer, 11-conical sealing block, 13-high-pressure air pipe; 1 a-a first upper die, 1 b-a second upper die, 1 c-a third upper die; 3 a-upper mold core and 3 b-lower mold core.
An air bag die capable of achieving rapid demoulding and a rapid demoulding method comprise an upper die, a lower die and a die core, wherein the upper die and the lower die are matched with each other to form a die cavity, the die core is placed in the die cavity and is connected with a pull rod penetrating through the upper die, the pull rod is a hollow tube, one end of the pull rod is communicated with an injection molding machine and a high-pressure gas pipeline through a three-way switch valve, the other end of the pull rod penetrates through the die core and is communicated with the die cavity at the bottom of the die core, the upper die comprises a first upper die, a second upper die and a third upper die which are sequentially stacked upwards, the first upper die, the second upper die, the third upper die and the lower die are double-layer shells forming a sealing interlayer, a; the structure of the air bag is changed on the basis of the existing die, the air bag is inflated through the pipeline, automatic demolding of the air bag is realized through the tension of the air bag, and meanwhile, the heating device and the exhaust structure are changed, so that the rapid heating and exhaust operation is realized, and the product quality and the working efficiency of people are improved.
The present application will be described in detail below with reference to the drawings and examples.
The first embodiment is as follows: go up mould 1 and lower mould 2 and mutually support and form the die cavity, mold core 3 is placed in the die cavity, and be connected with pull rod 4 that runs through last mould 1, pull rod 4 is the hollow tube, its one end passes through three way switch valve and injection molding machine and high-pressure gas pipeline intercommunication, the other end runs through mold core 3 and communicates with the die cavity in mold core 3 bottom, it includes the first mould 1a of going up that stacks the placement in proper order to go up mould 1b and the third mould 1c, first mould 1a of going up, mould 1b is gone up to the second, mould 1c and lower mould 2 are the double-deck casing that forms sealed intermediate layer 10 in the third, and be provided with the heating tube rather than inside sealed intermediate layer 10 intercommunication on it, be provided with toper sealing block 11 between mold core 3 and the pull rod.
The mold core 3 comprises a cylindrical upper mold core 3a and a lower mold core 3b in a circular truncated cone shape, the upper mold core 3a is arranged on the upper bottom of the lower mold core 3b, and the pull rod 4 penetrates from the top of the upper mold core 3a and penetrates out from the bottom of the lower mold core 3 b.
The axes of the first upper die 1a, the second upper die 1b and the third upper die 1c are coincident, the first upper die 1a is provided with a fixing plate 5 which is integrated with the first upper die, the fixing plate 5 is provided with a fixing bolt 6, and the fixing bolt 6 extends into a screw hole in the third upper die 1 c.
The heating pipeline comprises an inlet pipe 7 and an outlet pipe 8, and a blocking partition plate 9 is arranged in a sealing interlayer 10 between the inlet pipe 7 and the outlet pipe 8. The contact surface between the second upper die 1b and the first upper die 1a and the third upper die 1c is set as a frosted surface.
The heating pipe is connected to a heating device and performs a flow circulation with the sealing interlayer 10. The three-way switch valve is an electric three-way switch valve, and a pressure gauge is arranged on the high-pressure gas pipeline.
Example two:
the present embodiment is an improvement on the first embodiment, the improvement is different from the inflation device, the other technical features are the same, and the difference is as follows: the inflation device is the high-pressure air pipe 13 parallel with pull rod 4, and high-pressure air pipe 13 one end runs through mold core 3 and communicates with the die cavity in mold core 3 bottom, and the other end passes through the switch and communicates with the high-pressure gas pipeline, and high-pressure air pipe 13 is two, and symmetrical pull rod 4 sets up, is provided with the manometer on the high-pressure gas pipeline.
A quick demoulding method of an air bag mould with quick demoulding comprises the following steps: after the air bag is manufactured, the three-way switch valve acts to enable the pull rod 4 to be communicated with the high-pressure gas pipeline (the high-pressure gas pipeline is communicated with the high-pressure gas pipe through the switch), the air bag sleeved on the mold core 3 is inflated through the high-pressure gas pipeline, the air bag is inflated and expanded, the bag opening of the air bag is expanded under the action of the expansion force, and the air bag automatically falls off from the mold core 3 and falls on the lower mold 2.
In the process of inflating the air bag, the air bag moves downwards on the mold core 3, so that the mold core 3 is pressed against the bag opening of the air bag to expand and enlarge, and finally the bag opening of the air bag is separated from the mold core 3. The high-pressure gas pipeline is provided with a pressure gauge.
When the injection molding machine is used, the first upper die 1a, the second upper die 1b and the third upper die 1c are sequentially stacked upwards and then fixedly connected through the fixing bolts 6 to form the upper dies, the upper dies 1 and the lower dies 2 are matched to form a die cavity, the die core 3 is arranged at the top of the upper dies 1 under the action of the pull rod 4, the injection molding machine adds injection molding materials into the die cavity through the pull rod 4, in the injection molding process, air in the die cavity can escape from gaps between frosted surfaces, so that the whole die cavity is filled with the plastics, after the plastics are molded in the die cavity, the heating device conveys the heating medium into the sealing interlayer 10 through the inlet pipe 7, and due to the blocking of the blocking partition plate 9, the heating medium flows around the die along the sealing interlayer 10 and finally returns to the heating device from the outlet pipe 8, so that the heating; after the air bag is manufactured, the pull rod 4 is communicated with the high-pressure gas pipeline through the action of the switch valve, the air bag sleeved on the mold core 3 is inflated through the high-pressure gas pipeline, the air bag is inflated and expanded, the air bag moves downwards on the mold core 3, the mold core 3 is pressed against a bag opening of the air bag, the air bag is expanded and enlarged, the bag opening of the air bag is separated from the mold core 3 and falls on the lower mold 2, and the pressure in the air bag is observed through the pressure gauge in the inflating process; and finally, polishing the air bag corresponding to the joint of the frosted surface.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent variations and modifications made to the above embodiment according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides an air bag gasbag mould of fast demoulding, includes mould, lower mould and mold core, characterized by: the upper die and the lower die are matched with each other to form a die cavity, the die core is placed in the die cavity and is connected with a pull rod penetrating through the upper die, the pull rod is a hollow tube, one end of the mould core is communicated with an injection molding machine, the other end of the mould core penetrates through the mould core and is communicated with the mould cavity at the bottom of the mould core, an air charging device communicated with the die cavity penetrates through the die core, the upper die comprises a first upper die, a second upper die and a third upper die which are sequentially stacked upwards, the first upper die, the second upper die, the third upper die and the lower die are all double-layer shells forming a sealing interlayer, and a heating pipeline communicated with the sealing interlayer inside the mold core is arranged on the mold core, a conical sealing block is arranged between the mold core and the pull rod, the mold core is including being cylindric last mold core and being the lower mold core of round platform form, goes up the mold core setting on the upper bottom of mold core down, the pull rod penetrates from the bottom of last mold core and wears out from the lower mold core from the top of mold core.
2. The quick release air bag bladder mold of claim 1 wherein: the inflation device comprises a high-pressure gas pipeline and a three-way switch valve, the high-pressure gas pipeline is communicated with the pull rod through the three-way switch valve, the three-way switch valve is an electric three-way switch valve, and a pressure gauge is arranged on the high-pressure gas pipeline.
3. The quick release air bag bladder mold of claim 1 wherein: the inflation device is a high-pressure air pipe parallel to the pull rod, one end of the high-pressure air pipe penetrates through the mold core and is communicated with the mold cavity at the bottom of the mold core, the other end of the high-pressure air pipe is communicated with a high-pressure air pipeline through a switch, the two high-pressure air pipes are symmetrical, the pull rod is arranged, and a pressure gauge is arranged on the high-pressure air pipeline.
4. The quick release air bag bladder mold of claim 1 wherein: the axis coincidence of mould three is gone up to first mould, second and third, be provided with the fixed plate of structure as an organic whole with it on the first mould, and be provided with fixing bolt on the fixed plate, fixing bolt stretches into in the screw hole on the mould on the third.
5. The quick release air bag bladder mold of claim 1 wherein: the heating pipeline comprises an inlet pipe and an outlet pipe, and a blocking clapboard is arranged in a sealing interlayer between the inlet pipe and the outlet pipe.
6. The quick release air bag bladder mold of claim 1 wherein: and the contact surface between the second upper die and the first upper die and the third upper die is a frosted surface.
7. The quick release air bag bladder mold of claim 1 wherein: the heating pipeline is connected with the heating device and performs flow circulation with the sealing interlayer.
8. A method of rapid release from a rapidly releasing air bag bladder mold according to any one of claims 1 to 7, comprising: after the air bag is manufactured, the three-way switch valve acts to enable the pull rod to be communicated with the high-pressure gas pipeline, the air bag sleeved on the mold core is inflated through the high-pressure gas pipeline, the air bag is inflated and expanded, a bag opening of the air bag is expanded under the action of the expansion force, and the air bag automatically falls off from the mold core and falls on the lower mold.
9. The method of rapid demold of air bag bladder mold of claim 8 wherein: in the process of inflating the air bag, the air bag moves downwards on the mold core, so that the mold core is pressed against the bag opening of the air bag to expand and enlarge, and finally the bag opening of the air bag is separated from the mold core.
10. The method of rapid demold of air bag bladder mold of claim 8 wherein: and a pressure gauge is arranged on the high-pressure gas pipeline.
CN202110076206.2A 2020-09-27 2021-01-20 Air bag die capable of achieving rapid demoulding and rapid demoulding method Pending CN112606335A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011029248 2020-09-27
CN2020110292482 2020-09-27

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Publication Number Publication Date
CN112606335A true CN112606335A (en) 2021-04-06

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Application Number Title Priority Date Filing Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115742182A (en) * 2022-11-21 2023-03-07 启东惠达减震科技有限公司 Plugging air bag forming device with directional demolding function
CN117885272A (en) * 2024-01-31 2024-04-16 宁波富佳斯模塑科技有限公司 Injection mold for drawer of automobile armrest box

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115742182A (en) * 2022-11-21 2023-03-07 启东惠达减震科技有限公司 Plugging air bag forming device with directional demolding function
CN115742182B (en) * 2022-11-21 2023-09-19 启东惠达减震科技有限公司 Plugging air bag forming device with directional demolding function
CN117885272A (en) * 2024-01-31 2024-04-16 宁波富佳斯模塑科技有限公司 Injection mold for drawer of automobile armrest box

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