CN111086164A - Insert structure of automobile airbag box - Google Patents
Insert structure of automobile airbag box Download PDFInfo
- Publication number
- CN111086164A CN111086164A CN202010207183.XA CN202010207183A CN111086164A CN 111086164 A CN111086164 A CN 111086164A CN 202010207183 A CN202010207183 A CN 202010207183A CN 111086164 A CN111086164 A CN 111086164A
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- CN
- China
- Prior art keywords
- mold core
- insert
- groove
- mold
- recess
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
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- 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
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
- B29L2031/3038—Air bag covers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Air Bags (AREA)
Abstract
The invention discloses an automobile airbag box insert structure which comprises a lower die and a product, wherein a groove is formed in the lower surface of the product, a cover plate is arranged at the upper end in the groove, an adhesive tape is arranged between the cover plate and the inner wall of the groove, a first die core for forming the part of the groove far away from the adhesive tape and a second die core for forming the part of the groove close to the adhesive tape are respectively arranged on the upper surface of the lower die, an L-shaped groove is formed in the upper surface of the first die core, the second die core is arranged in the L-shaped groove, and the second die core is detachably connected with the L-shaped groove.
Description
Technical Field
The invention relates to the field of injection molds, in particular to an insert structure of an automobile airbag box.
Background
The automobile air bag box is one of the important spare parts of car, and the automobile air bag box forms through injection mold moulding plastics, has the apron on the automobile air bag box, and the apron passes through the adhesive tape and is articulated with the automobile air bag box, and the thickness of adhesive tape is very thin, according to prior art, the too thick upset of the apron of being not convenient for of thickness of adhesive tape, and the thickness of adhesive tape is too thin, and the intensity of adhesive tape is too low, and the adhesive tape is easy fracture at the upset in-process of apron, and the rejection rate is high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: overcome above prior art's defect, provide an automobile airbag box mold insert structure that rejection rate is low.
The technical scheme adopted by the invention is as follows: the utility model provides a car gasbag box mold insert structure, includes lower mould and product, the product lower surface be equipped with the recess, the recess in the upper end be equipped with the apron, apron and recess inner wall between be equipped with the adhesive tape, the lower mould upper surface be equipped with respectively and be used for the shaping recess to keep away from the first mold core of the part of adhesive tape and be used for the second mold core of the part of the nearly adhesive tape of shaping recess, first mold core upper surface be equipped with L type recess, the second mold core establish in L type recess, second mold core and L type recess detachable connection.
After adopting the structure, compared with the prior art, the invention has the following advantages: establish first mold core and second mold core, the second mold core is used for shaping product adhesive tape part, and first mold core is used for other positions of shaping product, utilizes second mold core and first mold core releasable connection to realize the change of second mold core, changes different second mold cores, is convenient for adjust the thickness of adhesive tape, makes the thickness of adhesive tape reach the requirement, and the rejection rate is low, and the reliability is high.
Preferably, the side surface of the groove is provided with a dovetail groove, the side surface of the second mold core is provided with a bulge protruding out of the side surface of the second mold core, the bulge is in up-and-down sliding fit in the dovetail groove, the structure is simple, the connection is reliable, the second mold core cannot easily leave the first mold core, and the second mold core is convenient to mount and dismount.
Preferably, the second mold core comprises at least one insert, the protrusion is arranged on the insert, the clamping protrusion is arranged on the bottom surface of the insert, clamping grooves clamped with the clamping protrusion are formed in the bottoms of the L-shaped grooves, the clamping grooves correspond to the inserts one to one, the structure is simple, and the insert is convenient to replace and install.
Preferably, the number of the inserts is three, so that the effect is optimal.
Preferably, the mold further comprises an ejector rod used for ejecting the second mold core, a guide channel is arranged on the surface of the first mold core, the guide channel penetrates through the clamping groove upwards, an open groove is formed in the bottom of the clamping protrusion, and the ejector rod penetrates through the guide channel upwards and extends into the open groove, so that the second mold core is ejected conveniently, and the second mold core is convenient to replace.
Preferably, a cooling channel is arranged in the insert, so that the adhesive tape part can be cooled conveniently, and the product forming time is reduced.
Preferably, the ejection mechanism further comprises an ejector pin, a first protrusion protruding out of the bottom surface of the first mold core is arranged on the bottom surface of the first mold core, the first mold core is clamped on the lower mold through the first protrusion, a first groove is formed in the upper surface of the first mold core, an insert is arranged in the first groove, a first guide channel is arranged on the bottom surface of the first protrusion, a second guide channel is arranged on the insert, and the ejector pin sequentially penetrates through the first guide channel and the second guide channel upwards and abuts against the bottom surface of the cover plate, so that a product can be ejected conveniently.
Drawings
FIG. 1 is a front cross-sectional view of an automotive airbag case insert construction of the present invention;
FIG. 2 is a perspective view of the insert structure of the airbag housing of the vehicle of the present invention;
FIG. 3 is a perspective view of a first mold core and a second mold core of the automotive airbag case insert structure of the present invention;
FIG. 4 is a perspective view of a first mold core of the vehicle airbag case insert structure of the present invention;
FIG. 5 is a perspective view of a second mold core of the vehicle airbag case insert structure of the present invention;
FIG. 6 is an angled perspective view of an article of the automotive airbag case insert structure of the present invention;
fig. 7 is a perspective view of another angle of the product of the insert structure for an airbag case of an automobile according to the present invention.
The mold comprises a mold body, a product, 2, a groove, 3, a cover plate, 4, a rubber strip, 5, a first mold core, 6, a second mold core, 7, an L-shaped groove, 8, a dovetail groove, 9, a protrusion, 10, an insert, 11, a clamping protrusion, 12, a clamping groove, 13, a guide channel, 14, an open groove, 15, a cooling channel, 16, a first protrusion, 17, a first groove, 18, an insert, 19, an ejector pin, 20, a first guide channel, 21 and a second guide channel.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in the figure, the invention provides an automobile airbag box insert structure, which comprises a lower die and a product 1, wherein a groove 2 is formed in the lower surface of the product 1, a cover plate 3 is arranged at the upper end in the groove 2, an adhesive tape 4 is arranged between the cover plate 3 and the inner wall of the groove 2, a first die core 5 for forming the part of the groove 2 far away from the adhesive tape 4 and a second die core 6 for forming the part of the groove 2 close to the adhesive tape 4 are respectively arranged on the upper surface of the lower die, an L-shaped groove 7 is arranged on the upper surface of the first die core 5, the second die core 6 is arranged in the L-shaped groove 7, the second die core 6 is detachably connected with the L-shaped groove 7, the automobile airbag box insert structure has the advantages that the first die core 5 and the second die core 6 are detachably arranged, the second die core 6 is used for forming the adhesive tape part of the product 1, the first die core 5 is used for forming other parts of the product 1, and the, the different second mold cores 6 are replaced, the thickness of the rubber strip 4 is convenient to adjust, the thickness of the rubber strip 4 meets the requirement, the rejection rate is low, the reliability is high, and the L-shaped groove 7 is convenient for the second mold cores 6 to be connected with the first mold cores 5.
The L-shaped groove 7 is provided with a dovetail groove 8 on the side surface, the second mold core 6 is provided with a bulge 9 protruding out of the side surface of the second mold core 6 on the side surface, the bulge 9 is in up-and-down sliding fit in the dovetail groove 8, the structure is simple, the connection is reliable, the second mold core cannot leave the first mold core 5 easily, and the second mold core 6 is convenient to install and disassemble.
The second mold core 6 comprises at least one insert 10, the bulge 9 is arranged on the insert 10, the clamping bulge 11 is arranged on the bottom surface of the insert 10, the bottom of the L-shaped groove 7 is provided with clamping grooves 12 clamped with the clamping bulge 11, the clamping grooves 12 correspond to the insert 10 one by one, the structure is simple, and the insert 10 is convenient to replace and install.
The number of the insert 10 is three, and the effect is optimal.
It still includes the ejector pin that is used for 6 ejecting of second mold cores, 5 basal surfaces of first mold cores be equipped with guide channel 13, guide channel 13 upwards run through draw-in groove 12, the protruding 11 bottoms of joint be equipped with open slot 14, the ejector pin upwards pass guide channel 13 and stretch in open slot 14, be convenient for ejecting 6 second mold cores, be convenient for the change of second mold cores 6.
The insert 10 is internally provided with a cooling channel 15, so that the adhesive tape 4 can be cooled conveniently, and the forming time of the product 1 is reduced.
The mold comprises a first mold core 5 and a second mold core 5, and is characterized by further comprising a thimble 19, wherein a first bulge 16 protruding out of the bottom surface of the first mold core 5 is arranged on the bottom surface of the first mold core 5, the first mold core 5 is clamped on a lower mold through the first bulge 16, a first groove 17 is arranged on the upper surface of the first mold core 5, an insert 18 is arranged in the first groove 17, a first guide channel 20 is arranged on the bottom surface of the first bulge 16, a second guide channel 21 is arranged on the insert 18, the thimble 19 upwards sequentially passes through the first guide channel 20 and the second guide channel 21 and is propped against the bottom surface of the cover plate 3, so that a product 1 can be conveniently ejected out, and the insert 18 is convenient for ensuring the strength of the first mold core 5 and.
Specifically, the principle of the invention is that a first mold core 5 and a second mold core 6 are arranged, the second mold core 6 is used for molding the rubber strip part of the product 1, the first mold core 5 is used for molding other parts of the product 1, the second mold core 6 is replaced by detachably connecting the second mold core 6 and the first mold core 5, different second mold cores 6 are replaced, the thickness of the rubber strip 4 is conveniently adjusted, the thickness of the rubber strip 4 meets the requirement, the rejection rate is low, and the reliability is high.
The action process is as follows: firstly, when the mold is opened, the product 1 is ejected out by the ejector pin 19; secondly, the insert 10 is ejected upwards by utilizing an ejector rod, the clamping bulge 11 is separated from the clamping groove 12, and meanwhile, the insert 10 is matched on the first mold core 5 upwards in a sliding mode, so that the insert 10 is disassembled; and thirdly, when the insert 10 is installed, the bulge 9 of the insert 10 is in sliding fit in the dovetail groove 8 until the clamping bulge 11 of the insert 10 is clamped in the clamping groove 12, so that the installation of the insert 10 is realized, and the thickness of the hinge area of the automobile airbag box is convenient to adjust.
The foregoing has described preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary, and various changes made within the scope of the independent claims of the present invention are within the scope of the present invention.
Claims (7)
1. The utility model provides an automobile airbag box mold insert structure, includes lower mould and product (1), product (1) lower surface be equipped with recess (2), recess (2) in the upper end be equipped with apron (3), apron (3) and recess (2) inner wall between be equipped with adhesive tape (4), its characterized in that: the lower mould upper surface be equipped with respectively and be used for shaping first mold core (5) of the part that adhesive tape (4) were kept away from in recess (2) and be used for shaping second mold core (6) of the part that adhesive tape (4) were close in recess (2), first mold core (5) upper surface be equipped with L type recess (7), second mold core (6) establish in L type recess (7), second mold core (6) and L type recess (7) detachable connections.
2. The automotive airbag box insert structure according to claim 1, wherein: the L-shaped groove (7) is provided with a dovetail groove (8) on the side surface, the second mold core (6) is provided with a bulge (9) protruding out of the side surface of the second mold core (6) on the side surface, and the bulge (9) is in up-and-down sliding fit in the dovetail groove (8).
3. The automotive airbag box insert structure according to claim 2, wherein: the second mold core (6) comprises at least one insert (10), the bulge (9) is arranged on the insert (10), the clamping bulge (11) is arranged on the bottom surface of the insert (10), clamping grooves (12) clamped with the clamping bulge (11) are formed in the bottoms of the L-shaped grooves (7), and the clamping grooves (12) correspond to the insert (10) one to one.
4. The automotive airbag box insert structure according to claim 3, wherein: the number of the inserts (10) is three.
5. The automotive airbag box insert structure according to claim 3, wherein: it still includes the ejector pin that is used for ejecting second mold core (6), first mold core (5) basal surface be equipped with guide way (13), guide way (13) upwards run through draw-in groove (12), protruding (11) bottom of joint be equipped with open slot (14), the ejector pin upwards pass guide way (13) and stretch in open slot (14).
6. The automotive airbag box insert structure according to claim 3, wherein: and a cooling channel (15) is arranged in the insert (10).
7. The automotive airbag box insert structure according to claim 1, wherein: the mold comprises a first mold core (5) and is characterized by further comprising a thimble (19), wherein a first protrusion (16) protruding out of the bottom surface of the first mold core (5) is arranged on the bottom surface of the first mold core (5), the first mold core (5) is clamped on a lower mold through the first protrusion (16), a first groove (17) is formed in the upper surface of the first mold core (5), an insert (18) is arranged in the first groove (17), a first guide channel (20) is arranged on the bottom surface of the first protrusion (16), a second guide channel (21) is arranged on the insert (18), and the thimble (19) upwards sequentially passes through the first guide channel (20) and the second guide channel (21) and props against the bottom surface of the cover plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010207183.XA CN111086164B (en) | 2020-03-23 | 2020-03-23 | Insert structure of automobile airbag box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010207183.XA CN111086164B (en) | 2020-03-23 | 2020-03-23 | Insert structure of automobile airbag box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111086164A true CN111086164A (en) | 2020-05-01 |
| CN111086164B CN111086164B (en) | 2020-06-19 |
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ID=70400627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010207183.XA Active CN111086164B (en) | 2020-03-23 | 2020-03-23 | Insert structure of automobile airbag box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111086164B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020079676A1 (en) * | 2000-12-26 | 2002-06-27 | Toyoda Gosei Co., Ltd. | Automobile interior member with air bag cover portion |
| CN100344849C (en) * | 2004-02-27 | 2007-10-24 | 邱则有 | Forming die for component of die body |
| CN101195366A (en) * | 2006-12-06 | 2008-06-11 | 现代自动车株式会社 | Airbag for front passenger seat for vehicle and manufacturing method thereof |
| CN102189641A (en) * | 2010-03-19 | 2011-09-21 | 海尔集团公司 | Internal core pulling injection mold |
| CN203125867U (en) * | 2013-02-21 | 2013-08-14 | 昆山科海模具有限公司 | Universal mould frame |
| CN106182637A (en) * | 2016-08-31 | 2016-12-07 | 宁波方正汽车模具有限公司 | Air bag cover injection mold |
-
2020
- 2020-03-23 CN CN202010207183.XA patent/CN111086164B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020079676A1 (en) * | 2000-12-26 | 2002-06-27 | Toyoda Gosei Co., Ltd. | Automobile interior member with air bag cover portion |
| CN100344849C (en) * | 2004-02-27 | 2007-10-24 | 邱则有 | Forming die for component of die body |
| CN101195366A (en) * | 2006-12-06 | 2008-06-11 | 现代自动车株式会社 | Airbag for front passenger seat for vehicle and manufacturing method thereof |
| CN102189641A (en) * | 2010-03-19 | 2011-09-21 | 海尔集团公司 | Internal core pulling injection mold |
| CN203125867U (en) * | 2013-02-21 | 2013-08-14 | 昆山科海模具有限公司 | Universal mould frame |
| CN106182637A (en) * | 2016-08-31 | 2016-12-07 | 宁波方正汽车模具有限公司 | Air bag cover injection mold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111086164B (en) | 2020-06-19 |
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