CN115609843A - Die and method for fixing net cloth insert of air bag frame - Google Patents
Die and method for fixing net cloth insert of air bag frame Download PDFInfo
- Publication number
- CN115609843A CN115609843A CN202211039210.2A CN202211039210A CN115609843A CN 115609843 A CN115609843 A CN 115609843A CN 202211039210 A CN202211039210 A CN 202211039210A CN 115609843 A CN115609843 A CN 115609843A
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- Prior art keywords
- block
- ejector
- inclined ejector
- plate
- ejecting
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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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
- B29C45/14073—Positioning or centering articles in the mould using means being retractable during injection
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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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a die and a method for fixing an airbag frame mesh fabric insert, wherein the die sequentially comprises a movable die plate, a first ejector plate, a second ejector plate, a bottom plate and an inclined ejector structure from top to bottom, the inclined ejector structure comprises a first inclined ejector, a second inclined ejector and an oil cylinder inclined ejector, the first inclined ejector comprises a first inclined ejector block and a first inclined ejector rod, the first inclined ejector rod is arranged on the first ejector plate, the second inclined ejector comprises a second inclined ejector block and a second inclined ejector rod, and the second inclined ejector rod is arranged on the second ejector plate; the second inclined ejector block is embedded in the upper end of the first inclined ejector block, the oil cylinder inclined ejector comprises an oil cylinder and a third inclined ejector block, and the third inclined ejector block is arranged below the first inclined ejector block. The die and the method provided by the invention well solve the problem that the mesh fabric insert is unstably fixed on the die, the mesh fabric insert can keep the position unchanged in the process of injection molding of the air bag frame, the product is conveniently ejected after being molded, the cost is saved and the production efficiency is improved under the condition of meeting the quality requirement.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to a mold and a method for fixing an airbag frame mesh fabric insert.
Background
The injection molding process refers to a process for manufacturing a product with a certain shape from a molten raw material through operations of pressurization, injection, cooling, separation and the like, the injection molded product has a plurality of types, a pure plastic product with a slightly simple process and mold structure, a process and a mold, and a product with an insert with a complicated process and mold structure, the mesh is the most common insert, particularly, when the airbag part of an automobile instrument panel is subjected to injection molding, a layer of mesh needs to be embedded in the surface of the product to meet the use requirement, and the approximate shape of the mesh is as shown in fig. 1.
In the actual production process, the positioning of the mesh becomes a difficult problem, and the conventional cloth hanging mechanism has the defects that the mesh is not stably fixed on a mould or a cloth hanging needle dent is generated on the surface of a product. Not only wastes raw materials, but also increases the production cycle of products, reduces the whole productivity, and has great hidden quality danger if the product mesh cloth is not deflected and can not be found and is treated as a qualified product.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the die and the method for fixing the net cloth insert of the air bag frame, which have reasonable design, overcome the defects of the prior art and have good effect.
In order to achieve the aim 1, the invention adopts the following technical scheme:
a mould for fixing an airbag frame mesh fabric insert sequentially comprises a movable mould plate, a first-time ejection plate, a second-time ejection plate, a bottom plate and an inclined ejection structure from top to bottom, wherein the inclined ejection structure comprises a first inclined ejector, a second inclined ejector and an oil cylinder inclined ejector, the first inclined ejector comprises a first inclined ejector block and a first inclined ejector rod, the first inclined ejector rod is arranged on the first-time ejection plate, the second inclined ejector comprises a second inclined ejector block and a second inclined ejector rod, and the second inclined ejector rod is arranged on the second-time ejection plate; the second inclined ejecting block is embedded in the upper end of the first inclined ejecting block, the oil cylinder inclined ejector comprises an oil cylinder and a third inclined ejecting block, and the third inclined ejecting block is arranged below the first inclined ejecting block.
Furthermore, the upper end face, the left end face and the lower end face of the first inclined ejecting block are product forming faces, and injection molding cavities are formed between the upper end face of the first inclined ejecting block and the second inclined ejecting block and between the lower end face of the first inclined ejecting block and the third inclined ejecting block.
Furthermore, the third inclined jacking block is fixedly connected with a telescopic rod of an oil cylinder, and the oil cylinder is fixed on the movable template.
Furthermore, the first inclined ejector and the second inclined ejector have different downhill angles, so that the distance between the first inclined ejector block and the second inclined ejector block is gradually increased when the first inclined ejector block and the second inclined ejector block withdraw from a product.
In order to achieve the above object 2, the present invention adopts the following technical scheme:
a method for fixing an airbag frame mesh insert, according to the mold for fixing an airbag frame mesh insert as described above, comprising the steps of:
s1, before die assembly, a first ejector plate and a second ejector plate eject a first inclined ejector block and a second inclined ejector block upwards for a certain distance, the first ejector plate stops moving, and the second ejector plate continues to eject the second inclined ejector block upwards for a certain distance and then stops;
s2, placing the preformed mesh fabric insert on the product molding surface of the second inclined ejecting block by the mechanical arm;
s3, the second ejector plate drives a second inclined ejector block to retreat, the second inclined ejector block and the first inclined ejector block jointly fix the upper end of the mesh fabric insert, and the oil cylinder drives a third inclined ejector block to eject and the third inclined ejector block and the first inclined ejector block jointly fix the lower end of the mesh fabric insert;
s4, the first inclined ejection block, the second inclined ejection block and the third inclined ejection block are retracted into the mold core together, mold assembly and injection molding are carried out, and cooling is carried out after injection molding is finished;
s5, after cooling is completed, the third inclined ejection block is not moved, the first inclined ejection block and the second inclined ejection block are ejected upwards by the first-time ejection plate and the second-time ejection plate together, the first inclined ejection block and the second inclined ejection block are ejected out of a formed product, and the formed product is taken away by a mechanical arm;
and S6, continuously ejecting the second inclined ejection block upwards by the ejection plate for the second time, replacing the preformed mesh by the manipulator, and repeating the steps S3, S4 and S5.
The invention has the following beneficial technical effects:
by adopting the die and the method provided by the invention, the problem that the mesh fabric insert is unstably fixed on the die is well solved, the position of the mesh fabric insert can be kept unchanged in the process of injection molding of the airbag frame, the mesh fabric insert is conveniently ejected out after the product is molded, the cost is saved and the production efficiency is improved under the condition of meeting the quality requirement.
Drawings
FIG. 1 is a cross-sectional view of a mesh insert of the present invention;
FIG. 2 is a schematic view of a mold structure for fixing an airbag frame mesh fabric insert according to the present invention;
FIG. 3 is a cross-sectional view of the first lifter, the second lifter and the cylinder lifter of the present invention;
FIG. 4 is a cross-sectional view of a first ejection of the first lifter and the second lifter in the present invention;
FIG. 5 is a cross-sectional view of a second angled roof for a second ejection in accordance with the present invention;
FIG. 6 is a cross-sectional view of the second lifter retreating and the lifter ejecting of the cylinder in the present invention;
FIG. 7 is a cross-sectional view of the mold and product after injection molding in accordance with the present invention;
FIG. 8 is a cross-sectional view of the mold and product with the robot removing the product in accordance with the present invention;
1-a first pitched roof; 101-a first lifter block; 102-a first lifter; 2-a second pitched roof; 201-a second angle block; 202-a second lifter; 3-obliquely jacking the oil cylinder; 301-a third slanted ejecting block; 302-oil cylinder; 4-mesh fabric insert; 5-products;
Detailed Description
The drawings are for illustration purposes only and are not to be construed as limiting the invention; the terms "upper," "lower," "front," "rear," and the like, refer to an orientation or positional relationship based on that shown in the drawings, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include at least one of the feature.
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
the utility model provides a mould for fixing gasbag frame net cloth inserts, from the top down includes movable mould board, ejector plate for the first time, ejector plate and bottom plate for the second time in proper order, and both ends symmetry is equipped with the mould foot about on the bottom plate for support the movable mould board and for the ejecting stroke space that provides of shaping back product.
The mold structure further comprises an inclined top structure, as shown in fig. 2 and 3, the inclined top comprises a first inclined top 1, a second inclined top 2 and an oil cylinder inclined top 3, the first inclined top comprises a first inclined top block 101 and a first inclined ejector rod 102, the first inclined ejector rod 102 is arranged on the first ejection plate, the second inclined top 2 comprises a second inclined top block 201 and a second inclined ejector rod 202, the second inclined ejector rod 202 is arranged on the second ejection plate, the oil cylinder inclined top 3 comprises a third inclined top block 301 and an oil cylinder 302, the oil cylinder 302 is fixed on the movable mold plate, and an oil cylinder telescopic rod is fixedly connected with the third inclined top block 301.
The upper end face, the left end face and the lower end face of the first inclined ejecting block 101 are product forming faces, a groove is formed in the upper end face of the first inclined ejecting block, the second inclined ejecting block 201 is arranged in the groove, an injection molding cavity of the side wall of the injection molding product air bag frame is formed between the second inclined ejecting block 201 and the first inclined ejecting block 101, the third inclined ejecting block 301 is located below the first inclined ejecting block 201, and an injection molding cavity of the side wall of the injection molding product air bag frame is formed between the lower end face of the first inclined ejecting block 201 and the third inclined ejecting block 301. Before moulding plastics, first oblique kicking block 101 is ejecting, and the manipulator places screen cloth inserts 4 on the three product shaping face of first oblique kicking block 101, wholly is the n type, and second oblique kicking block 201 and third oblique kicking block 301 can guarantee that first oblique kicking block 101 makes the screen cloth inserts fixed at the in-process that moves back the die cavity, are in quiescent condition, the crooked condition can not appear.
The left end face of the second lifter block is also a product forming face, and because the left end forming face of the first lifter block 101 and the left end forming face of the second lifter block 201 have different slopes, in this embodiment, the downhill angle of the first lifter block 101 and the downhill angle of the second lifter block 201 have a difference of two degrees, that is, the movement angle of the first lifter block 101 and the second lifter block 201 relative to the product 5 has a difference of two degrees, so that the distance between the first lifter block 101 and the second lifter block 201 is larger and larger when the product 5 exits.
A method for fixing an airbag frame mesh fabric insert adopts the mold for fixing an airbag frame mesh fabric insert, and comprises the following steps:
s1, before die assembly, as shown in FIG. 4, after a first inclined ejection block 101 and a second inclined ejection block 201 are ejected upwards by a first inclined ejection rod 102 and a second inclined ejection rod 202 for a certain distance by a first ejector plate and a second ejector plate, the first ejector plate stops moving, and the second ejector plate continues to eject the second inclined ejection block 201 upwards for a certain distance by the second inclined ejection rod 202 and stops, as shown in FIG. 5;
s2, placing the preformed mesh fabric insert 4 on the product molding surface of the first inclined ejecting block 101 by a manipulator;
s3, the second-time ejector plate drives the second inclined ejector block 201 to retreat through the second inclined ejector rod 202, the second inclined ejector block and the first inclined ejector block 101 jointly fix the upper end of the mesh fabric insert 4, the oil cylinder 302 drives the third inclined ejector block 301 to eject, and the third inclined ejector block and the first inclined ejector block 301 jointly fix the lower end of the mesh fabric insert 4, as shown in FIG. 6;
s4, the first inclined ejecting block 101, the second inclined ejecting block 201 and the third inclined ejecting block 301 are retreated into the mold core through the first inclined ejecting plate, the second inclined ejecting plate and the oil cylinder 302, mold closing and injection molding are carried out, and cooling is carried out after the injection molding is finished, as shown in FIG. 7;
s5, after cooling, the third inclined ejecting block 301 is not moved, the first inclined ejecting block 101 and the second inclined ejecting block 201 are ejected upwards together by the first inclined ejecting plate and the second inclined ejecting plate through the first inclined ejecting rod 102 and the second inclined ejecting rod 202, the first inclined ejecting block 101 and the second inclined ejecting block 201 are made to exit from a formed product, and the formed product 5 is taken away by a manipulator as shown in FIG. 8;
and S6, continuously ejecting the second inclined ejection block 201 upwards by the second inclined ejection plate through the second inclined ejection rod 202, placing the preformed mesh fabric insert 4 again by the manipulator, and repeating the steps S3, S4 and S5.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present application.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make various changes, modifications, additions and substitutions within the spirit and scope of the present invention.
Claims (5)
1. A mould for fixing an airbag frame mesh fabric insert sequentially comprises a movable mould plate, a first-time ejection plate, a second-time ejection plate and a bottom plate from top to bottom, and is characterized by further comprising an inclined ejection structure, wherein the inclined ejection structure comprises a first inclined ejector, a second inclined ejector and an oil cylinder inclined ejector, the first inclined ejector comprises a first inclined ejector block and a first inclined ejector rod, the first inclined ejector rod is arranged on the first-time ejection plate, the second inclined ejector comprises a second inclined ejector block and a second inclined ejector rod, and the second inclined ejector rod is arranged on the second-time ejection plate; the second inclined ejecting block is embedded in the upper end of the first inclined ejecting block, the oil cylinder inclined ejector comprises an oil cylinder and a third inclined ejecting block, and the third inclined ejecting block is arranged below the first inclined ejecting block.
2. The mold for fixing the net cloth insert of the air bag frame according to claim 1, wherein the upper end surface, the left end surface and the lower end surface of the first slanted ejecting block are product forming surfaces, and an injection molding cavity for injection molding the side wall of the air bag frame is formed between the upper end surface of the first slanted ejecting block and the second slanted ejecting block and between the lower end surface of the first slanted ejecting block and the third slanted ejecting block.
3. The mold for fixing the airbag frame mesh fabric insert as claimed in claim 1, wherein the third inclined jacking block is fixedly connected with a telescopic rod of an oil cylinder, and the oil cylinder is fixed on the movable template.
4. The mold for fixing an airbag frame mesh insert as recited in claim 1, wherein the first lifter and the second lifter have different downward slope angles, such that the distance between the first lifter block and the second lifter block is gradually increased when the first lifter block and the second lifter block exit from the product.
5. A method for fixing an airbag frame mesh insert, characterized in that a mold for fixing an airbag frame mesh insert according to any one of claims 1 to 4 comprises the steps of:
s1, before die assembly, a first ejector plate and a second ejector plate eject a first inclined ejector block and a second inclined ejector block upwards for a certain distance, the first ejector plate stops moving, and the second ejector plate continues to eject the second inclined ejector block upwards for a certain distance and then stops;
s2, placing the preformed mesh fabric insert on the product molding surface of the second inclined ejecting block by the manipulator;
s3, the second ejector plate drives a second inclined ejector block to retreat, the second inclined ejector block and the first inclined ejector block jointly fix the upper end of the mesh fabric insert, and the oil cylinder drives a third inclined ejector block to eject and the third inclined ejector block and the first inclined ejector block jointly fix the lower end of the mesh fabric insert;
s4, the first inclined ejecting block, the second inclined ejecting block and the third inclined ejecting block are retreated into the mold core together, mold closing and injection molding are carried out, and cooling is carried out after injection molding is finished;
s5, after cooling is completed, the third inclined ejecting block is fixed, the first inclined ejecting block and the second inclined ejecting block are ejected upwards together by the first inclined ejecting plate and the second inclined ejecting plate, the first inclined ejecting block and the second inclined ejecting block are withdrawn from a formed product, and the formed product is taken away by a manipulator;
and S6, continuously ejecting the second inclined ejection block upwards by the secondary ejection plate, replacing the preformed mesh fabric insert by the manipulator, and repeating the steps S3, S4 and S5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211039210.2A CN115609843A (en) | 2022-08-29 | 2022-08-29 | Die and method for fixing net cloth insert of air bag frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211039210.2A CN115609843A (en) | 2022-08-29 | 2022-08-29 | Die and method for fixing net cloth insert of air bag frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115609843A true CN115609843A (en) | 2023-01-17 |
Family
ID=84856433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211039210.2A Pending CN115609843A (en) | 2022-08-29 | 2022-08-29 | Die and method for fixing net cloth insert of air bag frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115609843A (en) |
-
2022
- 2022-08-29 CN CN202211039210.2A patent/CN115609843A/en active Pending
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