CN113954292A - Injection mold for double-color hinged automobile part - Google Patents
Injection mold for double-color hinged automobile part Download PDFInfo
- Publication number
- CN113954292A CN113954292A CN202111246592.1A CN202111246592A CN113954292A CN 113954292 A CN113954292 A CN 113954292A CN 202111246592 A CN202111246592 A CN 202111246592A CN 113954292 A CN113954292 A CN 113954292A
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- sliding block
- mold core
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- 238000002347 injection Methods 0.000 title claims abstract description 27
- 239000007924 injection Substances 0.000 title claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000000465 moulding Methods 0.000 claims abstract description 12
- 238000001746 injection moulding Methods 0.000 claims abstract description 7
- 230000009471 action Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229930040373 Paraformaldehyde Natural products 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- -1 polyoxymethylene Polymers 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
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
- B29C45/03—Injection moulding apparatus
- B29C45/04—Injection moulding apparatus using movable moulds or mould halves
- B29C45/06—Injection moulding apparatus using movable moulds or mould halves mounted on a turntable, i.e. on a rotating support having a rotating axis parallel to the mould opening, closing or clamping direction
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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
- B29C45/0017—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor moulding interconnected elements which are movable with respect to one another, e.g. chains or hinges
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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
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1615—The materials being injected at different moulding stations
- B29C45/1628—The materials being injected at different moulding stations using a mould carrier rotatable about an axis perpendicular to the opening and closing axis of the moulding stations
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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
- B29L2031/22—Hinges, pivots
-
- 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
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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 discloses an injection mold for a bicolor articulated automobile part, which comprises: the movable template is arranged on a rotary tray of the double-color injection molding machine, and a first front mold core and a second front mold core are arranged on the movable template; the fixed die plate is provided with two rear die cores; the first front mold core and one of the rear mold cores form a first mold cavity, and the first mold cavity is used for molding the mounting seat; the second front mold core, the other rear mold core and the mounting seat are enclosed to form a second mold cavity, and the second mold cavity is used for forming a buckle; the installation seat is provided with a rotating shaft hole, and the part of the buckle is embedded into the rotating shaft hole so that the installation seat and the buckle form a hinge structure. The injection mold for the double-color articulated automobile part can be used for molding the articulated automobile part at one time, reduces production steps and improves production efficiency.
Description
Technical Field
The invention relates to the field of automobile part injection molds, in particular to an injection mold for a double-color hinged automobile part.
Background
In order to achieve different functions, a large number of hinge structures are provided in a motor vehicle, such as doors, flaps of a center console, seats, latches, etc. As shown in fig. 1, an armrest box lock catch for an automobile comprises a buckle 01 and an installation seat 02, wherein the buckle 01 is connected with the installation seat 02 through a rotating shaft 03, an elastic spring 04 is arranged between the buckle 01 and the installation seat 02, two sets of dies are used in the existing manufacturing mode, the buckle and the installation seat are manufactured respectively, then a bolt and a spring are installed manually, and the installation process is various in steps and large in operation difficulty. In actual production, the buckle and the mounting seat are manufactured firstly and then transferred to an assembly workshop for assembly, wherein transfer equipment and transfer time need to be increased, and the production cost and the production period are increased.
Disclosure of Invention
The invention provides an injection mold for a two-color hinged automobile part, which can at least solve the problem of multiple production steps of the automobile part with a hinged structure.
To achieve the object of the present invention, there is provided an injection mold for a two-color articulated vehicle part, comprising:
the movable template is arranged on a rotary tray of the double-color injection molding machine, and a first front mold core and a second front mold core are arranged on the movable template;
the fixed die plate is provided with two rear die cores;
the first front mold core and one of the rear mold cores form a first mold cavity, and the first mold cavity is used for molding the mounting seat; the second front mold core, the other rear mold core and the mounting seat are enclosed to form a second mold cavity, and the second mold cavity is used for forming a buckle;
the front mold core is also provided with an upper insert which is arranged between the mounting seat and the second mold cavity; the end part of the upper insert is used for forming a gap between the mounting seat and the buckle;
the installation seat is provided with a rotating shaft hole, and the part of the buckle is embedded into the rotating shaft hole so that the installation seat and the buckle form a hinge structure.
The first front mold core and the second front mold core of the injection mold for the double-color hinged automobile parts can rotate along with the rotating tray of the double-color injection molding machine, when the first front mold core and one rear mold core are assembled and molded to form the mounting seat, the rotating tray rotates to exchange the positions of the first front mold core and the second front mold core, and the second front mold core and the rear mold core with the mounting seat are assembled and molded to form the handle. Because the mounting seat is provided with the rotating shaft hole after being molded, the handle is partially embedded into the rotating shaft hole to form a rotating shaft during molding, and a gap is reserved between the mounting seat and the handle, so that the mounting seat and the handle form a hinged structure. The injection mold for the double-color articulated automobile part can be used for molding the articulated automobile part at one time, reduces production steps and improves production efficiency.
Further, the injection mold also comprises a first runner system and a second runner system, wherein the melting points of materials in the first runner system and the second runner system are different;
the first flow channel system is communicated with a first feed inlet on the first front mold core;
the second flow channel system is communicated with a second feed inlet on the second front mold core.
Further, a first inclined guide post is fixedly connected to the first front mold core;
a first sliding block and a core pulling rod are arranged on each of the two rear die cores, and a first guide hole matched with the first inclined guide pillar is formed in each first sliding block; one end of the core pulling rod is connected with the first sliding block, and the other end of the core pulling rod is used for forming a rotating shaft hole in the mounting seat.
Furthermore, a first spring is arranged between the first sliding block and the rear mold core, and the first sliding block has a movement trend away from the rear mold core under the action of the spring.
Further, a second inclined guide post is fixedly connected to the second front mold core;
the first rear die core and the second rear die core are both provided with a second sliding block and a core pulling block, and the second sliding block is provided with a second guide hole matched with the second inclined guide post; one end of the core-pulling block is connected with the second sliding block, and the other end of the core-pulling block is used for molding the hook part on the buckle handle.
Furthermore, a second spring is arranged between the second sliding block and the rear mold core, and the second sliding block has a movement trend away from the rear mold core under the action of the second spring.
Further, a lower insert is arranged on the rear mold core, and the lower insert is respectively arranged on two sides of the first mold cavity and is close to the core-pulling rod;
the cross-sectional area of the lower insert is gradually reduced along the direction approaching the front template.
Furthermore, an upper insert is arranged on the second front mold core, and the upper insert is respectively arranged on two sides of the second mold cavity and is opposite to the lower insert;
the cross-sectional area of the upper insert is gradually reduced along the direction close to the rear template.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic view of a prior art armrest box latch;
FIG. 2 is an injection mold for a two-color articulated automotive part of the present invention (with the front mold plate hidden);
FIG. 3 is an assembly view of the rear mold core and the first angle beam of the present invention;
FIG. 4 is an assembly view of the rear mold core and the second angle beam of the present invention.
Wherein: 01. the mold comprises a handle 02, a mounting seat 03, a rotating shaft 04, a spring 05, a hook part 1, a first front mold core 2, a second front mold core 3, a rear mold core 4, a first feed inlet 5, a second feed inlet 11, a first inclined guide column 21, a second inclined guide column 22, an upper insert 31, a first slide block 32, a core pulling rod 33, a first spring 34, a second slide block 35, a core pulling block 36, a second spring 37 and a lower insert.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 2, the injection mold for two-color articulated automobile parts of the present invention comprises:
the movable mould plate is arranged on a rotary tray of the double-color injection molding machine, and a first front mould core 1 and a second front mould core 2 are arranged on the movable mould plate;
the fixed die plate is provided with two rear die cores 3;
the first front mold core 1 and one of the rear mold cores 3 form a first mold cavity, and the first mold cavity is used for molding the mounting seat; the second front mold core 2, the other rear mold core 3 and the mounting seat are enclosed to form a second mold cavity, and the second mold cavity is used for forming a handle;
the installation seat is provided with a rotating shaft hole, and the part of the buckle is embedded into the rotating shaft hole so that the installation seat and the buckle form a hinge structure.
The first front mold core 1 and the second front mold core 2 of the injection mold for the double-color hinged automobile parts can rotate along with a rotating tray of a double-color injection molding machine, when the first front mold core 1 and one rear mold core 3 are assembled and formed into a mounting seat, the rotating tray rotates to exchange the positions of the first front mold core 1 and the second front mold core 2, and the second front mold core 2 and the rear mold core 3 with the mounting seat are assembled and formed into a handle. Because the mounting seat is provided with the rotating shaft hole after the mounting seat is formed, the rotating shaft hole is partially embedded into the upper insert to form a rotating shaft when the handle is formed, and a gap is reserved between the mounting seat and the handle through the upper insert, so that the mounting seat and the handle form a hinged structure. The injection mold for the double-color articulated automobile part can be used for molding the articulated automobile part at one time, reduces production steps and improves production efficiency.
As shown in fig. 4, the installation base and the handle can rotate, and the gap reserved between the installation base and the handle is small, that is, the mold for molding the gap is thin and is very easy to break in the using process, so that the injection mold of the invention adopts the upper insert at the position for molding the gap, and is convenient for maintenance after damage.
And the shape of the upper insert 22 is gradually reduced along the direction approaching the rear template, so that the upper insert 22 can move along the direction away from the rear template along with the front mold core 1 during mold opening without other fixing structures.
Accordingly, as shown in fig. 4, the rear mold core is provided with a lower insert 37, and the lower insert 37 is opposite to the upper insert 22.
Because the position close to the core pulling rod 32 is the position of the rotating shaft hole arranged on the mounting seat, the structure of the position is complex, and the independent and detachable insert is arranged, so that the manufacturing cost is reduced, and the replacement is convenient. Correspondingly, the front mold core is provided with an upper insert 22, and the upper insert 22 is respectively arranged at two sides of the second mold cavity and is opposite to the lower insert 37; the cross-sectional area of the upper insert 22 decreases in a direction approaching the back mold plate. Similarly, the upper insert 22 is advantageous to reduce the production cost and is convenient to replace.
The injection mold further comprises a first runner system and a second runner system, and the melting points of materials in the first runner system and the second runner system are different; the first flow channel system is communicated with a first feed port 4 on the first front mold core 1; the second flow channel system is communicated with a second feed inlet 5 on the second front die core 2.
For example, in this embodiment, the material in the first flow channel system may be a molding material mainly made of polyamide, and the material in the second flow channel system may be a molding material mainly made of polyoxymethylene, and the melting points and shrinkage rates of polyamide and polyoxymethylene are different, so that after the hinged automobile component is molded, the mounting seat and the buckle are not adhered to each other and have a certain gap to rotate flexibly.
As shown in fig. 3, a first angle guide pillar 11 is fixedly connected to the first front mold core 1; a first sliding block 31 and a core-pulling rod 32 are arranged on each of the two rear mold cores 3, and a first guide hole matched with the first inclined guide pillar 11 is formed in each first sliding block 31; one end of the core rod 32 is connected with the first slide block 31, and the other end is used for forming a rotating shaft hole on the mounting seat.
After the mounting seat is formed, the first front mold core 1 is far away from the rear mold core 3, the first inclined guide post 11 drives the first sliding block 31 to slide, so that the core-pulling rod 32 is pulled out, and a rotating shaft hole is formed in the position of the core-pulling rod 32 on the mounting seat.
As shown in fig. 4, a first spring 33 is disposed between the first sliding block 31 and the rear mold core 3, and the first sliding block 31 has a tendency to move away from the rear mold core 3 under the action of the spring. In the process of forming the handle, the second front mold core 2 is matched with the rear mold core 3, and because the first front mold core 1 is not connected with the first inclined guide post 11, the first slide block 31 and the core-pulling rod 32 are kept in a drawing state under the action of the first spring 33 without the driving of the first inclined guide post 11.
As shown in fig. 4, a second angle guide pillar 21 is fixedly connected to the second front mold core 2; the first rear die core 3 and the second rear die core 3 are both provided with a second sliding block 34 and a core-pulling block 35, and the second sliding block 34 is provided with a second guide hole matched with the second inclined guide pillar 21; one end of the core block 35 is connected to the second slider 34, and the other end is used for forming a hook on the handle.
After the handle is formed, the second front mold core 2 is far away from the rear mold core 3, the second inclined guide post 21 drives the second slide block 34 to slide, so that the core-pulling block 35 is pulled out, and then the hook part on the handle is released.
A second spring 36 is arranged between the second slide block 34 and the rear mold core 3, and the second slide block 34 has a movement tendency away from the rear mold core 3 under the action of the second spring 36. In the process of forming the mounting seat, the first front mold core 1 is matched with the rear mold core 3, and since the second angle guide pillar 21 is not connected to the first front mold core 1, the second slide block 34 and the core pulling block 35 are kept in a drawing state under the action of the second spring 36 without being driven by the second angle guide pillar 21.
According to the injection mold for the double-color hinged automobile part, the first front mold core and the second front mold core which can exchange positions and have different structures are arranged, so that the hinged automobile part is molded on the same injection molding machine step by step, and the structure of the hinged automobile part is used as a rotating shaft structure, so that the production steps and the shaft rotating time are reduced, and the production efficiency is improved.
In the description of the present invention, it is to be understood that the terms "vertical", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the invention and to simplify the description, and the words are not intended to have a special meaning unless otherwise stated.
The present invention is not limited to the embodiments, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technical scope of the present invention if they do not depart from the spirit and scope of the present invention.
Claims (8)
1. An injection mold for a two-color articulated automotive part, comprising:
the movable template is arranged on a rotary tray of the double-color injection molding machine, and a first front mold core and a second front mold core are arranged on the movable template;
the fixed die plate is provided with two rear die cores;
the first front mold core and one of the rear mold cores form a first mold cavity, and the first mold cavity is used for molding the mounting seat; the second front mold core, the other rear mold core and the mounting seat are enclosed to form a second mold cavity, and the second mold cavity is used for forming a buckle;
the front mold core is also provided with an upper insert which is arranged between the mounting seat and the second mold cavity; the end part of the upper insert is used for forming a gap between the mounting seat and the buckle;
the installation seat is provided with a rotating shaft hole, and the part of the buckle is embedded into the rotating shaft hole so that the installation seat and the buckle form a hinge structure.
2. Injection mold for two-color articulated vehicle parts according to claim 1,
the injection mold further comprises a first runner system and a second runner system, and the melting points of materials in the first runner system and the second runner system are different;
the first flow channel system is communicated with a first feed inlet on the first front mold core;
the second flow channel system is communicated with a second feed inlet on the second front mold core.
3. Injection mold for two-color articulated automotive parts according to claim 1, characterized in that:
the first front die core is fixedly connected with a first inclined guide post;
a first sliding block and a core pulling rod are arranged on each of the two rear die cores, and a first guide hole matched with the first inclined guide pillar is formed in each first sliding block; one end of the core pulling rod is connected with the first sliding block, and the other end of the core pulling rod is used for forming a rotating shaft hole in the mounting seat.
4. Injection mold for two-color articulated car parts according to claim 3,
a first spring is arranged between the first sliding block and the rear die core, and the first sliding block has a movement trend of being far away from the rear die core under the action of the spring.
5. Injection mold for two-color articulated vehicle parts according to claim 1,
the second front die core is fixedly connected with a second inclined guide post;
the first rear die core and the second rear die core are both provided with a second sliding block and a core pulling block, and the second sliding block is provided with a second guide hole matched with the second inclined guide post; one end of the core-pulling block is connected with the second sliding block, and the other end of the core-pulling block is used for molding the hook part on the buckle handle.
6. Injection mold for two-color articulated vehicle parts according to claim 5,
and a second spring is arranged between the second sliding block and the rear die core, and the second sliding block has a movement trend away from the rear die core under the action of the second spring.
7. Injection mold for two-color articulated vehicle parts according to claim 1,
the cross-sectional area of the upper insert is gradually reduced along the direction close to the rear template.
8. Injection mold for two-color articulated vehicle parts according to claim 7,
the rear die core is provided with a lower insert, the lower insert is arranged opposite to the upper insert, and the cross sectional area of the lower insert is gradually reduced along the direction close to the front template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111246592.1A CN113954292B (en) | 2021-10-26 | 2021-10-26 | Injection mold for bicolor hinged automobile part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111246592.1A CN113954292B (en) | 2021-10-26 | 2021-10-26 | Injection mold for bicolor hinged automobile part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113954292A true CN113954292A (en) | 2022-01-21 |
| CN113954292B CN113954292B (en) | 2023-12-01 |
Family
ID=79467118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111246592.1A Active CN113954292B (en) | 2021-10-26 | 2021-10-26 | Injection mold for bicolor hinged automobile part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113954292B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6334113A (en) * | 1986-07-30 | 1988-02-13 | Nippon Columbia Co Ltd | Manufacture of cylindrical bearing |
| JPH09314617A (en) * | 1996-05-30 | 1997-12-09 | Tsutsui Plast:Kk | Manufacture of plastic injection molded product having revolvable connection part |
| JP2000000841A (en) * | 1998-06-17 | 2000-01-07 | Yazaki Corp | Method for insert molding sliding pair |
| CN105415600A (en) * | 2015-12-08 | 2016-03-23 | 深圳天珑无线科技有限公司 | Double-shot molding mold |
| CN107130868A (en) * | 2017-07-04 | 2017-09-05 | 贵州贵航汽车零部件股份有限公司华阳电器公司 | A kind of vehicle switch four-way hinge arrangement and preparation method thereof |
| CN206644286U (en) * | 2017-04-07 | 2017-11-17 | 长春恒兴集团有限公司 | The double-colored class injection mold structure of vehicle rotary |
| CN207105443U (en) * | 2017-08-28 | 2018-03-16 | 慈溪市易格模具有限公司 | A kind of mould of the double-colored button of automobile controller |
-
2021
- 2021-10-26 CN CN202111246592.1A patent/CN113954292B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6334113A (en) * | 1986-07-30 | 1988-02-13 | Nippon Columbia Co Ltd | Manufacture of cylindrical bearing |
| JPH09314617A (en) * | 1996-05-30 | 1997-12-09 | Tsutsui Plast:Kk | Manufacture of plastic injection molded product having revolvable connection part |
| JP2000000841A (en) * | 1998-06-17 | 2000-01-07 | Yazaki Corp | Method for insert molding sliding pair |
| CN105415600A (en) * | 2015-12-08 | 2016-03-23 | 深圳天珑无线科技有限公司 | Double-shot molding mold |
| CN206644286U (en) * | 2017-04-07 | 2017-11-17 | 长春恒兴集团有限公司 | The double-colored class injection mold structure of vehicle rotary |
| CN107130868A (en) * | 2017-07-04 | 2017-09-05 | 贵州贵航汽车零部件股份有限公司华阳电器公司 | A kind of vehicle switch four-way hinge arrangement and preparation method thereof |
| CN207105443U (en) * | 2017-08-28 | 2018-03-16 | 慈溪市易格模具有限公司 | A kind of mould of the double-colored button of automobile controller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113954292B (en) | 2023-12-01 |
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