CN114953495A - Integral film-coating electroplating process for automotive interior trim parts - Google Patents
Integral film-coating electroplating process for automotive interior trim parts Download PDFInfo
- Publication number
- CN114953495A CN114953495A CN202210387419.1A CN202210387419A CN114953495A CN 114953495 A CN114953495 A CN 114953495A CN 202210387419 A CN202210387419 A CN 202210387419A CN 114953495 A CN114953495 A CN 114953495A
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- CN
- China
- Prior art keywords
- film
- groove
- automotive interior
- mold
- injection molding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000009713 electroplating Methods 0.000 title claims abstract description 19
- 239000007888 film coating Substances 0.000 title claims abstract description 13
- 238000009501 film coating Methods 0.000 title claims abstract description 13
- 238000004080 punching Methods 0.000 claims abstract description 30
- 238000001746 injection moulding Methods 0.000 claims abstract description 27
- 238000007731 hot pressing Methods 0.000 claims abstract description 24
- 238000002347 injection Methods 0.000 claims abstract description 14
- 239000007924 injection Substances 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- 229920007019 PC/ABS Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 238000009966 trimming Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000010408 film Substances 0.000 description 45
- 239000010409 thin film Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/02—Electroplating of selected surface areas
- C25D5/022—Electroplating of selected surface areas using masking means
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/627—Electroplating characterised by the visual appearance of the layers, e.g. colour, brightness or mat appearance
-
- 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
- B29L2031/58—Upholstery or cushions, e.g. vehicle upholstery or interior padding
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an integral film-coating electroplating process for automotive interior parts, which specifically comprises the following steps: providing a film, and forming a required color pattern on the film; preparing a main die: selecting a mold seat, respectively forming a hot pressing groove, an injection molding groove and a punching groove on the mold seat, preparing an auxiliary mold according to the shape of the automotive interior part, fixing a film on the auxiliary mold, sequentially passing the auxiliary mold through the hot pressing groove, the injection molding groove and the punching groove, carrying out hot press forming treatment on the film in the hot pressing groove to ensure that the film is attached to the auxiliary mold, carrying out injection molding treatment on the film in the injection molding groove to ensure that the automotive interior part is injection molded on the auxiliary mold, and carrying out punching treatment on the film in the punching groove to ensure that a stub bar at the edge of the film is cut; the invention cancels the spraying process, reduces the labor, does not influence the environmental protection, and secondly, the film can print the patterns customized by customers, thereby increasing the diversity of the product.
Description
The technical field is as follows:
the invention relates to the technical field of production of automobile parts, in particular to an integral film-coating electroplating process for an automobile interior trim part.
Background art:
automotive interior spare has the effect of decorating and cosmetic car, the inside image of car is directly influenced to the good or bad of its decorative effect, in order to make the car have the diversified color dress up, this just requires that the enterprise need give its diversified color when producing automotive interior spare, with the decorative effect who satisfies the car, among the prior art, automotive interior's production technology generally adopts double-colored injection molding + water ferry + shielding spraying, the double-colored injection molding that this kind of production process adopted, low in production efficiency, and the degree of difficulty of shielding the spraying is very big, lead to different variegates in automotive interior spare surface to appear very easily, the effect is poor, and spraying technology can produce waste gas waste water, influence the environmental protection.
The invention content is as follows:
the invention aims to provide an integral film-coating electroplating process for automotive upholstery, which solves one or more of the problems in the prior art.
In order to solve the technical problems, the innovation points of the invention are as follows: the method specifically comprises the following steps:
s1, providing a film, and forming a required color pattern on the film;
s2, preparing a main die: selecting a die seat, respectively forming a hot pressing groove, an injection molding groove and a punching groove on the die seat, wherein the hot pressing groove, the injection molding groove and the punching groove are on the same straight line
S3, preparing an auxiliary mold according to the shape of the automotive interior part, fixing a film on the auxiliary mold, sequentially passing the auxiliary mold through a hot pressing groove, an injection molding groove and a punching groove, performing hot press molding treatment on the film in the hot pressing groove to enable the film to be attached to the auxiliary mold, performing injection molding treatment on the film in the injection molding groove to enable the automotive interior part to be injection molded on the auxiliary mold, and performing punching treatment on the film in the punching groove to enable a stub bar at the edge of the film to be cut;
s4, grinding: trimming the edge of the film to ensure that the edge of the film is aligned and attached to the edge of the automotive interior trim part;
s5, electroplating: the automotive interior is treated with plating-grade PC/ABS to make the surface of the automotive interior adhere to the required color at the position where the film is removed.
Further, a circular cooling ring is arranged at the bottom of the hot-pressing groove, and after the film is subjected to hot-pressing molding, when the main mold passes through the cooling ring, the film is attached to the auxiliary mold.
Furthermore, an upper mold matched with the automobile interior trim part in shape is arranged at the top of the injection molding groove, a positioning step surface is arranged at the bottom of the injection molding groove, a positioning block is arranged on the auxiliary mold, and when the positioning block is embedded in the positioning step surface, an injection molding cavity of the automobile interior trim part is formed between the upper mold and the auxiliary mold.
Further, in step S5, the upper mold corresponds to a molding surface of the automotive interior, that is, a plating surface of the automotive interior.
Furthermore, two symmetrical cutter grooves are formed in the punching groove, and when the auxiliary die moves to the inside of the punching groove, the cutter grooves are aligned with the positions of the material heads of the edges of the thin films.
Further, a transverse guide rail is arranged under the die base, the transverse guide rail sequentially passes through the hot pressing groove, the injection molding groove and the punching groove, a slidable sliding block is arranged on the transverse guide rail, a driving cylinder is arranged on the sliding block, the output end of the driving cylinder faces the die base, and the auxiliary die is arranged at the output end of the driving cylinder.
The invention has the beneficial effects that:
1. the invention provides an integral film-coating electroplating process for an automotive interior part, wherein a spraying process is omitted in the process of forming the automotive interior part, so that the labor is reduced, the environmental protection is not affected, and secondly, patterns customized by customers can be printed on the film, so that the product diversity is increased.
2. The invention provides an integral film-covering electroplating process for automotive interior parts, wherein when the automotive interior parts are covered with films, the injection-molded interior parts can be directly formed on a film through setting a main die and an auxiliary die, the film is not required to be aligned and attached on the die, the manual operation alignment process is reduced, and when the stub bar of the film is cut, the stub bar of the film is directly cut according to the forming position of the automotive interior parts, so that the accuracy of finishing the stub bar of the film is ensured.
3. The invention provides an integral film-coating electroplating process for an automotive interior part, which is characterized in that after the automotive interior part is coated with a film and injected, the whole automotive interior part is directly electroplated, particularly electroplating-grade PC/ABS (polycarbonate/acrylonitrile butadiene styrene), and only colors are adhered to the non-film positions on the surface of the automotive interior part in the process, so that color patterns on the film and the colors adhered to the electroplating can be in seamless connection, and the appearance color of the automotive interior part is more integral.
Description of the drawings:
FIG. 1 is a side view of the present invention.
Fig. 2 is a surface sectional view of the main mold of the present invention.
The specific implementation mode is as follows:
for the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Fig. 1 to fig. 2 show an embodiment of the present invention, which specifically includes the following steps:
s1, providing a film, and forming a required color pattern on the film;
s2, preparing a main die: selecting a die base 1, respectively forming a hot pressing groove 11, an injection groove 12 and a punching groove 13 on the die base 1, wherein the hot pressing groove 11, the injection groove 12 and the punching groove 13 are on the same straight line
S3, preparing an auxiliary mold 2 according to the shape of the automotive interior part, fixing a thin film on the auxiliary mold 2, sequentially enabling the auxiliary mold 2 to pass through a hot pressing groove 11, an injection molding groove 12 and a punching groove 13, enabling the thin film to be attached to the auxiliary mold 2 after hot press forming processing is carried out on the thin film in the hot pressing groove 11, enabling the automotive interior part to be injection molded on the auxiliary mold 2 after injection molding processing is carried out on the thin film in the injection molding groove 12, and enabling the thin film to be subjected to punching processing in the punching groove 13 so as to cut the stub bars at the edge of the thin film;
s4, grinding: trimming the edge of the film to ensure that the edge of the film is aligned and attached to the edge of the automotive interior trim part;
s5, electroplating: the automotive interior is treated with plating-grade PC/ABS to make the surface of the automotive interior adhere to the required color at the position where the film is removed.
In the invention, in the forming process of the automotive interior part, the film is arranged without a spraying process, so that the labor is reduced, the environmental protection is not influenced, and secondly, the film can be used for printing patterns customized by customers, so that the diversity of products is increased.
According to the invention, when the automotive interior part is coated, the injection molded interior part can be directly molded on the film through the setting of the main mold and the auxiliary mold 2, the film is not required to be aligned and attached on the mold, the manual operation alignment process is reduced, and when the stub bar of the film is cut, the stub bar of the film is directly cut according to the molding position of the automotive interior part, so that the accuracy of finishing the stub bar of the film is ensured.
In the invention, after the automotive interior part is coated with a film and injected with plastic, the whole automotive interior part is directly electroplated, specifically, the electroplating-grade PC/ABS, and only the color is adhered to the non-film position on the surface of the automotive interior part in the process, so that the color pattern on the film and the color adhered to the electroplating can be in seamless connection, and the appearance color of the automotive interior part is more integral.
In the present invention, it is preferable that a circular cooling ring 3 is provided at the bottom of the hot-pressing groove 11, and after the hot-pressing of the film, the film is attached to the sub-mold 2 when the main mold passes through the cooling ring 3.
In the present invention, after the film is formed on the main mold, the cooling ring 3 is set to rapidly cool the film, and the cooled film can be rapidly attached to the sub-mold 2.
In the invention, the top of the injection groove 12 is provided with an upper mold 5 matched with the shape of the automotive interior part, the bottom of the injection groove 12 is provided with a positioning step surface 4, the auxiliary mold 2 is provided with a positioning block 41, and when the positioning block 41 is embedded in the positioning step surface 4, an injection cavity of the automotive interior part is formed between the upper mold 5 and the auxiliary mold 2.
In the invention, when the automotive interior part is molded, the injection molding cavity can be rapidly molded by setting the positioning step surface 4 and the positioning block 41, so that the plastic raw material can conveniently enter the injection molding cavity through injection molding.
In the present invention, it is preferable that the upper mold 5 corresponds to a molding surface of the automobile interior, that is, a plating surface of the automobile interior in step S5.
In the present invention, it is preferable that the punching groove 13 is provided with two symmetrical sipes 6, and when the sub-die 2 is moved into the punching groove 13, the sipes 6 and the stub positions of the film edges are aligned.
In the invention, the punching groove 13 is set to play a role in guiding the cutting of an external prop, so that the stub bar at the edge of the film can be conveniently cut.
In the present invention, as a preferable scheme, a transverse guide rail 7 is arranged right below the die holder 1, the transverse guide rail 7 sequentially passes through the hot pressing groove 11, the injection groove 12 and the punching groove 13, a sliding block 71 is arranged on the transverse guide rail 7, a driving cylinder 72 is arranged on the sliding block 71, the output end of the driving cylinder 72 faces the die holder 1, and the secondary die 2 is arranged on the output end of the driving cylinder 72.
In the present invention, the slider 71 slides along the cross rail 7 under an external power, so that the slider 71 moves in the hot groove 11, the injection groove 12, and the punching groove 13 in order, and the driving cylinder 72 is set so that the sub-mold 2 enters or leaves the hot groove 11, the injection groove 12, and the punching groove 13 during the movement of the slider 71.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An integral film-coating electroplating process for automotive interior parts is characterized in that: the method specifically comprises the following steps:
s1, providing a film, and forming a required color pattern on the film;
s2, preparing a main die: selecting a mold base (1), respectively forming a hot pressing groove (11), an injection molding groove (12) and a punching groove (13) on the mold base (1), wherein the hot pressing groove (11), the injection molding groove (12) and the punching groove (13) are on the same straight line
S3, preparing a secondary mold (2) according to the shape of the automotive interior, fixing the film on the secondary mold (2), and then sequentially passing the secondary mold (2) through the hot-pressing groove (11), the injection groove (12) and the punching groove (13), wherein the film is subjected to a hot-press forming process inside the hot-pressing groove (11) so as to be attached to the secondary mold (2), the film is subjected to an injection molding process inside the injection groove (12) so as to be injection-molded on the secondary mold (2), and the film is subjected to a punching process inside the punching groove (13) so as to be cut by the stub bars at the edge of the film;
s4, grinding: trimming the edge of the film to enable the edge of the film to be aligned and attached to the edge of the automotive interior trim part;
s5, electroplating: the automotive interior is treated with plating-grade PC/ABS to make the surface of the automotive interior adhere to the required color at the position where the film is removed.
2. The integral film-coating electroplating process for the automotive interior part according to claim 1, characterized in that: the bottom of the hot-pressing groove (11) is provided with a circular cooling ring (3), and after the film is subjected to hot-pressing molding, when the main die passes through the cooling ring (3), the film is attached to the auxiliary die (2).
3. The integral film-coating electroplating process for the automotive interior part according to claim 1, characterized in that: the top of the injection molding groove (12) is provided with an upper mold (5) matched with the shape of the automotive interior part, the bottom of the injection molding groove (12) is provided with a positioning step surface (4), the auxiliary mold (2) is provided with a positioning block (41), the positioning block (41) is embedded into the interior of the positioning step surface (4), and the injection molding cavity of the automotive interior part is formed between the upper mold (5) and the auxiliary mold (2).
4. The integral film-coating electroplating process for the automotive interior part according to claim 3, characterized in that: in the step S5, the upper mold (5) corresponds to a molding surface of the automotive interior, that is, a plating surface of the automotive interior.
5. The integral film-coating electroplating process for the automotive interior part according to claim 1, characterized in that: two symmetrical cutter grooves (6) are formed in the punching groove (13), and when the auxiliary die (2) moves into the punching groove (13), the cutter grooves (6) are aligned with the positions of the material heads of the film edges.
6. The integral film-coating electroplating process for the automotive interior part according to claim 1, characterized in that: be equipped with transverse guide (7) under mould seat (1), transverse guide (7) pass through in proper order hot pressing groove (11), mould plastics groove (12) and towards slot (13), be equipped with slidable slider (71) on transverse guide (7), be equipped with on slider (71) and drive actuating cylinder (72), the output orientation that drives actuating cylinder (72) mould seat (1), vice mould (2) set up drive on the output of actuating cylinder (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210387419.1A CN114953495A (en) | 2022-04-14 | 2022-04-14 | Integral film-coating electroplating process for automotive interior trim parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210387419.1A CN114953495A (en) | 2022-04-14 | 2022-04-14 | Integral film-coating electroplating process for automotive interior trim parts |
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| Publication Number | Publication Date |
|---|---|
| CN114953495A true CN114953495A (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210387419.1A Pending CN114953495A (en) | 2022-04-14 | 2022-04-14 | Integral film-coating electroplating process for automotive interior trim parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114953495A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117428866A (en) * | 2023-12-19 | 2024-01-23 | 常州汇凯汽车系统有限公司 | Forming equipment for automotive interior parts |
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| CN112873701A (en) * | 2021-01-14 | 2021-06-01 | 临海伟星新型建材有限公司 | Injection molding method |
| CN214137040U (en) * | 2020-07-06 | 2021-09-07 | 绍兴韦德汽配有限公司 | Automatic hot pressing mechanism |
-
2022
- 2022-04-14 CN CN202210387419.1A patent/CN114953495A/en active Pending
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| CN201889877U (en) * | 2010-11-26 | 2011-07-06 | 吴江友鑫高分子材料科技有限公司 | Injection moulding device for in-mold decoration |
| CN103753759A (en) * | 2014-01-14 | 2014-04-30 | 昆山易昌泰塑胶有限公司 | Injection molding machine capable of continuously processing, embedding and injection-molding embedded parts in die |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117428866A (en) * | 2023-12-19 | 2024-01-23 | 常州汇凯汽车系统有限公司 | Forming equipment for automotive interior parts |
| CN117428866B (en) * | 2023-12-19 | 2024-02-20 | 常州汇凯汽车系统有限公司 | Forming equipment for automotive interior parts |
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Application publication date: 20220830 |