CN115195014A - PVC carpet manufacturing process - Google Patents
PVC carpet manufacturing process Download PDFInfo
- Publication number
- CN115195014A CN115195014A CN202110386562.4A CN202110386562A CN115195014A CN 115195014 A CN115195014 A CN 115195014A CN 202110386562 A CN202110386562 A CN 202110386562A CN 115195014 A CN115195014 A CN 115195014A
- Authority
- CN
- China
- Prior art keywords
- die
- lower die
- upper die
- manufacturing process
- carpet
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims abstract description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 15
- 239000000463 material Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000007723 die pressing method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000037303 wrinkles Effects 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
- 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
-
- 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
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/06—PVC, i.e. polyvinylchloride
-
- 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
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The application provides a PVC carpet manufacturing process, and the PVC carpet is used for laying on the ground in the vehicle cabin, and the manufacturing process includes the following steps: manufacturing a forming die of an upper die and a lower die which have preset structures and can be matched with each other; spraying a release agent on the inner surfaces of the upper die and the lower die; respectively heating the upper die and the lower die to set temperature and then filling the raw materials into the lower die; closing the upper die and the lower die and maintaining the pressure; and opening the upper die and the lower die after the pressure maintaining time reaches the set time to obtain the finished product. The beneficial effect of this application is: design PVC carpet as integrated into one piece structure through forming die, can set up the different regions of carpet into different thickness and decorative pattern according to the user demand, satisfy the user demand better to manufacturing process is simple, reduction in production cost.
Description
Technical Field
The disclosure relates to the technical field of automobile accessories, in particular to a PVC carpet manufacturing process.
Background
At present, PVC sheets with uniform thickness are produced by PVC material manufacturers in China, and PVC sheets produced by PVC manufacturers are purchased by carpet manufacturers (patterns and colors of PVC are the same according to the requirements of automobile factories). PVC manufacturers use the purchased materials to produce and manufacture carpets through a die pressing process or a negative pressure adsorption process. The two processes have the defects that the material of the product needs to be softened by an oven, the surface of the product is baked and shined in the softening process of the material, the patterns become relatively shallow, the product is placed in a mold, the process is a die pressing or negative pressure adsorption process and belongs to product stretching forming, the PVC material is thinned and the patterns are shallow in a place with high product stretching force, and even the product is damaged and folded, so that the product is unqualified.
Disclosure of Invention
The purpose of this application is to solve the above problems and provide a manufacturing process of PVC carpet.
In a first aspect, the present application provides a process for manufacturing a PVC carpet for laying on a floor in a vehicle cabin, the process comprising the steps of:
manufacturing a forming die of an upper die and a lower die which have preset structures and can be matched with each other;
spraying a release agent on the inner surfaces of the upper die and the lower die;
respectively heating the upper die and the lower die to a set temperature, and then filling the raw materials into the lower die;
closing the upper die and the lower die and maintaining the pressure;
and opening the upper die and the lower die after the pressure maintaining time reaches the set time to obtain the finished product.
According to the technical scheme provided by the embodiment of the application, the set temperature range is 130-160 ℃.
According to the technical scheme provided by the embodiment of the application, the set time range is 210s-240s.
According to the technical scheme provided by the embodiment of the application, the raw materials comprise resin powder, stearic acid, DOP and calcium carbonate.
According to the technical scheme provided by the embodiment of the application, the manufacturing and forming die specifically comprises: the upper die and the lower die are manufactured respectively, a cavity is formed between the upper die and the lower die when the upper die and the lower die are assembled, and the cavity comprises a main body part and an edge part vertically arranged at the edge of a set position of the main body part, so that a finished product forms an edge which is convenient to install in a vehicle cabin at the edge part.
The invention has the beneficial effects that: the application provides a PVC carpet manufacturing process, wherein a PVC carpet is designed into an integral forming structure through a forming die, different areas of the carpet can be set to be different in thickness and patterns according to use requirements, and the use requirements of the carpet structure with complex requirements can be met, so that the use requirements can be better met, the problems that in the prior art, when a negative pressure adsorption or a die pressing process is applied to manufacture the PVC carpet, the PVC carpet is easy to stretch greatly, so that the local part is too thin or wrinkles are generated and the like are solved, and the product performance is improved; and the manufacturing process is simple, and the production and manufacturing cost is reduced.
Drawings
FIG. 1 is a schematic process flow diagram of a first embodiment of the present application;
FIG. 2 is a schematic view of a prior art carpet installed in a vehicle compartment in comparison to the first embodiment of the present application;
FIG. 3 is a schematic view of the carpet of the first embodiment of the present application as installed in a vehicle compartment;
FIG. 4 is a schematic view of a first embodiment of the present application showing a thickened tread portion of a carpet;
FIG. 5 is a schematic view showing the shape of the non-slip ribs of the tread portion in comparison with the surface pattern of other areas of the carpet according to the first embodiment of the present invention;
the text labels in the figures are represented as: 10. a carpet; 11. a pedal part; 12. an edge; 20. mounting a metal plate; 30. a sealing strip.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings, and the description of the present section is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention in any way.
Fig. 1 is a schematic view of a first embodiment of the present application, wherein the PVC carpet is used for laying on the ground in the vehicle cabin, and the manufacturing process comprises the following steps:
s1, manufacturing a forming die of an upper die and a lower die which have preset structures and can be matched with each other.
The edge of the forming mold manufactured in the embodiment is provided with the edge sealing structure, so that when raw materials are filled into the forming mold in the subsequent step, the raw materials do not overflow from the edge of the forming mold, and the quality of the manufactured product is not affected.
The method specifically comprises the following steps: the upper die and the lower die are manufactured respectively, a cavity is formed between the upper die and the lower die when the upper die and the lower die are assembled, and the cavity comprises a main body part and an edge part vertically arranged at the edge of a set position of the main body part, so that a finished product forms an edge which is convenient to install in a vehicle cabin at the edge part. In this embodiment, the edge of the carpet manufactured by integral forming is used for being connected and installed with the metal plate in the vehicle cabin, so the setting position of the edge relative to the edge of the carpet is set according to the actual situation in the vehicle cabin, for example, the edge can be set up all around the edge of the carpet body or on the opposite sides of the carpet body, and the edge is set up to be perpendicular to the surface of the carpet body in this embodiment. In this embodiment, as shown in fig. 2, when the carpet 10 is installed in the vehicle cabin, the edge 11 is fixedly connected with the installation metal plate 20 through the sealing strip 30 after being attached to the installation metal plate 20 in the vehicle cabin in parallel, so that the carpet can be conveniently and stably installed in the vehicle cabin. Therefore, in the embodiment, the edge perpendicular to the surface of the carpet main body and the edge perpendicular to the surface of the carpet main body, which are manufactured by integral molding, facilitate the installation and connection of the whole carpet in the vehicle cabin, and compared with the prior art, as shown in fig. 3, the edge 11 of the embodiment is more beneficial to the installation and connection of the carpet 10 in the vehicle cabin in a manner that the edge of the carpet 10 is directly and vertically attached to the installation sheet metal 20 and then fixed by the sealing strip 30.
In this embodiment, the preset structure of the forming mold is also the spatial structure of the internal cavity, the spatial structure of the cavity is set according to the structural shape of the PVC carpet required by the customer, when different areas of the carpet need to be set to different thicknesses or patterns, the forming mold only needs to be designed to be the corresponding thickness space required in the different areas of the cavity, for example, the thickness is increased in the tread part 11 of the carpet 10 (as shown in fig. 4); the carpet pattern is designed to be the corresponding required pattern on the upper and lower die surfaces of the corresponding cavity, for example, the shape of the anti-slip edge of the pedal part 11 is different from the pattern of other areas of the carpet 10 (as shown in fig. 5), so when the PVC carpet is manufactured through the forming die, the PVC integral forming carpet with complex structural requirements can be simply and conveniently manufactured through the design of the forming die. Among the prior art, PVC carpet manufacturer is through the PVC sheet of purchasing, the secondary operation mode that adsorbs or the mould pressing produces the PVC carpet on the PVC sheet, need soften the PVC sheet in the secondary operation engineering, can toast the product surface at the in-process that the material is softened and shine, the decorative pattern can become shallow relatively, no matter be mould pressing or negative pressure adsorption process, all belong to product stretch forming, can draw the PVC material at the great place of product tensile force thin, the decorative pattern draws shallowly, damage and fold can appear even, lead to the product unqualified. And the carpet production mode of secondary processing has complex procedures and increases the production cost.
And S2, spraying a release agent on the inner surfaces of the upper die and the lower die.
In the embodiment, the forming die is opened through the hydraulic machine, namely the upper die and the lower die are separated, and the release agent is sprayed on the inner surfaces of the upper die and the lower die respectively, so that the product is conveniently released from the forming die in the subsequent step, and the quality of the product is not influenced.
And S3, respectively heating the upper die and the lower die to set temperatures, and then filling the raw materials into the lower die.
In this embodiment, because the temperatures of the upper and lower portions of the mold cannot be completely the same when the upper and lower molds are heated due to the different structures and thicknesses of the different regions of the mold, the mold temperature controller can be used to heat the different regions of the mold at different temperatures, so that the temperatures of the portions of the mold are as uniform as possible.
In this embodiment, the temperature range is set to 130 ℃ to 160 ℃, and in this embodiment, since the temperatures of the respective regions of the mold cannot be completely consistent, the temperature difference between the highest temperature region and the lowest temperature region of the upper mold and the lower mold is controlled within a range of 20 ℃.
In this embodiment, the raw materials refer to materials that are melted and refined after being mixed according to a material formula. The raw materials in this embodiment mainly include resin powder, stearic acid, DOP, calcium carbonate, and the like.
In this embodiment, when the raw materials are filled into the forming mold, the feeding amount of the raw materials is accurately calculated according to the volume of the cavity, excessive feeding amount can cause glue overflow on the parting surface of the product and product deformation, and too little feeding amount can cause that the cavity cannot be filled, thereby affecting the product quality.
And S4, closing the upper die and the lower die and maintaining the pressure.
In this step, the upper die and the lower die are closed by a hydraulic press.
And S5, opening the upper die and the lower die after the pressure maintaining time reaches the set time to obtain a finished product.
In the step, the set time range of the pressure maintaining is 210s-240s. Too long pressure holding time can cause excessive curing of raw materials in a forming die, and the efficiency and the performance of a finished product are affected; the aging of the product can be influenced after the pressure maintaining time, and the product performance is influenced.
In the step, the upper die and the lower die are opened through a hydraulic press, and the finished product manufactured by production is taken out to complete the production of the integrally formed PVC carpet. Therefore, the technical scheme for integrally forming and manufacturing the PVC carpet provided by the embodiment can realize the design requirements of different pattern effects, different thicknesses and the like of a product through the design of the forming die on the basis of solving the quality problems of uneven product thickness stretching, wrinkling, shallow pattern and the like in the prior art, and better provides personalized product requirements for customers and users.
The principles and embodiments of the present application are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present application, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments, or may be learned by practice of the invention.
Claims (5)
1. A PVC carpet manufacturing process for laying on a floor in a vehicle cabin, characterized in that the manufacturing process comprises the following steps:
manufacturing a forming die of an upper die and a lower die which have preset structures and can be matched with each other;
spraying a release agent on the inner surfaces of the upper die and the lower die;
respectively heating the upper die and the lower die to a set temperature, and then filling the raw materials into the lower die;
closing the upper die and the lower die and maintaining the pressure;
and opening the upper die and the lower die after the pressure maintaining time reaches the set time to obtain the finished product.
2. The PVC carpet manufacturing process of claim 1, wherein the set temperature range is 130 ℃ -160 ℃.
3. The PVC carpet manufacturing process of claim 2, wherein the set time range is 210s-240s.
4. The PVC carpet manufacturing process according to claim 3, wherein the raw materials include resin powder, stearic acid, DOP and calcium carbonate.
5. The PVC carpet manufacturing process according to claim 1, wherein the manufacturing of the molding mold having the upper mold and the lower mold which have a predetermined structure and can be matched with each other specifically comprises: the upper die and the lower die are manufactured respectively, a cavity is formed between the upper die and the lower die when the upper die and the lower die are assembled, and the cavity comprises a main body part and an edge part vertically arranged at the edge of a set position of the main body part, so that a finished product forms an edge which is convenient to install in a vehicle cabin at the edge part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110386562.4A CN115195014A (en) | 2021-04-12 | 2021-04-12 | PVC carpet manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110386562.4A CN115195014A (en) | 2021-04-12 | 2021-04-12 | PVC carpet manufacturing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115195014A true CN115195014A (en) | 2022-10-18 |
Family
ID=83570764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110386562.4A Pending CN115195014A (en) | 2021-04-12 | 2021-04-12 | PVC carpet manufacturing process |
Country Status (1)
| Country | Link |
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| CN (1) | CN115195014A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19630884A1 (en) * | 1996-07-31 | 1998-02-05 | Koerber Christa | Floor cover used in hollow floors of e.g. vehicles and buildings |
| CN205364394U (en) * | 2016-02-01 | 2016-07-06 | 台州市黄岩永明车灯模具厂 | Independent turn -ups of car seat backplate mould mechanism of inserting |
| CN108501274A (en) * | 2017-02-27 | 2018-09-07 | 丹阳市金业来车辆装饰件有限公司 | A kind of production technology of class-A surfaces fiber reinforcement polyurethane hard decorative part |
| CN111094434A (en) * | 2017-09-19 | 2020-05-01 | 欧拓管理公司 | Low viscosity noise attenuation material for automotive trim parts |
| CN112622302A (en) * | 2020-11-30 | 2021-04-09 | 扬州扬子到河复合材料制品有限公司 | Spraying-free one-step forming process for automobile decorative plate and forming complete equipment thereof |
-
2021
- 2021-04-12 CN CN202110386562.4A patent/CN115195014A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19630884A1 (en) * | 1996-07-31 | 1998-02-05 | Koerber Christa | Floor cover used in hollow floors of e.g. vehicles and buildings |
| CN205364394U (en) * | 2016-02-01 | 2016-07-06 | 台州市黄岩永明车灯模具厂 | Independent turn -ups of car seat backplate mould mechanism of inserting |
| CN108501274A (en) * | 2017-02-27 | 2018-09-07 | 丹阳市金业来车辆装饰件有限公司 | A kind of production technology of class-A surfaces fiber reinforcement polyurethane hard decorative part |
| CN111094434A (en) * | 2017-09-19 | 2020-05-01 | 欧拓管理公司 | Low viscosity noise attenuation material for automotive trim parts |
| CN112622302A (en) * | 2020-11-30 | 2021-04-09 | 扬州扬子到河复合材料制品有限公司 | Spraying-free one-step forming process for automobile decorative plate and forming complete equipment thereof |
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