阅读说明：本技术 一种汽车衣帽架的模具结构及汽车衣帽架生产工艺 (Mold structure of automobile hat rack and production process of automobile hat rack ) 是由 吴玮晟 刘钟文 郭文俊 李裕川 黄甲洲 黎茂福 于 2021-08-19 设计创作，主要内容包括：本发明汽车衣帽架的模具结构及汽车衣帽架生产工艺,模具结构包括上模和下模及中模,中模位于上模和下模之间,上模底面连接有成型凸模,中模上端面向下凹陷设有定位斜面,定位斜面内侧设有贯穿中模上下表面的通槽,通槽的轮廓与凸模的外轮廓相同且位置相互对应,中模底面连接有刀模,下模中部向下凹陷设有成型凹模,下模成型凹模的轮廓与上模凸模的轮廓相同并相互对应。生产工艺：将成型汽车衣帽架骨架的板材与装饰面料都放入模具中,板材定位在中模的定位斜面中,装饰面料放置在下模中,控制上模、中模、下模合模,在板材成型过程中同时与装饰面料复合形成一体化结构。采用该模具及生产工艺能够大幅度降低生产成本、提高生产效率并保证产品质量。(The invention relates to a die structure of an automobile hat rack and a production process of the automobile hat rack, wherein the die structure comprises an upper die, a lower die and a middle die, the middle die is positioned between the upper die and the lower die, the bottom surface of the upper die is connected with a forming convex die, the upper end surface of the middle die is downwards sunken to form a positioning inclined plane, a through groove penetrating through the upper surface and the lower surface of the middle die is arranged on the inner side of the positioning inclined plane, the outline of the through groove is the same as the outline of the convex die and corresponds to the position of the convex die, the bottom surface of the middle die is connected with a cutting die, the middle part of the lower die is downwards sunken to form a forming concave die, and the outline of the lower die forming concave die is the same as the outline of the upper die and corresponds to the outline of the convex die. The production process comprises the following steps: the method comprises the steps of putting a plate and a decorative fabric for forming the automobile hat rack framework into a die, positioning the plate in a positioning inclined plane of a middle die, putting the decorative fabric into a lower die, controlling the upper die, the middle die and the lower die to be closed, and simultaneously compounding the decorative fabric with the plate to form an integrated structure in the plate forming process. By adopting the die and the production process, the production cost can be greatly reduced, the production efficiency can be improved, and the product quality can be ensured.)

1. A mould structure of an automobile hat rack comprises an upper mould (1) and a lower mould (6), and is characterized by further comprising a middle mould (7), wherein the middle mould (7) is positioned between the upper mould (1) and the lower mould (6), the periphery of the upper mould (1) is respectively connected with the periphery of the middle mould (7) through four limit pull rods I (3), the periphery of the middle mould (7) is respectively connected with the periphery of the lower mould (6) through four positioning guide columns (5), the inner sides of the positioning guide columns (5) of the middle mould (7) and the lower mould (6) are also connected with a limit pull rod II (18), the bottom surface of the upper mould (1) is fixedly connected with a convex mould (2) for forming the automobile hat rack framework, the outline of the convex mould (2) is the same as that of the automobile hat rack framework, a positioning inclined plane (4) capable of positioning the automobile hat rack framework is downwards sunken on the upper end surface of the middle mould (7), a through groove (8) penetrating through the upper and lower surfaces of the middle mould (7) is arranged on the inner side of the positioning inclined plane (4), the outline that leads to groove (8) is the same with the outline of terrace die (2), and the position that leads to groove (8) corresponds each other with the position of last mould (1) bottom surface terrace die (2), well mould (7) bottom surface is connected with cutting die (9) that can cut out the outer peripheral edge profile of decorative fabric, lower mould (6) upper surface middle part undercut is equipped with shaping die (11), lower mould (6) shaping die (11) correspond each other with the position that well mould (7) led to groove (8), the profile of lower mould (6) shaping die (11) is the same and correspond each other with the profile of last mould (1) terrace die (2), the shaping die (11) outside periphery of lower mould (6) upper surface is outstanding to be equipped with decorative fabric and decides profile (12).

2. The mold structure of a coat and hat stand for an automobile according to claim 1, wherein the contour of the finishing fabric molding surface (12) is substantially the same as the outer contour of the bottom cutting die (9) of the middle die (7) and corresponds in position to each other.

3. The mold structure of a coat and hat stand for an automobile according to claim 1, wherein a ring of upwardly recessed intermediate mold peripheral depressions (10) is formed in the outer edge of the cutting mold (9) at the bottom of the intermediate mold (7).

4. The mold structure of a coat and hat stand for an automobile according to claim 1, wherein a lower mold peripheral depression (13) lower than the horizontal position of the finishing fabric constant-shape surface (12) is further provided on the outer peripheral edge of the finishing fabric constant-shape surface (12) on the upper surface of the lower mold (6).

5. A process for producing an automobile hat rack by using the mold structure of the automobile hat rack of claim 1, comprising the following process steps: the method comprises the steps of putting a plate and a decorative fabric of a formed automobile hat rack framework into a mold, positioning the plate in a positioning inclined plane (4) of a middle mold (7), placing the decorative fabric in a lower mold (6) and covering a decorative fabric fixed surface (12), controlling the upper mold (1), the middle mold (7) and the lower mold (6) to be closed, simultaneously compounding the plate and the decorative fabric to form a hat rack framework workpiece (14) of an integrated structure in the forming process of the plate, and finishing the edge trimming work of the periphery of the decorative fabric in the compounding process.

6. The process for producing an automotive hatrack according to claim 5, further comprising the steps of: and (3) taking out the formed hat rack framework workpiece (14) from the die, putting the hat rack framework workpiece (14) on a glue spraying workbench, spraying glue on the decorative fabric rim charge (16) of which the periphery of the hat rack framework workpiece (14) is not connected to the framework folded edge (15), and adhering the decorative fabric adhered with the glue to the surface of the framework folded edge (15) of the periphery of the hat rack framework workpiece (14) to obtain a hat rack product.

Technical Field

The invention relates to a mold structure and a production process adopting the mold structure, in particular to a mold structure of an automobile hat rack and a production process of the automobile hat rack.

Background

Most of the existing automobile hat and coat stand products are formed by bonding plates (such as honeycomb plates, fiber plates, honeycomb fiber composite plates and the like) and decorative fabrics (such as needle punched fabrics, other non-woven fabrics and the like). The conventional manufacturing process is to punch and form a plate by a framework die, finish punching the decorative fabric in the punching die according to the outline of the automobile hat rack product, then put the formed framework and the punched decorative fabric into a composite die to be pressed into a connected structure, and generally spray glue between the framework and the decorative fabric in the process of compounding the framework and the decorative fabric. Because the edge forms the hem of turning over after the skeleton suppression, the hem that the skeleton periphery was turned over is connected with the decorative fabric and temporarily can't pass through automated production and accomplish, still need to glue decorative fabric periphery to skeleton hem surface through modes such as semi-automatic or manual.

The automobile hat rack mold and the manufacturing process have the following defects: 1. the production cost is high, three sets of dies (framework forming die, decorative fabric punching die and composite die) are needed to finish production, the equipment cost is high, the equipment occupies a large production field, each set of die needs one to two persons to operate, and the labor cost is high; 2. the production efficiency is low, and the production cycle of the product is long; 3. because the bending deformation can take place in the skeleton forming process, the decorative fabric is die-cut alone and then is compound with the skeleton, and the decorative fabric can be because of little aversion and dimensional error can not guarantee to account for hundred the parcel that corresponds with the skeleton size or have no error on the skeleton surface, and sometimes the decorative fabric can be because of displacement or dimensional error can not accurately be wrapped on the skeleton surface and influence car hat rack product appearance, and product quality can not obtain effective assurance.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a mold structure of an automobile hat rack and an automobile hat rack production process adopting the mold.

The technical scheme adopted by the invention for realizing the purpose is as follows: a mould structure of an automobile hat rack comprises an upper mould, a lower mould and a middle mould, wherein the middle mould is positioned between the upper mould and the lower mould, the periphery of the upper mould is respectively connected with the periphery of the middle mould through four limit pull rods I, the periphery of the middle mould is respectively connected with the periphery of the lower mould through four positioning guide columns, the inner sides of the positioning guide columns of the middle mould and the lower mould are also connected with a limit pull rod II, the bottom surface of the upper mould is fixedly connected with a convex mould for forming an automobile hat rack framework, the outline of the convex mould is the same as that of the automobile hat rack framework, the upper end surface of the middle mould is downwards sunken to be provided with a positioning inclined plane capable of positioning an automobile hat rack framework plate, the inner side of the positioning inclined plane is provided with a through groove penetrating through the upper surface and the lower surface of the middle mould, the outline of the through groove is the same as that of the convex mould, the position of the through groove corresponds to the position of the convex mould on the bottom surface of the upper mould, the middle mould is connected with a cutting mould capable of cutting the outline of the outer periphery of a decorative fabric, the middle part of the upper surface of the lower die is provided with a forming female die which is sunken downwards, the positions of the forming female die of the lower die and the middle die through groove correspond to each other, the outline of the forming female die of the lower die is the same as and corresponds to the outline of the male die of the upper die, and the periphery of the outer side of the forming female die of the upper surface of the lower die is provided with a decorative fabric fixed surface in a protruding manner.

The further technical scheme of the invention is as follows: the outline of the decorative fabric fixed surface is basically the same as the outline of the middle die bottom surface cutting die, and the positions of the decorative fabric fixed surface and the middle die bottom surface cutting die correspond to each other.

The further technical scheme of the invention is as follows: the outer edge of the cutting die at the bottom of the middle die is provided with a circle of middle die peripheral sunken parts sunken upwards.

The further technical scheme of the invention is as follows: the periphery of the outer side of the decorative fabric setting surface on the upper surface of the lower die is also provided with a lower die periphery concave part lower than the horizontal position of the decorative fabric setting surface.

The other technical scheme adopted by the invention for realizing the purpose is as follows: the production process of the automobile hat rack adopting the mold structure of the automobile hat rack comprises the following process steps: the method comprises the steps of putting a plate and a decorative fabric for forming the automobile hat rack framework into a die, positioning the plate in a positioning inclined plane of a middle die, putting the decorative fabric in a lower die, covering a decorative fabric fixed surface, controlling the upper die, the middle die and the lower die to be closed, simultaneously compounding the decorative fabric with the plate in the forming process to form a hat rack framework workpiece with an integrated structure, and finishing the edge trimming work of the decorative fabric in the compounding process.

The further technical scheme of the invention is as follows: further comprising the steps of: and taking out the formed hat and coat stand framework workpiece from the die, putting the hat and coat stand framework workpiece on a glue spraying workbench, spraying glue on the decorative fabric rim material of which the periphery of the hat and coat stand framework workpiece is not connected to the framework hem, and adhering the decorative fabric adhered with the glue to the surface of the framework hem of the periphery of the hat and coat stand framework workpiece to obtain a hat and coat stand product.

The die structure of the automobile hat rack and the production process of the automobile hat rack have the following beneficial effects: set up the mould into the mould, well mould, the lower mould, well mould middle part is equipped with logical groove, well mould bottom surface is equipped with the cutting die that can cut the decorative fabric, hat rack skeleton panel location is on well mould, decorative fabric places in the lower mould, at the in-process of panel shaping hat rack skeleton and decorative fabric complex formation integrated structure, and accomplish the decorative fabric cutting, compare with the background art and can reduce substantially manufacturing cost (including mould cost, cost of labor and place cost etc.), improve production efficiency, shorten product production cycle, and simultaneously, panel forms integrated structure at shaping hat rack skeleton in-process and decorative fabric complex, can improve the uniformity of product size, product quality has effectively been guaranteed.

The mold structure and the production process of the automobile hat rack of the present invention will be further described with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic view showing the overall structure of a mold structure of an automobile clothes tree according to the present invention;

FIG. 2 is a bottom view of the upper mold of the mold structure of the inventive automobile hatrack;

FIG. 3 is a bottom view of a middle mold of the mold structure of the inventive automobile hallstand;

FIG. 4 is a top view of the lower mold of the mold structure of the automotive hat and coat stand of the present invention;

FIG. 5 is a schematic view of a hatrack skeleton workpiece taken out of the inventive mold;

FIG. 6 is a schematic illustration of an automotive hatrack product;

the reference numbers illustrate: 1-upper die, 2-male die, 3-limit pull rod I, 4-positioning inclined plane, 5-positioning guide post, 6-lower die, 7-middle die, 8-through slot, 9-cutting die, 10-middle die periphery recess, 11-forming female die, 12-decorative fabric shaping surface, 13-lower die periphery recess, 14-hat rack framework workpiece, 15-framework folding edge, 16-decorative fabric rim charge, 17-hat rack product and 18-limit pull rod II.

Detailed Description

As shown in fig. 1 to 4, the mold structure of the automobile hat rack of the present invention includes an upper mold 1, a lower mold 6, and a middle mold 7. Well mould 7 is located between mould 1 and the lower mould 6, go up mould 1 and be connected around with well mould 7 through four limit pull rod I3 respectively all around, and well mould 7 is connected around with lower mould 6 through four positioning guide pillar 5 respectively all around, still be connected with limit pull rod II 18 in well mould 7 and the 5 inboard of the positioning guide pillar of lower mould 6, limit pull rod I3 can prevent to go up mould 1 and break away from well mould 7, limit pull rod II 18 can prevent that well mould 7 from breaking away from lower mould 6, accurate position relation between well mould 7 and the lower mould 6 can accurately be guaranteed to positioning guide pillar 5.

The bottom surface of the upper die 1 is fixedly connected with a male die 2 for forming an automobile hat rack framework, and the outline of the male die 2 is the same as that of the automobile hat rack framework. The upper end surface of the middle die 7 is downwards sunken to form a positioning inclined plane 4 capable of positioning the automobile hat rack framework plate, a through groove 8 penetrating through the upper surface and the lower surface of the middle die 7 is formed in the inner side of the positioning inclined plane 4, the outline of the through groove 8 is the same as the outline of the male die 2, and the position of the through groove 8 corresponds to the position of the male die 2 on the bottom surface of the upper die 1. The bottom surface of the middle die 7 is connected with a cutting die 9 capable of cutting the outline of the outer periphery of the decorative fabric, the cutting die 9 is fixed on the bottom surface of the middle die 7 through a fixing device, the outline of the cutting die 9 is the same as the outline of the decorative fabric to be cut at last, and a circle of middle die peripheral sunken part 10 sunken upwards is arranged on the outer edge of the cutting die 9 at the bottom of the middle die 7. The middle part of the upper surface of the lower die 6 is provided with a forming female die 11 in a downward sunken mode, the positions of the forming female die 11 of the lower die 6 and the through groove 8 of the middle die 7 correspond to each other, the outline of the forming female die 11 of the lower die 6 is the same as and corresponds to the outline of the male die 2 of the upper die 1, and the periphery of the outer side of the forming female die 11 on the upper surface of the lower die 6 is provided with a decorative fabric fixing surface 12 in a protruding mode. The outline of the decorative fabric setting surface 12 is basically the same as the outline of the middle die 7 bottom cutting die 9, and the positions of the decorative fabric setting surface and the outline of the middle die 7 bottom cutting die 9 correspond to each other, when the middle die 7 bottom cutting die 9 cuts the decorative fabric downwards, the decorative fabric setting surface 12 can support the decorative fabric, wrinkles of the decorative fabric are prevented, and the cutting die 9 can finish cutting quickly and accurately. The lower die 6 is further provided at the outer periphery of the molding surface 12 for decorative fabric on the upper surface thereof with a lower die peripheral recess 13 having a lower level than the molding surface 12 for decorative fabric, and the lower die peripheral recess 13 is located at a position substantially corresponding to the position of the middle die peripheral recess 10. The scrap cut by the cutting die 9 falls into the lower die peripheral recess 13.

The invention relates to a production process of an automobile hat rack adopting the mold structure of the automobile hat rack, which comprises the following process steps: the method comprises the following steps of (a) putting a plate for forming the automobile hat rack framework and a decorative fabric into a die, wherein the plate is made of a paper honeycomb plate on the inner side and a material formed by mixing PP and glass fiber on the surface. The plate is positioned on the positioning inclined plane 4 of the middle mold 7, and the plate needs to be baked in a baking device to soften the surface before being placed into the middle mold 7. The decorative fabric is placed in the lower die 6 and covers the decorative fabric fixed surface 12, and the decorative fabric is a needle punched fabric. Then, the upper die 1, the middle die 7 and the lower die 6 are controlled to be matched, the upper die 1, the middle die 7 and the lower die 6 are simultaneously compounded with the decorative fabric to form a hat rack framework workpiece 14 with an integrated structure in the plate forming process, the edge trimming work of the decorative fabric is completed in the compounding process (namely when the upper die 1, the middle die 7 and the lower die 6 are matched), and the cutting die 9 at the bottom of the middle die 7 downwards cuts the periphery of the decorative fabric in the lower die 6 along with the middle die 7 to obtain the hat rack framework workpiece 14 shown in fig. 5; and (II) taking out the formed hat rack framework workpiece 14 from the die after the die is opened, putting the hat rack framework workpiece 14 on a glue spraying workbench, spraying glue on the decorative fabric rim charge 16 of which the periphery of the hat rack framework workpiece 14 is not connected to the framework folding edge 15, and adhering the decorative fabric adhered with the glue to the surface of the framework folding edge 15 of the periphery of the hat rack framework workpiece 14 to obtain a hat rack product 17, as shown in fig. 6.

The above embodiments are merely preferred embodiments of the present invention, and the present invention is not limited to the above embodiments, and any modifications, equivalents and the like, which are within the spirit and principle of the present invention, should be included in the protection scope of the present invention.