TWM498663U - Hollow plate forming device and finished product thereof - Google Patents

Description

Hollow plate forming device and its finished product

The present invention relates to a hollow plate, and more particularly to a hollow plate forming device using recycled materials and a finished product thereof.

Referring to FIG. 1, a conventional hollow plate 1 includes a structure portion 11 and two surface layer portions 12 respectively connected to the structure portion 11. The structure portion 11 and the surface layer portions 12 are respectively composed of a first material and a second material. The structure of the hollow plate 1 is stabilized for use by the support of the structural portion 11.

However, since the hollow sheet 1 is often simply discarded after use, a large amount of the first material is not recycled and reused, so it is not environmentally friendly.

Accordingly, it is an object of the present invention to provide a hollow sheet forming apparatus utilizing a recyclable material and a finished product thereof.

Therefore, the hollow plate forming device of the present invention is configured to form a hollow plate, and the hollow plate includes a plurality of serial portions which are serially connected in a first direction and extend in a second direction perpendicular to the first direction, each of the series portions having a first layer formed by a first plastic and spaced apart from the first direction and the second direction by a first direction, and two disposed on the first layer a second plate layer made of a new plastic, the hollow molding device comprising a mold unit, the mold unit comprising a cavity, and a plurality of flow paths connecting the cavity, the cavity having a plurality of a first direction serially extending and extending toward the second direction to form body portions of the series of joint portions, each body portion having a second portion spaced apart from the third direction for receiving and molding the first layer a molding zone, and two disposed on the outer side of the first molding zone for receiving and molding the second molding zone of the second ply, each flow prop having an extrusion section connecting the corresponding molding zone, and a relative Keep away from the feeding section of the cavity.

The hollow plate of the present invention comprises a plurality of serially connected portions which are connected in series in a first direction and extend in a second direction perpendicular to the first direction, each of the tandem portions having a second orientation and a difference from the first a first layer disposed at a distance from the third direction of the second direction, and a second layer disposed on the outside of the first layer and made of a new plastic, wherein the first layer is Recycled plastic is formed by adding new plastic.

The effect of the present invention is that since the second layer layers located on the outer side are all made of the new plastic, the first layer layers located on the inner side are mixed by the recycled plastic and the new plastic. In order to achieve the effect of environmentally friendly production.

2‧‧‧Hollow plate

3‧‧‧ tandem

32‧‧‧ first layer

33‧‧‧ second ply

34‧‧‧ third ply

35‧‧‧Fourth layer

4‧‧‧Hollow plate forming device

5‧‧‧Mold unit

51‧‧‧ cavity

511‧‧‧ Main body

513‧‧‧First molding area

514‧‧‧Second forming area

515‧‧‧ Third molding zone

516‧‧‧4th forming zone

52‧‧‧ flow path

521‧‧‧Exit

522‧‧‧feeding section

523‧‧‧ Connection section

61~64‧‧‧Steps for hollow plate forming method

X‧‧‧ first direction

Y‧‧‧second direction

Z‧‧‧ third direction

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a schematic cross-sectional view of a conventional hollow plate; FIG. 2 is a hollow plate forming device of the present invention and its finished product. a partial perspective view of a hollow plate of a first embodiment; Figure 3 is a schematic view of a hollow plate forming apparatus of the first embodiment; Figure 4 is a cross-sectional view taken along line IV-IV of Figure 3; Figure 5 is a cross-sectional view taken along line VV of Figure 3; Figure 3 is a cross-sectional view taken along the line VI-VI; Figure 7 is a flow chart of the first embodiment; Figure 8 is a partial view of a hollow plate of the second embodiment of the hollow plate forming device of the present invention Figure 9 is a schematic view of a hollow plate forming apparatus of the second embodiment; Figure 10 is a cross-sectional view taken along line XX of Figure 9; Figure 11 is a cross-sectional view taken along line XI-XI of Figure 9; 12 is a cross-sectional view taken along the line XII-XII in Fig. 9; and Fig. 13 is a flow chart showing the fabrication of the second preferred embodiment.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to Figures 2 and 3, a first preferred embodiment of the novel hollow sheet forming apparatus and its finished product is applied to a hollow sheet forming apparatus 4 and is used to pressurize a hollow sheet 2.

The hollow plate 2 includes a plurality of tandem portions 3 which are connected in series in a first direction X and extend in a second direction Y perpendicular to the first direction X. In the present embodiment, the cross section of each of the series portions 3 is Z-shaped.

Each of the splicing portions 3 has a first slab 32 disposed at a distance from the third direction Z different from the first direction X and the second direction Y and is made of a first plastic material. The outer side of the first ply 32 is composed of one A second ply 33 made of a new plastic, and a third ply 34 disposed on the outside of one of the second plies 33 and made of a second plastic.

The material of the new plastic is made of one of polycarbonate (PC), polypropylene (PP) and acrylonitrile-styrene-butadiene copolymer (ABS), and the recycled plastic is made of the new plastic. After being formed and recovered, the second plastic is made of a conductive material or a UV-resistant material and is mixed with a new plastic. The first plastic is made of recycled plastic and added with a new plastic. The first plastic recycled plastics. The weight ratio is not less than 15%.

Referring to Figures 2, 3 and 4, the hollow plate forming apparatus 4 comprises a die unit 5 comprising a cavity 51 and five flow passages 52 communicating with the cavity 51.

The cavity 51 has a plurality of body portions 511 that are serially connected in the first direction X and extend Y in the second direction to form the tandem portions 3.

Each of the main body portions 511 has two first molding regions 513 which are spaced apart from the third direction Z for receiving and molding the first plate layers 32, and two are disposed outside the first molding regions 513 for the purpose. Forming and molding the second forming region 514 of the second plate layer 33, and a side of the second forming portion 514 corresponding to the third plate layer 34 for receiving and molding the third plate layer 34 The third forming zone 515.

Referring to Figures 3, 5 and 6, each flow passage 52 has an extruding section 521 connecting the corresponding forming zone, a feeding section 522 relatively far from the cavity 51, and a connection between the extruding section 521 and the feeding section 522. Connection segment 523. In the present embodiment, the connecting segments 523 are gradually bundled from the side adjacent to the feeding sections 522 toward the side adjacent to the extruding sections 521.

Referring to Figures 2, 3, 4, and 7, the molding method of the hollow plate 2 is applied to the mold unit 5, and includes the following steps 61 to 64.

At step 61, the mold unit 5 is provided.

At step 62, the first plastic is placed in the feed section 522 corresponding to the flow path 52 of the first molding zone 513, and the new plastic is placed in the feed section 522 of the flow path 52 corresponding to the second molding zone 514. The plastic, and the second plastic is placed in the feed section 522 corresponding to the flow path 52 of the third forming zone 515.

At step 63, the plastic in the melt flow path 52 is heated and guided to the cavity 51 for extrusion, wherein the first plastic is guided to the cavity 51 to extrude the first plate layer 32, new The plastic is guided to the cavity 51 and extrusion bonded to the opposite outer sides of the first plate layer 32 to form the second plate layer 33, and the second plastic is heated and melted and extruded against the same The third ply 34 is formed on the outer side of one of the second plies 33.

At step 64, a hollow plate 2 having a gap between the second plies 33 is extruded from the cavity 51.

Referring to Figures 8, 9, and 10, a second embodiment of the present invention is similar to the first embodiment, except that each of the series of portions 3 of the hollow plate 2 further has a third plastic. A fourth ply 35 is formed, the fourth ply 35 being located between the first plies 32.

The third plastic is made of recycled plastic or recycled plastic by adding new plastic, and the third plastic containing recycled plastic has a weight ratio greater than that of the first plastic, and the third plastic recycled plastic accounts for not less than the weight ratio. 90%, the weight loss of the first plastic recycled plastics ranges from 15% to 35%.

Referring to FIGS. 11 and 12, the number of the flow passages 52 of the mold unit 5 is six, and each of the main body portions 511 further has a fourth molding region 516 for receiving and molding the fourth plate layer 35. A zone 516 is located between the first forming zones 513, wherein the first runners 52 are coupled to the fourth forming zone 516.

Referring to Figures 8, 9, 10, and 13, the molding method of the hollow plate 2 is further applied to the third plastic in the feeding section 522 corresponding to the flow path 52 of the fourth molding zone 516 at step 62. The third plastic layer is also formed by guiding the third plastic to the cavity 51.

Thus, the second embodiment can achieve the same object and effect as the first embodiment described above, and can form a plurality of lamellar hollow plates 2.

In summary, after the new plastics and the recycled plastics recovered and reused are separately mixed into the flow channels 52, the pressure-molded hollow plate 2 has a ply of different materials, and The second plate layers 33 located on the outer side are all made of the new plastic, and the first plate layers 32 located on the inner side are made of the first plastic mixed with the recycled plastic and the new plastic. In order to achieve the effect of environmentally friendly production, it is indeed possible to achieve the purpose of this new type.

However, the above description is only for the embodiments of the present invention, and the scope of the present invention cannot be limited thereto, that is, the simple equivalent changes and modifications made by the present patent application scope and the contents of the patent specification are still It is within the scope of this new patent.

2‧‧‧Hollow plate

3‧‧‧ tandem

32‧‧‧ first layer

33‧‧‧ second ply

34‧‧‧ third ply

X‧‧‧ first direction

Y‧‧‧second direction

Z‧‧‧ third direction

Claims (6)

A hollow plate forming device for forming a hollow plate, the hollow plate comprising a plurality of serial portions which are connected in series in a first direction and extend in a second direction perpendicular to the first direction, each of the series portions having two to one phases a first plate layer which is spaced apart from the first direction and the second direction and which is formed by a first plastic material, and is disposed on the outer side of the first plate layer and is made of a new plastic material a second plate layer, the hollow molding device comprising: a mold unit, comprising a cavity, and a plurality of flow passages communicating with the cavity, the cavity having a plurality of serially connected to the first direction and facing the second direction Extending to form a body portion of the series of joint portions, each body portion having a first forming region spaced apart from the third direction for receiving and molding the first layer, and two disposed on the first portion The outer side of a forming zone is for receiving and molding the second forming zone of the second ply, each flow prop having an extruding section connecting the corresponding forming zone and a feeding section relatively far from the cavity. The hollow plate forming apparatus according to claim 1, wherein each of the series portions further has a third plate layer disposed on an outer side of one of the second plate layers, each body portion further There is a third molding zone disposed on a side of the second molding zone corresponding to the third ply for receiving and molding the third ply. A hollow plate comprising: a plurality of serially connected portions extending in a first direction and extending in a second direction perpendicular to the first direction, each of the tandem portions having a two-to-one difference a first plate layer spaced apart from the first direction and the third direction of the second direction, and a second plate layer coupled to the outside of the first plate layers and made of a new plastic, wherein the first plate The layer is formed by adding new plastic to the recycled plastic. The hollow board according to claim 3, wherein the new plastic material is one of polycarbonate (PC), polypropylene (PP), and acrylonitrile-styrene-butadiene copolymer (ABS). The recycled plastic is made by recycling the new plastic after molding. The hollow plate according to claim 3, wherein each of the series portions further has a third plate layer disposed on an outer side of one of the second plate layers, the third plate layer being provided with a conductive material Or a UV-resistant material and a second plastic mixed with the new plastic. The hollow board according to claim 4, wherein the recycled plastic of the first plastic occupies a weight ratio of not less than 15%.