TWI633029B - Production method of rolling molding roof box and rolling molding roof box - Google Patents

Abstract

The invention relates to a method for manufacturing a rotomolded roof box and a rotomolding roof box. The method for manufacturing a rotomolded roof box comprises the following steps: providing a rotomolding mold; filling and heating; forming a roof a box; and forming an access opening. The rotomolded roof box includes a rotomolded roof box and at least one roof box door. Through the implementation of the invention, the rotomolding roof box has no gap and no windward surface jointing portion, and has strong structural force and ensures waterproofness; it is not necessary to use the fastening members of the upper and lower covers, and there is no risk of separation or fastening. It also saves the cost of the material and manufacturing cost of the roof box; the use of lightweight material can ensure the structural force, and can be easily used and operated by a single person; it can also avoid the danger of the roof box being separated due to the separation of the upper and lower covers during the running of the vehicle. The problem.

Description

Method for manufacturing rotomolded roof box and rotomolding roof box

The invention relates to a method for manufacturing a roof box and a roof box, in particular to a method for manufacturing a rotomolded roof box and a rotomolding roof box.

The demand for roof boxes has continued to increase substantially as the demand for cars has increased. However, the progress and improvement of the roof box used today is only a change in the appearance of the cool variety or the decoration of the shape, which requires the combination of the upper and lower covers, and there is still no improvement.

The conventional roof boxes are combined with the upper and lower covers, and are fixed by a plurality of fastening members. There is a need to increase the thickness to ensure the structural force, the upper and lower covers cannot be reliably combined and are easily separated by the wind, and the upper and lower covers are Can not really combine tight and can not be really waterproof and other shortcomings.

Moreover, the weight of the conventional roof box is very heavy, and it is very difficult for a single person to operate. Most users or a general woman can't move at all, let alone set up a roof box or operate.

Therefore, if a roof box manufacturing method and a completely seamless roof box can be invented, the roof box not only has no windward surface joint portion, but also has a strong structural force and ensures waterproofness, and it is not necessary to use the buckle of the upper and lower covers. The components are not separated or the risk of fastening is not tight, and the material and manufacturing cost of the roof box are saved. The use of light materials can ensure the structural force, and the single person can easily use and operate, and can avoid the roof. The problem of driving danger caused by the separation of the upper and lower covers during the running of the vehicle will surely become an important innovative thinking and progress breakthrough direction in the automotive industry technology.

The invention relates to a method for manufacturing a rotomolded roof box and a rotomolding roof box. The method for manufacturing a rotomolded roof box comprises the following steps: providing a rotomolding mold; filling and heating; forming a roof a box; and forming an access opening. The rotomolded roof box includes a rotomolded roof box and at least one roof box door. Through the implementation of the invention, the rotomolding roof box has no gap and no windward surface jointing portion, and has strong structural force and ensures waterproofness; it is not necessary to use the fastening members of the upper and lower covers, and there is no risk of separation or fastening. It also saves the cost of the material and manufacturing cost of the roof box; the use of lightweight material can ensure the structural force, and can be easily used and operated by a single person; it can also avoid the danger of the roof box being separated due to the separation of the upper and lower covers during the running of the vehicle. The problem.

The present invention provides a method for manufacturing a rotationally molded roof box, comprising the steps of: providing a rotational molding die, wherein the rotational molding die is an openable three-dimensional rotational molding die; performing filling and heating, Filling the plastic to the rotational molding die, and heating the rotational molding die to uniformly adhere the plastic to the inner surface of the rotational molding die; forming a roof box that will adhere to the inner surface of the rotational molding die The plastic cools and forms a roof box; and forms a pick-up opening that is cut into at least one side of the roof box to form a pick-up opening.

The invention further provides a rotomolding type roof box, comprising: a rotomolded and gapless roof box, wherein at least one side is cut and formed with a receiving opening; and at least one roof box door, wherein each The side surface of the cutting and forming the receiving opening is combined with a roof box door, and the roof box door can openly cover the receiving opening.

With the implementation of the present invention, at least the following advancements can be achieved:

First, no seams, no windward surface joints, strong structural strength and ensure waterproof.

Second, it is not necessary to use the fastening parts of the upper and lower covers, and there is no risk of separation or fastening.

Third, the use of lightweight materials can ensure structural strength, single can be easily used and operated.

Fourth, reduce the cost of manufacturing and materials.

5. Avoid driving danger when the roof box is separated due to the separation of the upper and lower covers during the running of the vehicle.

In order to make those skilled in the art understand the technical content of the present invention and implement it, and according to the disclosure, the patent scope and the drawings, the related objects and advantages of the present invention can be easily understood by those skilled in the art. The detailed features and advantages of the present invention will be described in detail in the embodiments.

S100‧‧‧Roll-formed roof box manufacturing method

S10‧‧‧ provides a rotomolding mould

S20‧‧‧ for filling and heating

S30‧‧‧ forming a roof box

S40‧‧‧ forming access

S50‧‧‧ forming a waterproof groove

S60‧‧‧ combined with roof box door

100‧‧‧Rotational molded roof box

10‧‧‧Rotation molding mould

20‧‧‧ plastic

30‧‧‧Car roof box

31‧‧‧ side

32‧‧‧ bottom

40‧‧‧Remove

50‧‧‧Waterproof groove

60‧‧‧Car roof doors

70‧‧‧Air pump

71‧‧‧ Connecting rod

80‧‧‧ linkage lock

90‧‧‧ reinforcing ribs

200‧‧‧ Straight arrow

300‧‧‧round arrow

400‧‧‧External rotating components

1 is a flow chart showing a method of manufacturing a rotationally molded roof box according to an embodiment of the present invention.

2 is a perspective view of a rotational molding die according to an embodiment of the present invention.

3A is a perspective view of a rotomolded roof box according to an embodiment of the present invention.

FIG. 3B is a schematic cross-sectional view showing a rotationally molded roof box having a take-up port according to an embodiment of the present invention.

3C is a perspective view of another rotomolding roof box having a take-up port according to an embodiment of the present invention.

4A is a flow chart showing a method of manufacturing a rotationally molded roof box further including the step of forming a waterproof groove according to an embodiment of the present invention.

Fig. 4B is a perspective view showing a rotomolding type roof box manufactured by the manufacturing method of the embodiment of Fig. 4A.

4C is a flow chart showing a method of manufacturing a rotationally molded roof box further including a step of combining a roof box door according to an embodiment of the present invention.

FIG. 5A is a flow chart showing a method of manufacturing a rotationally molded roof box further including a step of forming a waterproof groove and a step of combining a roof box door according to an embodiment of the present invention.

Fig. 5B is a perspective view showing a rotomolding type roof box manufactured by the manufacturing method of the embodiment of Fig. 5A.

Figure 5C is a perspective view showing the closed cover of the roof box door in the embodiment of Figure 5B.

Figure 6A is a perspective view of the roof box door with a link lock.

Figure 6B is a perspective view showing the position of the roof box door locked by the link lock to the access opening.

FIG. 7A is a perspective view showing a rotomolding type roof box further having a reinforcing rib at the bottom of the roof box according to an embodiment of the present invention.

Figure 7B is a perspective view of a roof box door connected by a connecting rod and having an air pump according to an embodiment of the present invention.

FIG. 8A is a perspective view showing a roof box door of the embodiment of the present invention in a top-open rotomolding type roof box.

FIG. 8B is a perspective view showing a roof box door of the embodiment of the present invention in a lower open type rotomolding type roof box.

FIG. 8C is a perspective view showing a roof box door in which the roof box door is a side-open type rotomolding type roof box according to an embodiment of the invention.

Figure 9 is a perspective view of a rotationally molded roof box according to an embodiment of the present invention.

Figure 10 is a perspective view of a rotationally molded roof box further having a waterproof recess according to an embodiment of the present invention.

Figure 11 is a perspective view showing the position of the roof box door locked by the link lock on the access opening.

FIG. 12A is a perspective view showing a rotationally molded roof box having reinforcing ribs at the bottom of the roof box according to an embodiment of the present invention.

12B is a perspective view of a rotationally molded roof box further having reinforcing ribs and waterproof grooves according to an embodiment of the present invention.

Please refer to FIG. 1 , which is a manufacturing method S100 of a rotomolded roof box according to an embodiment, comprising the steps of: providing a rotational molding die (step S10); performing filler and heating (step S20); Forming a roof box (step S30); and forming a pick-up port (step S40).

As shown in FIG. 1 , FIG. 2 and FIG. 3A , a rotational molding die (step S10 ) is provided, and a roof molding box 30 is manufactured using a rotational molding die 10 , wherein The rotational molding die 10 is an openable three-dimensional rotational molding die.

Referring to FIG. 1 , FIG. 2 , and FIG. 3A , the filler and the heating are performed (step S20 ), which is filled with the plastic 20 to the rotational molding die 10 , and the rotational molding die 10 is closed and self-rotating. The exterior of the molding die 10 is heated to uniformly adhere the plastic to the inner surface of the rotational molding die 10.

As shown in Fig. 2, the plastic 20 is melted after being heated and attached to the inner surface of the rotational molding die 10 to form a shape provided by the entire inner surface of the rotational molding die 10.

The portion of the straight arrow 200 of Fig. 2 indicates that the rotational molding die 10 is heated by an external heat source, and the portion of the circular arc arrow 300 indicates that the rotational molding die 10 is heated when the rotational molding die 10 is heated. It can be controlled by the external rotating member 400 to roll in at least one axial direction, so that in addition to uniform heating, the heated plastic 20 in the rotational molding die 10 can be evenly attached to the entire rotational molding die 10 . The inner surface.

The aforementioned plastics used may be high density polyethylene (HDPE), polypropylene (PP, Polypropylene), acrylonitrile, butadiene, styrene (ABS, Acrylonitrile-Butadiene-Styrene) or polycarbonate (PC). , Poly Carbonate) or other lightweight and durable plasticized material, and different plastics 20 can be heated at different temperatures to melt and evenly adhere to the inner surface of the rotational molding die 10.

As shown in Figs. 1, 2, and 3A, a roof box is formed (step S30), which cools the plastic attached to the inner surface of the rotational molding die 10, and forms a roof box 30.

The shape of the roof box 30 can be selected or made specific for different applications. The rotomolding molding die 10 meets the application requirements. However, it can be confirmed that the roof box 30 manufactured by the method of manufacturing the rotationally molded roof box S100 is completely formed and completely free of joints, and is not only light and strong, but also waterproof, and does not need to use any joint elements. , which can reduce the manufacturing process and greatly reduce the cost of manufacturing and installation.

As shown in FIG. 1 , FIG. 2 , FIG. 3B , and FIG. 3C , when the access opening is formed (step S40 ), at least one side surface 31 of the roof box 30 is cut to form a receiving opening 40 as The inlet or the outlet of the object, wherein, as shown in FIGS. 3B and 3C, the access opening 40 can be cut and formed on at least one side of the left side surface, the right side surface or the rear side of the roof box 30.

Next, referring to FIG. 3C and FIG. 4A, the manufacturing method S100 of the rotational molding roof box may further include a step of forming a waterproof groove (step S50), and forming a waterproof groove (step S50) is attached to The surface of the roof box 30 next to the receiving port 40 forms at least one waterproof groove 50. The waterproof groove 50 has the functions of waterproofing, guiding water and enhancing structural strength and bonding strength.

As shown in FIG. 4B, a roof box 30 in which the waterproof recess 50 is formed on the surface of the roof box 30 next to the access opening 40 is shown.

Next, referring to FIG. 4C, the manufacturing method S100 of the rotomolded roof box may further include a step of combining the roof box door (step S60), which is coupled to the roof box at the take-up port 40. Door 60.

As shown in FIG. 5A, FIG. 5B and FIG. 5C, the method of manufacturing the rotationally molded roof box S100 may further include a step of forming a waterproof groove (step S50) and a combination of the roof box door (steps). In step S60), the manufactured roof box 30 has both the waterproof recess 50 and the roof box door 60.

Thus, when the roof box door 60 is closed to cover the access opening 40, the vehicle One of the top door doors 60 or the edge portion can be tightly snapped into the waterproof recess 50 so that the entire roof box 30 is completely waterproof.

Furthermore, as shown in FIGS. 6A and 6B, the roof box door 60 can be coupled with a link lock 80. When the roof box door 60 is closed, the roof box door 60 can be locked by the link lock 80. At the access opening 40 of the roof box 30.

As shown in FIGS. 7A and 7B, the roof box door 60 can also be combined with an air pump 70, and the air tank 70 can be used to open or close the roof box door 60 more smoothly by air pressure.

As shown in FIG. 7B, the roof box door 60 on both sides of the roof box 30 is combined with an air pump 70, and then connected by a connecting rod 71, and can be connected to the roof box 30 from the connecting rod 71. Consolidation increases the stability of the roof box door 60.

As shown in FIG. 8A, FIG. 8B and FIG. 8C, the opening or closing of the roof box door 60 may be an open type, a lower open type or a side open type, or even a sickle type of a part of a sports car door. Also.

As shown in FIG. 7A, FIG. 8A, FIG. 8B and FIG. 8C, in order to greatly increase the structural force of the roof box 30, the bottom surface 32 of the roof box 30 may be formed with at least one reinforcing rib 90 to enable the vehicle. The top box 30 is more resistant to wind or other external forces during high speed driving without causing deformation or cracking.

Next, please refer to a rotomolded roof box 100 of the embodiment as shown in FIG. 9, which includes a rotomolded roof box 30 and at least one roof box door 60.

As shown in FIG. 9, at least one side surface 31 of the rotationally molded roof box 30 is cut and formed with a receiving opening 40, and a side surface 31 of each of which is formed with a receiving opening 40 is provided with a roof. a door 60, a set top door 60 and The access opening 40 is covered open.

Referring to FIG. 10 again, at least one waterproof groove 50 may be formed on the surface of the roof box 30 next to the access opening 40, so that the roof box door 60 is closed when the cover opening 40 is closed. One of the portions or the edge of the roof box door 60 can be tightly snapped into the waterproof recess 50, so that the entire roof box 30 is completely waterproof.

As shown in FIG. 11, the roof box door 60 can also be coupled with a link lock 80. When the roof box door 60 is closed, the link lock 80 can be locked to the access opening 40 of the roof box 30. At the office.

As shown in FIG. 12A and FIG. 12B, the roof box door 60 can be further connected with an air pump 70, that is, the roof box door 60 of the roof box 30 is combined with an air pump 70, and the air pump 70 is used to measure the air pressure. The roof box door 60 can be opened or closed more smoothly. When the roof box door 60 is two and disposed on the opposite side faces 31 of the roof box 30, the air pump 70 of the two roof box doors 60 may be connected by the connecting rod 71, and then the self-link 71 may be reconnected. The roof is further consolidated with the roof box 30 to increase the stability of the roof box door 60.

Similarly, as shown in FIGS. 12A and 12B, the bottom surface 32 of the roof box 30 may be formed with at least one reinforcing rib 90 to increase the structural force of the roof box 30, so that the roof box 30 can withstand high speed driving. Wind or other external force without deformation or damage.

In summary, the roof box 30 manufactured by the method for manufacturing the rotationally molded roof box of the present invention, or the rotomolded roof box 100, has the following special effects: no windward surface joint portion It has strong structural strength and ensures waterproofness; it does not need to use the fastening parts of the upper and lower covers, there is no risk of separation or fastening, and the material and manufacturing cost of the roof box are saved; the use of lightweight material can ensure the structural force Single person It can be easily used and operated; and it can avoid the problem that the top box of the conventional vehicle is dangerous to drive due to the separation of the upper and lower covers during the running of the vehicle.

The embodiments are described to illustrate the features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the present invention and to implement the present invention without limiting the scope of the present invention. Equivalent modifications or modifications made by the spirit of the disclosure should still be included in the scope of the claims described below.

Claims (12)

A method for manufacturing a rotomolded roof box, comprising the steps of: providing a rotomolding mold, wherein the rotomolding mold is an openable three-dimensional rotomolding mold; filling and heating, filling a plastic Up to the rotomolding mold, and heating the rotomolding mold to uniformly adhere the plastic to the inner surface of the rotomolding mold; forming a roof box that is attached to the inner surface of the rotomolding mold The plastic is cooled and forms a roof box; and a receiving opening is formed which is cut to form a receiving opening on at least one side of the roof box. The manufacturing method of claim 1, further comprising the step of forming a waterproof recess, wherein at least one waterproof recess is formed on a surface of the roof box adjacent to each of the access openings. The manufacturing method of claim 1, further comprising the step of combining a roof box door, wherein the access opening is combined with a roof box door. The manufacturing method of claim 2, further comprising a step of combining a roof box door, wherein the access opening is combined with a roof box door, wherein when the closing cover covers the access opening, the One part of the roof box door is tightly snapped into the waterproof recess. The manufacturing method of claim 3, wherein the roof box door is connected to an air pump, and the roof box door is an open top, a lower open type or a side open top Box door. The manufacturing method as described in claim 3 or 4, wherein the roof The door is telescopically locked to the access opening by a link lock. The manufacturing method of claim 3, wherein the bottom surface of the roof box is formed with at least one reinforcing rib. A rotomolded roof box, comprising: a rotomolded and seamless roof box, at least one side of which is cut to form a receiving opening; and at least one roof box door, wherein the cut is formed in each of the cuts The side surface of the access opening is combined with a roof box door, and the roof box door can openly cover the access opening. The rotomolding type roof box according to claim 8, wherein the roof box surface adjacent to the access opening forms at least one waterproof groove, and the roof box door closes the cover opening when the cover is closed One part of the roof box door is tightly snapped into the waterproof recess. The rotomolding formable roof box of claim 8, wherein the roof box door is locked to the access opening by a link lock. The rotomolding type roof box according to claim 8, wherein the roof box door is connected to an air pump. The rotomolding type roof box according to claim 8, wherein at least one reinforcing rib is formed on a bottom surface of the roof box.