TWI656957B - Combined mold for making case - Google Patents

Abstract

A combined mold for making a casing, comprising a master unit and a male unit. The female die unit includes a female base, at least two female pattern modules detachably fixed to the female base, and a female thickened seat detachably fixed to the female base, the male die unit including a a male base, at least two male pattern modules detachably fixed to the male base, and a male thick seat detachably fixed to the male base. The female thickening seat and the male thickening seat are detachably fixed to the female base and the male base, so that the same auxiliary mold can be applied to manufacture a front casing and a rear casing, and reuse the The female pattern module and the male pattern module are detachably fixed to the female base and the male base, so that the same auxiliary mold can be applied to the front case and the rear case with different shapes and patterns. Reduce mold manufacturing costs.

Description

Combined mold for making case

The present invention relates to a mold, and more particularly to a combined mold for making a case.

In recent years, due to the booming economy and convenient transportation, the opportunities for traveling abroad have increased greatly. Therefore, the suitcase manufacturers have also issued a variety of suitcases to meet the needs of consumers.

Most of the previous suitcase cases are made of plastic material, and the plastic material can be made into a hollow box by blow molding or plastic forming.

However, in recent years, due to the advancement of technology and the user's demand for the strength of the suitcase, the material for the case is also converted from a pure plastic material into a fiber-reinforced plastic laminate. Since the fiber layer in the fiber reinforced plastic laminate is not strong in shape, it is not suitable for blow molding or plastic molding, and must be molded.

There is a molding device for manufacturing a casing (US Pat. No. 8,663,531 B2), comprising a master mold having a cavity and a male mold, and a fiber reinforced plastic laminate is disposed on the top surface of the female mold, and the The master mold and the male mold are relatively close together, the reinforcement When the plastic laminate is softened by heat, the fiber reinforced plastic laminate can be molded.

Although the above molding apparatus can be used for manufacturing a casing, since the general trunk has a front casing and a rear casing, the front casing and the rear casing are not only different in thickness, but the surface design may be different, and thereafter The top of the case must be provided with a drawbar base, so the shape of the rear case and the front case will be different. In addition, the size of the trunk and the design of the pattern are also diversified. In this way, the manufacturer must manufacture a large number of molds for the manufacture of various styles and front casings of various sizes, and the manufacturing cost is also high. No high.

Accordingly, it is an object of the present invention to provide a combined mold for making a casing of a casing which can be used for making different patterns and shapes by using members to be combined with each other.

Thus, the combined mold for making a casing of the present invention comprises a master unit and a male unit. The female die unit includes a female base, at least two female pattern modules detachably fixed to the female base, and a female thickened seat detachably fixed to the female base, the female base having a a top surface, a cavity recessed by the top surface, and a recessed hole communicating with the cavity, the cavity being jointly defined by a die bottom surface and a die circumferential surface extending from the die bottom surface toward the top surface The lower concave hole is disposed at least on the bottom surface of the mold, and one of the mother pattern modules may be fixed in the lower concave hole, and has a mother pattern surface adjacent to the mold cavity and a plurality of a mother pattern portion of the mother pattern surface, the mother thickening seat is detachable The grounding pad is fixed on the top surface of the female base, and the female thickening seat has an inner hole having a peripheral edge contour identical to the circumferential surface of the die, so that the circumference of the inner hole can be aligned and applied to the upper edge of the peripheral edge of the die peripheral surface. The inner hole is used to increase the depth of the cavity. The male mold unit can be nested or separated from the female mold unit, and includes a male base, at least two male pattern modules detachably fixed to the male base, and a detachable fixing body a male thickened seat of the base, the male base having an upper end surface, a mold base protruding from the upper end surface and sleeved inside the mold cavity, and a concave hole disposed in the mold base, the mold The seat has a bottom side and a mold side extending from the bottom side toward the upper end surface, the upper recessed hole is disposed at least on the bottom side, and one of the male pattern modules can be fixed in the upper recessed hole, And having a male pattern surface relative to the master pattern surface surface and a plurality of common pattern portions disposed on the male pattern surface and opposite to the parent pattern portion, the male pattern portions and the parent pattern portions being concave and convex Complementary, the male thickening seat is detachably fixed on the upper end surface of the male base, and the height of the male die unit is increased by the male thickening seat.

The utility model has the advantages that: the female base of the female mold unit is matched with different mother pattern modules and the female thickening seat, and the male base of the male mold unit cooperates with different male pattern modules and male thickening seats, It can be used to manufacture front or rear cases with different textures and shapes, which can reduce the type of mold and reduce the cost of mold manufacturing.

100‧‧‧Female unit

10‧‧‧Female base

11‧‧‧ top surface

50‧‧‧fancy pattern module

51‧‧‧Male pattern face

52‧‧‧Common pattern

12‧‧‧ cavity

13‧‧‧ recessed hole

121‧‧‧Mold bottom

122‧‧‧Molding surface

20‧‧‧Female pattern module

21‧‧‧ mother pattern face

22‧‧‧Female pattern

20'‧‧‧Female pattern module

21'‧‧‧Master pattern face

22'‧‧‧Female pattern

23’‧‧‧Bumps

30‧‧‧Female padded seat

31‧‧‧ Inside hole

200‧‧‧March unit

40‧‧‧ public base

41‧‧‧ upper end

42‧‧‧ mold base

43‧‧‧Deep hole

421‧‧‧ bottom side

422‧‧‧Mold side

50’‧‧‧fancy pattern module

51'‧‧‧Male pattern face

52’‧‧‧Common pattern

53’‧‧‧Sink

60‧‧‧ Public thickening seat

300‧‧‧heating unit

71‧‧‧First runner

72‧‧‧Second runner

73‧‧‧ Third Runner

74‧‧‧ fourth runner

400‧‧‧Luggage

410‧‧‧ front case

420‧‧‧ rear case

430‧‧‧Front part

440‧‧‧ counterbore

450‧‧‧Rear pattern

460‧‧‧ rod holder

1‧‧‧Fiber-reinforced plastic laminate

Other features and effects of the present invention will be apparent from the embodiments of the drawings, in which: 1 is an exploded perspective view of a male mold unit of an embodiment of a combined mold for manufacturing a casing; FIG. 2 is an exploded perspective view of a male mold unit of the embodiment; FIG. 3 is one of the embodiments. A schematic plan view of a front case is shown, illustrating the state of the die unit and the male die unit in a mold opening state; FIG. 4 is a schematic view similar to FIG. 3, illustrating the master die unit and the male die unit FIG. 5 is a plan view showing one of the embodiments for making a rear case, illustrating the state of the female die unit and the male die unit in a mold opening state; FIG. 6 is similar to FIG. The operation schematic diagram illustrates the state in which the female mold unit and the male mold unit are closed; and FIG. 7 is a perspective assembled view of a luggage case made in the embodiment.

Referring to FIG. 1 , FIG. 2 and FIG. 7 , an embodiment of a combined mold for manufacturing a casing of the present invention is used for making a front casing 410 and a rear casing 420 of a trunk 400 , and the rear casing 420 The front case 410 is provided with a plurality of front patterns 430, and the rear case 420 has a counterbore 440 recessed in the top and a plurality of rear patterns 450, the counter holes 440 A pull rod holder 460 is installed. The combined mold for making the casing comprises a master unit 100, a male unit 200 and a heating and cooling unit 300. It can be understood that, in order to form a complete luggage 400, a wheel, a zipper, a handle (not shown), and the like are attached to the front casing 410 and the rear casing 420.

The master unit 100 includes a female base 10, at least two mother pattern modules 20, 20' detachably fixed to the female base 10, and a female thickening detachably fixed to the female base 10. Block 30.

The female base 10 has a top surface 11, a cavity 12 recessed by the top surface 11, and a recessed hole 13 communicating with the cavity 12. The cavity 12 is defined by a die bottom surface 121 and a die circumferential surface 122 extending from the die bottom surface 121 toward the top surface 11. The lower recessed hole 13 may extend from the die bottom surface 121 to the die circumferential surface 122. Relative sides.

One of the mother pattern modules 20, 20' is fixed in the lower recessed hole 13 and has a mother pattern surface 21, 21' adjacent to the mold cavity 12 and a plurality of the master pattern faces. 21, 21' of the mother pattern portions 22, 22'. In this embodiment, the mother pattern module 20 is used for molding the front case 410, and the parent pattern portion 22 is used for molding the front pattern portion 430, and the mother pattern module 20' is used for molding the rear box shell 420. The master pattern portions 22' are used to form the rear pattern portions 450, and the master pattern module 20' further has a bump 23' for molding the counterbore 440.

The female padded seat 30 has a rectangular hollow ring frame shape and is detachably fixed on the top surface 11 of the female base 10 and has an inner hole 31 having a peripheral edge contour identical to the die circumferential surface 122. The periphery of the inner hole 31 can be aligned and attached to the upper edge of the periphery of the die circumferential surface 122.

The male die unit 200 can be nested or separated from the female die unit 100, and includes a male base 40, at least two male pattern modules 50, 50' and one that are removably fixed to the male base 40. The male thick seat 60 of the male base 40 is detachably fixed.

The male base 40 has an upper end surface 41 , a die holder 42 projecting downwardly from the upper end surface 41 and sleeved inside the cavity 12 , and an upper recess 43 disposed in the die holder 42 . The die holder 42 has a bottom side surface 421 opposite to the upper end surface 41 and a die side surface 422 extending from the bottom side surface 421 toward the upper end surface 41. The upper recessed hole 43 may extend from the bottom side surface 421 to the mold side surface 422. On both sides.

One of the male pattern modules 50, 50' is fixed in the upper recessed hole 43 and has a male pattern surface 51, 51' with respect to the mother pattern surface 21, 21' and a plurality of The male pattern faces 51, 51' and the male pattern portions 52, 52' of the parent pattern portions 22, 22' are embossed with the parent pattern portions 22, 22' Complementary. And the male pattern module 50' further has a recessed portion 53' corresponding to the bump 23'.

The male thickening seat 60 has a rectangular plate shape and is detachably fixed to the upper end surface 41 of the male base 40.

The heating and cooling unit 300 includes a first flow path 71 disposed on the female base 10, a second flow path 72 disposed on the female thickened seat 30, and a third flow path 73 disposed on the male base 40. And a fourth flow path 74 disposed on the male thickening seat 60, the first flow The passage 71, the second flow passage 72, the third flow passage 73, and the fourth flow passage 74 can respectively introduce and derive heating and cooling fluids. The first flow path 71 is disposed on the bottom side of the mold bottom surface 121 of the female base 10 , and the second flow path 72 is disposed inside the female thickening seat 30 . The third flow path 73 is disposed on the male base 40 . Between the bottom side surface 421 and the upper end surface 41, the fourth flow path 74 is disposed inside the male thickening seat 60.

As shown in FIG. 1 and FIG. 3, before the front case 410 is to be formed, the mother pattern module 20 having the predetermined mother pattern portions 22 is selected, and the mother base of the mother mold unit 100 is locked with a plurality of screws. In the recessed hole 13 of the seat 10, the mold bottom surface 121 and the mother pattern surface 21 are flat. Next, as shown in FIG. 2 and FIG. 3, the male pattern module 50 having the predetermined pattern portions 52 is selected, and is locked in the upper concave hole 43 of the male base 40 of the male mold unit 200 with a plurality of screws. And the bottom side surface 421 and the male pattern surface 51 are flat. The male mold unit 200 is disposed above the master mold unit 100.

In a state in which the male mold unit 200 is opened relative to the master mold unit 100, a preheated and plastically reinforced fiber reinforced plastic laminate 1 (for example, a carbon fiber reinforced plastic laminate or a glass fiber reinforced plastic laminate) can be used. Placed on the top surface 11 of the master unit 100, and introduce a fluid having a heating effect and having a predetermined temperature into the first flow path 71 of the mother base 10, and a third flow path 73 of the male base 40, The master module unit 100 and the male mold unit 200 can be preheated. When the male mold unit 200 is operated to perform the mold closing operation toward the master mold unit 100 (see FIG. 4), the fiber reinforced plastic laminate 1 can be molded and shaped, and after a predetermined period of time, The fluid having a cooling effect and having a lower temperature is introduced into the first flow passage 71 and the third flow passage 73, so that the male mold unit 100 and the male mold unit 200 can be cooled, and can be shaped. The front case 410 is for shaping purposes.

When the male mold unit 200 is in a mold-opening state with respect to the female mold unit 100, the front case 410 can be formed.

As shown in FIG. 1 and FIG. 5, when the rear case 420 is to be made, since the rear case 420 has a larger thickness than the front case 410, it is first selected to have the predetermined mother pattern portion 22'. The female pattern module 20' is locked in a recessed hole 13 of the female base 10 of the female mold unit 100 with a plurality of screws, and the female thickening base 30 is locked to the female base 10 by a plurality of screws. The top surface 11 by which the inner hole 31 can be used to increase the depth of the cavity 12.

Continuing, as shown in FIG. 2 and FIG. 5, the male pattern module 50' having the predetermined pattern portions 52' is selected, and the upper concave hole 43 of the male base 40 of the male mold unit 200 is locked by a plurality of screws. Then, the male thickening seat 60 is locked to the upper end surface 41 of the male base 40 by a plurality of screws, whereby the height of the male mold unit 200 can be increased by the male thickening seat 60.

As shown in FIG. 6, when the male mold unit 200 and the female mold unit 100 are operated to perform mold closing and mold opening operations, the fiber reinforced plastic laminate 1 can be molded into the rear case 420. The rear case 420 is made in the same manner as the front case 410, so that it will not be described again.

Therefore, the composite mold assembly of the casing is made by the present invention, and the single mother base 10 is used to cooperate with the different mother pattern modules 20, 20', the female thickening seat 30, and the single male base 40 is utilized. The different male pattern modules 50, 50' and the male thickening seat 60 can be used to manufacture the front case 410 or the rear case 420 having different lines and shapes, and the parent base 10 and the In the case of the male base 40, it is only necessary to change the mother thickening seat 30 of different thicknesses, the male thickening seat 60, the mother pattern modules 20, 20' and the common pattern modules 50, 50' of different textures. Producing more styles of casings, which can reduce the types of molds and reduce the cost of mold manufacturing, can indeed solve the technical problems caused by the existing casing molds, and can greatly reduce the manufacturing cost of the casing.

In summary, the combined mold for manufacturing the casing of the present invention has a simple overall structure, and the assembly and disassembly operations of the components are easy, and the object of the present invention can be achieved.

However, the above is only the embodiment of the present invention, and the scope of the invention is not limited thereto, and all the equivalent equivalent changes and modifications according to the scope of the patent application and the patent specification of the present invention are still The scope of the invention is covered.

Claims (3)

A modular mold for making a casing, comprising: a female mold unit, comprising a female base, at least two mother pattern modules detachably fixed to the female base, and a detachable fixing on the female base The female base has a top surface, a cavity recessed by the top surface, and a lower recess connected to the cavity, the cavity is formed by a bottom surface and a bottom surface of the mold Forming a peripheral surface of the die extending toward the top surface, the lower recessed hole is disposed at least on the bottom surface of the die, and one of the parent pattern modules is fixed in the lower recessed hole and has an adjacent a mother pattern surface of the cavity and a plurality of mother patterns disposed on the surface of the mother pattern, the mother pad is detachably fixed on a top surface of the mother base, and the mother pad has a peripheral edge An inner hole having the same contour as the peripheral surface of the die, such that the periphery of the inner hole can be aligned and applied to the upper edge of the peripheral edge of the die surface, and the inner hole is used to increase the depth of the cavity; and a male die unit is opposite to the die The female mold unit is sleeved or separated, and includes a male base and at least two male pattern molds that are removably fixed to the male base And a male thickened seat detachably fixed to the male base, the male base having an upper end surface, a mold base protruding from the upper end surface and sleeved inside the mold cavity, and a mold base disposed on the mold base An upper concave hole of the mold base, the mold base has a bottom side and a mold side extending from the bottom side toward the upper end surface, and the upper concave hole is disposed at least on the bottom side, one of the male pattern modules The utility model can be fixed in the upper concave hole, and has a male pattern surface relative to the die surface of the mother pattern and a plurality of common pattern portions disposed on the male pattern surface and opposite to the parent pattern portion. The pattern portion and the mother pattern portion are complementary to each other, and the The thickening seat is detachably fixed on the upper end surface of the male base, and the height of the male die unit is increased by the male thickening seat. The combined mold for making a casing according to claim 1, further comprising a heating and cooling unit, the heating and cooling unit comprising a first flow path disposed on the female base and a first thickening seat disposed on the female thickened seat a second flow path, a third flow path disposed on the male base, and a fourth flow path disposed on the male thick seat. The combined mold for making a casing according to claim 2, wherein the first flow passage of the heating and cooling unit is disposed on a side of the bottom surface of the mold base, and the female thickening seat has a hollow ring frame shape. The second flow passage is disposed inside the female thickening seat, and the third flow passage is disposed between the bottom side surface of the male base and the upper end surface, and the fourth flow passage is disposed inside the public thickening seat.