CN206940727U - Glass forming equipment - Google Patents

Abstract

The utility model discloses a glass forming equipment, which includes a first mold structure, a second mold structure, a supporting ejector rod and a heating module. The first mold structure includes a first mold part and an inner mold part. The inner mold part is slidably disposed in the first mold part, and the inner mold part has a first molding part. The second mold structure is movably located next to the first mold structure. The second mold structure includes a second mold part, and the second mold part has a second molding part positioned corresponding to the first molding part. The support ejector pin passes through the first mold part to push the inner mold part. The heating module is used to heat the first mold structure and the second mold structure to cause thermal compression deformation of the molded glass. The glass molding equipment of this utility model can complete two-stage hot pressing molding in a single process, which not only effectively improves product quality, but also greatly saves the equipment costs and cumbersome operations required by traditional processes.

Description

Glass forming equipment

technical field

The utility model relates to a glass forming device, in particular to a glass forming device which can simultaneously carry out hot pressing in different directions for molded glass.

Background technique

Please refer to FIG. 1 , which is a schematic diagram of a conventional glass forming equipment 10 . The glass forming apparatus 10 includes a first mold part 12 , a second mold part 14 and a driving device 16 , and the driving device 16 drives the second mold part 14 to move relative to the first mold part 12 . The second mold part 14 is movably disposed on the first mold part 12 through the positioning module 18 , and there is a molding cavity 20 between the first mold part 12 and the second mold part 14 . After the molded glass 22 is put into the molding chamber 20 , the two sides of the molded glass 22 will contact the inner wall of the molding chamber 20 , and the middle area is suspended inside the molding chamber 20 . After the molded glass 22 is heated and softened, the first mold part 12 and the second mold part 14 clamp and press the molded glass 22 so that the edge of the molded glass 22 is thermocompressed according to the shape of the molding chamber 20 . If there is a need for bending in different directions, for example, to heat-press another convex point in the middle area of the molded glass 22, it is necessary to perform hot-press bending in different directions in two processes. In addition, the middle region of the molded glass 22 will present a curved arc or wave shape due to high temperature softening, such as the molded glass 22' drawn with a dotted line in Figure 1; the first mold part 12 and the second mold to be driven by the driving device 16 After the part 14 is molded, the curved or wavy area of the molded glass 22 will produce uneven marks on the plane after hot pressing. This defect is difficult to be leveled by subsequent processes and affects the transparency of the finished glass product.

Utility model content

The utility model relates to a glass forming equipment capable of hot-pressing molded glass in different directions at the same time, so as to solve the above-mentioned problems.

The utility model discloses a glass forming device, which is used for hot-pressing forming of a molded glass in different directions. The glass forming equipment includes a first mold structure, a second mold structure, a supporting ejector rod and a heating module. The first mold structure includes a first mold part and an inner mold part. The first mold part has an accommodating area and a molding area, and the molding area is arranged around the accommodating area. The inner mold part is slidably arranged in the accommodation area, and the inner mold part has a first forming part. The second mold structure is movably arranged beside the first mold structure to respectively press two opposite surfaces of the molded glass. The second mold structure includes a second mold part, and the second mold part has a second forming portion corresponding in position to the first forming portion. The supporting ejector rod passes through the first mold part to push the inner mold part, and the supporting ejector rod is used to drive the inner mold part to move relative to the accommodation area. The heating module is used to heat the first mold structure and the second mold structure, so that the molded glass passes through the molding area, the first molding part and the second molding part to produce thermal compression deformation.

The utility model further discloses that the glass forming equipment further includes a guide module, which is arranged on the first mold structure, and is used to guide the molded glass to be placed in the molding area. The wall surface of the hollow area of the positioning module has a connected plane portion and an inclined guide portion, and the inclined guide portion is used to guide the molded glass to enter the molding area through the plane portion. The glass forming apparatus further includes an actuation module connected to at least one of the first mold structure and the second mold structure, and the actuation module drives the relative displacement of the first mold part and the second mold part to clamp Hold the molded glass to apply pressure.

In the glass forming equipment of the present utility model, the inner mold part is stopped against the lower surface of the molded glass during the two hot press forming processes, which can effectively avoid the thermal bending and warping of the molded glass; The inner mold parts perform hot press forming on the molded glass that is different from the bending direction of the molding area, so that the glass forming equipment of the present utility model can complete two-stage hot press forming with different positions and directions in a single process, which is not only effective It can greatly improve the product quality, and at the same time greatly save the equipment cost and cumbersome operation required by the traditional process.

Description of drawings

Figure 1 is a schematic diagram of conventional glass forming equipment.

Fig. 2 is an exploded view of the components of the glass forming equipment according to the embodiment of the present invention.

Fig. 3 is an assembly view of the glass forming equipment of the embodiment of the present invention.

4 to 6 are schematic diagrams of the glass forming equipment of the embodiment of the present invention at different operating stages.

Wherein, the reference signs are explained as follows:

10 Glass forming equipment

12 first mold parts

14 Second mold part

16 drive unit

18 positioning module

20 molding chamber

22, 22' molded glass

30 Glass forming equipment

32 molded glass

321 First Surface

322 Second Surface

34 First mold structure

36 Second mold structure

38 Support ejector rod

40 heating blocks

42 guide module

421 Hollow Zone

422 Plane Department

423 Inclined guide

44 Actuation module

46 First Mold Part

461 holding area

462 Molding area

463 through holes

48 inner mold parts

50 First Molding Department

52 Second mold part

54 Second forming part

detailed description

Please refer to Figure 2 to Figure 6, Figure 2 is an exploded view of the components of the glass forming equipment 30 of the embodiment of the present invention, Figure 3 is an assembly view of the glass forming equipment 30 of the embodiment of the present invention, Figures 4 to 6 are respectively It is a schematic diagram of glass forming equipment 30 in different operation stages according to an embodiment of the present invention. The glass forming equipment 30 of the present utility model is used for performing hot-press forming on molded glass 32 in different directions at the same time. Specifically, the glass forming apparatus 30 may include a first mold structure 34 , a second mold structure 36 , a support pin 38 , a heating module 40 , a guiding module 42 and an actuating module 44 . The first mold structure 34 is mainly composed of a first mold part 46 and an inner mold part 48 slidably assembled. The accommodating area 461 of the first mold part 46 is used for accommodating the inner mold part 48 , and the molding area 462 is arranged around the accommodating area 461 . The upper surface of the inner mold part 48 has a first forming part 50 ; when the inner mold part 48 is placed in the receiving area 461 , the first forming part 50 faces the second mold structure 36 .

The second mold structure 36 is arranged beside the first mold structure 34 . The actuation module 44 is connectable to at least one of the first mold structure 34 and the second mold structure 36 such that the actuation module 44 can drive the first mold part 34 into opposition to the second mold part 52 of the second mold structure 36 displacement. In this embodiment, the actuating module 44 is adjacent to the second mold structure 36, which means that the actuating module 44 drives the second mold part 52 to move to the stationary first mold part 34, but the practical application is not limited thereto; for example That is to say, the actuating module 44 can also drive the first mold part 34 to move to the stationary second mold part 52, or can also synchronously drive the first mold structure 34 and the second mold structure 36 to move toward each other, as long as the first mold structure can be driven 34 and the second mold structure 36 stably approach and separate, all belong to the design category of the present utility model.

The second mold part 52 is also provided with a second forming 54 on the surface facing the first mold structure 34 . When the edge of the second mold part 52 is aligned with the molding zone 462 of the first mold part 46 , the position of the second forming part 54 preferably corresponds to the position of the first forming part 50 . The first molding part 50 and the second molding part 54 are convex-concave structures that match the structure. For example, the first molding part 50 is a concave hole part, and the second molding part 54 is a convex hull part. Of course, their configurations can also be converted and reversed. The first forming portion 50 is designed as a convex portion, and the second forming portion 54 is designed as a concave hole. When the first mold structure 34 and the second mold structure 36 press the two opposite surfaces of the molded glass 32 respectively, the partial regions of the molded glass 32 corresponding to the first forming portion 50 and the second forming portion 54 are formed by heat and pressure. Protruding shape; if the molded glass 32 is used for the screen of a smartphone, the protruding shape can be used to cover the lens assembly, but the practical application is not limited thereto.

The supporting ejector rod 38 is movably passed through the through hole 463 of the first mold part 46 for pushing the inner mold part 48 in the receiving area 461 close to or away from the second mold part 52 of the second mold structure 36 . The heating module 40 is disposed beside the first mold structure 34 and the second mold structure 36 , and can heat the first mold structure 34 and the second mold structure 36 to soften the molded glass 32 . The positioning module 42 is an optional accessory, which is disposed on the first mold structure 34 . The positioning module 42 can be a detachable component, which can be disassembled and assembled to the first mold structure 34 according to user requirements; or, the guiding module 42 can also be directly fixed or integrally formed on the first mold structure 34 . The hollow area 421 of the positioning module 42 is equal to or slightly larger than the size of the molded glass 32 , and the wall of the hollow area 421 has a connected planar portion 422 and an inclined guide portion 423 . When the molded glass 32 just falls into the guide module 42 , the placement angle of the molded glass 32 is assisted by the inclined guide portion 423 so that the molded glass 32 can pass through the plane portion 422 and enter the molding area 462 smoothly.

As shown in FIG. 4 , the user first puts the molded glass 32 on the first mold part 46, at this time the edge of the molded glass 32 stops against the molding area 462, and the middle area of the molded glass 32 hangs above the receiving area 461, And neither the inner mold part 48 nor the second mold part 52 has touched the molded glass 32 yet. When the heating module 40 heats the first mold structure 34 and the second mold structure 36 to a predetermined temperature, as shown in FIG. At this time, the molded glass 32 preferably still stops at the molding area 462; then the actuating module 44 drives the second mold structure 36 to move down, and the second mold part 52 presses the second surface 322 of the molded glass 32 relative to the first surface 321, The molded glass 32 that makes the first molded part 50 of the inner mold part 48 and the second molded part 54 of the second mold part 52 extrude a part, and this part of the molded glass 32 produces an outwardly protruding shape due to hot pressing; at this time, The thrust of the support rod 38 is greater than the thrust of the actuating module 44 , and the molded glass 32 maintains the initial position and height, and does not move down relative to the accommodating area 461 .

As shown in FIG. 6, after the first thermocompression forming of the protruding part is completed, the actuating module 44 increases the thrust (or reduces the support thrust of the supporting ejector pin 38), and the second mold part 52 presses the molded glass 32 and the inner mold. Part 48 descends relative to the accommodation area 461 of the first mold part 46, which means that the thrust of the actuating module 44 is greater than the thrust of the supporting ejector pin 38, so that the edge of the molded glass 32 is pressed by the molding area 462 for the second time. Hot pressing deformation. At this time, the plane window portion of the molded glass 32 is supported and protected by the inner mold part 48, which can keep the plane without wavy lines to avoid warping due to thermal bending. After the secondary hot press molding is completed, the glass forming equipment 30 moves the supporting mandrel 38 down to be away from the inner mold part 48, and moves the second mold part 52 up to separate from the first mold part 34; the first mold structure 34 leaves the working After that, the molded glass 32 formed by secondary bending can be taken out, and this operation is finished.

To sum up, the glass molding equipment 30 of the present utility model is provided with an inner mold part 48 that can move up and down inside the first mold structure 34, except that the molding area 462 of the first mold part 46 can be combined with the second mold part 52. Out of the mold, the inner mold part 48 and the second mold part 52 further form a first molding part 50 and a second molding part 54 at positions corresponding to each other. Therefore, when the first mold structure 34 and the second mold structure 36 are combined, the inner mold part 48 and the second mold part 52 utilize the first molding part 50 and the second molding part 54 to perform the first molding process in the middle area of the molded glass 32. The first hot press forming process is followed by the second hot press forming process by the first mold part 46 and the second mold part 52 with the molding area 462 .

Compared with the known technology, the glass forming equipment of the utility model stops the inner mold parts against the lower surface of the molded glass during the two hot press forming processes, which can effectively avoid the thermal bending and warping of the molded glass; in addition, the utility model can be used relatively A movable inner mold part performs hot pressing on the molded glass that is different from the bending direction of the molding area, so that the glass forming equipment of the present invention can complete two-stage heat treatment with different positions and directions in a single process. Compression molding not only effectively improves product quality, but also greatly saves equipment costs and cumbersome operations required by traditional processes.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. A kind of 1. glass shaping equipment, for carrying out the hot-forming of different directions to moulded glass, it is characterised in that the glass Former includes：

   First mould structure, it includes：

   First mold members, there is receiving area and molding region, the molding region to be compassingly set at around the receiving area；And interior mould Part, slidably it is arranged in the receiving area, the interior mold members have the first forming part；

   Second mould structure, actively it is other located at first mould structure with two apparent surfaces of the moulded glass that presses respectively, Second mould structure includes the second mold members, and second mold members have position correspondence in the second one-tenth of first forming part Type portion；

   Supporting post-rod, wearing first mold members, the interior mold members, the supporting post-rod are used for driving the interior mold members phase with ejection Moved for the receiving area；And heating module, for being heated to first mould structure and second mould structure, make The moulded glass produces hot compression deformation by the molding region, first forming part and second forming part.
2. 2. glass shaping equipment as claimed in claim 1, it is characterised in that the glass shaping equipment further comprises：

   A module is led, is arranged on first mould structure, for guiding the moulded glass to be seated in the molding region.
3. 3. glass shaping equipment as claimed in claim 2, it is characterised in that the hollow area wall for leading a module, which has, to be connected The planar portions and inclined conducting connect, the inclined conducting are used for guiding the moulded glass to enter the molding region via the planar portions.
4. 4. glass shaping equipment as claimed in claim 1, it is characterised in that the glass shaping equipment further comprises：

   Actuating module, first mould structure and second mould structure at least one is connected to, the actuating module drives First mold members and the second mold members relative displacement are moved, applies pressure to clamp the moulded glass.
5. 5. glass shaping equipment as claimed in claim 4, it is characterised in that the supporting post-rod not yet drives the interior mold members to stop During to the moulded glass, the actuating module does not drive second mold members to apply pressure to the moulded glass.
6. 6. glass shaping equipment as claimed in claim 4, it is characterised in that the interior mold members, which are stopped, is butted on the of the moulded glass During one surface, the actuating module promotes second mold members to press second surface of the moulded glass relative to the first surface, First forming part is entered with the moulded glass using second forming part extruding part.
7. 7. glass shaping equipment as claimed in claim 6, it is characterised in that the thrust of the supporting post-rod is more than the actuating module Thrust.
8. 8. glass shaping equipment as claimed in claim 4, it is characterised in that the moulded glass of part is by second forming part After the hot compression deformation of first forming part, the actuating module promotes the moulded glass the interior mold members is entered the receiving area, To extrude the outer rim of the moulded glass using the molding region.
9. 9. glass shaping equipment as claimed in claim 8, it is characterised in that the thrust of the actuating module is more than the supporting post-rod Thrust.
10. 10. glass shaping equipment as claimed in claim 1, it is characterised in that first forming part is shrinkage pool portion, and this Two forming parts are the convex closure portion in the form fit shrinkage pool portion.