CN212610247U

CN212610247U - Adopt hot air briquetting's curved device of 3D glass heat

Info

Publication number: CN212610247U
Application number: CN202020959289.0U
Authority: CN
Inventors: 匡万兵; 谭俊峰; 黄权
Original assignee: Hunan Saintly Technology Co ltd
Current assignee: Hunan Saintly Technology Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-02-26
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses an adopt curved device of 3D glass heat of hot briquetting, including under bracing pressure head, last pressure head, lower mould, air intake system, evacuation system and heating device. Through the 3D glass hot bending device of a hot air pressure forming, process glass through controllable hot pressing. The mechanism is simple, energy is saved, consumption is reduced, reliability is high, and the product qualification rate is high; meanwhile, intelligent control can be realized, and the operation is simple.

Description

Adopt hot air briquetting's curved device of 3D glass heat

Technical Field

The utility model belongs to the technical field of the curved device of 3D glass heat and specifically relates to an adopt curved device of 3D glass heat of steam pressure forming.

Background

Hot bending is a process of heating a workpiece to a predetermined bending temperature of the workpiece and then bending the workpiece. The 3D glass hot bending forming is a high-precision technological process for quickly producing 3D glass by putting base material glass and a mold into a forming chamber and sequentially carrying out the working procedures of preheating, pressure forming, pressure maintaining, cooling and the like according to set beat and temperature. The common 3D glass hot bending technology is a forming method of assembling an upper die and a lower die and then performing upper die and lower die pressing, and the method has the advantages that the upper die is always in direct contact with the upper surface of glass and generates external active pressing force, so that a special layer such as an AG layer preprocessed on the surface of the glass can be damaged, and the quality of the glass is influenced.

The conventional upper and lower die assembly mode for hot bending can affect the sequence of AG process treatment and hot bending forming in a 3D glass manufacturing process, and the upper and lower die assembly mode can damage an AG layer, so the upper and lower die assembly mode is required to be carried out after the glass is subjected to hot bending forming, but the prior three main AG glass surface treatment methods cannot rapidly solve the AG of the 3D glass at low cost, are non-adjustable spearheads, and therefore the 3D glass AG method cannot be solved or the hot bending method without damaging the AG is required to be solved.

For example, a 3D glass bending apparatus disclosed in chinese literature, which is under the publication number CN209352773U, discloses a 3D glass bending apparatus comprising: hot bending the matrix: the hot bending matrix is arranged in a heating cavity, a sectional heating coil, a pressing die assembly, a cylinder assembly and a hot pressing die; the sectional heating coil surrounds the inner side wall of the heating cavity horizontally arranged on the hot bending matrix and comprises a high-power section, a medium-power section and a low-power section, wherein the medium-power section is arranged at the middle section of the sectional heating coil and connected with the medium-power section at two sides, and the high-power section is arranged at two sides of the medium-power section; the die assembly comprises an upper die plate and a lower die plate, the upper die plate is arranged at the lower end in the heating cavity, and the lower die plate is arranged at the upper end in the heating cavity; the air cylinder assembly comprises an upper pressing air cylinder and a lower pressing air cylinder, the upper pressing air cylinder is arranged on the outer side of the lower end of the hot bending base body and is connected with the upper pressing template through a first air pressure shaft, and the lower pressing air cylinder is arranged on the outer side of the upper end of the hot bending base body and is connected with the lower pressing template through a second air pressure shaft; the hot pressing die is arranged in the heating cavity and is arranged between the upper pressing die plate and the lower pressing die plate. In this patent, go up the die plate and carry out work machining with the die plate down, can destroy the work piece surface, influence the quality of processing glass.

For example, a "hot bending processing apparatus and a method for processing a 3D curved glass cover plate" disclosed in chinese patent document, which relates to the field of processing a 3D curved glass cover plate, is disclosed in No. CN110451786A, and provides a hot bending processing apparatus including a heating module and an adsorption mold having an adsorption surface hot bending groove conforming to the surface shape of a target 3D curved glass cover plate, and having an adsorption surface provided with an air suction hole, through which air is drawn, and a glass cover plate to be hot bent is hot-bent into the target 3D curved glass cover plate by using a pressure difference; the method for processing the 3D curved glass cover plate comprises the steps of arranging the glass cover plate on the adsorption surface, extracting gas between glass to be bent and the adsorption surface while heating, and attaching the glass to the adsorption surface under the action of air pressure difference to form the 3D curved glass cover plate after being bent. In this patent, inhale through the suction hole and form pressure differential and treat that the glass of processing is processed, in the course of working, the pressure differential is uncontrollable, and processingquality can not guarantee, and in the course of working, glass surface temperature can not be guaranteed, is unfavorable for the glass shaping.

SUMMERY OF THE UTILITY MODEL

The glass hot bending device aims to solve the problem that the glass hot bending device in the prior art cannot ensure the surface quality of glass; the processing quality is low; the utility model processes the glass by controllable hot pressing through a hot-press forming 3D glass hot bending device, and has simple mechanism, energy saving, consumption reduction, high reliability and high product qualification rate; meanwhile, intelligent control can be realized, and the operation is simple.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

A3D glass hot bending device adopting hot air pressure forming comprises a lower supporting pressure head, an upper pressure head, a lower die, an air inlet system, a vacuumizing system and a heating device, wherein an air suction hole is formed in the middle of the lower supporting pressure head, and air below the lower die can be pumped out through the air suction hole to form pressure difference, so that the lower die is positioned more accurately; the upper pressure head is positioned above the lower supporting pressure head and can move up and down relative to the lower supporting pressure head through a driving device, and the upper pressure head is tightly matched with the upper surface of the lower die to form a good processing environment; the lower die is arranged on the lower supporting pressure head and positioned between the upper pressure head and the lower supporting pressure head; the gas inlet system is connected with and supplies gas to the upper pressure head; the vacuumizing system is connected with the lower supporting pressure head through the air pumping hole; the heating devices are respectively arranged on the upper pressure head and the lower support pressure head, so that hot gas required by hot bending and the temperature required by a processing environment are provided, and the processing precision is ensured; the lower die is provided with a cavity with an upward opening for hot bending and forming glass, and at least the cavity part is provided with a porous structure which can lead gas in the cavity to be led into the lower part of the lower die and be pumped away through an exhaust hole to form pressure difference, so that the processing and forming are more convenient; the upper pressure head is arranged to enable the upper pressure head to form a sealed cavity with the periphery of the cavity of the lower die when the upper pressure head is pressed down through the driving device, so that gas entering through the gas inlet system and heated through the heating device forms controllable positive pressure in the cavity, and through controllable hot air pressure processing, the processing precision is guaranteed, and the product quality is improved.

Further, the heating device comprises a heating plate and a soaking plate positioned on the inner face of the heating plate; so that hot gas required by the hot bending of the glass to be hot-bent is uniform, and the processing precision is improved.

Further, the heating device arranged on the upper pressure head also comprises a preheating plate arranged outside the heating plate; the hot gas temperature required by glass hot bending is higher, the processing time can be shortened through the preheating plate, and the processing efficiency is improved.

Furthermore, the lower supporting pressure head also comprises an equal-height block connected with the heating plate and a water cooling plate connected with the equal-height block, so that the influence of thermal deformation generated at the bottom on the flatness of the pressure head is prevented.

Further, the driving device is an electric cylinder device, an air cylinder device or a hydraulic cylinder device; the upper pressure head can move freely.

Furthermore, the air inlet system also comprises a pressure feedback and control system, so that the machining can be controlled visually, and the intelligent control is realized.

Compared with the prior art, the utility model has the advantages that: the forming method has the advantages of simple structure, energy conservation, consumption reduction, high reliability, no damage to the surface of a product, high product qualification rate, intelligent control, simpler and more convenient operation and advanced technology.

Drawings

Fig. 1 is a schematic view of the present invention.

Fig. 2 is a schematic view of the present invention.

In the figure:

1. an air intake system; 2. a control system; 3. preheating a plate; 4. heating plates; 5. a vapor chamber; 6. a lower die; 7. equal-height blocks; 8. a water-cooling plate; 9. a vacuum pumping system; 10. sealing the cavity; 11. a lower die lower cavity; 12. an air exhaust hole; 13. a cavity; 14. glass is to be hot bent; 15. an upper pressure head; 16. a lower supporting pressure head; 17. a drive device.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 and 2, a 3D glass hot bending apparatus formed by hot press molding according to the present invention includes a lower support press head 16 and an upper press head 15 positioned above the lower support press head 16; wherein, the upper ram 15 is provided with a cylinder device for driving the upper ram 15 to reciprocate up and down, and the driving device 17 here can also be a hydraulic cylinder device or an electric cylinder device in other embodiments; the lower die 6 is placed between the upper pressure head 15 and the lower supporting pressure head 16, and a lower die lower cavity 11 is formed between the bottom of the lower die 6 and the lower supporting pressure head 16; placing glass 14 to be bent in a cavity 13 of a lower die 6, driving an upper pressure head 15 to move downwards by an air cylinder device at the moment, pressing the lower die 6, and forming a sealing cavity 10 by the upper pressure head 15 and the glass 14 to be bent in the cavity 13 of the lower die 6; the gas inlet system 1 starts to supply gas, and the conveyed gas enters the sealed cavity 10 through the preheating plate 3, the heating plate 4 and the soaking plate 5 on the upper pressure head 15 and starts to process the glass 14 to be heated and bent; meanwhile, the heating plate 4 and the soaking plate 5 on the lower supporting pressure head 16 start to work, so that the hot bending processing environment is ensured, and the processing quality is ensured; meanwhile, the vacuumizing system 9 pumps out the gas in the lower die lower cavity 11 through the pumping holes 12, so that the lower die 6 is more stably positioned on the lower support pressure head 16, and the processing precision is ensured; the lower die 6 is of a porous structure, and when the vacuum pumping system 9 works, gas in a cavity 13 of the lower die 6 can be pumped away to form pressure difference, so that the processing is more convenient; the air inlet system 1 further comprises a pressure feedback and control system 2, so that hot air pressure during processing is controllable, and intelligent control is realized.

The above description is only for the specific embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims

1. The utility model provides an adopt curved device of 3D glass heat that hot gas briquetting moulded which characterized in that: comprises that

The middle of the lower supporting pressure head is provided with an air exhaust hole;

the upper pressure head is positioned above the lower supporting pressure head and can move up and down relative to the lower supporting pressure head through a driving device;

a lower die disposed on the lower support ram and positioned between the upper ram and the lower support ram;

the gas inlet system is connected with the upper pressure head and provides gas for the upper pressure head;

the vacuumizing system is connected with the lower supporting pressure head through the air suction holes;

the heating devices are respectively arranged on the upper pressure head and the lower support pressure head;

the lower die is provided with a cavity with an upward opening, and at least the cavity part is provided with a porous structure; the upper pressure head is arranged to form a sealed cavity with the periphery of the cavity of the lower die when the upper pressure head is pressed down by the driving device, so that the gas entering from the gas inlet system and heated by the heating device forms controllable positive pressure in the cavity.

2. The 3D glass hot bending apparatus according to claim 1, wherein: the heating device comprises a heating plate and a soaking plate positioned on the inner surface of the heating plate.

3. The 3D glass hot bending apparatus according to claim 2, wherein: the heating device arranged on the upper pressure head further comprises a preheating plate arranged outside the heating plate.

4. The 3D glass hot bending apparatus according to claim 2, wherein: the lower supporting pressure head also comprises equal-height blocks connected with the heating plate and water cooling plates connected with the equal-height blocks.

5. 3D glass hot bending apparatus according to claim 1, 2 or 3, wherein: the driving device is an electric cylinder device or an air cylinder device or a hydraulic cylinder device.

6. The 3D glass hot bending apparatus according to claim 4, wherein: the driving device is an electric cylinder device or an air cylinder device or a hydraulic cylinder device.

7. 3D glass hot bending apparatus according to claim 1, 2 or 3, wherein: the air intake system also includes a pressure feedback and control system.

8. The 3D glass hot bending apparatus according to claim 4, wherein: the air intake system also includes a pressure feedback and control system.

9. The 3D glass hot bending apparatus according to claim 5, wherein: the air intake system also includes a pressure feedback and control system.