CN214693899U

CN214693899U - Toughened glass's forming system

Info

Publication number: CN214693899U
Application number: CN202120534492.8U
Authority: CN
Inventors: 赵雁; 张克治; 徐军升
Original assignee: Luoyang Landglass Technology Co Ltd
Current assignee: Luoyang Landglass Technology Co Ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-11-12
Anticipated expiration: 2031-03-15

Abstract

The utility model provides a toughened glass's forming system accomplishes the business turn over of glass in forming die department through conveyer belt conveyor to carry hot glass to the top back of bed die, the conveyer belt that bears hot glass is as the bed course of bed die shaping face and the shaping that the last mould cooperation accomplished hot glass simultaneously, the conveyer belt is made by the even flexible material of thickness. The utility model provides a solid mould's curved surface toughened glass's transport problem, improved transport efficiency, the shaping precision is higher.

Description

Toughened glass's forming system

Technical Field

The utility model relates to a glass production technical field especially relates to a molding system for toughened glass.

Background

The shape of the toughened glass is mainly divided into plane toughened glass and curved toughened glass, and along with market development, the requirement on the flatness of the plane toughened glass or the forming precision of the curved toughened glass is higher and higher. For curved surface toughened glass, molds are mostly adopted in the industry to realize the molding of the curved surface toughened glass, after a glass plate is taken out of a heating furnace, the glass plate is conveyed into a molding device by a conveying roller way, and the curved surface toughened glass is subjected to punch molding through the matching of an upper mold and a lower mold. The common setting form of the existing lower die comprises: (1) the rapid forming is realized through the forming of the hollow mould, but the supported part and the peripheral suspended part on the glass plate are deformed because the middle part of the hollow mould is in a suspended state, and the forming precision of the curved surface toughened glass is seriously influenced; (2) through the shaping of solid mould, but need hoist and mount or sucking disc carry around the glass shaping, though there is further improvement to glass's shaping precision, but above-mentioned transport mode's transport time is longer, glass's tempering time has been prolonged, and then glass's tempering quality has been influenced, and receive external environment's influence hot glass from going out of the stove to the transportation process of tempering and have more or less temperature reduction, hot glass's temperature is uncontrollable, can't make hot glass reach unified temperature and make it carry out shaping or tempering, thereby influence the shaping of toughened glass and the quality after the tempering.

SUMMERY OF THE UTILITY MODEL

For solving the problem among the prior art, the utility model discloses first aim at provides a curved surface toughened glass's fashioned molding system, utilizes the problem that this system can effectively solve curved surface toughened glass and carry to make toughened glass's shaping and the quality of tempering improve by a wide margin.

The utility model discloses technical scheme as follows:

the utility model provides a toughened glass forming system, which comprises a frame, a lifting mechanism, a forming die and a conveyor belt type conveying device;

the forming die comprises an upper die and a lower die which are matched with each other, and the upper die and/or the lower die are connected to the rack through a lifting mechanism; the interfitting may comprise a male-female fit or a planar fit.

The conveying belt type conveying device comprises a conveying belt and a conveying belt transmission mechanism; the conveyer belt is a high-temperature-resistant conveyer belt and is positioned between the upper die and the lower die, and the conveyer belt transmission mechanism comprises at least two rolling shafts and is used for driving the conveyer belt to do reciprocating motion or annular motion.

Preferably, the number of the rollers is two, and the two rollers are both winding shafts; or one of the rollers is a driving shaft, and the other roller is a driven shaft.

The number of the rolling shafts is four, and the first rolling shaft and the second rolling shaft are both winding shafts, are positioned below the lower die and are distributed on two sides of the forming die; the third roller and the fourth roller are follower shafts, are positioned between the upper die and the lower die and are distributed on two sides of the forming die, and the four rollers support the conveyer belt outside the lower die and are n-shaped.

The number of the rollers is four, and the four rollers support the conveying belt on the outer side of the lower die to form a closed loop; one of the rollers is a driving shaft, the other three rollers are driven shafts, and one side of at least one driven shaft is provided with an elastic part. The elastic piece is a spring or a tension spring.

The high-temperature resistant conveying belt is made of stainless steel fibers, glass fibers, Teflon or aramid fibers; or the high-temperature-resistant conveying belt is a flexible conveying belt coated with Teflon or high-temperature-resistant resin on the surface.

The surface of the upper die is provided with a heat insulation pad, and the heat insulation pad is made of stainless steel fibers, glass fibers, Teflon or aramid fibers; or the heat insulation pad is a flexible part coated with Teflon or high-temperature-resistant resin on the surface. The flexible piece is made of flexible materials.

Preferably, any one of the above schemes further comprises a positioning mechanism, wherein the positioning mechanism comprises a supporting piece for lifting the conveying belt, a supporting piece driving device for driving the supporting piece to move and a glass edge positioning device.

Preferably, the supporting member is a supporting plate, a tray or a roller way.

In the above aspect, it is preferable that the upper mold and the lower mold have a cooling function.

Preferably, the molding system further comprises a cooling device, and the cooling device is provided with a blowing surface matched with the target shape of the tempered glass. Furthermore, the blowing surface is composed of blowing ends of a plurality of air nozzles arranged at the bottom of the upper air box.

Above-mentioned scheme is preferred, go up mould and bed die and set up to be concave convex complex curved surface mould, go up mould and bed die and be solid full profile mould.

The above scheme is preferable that the upper die and the lower die are both mutually matched planar dies or flat plates.

Compared with the prior art, the beneficial effects of the utility model are embodied in:

1. the utility model provides a brand-new toughened glass's forming system, the problem that business turn over mould is difficult to the solution around having overcome the glass shaping, adopt high temperature resistant conveyer belt when sending hot glass into forming die, can participate in the shaping as the bed course of bed die in the forming process, can carry out the transport and the shaping of serialization through conveyer belt and rollgang from the whole process of coming out of the stove to the tempering, the conveying efficiency has been improved, the influence that the glass temperature receives the environment has been reduced, and then the glass tempering quality has been improved. The curved surface toughened glass is molded by the method and the system, so that the molding precision and the toughening quality of the curved surface toughened glass are greatly improved.

2. For the plane toughened glass, the surface of the small-size glass is rapidly pressed and molded by pressing the hot glass through the upper plane die and the lower plane die which are matched with each other, so that the flatness of the plane toughened glass is effectively improved.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another preferred embodiment of the present invention.

FIG. 3 is an isometric view of a forming apparatus incorporating the conveyor assembly of FIG. 1.

In the attached drawing, 1-an upper die, 2-a lower die, 3-a n-shaped conveyer belt, 4-a winding shaft, 5-a follow-up shaft, 6-a conveying roller way, 7-hot glass, 8-a ring conveyer belt, 9-a driving shaft and 10-a positioning mechanism.

Detailed Description

In order to make the contents of the present invention more clearly understood, the following description and the accompanying drawings are further described and explained.

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", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on 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.

Example 1

The embodiment provides a forming system for toughened glass, which comprises a rack, a lifting mechanism, a forming die and a conveyor belt type conveying device, wherein the rack is provided with a lifting mechanism; the forming die comprises an upper die 1 and a lower die 2 which are matched in a convex-concave mode, and specifically comprises the following steps: the hot glass 7 is bent and formed by adopting an upper die 1 and a lower die 2 which are matched in a convex-concave manner, wherein the upper die and the lower die are solid full-profile curved dies which are matched in a convex-concave manner; a high-temperature resistant conveying belt for conveying hot glass 7 is arranged above the lower die 2; the conveyer belt is used as a cushion layer of the forming surface of the lower die 2 and is matched with the upper die 1 and the lower die 2 to complete the forming of the hot glass 7. The high-temperature resistant conveying belt is made of stainless steel fibers, glass fibers, Teflon or aramid fibers; or the surface of the high-temperature-resistant conveying belt is coated with Teflon or high-temperature-resistant resin, the high-temperature-resistant conveying belt can resist the high temperature of more than 700 ℃, and the conveying belt is soft and can be converted into any shape along with a mold.

The upper die 1 is connected to the frame through a lifting mechanism; the conveyer belt is a high-temperature-resistant conveyer belt and is positioned between the upper die 1 and the lower die 2, and the conveyer belt transmission mechanism is used for driving the conveyer belt to do reciprocating motion or annular motion. The upper mold 1 in this embodiment is of a convex type. Alternatively, the lower mold 2 may be connected to a lifting mechanism.

A supporting piece is arranged between the conveying belt and the lower die 2; the hot glass 7 conveyed to the upper part of the lower die 2 by the conveyer belt is lifted when the supporting piece is in the working position; the glass edge positioning device positions the hot glass 7 to a set position; after the positioning is finished, the glass edge positioning device and the supporting piece return to the initial position, so that the conveying belt is used as a cushion layer of the forming surface of the lower die 2 to be matched with the upper die 1 and the lower die 2 to finish the bending forming of the hot glass 7. In this embodiment the support is a pallet.

As shown in fig. 1, the n-type conveyer belt 3 of the conveyer belt type conveying device is n-type, the n-type conveyer belt 3 is stainless steel fiber cloth, wherein the conveyer belt transmission mechanism includes four rollers, the first roller and the second roller are winding shafts 4, the third roller and the fourth roller are follower shafts 5, wherein the third roller and the fourth roller are located between the upper mold 1 and the lower mold 2 and distributed in both sides of the forming mold, the first roller and the second roller are located below the lower mold 2 and distributed in both sides of the forming mold, the conveyer belt is supported outside the lower mold 2 by the four shafts, the first roller and the second roller are connected with the motor through the clutch to drive the conveyer belt to make reciprocating motion. The two sides are an inlet side and an outlet side of the forming die. The surface of the upper die 1 is provided with a heat insulation pad, and the heat insulation pad is made of stainless steel fiber materials.

Basic working principle of the conveying device: the two ends of the inverted U-shaped conveying belt 3 are respectively wound and fixed on the two winding shafts 4, the middle two follow-up shafts 5 support the conveying surface of the inverted U-shaped conveying belt 3 to be equal to the height of the conveying roller bed 6, the conveying of the curved surface toughened glass and the resetting of the conveying belt are realized by the forward and reverse rotation of the winding shafts 4 at the two ends, and the forward rotation resets the wound conveying belt by conveying the curved surface toughened glass away and then reversing the direction.

Example 2

Different from the embodiment 1, the conveyor belt type conveying device, as shown in fig. 2, includes four rollers, the conveying belt is an annular ring-shaped conveying belt 8, one of the four rollers is a driving shaft 9, and the remaining three rollers are driven shafts 5, wherein one side of each of the two rollers above the conveying belt transmission mechanism is provided with an elastic member, and the elastic member is a spring; when the driving shaft 9 is in a follow-up state and the annular conveyer belt 8 is pressed down along with the upper die 1, the follow-up shaft 5 with one side provided with an elastic part moves towards the lower die 2. After the upper die 1 is lifted and reset, the follow-up shaft 5 is reset under the action of the elastic piece, and the annular conveying belt 8 is tensioned. The elastic piece is a spring. Alternatively, only one follower shaft 5 is required in the belt drive. The high-temperature-resistant conveying mesh belt is a flexible conveying mesh belt coated with Teflon or high-temperature-resistant resin on the surface. The flexible conveyor belt is made of a flexible material.

Basic working principle of the conveying device: the conveyer belt is supported outside the lower die 2 by the four shafts, and the conveyer belt is a circular transmission whole and only needs to do circular motion in one transmission direction.

The working principle of the forming system is as follows: glass is heated by a heating furnace and then is conveyed to an annular conveying belt 8 through a conveying roller way 6, the annular conveying belt 8 conveys hot glass 7 to the upper side of a lower die 2, the upper die 1 is pressed down to drive the annular conveying belt 8 to be attached to the lower die 2, a follow-up shaft 5 moves towards the direction of the lower die 2, after pressing is completed, the upper die 1 rises to reset, the follow-up shaft 5 resets along with the release of the elastic force of an elastic part, the annular conveying belt 8 is tensioned, a clutch is attracted, and a motor drives a driving shaft 9 to rotate, so that the glass 7 after being pressed is conveyed to the conveying roller way 6.

Example 3

As shown in fig. 3, different from embodiment 1, the forming system for tempered glass further includes a positioning mechanism 10, the positioning mechanism 10 is disposed between the conveying device and the upper mold 1, the positioning mechanism 10 includes a supporting member for lifting the conveying belt, a supporting member driving device for driving the supporting member to move, and a glass edge positioning device, and the supporting member is a supporting plate. The upper die 1 and the lower die 2 are solid full-profile dies and have a cooling function.

The working process of the curved toughened glass forming shown in figure 3 is as follows: the glass is heated by the heating furnace and then is transmitted to the inverted U-shaped conveyer belt 3 through the conveying roller bed 6, the inverted U-shaped conveyer belt 3 is lifted when the supporting piece is positioned at the working position, the winding shaft 4 at the inlet side is disconnected with the clutch to be in a follow-up state, the winding shaft 4 at the outlet side is sucked with the clutch so as to drive the inverted U-shaped conveyer belt 3 to rotate in the positive direction, and therefore the inverted U-shaped conveyer belt 3 is driven to convey the hot glass 7 to the upper part of the lower die 2, and the hot glass 7 is positioned to a set position by the glass edge positioning device; after the positioning is finished, the glass edge positioning device and the supporting piece return to the initial position, the clutch corresponding to the winding shaft 4 at the outlet side is separated and becomes a follow-up state, the upper die 1 is pressed down to drive the conveying belt to be attached to the lower die 2, after the pressing is finished, the upper die 1 is lifted and reset, the clutch corresponding to the winding shaft 4 at the outlet side is sucked, and the motor drives the winding shaft 4 to rotate, so that the inverted U-shaped conveying belt 3 is gradually tensioned, and the curved toughened glass after the pressure forming is conveyed to the conveying roller bed 6 to be conveyed to the air grid for toughening; then the winding shaft 4 at the inlet side is driven to rotate reversely, the n-shaped conveyer belt 3 is reset, and the reciprocating and circulating work is carried out. The inlet side and the outlet side are the inlet side and the outlet side of the glass entering and exiting forming die.

The upper die and the lower die of the die are solid full-profile dies which are respectively consistent with the shapes of the inner surface and the outer surface of the target curved toughened glass.

Example 4

Different from the above embodiment, the third roller and/or the fourth roller may be replaced by an arc-shaped supporting member with a smooth surface, and the contact surface of the supporting member and the conveying belt is arc-shaped, so that the curved toughened glass can be molded. Further, the surface of the arc-shaped supporting piece is provided with a rolling piece capable of freely rotating.

Example 5

Different from the above embodiment, the belt transmission mechanism has two rollers, one roller is a driving shaft 9, and the other roller is a driven shaft 5; or, both rollers are winding shafts 4; the conveying belt is supported outside the lower mold 2 by the two rolling shafts, and the glass is driven to enter and exit the mold by the driving shaft 9. Besides, a follow-up shaft 5 connected with an elastic part or an arc-shaped support part with a smooth surface can be arranged in the conveying belt transmission mechanism to realize the forming of the curved toughened glass.

Example 6

On the basis of any embodiment, the forming system further comprises a cooling device, and the glass is heated by the heating furnace, bent and formed by the upper die and the lower die, and then enters the cooling device for cooling and tempering; the cooling device comprises an upper air box and a lower air box, a plurality of air nozzles are arranged on the surfaces of the upper air box and the lower air box, the air nozzles are telescopic air nozzles, the air nozzles can be adjusted according to the target shape of the curved toughened glass to form an air blowing surface matched with the curved toughened glass, and the distance between the air blowing end of any air nozzle and the curved toughened glass to be toughened is equal, so that the air blowing uniformity of the cooling device is ensured.

Example 7

Different from the embodiment 2, the upper die 1 and the lower die 2 are both mutually matched planar dies or flat plates, and the conveyor belt type conveying device does not comprise an elastic piece; the plane mould or the flat plate means that the pressing surface of the plane mould or the flat plate, which is in contact with the glass, is a plane and is suitable for small-size plane toughened glass.

The working principle of the forming system is as follows: the plane glass is heated by the heating furnace and then is conveyed to the annular conveying belt 8 through the conveying roller way 6, the annular conveying belt 8 conveys the hot glass to the upper side of the lower die 2, the driving shaft 9 stops rotating, the upper die 1 is pressed downwards and attached to the lower die 2, after pressing is completed, the upper die 1 rises and resets, and the motor drives the driving shaft 9 to continue rotating, so that the glass 7 subjected to pressure forming is conveyed to the conveying roller way 6.

It should be noted that, the above embodiments are only used to illustrate the technical solution of the present invention, but not to limit the same, and the conveying belt transmission mechanism can also use two rollers or three rollers to realize conveying of the conveying belt in addition to the four rollers described in the above embodiments; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not substantially depart from the scope of the various embodiments of the present invention, and are intended to cover all the conventional modifications of the belt drive mechanism.

Claims

1. A toughened glass forming system is characterized by comprising a rack, a lifting mechanism, a forming die and a conveyor belt type conveying device;

the forming die comprises an upper die and a lower die which are matched with each other, and the upper die and/or the lower die are connected to the rack through a lifting mechanism;

2. The tempered glass forming system of claim 1, wherein there are two rollers, both of which are winding shafts; or one of the rollers is a driving shaft, and the other roller is a driven shaft.

3. The tempered glass forming system of claim 2, wherein the number of the rollers is four, and the first and second rollers are winding shafts, located below the lower mold and distributed at both sides of the forming mold; the third roller and the fourth roller are follower shafts, are positioned between the upper die and the lower die and are distributed on two sides of the forming die, and the four rollers support the conveyer belt outside the lower die and are n-shaped.

4. The tempered glass forming system of claim 2, wherein the number of the rollers is four, and the four rollers support the belt outside the lower mold and form a closed loop; one of the rollers is a driving shaft, the other three rollers are driven shafts, and one side of at least one driven shaft is provided with an elastic part.

5. The tempered glass forming system of claim 4, wherein the elastic member is a spring or a tension spring.

6. The tempered glass forming system of claim 1, wherein the high temperature resistant conveyor belt is made of stainless steel fiber, glass fiber, teflon or aramid fiber; or the high-temperature-resistant conveying belt is a flexible conveying belt coated with Teflon or high-temperature-resistant resin on the surface.

7. The tempered glass forming system of claim 1, wherein the upper mold surface is provided with a heat insulating mat made of stainless steel fiber, glass fiber, teflon or aramid; or the heat insulation pad is a flexible part coated with Teflon or high-temperature-resistant resin on the surface.

8. A tempered glass forming system as claimed in claim 1, further comprising a positioning mechanism including a support member for lifting the conveyer belt, a support member driving device for driving the support member to move, and a glass edge positioning device.

9. The tempered glass forming system of claim 8, wherein the support is a pallet, a tray, or a roller bed.

10. A tempered glass forming system as claimed in claim 1, wherein the upper and lower molds each have a cooling function.

11. The tempered glass forming system of claim 1, further comprising a cooling device having a blowing surface that fits a target shape of the tempered glass.

12. A tempered glass forming system as claimed in claim 11, wherein the blowing face is composed of blowing ends of a plurality of blast nozzles provided at a bottom of the upper windbox.

13. A tempered glass forming system as claimed in any one of claims 1 to 12, wherein the upper and lower molds are convex-concave mating solid full-profile curved molds.

14. A system for forming tempered glass as claimed in any one of claims 1 to 12, wherein the upper mold and the lower mold are flat molds or plates which are engaged with each other.