CN215403818U - Hot bending equipment for glass production - Google Patents
Hot bending equipment for glass production Download PDFInfo
- Publication number
- CN215403818U CN215403818U CN202120409362.1U CN202120409362U CN215403818U CN 215403818 U CN215403818 U CN 215403818U CN 202120409362 U CN202120409362 U CN 202120409362U CN 215403818 U CN215403818 U CN 215403818U
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- Prior art keywords
- metal sleeve
- heating plate
- forming die
- channel
- placing groove
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- 239000011521 glass Substances 0.000 title claims abstract description 22
- 238000013003 hot bending Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 47
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 238000005086 pumping Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The utility model relates to the field of touch screen production equipment, in particular to hot bending equipment for glass production, which comprises a heating plate, wherein a forming die is arranged on the heating plate; the forming die is connected with a vacuumizing mechanism; the vacuumizing mechanism comprises a placing groove arranged on the forming die; a vacuumizing pipeline is connected in the placing groove; the heating plate is provided with a through channel for the vacuum pumping pipeline to pass through; a metal sleeve is arranged on the vacuumizing pipeline; and two ends of the metal sleeve are respectively connected with the forming die and the heating plate. The utility model discloses hot bending equipment for glass production, which is characterized in that a metal sleeve is additionally arranged, the metal sleeve plays a good bridging role, a gap between a heating plate and a forming die can be well avoided, and when the subsequent vacuum pumping is carried out for treatment, the phenomenon that the vacuum pumping operation cannot be smoothly carried out due to the fact that the gap exists between the heating plate and the forming die because the heating plate and the die are heated and deformed is avoided.
Description
Technical Field
The utility model relates to the field of touch screen production equipment, in particular to hot bending equipment for glass production.
Background
In recent years, 3D curved cover plates are rapidly developed, the hot bending process is continuously upgraded, and the traditional hot pressing process is gradually replaced.
The heat absorption process is concerned with its advantages of short cycle, less post-treatment, simple equipment, etc. However, the requirement for suction in the hot suction process is high, and how to enhance the negative pressure between the glass and the mold is particularly important.
The existing heat absorption technology is generally to heat glass to a softening point, and then absorb the glass to the surface of a mold in a vacuum pumping mode so as to enable the glass to be tightly attached to the mold, thereby achieving the high-standard molding requirement. Therefore, the larger the negative pressure value between the glass and the mold, the tighter the glass and the mold are attached to each other, and the better the molding is.
The existing heat absorption process is that a groove body structure is formed at the bottom of a mould, then the mould is horizontally placed on a heating plate in a hot bending machine, the groove body structure at the bottom of the mould is overlapped with a through hole on the heating plate, a vacuum pump is started to achieve the purpose of vacuumizing, and negative pressure is formed between glass and the mould.
However, heating deforms the heating plate and the mold, resulting in unevenness, and the sealing effect between the mold and the heating plate becomes poor, resulting in poor air suction effect, which affects the molding of the final glass. In view of the above-mentioned shortcomings, there is a need for an optimized design of conventional hot bending equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide hot bending equipment capable of avoiding the influence of the heating deformation of a mould and a heating plate on the fit between glass and the mould.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a hot bending device for glass production comprises a heating plate, wherein a forming die is arranged on the heating plate; the forming die is connected with a vacuumizing mechanism; the vacuumizing mechanism comprises a placing groove arranged on the forming die; a vacuumizing pipeline is connected in the placing groove; the heating plate is provided with a through channel for the vacuum pumping pipeline to pass through; a metal sleeve is arranged on the vacuumizing pipeline; two ends of the metal sleeve are respectively connected with the forming die and the heating plate; one end of the metal sleeve is placed in the placing groove, and the other end of the metal sleeve is placed in the cross-connecting channel.
The metal sleeve is sleeved on the vacuum-pumping pipeline; the vacuum pipe is characterized in that an internal thread is arranged on the metal sleeve, and an external thread is arranged on the vacuum pipe.
The cross-connecting channel comprises a base channel and a positioning channel, the positioning channel is positioned above the base channel, and the positioning channel is arranged opposite to the placing groove; one end of the metal sleeve is placed in the placing groove, and the other end of the metal sleeve is placed in the positioning channel.
The inner diameter of the positioning channel is the same as that of the placing groove; the basic channel and the vacuumizing pipeline have the same outer diameter.
The end part of the metal sleeve is provided with a positioning ring plate; the supporting platform is formed at the joint of the positioning channel and the basic channel, and a positioning ring groove is formed in the supporting platform.
The utility model has the advantages that:
the utility model discloses hot bending equipment for glass production, which is characterized in that a metal sleeve is additionally arranged, the metal sleeve plays a good bridging role, a gap between a heating plate and a forming die can be well avoided, and when the subsequent vacuum pumping is carried out for treatment, the phenomenon that the vacuum pumping operation cannot be smoothly carried out due to the fact that the gap exists between the heating plate and the forming die because the heating plate and the die are heated and deformed is avoided.
Drawings
The contents of the expressions in the various figures of the present specification and the labels in the figures are briefly described as follows:
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a sectional view of the junction of the forming die and the heating plate in the present invention.
Fig. 3 is a front view of the metal sleeve of the present invention.
The labels in the above figures are:
1. heating plate, 2, forming die, 3, metal sleeve, 4, standing groove, 5, cross-under passageway, 6, evacuation pipeline.
Detailed Description
The following description of preferred embodiments of the utility model will be made in further detail with reference to the accompanying drawings.
A hot bending device for glass production comprises a heating plate 1, wherein a forming die 2 is arranged on the heating plate 1; the forming die 2 is connected with a vacuumizing mechanism; the vacuumizing mechanism comprises a placing groove 4 arranged on the forming die 2; a vacuum pumping pipeline 6 is connected in the placing groove 4; the heating plate 1 is provided with a penetration channel 5 for a vacuum pumping pipeline 6 to penetrate through; the vacuum-pumping pipeline 6 is provided with a metal sleeve 3; two ends of the metal sleeve 3 are respectively connected with the forming die 2 and the heating plate 1; one end of the metal sleeve 3 is placed in the placing groove 4, and the other end of the metal sleeve is placed in the cross-connecting channel 5; the heating plate 1 and the forming die 2 are generally of the prior structure in the utility model, and the heating plate 1 and the forming die 2 are improved by the placement groove 4 of the metal sleeve 3 and the cross-connecting channel 5 on the forming die 2; the utility model discloses hot bending equipment for glass production, which is characterized in that a metal sleeve 3 is additionally arranged, the metal sleeve 3 plays a good bridging role, a gap between a heating plate 1 and a forming die 2 can be well avoided, and when the subsequent vacuumizing is carried out for treatment, the phenomenon that the vacuumizing operation cannot be smoothly carried out due to the fact that the gap exists between the heating plate 1 and the forming die 2 because the heating plate 1 and the die are heated and deformed is avoided.
Preferably, the metal sleeve 3 is sleeved on the vacuum-pumping pipeline 6; the metal sleeve 3 is provided with an internal thread, and the vacuum-pumping pipeline 6 is provided with an external thread; through the cooperation use of internal thread and external screw thread, realization metal casing 3 that can be fine is connected between 6 with the evacuation pipeline, makes things convenient for the dismantlement change between metal casing 3 and the evacuation pipeline 6.
Preferably, the cross-connecting channel 5 in the present invention includes a base channel 51 and a positioning channel 52, the positioning channel 52 is located above the base channel 51, and the positioning channel 52 is disposed opposite to the placing groove 4; one end of the metal sleeve 3 is placed in the placing groove 4, the other end of the metal sleeve is placed in the positioning channel 52, the metal sleeve 3 can be conveniently arranged by matching the basic channel 51 and the positioning channel 52, one end of the metal sleeve 3 is conveniently placed in the placing groove 4, the other end of the metal sleeve 3 is conveniently placed in the positioning channel 52, and meanwhile, in the actual setting process, the inner diameter of the positioning channel 52 is the same as that of the placing groove 4; the basic channel 51 is the same with the external diameter of the vacuumizing pipeline 6, and the internal diameter of the placing groove 4 is larger than the external diameter of the vacuumizing pipeline, so that a supporting platform structure is formed at the joint of the positioning channel 52 and the basic channel 51, the supporting platform can be used for limiting the metal sleeve 3, the metal sleeve 3 is prevented from moving downwards, and the subsequent vacuumizing device is convenient to arrange.
Preferably, the end of the metal sleeve 3 is provided with a positioning ring plate 31; a supporting platform is formed at the joint of the positioning channel 52 and the basic channel 51, and a positioning ring groove 53 is arranged on the supporting platform; the positioning ring plate 31 is matched with the positioning ring groove 53 on the supporting platform for use, so that a good positioning effect is achieved, the stability of the metal sleeve 3 and the vacuum-pumping pipeline 6 during arrangement is ensured, and meanwhile, the arrangement accuracy of the metal sleeve 3 and the vacuum-pumping pipeline 6 is also ensured.
It is clear that the specific implementation of the utility model is not restricted to the above-described embodiments, but that various insubstantial modifications of the inventive process concept and technical solutions are within the scope of protection of the utility model.
Claims (5)
1. The hot bending equipment for glass production is characterized by comprising a heating plate, wherein a forming die is arranged on the heating plate; the forming die is connected with a vacuumizing mechanism; the vacuumizing mechanism comprises a placing groove arranged on the forming die; a vacuumizing pipeline is connected in the placing groove; the heating plate is provided with a through channel for the vacuum pumping pipeline to pass through; a metal sleeve is arranged on the vacuumizing pipeline; two ends of the metal sleeve are respectively connected with the forming die and the heating plate; one end of the metal sleeve is placed in the placing groove, and the other end of the metal sleeve is placed in the cross-connecting channel.
2. A hot bending apparatus for glass production according to claim 1, wherein the metal sleeve is sleeved on the evacuation pipe; the vacuum pipe is characterized in that an internal thread is arranged on the metal sleeve, and an external thread is arranged on the vacuum pipe.
3. The hot bending apparatus for glass production according to claim 1, wherein the cross-connecting passage includes a base passage and a positioning passage, the positioning passage is located above the base passage, and the positioning passage is disposed opposite to the placement groove; one end of the metal sleeve is placed in the placing groove, and the other end of the metal sleeve is placed in the positioning channel.
4. The apparatus according to claim 3, wherein the positioning passage has an inner diameter equal to an inner diameter of the placing groove; the basic channel and the vacuumizing pipeline have the same outer diameter.
5. A hot bending apparatus for glass production according to claim 4, wherein the end of the metal sleeve is provided with a retainer ring plate; the supporting platform is formed at the joint of the positioning channel and the basic channel, and a positioning ring groove is formed in the supporting platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120409362.1U CN215403818U (en) | 2021-02-24 | 2021-02-24 | Hot bending equipment for glass production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120409362.1U CN215403818U (en) | 2021-02-24 | 2021-02-24 | Hot bending equipment for glass production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215403818U true CN215403818U (en) | 2022-01-04 |
Family
ID=79667366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120409362.1U Active CN215403818U (en) | 2021-02-24 | 2021-02-24 | Hot bending equipment for glass production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215403818U (en) |
-
2021
- 2021-02-24 CN CN202120409362.1U patent/CN215403818U/en active Active
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