Hot bending device for tempered glass processing
By designing a thermal bending processing device for tempered glass, the device includes a forming mechanism and a heating mechanism, the problem of insufficient heating uniformity in thermal bending processing of glass is solved, and more uniform heating and higher glass strength and stability are achieved.
Patent Information
- Application Number
- CN202422146418.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-09-03
AI Technical Summary
In the existing glass thermal bending processing methods, the glass heating uniformity is not high, resulting in large temperature differences, which easily generates stress concentration during the processing process, affecting the strength and stability of the glass.
A thermal bending device for tempered glass processing is designed, including a cabinet body, a molding mechanism and a heating mechanism. The forming mechanism consists of a mounting frame, a moving plate, an upper mold and a lower mold, which is used to extrude the glass; the heating mechanism consists of an expansion plate, a support plate and a spray head, which heats the glass and the mold evenly through the spray head to reduce temperature differences.
Through the use of this device, more uniform heating can be achieved during the hot bending process of glass, reducing stress concentration, and improving the strength and stability of glass.
Smart Images
Figure CN223033275U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of glass hot bending, and particularly relates to a hot bending device for processing tempered glass. Background Art
[0002] Tempered glass is a special glass that has been heat-treated, which improves its strength and heat resistance. Due to its excellent performance, tempered glass is widely used in the fields of architecture, furniture, automobiles, etc. However, under some special design requirements, it is necessary to perform hot bending processing on tempered glass to obtain a specific shape or curve. Currently, the mainstream hot bending processing method is to heat a flat glass using a furnace and then place it in a mold for extrusion molding.
[0003] However, this processing method has the problem of low heating uniformity, resulting in a large temperature difference between the surface and the interior of the glass, which easily causes stress concentration during the processing, thereby affecting the strength and stability of the glass. Therefore, a device is needed to solve the above problems. Summary of the Utility Model
[0004] Aiming at the deficiencies of the prior art, the utility model provides a hot bending device for processing tempered glass, which solves the problem of non-uniform temperature during the hot bending process of glass.
[0005] To achieve the above objectives, the utility model is realized through the following technical solutions: A hot bending device for processing tempered glass, comprising a cabinet body, a forming mechanism, and a heating mechanism. An inner part of the cabinet body is provided with a forming chamber;
[0006] The forming mechanism includes a mounting frame, a lower mold, and an upper mold. An inner part of the cabinet body is provided with a movable plate that can move up and down. The upper mold is arranged on the lower surface of the movable plate. The mounting frame is fixedly connected inside the forming chamber. The lower mold is detachably arranged on the upper surface of the mounting frame. The lower mold and the upper mold are used for extruding the glass;
[0007] The heating mechanism includes an extension plate, a support plate, and a spray head. The extension plate is rotatably arranged on the inner wall of the forming chamber. The support plate is fixedly connected to the middle of the mounting frame. The spray head is arranged on one side of the extension plate and the upper surface of the support plate for heating the mold.
[0008] Optionally, a telescopic rod is arranged on the top of the cabinet body. The output end of the telescopic rod penetrates through the top of the cabinet body and is located inside the forming chamber. The output end of the telescopic rod is fixedly connected to the top of the movable plate.
[0009] Optionally, a servo motor is arranged inside the forming chamber for adjusting the angle of the extension plate. The output end of the servo motor is connected to one side of the extension plate through a keyway.
[0010] Optionally, an air delivery pipe is provided on the side of the cabinet body, and one end of the air delivery pipe communicates with the inside of the spray head.
[0011] Optionally, a protective door is hinged to the front of the cabinet body, and an observation window is provided on the surface of the protective door for viewing the processing progress.
[0012] Optionally, a heat insulation board is provided on the back of the protective door to reduce heat loss.
[0013] The utility model provides a hot bending device for tempered glass processing, which has the following beneficial effects:
[0014] The utility model provides a hot bending device for tempered glass processing. Through the cooperative setting of the mounting frame, the moving plate, the upper mold and the lower mold, the moving plate can drive the upper mold to move downward, cooperate with the lower mold to extrude the flat glass, so that it forms a curved glass. Through the cooperative setting of the extension plate, the support plate and the spray head, the extension plate can adjust the heating angle of the spray head, making the heating more uniform when heating the glass, reducing the stress concentration caused by uneven temperature, and cooperating with the spray head arranged on the support plate, the mold can be heated, reducing the temperature difference between the mold and the glass, and further reducing the influence on the glass caused by the temperature difference. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a schematic structural diagram of the utility model;
[0016] Figure 2 is an expanded schematic structural diagram of the utility model;
[0017] Figure 3 is a schematic cross-sectional view of the front of the utility model.
[0018] In the figure: 1, cabinet body; 2, forming chamber; 3, mounting frame; 4, lower mold; 5, upper mold; 6, moving plate; 7, extension plate; 8, support plate; 9, spray head; 10, telescopic rod; 11, steering gear; 12, air delivery pipe; 13, protective door; 14, observation window; 15, heat insulation board. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0020] Please refer to Figures 1 to 3 , the present utility model provides a technical solution: a hot bending device for tempered glass processing, including a cabinet body 1, a forming mechanism and a heating mechanism, and a forming chamber 2 is opened inside the cabinet body 1;
[0021] The forming mechanism includes a mounting frame 3, a lower mold 4 and an upper mold 5. A movable plate 6 that can move up and down is provided inside the cabinet body 1. The upper mold 5 is arranged on the lower surface of the movable plate 6. The mounting frame 3 is fixedly connected inside the forming chamber 2. The lower mold 4 is detachably arranged on the upper surface of the mounting frame 3. The lower mold 4 and the upper mold 5 are used to extrude the glass.
[0022] The heating mechanism includes an extension plate 7, a support plate 8 and a spray head 9. The extension plate 7 is rotatably arranged on the inner wall of the forming chamber 2. The support plate 8 is fixedly connected to the middle of the mounting frame 3. The spray head 9 is arranged on one side of the extension plate 7 and the upper surface of the support plate 8, and is used to heat the mold.
[0023] The inner wall of the forming chamber 2 is provided with a heat insulation layer to reduce heat loss during processing and make it easier to maintain the temperature inside the forming chamber 2. The movable plate 6 can drive the upper mold 5 to move. After the upper mold 5 and the lower mold 4 are fitted together, the glass can be bent and formed. At the same time, both the upper mold 5 and the lower mold 4 can be disassembled, which is convenient for adjusting the arc of the mold according to different requirements. The extension plate 7 can be rotated to adjust the heating position of the spray head 9, making the heating more uniform when heating the glass. The spray head 9 on the support plate 8 can heat the lower mold 4 to further improve the heating uniformity.
[0024] In this embodiment, as a preferred solution, a telescopic rod 10 is provided at the top of the cabinet body 1. The output end of the telescopic rod 10 penetrates through the top of the cabinet body 1 and is located inside the forming chamber 2. The output end of the telescopic rod 10 is fixedly connected to the top of the movable plate 6.
[0025] The telescopic rod 10 drives the movable plate 6 to move up and down. When forming the glass, the upper mold 5 and the lower mold 4 can be pressed together to extrude and form the glass placed in the middle.
[0026] In this embodiment, as a preferred solution, a steering gear 11 is provided inside the forming chamber 2 to adjust the angle of the extension plate 7. The output end of the steering gear 11 is connected to one side of the extension plate 7 through a keyway.
[0027] The steering gear 11 is connected to the rotating shaft inside the extension plate 7. The rotation of the steering gear 11 can adjust the orientation angle of the extension plate 7, which is convenient for adjusting the heating angle at any time during heating.
[0028] In this embodiment, as a preferred solution, an air delivery pipe 12 is provided on the side of the cabinet body 1. One end of the air delivery pipe 12 communicates with the inside of the spray head 9.
[0029] The air delivery pipe 12 delivers the fuel gas to the spray head 9. After being ignited by the spray head 9, it heats the glass and the mold. An automatic shut-off valve is provided in the air delivery pipe 12 to improve safety.
[0030] In this embodiment, as a preferred solution, a protective door 13 is hinged to the front of the cabinet body 1. An observation window 14 is provided on the surface of the protective door 13 for viewing the processing progress, and a heat insulation board 15 is provided on the back of the protective door 13 for reducing heat loss.
[0031] The heat insulation board 15 encloses the observation window 14. At the same time, the observation window 14 is made of double-layer insulating glass. The two cooperate to reduce the heat emitted from the forming chamber 2 and improve the utilization rate of heat.
[0032] In the present utility model, the working steps of the device are as follows:
[0033] 1. When in use, install the upper mold 5 and the lower mold 4 in the forming chamber 2 as needed, and then place the glass on the lower mold 4;
[0034] 2. After placing, close the protective door 13. After opening the switch of the air delivery pipe 12, ignite the nozzle 9 to heat the glass and the mold;
[0035] 3. After the glass is softened, close the nozzle 9, and make the telescopic rod 10 drive the moving plate 6 to move downward, so that the upper mold 5 and the lower mold 4 are joined together to extrude the glass into shape;
[0036] 4. After forming, move the telescopic rod 10 upward to separate the upper mold 5 and the lower mold 4, and take out the glass.
[0037] Finally, it should also be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the element.
[0038] The specific embodiments provided by the present utility model have been introduced in detail above. Specific examples are used in this article to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model; at the same time, for those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present utility model.
Claims
1. A hot bending device for tempered glass processing, characterized in that: It comprises a cabinet (1), a molding mechanism and a heating mechanism, wherein a molding chamber (2) is provided inside the cabinet (1); The molding mechanism comprises a mounting frame (3), a lower mold (4) and an upper mold (5); a movable plate (6) which can move up and down is provided inside the cabinet (1); the upper mold (5) is arranged on the lower surface of the movable plate (6); the mounting frame (3) is fixedly connected to the inside of the molding chamber (2); the lower mold (4) is detachably arranged on the upper surface of the mounting frame (3); and the lower mold (4) and the upper mold (5) are used for pressing glass; The heating mechanism comprises an expansion plate (7), a support plate (8) and a nozzle (9); the expansion plate (7) is rotatably arranged on the inner wall of the molding chamber (2); the support plate (8) is fixedly connected to the middle part of the mounting frame (3); and the nozzle (9) is arranged on one side of the expansion plate (7) and on the upper surface of the support plate (8) for heating the mold.
2. A hot bending device for tempered glass processing according to claim 1, characterized in that: A telescopic rod (10) is provided on the top of the cabinet (1), the output end of the telescopic rod (10) passes through the top of the cabinet (1) and is located inside the molding bin (2), and the output end of the telescopic rod (10) is fixedly connected to the top of the movable plate (6).
3. The hot bending device for tempered glass processing according to claim 1, characterized in that: A steering gear (11) is provided inside the molding chamber (2) for adjusting the angle of the expansion board (7), and an output end of the steering gear (11) is connected to one side of the expansion board (7) via a keyway.
4. The hot bending device for tempered glass processing according to claim 1, characterized in that: An air supply pipe (12) is provided on the side of the cabinet (1), and one end of the air supply pipe (12) is communicated with the interior of the spray head (9).
5. The hot bending device for tempered glass processing according to claim 1, characterized in that: The front of the cabinet (1) is connected to a protective door (13) via a hinge, and a viewing window (14) is provided on the surface of the protective door (13) for viewing the processing progress.
6. The hot bending device for tempered glass processing according to claim 5, characterized in that: A heat insulation board (15) is provided on the back of the protective door (13) to reduce temperature loss.