CN212051119U - Glass hot bending die - Google Patents
Glass hot bending die Download PDFInfo
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- CN212051119U CN212051119U CN202020221825.7U CN202020221825U CN212051119U CN 212051119 U CN212051119 U CN 212051119U CN 202020221825 U CN202020221825 U CN 202020221825U CN 212051119 U CN212051119 U CN 212051119U
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- crank rocker
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Abstract
The utility model relates to a glass hot bending die, glass hot bending die is in including the shaping ring, a plurality of setting that are used for bearing glass shaping ring periphery positioner, a plurality of crank rocker device and actuating mechanism, a plurality of crank rocker device's both ends all articulate with the frame of glass hot bending die to form a plurality of pin joints in the frame on the surface, positioner includes setting element and pivot, two at least positioner correspond the outside that sets up at two adjacent sides of shaping ring, actuating device is connected with a plurality of crank rocker device's rocker, rotate with the pivot that drives a plurality of positioner through drive crank rocker device, make a plurality of setting elements switch between the low level that is less than the shaping ring and the high level that is higher than the shaping ring. The application provides a curved mould of glass heat's advantage lies in having realized that glass is quick accurate on the mould is centered the location, has improved product quality and production yield.
Description
The technical field is as follows:
the utility model relates to a production mould field, especially a curved mould of heat suitable for glass production.
Background art:
along with the development of the automobile industry, the shapes of automobiles are gradually diversified, single plate glass cannot meet the development of the shapes of the automobiles, and hot bent glass which is attractive in style, smooth in lines, practical and flexible is applied to the automobiles more and more. At present, the common process for producing hot-bending glass mainly comprises the steps of placing plate glass on a mold, heating the glass, attaching the glass to the surface of the mold after the glass is heated and softened, and finally annealing, cooling and the like to form the automobile glass with a specific bending shape.
In the current production process, after the plate glass is placed on the mold, the plate glass needs to be centered manually, and the distance from the peripheral edge of the plate glass to the edge of the mold is ensured to be equal. The centering and positioning mode by manually moving the plate glass has poor positioning accuracy and long consumed time, and the defects of poor glass stress, mold falling, edge explosion and the like are easily generated in the production process, so that the product quality and the production yield are influenced.
The utility model has the following contents:
the utility model aims to solve the technical problem that a glass hot bending die with positioner is provided, its positioner can make glass fix a position between two parties on the mould more accurate, and required positioning time between two parties is shorter moreover, improves glass's product quality and production efficiency.
In order to solve the technical problem, the glass hot bending mold of the present invention comprises a forming ring for bearing glass and a plurality of positioning devices arranged at the periphery of the forming ring, the glass hot bending mold further comprises a driving mechanism and a plurality of crank and rocker devices, both ends of the crank and rocker devices are hinged with a frame of the glass hot bending mold, so as to form a plurality of hinge points on the frame; a plurality of positioning devices, the positioning devices comprising: the positioning pieces and the rotating shaft are arranged at least two positioning pieces correspondingly outside two adjacent edges of the forming ring; one end of each of the rotating shafts is connected with the corresponding positioning piece, and the other end of each of the rotating shafts is connected with the corresponding hinge point on the rack; the driving device is connected with the rockers of the crank rocker devices to drive the rotating shafts of the positioning devices to rotate through the crank rocker devices, so that the positioning pieces are switched between a low position lower than the forming ring and a high position higher than the forming ring.
Furthermore, a nut is arranged on a frame of the glass hot bending die, at least one end of the rotating shaft comprises a thread-shaped structure, and the thread-shaped structure is rotatably connected with the nut; the pivot can install in the frame fast.
Furthermore, the positioning piece of the glass hot bending mould comprises a positioning rod and a positioning part.
Furthermore, a plurality of limiting blocks are arranged on a frame of the glass hot bending die and used for limiting the motion range of the crank and rocker device, and the limiting blocks are used for limiting the motion range of the crank and rocker device and reducing the required centering positioning time.
Furthermore, a driving mechanism is arranged at least one hinged point of a crank rocker device of the glass hot bending die and the frame, and the driving mechanism is used for driving the plurality of positioning devices to move simultaneously.
Furthermore, the tail end of the rotating shaft of the glass hot bending die is obliquely provided with a supporting rod, the supporting rod is obliquely contacted with the positioning piece, and the supporting rod is used for reducing deformation of the positioning piece due to heating.
Furthermore, the inclination angle between the support rod of the rotating shaft of the glass hot bending die and the rotating shaft is 10-60 degrees.
Furthermore, a protective cover is arranged on a positioning part of a positioning piece of the glass hot bending die, and the edge of the protective cover used for protecting the glass does not directly collide with the positioning part.
Furthermore, the glass hot bending die is made of stainless steel.
Furthermore, a protective cover of a positioning part of the glass hot bending mould is made of metal fiber cloth.
Glass hot bending die put glass hot bending die go up the back, can confirm the distance of glass limit portion to mould limit portion fast accurately, reduced the time of glass location placed in the middle, realized glass's quick accurate location placed in the middle, reduced the dead weight forming process in appear glass stress bad, fall the mould, the possibility that defects such as edge explosion appear, improved product quality and production yield.
Description of the drawings:
fig. 1 is a schematic structural view of a glass hot bending mold according to the present invention;
fig. 2 is a schematic structural view of the glass hot bending mold according to another view angle of the present invention.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-2, the glass hot bending mold comprises a forming ring 1 for bearing glass, a plurality of positioning devices 2 arranged on the periphery of the forming ring, a plurality of crank rocker devices 3 and a driving mechanism 4, wherein both ends of the crank rocker devices 3 are hinged with a frame 13 of the glass hot bending mold, so as to form a plurality of hinge points on the surface of the frame 13, the positioning device 2 comprises a positioning piece 21 and a rotating shaft 22, at least two positioning devices 2 are correspondingly arranged at the outer sides of two adjacent edges of the forming ring 1, the driving device 4 is connected with a plurality of rockers 31 of the crank rocker device 3, so as to drive the rotating shafts 22 of the positioning devices 2 to rotate by driving the crank rocker device 3, so that the positioning pieces 21 are switched between a low position lower than the forming ring 1 and a high position higher than the forming ring 1.
In order to realize accurate positioning of the automobile glass, in a preferred embodiment provided by the present application, the glass hot bending mold of the present invention includes three positioning devices 2, each of the positioning devices includes a positioning element 21 and a rotating shaft 22, wherein two of the positioning elements 21 are disposed outside the opposite side 11 of the forming ring 1, one of the positioning elements 21 is disposed outside the side 12 of the forming ring, and one end of each of the three rotating shafts 22 is connected to three of the positioning elements 21;
it is worth mentioning that the number of the positioning devices is not limited to three, and the positioning of the glass plate can be completed by the positioning devices with at least two numbers, and the number of the positioning devices is larger than two, which should not exceed the protection scope of the present application.
A plurality of through holes 131 are formed in the frame 13, the rotating shaft 22 is arranged on the through holes 131, and the extending direction of the rotating shaft 22 is parallel to the adjacent side edges of the frame 13; the cross sections of the rotating shaft 22 and the through hole 131 are both circular structures, the diameter of the through hole 131 is 2-6 mm larger than the diameter of the cross section of the rotating shaft 22, preferably, the diameter of the through hole 131 is 3-5 mm larger than the diameter of the cross section of the rotating shaft 22, specifically, for example, 4 mm; in order to facilitate the installation of the rotating shaft 22, preferably, a nut is disposed on the frame 13, and at least one end of the rotating shaft 22 includes a thread-like structure, and the thread-like structure and the nut are rotatably connected.
The crank rocker device comprises a rocker 31, a crank 32 and a connecting rod 33; in fig. 1, two crank and rocker devices 3 are arranged on the outer side of the frame 13, two connecting rods 33 between the two crank and rocker devices 3 are connected with each other, and the two crank and rocker mechanisms 3 can move synchronously; the rockers 31 and the cranks 32 of the two crank rocker devices 3 are connected with the rotating shafts 22, three hinge points are formed on the rack 13, and the other ends of the three rotating shafts 22 are connected with the three hinge points; the crank rocker device 3 can drive the rotating shaft 22 to synchronously rotate for 0-360 degrees in the through hole 131 of the frame 13; specifically, the rocker 31, the crank 32 and the connecting rod 33 of the crank-rocker device 3 are all connected through bolts and nuts, and the crank 32 comprises a first crank 321 and a second crank 322;
in fig. 2, the positioning element 21 includes a positioning rod 211 and a positioning component 212, the installation direction of the positioning rod 211 is perpendicular to the rotating shaft 22, the positioning component 212 is fixed at the top end of the positioning rod 211, the extending direction of the positioning component 212 is perpendicular to the positioning rod 211, specifically, the installation direction of two positioning components 212 arranged outside the opposite side 11 is parallel to the rotating shaft 22 connected thereto, and the installation direction of the positioning component 212 arranged outside the side 12 is perpendicular to the rotating shaft 22 fixed thereto; in order to adapt to the positioning of different sizes of glass on the mold and meet the requirements of process production, preferably, the positioning component 212 comprises a bolt and a nut, and the distance from the positioning component 212 to the forming ring 1 is changed by adjusting the relative positions of the bolt and the nut of the positioning component 212; preferably, a protective cover is arranged on the bolt of the positioning component 212, and the edge of the protective cover used for protecting the glass does not directly collide with the positioning component 212, so that the risk of edge explosion in the process of glass centering positioning is reduced; preferably, the protective cover is a metal fiber cloth.
In order to facilitate the operation of the glass hot bending mold and improve the production efficiency, specifically, a driving mechanism 4 is disposed at least one hinge point between a rocker 31 of the crank-rocker device 3 and the frame 13, the driving mechanism 4 can drive the rocker 31 to rotate with the hinge point as a rotation center, so as to drive the rotating shaft 22 to rotate, and under the action of the connecting rod 33 and the crank 32, the positioning member 21 is rotated from a lower position lower than the forming ring 1 to a higher position higher than the forming ring 1, specifically, the rotation angle of the rocker 31 ranges from 0 ° to 150 °.
In order to prevent the positioning element 21 from being deformed due to excessive heating in the production process, specifically, a support rod 5 is obliquely arranged at the end of the rotating shaft 22, the support rod 5 is in oblique contact with the positioning rod 211, the support rod 5 is obliquely installed with the rotating shaft 22, the inclination angle between the support rod 5 and the rotating shaft is 10 to 60 °, more specifically, the installation angle range of the support rod 5 is 20 to 40 °, for example, 25 to 35 °, and preferably 30 °.
In fig. 1, in order to accurately center the glass on the surface of the glass hot bending mold, preferably, a plurality of limit blocks 6 are arranged on the frame 13, the plurality of limit blocks 6 are used for limiting the movement range of the crank 32 of the crank rocker device 3, so that when the crank 32 rotates to a position contacting with the limit blocks 6, the crank 32 stops rotating, and the three positioning members 21 rotate from a low position lower than the forming ring 1 to a high position higher than the forming ring 1 for positioning the glass; specifically, the limit block 6 is disposed at a side of the first crank 321, a distance range from the limit block 6 to the first crank 321 is 10 cm to 15 cm, and a rotation angle range of the crank 32 is 20 ° to 135 °.
The glass hot bending die has the following specific action process:
before production, the position of the positioning element 21 on the rotating shaft 22 and the relative positions of the nut and the bolt of the positioning element 212 of the positioning element 21 are set according to the requirements of process products, so that the distances from the positioning element 212 to the forming ring 1 are equal; pulling the driving mechanism 4, rotating the driving mechanism 4 from an initial position, driving the rocker 31 of the crank-rocker device 3 to move, and under the action of the connecting rod 33 and the crank 32, the three rotating shafts 22 make synchronous rotating motion, so that the positioning piece 21 is rotated from a low position lower than the forming ring 1 to a high position higher than the forming ring 1; then, placing the glass on the surface of the glass self-weight forming die, and adjusting the position of the glass to ensure that the edges of the glass are all contacted with the corresponding positioning pieces 21; at the moment, the distance from the edge of the glass to the edge of the automobile glass dead weight forming die is equal, and the glass can be centered on the die.
The glass hot bending mould of the utility model comprises a forming ring 1, a plurality of positioning devices 2, a plurality of crank rocker devices 3, a driving mechanism 4, a support rod 5 and a limiting block 6, wherein the manufacturing material is stainless steel; the positioning device 2 comprises a bolt and a nut, and other applicable components such as a positioning roller, a positioning block and the like can also be adopted; the rocker 31, the crank 32 and the connecting rod 33 of the crank rocker device 3 are connected by bolts and nuts, and can also be connected by other suitable methods such as clamping, elastic protrusion or concave protrusion; the glass hot bending die is suitable for producing laminated glass of automobiles, such as a front windshield and a skylight.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A glass hot bending die comprises a forming ring for bearing glass and a plurality of positioning devices arranged on the periphery of the forming ring, and is characterized by further comprising:
a drive mechanism;
the two ends of the crank rocker devices are hinged with the frame of the glass hot bending die, so that a plurality of hinged points are formed on the frame;
a plurality of positioning devices, the positioning devices comprising: the positioning pieces and the rotating shaft are arranged at least two of the positioning pieces correspondingly outside two adjacent edges of the forming ring;
one end of each of the rotating shafts is connected with the corresponding positioning piece, and the other end of each of the rotating shafts is connected with the corresponding hinge point on the rack;
the driving mechanism is connected with the rocking bars of the crank rocker devices, so that the crank rocker devices drive the rotating shafts of the positioning devices to rotate, and the positioning pieces are switched between a low position lower than the forming ring and a high position higher than the forming ring.
2. The glass hot-bending mold according to claim 1, wherein: the rack is provided with a nut, at least one end of the rotating shaft comprises a thread-shaped structure, and the thread-shaped structure is rotatably connected with the nut.
3. The glass hot-bending mold according to claim 1, wherein: the positioning piece comprises a positioning rod and a positioning component.
4. The glass hot-bending mold according to claim 1, wherein: the rack is provided with a plurality of limiting blocks, and the limiting blocks are used for limiting the motion range of the crank rocker device.
5. The glass hot-bending mold according to claim 1, wherein: the driving mechanism is arranged on at least one hinged point of the crank rocker device and the rack.
6. The glass hot-bending mold according to claim 1, wherein: the tail end of the rotating shaft is obliquely provided with a supporting rod, and the supporting rod is obliquely contacted with the positioning piece.
7. The glass hot-bending mold according to claim 6, wherein: the inclination angle between the support rod and the rotating shaft is 10-60 degrees.
8. A glass hot-bending mould according to claim 3, wherein: the positioning component is provided with a protective cover, and the edge of the protective cover used for protecting the glass does not directly collide with the positioning component.
9. The glass hot-bending mold according to claim 8, wherein: the protective cover is made of metal fiber cloth.
10. The glass hot-bending mold according to any one of claims 1 to 9, wherein: the glass hot bending die is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020221825.7U CN212051119U (en) | 2020-02-27 | 2020-02-27 | Glass hot bending die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020221825.7U CN212051119U (en) | 2020-02-27 | 2020-02-27 | Glass hot bending die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212051119U true CN212051119U (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020221825.7U Active CN212051119U (en) | 2020-02-27 | 2020-02-27 | Glass hot bending die |
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| Country | Link |
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| CN (1) | CN212051119U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117185633A (en) * | 2023-09-13 | 2023-12-08 | 上海皓硕玻璃制品有限公司 | Hot bending device for building glass |
-
2020
- 2020-02-27 CN CN202020221825.7U patent/CN212051119U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117185633A (en) * | 2023-09-13 | 2023-12-08 | 上海皓硕玻璃制品有限公司 | Hot bending device for building glass |
| CN117185633B (en) * | 2023-09-13 | 2024-03-19 | 上海皓硕玻璃制品有限公司 | Hot bending device for building glass |
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