CN117658427A - 3D curved surface glass bending device - Google Patents
3D curved surface glass bending device Download PDFInfo
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- CN117658427A CN117658427A CN202311649858.6A CN202311649858A CN117658427A CN 117658427 A CN117658427 A CN 117658427A CN 202311649858 A CN202311649858 A CN 202311649858A CN 117658427 A CN117658427 A CN 117658427A
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- 239000011521 glass Substances 0.000 title claims abstract description 110
- 238000005452 bending Methods 0.000 title claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000003825 pressing Methods 0.000 claims description 27
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 230000006978 adaptation Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 8
- 238000007906 compression Methods 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/03—Re-forming glass sheets by bending by press-bending between shaping moulds
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention belongs to the technical field of curved glass, in particular to a 3D curved glass bending forming device, which comprises a fixed frame, wherein an oil cylinder is fixedly connected above the fixed frame, a compression rod is fixedly connected with a telescopic part of the oil cylinder, an upper forming die is fixedly connected with the bottom of the compression rod, the upper forming die is arc-shaped, a lower forming die is slidably connected in the fixed frame, the lower forming die is arc-shaped, the shapes of the lower forming die and the upper forming die are matched, a glass flat plate in a viscoplastic state is placed above the lower forming die, and an adjusting mechanism is arranged in the fixed frame; the formed 3D curved glass can be obtained through natural cooling, the follow-up use of the formed curved glass is facilitated, the formed curved glass can be rapidly pushed out through the ejection mechanism, and the problem that the formed curved glass is attached to the lower die and is troublesome when taken out in the prior art is solved.
Description
Technical Field
The invention belongs to the technical field of curved glass, and particularly relates to a 3D curved glass bending forming device.
Background
The 3D glass has strong stereoscopic impression and straight holding feel. Because both sides are cambered surfaces, a plurality of functions can be added, and the novel mobile phone is light, thin, concise, transparent and surface fingerprint-resistant, and has an increasing demand in the mobile phone market and other markets.
At present, curved glass is formed by placing processed glass on a mould, wherein the processed glass is planar, then heating the mould and the processed glass to soften the processed glass to form a plastic shape, placing the plastic shape on the mould with a specific bending form, and naturally cooling after gravity deformation.
In the process of forming softened glass, the upper die and the lower die are required to be combined and extruded, so that the required curved glass can be formed, and in the process of combining the upper die and the lower die, after the curved glass is formed, the formed curved glass is attached to the lower die, so that the curved glass is troublesome to take out and is unfavorable for subsequent operation.
Therefore, the invention provides a 3D curved glass bending and forming device.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention discloses a 3D curved glass bending forming device, which comprises a fixing frame, wherein an oil cylinder is fixedly connected above the fixing frame, a compression rod is fixedly connected to a telescopic part of the oil cylinder, an upper forming die is fixedly connected to the bottom of the compression rod, the upper forming die is arc-shaped, a lower forming die is connected in a sliding manner in the fixing frame, the lower forming die is arc-shaped, the shapes of the lower forming die and the upper forming die are matched, the upper part of the lower forming die is used for placing a glass flat plate in a viscoplastic state, an adjusting mechanism is arranged in the fixing frame and used for adjusting the distance between the lower forming die and the upper forming die, and an ejection mechanism is arranged below the lower forming die and used for ejecting formed curved glass.
Preferably, the adjusting mechanism comprises a pressing frame fixedly connected to the outer walls of two sides of the pressing rod, two mounting frames are fixedly connected in the fixing frame, a central gear is connected in the mounting frames in a rotating mode through a rotating shaft, a first ratchet plate is connected in a sliding mode in the mounting frames, a second ratchet plate is connected in the mounting frames in a sliding mode on one side, far away from the first ratchet plate, of the mounting frames, the top end of the first ratchet plate is connected with the bottom end of the pressing frame, the upper end of the second ratchet plate is fixedly connected with the lower surface of the lower forming die, and the first ratchet plate and the second ratchet plate are respectively connected with the central gear in a meshed mode.
Preferably, two sliding grooves are formed in the inner wall of the mounting frame, the first ratchet plate and the second ratchet plate are respectively connected in the two sliding grooves in a sliding mode through clamping rods, and the shape of the clamping rods is matched with that of the sliding grooves; when the ratchet plate is pressed and moved, the first ratchet plate can drive the clamping rods on the side walls of the ratchet plate to move in the sliding grooves, then the second ratchet plate and the clamping rods on the other side are driven to move in the other sliding grooves under the meshing of the central gears, and under the limit of the two clamping rods and the sliding grooves, the two second ratchet plates can conveniently drive the lower forming die to move upwards at the same time, so that the upper forming die and the lower forming die are conveniently combined, and glass in a viscoplastic state is bent.
Preferably, four guide rods are fixedly connected in the fixing frame and are respectively arranged at the periphery of the lower forming die, four guide grooves are formed in the periphery of the lower forming die and are respectively connected in the four guide grooves in a sliding mode, when the lower forming die is pushed to move upwards by two second ratchet plates in operation, the lower forming die can move upwards along the guide rods, under the limit of the guide rods and the guide grooves, the accuracy of the upper forming die and the lower forming die in combination is ensured, the upper forming die and the lower forming die are not deflected, the bending forming of glass is ensured, and the production of defective products is reduced.
Preferably, the ejection mechanism comprises an embedded groove formed in two sides of the lower forming die, a top plate is slidably connected in the embedded groove, the width of the top plate is larger than the length of curved surface glass after curved surface forming, an elastic telescopic rod is arranged on the lower end face of the top plate, a limit rod is fixedly connected in the fixing frame at a position corresponding to the elastic telescopic rod, the elastic telescopic rod and the limit rod are arranged on the same vertical surface, and the upper end of the top plate is in contact with the bottom surfaces of two sides of the curved glass.
Preferably, the outer walls of two sides of the lower forming die are fixedly connected with L-shaped supporting plates, the outer walls of the elastic telescopic rods are fixedly connected with elastic limiting telescopic columns, limiting grooves are formed in the side walls of the L-shaped supporting plates, and rubber ball blocks are fixedly connected to the end parts, close to the limiting grooves, of the elastic limiting telescopic columns.
Preferably, the shape of the rubber ball block is matched with that of the limiting groove, the outer wall of the limiting groove is provided with a round angle, and the rubber ball block is made of elastic rubber balls; during operation, the elastic rubber ball block can conveniently be clamped into the limiting groove, the round angle is formed in the outer wall of the limiting groove, the rubber ball block can conveniently be separated from the limiting groove, and when the rubber ball block is clamped into the limiting groove, the stability of the elastic limiting telescopic column, the elastic telescopic rod and the top plate is ensured, so that the glass is bent under the viscoplastic state.
Preferably, the top end of the elastic telescopic rod is fixedly connected with a limit spring, and the top end of the limit spring is fixedly connected with the lower surface of the lower forming die; when the top end of the limiting rod presses the bottom end of the elastic telescopic rod, the elastic telescopic rod can extrude the limiting spring on the other side; when the formed curved glass is taken out, the first ratchet plate is driven to move downwards by the control pressing frame, the second ratchet plate and the lower forming die move upwards, namely, when the upper end of the limiting rod is not contacted with the lower end of the elastic telescopic rod any more, namely, the limiting spring is not pressed any more, the limiting spring can drive the elastic telescopic rod to restore to the initial position, namely, the elastic limiting telescopic column and the rubber ball block at the end part of the elastic limiting telescopic column can be clamped into the limiting groove again, and then the subsequent bending forming of the curved glass is facilitated.
Preferably, the lower end surface of the lower forming die is fixedly connected with a supporting frame, the side end surface of the supporting frame is provided with a groove, the outer wall of the elastic telescopic rod is fixedly connected with a sliding rod, and the sliding rod is slidably connected in the groove; during operation, the outer wall at the elastic telescopic rod has set up the slide bar, and when the elastic telescopic rod pressurized moved, the elastic telescopic rod can drive the slide bar simultaneously and remove in the recess, under the mutual spacing of slide bar and recess, can ensure that follow-up roof is to the release of shaping curved surface glass.
Preferably, a vertical frame is fixedly connected in the fixing frame, the side wall of the lower forming die is slidably connected in the vertical frame through a cross rod, and a groove matched with the cross rod is formed in the vertical frame.
The beneficial effects of the invention are as follows:
1. according to the 3D curved glass bending forming device, the lower forming die can move upwards under the action of the adjusting mechanism, namely the upper forming die and the lower forming die are close to each other, the glass flat plate which is subjected to softening and losing brittleness and rigidity is gradually bent by the upper forming die and the lower forming die, the required bending shape is obtained, and then the formed 3D curved glass can be obtained through natural cooling, so that the device is beneficial to the subsequent use, and the formed curved glass can be pushed out quickly through the ejection mechanism, so that the problem that the formed curved glass is troublesome in the taking out process due to the fact that the formed curved glass is attached to the lower die in the prior art is solved.
2. According to the 3D curved glass bending forming device, the second ratchet plates move upwards under the meshing of the central gears, namely, the second ratchet plates at two sides move upwards simultaneously and drive the lower forming die connected with the second ratchet plates to move upwards, and the moving path of the upper forming die is shortened under the condition that the upper forming die and the lower forming die move mutually, so that the curved glass is bent and formed faster, and the forming quality of the glass is ensured.
3. According to the 3D curved surface glass bending forming device, the elastic telescopic rod at the lower side of the lower forming die is contacted with the limiting rod in the fixing frame, the top plates of the elastic telescopic rod are moved upwards under the extrusion of the limiting rod to the elastic telescopic rod, so that the top plates at the two sides can push the glass at the upper side of the elastic telescopic rod to be bent, the formed glass is separated from the lower forming die, the glass can be conveniently taken out, and the problem that the glass formed by bending is attached to the lower forming die and is difficult to take out in the prior art is solved.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;
FIG. 3 is a schematic view of a mounting frame portion of the present invention;
FIG. 4 is a schematic view of a chute portion according to the present invention;
FIG. 5 is a schematic view of a stop lever structure according to the present invention;
FIG. 6 is an enlarged view of the structure at B of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic view of the structure of the L-shaped stay plate of the present invention;
fig. 8 is a schematic diagram of a groove structure in the present invention.
In the figure: 1. a fixing frame; 2. an oil cylinder; 3. a compression bar; 301. an upper forming die; 4. a lower forming die; 5. a pressing frame; 6. a mounting frame; 602. a first ratchet plate; 603. a second ratchet plate; 7. a sun gear; 8. a chute; 9. a clamping rod; 10. a guide rod; 11. a guide groove; 12. an embedding groove; 13. a top plate; 131. an elastic telescopic rod; 14. a limit rod; 15. an L-shaped supporting plate; 16. an elastic limit telescopic column; 17. a limit groove; 18. rubber ball blocks; 19. a limit spring; 20. a support frame; 21. a groove; 22. a slide bar; 23. and (5) a vertical frame.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 8, the 3D curved glass bending forming device according to the embodiment of the present invention includes a fixing frame 1, an oil cylinder 2 is fixedly connected above the fixing frame 1, a telescopic part of the oil cylinder 2 is fixedly connected with a compression rod 3, an upper forming die 301 is fixedly connected with the bottom of the compression rod 3, the upper forming die 301 is in a circular arc shape, a lower forming die 4 is slidably connected in the fixing frame 1, the shape of the lower forming die 4 is in a circular arc shape, the shapes of the lower forming die 4 and the upper forming die 301 are adapted, a glass flat plate in a viscoplastic state is placed above the lower forming die 4, an adjusting mechanism is arranged in the fixing frame 1, the adjusting mechanism is used for adjusting a distance between the lower forming die 4 and the upper forming die 301, an ejection mechanism is arranged below the lower forming die 4, and the ejection mechanism is used for ejecting formed curved glass;
in the initial state, the upper mold 301 and the lower mold 4 are in a state of being away from each other; before bending and forming the 3D curved glass, firstly uniformly heating the cut flat glass above the lower forming die 4 to a temperature of about 550-650 ℃, wherein the heating mode is the prior art, redundant description is not made in the embodiment of the invention, then the glass can be changed into a viscoplastic state at the temperature, the telescopic end of the oil cylinder 2 is controlled to move, so that the telescopic end drives the compression rod 3 and the upper forming die 301 to move downwards, the lower forming die 4 can move upwards under the action of the adjusting mechanism, namely the upper forming die 301 and the lower forming die 4 are close to each other, the upper forming die 301 and the lower forming die 4 gradually press-bend the glass flat plate which is softened and loses brittleness and rigidity, and obtain the required bending shape, and then the formed 3D curved glass can be obtained through natural cooling, so that the use of the formed curved glass is facilitated, the formed curved glass can be pushed out faster through the ejection mechanism, and the problem that the formed curved glass is relatively troublesome when being taken out due to the fact that the formed curved glass is attached to the lower forming die in the prior art is solved.
The adjusting mechanism comprises a pressing frame 5 fixedly connected to the outer walls of two sides of the pressing rod 3, two mounting frames 6 are fixedly connected in the fixing frame 1, a central gear 7 is rotatably connected in the mounting frames 6 through a rotating shaft, a first ratchet plate 602 is slidably connected in the mounting frames 6, a second ratchet plate 603 is slidably connected to one side, far away from the first ratchet plate 602, of the mounting frames 6, the top end of the first ratchet plate 602 is connected with the bottom end of the pressing frame 5, the upper end of the second ratchet plate 603 is fixedly connected with the lower surface of the lower forming die 4, and the first ratchet plate 602 and the second ratchet plate 603 are respectively meshed with the central gear 7;
when the press rod 3 drives the upper forming die 301 to move towards the lower forming die 4, the press rod 3 simultaneously drives the press frames 5 on the outer walls of the two sides of the press rod to move, the press frames 5 downwards press the first ratchet plates 602, then under the meshing of the central gear 7, the second ratchet plates 603 move upwards, namely, the second ratchet plates 603 on the two sides move upwards simultaneously, and the lower forming die 4 connected with the press plates can be driven to move upwards, so that the moving path of the upper forming die 301 is shortened under the mutual movement of the upper forming die 301 and the lower forming die 4, the curved glass is bent and formed faster, and the forming quality of the glass is ensured.
The inner wall of the mounting frame 6 is provided with two sliding grooves 8, the first ratchet plate 602 and the second ratchet plate 603 are respectively connected in the two sliding grooves 8 in a sliding way through clamping rods 9, and the shape of the clamping rods 9 is matched with the shape of the sliding grooves 8; when the first ratchet plate 602 is pressed and moved, the first ratchet plate 602 drives the clamping rods 9 on the side walls of the first ratchet plate 602 to move in the sliding grooves 8, then drives the second ratchet plate 603 and the clamping rods 9 on the other side to move in the other sliding grooves 8 under the meshing of the central gear 7, and can facilitate the two second ratchet plates 603 to drive the lower forming die 4 to move upwards under the limit of the two clamping rods 9 and the sliding grooves 8, so that the upper forming die 301 and the lower forming die 4 are combined conveniently, and glass in a viscoplastic state is bent.
Four guide rods 10 are fixedly connected in the fixing frame 1, the four guide rods 10 are respectively arranged at the periphery of the lower forming die 4, four guide grooves 11 are formed at the periphery of the lower forming die 4, the four guide rods 10 are respectively connected in the four guide grooves 11 in a sliding mode, when the lower forming die 4 is pushed to move upwards by the two second ratchet plates 603 during operation, the lower forming die 4 can move upwards along the guide rods 10, under the limit of the guide rods 10 and the guide grooves 11, the accuracy of the upper forming die 301 and the lower forming die 4 in combination is ensured, the deflection of the upper forming die 301 and the lower forming die 4 is not caused, the bending forming of glass is ensured, and the production of defective products is reduced.
The ejection mechanism comprises embedded grooves 12 formed in two sides of the lower forming die 4, a top plate 13 is connected in the embedded grooves 12 in a sliding manner, the width of the top plate 13 is larger than the length of curved glass after curved surface forming, an elastic telescopic rod 131 is arranged on the lower end face of the top plate 13, a limit rod 14 is fixedly connected to the position, corresponding to the elastic telescopic rod 131, in the fixing frame 1, the elastic telescopic rod 131 and the limit rod 14 are arranged on the same vertical surface, and the upper end of the top plate 13 is in contact with the bottom surfaces of two sides of the curved glass; when the glass bending device is in operation, after the bent glass between the upper forming die 301 and the lower forming die 4 is bent and naturally cooled and formed, the telescopic end of the control oil cylinder 2 drives the pressing rod 3 to move upwards, the pressing rod 3 drives the upper forming die 301 to be far away from the lower forming die 4, the pressing rod 3 drives the pressing frame 5 and the first ratchet plate 602 to move upwards, the first ratchet plate 602 drives the second ratchet plate 603 to move downwards through the central gear 7, the second ratchet plate 603 drives the lower forming die 4 to move downwards, then the elastic telescopic rod 131 at the lower side of the lower forming die 4 is contacted with the limiting rod 14 in the fixing frame 1, the elastic telescopic rod 131 can move upwards under the extrusion of the limiting rod 14 to the elastic telescopic rod 131, so that the bent glass at the upper sides of the elastic telescopic rod 13 can be pushed, the formed glass is separated from the lower forming die 4, and the formed glass can be conveniently taken out of the lower forming die 4.
The outer walls of two sides of the lower forming die 4 are fixedly connected with L-shaped supporting plates 15, the outer walls of the elastic telescopic rods 131 are fixedly connected with elastic limiting telescopic columns 16, limiting grooves 17 are formed in the side walls of the L-shaped supporting plates 15, and rubber ball blocks 18 are fixedly connected to the ends, close to the limiting grooves 17, of the elastic limiting telescopic columns 16; when the elastic telescopic rod is in operation, when the bottom end of the elastic telescopic rod 131 is not in contact with the upper end of the limiting rod 14, the rubber ball block 18 is positioned in the limiting groove 17, and the limiting groove 17 can be used for stably clamping the rubber ball block 18, so that the stability of the elastic limiting telescopic column 16, the elastic telescopic rod 131 and the top plate 13 is ensured, and the bending forming of glass above the top plate 13 is facilitated; when the upper end of the limiting rod 14 contacts with the bottom end of the elastic telescopic rod 131, namely, when the limiting rod 14 extrudes the elastic telescopic rod 131, the elastic telescopic rod 131 drives the elastic limiting telescopic column 16 and the rubber ball block 18 to separate from the limiting groove 17, so that the follow-up top plate 13 is conveniently pushed out of the bent glass.
The shapes of the rubber ball blocks 18 and the limiting grooves 17 are matched, round corners are formed in the outer walls of the limiting grooves 17, and the rubber ball blocks 18 are made of elastic rubber balls; during operation, the elastic rubber ball block 18 can be conveniently clamped into the limit groove 17, the round angle is formed in the outer wall of the limit groove 17, the rubber ball block 18 can be conveniently separated from the limit groove 17, and when the rubber ball block 18 is clamped into the limit groove 17, the stability of the elastic limit telescopic column 16, the elastic telescopic rod 131 and the top plate 13 is ensured, so that bending of glass in a viscoplastic state is facilitated.
A limit spring 19 is fixedly connected to the top end of the elastic telescopic rod 131, and the top end of the limit spring 19 is fixedly connected to the lower surface of the lower forming die 4; when the top end of the limiting rod 14 presses the bottom end of the elastic telescopic rod 131, the elastic telescopic rod 131 can press the limiting spring 19 on the other side; when the formed curved glass is taken out, the control pressing frame 5 drives the first ratchet plate 602 to move downwards, the second ratchet plate 603 and the lower forming die 4 move upwards, namely, when the upper end of the limiting rod 14 is not contacted with the lower end of the elastic telescopic rod 131 any more, namely, the limiting spring 19 is not pressed any more, the limiting spring 19 can drive the elastic telescopic rod 131 to restore to the initial position, namely, the elastic limiting telescopic column 16 and the rubber ball 18 at the end part of the elastic limiting telescopic column can be clamped into the limiting groove 17 again, and then the subsequent bending forming of the curved glass is facilitated.
The lower end face of the lower forming die 4 is fixedly connected with a supporting frame 20, a groove 21 is formed in the side end face of the supporting frame 20, a sliding rod 22 is fixedly connected to the outer wall of the elastic telescopic rod 131, and the sliding rod 22 is slidably connected in the groove 21; during operation, the outer wall of the elastic telescopic rod 131 is provided with the slide rod 22, when the elastic telescopic rod 131 is pressed and moved, the elastic telescopic rod 131 can simultaneously drive the slide rod 22 to move in the groove 21, and the follow-up top plate 13 can be pushed out of the formed curved glass under the mutual limit of the slide rod 22 and the groove 21.
The fixing frame 1 is internally fixedly connected with a vertical frame 23, the side wall of the lower forming die 4 is slidably connected in the vertical frame 23 through a cross rod, a groove matched with the cross rod is formed in the vertical frame 23, the vertical frame 23 is arranged, and the lower forming die 4 is slidably connected on the side wall of the vertical frame 23 through the cross rod, so that the lower forming die 4 can conveniently move up and down.
During working, before bending and forming the 3D curved glass, firstly uniformly heating the cut flat glass above the lower forming die 4 to a temperature of about 550-650 ℃, wherein the heating mode is the prior art, redundant description is not made in the embodiment of the invention, the glass can be changed into a viscoplastic state at the temperature later, the telescopic end of the oil cylinder 2 is controlled to move, so that the telescopic end drives the pressing rod 3 and the upper forming die 301 to move downwards, the lower forming die 4 can move upwards under the action of the regulating mechanism, namely the upper forming die 301 and the lower forming die 4 are close to each other, the upper forming die 301 and the lower forming die 4 gradually press and bend the glass flat after losing brittleness and rigidity softening, and the required bending shape is obtained, and then the formed 3D curved glass can be obtained through natural cooling, so that the subsequent use of the glass is facilitated; when the pressing rod 3 drives the upper forming die 301 to move towards the lower forming die 4, the pressing rod 3 simultaneously drives the pressing frames 5 on the outer walls of the two sides of the upper forming die 301 to move, the pressing frames 5 downwards press the first ratchet plates 602, and then the second ratchet plates 603 move upwards under the meshing of the central gear 7, namely the second ratchet plates 603 on the two sides move upwards simultaneously, and the lower forming die 4 connected with the pressing rods can be driven to move upwards, so that the moving path of the upper forming die 301 is shortened under the mutual movement of the upper forming die 301 and the lower forming die 4, the bending forming of curved glass is accelerated, and the forming quality of the glass is ensured;
when the first ratchet plate 602 moves under pressure, the first ratchet plate 602 drives the clamping rods 9 on the side wall of the first ratchet plate 602 to move in the sliding groove 8 at the same time, and then drives the second ratchet plate 603 and the clamping rods 9 on the other side to move in the other sliding groove 8 under the meshing of the central gear 7, and under the limit of the two clamping rods 9 and the sliding groove 8, the two second ratchet plates 603 can conveniently drive the lower forming die 4 to move upwards at the same time, so that the upper forming die 301 and the lower forming die 4 are conveniently combined, and glass in a viscoplastic state is bent; when the lower forming die 4 is pushed to move upwards by the two second ratchet plates 603, the lower forming die 4 moves upwards along the guide rod 10, the accuracy of the upper forming die 301 and the lower forming die 4 in combination is ensured under the limit of the guide rod 10 and the guide groove 11, the upper forming die 301 and the lower forming die 4 cannot deviate, the bending forming of glass is ensured, and the generation of defective products is reduced;
after the bent glass between the upper forming die 301 and the lower forming die 4 is bent and naturally cooled and formed, the telescopic end of the control oil cylinder 2 drives the pressing rod 3 to move upwards, the pressing rod 3 drives the upper forming die 301 to be far away from the lower forming die 4, the pressing rod 3 drives the pressing frame 5 and the first ratchet plate 602 to move upwards, the first ratchet plate 602 drives the second ratchet plate 603 to move downwards through the central gear 7, the second ratchet plate 603 drives the lower forming die 4 to move downwards, then the elastic telescopic rod 131 at the lower side of the lower forming die 4 is contacted with the limiting rod 14 in the fixing frame 1, under the extrusion of the limiting rod 14 to the elastic telescopic rod 131, the elastic telescopic rod 131 is moved upwards, so that the top plates 13 at two sides can push the bent glass at the upper side of the elastic telescopic rod, and the formed glass is separated from the lower forming die 4, and the formed glass can be conveniently taken out of the lower forming die 4, and the problem that the bent glass and the lower forming die 4 are adhered together in the prior art and are difficult to take out is solved;
when the bottom end of the elastic telescopic rod 131 is not contacted with the upper end of the limiting rod 14, the rubber ball block 18 is positioned in the limiting groove 17, and the limiting groove 17 can be used for stably clamping the rubber ball block 18, so that the stability of the elastic limiting telescopic column 16, the elastic telescopic rod 131 and the top plate 13 is ensured, and the bending forming of glass above the top plate 13 is facilitated; when the upper end of the limiting rod 14 is contacted with the bottom end of the elastic telescopic rod 131, namely, the limiting rod 14 extrudes the elastic telescopic rod 131, the elastic telescopic rod 131 drives the elastic limiting telescopic column 16 and the rubber ball block 18 to be separated from the limiting groove 17, so that the follow-up top plate 13 is conveniently pushed out of the bent glass;
the elastic rubber ball block 18 can be conveniently clamped into the limit groove 17, the round angle is formed in the outer wall of the limit groove 17, the rubber ball block 18 can be conveniently separated from the limit groove 17, and when the rubber ball block 18 is clamped into the limit groove 17, the stability of the elastic limit telescopic column 16, the elastic telescopic rod 131 and the top plate 13 is ensured, so that the glass in a viscoplastic state can be bent; when the top end of the limiting rod 14 presses the bottom end of the elastic telescopic rod 131, the elastic telescopic rod 131 can press the limiting spring 19 on the other side; when the formed curved glass is taken out, the first ratchet plate 602 is driven to move downwards by the control pressing frame 5, the second ratchet plate 603 and the lower forming die 4 move upwards, namely, when the upper end of the limiting rod 14 is not contacted with the lower end of the elastic telescopic rod 131 any more, namely, the limiting spring 19 is not pressed any more, the limiting spring 19 can drive the elastic telescopic rod 131 to restore to the initial position, namely, the elastic limiting telescopic column 16 and the rubber ball 18 at the end part of the elastic limiting telescopic column can be clamped into the limiting groove 17 again, then the subsequent bending forming of the curved glass is facilitated, the sliding rod 22 is arranged on the outer wall of the elastic telescopic rod 131, when the elastic telescopic rod 131 is pressed and moved, the elastic telescopic rod 131 can simultaneously drive the sliding rod 22 to move in the groove 21, and the pushing out of the formed curved glass by the subsequent top plate 13 can be ensured under the mutual limiting of the sliding rod 22 and the groove 21.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a 3D curved surface glass bending device which characterized in that: including mount (1), the top rigid coupling of mount (1) has hydro-cylinder (2), the telescopic portion rigid coupling of hydro-cylinder (2) has depression bar (3), the bottom rigid coupling of depression bar (3) has last moulded die (301), and the shape of going up moulded die (301) is convex, sliding connection has lower moulded die (4) in mount (1), and the shape of lower moulded die (4) is convex, the shape looks adaptation of lower moulded die (4) and last moulded die (301), the glass flat board of viscoplastic state is placed to lower moulded die (4) top, be provided with adjustment mechanism in mount (1), adjustment mechanism is used for adjusting the distance between lower moulded die (4) and the last moulded die (301), lower moulded die (4) below is provided with ejection mechanism, and ejection mechanism is used for ejecting fashioned curved glass.
2. The 3D curved glass bending device according to claim 1, wherein: the adjusting mechanism comprises a pressing frame (5) fixedly connected to the outer walls of two sides of the pressing rod (3), two mounting frames (6) are fixedly connected in the fixing frame (1), a central gear (7) is rotatably connected in the mounting frames (6), a first ratchet plate (602) is connected in a sliding mode in the mounting frames (6), a second ratchet plate (603) is connected to one side, far away from the first ratchet plate (602), of the mounting frames (6), the top end of the first ratchet plate (602) is connected with the bottom end of the pressing frame (5), the upper end of the second ratchet plate (603) is fixedly connected with the lower surface of the lower forming die (4), and the first ratchet plate (602) and the second ratchet plate (603) are respectively connected with the central gear (7) in a meshed mode.
3. The 3D curved glass bending device according to claim 2, wherein: two sliding grooves (8) are formed in the inner wall of the mounting frame (6), the first ratchet plate (602) and the second ratchet plate (603) are respectively connected in the two sliding grooves (8) through clamping rods (9) in a sliding mode, and the shape of the clamping rods (9) is matched with the shape of the sliding grooves (8).
4. The 3D curved glass bending device according to claim 2, wherein: four guide rods (10) are fixedly connected in the fixing frame (1), the four guide rods (10) are respectively arranged at the periphery of the lower forming die (4), four guide grooves (11) are formed at the periphery of the lower forming die (4), and the four guide rods (10) are respectively and slidably connected in the four guide grooves (11).
5. The 3D curved glass bending device according to claim 4, wherein: the ejector mechanism comprises an embedded groove (12) formed in two sides of the lower forming die (4), a top plate (13) is connected in the embedded groove (12) in a sliding mode, the width of the top plate (13) is larger than the length of curved surface glass after curved surface forming, an elastic telescopic rod (131) is arranged on the lower end face of the top plate (13), a limiting rod (14) is fixedly connected in the fixing frame (1) at a position corresponding to the elastic telescopic rod (131), the elastic telescopic rod (131) and the limiting rod (14) are arranged on the same vertical face, and the upper end of the top plate (13) is in contact with two side bottom faces of the curved glass.
6. The 3D curved glass bending device according to claim 5, wherein: the two side outer walls of the lower forming die (4) are fixedly connected with L-shaped supporting plates (15), the outer walls of the elastic telescopic rods (131) are fixedly connected with elastic limiting telescopic columns (16), limiting grooves (17) are formed in the side walls of the L-shaped supporting plates (15), and rubber ball blocks (18) are fixedly connected to the end portions, close to the limiting grooves (17), of the elastic limiting telescopic columns (16).
7. The 3D curved glass bending device according to claim 6, wherein: the shape of the rubber ball block (18) is matched with that of the limiting groove (17), a round angle is formed in the outer wall of the limiting groove (17), and the rubber ball block (18) is made of elastic rubber balls.
8. The 3D curved glass bending device according to claim 6, wherein: the top end of the elastic telescopic rod (131) is fixedly connected with a limiting spring (19), and the top end of the limiting spring (19) is fixedly connected to the lower surface of the lower forming die (4).
9. The 3D curved glass bending device according to claim 8, wherein: the lower end face of the lower forming die (4) is fixedly connected with a supporting frame (20), a groove (21) is formed in the side end face of the supporting frame (20), a sliding rod (22) is fixedly connected to the outer wall of the elastic telescopic rod (131), and the sliding rod (22) is slidably connected in the groove (21).
10. The 3D curved glass bending device according to claim 9, wherein: the fixing frame (1) is internally and fixedly connected with a vertical frame (23), the side wall of the lower forming die (4) is slidably connected in the vertical frame (23) through a cross rod, and a groove matched with the cross rod is formed in the vertical frame (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311649858.6A CN117658427A (en) | 2023-12-05 | 2023-12-05 | 3D curved surface glass bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311649858.6A CN117658427A (en) | 2023-12-05 | 2023-12-05 | 3D curved surface glass bending device |
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| Publication Number | Publication Date |
|---|---|
| CN117658427A true CN117658427A (en) | 2024-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311649858.6A Pending CN117658427A (en) | 2023-12-05 | 2023-12-05 | 3D curved surface glass bending device |
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| CN (1) | CN117658427A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119840142A (en) * | 2025-03-21 | 2025-04-18 | 辽宁明盛玻璃工业有限公司 | Glass panel bending equipment of washing machine |
-
2023
- 2023-12-05 CN CN202311649858.6A patent/CN117658427A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119840142A (en) * | 2025-03-21 | 2025-04-18 | 辽宁明盛玻璃工业有限公司 | Glass panel bending equipment of washing machine |
| CN119840142B (en) * | 2025-03-21 | 2025-06-17 | 辽宁明盛玻璃工业有限公司 | Glass panel bending equipment of washing machine |
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