CN111302607A - Hot bending forming system and method thereof - Google Patents
Hot bending forming system and method thereof Download PDFInfo
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- CN111302607A CN111302607A CN202010162610.7A CN202010162610A CN111302607A CN 111302607 A CN111302607 A CN 111302607A CN 202010162610 A CN202010162610 A CN 202010162610A CN 111302607 A CN111302607 A CN 111302607A
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- 238000013003 hot bending Methods 0.000 title claims abstract description 104
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 180
- 238000010438 heat treatment Methods 0.000 claims abstract description 75
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000003825 pressing Methods 0.000 claims description 86
- 238000007789 sealing Methods 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 7
- 239000000498 cooling water Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 21
- 238000001125 extrusion Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- C03B23/0302—Re-forming glass sheets by bending by press-bending between shaping moulds between opposing full-face 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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- Organic Chemistry (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention discloses a hot bending forming system and a method thereof, wherein the hot bending forming system comprises an upper die area, a lower die area, an upper die area, a lower die area and a lower die area, wherein the upper die area is provided with an upper die device and a first lower die fixing plate; the hot bending area is provided with hot bending equipment, a second lower die fixing plate and a plurality of heating devices, the hot bending equipment is provided with a second upper die mechanism, the second lower die fixing plate is positioned below the hot bending equipment, and the heating devices are respectively positioned in the second upper die mechanism and the second lower die fixing plate; the transmission mechanism is used for driving the upper die to transfer between the first upper die mechanism and the second upper die mechanism and driving the lower die to transfer between the first lower die fixing plate and the second lower die fixing plate; and the control mechanism is used for driving the first upper die mechanism and/or the second upper die mechanism to move up and down. According to the technical scheme, the extrusion degree between the dies can be accurately controlled, the product is subjected to hot bending production, the occurrence of product breakage is reduced, and the yield is improved.
Description
Technical Field
The invention relates to the technical field of hot bending forming, in particular to a hot bending forming system and a hot bending forming method.
Background
The hot bending refers to a process of heating and pressing a product to be processed into a curved product through hot bending equipment, for example, glass can be deeply processed through a hot bending technology, and the glass can be applied to different fields such as automobiles, furniture and household appliances, buildings and the like after being subjected to hot bending. Curved glass is gradually adopted in a series of curved screens of existing homes, vehicles, flat panels, computers, televisions, touch screens and the like.
In the production process of hot bending and forming a product, for example, hot bending is performed on a curved surface product such as a plastic shell, a curved surface screen and the like, and the product is generally required to be produced and processed by hot bending equipment. The whole hot bending process is that a product to be processed is placed in a mould, then the mould is placed in hot bending equipment, the product is softened through preheating, the product is subjected to hot bending forming under the action of gravity through profiling, the product is cooled to be annealed, so that the product to be processed is formed into a curved surface product in the mould, and finally the product is taken out, thereby completing the hot bending processing production of the product. In the curved processing production of current heat, produce jumbo size product through mould and bed die in setting up, before carrying out the curved production of heat to the product, need put into the bed die with the product, but current equipment often can not better control the extrusion degree between mould and the bed die, make the mould and the product direct contact who does not heat the softening, because it is heavier to go up the mould, will lead to the mould direct crushing product, make the product can't carry out the curved processing of next step after breaking, influence the yield.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a hot bending forming system and a method thereof, which can accurately control the extrusion degree between dies, carry out hot bending production on products, reduce the occurrence of product fracture and improve the yield.
In a first aspect of embodiments of the present invention, there is provided a hot bend forming system, including: the upper and lower die areas are provided with upper die equipment and a first lower die fixing plate, the upper die equipment is provided with a first upper die mechanism, and the first lower die fixing plate is positioned below the upper die equipment; the hot bending area is arranged adjacent to the upper die area and the lower die area and is provided with hot bending equipment, a second lower die fixing plate and a plurality of heating devices, the hot bending equipment is provided with a second upper die mechanism, the second lower die fixing plate is positioned below the hot bending equipment, and the heating devices are respectively positioned in the second upper die mechanism and the second lower die fixing plate; the transmission mechanism is used for driving an upper die to transfer between the first upper die mechanism and the second upper die mechanism and driving a lower die to transfer between the first lower die fixing plate and the second lower die fixing plate; and the control mechanism is respectively connected with the first upper die mechanism and the second upper die mechanism and is used for driving the first upper die mechanism and/or the second upper die mechanism to move up and down.
The technical scheme at least has the following beneficial effects: according to the technical scheme of the embodiment of the invention, the upper die and the lower die area and the hot bending area are arranged, the upper die is placed on the first upper die mechanism in the upper die equipment, the lower die is placed on the first lower die fixing plate, the first upper die mechanism is controlled by the control mechanism to move up and down, so that the upper die is driven to move up and down, the upper die and the lower die are in a closed state or a semi-closed state or a separated state, for example, the upper die and the lower die are accurately controlled to be in a separated state, and then a product is placed in the lower die; the upper die and the lower die are accurately controlled to be in a semi-closed state, so that the product is prepared for further hot bending processing, and the product can be prevented from being broken due to extrusion of the upper die and the lower die; the transmission mechanism drives the upper die to transfer between the first upper die mechanism and the second upper die mechanism and drives the lower die to transfer between the first lower die fixing plate and the second lower die fixing plate, for example, the first upper die mechanism and the second upper die mechanism can be located at the same height, the transmission mechanism transfers the upper die to the second upper die mechanism, the lower die and a product are transferred to the second lower die fixing plate together, the heating device heats the upper die and the lower die respectively, the product in the lower die is softened, meanwhile, the second upper die mechanism drives the upper die to move downwards, so that the upper die and the lower die are assembled, the product is extruded, and the hot bending equipment is used for hot bending the product. According to the technical scheme of the embodiment of the invention, the extrusion degree between the dies can be accurately controlled, the occurrence of product breakage is reduced, and the yield is improved.
According to some embodiments of the present invention, the first upper die mechanism includes a first upper die guide and a first movable plate, the first movable plate is located above the first upper die guide, the first upper die guide and the first movable plate are connected through a plurality of first connecting rods, the control mechanism is connected with the first movable plate, and the control mechanism is used for controlling the first movable plate to move up and down.
According to some embodiments of the present invention, the first upper die mechanism further includes a first pressing plate, the first pressing plate is located between the first movable plate and the first upper die guide rail, the control mechanism is connected to the first pressing plate, the control mechanism is configured to control the first pressing plate to move up and down, and a cooling water channel is disposed in the first pressing plate.
According to some embodiments of the present invention, the second upper die mechanism includes a second upper die guide, a second movable plate, and a second pressing plate, the second movable plate is located above the second upper die guide, the second upper die guide and the second movable plate are connected by a plurality of second connecting rods, the heating device is fixedly connected below the second pressing plate, and the heating device and the second pressing plate are located between the second movable plate and the second upper die guide; the control mechanism is respectively connected with the second movable plate and the second pressing plate and is used for controlling the second movable plate and/or the second pressing plate to move up and down.
According to some embodiments of the invention, the first lower die fixing plate is provided with a first limiting strip extending along the moving direction of the lower die, the second lower die fixing plate is provided with a second limiting strip extending along the moving direction of the lower die, and the first limiting strip or the second limiting strip is used for being matched with the guide groove at the bottom of the lower die.
According to some embodiments of the invention, the heating means comprises several separate heating plates or separate heating rods or separate heating wires or separate heating strips.
According to some embodiments of the present invention, the upper and lower mold areas and the hot bending area are both configured as a sealing area, the first upper mold mechanism, the first lower mold fixing plate, the second upper mold mechanism and the second lower mold fixing plate are all located in the sealing area, movable doors are respectively disposed on two sides of the upper and lower mold areas and the hot bending area, the control mechanism is connected to the movable doors, and the control mechanism is configured to control the movable doors to open or close.
In a second aspect of the embodiments of the present invention, there is provided a hot-bending forming method applied to the hot-bending forming system of the first aspect, where the method includes: placing the upper die into the first upper die mechanism and placing the lower die into the first lower die fixing plate under the condition that the upper die and the lower die are kept matched; the first upper die mechanism drives the upper die to move, a product is placed in the lower die, and the upper die and the lower die are in a semi-closed state; moving the upper die to the second upper die mechanism, and moving the lower die to the second lower die fixing plate; and the heating device respectively heats the upper die and the lower die according to preset temperature and time, and then the upper die and the lower die are closed, so that the product is subjected to hot bending forming.
The technical scheme at least has the following beneficial effects: in order to calibrate the position between the upper die and the lower die, the upper die and the lower die are kept in a die closing state, then the die-closed upper die is placed into the first upper die mechanism, the lower die is placed into the first lower die fixing plate, and the upper die and the lower die are placed into the upper die area and the lower die area; the first upper die mechanism drives the upper die to move upwards so as to separate the upper die from the lower die, then the product is placed in the lower die, and then the first upper die mechanism drives the upper die to move downwards so as to enable the upper die and the lower die to be in a semi-closed state, at the moment, the position between the upper die and the lower die is accurately controlled, the product is prevented from being broken due to excessive extrusion of the upper die and the lower die, and preparation is provided for the next hot bending processing of the product; then moving the upper die to a second upper die mechanism, and moving the lower die to a second lower die fixing plate; and the heating device respectively heats the upper die and the lower die according to preset temperature and time, closes the upper die and the lower die again, and extrudes the product, so that the product is subjected to hot bending forming. According to the technical scheme of the embodiment of the invention, the extrusion degree between the dies can be accurately controlled, the damage of products caused by die extrusion is reduced, and the yield is improved.
According to some embodiments of the present invention, the first upper die mechanism is provided with a first upper die guide rail for placing the upper die, a first movable plate and a first pressing plate, the first movable plate is located above the first upper die guide rail, the first upper die guide rail is connected to the first movable plate through a plurality of first connecting rods, the first pressing plate is located between the first movable plate and the first upper die guide rail, the control mechanisms are respectively connected to the first movable plate and the first pressing plate, and the control mechanisms are used for controlling the first movable plate and the first pressing plate to move up and down; the first upper die mechanism drives the upper die to move, a product is placed in the lower die, and the upper die and the lower die are in a semi-closed state, and the method further comprises the following steps: the upper die is positioned on the first upper die guide rail, and the first pressing plate is pressed downwards to the upper die; the first movable plate drives the upper die to move upwards, so that the upper die and the lower die are in a separated state, and the product is placed in the lower die; the first movable plate drives the lower die to move downwards, so that the upper die and the lower die are in a semi-closed state.
According to some embodiments of the present invention, the second upper die mechanism includes a second upper die guide rail for placing the upper die, a second movable plate, and a second pressing plate, the second movable plate is located above the second upper die guide rail, the second upper die guide rail and the second movable plate are connected by a plurality of second connecting rods, the heating device is fixedly connected below the second pressing plate, and the heating device and the second pressing plate are located between the second movable plate and the second upper die guide rail; the control mechanism is respectively connected with the second movable plate and the second pressing plate and is used for controlling the second movable plate and/or the second pressing plate to move up and down; the moving the upper mold to the second upper mold mechanism and the lower mold to the second lower mold fixing plate further comprises the following method steps: moving the second upper die guide rail to the same height as the first upper die guide rail; moving the upper mold to the second upper mold guide rail, and moving the lower mold to the second lower mold fixing plate; the second pressing plate drives the heating device to press the upper die downwards.
Additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a hot roll forming system according to one embodiment of the present invention;
FIG. 2 is a side view of the upper and lower mold sections of a hot bend forming system according to one embodiment of the present invention;
FIG. 3 is a schematic diagram of a hot bend region of a hot bend forming system according to one embodiment of the present invention;
FIG. 4 is a schematic diagram of a hot roll forming system according to one embodiment of the present invention;
FIG. 5 is a schematic diagram of a hot roll forming system according to one embodiment of the present invention;
FIG. 6 is a schematic diagram of a hot roll forming system according to one embodiment of the present invention;
fig. 7 is a schematic flow chart of a hot roll forming method according to an embodiment of the present invention.
Reference numerals:
the mold comprises an upper mold area 100, a lower mold area 110, a first lower mold fixing plate 120, a first limit strip 121, a first upper mold mechanism 130, a first upper mold guide rail 131, a first movable plate 132, a first pressing plate 133 and a first connecting rod 134;
a hot bending area 200, hot bending equipment 210, a second lower die fixing plate 220, a second limiting strip 221, a heating device 230 and a heating plate 231; a second upper die mechanism 240, a second upper die guide rail 241, a second movable plate 242, a second pressing plate 243, and a second connecting rod 244;
an upper mold 300; a lower mold 400, a guide groove 410; a movable door 500.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the positional or orientational descriptions, such as upper, lower, front, rear, left, right, inner, outer, vertical, parallel, etc., referred to herein are based on the positional or orientational relationships shown in the drawings, and are for convenience of description and simplicity of description only, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 6, an embodiment of a first aspect of the present invention provides a hot bend forming system, comprising: the upper and lower mold area 100 is provided with an upper mold device 110 and a first lower mold fixing plate 120, the upper mold device 110 is provided with a first upper mold mechanism 130, and the first lower mold fixing plate 120 is located below the upper mold device 110; the hot bending area 200 is arranged adjacent to the upper and lower die areas 100, and is provided with a hot bending device 210, a second lower die fixing plate 220 and a plurality of heating devices 230, the hot bending device 210 is provided with a second upper die mechanism 240, the second lower die fixing plate 220 is positioned below the hot bending device 210, and the heating devices 230 are respectively positioned in the second upper die mechanism 240 and the second lower die fixing plate 220; a transmission mechanism for driving the upper mold 300 to be transferred between the first upper mold mechanism 130 and the second upper mold mechanism 240, and driving the lower mold 400 to be transferred between the first lower mold fixing plate 120 and the second lower mold fixing plate 220; and the control mechanism is connected with the first upper die mechanism 130 and the second upper die mechanism 240 respectively and is used for driving the first upper die mechanism 130 and/or the second upper die mechanism 240 to move up and down.
In this embodiment, by providing the upper and lower mold areas 100 and the hot bending area 200, the upper and lower mold areas 100 and the hot bending area 200 are disposed adjacent to each other, an upper mold device 110 and a first lower mold fixing plate 120 are disposed in the upper and lower mold areas 100, an upper mold 300 is placed on a first upper mold mechanism 130 in the upper mold device 110, a lower mold 400 is placed on the first lower mold fixing plate 120, and the control mechanism controls the first upper mold mechanism 130 to move up and down, so as to drive the upper mold 300 to move up and down, so that the upper mold 300 and the lower mold 400 are in a closed state or a semi-closed state or a separated state. For example, the upper mold 300 and the lower mold 400 are precisely controlled to be in a separated state by the control mechanism, and the product is put into the lower mold 400; the upper die 300 and the lower die 400 are accurately controlled to be in a semi-closed state through the control mechanism, so that the product is prepared for further hot bending processing, and the product can be prevented from being broken due to excessive extrusion between the upper die 300 and the lower die 400. The transmission mechanism drives the upper mold 300 to transfer between the first upper mold mechanism 130 and the second upper mold mechanism 240, and drives the lower mold 400 to transfer between the first lower mold fixing plate 120 and the second lower mold fixing plate 220, for example, the first upper mold mechanism 130 and the second upper mold mechanism 240 may be at the same height, the transmission mechanism moves the upper mold 300 to the second upper mold mechanism 240, and moves the lower mold 400 and the product to the second lower mold fixing plate 220 together, the heating device 230 heats the upper mold 300 and the lower mold 400 respectively, so as to soften the product in the lower mold 400, and simultaneously the second upper mold mechanism 240 drives the upper mold 300 to move downward, so as to be matched with the lower mold 400, so as to extrude the product, so that the hot bending apparatus 210 performs hot bending on the product. The technical scheme at least has the following beneficial effects: according to the technical scheme of the embodiment of the invention, the position between the upper die 300 and the lower die 400 can be accurately controlled, the heating device 230 is arranged to carry out hot bending production on the product, the product can be prevented from being cracked due to excessive extrusion between the dies, and the yield is improved.
In other embodiments, in order to calibrate the position between the upper mold 300 and the lower mold 400 for the subsequent hot bending production of the product and to prevent the product from being deformed by hot bending, the upper mold 300 and the lower mold 400 may be clamped before the upper mold 300 and the lower mold 400 are placed in the upper and lower mold areas 100, and then the upper mold 300 is aligned with the first upper mold mechanism 130, and the lower mold 400 is aligned with the first lower mold fixing plate 120, and the clamped upper mold 300 and lower mold 400 are placed in the upper and lower mold areas 100.
In other embodiments, the first lower mold fixing plate 120 may also be used to cool the lower mold 400, for example, a cooling water channel may be disposed in the first lower mold fixing plate 120, or natural cooling may be performed, or air cooling may be directly performed on the first lower mold fixing plate 120, so as to cool the product after the hot bending process, so as to accelerate the production efficiency, and finally the product is taken out to complete the hot bending process.
In other embodiments, a plurality of upper and lower mold areas 100 may be provided, for example, referring to fig. 6, by providing two upper and lower mold areas 100 and one hot bending area 200, the hot bending area 200 is located between the two upper and lower mold areas 100, and the two upper and lower mold areas 100 can respectively perform upper and lower mold operations on the upper mold 300 and the lower mold 400, so as to realize the transfer between the upper and lower mold areas 100 and the hot bending area 200 by the upper mold 300 and the lower mold 400. Specifically, taking one of the upper and lower mold areas 100 as an example, the upper mold 300 and the lower mold 400 carrying the product are moved to the hot bending area 200 through the transmission mechanism, the hot bending device 210 performs hot bending on the product, then the transmission mechanism transfers the upper mold 300 and the lower mold 400 carrying the product to the original upper and lower mold areas 100 for cooling and heat dissipation, and finally the product is taken out, thereby completing the hot bending production; and the other upper and lower die area 100 is also provided with another upper die 300 and another lower die 400, so as to prepare for further hot bending production of another product, that is, after the transmission mechanism transfers the upper die 300 and the lower die 400 carrying the product to the original upper and lower die area 100, the transmission mechanism moves the other upper die 300 and the other lower die 400 carrying another product in the other upper and lower die area 100 to the hot bending area 200, so that the hot bending device 210 performs hot bending processing on another product, and the two upper and lower die areas 100 are arranged to alternately transmit the upper die 300 and the lower die 400 to the hot bending area 200, thereby effectively improving the production efficiency. It should be noted that, in other embodiments, a plurality of upper and lower mold areas 100 and a plurality of hot bending areas 200 may also be arranged in the hot bending forming system, so that the hot bending areas 200 are arranged adjacent to the upper and lower mold areas 100, thereby effectively improving the hot bending production efficiency of the product, which is not limited to this embodiment and is not described herein again.
Referring to fig. 1, in other embodiments, the heating device 230 is arranged to heat the upper mold 300 and the lower mold 400 respectively, the heating device 230 may be arranged to be a plurality of independent heating plates 231 or a plurality of independent heating rods or a plurality of independent heating wires or a plurality of independent heating belts, and the like, according to the hot bending process requirements of the products, different temperature controls are performed on the heating device 230, so as to realize regional temperature adjustment, thereby realizing different hot bending degrees of different products, and having practicability.
Referring to fig. 1 and 2, according to some embodiments of the present invention, the first upper die mechanism 130 includes a first upper die rail 131 and a first movable plate 132, the first movable plate 132 is located above the first upper die rail 131, the first upper die rail 131 and the first movable plate 132 are connected by a plurality of first connecting rods 134, and a control mechanism is connected to the first movable plate 132, the control mechanism being configured to control the first movable plate 132 to move up and down.
In the embodiment of the present invention, the first upper mold rail 131 and the first movable plate 132 are arranged, the control mechanism is connected to the first movable plate 132, the first upper mold rail 131 and the first movable plate 132 are connected by a plurality of first connecting rods 134, the first upper mold rail 131 is distributed below two sides of the first movable plate 132, and a gap is left, the upper mold 300 is placed and fixed in the first upper mold rail 131, and the control mechanism controls the first movable plate 132 to drive the upper mold 300 to move upward or downward. Specifically, the upper mold 300 is moved into the first upper mold rail 131 and fixed, the lower mold 400 is moved into the first lower mold fixing plate 120, the positions of the upper mold 300 and the lower mold 400 are calibrated, the first movable plate 132 drives the upper mold 300 to move upwards, so that the upper mold 300 and the lower mold 400 are in a separated state, then the product is placed into the lower mold 400, the first movable plate 132 drives the upper mold 300 to move downwards, so that the upper mold 300 and the lower mold 400 are in a semi-closed state, and preparation is made for the product to enter the next hot bending production. Through setting up first last mould guide rail 131 and placing and fix mould 300 on, mould 300 up-and-down motion is gone up in the drive of first fly leaf 132, realizes the extrusion degree between accurate control mould, reduces the product and causes cracked condition to take place because of the mould extrusion.
Referring to fig. 1 and 2, according to some embodiments of the present invention, the first upper die mechanism 130 further includes a first pressing plate 133, the first pressing plate 133 is located between the first movable plate 132 and the first upper die rail 131, the control mechanism is connected to the first pressing plate 133, the control mechanism is configured to control the first pressing plate 133 to move up and down, and a cooling water channel is disposed in the first pressing plate 133. In the embodiment of the present invention, by providing the first pressing plate 133 on the first upper die mechanism 130, and providing a cooling water channel in the first pressing plate 133, the heated upper die 300 can be cooled by continuously delivering cold water to the cooling water channel; and the control mechanism is connected with the first pressing plate 133, the control mechanism is used for controlling the first pressing plate 133 to move up and down, the first pressing plate 133 can move down to clamp the upper mold 300, so that the upper mold 300 is fixed, the upper mold 300 is prevented from moving away in the up-and-down moving process, process defects are reduced, and the yield is improved. Specifically, the control mechanism controls the first pressing plate 133 to move upward so as to leave a gap, at which time the upper mold 300 is moved into the first upper mold rail 131 and fixed, the lower mold 400 is moved into the first lower mold fixing plate 120, and positions of the upper mold 300 and the lower mold 400 are aligned, and the control mechanism controls the first pressing plate 133 to move downward and clamp the upper mold 300, so as to fix the upper mold 300. The first movable plate 132 drives the upper mold 300 to move upward to separate the upper mold 300 from the lower mold 400, and then the product is placed into the lower mold 400, and the first movable plate 132 drives the upper mold 300 to move downward to semi-close the upper mold 300 and the lower mold 400, so as to prepare for the next hot bending production of the product.
Referring to fig. 1 and 3, according to some embodiments of the present invention, the second upper die mechanism 240 includes a second upper die rail 241, a second movable plate 242, and a second pressing plate 243, the second movable plate 242 is located above the second upper die rail 241, the second upper die rail 241 and the second movable plate 242 are connected by a plurality of second connecting rods 244, the heating device 230 is fixedly connected below the second pressing plate 243, and the heating device 230 and the second pressing plate 243 are located between the second movable plate 242 and the second upper die rail 241; the control mechanism is connected to the second movable plate 242 and the second pressing plate 243, and the control mechanism is used for controlling the second movable plate 242 and/or the second pressing plate 243 to move up and down.
In the embodiment of the present invention, by providing the second upper die mechanism 240 with the second upper die guide 241, the second movable plate 242 and the second pressing plate 243, the second upper die guide 241 is placed on and fixed to the upper die 300, and the control mechanism is connected to the second movable plate 242, and since the second upper die guide 241 is connected to the second movable plate 242 through the plurality of second connecting rods 244, the control mechanism controls the second movable plate 242 to drive the upper die 300 to move upward or downward. The control mechanism is further connected with the second pressing plate 243, the control mechanism is used for controlling the second pressing plate 243 to move up and down, the heating device 230 is further connected below the second pressing plate 243, the second pressing plate 243 and the heating device 230 can move down to clamp the upper die 300, so that the upper die 300 is fixed, the upper die 300 is prevented from moving away in the up-and-down moving process, the yield is improved, the heating device 230 directly contacts the upper die 300, the upper die 300 is heated, and the product is subjected to hot bending processing. Specifically, in order to move the upper mold 300 and the lower mold 400, the control mechanism controls the second movable plate 242 to move upward or downward, so that the second upper mold rail 241 is at the same height as the first upper mold rail 131, the control mechanism controls the second pressing plate 243 to move upward, so as to leave a gap, at this time, the transmission mechanism moves the upper mold 300 from the first upper mold rail 131 to the second upper mold rail 241, the lower mold 400 moves from the first lower mold fixing plate 120 to the second lower mold fixing plate 220, the control mechanism controls the second pressing plate 243 to move downward, and the second pressing plate 243 and the heating device 230 clamp the upper mold 300 downward. The heating device 230 respectively heats the upper die 300 and the lower die 400, and at the same time, the control mechanism controls the second movable plate 242 to move downwards, so that the upper die 300 and the lower die 400 are closed to press the product, thereby performing hot bending production on the product.
Referring to fig. 2, 3 and 5, according to some embodiments of the present invention, the first lower mold fixing plate 120 is provided with a first stopper 121 extending in a moving direction of the lower mold 400, the second lower mold fixing plate 220 is provided with a second stopper 221 extending in the moving direction of the lower mold 400, and the first stopper 121 or the second stopper 221 is adapted to be engaged with a guide groove 410 at the bottom of the lower mold 400.
In this embodiment, a groove is formed in the lower mold 400 for placing a product, a guide groove 410 is formed at the bottom of the lower mold 400, and the lower mold 400 is conveniently fixed and moved by arranging a first limiting strip 121 on the first lower mold fixing plate 120 and a second limiting strip 221 on the second lower mold fixing plate 220. Specifically, in order to facilitate the lateral reciprocating motion of the lower mold 400 between the upper and lower mold areas 100 and 200, the first stopper 121 of the first lower mold fixing plate 120 and the second stopper 221 of the second lower mold fixing plate 220 may be symmetrically disposed such that the guide groove 410 at the bottom of the lower mold 400 corresponds to the first stopper 121 of the first lower mold fixing plate 120, and the lower mold 400 is laterally moved into the upper and lower mold areas 100 and fixed. After the positions of the upper mold 300 and the lower mold 400 are calibrated, the guide groove 410 at the bottom of the lower mold 400 corresponds to the second limit strip 221 of the second lower fixing plate 220, the lower mold 400 is driven by the transmission mechanism to move, so that the product and the lower mold 400 enter the hot bending area 200, and the heating device 230 heats the upper mold 300 and the lower mold 400 respectively to soften the product. The control mechanism controls the second upper die mechanism 240 in the hot bending apparatus 210 to move downward, so that the upper die 300 and the lower die 400 are clamped to extrude the product, thereby hot-bending the product. Through being equipped with first spacing strip 121 at first lower mould fixed plate 120, second lower mould fixed plate 220 is equipped with second spacing strip 221, is convenient for lower mould 400 carry out horizontal reciprocating motion and effectively fixes the position of lower mould 400 between last lower mould district 100 and the curved district 200 of heat, does benefit to the curved production of heat of product, prevents that lower mould 400 from walking a position and making the product heat bend the deformation, improves the yield.
In other embodiments, a plurality of first limiting strips 121 or second limiting strips 221 may be disposed on the first lower mold fixing plate 120 or the second lower mold fixing plate 220, and the plurality of guide grooves 410 of the lower mold 400 correspond to the first limiting strips 121 or the second limiting strips 221 one by one, respectively, so as to align the lower mold 400 to the positions of the first limiting strips 121 or the second limiting strips 221, to fix the lower mold 400, and to realize the lateral reciprocating movement of the lower mold 400 and the product, thereby improving the production efficiency. In other embodiments, a plurality of guide grooves 410 may be further disposed at the bottom of the lower mold 400, corresponding to the first limiting strips 121 or the second limiting strips 221 disposed on the first lower mold fixing plate 120 or the second lower mold fixing plate 220, so as to achieve the fixing and the lateral movement of the lower mold 400, which will not be described herein again.
Referring to fig. 1, 3 to 5, according to some embodiments of the present invention, the heating device 230 includes several independent heating plates 231 or independent heating rods or independent heating wires or independent heating bands. In the embodiment of the present invention, the upper mold 300 and the lower mold 400 are heated by disposing a plurality of independent heating plates 231 or independent heating rods or independent heating wires or independent heating bands, the heating device 230 is partially disposed on the second upper mold mechanism 240 and partially disposed on the second lower mold fixing plate 220, and according to the demand of the product hot bending process, the temperature of each independent heating plate 231 or heating rod or heating wire or heating band is automatically controlled by energization and program, so that different hot bending production of different products is realized. In other embodiments, in order to improve heating efficiency, a plurality of rows of heating plates 231 may be further provided in the second upper mold mechanism 240 or the second lower mold fixing plate 220 to heat the product.
Referring to fig. 4 and 5, according to some embodiments of the present invention, the upper and lower mold areas 100 and the hot bending area 200 are configured as a sealing area, the first upper mold mechanism 130, the first lower mold fixing plate 120, the second upper mold mechanism 240 and the second lower mold fixing plate 220 are located in the sealing area, the movable doors 500 are disposed on two sides of the upper and lower mold areas 100 and the hot bending area 200, and the control mechanism is connected to the movable doors 500 and is configured to control the movable doors 500 to open or close. In the embodiment of the invention, the hot bending area 200 is set as the sealing area, so that the heat loss in the hot bending area 200 can be reduced, the heat in the hot bending area 200 can be kept, air cooling can be further arranged in the upper die area 100 and the lower die area 100, the upper die area 100 and the lower die area 100 can be kept to be cooled, the heat of the die can be dissipated, and the sealing area can effectively prevent the loss of the protective gas in the hot bending production process requiring the protective gas and has practicability. Through the arrangement of the movable door 500, on one hand, heat dissipation in the hot bending area 200 can be prevented, and on the other hand, the upper die 300 and the lower die 400 can conveniently enter and exit the upper die area 100 and the lower die area 200, so that the production efficiency is improved. The movable door 500 can be vertically arranged, the control mechanism controls the movable door 500 to move upwards to open, and controls the movable door 500 to move downwards to close; the movable door 500 may be laterally disposed, and the control mechanism controls the movable door 500 to move outward to open and controls the movable door 500 to move inward to close. In other embodiments, a movable door 500 may be disposed between the upper and lower mold sections 100 and 200, and the side of the upper and lower mold sections 100 away from the hot bending section 200 is opened to facilitate the movement of the upper mold 300 and the lower mold 400 into the upper and lower mold sections 100.
Referring to fig. 7, in a second aspect of the embodiment of the present invention, there is provided a hot-bending forming method applied to the hot-bending forming system of the first aspect, the method including:
step S100 of placing the upper mold 300 into the first upper mold mechanism 130 and placing the lower mold 400 into the first lower mold fixing plate 120 while the upper mold 300 and the lower mold 400 are kept in a closed state;
step S200, the first upper die mechanism 130 drives the upper die 300 to move, the product is placed in the lower die 400, and the upper die 300 and the lower die 400 are in a semi-closed state;
step S300, moving the upper mold 300 to the second upper mold mechanism 240, and moving the lower mold 400 to the second lower fixing plate 220;
in step S400, the heating device 230 respectively heats the upper mold 300 and the lower mold 400 according to the preset temperature and time, and then the upper mold 300 and the lower mold 400 are closed again, so as to perform hot bending molding on the product.
In the embodiment of the present invention, in order to calibrate the position between the upper mold 300 and the lower mold 400, the upper mold 300 and the lower mold 400 are clamped, and the clamped upper mold 300 is placed in the first upper mold mechanism 130 while the upper mold 300 and the lower mold 400 are kept clamped, and the lower mold 400 is placed in the first lower mold fixing plate 120, so that the upper mold 300 and the lower mold 400 are placed in the upper and lower mold areas 100; the first upper die mechanism 130 drives the upper die 300 to move upwards, so that the upper die 300 is separated from the lower die 400, then the product is placed in the lower die 400, the first upper die mechanism 130 drives the upper die 300 to move downwards, so that the upper die 300 and the lower die 400 are in a semi-closed state, the position between the upper die 300 and the lower die 400 is precisely controlled, the product is prevented from being broken due to excessive extrusion of the upper die 300 and the lower die 400, and the next hot bending process of the product is prepared; then the transmission mechanism moves the upper mold 300 from the first upper mold mechanism 130 to the second upper mold mechanism 240, and moves the lower mold 400 from the first lower mold fixing plate 120 to the second lower mold fixing plate 220; the heating device 230 respectively heats the upper mold 300 and the lower mold 400 according to a preset temperature and time, and closes the upper mold 300 and the lower mold 400 again to extrude the product, thereby hot-bending the product. The technical scheme at least has the following beneficial effects: according to the technical scheme of the embodiment of the invention, the extrusion degree between the dies can be accurately controlled, the damage of products caused by die extrusion is reduced, and the yield is improved.
According to some embodiments of the present invention, the first upper die mechanism 130 is provided with a first upper die guide 131, a first movable plate 132 and a first pressing plate 133 for placing the upper die 300, the first movable plate 132 is located above the first upper die guide 131, the first upper die guide 131 and the first movable plate 132 are connected by a plurality of first connecting rods 134, the first pressing plate 133 is located between the first movable plate 132 and the first upper die guide 131, the control mechanism is respectively connected with the first movable plate 132 and the first pressing plate 133, and the control mechanism is used for controlling the first movable plate 132 and the first pressing plate 133 to move up and down;
step S200 further comprises the following method steps: the upper die 300 is positioned on the first upper die guide rail 131, and the first pressing plate 133 presses the upper die 300 downwards; the first movable plate 132 drives the upper mold 300 to move upwards, so that the upper mold 300 and the lower mold 400 are in a separated state, and the product is placed in the lower mold 400; the first movable plate 132 drives the lower mold 400 to move downward, so that the upper mold 300 and the lower mold 400 are in a semi-closed state.
In the embodiment of the present invention, the upper mold 300 is located in the first upper mold mechanism 130 and the lower mold 400 is located in the first lower mold fixing plate 120 while the upper mold 300 and the lower mold 400 are still in a clamped state. The control mechanism controls the first pressing plate 133 to move downward, thereby pressing the upper mold 300. The control mechanism controls the first movable plate 132 to move upward again, so that the upper mold 300 and the lower mold 400 are separated, and the product is placed in the lower mold 400. The control mechanism controls the first movable plate 132 to move downward, so that the upper mold 300 and the lower mold 400 are in a semi-closed state, that is, the position between the upper mold 300 and the lower mold 400 is precisely controlled, the product is prevented from being broken due to excessive extrusion between the upper mold 300 and the lower mold 400, and preparation is provided for the next hot bending process of the product.
According to some embodiments of the present invention, the second upper die mechanism 240 includes a second upper die rail 241 for placing the upper die 300, a second movable plate 242 and a second pressing plate 243, the second movable plate 242 is located above the second upper die rail 241, the second upper die rail 241 and the second movable plate 242 are connected by a plurality of second connecting rods 244, the heating device 230 is fixedly connected below the second pressing plate 243, and the heating device 230 and the second pressing plate 243 are located between the second movable plate 242 and the second upper die rail 241; the control mechanism is respectively connected with the second movable plate 242 and the second pressing plate 243, and is used for controlling the second movable plate 242 and/or the second pressing plate 243 to move up and down;
step S300 further comprises the following method steps: moving the second upper die rail 241 to the same height as the first upper die rail 131; moving the upper mold 300 to the second upper mold rail 241 and moving the lower mold 400 to the second lower fixing plate 220; the second pressing plate 243 drives the heating device 230 to press the upper mold 300 downward.
In the embodiment of the present invention, the control mechanism controls the second upper mold rail 241 to move up or down, so that the second upper mold rail 241 is located at the same height as the first upper mold rail 131, which facilitates the transmission mechanism to move the upper mold 300 from the first upper mold rail 131 to the second upper mold rail 241, and the lower mold 400 is moved from the first lower mold fixing plate 120 to the second lower mold fixing plate 220. In other embodiments, the second upper die rail 241 may be controlled to move upward or downward such that the height of the second upper die rail 241 is slightly lower than the height of the first upper die rail 131. Specifically, the control mechanism controls the second movable plate 242 to move upward or downward, so that the second upper mold rail 241 and the first upper mold rail 131 are at the same height, the control mechanism controls the second movable plate 242 and the second pressing plate 243 to move upward, so as to leave a gap, at this time, the transmission mechanism moves the upper mold 300 from the first upper mold rail 131 to the second upper mold rail 241, the lower mold 400 moves from the first lower mold fixing plate 120 to the second lower mold fixing plate 220, the control mechanism controls the second pressing plate 243 to move downward, and the second pressing plate 243 and the heating device 230 clamp the upper mold 300 downward. The heating device 230 heats the upper mold 300 and the lower mold 400 respectively according to a preset temperature and time to soften the product, and the control mechanism controls the second movable plate 242 to move downwards to close the upper mold 300 and the lower mold 400 so as to press the product and realize hot bending forming of the product.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "specifically," or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A hot bend forming system, comprising:
the upper and lower die areas are provided with upper die equipment and a first lower die fixing plate, the upper die equipment is provided with a first upper die mechanism, and the first lower die fixing plate is positioned below the upper die equipment;
the hot bending area is arranged adjacent to the upper die area and the lower die area and is provided with hot bending equipment, a second lower die fixing plate and a plurality of heating devices, the hot bending equipment is provided with a second upper die mechanism, the second lower die fixing plate is positioned below the hot bending equipment, and the heating devices are respectively positioned in the second upper die mechanism and the second lower die fixing plate;
the transmission mechanism is used for driving an upper die to transfer between the first upper die mechanism and the second upper die mechanism and driving a lower die to transfer between the first lower die fixing plate and the second lower die fixing plate;
and the control mechanism is respectively connected with the first upper die mechanism and the second upper die mechanism and is used for driving the first upper die mechanism and/or the second upper die mechanism to move up and down.
2. The hot roll forming system of claim 1, wherein: first last mould mechanism includes first last mould guide rail and first fly leaf, first fly leaf is located first last mould guide rail top, first last mould guide rail with first fly leaf is connected through a plurality of head rod, control mechanism with first fly leaf is connected, control mechanism is used for control first fly leaf up-and-down motion.
3. The hot roll forming system of claim 2, wherein: the first upper die mechanism further comprises a first pressing plate, the first pressing plate is located between the first movable plate and the first upper die guide rail, the control mechanism is connected with the first pressing plate and used for controlling the first pressing plate to move up and down, and a cooling water channel is arranged in the first pressing plate.
4. The hot roll forming system according to claim 1, 2 or 3, wherein: the second upper die mechanism comprises a second upper die guide rail, a second movable plate and a second pressing plate, the second movable plate is positioned above the second upper die guide rail, the second upper die guide rail is connected with the second movable plate through a plurality of second connecting rods, the heating device is fixedly connected below the second pressing plate, and the heating device and the second pressing plate are positioned between the second movable plate and the second upper die guide rail; the control mechanism is respectively connected with the second movable plate and the second pressing plate and is used for controlling the second movable plate and/or the second pressing plate to move up and down.
5. The hot roll forming system according to claim 1, 2 or 3, wherein: the first lower die fixing plate is provided with a first limiting strip extending along the moving direction of the lower die, the second lower die fixing plate is provided with a second limiting strip extending along the moving direction of the lower die, and the first limiting strip or the second limiting strip is used for being matched with a guide groove in the bottom of the lower die.
6. The hot roll forming system according to claim 1, 2 or 3, wherein: the heating device comprises a plurality of independent heating plates or independent heating rods or independent heating wires or independent heating belts.
7. The hot roll forming system according to claim 1, 2 or 3, wherein: the upper die area and the lower die area are arranged in a sealing area, the first upper die mechanism, the first lower die fixing plate, the second upper die mechanism and the second lower die fixing plate are located in the sealing area, movable doors are arranged on two sides of the upper die area, the lower die area and the hot bending area, the control mechanism is connected with the movable doors, and the control mechanism is used for controlling the movable doors to be opened or closed.
8. A hot roll forming method applied to the hot roll forming system according to claim 1, the method comprising:
placing the upper die into the first upper die mechanism and placing the lower die into the first lower die fixing plate under the condition that the upper die and the lower die are kept matched;
the first upper die mechanism drives the upper die to move, a product is placed in the lower die, and the upper die and the lower die are in a semi-closed state;
moving the upper die to the second upper die mechanism, and moving the lower die to the second lower die fixing plate;
and the heating device respectively heats the upper die and the lower die according to preset temperature and time, and then the upper die and the lower die are closed, so that the product is subjected to hot bending forming.
9. The hot roll forming method according to claim 8,
the first upper die mechanism is provided with a first upper die guide rail, a first movable plate and a first pressing plate, the first movable plate is used for placing the upper die, the first movable plate is located above the first upper die guide rail, the first upper die guide rail is connected with the first movable plate through a plurality of first connecting rods, the first pressing plate is located between the first movable plate and the first upper die guide rail, the control mechanism is respectively connected with the first movable plate and the first pressing plate, and the control mechanism is used for controlling the first movable plate and the first pressing plate to move up and down;
the first upper die mechanism drives the upper die to move, a product is placed in the lower die, and the upper die and the lower die are in a semi-closed state, and the method further comprises the following steps:
the upper die is positioned on the first upper die guide rail, and the first pressing plate is pressed downwards to the upper die;
the first movable plate drives the upper die to move upwards, so that the upper die and the lower die are in a separated state, and the product is placed in the lower die;
the first movable plate drives the lower die to move downwards, so that the upper die and the lower die are in a semi-closed state.
10. The hot roll forming method according to claim 9,
the second upper die mechanism comprises a second upper die guide rail, a second movable plate and a second pressing plate, the second movable plate is used for placing the upper die, the second movable plate is located above the second upper die guide rail, the second upper die guide rail is connected with the second movable plate through a plurality of second connecting rods, the heating device is fixedly connected below the second pressing plate, and the heating device and the second pressing plate are located between the second movable plate and the second upper die guide rail; the control mechanism is respectively connected with the second movable plate and the second pressing plate and is used for controlling the second movable plate and/or the second pressing plate to move up and down;
the moving the upper mold to the second upper mold mechanism and the lower mold to the second lower mold fixing plate further comprises the following method steps:
moving the second upper die guide rail to the same height as the first upper die guide rail;
moving the upper mold to the second upper mold guide rail, and moving the lower mold to the second lower mold fixing plate;
the second pressing plate drives the heating device to press the upper die downwards.
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