CN112520988A - Vehicle-mounted glass hot bending machine and control method thereof - Google Patents
Vehicle-mounted glass hot bending machine and control method thereof Download PDFInfo
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- CN112520988A CN112520988A CN202011399011.3A CN202011399011A CN112520988A CN 112520988 A CN112520988 A CN 112520988A CN 202011399011 A CN202011399011 A CN 202011399011A CN 112520988 A CN112520988 A CN 112520988A
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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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- 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
- C03B23/035—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending
- C03B23/0352—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet
- C03B23/0357—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet by suction without blowing, e.g. with vacuum or by venturi effect
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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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- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The embodiment of the invention discloses a vehicle-mounted glass hot bending machine and a control method thereof, wherein the hot bending machine comprises an upper die, a lower die, a main bottom plate, a vehicle-mounted glass hot bending die reciprocating pushing mechanism, a vehicle-mounted glass hot bending heating device and a vehicle-mounted glass hot bending lifting pre-pressing forming mechanism, the vehicle-mounted glass hot bending die reciprocating pushing mechanism is arranged on the main bottom plate, and a linear bearing is arranged on the front wall of a heating cavity; the reciprocating pushing mechanism of the vehicle-mounted glass hot bending die comprises a linear ball screw transmission module, a rotary cylinder seat and a rotary rod; the vehicle-mounted glass hot bending heating device is arranged in the heating area and comprises a fixed plate, lamp tube frames are arranged on the left side and the right side below the fixed plate, and a plurality of halogen lamp tubes are arranged between the lamp tube frames; the vehicle-mounted glass hot-bending lifting prepressing forming mechanism is arranged at the top of the forming area. The invention can complete the processing of complex products, improves the production efficiency and the product quality, reduces the volume of equipment and saves the placing space of the equipment.
Description
Technical Field
The invention relates to the technical field of glass processing, in particular to a vehicle-mounted glass hot bending machine and a control method thereof.
Background
The conventional hot bending technique is mostly a machine type of hot bending forming of small glass, and each machine type is a separate hot suction forming (for example, a hot suction forming mechanism disclosed in patent application nos. 2018216068084, 2018216067560, 2018216069551, 2018111474315), or a method of press forming of a mold. However, as society develops, the larger the automotive center control glass is. When the size of the product is large, the designed curved surface is complex, and the angle is large, the hot bending forming result is difficult to achieve by using a single method. And the heating mode of the traditional large-scale glass hot bending machine is the heating mode of transferring heat energy by a mould, so that the problems of long heating time, uneven product heating, low processing efficiency and low finished product yield are caused.
Disclosure of Invention
The technical problem to be solved by the embodiment of the invention is to provide a vehicle-mounted glass hot bending machine and a control method thereof so as to realize hot bending forming of complex curved glass.
In order to solve the technical problems, the embodiment of the invention provides a vehicle-mounted glass hot bending machine, which comprises an upper die, a lower die and a main bottom plate, wherein a heating cavity is arranged on the main bottom plate, a material placing area is arranged on the main bottom plate corresponding to an inlet of the heating cavity, the heating cavity is divided into a heating area and a forming area, a heat absorption forming mechanism is arranged at the bottom of the forming area, a heating plate is arranged at the bottom of the heating area, a gate is arranged at the inlet of the heating cavity, the vehicle-mounted glass hot bending machine further comprises a vehicle-mounted glass hot bending die reciprocating pushing mechanism, a vehicle-mounted glass hot bending heating device and a vehicle,
the reciprocating pushing mechanism of the vehicle-mounted glass hot bending die is arranged on the main bottom plate, and a linear bearing is arranged on the front wall of the heating cavity; the back-and-forth pushing mechanism of the vehicle-mounted glass hot bending mold comprises a linear ball screw transmission module, a rotary cylinder seat and a rotary rod, wherein the rotary cylinder seat is arranged on a screw nut of the linear ball screw transmission module, the rotary cylinder is arranged on the rotary cylinder seat, the output end of the rotary cylinder is connected with the rotary rod, the rotary rod penetrates through a linear bearing and enters a heating cavity, a material placing area pushing frame, a heating area pushing frame and a forming area pushing frame are sequentially and correspondingly arranged on the rotary rod, a pushing cylinder is arranged on the material placing area pushing frame, and mold pushing plates are respectively arranged below the front end of the heating area pushing frame, below the front end of the forming area pushing frame and the pushing end of the pushing cylinder;
the vehicle-mounted glass hot bending heating device is arranged in the heating area and comprises a fixed plate, lamp tube frames are arranged on the left side and the right side below the fixed plate, and a plurality of halogen lamp tubes are arranged between the lamp tube frames; the left end and the right end of the fixed plate are respectively provided with a wire passing cover for covering the side face of the lamp tube frame, the wire passing covers are respectively provided with a wire passing pipe, the inside of the wire passing pipe is provided with a nitrogen pipe communicated with the inside of the wire passing cover, and the inside of the lamp tube frame is provided with an air outlet communicated with the inside of the wire passing cover; two ends of the halogen lamp tube are connected with conducting wires, and the conducting wires extend to the outside of the heating cavity through the wire cover and the wire passing tube in sequence and are connected with a power supply;
the vehicle-mounted glass hot-bending lifting prepressing forming mechanism is arranged at the top of the forming area and comprises a servo motor, a ball screw, a motor seat plate, a sliding table bottom plate, a sliding column, a nut seat sliding block, a connecting pipe, a cold water plate, heat insulation cotton and a heating plate, wherein the servo motor is arranged on the motor seat plate; sliding columns are arranged on two sides of the bottom of the motor seat plate and connected with a sliding table bottom plate through the sliding columns; the ball screw is connected with an output shaft of the servo motor, a ball nut is arranged on the ball screw, a nut seat sliding block is sleeved on the ball screw through the ball nut, and the bottom of the nut seat sliding block is connected with the connecting pipe; the connecting pipe is hollow, so that a ball screw can conveniently penetrate through the connecting pipe; the connecting pipe movably penetrates through the sliding table bottom plate, and a flange plate is arranged at the bottom of the connecting pipe; the flange plate is connected with the cold water plate through a plurality of locking screws, the heating plate is connected with the cold water plate through heat insulation cotton, and the upper die is arranged at the bottom of the heating plate.
Furthermore, the vehicle-mounted glass hot bending die reciprocating pushing mechanism further comprises a guide rod, one end of the guide rod is connected with the rotary cylinder seat, the other end of the guide rod movably penetrates through the front wall of the heating cavity through a guide sleeve to enter the heating cavity, and the guide rod is parallel to the rotary rod.
Furthermore, the front side and the rear side below the fixed plate are both provided with light screens.
Furthermore, the bottom surface of the fixing plate is a mirror surface.
Furthermore, a plurality of adjustable sliding strips which are abutted against the nut seat sliding blocks are arranged between the motor seat plate and the sliding table bottom plate, and the sliding strips are parallel.
Furthermore, the flange plate is also provided with a plurality of screw holes, jackscrew screws are installed in the screw holes, and the bottoms of the jackscrew screws are abutted to the cold water plate.
Furthermore, a shaft seal is arranged at the joint of the connecting pipe and the sliding table bottom plate, and the shaft seal is pressed and fixed on the shaft seal outer ring through a gland arranged on the sliding table bottom plate.
Correspondingly, the embodiment of the invention also provides a control method of the vehicle-mounted glass hot bending machine, which comprises the following steps:
step 1: when a lower die containing a product to be processed is placed in the material placing area, controlling a rotary air cylinder to rotate a material placing area pushing frame, enabling a die pushing plate on the material placing area pushing frame to be parallel to the lower die, and simultaneously opening a gate of the heating cavity;
step 2: the linear ball screw transmission module is controlled to drive the pushing cylinder to the near side of the lower die, and then the pushing cylinder is driven to push the lower die to the position of the heating area;
and step 3: controlling the pushing cylinder and the rotating cylinder to return, driving the pushing cylinder to an initial position by the linear ball screw transmission module, and closing the gate;
and 4, step 4: controlling the heating plate and the heating plate to respectively heat the lower die and the lower die, and starting the halogen lamp tube to irradiate a region to be processed on a product to be processed in the lower die after preset time;
and 5: after heating is finished, the rotary cylinder is controlled to rotate the heating area pushing frame, a die pushing plate on the heating area pushing frame is parallel to the lower die, and the linear ball screw transmission module is driven to push the lower die to the forming area;
step 6: controlling a vehicle-mounted glass hot bending lifting pre-pressing forming mechanism to drive an upper die to quickly fall above a product to be processed, and then slowly reducing the pressure; meanwhile, the product in the lower die is subjected to vacuum negative pressure suction through the heat suction forming mechanism, so that the product is attached to the lower die, and the product is formed under the action of the upper die and the lower die.
Further, step 6 is followed by:
and 7: after the product is molded and shaped, driving a molding area pushing frame to push the lower die to a heating area, returning a rotary cylinder, resetting the linear ball screw transmission module, and simultaneously carrying out heat preservation, annealing and cooling on the product;
and 8: the rotary cylinder is controlled to rotate, the rotary cylinder is controlled to drive the heating area pushing frame to push the lower die to the material placing area, and the formed product is taken away;
and step 9: the linear ball screw transmission module is reset, and the rotary cylinder returns to finish the material taking action.
The invention has the beneficial effects that: the invention can rapidly heat large glass, locally heat the large glass and uniformly heat the complex curved glass; the invention can complete the processing of complex products, improves the production efficiency and the product quality, reduces the volume of equipment and saves the placing space of the equipment.
Drawings
Fig. 1 is a perspective view of a vehicular glass hot bending machine according to an embodiment of the present invention.
FIG. 2 is a side view of a vehicular glass hot bender according to an embodiment of the present invention.
Fig. 3 is a sectional view at G-G in fig. 2.
Fig. 4 is a perspective view of an angle of a structure of a hot-bending machine portion of the vehicle-mounted glass according to the embodiment of the invention.
Fig. 5 is a perspective view of another angle of the structure of the vehicular glass heat-bending machine part according to the embodiment of the invention.
FIG. 6 is a top view of a vehicle glazing hot bender in accordance with an embodiment of the present invention.
Fig. 7 is a perspective view of an angle of the vehicle-mounted glass hot-bending heating apparatus according to the embodiment of the present invention.
Fig. 8 is a perspective view of another angle of the vehicle-mounted glass hot-bending heating apparatus according to the embodiment of the present invention.
Fig. 9 is a side view of a vehicular glass hot-bending heating apparatus according to an embodiment of the present invention.
Fig. 10 is a sectional view at B-B in fig. 9.
Fig. 11 is a perspective view of a vehicle-mounted glass hot bending lifting pre-pressing forming mechanism according to an embodiment of the invention.
FIG. 12 is a side view of the hot bending lifting pre-pressing forming mechanism for the vehicle-mounted glass according to the embodiment of the invention.
Fig. 13 is a cross-sectional view taken at D-D in fig. 12.
FIG. 14 is a flow chart of a method of controlling a vehicle glazing hot bender in accordance with an embodiment of the present invention.
Description of the reference numerals
The vehicle-mounted glass hot bending heating device 10, a fixed plate 11, a lamp tube frame 12, a halogen lamp tube 13, a wire passing cover 14, a wire passing tube 15, a nitrogen gas tube 16, an air outlet 17, a lead wire 18, a shading plate 19, a vehicle-mounted glass hot bending lifting pre-pressing forming mechanism 20, a servo motor 21, a ball screw 22, a motor seat plate 23, a sliding table bottom plate 24, a sliding column 25, a nut seat slide block 26, a connecting tube 27, a cold water plate 28, heat insulation cotton 29, a heating plate 30, a ball nut 31, a flange plate 32, a locking screw 33, a sliding strip 34, a top thread screw 35, a vehicle-mounted glass hot bending die reciprocating mechanism 40, a linear ball screw transmission module 41, a rotary cylinder seat 42, a rotary cylinder 43, a rotary rod 44, a discharging area pushing frame 45, a heating area pushing frame 46, a forming area pushing frame 47, a pushing cylinder 48, a die pushing plate 49, a main bottom plate 50, a linear bearing 51, a guide, the device comprises a sensing module 62, a gate 63, an upper die 70, a lower die 80 and a heat absorption forming mechanism 90.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application can be combined with each other without conflict, and the present invention is further described in detail with reference to the drawings and specific embodiments.
If directional indications (such as up, down, left, right, front, and rear … …) are provided in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the movement, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only used for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Referring to fig. 1 to 13, the vehicle-mounted glass hot bending machine according to the embodiment of the present invention includes an upper mold 70, a lower mold 80, a main bottom plate 50, a vehicle-mounted glass hot bending mold reciprocating pushing mechanism 40, a vehicle-mounted glass hot bending heating device 10, and a vehicle-mounted glass hot bending lifting pre-pressing forming mechanism 20.
The main bottom plate is provided with a heating cavity 60, a discharging area is arranged outside the inlet of the heating cavity 60 corresponding to the main bottom plate, the heating cavity 60 is internally divided into a heating area and a forming area, the bottom of the forming area is provided with a hot-absorbing forming mechanism 90, the bottom of the heating area is provided with a heating plate, and the inlet of the heating cavity 60 is provided with a gate 63 (the gate 63 is controlled and driven by a cylinder).
Referring to fig. 1 to 6, a reciprocating pushing mechanism 40 of a vehicle-mounted glass hot-bending mold according to an embodiment of the present invention includes a linear ball screw transmission module 41, a rotary cylinder 43, a rotary cylinder base 42, and a rotary rod 44.
The rotary cylinder block 42 is provided on the lead screw nut of the linear ball screw transmission module 41. The linear ball screw transmission module 41 is composed of a motor base, a supporting bearing seat, a screw rod fixing side seat and a ball screw, during implementation, the motor base is installed on the supporting bearing seat, a servo motor is installed on the motor base, the screw rod fixing side seat is installed at the front end of the motor base, the ball screw is installed between the screw rod fixing side seat and the supporting bearing seat, a screw nut is installed in the middle section of the screw rod, and a rotary cylinder seat 42 is installed on the outer ring of the screw nut.
The rotary cylinder 43 is arranged on the rotary cylinder base 42, and the output end of the rotary cylinder 43 is connected with the rotary rod 44 by adopting a rigid coupling. The rotary rod 44 is sequentially provided with a material placing area pushing frame 45, a heating area pushing frame 46 and a forming area pushing frame 47, the material placing area pushing frame 45 is provided with a pushing cylinder 48, and adjustable mold pushing plates 49 are arranged below the front end of the heating area pushing frame 46, below the front end of the forming area pushing frame 47 and at the pushing end of the pushing cylinder 48. The distance of the die push plate 49 can be adjusted according to the width of the die, the dies with different sizes are pushed after the die push plate 49 is adjusted, and the die push plate 49 is accurately positioned at a certain position through the matching of the servo motor of the linear ball screw transmission module 41.
The vehicle-mounted glass hot bending die reciprocating pushing mechanism 40 is arranged on the main bottom plate 50, a linear bearing 51 is arranged on the front wall 61 of the heating cavity 60, the rotary rod 44 penetrates through the linear bearing 51 to enter the heating cavity 60, the discharging area pushing frame 45 is arranged outside the heating cavity 60, and the heating area pushing frame 46 and the forming area pushing frame 47 are arranged in the heating cavity 60.
In one embodiment, the vehicle glass hot-bending mold reciprocating pushing mechanism 40 further comprises a guide rod 52, one end of the guide rod 52 is connected to the rotating cylinder base 42, the other end of the guide rod 52 movably penetrates through a front wall 61 of the heating cavity 60 through a guide sleeve to enter the heating cavity 60, and the guide rod 52 is parallel to the rotating rod 44. The guide rod 52 is used for guiding and increasing the stability of the rotating rod 44 during operation, and plays a role in supporting and balancing. The cross section of the guide rod 52, the rotary rod 44 and the screw rod of the linear ball screw transmission module 41 is triangular, so that the structure is stable, and the rotary cylinder seat 42 can be effectively prevented from shaking in operation.
In one embodiment, the on-vehicle glass hot bending mold reciprocating pushing mechanism 40 has 2 sets, and is symmetrically disposed on the left and right sides of the main bottom plate 50. The 2 sets of vehicle-mounted glass hot-bending die reciprocating pushing mechanisms 40 are respectively and correspondingly installed at two ends of the die, because the die is long, the 2 sets of vehicle-mounted glass hot-bending die reciprocating pushing mechanisms 40 are required to simultaneously push two ends of the lower die 80, the running stability of the lower die 80 is ensured, the left and right rotary cylinders work in a positive and negative mode, and the front and back pushing work of the linear ball screw transmission module 41 of the 2 sets of vehicle-mounted glass hot-bending die reciprocating pushing mechanisms 40 is in a synchronous design.
In one embodiment, the main base plate 50 further includes a sensing module 62 for sensing the movement stroke of the rotary cylinder base 42.
In one embodiment, the front wall 61 of the heating chamber 60 is provided with a gate 63 for facilitating the passage of the mold.
The vehicle-mounted glass hot bending heating device 10 is arranged in a heating area. Referring to fig. 1 to 10, a vehicle-mounted glass hot bending heating device 10 of the present invention includes a fixing plate 11. The fixing plate 11 is preferably square. The left side and the right side below the fixing plate 11 are both provided with a lamp tube rack 12, and the lamp tube racks 12 on the left side and the right side are preferably symmetrically arranged. A plurality of halogen lamps 13 are arranged between the lamp tube frames 12, and the halogen lamps 13 are preferably arranged in parallel at equal intervals.
The left end face and the right end face of the fixing plate 11 are covered with wire passing covers 14 which cover the side faces of the lamp tube rack 12, the wire passing covers 14 are respectively provided with wire passing pipes 15, and nitrogen pipes 16 which are communicated with the wire passing covers 14 are arranged in the wire passing pipes 15. A nitrogen gas line 16 is used to deliver nitrogen gas into the enclosure through the wire enclosure 14. The inner side of the lamp tube frame 12 is provided with an air outlet 17 communicated with the interior of the wire passing cover 14. The two ends of the halogen lamp tube 13 are connected with lead wires 18, and the lead wires 18 pass through the wire cover 14 and the wire passing tube 15 in sequence. The nitrogen is conveyed from the nitrogen pipe 16 into the wire cover 14 and then discharged from the air outlet 17 to take away the heat around the lead wire 18 and the two ends of the halogen lamp tube 13, thereby preventing the lead wire 18 from being oxidized due to high temperature, reducing the temperature at the two ends of the halogen lamp tube 13 and protecting the lead wire 18 and the halogen lamp tube 13.
In one embodiment, the fixing plate 11 is provided with light shielding plates 19 at the front and rear sides below the fixing plate. The light shielding plate 19 is used for shielding light, and the heating efficiency of the halogen lamp tube 13 is improved.
In one embodiment, the bottom surface of the fixing plate 11 is a mirror surface for reflecting the light source. The fixing plate 11 of the mirror surface is used for reflecting light, and the heating efficiency of the halogen lamp tube 13 is improved.
In one embodiment, the lamp tube frame 12 is provided with multiple segments of light shielding plates 19 on the inner side and the bottom. The multi-segment light shielding plate 19 is installed in segments, and the segmented installation has the function of facilitating the disassembly and assembly if the halogen lamp tube 13 at one segment is damaged.
In one embodiment, the halogen lamp 13 is a halogen short-wave infrared lamp. The halogen short wave infrared lamp tube generates infrared light which is directly irradiated to the surface of the glass product to heat the glass product.
The vehicle-mounted glass hot-bending heating device 10 is arranged in the heating cavity 60, and the lead wire 18 sequentially extends out of the heating cavity 60 through the wire cover 14 and the wire passing pipe 15.
The whole vehicle-mounted glass hot-bending heating device 10 is hung in the heating cavity 60, the height position can be adjusted, and only the vent pipe 15 and the nitrogen pipe 16 are exposed out of the heating cavity 60.
The vehicle-mounted glass hot-bending lifting pre-pressing forming mechanism 20 is arranged at the top of the forming area. Referring to fig. 1 to 13, the vehicle-mounted glass hot bending lifting pre-pressing forming mechanism 20 of the present invention includes a servo motor 21, a ball screw 22, a motor seat plate 23, a sliding table bottom plate 24, a sliding column 25, a nut seat slider 26, a connecting pipe 27, a cold water plate 28, a heat insulation cotton 29, and a heating plate 30.
On servo motor 21 located motor bedplate 23, during concrete implementation, two motor backup pads of motor bedplate 23 top installation, the good electroplax flange board of installation in the motor backup pad, servo motor 21 has been installed to motor flange board top. Sliding columns 25 are arranged on two sides of the bottom of the motor seat plate 23 and connected with a sliding table bottom plate 24 through the sliding columns 25; the ball screw 22 is connected to an output shaft of the servomotor 21. The center of the motor seat plate 23 is provided with a center hole, a screw nut fixing side seat piece is arranged at the center hole, a ball screw 22 penetrates through the center of the nut fixing side seat, and the upper end of the ball screw 22 is connected with an output shaft of the servo motor 21 through a coupler.
The ball screw 22 is provided with a ball nut 31, the nut seat slide block 26 is sleeved on the ball screw 22 through the ball nut 31, and the bottom of the nut seat slide block 26 is connected with the connecting pipe 27. Specifically, a ball nut 31 is attached to the lower end of the ball screw 22, and a nut holder slide 26 is attached to the lower side of the ball nut 31. The connecting tube 27 is hollow inside to facilitate the ball screw 22 to pass through. The connecting pipe 27 movably penetrates through the sliding table bottom plate 24. The connecting pipe 27 is made of 1200-degree-resistant high-temperature stainless steel, the ball screw 22 can penetrate through the hollow position of the connecting pipe 27, the installation space is saved, meanwhile, the ball screw 22 is protected, and in the specific implementation process, the lower portion of the connecting pipe 27 penetrates through the center hole of the sliding table bottom plate 24 to penetrate through the upper plate of the heating cavity 60 of the vehicle-mounted glass hot bending machine to the interior of the heating cavity 60.
The bottom of the connecting pipe 27 is provided with a flange 32. The flange 32 is connected with the cold water plate 28 through a plurality of locking screws 33, and the heating plate 30 is connected with the cold water plate 28 through the heat insulation cotton 29. The invention installs the cold water board 28 below the flange 32, install the heat insulation cotton 29 of high temperature resistance below the cold water board 28, used for the heat insulation; the heating plate 30 is arranged below the heat insulation cotton 29, the upper die 70 is connected with the heating plate 30, and the heating plate 30 heats the upper die 70. Preferably, four locking screw holes are formed in the flange 32, and the locking screws 33 are installed in the holes to connect the flange 32 with the cold water plate 28.
As an embodiment, a plurality of adjustable (the tightness between the slide bar 34 and the nut seat slide block 26 can be adjusted by matching screws with kidney-shaped screw holes) slide bars 34 which are abutted against the nut seat slide block 26 and are parallel to the slide bars 34 are further arranged between the motor seat plate 23 and the sliding table bottom plate 24. During specific implementation, the sliding table bottom plate 24 is directly installed on an upper plate of a heating cavity 60 of the vehicle-mounted glass hot bending machine, one sliding column 25 is respectively installed on the left side and the right side above the sliding table bottom plate 24, and four sliding strips 34 are respectively installed on two sides of an inner cavity of each sliding column 25 for guiding. The motor seat plate 23 is mounted above the two sliding columns 25 and used for fixing the upper parts of the sliding columns 25.
In one embodiment, the side of the nut seat slide block 26 is beveled to match the slide bar 34. Preferably, the nut seat sliding block 26 is provided with four oblique angles, and the four oblique angles of the nut seat sliding block 26 are tangentially attached to the sliding strip 34.
In one embodiment, the flange 32 is further provided with a plurality of screw holes, the screw holes are internally provided with the jackscrews 35, the jackscrews 35 are arranged in the screw holes, and the bottoms of the jackscrews 35 are abutted against the cold water plate 28. Preferably, the number of the screw holes is 4, the interval angle and the distance are the same, and 4 jackscrew screws 35 are used for adjusting the parallel angle of the heating plate and the die product. For example, a screw 35 is screwed, and the screw 35 presses one side of the cold water plate 28 to change the horizontal angle of the cold water plate 28, thereby always keeping the heat generating plate 30 parallel or applying pressure at a predetermined angle.
In one embodiment, a shaft seal is disposed at the joint of the connecting tube 27 and the sliding platform bottom plate 24, and the shaft seal is pressed and fixed on the outer ring of the shaft seal by a pressing cover disposed on the sliding platform bottom plate 24.
Referring to fig. 14, a method for controlling a vehicle-mounted glass hot bending machine according to an embodiment of the present invention includes:
step 1: when a lower die containing a product to be processed is placed in the material placing area, controlling a rotary air cylinder to rotate a material placing area pushing frame, enabling a die pushing plate on the material placing area pushing frame to be parallel to the lower die, and simultaneously opening a gate of the heating cavity;
step 2: the linear ball screw transmission module is controlled to drive the pushing cylinder to the near side of the lower die, and then the pushing cylinder is driven to push the lower die to the position of the heating area;
and step 3: controlling the pushing cylinder and the rotating cylinder to return, driving the pushing cylinder to an initial position by the linear ball screw transmission module, and closing the gate;
and 4, step 4: controlling the heating plate and the heating plate to respectively heat the lower die and the lower die, and starting the halogen lamp tube to irradiate a region to be processed on a product to be processed in the lower die after preset time;
and 5: after heating is finished, the rotary cylinder is controlled to rotate the heating area pushing frame, a die pushing plate on the heating area pushing frame is parallel to the lower die, and the linear ball screw transmission module is driven to push the lower die to the forming area;
step 6: controlling a vehicle-mounted glass hot bending lifting pre-pressing forming mechanism to drive an upper die to quickly fall above a product to be processed, and then slowly reducing the pressure; meanwhile, the product in the lower die is subjected to vacuum negative pressure suction through the heat suction forming mechanism, so that the product is attached to the lower die, and the product is formed under the action of the upper die and the lower die.
As an embodiment, step 6 is followed by:
and 7: after the product is molded and shaped, driving a molding area pushing frame to push the lower die to a heating area, returning a rotary cylinder, resetting the linear ball screw transmission module, and simultaneously carrying out heat preservation, annealing and cooling on the product;
and 8: the rotary cylinder is controlled to rotate, the rotary cylinder is controlled to drive the heating area pushing frame to push the lower die to the material placing area, and the formed product is taken away;
and step 9: the linear ball screw transmission module is reset, and the rotary cylinder returns to finish the material taking action.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A vehicle-mounted glass hot bending machine comprises an upper die, a lower die and a main bottom plate, wherein a heating cavity is arranged on the main bottom plate, a material placing area is arranged on the main bottom plate and corresponds to the outside of an inlet of the heating cavity, the heating cavity is divided into a heating area and a forming area, a heat absorption forming mechanism is arranged at the bottom of the forming area, a heating plate is arranged at the bottom of the heating area, and a gate is arranged at the inlet of the heating cavity.
The reciprocating pushing mechanism of the vehicle-mounted glass hot bending die is arranged on the main bottom plate, and a linear bearing is arranged on the front wall of the heating cavity; the back-and-forth pushing mechanism of the vehicle-mounted glass hot bending mold comprises a linear ball screw transmission module, a rotary cylinder seat and a rotary rod, wherein the rotary cylinder seat is arranged on a screw nut of the linear ball screw transmission module, the rotary cylinder is arranged on the rotary cylinder seat, the output end of the rotary cylinder is connected with the rotary rod, the rotary rod penetrates through a linear bearing and enters a heating cavity, a material placing area pushing frame, a heating area pushing frame and a forming area pushing frame are sequentially and correspondingly arranged on the rotary rod, a pushing cylinder is arranged on the material placing area pushing frame, and mold pushing plates are respectively arranged below the front end of the heating area pushing frame, below the front end of the forming area pushing frame and the pushing end of the pushing cylinder;
the vehicle-mounted glass hot bending heating device is arranged in the heating area and comprises a fixed plate, lamp tube frames are arranged on the left side and the right side below the fixed plate, and a plurality of halogen lamp tubes are arranged between the lamp tube frames; the left end and the right end of the fixed plate are respectively provided with a wire passing cover for covering the side face of the lamp tube frame, the wire passing covers are respectively provided with a wire passing pipe, the inside of the wire passing pipe is provided with a nitrogen pipe communicated with the inside of the wire passing cover, and the inside of the lamp tube frame is provided with an air outlet communicated with the inside of the wire passing cover; two ends of the halogen lamp tube are connected with conducting wires, and the conducting wires extend to the outside of the heating cavity through the wire cover and the wire passing tube in sequence and are connected with a power supply;
the vehicle-mounted glass hot-bending lifting prepressing forming mechanism is arranged at the top of the forming area and comprises a servo motor, a ball screw, a motor seat plate, a sliding table bottom plate, a sliding column, a nut seat sliding block, a connecting pipe, a cold water plate, heat insulation cotton and a heating plate, wherein the servo motor is arranged on the motor seat plate; sliding columns are arranged on two sides of the bottom of the motor seat plate and connected with a sliding table bottom plate through the sliding columns; the ball screw is connected with an output shaft of the servo motor, a ball nut is arranged on the ball screw, a nut seat sliding block is sleeved on the ball screw through the ball nut, and the bottom of the nut seat sliding block is connected with the connecting pipe; the connecting pipe is hollow, so that a ball screw can conveniently penetrate through the connecting pipe; the connecting pipe movably penetrates through the sliding table bottom plate, and a flange plate is arranged at the bottom of the connecting pipe; the flange plate is connected with the cold water plate through a plurality of locking screws, the heating plate is connected with the cold water plate through heat insulation cotton, and the upper die is arranged at the bottom of the heating plate.
2. The vehicular glass hot-bending machine according to claim 1, wherein the reciprocating pushing mechanism of the vehicular glass hot-bending mold further comprises a guide rod, one end of the guide rod is connected with the rotary cylinder base, the other end of the guide rod movably penetrates through the front wall of the heating cavity to enter the heating cavity through a guide sleeve, and the guide rod is parallel to the rotary rod.
3. The vehicular glass-bending machine according to claim 1, wherein light shielding plates are provided under the fixing plate on both front and rear sides.
4. The vehicular glass-bending machine according to claim 1, wherein the bottom surface of the fixing plate is a mirror surface.
5. The vehicular glass hot bending machine according to claim 1, wherein a plurality of adjustable slide bars abutting against the slide blocks of the nut block are further provided between the motor base plate and the slide table bottom plate, and the slide bars are parallel to each other.
6. The vehicular glass hot bending machine according to claim 1, wherein the flange plate further defines a plurality of screw holes, and screw screws are installed in the screw holes, and bottoms of the screw screws are abutted against the cold water plate.
7. The vehicular glass hot bending machine according to claim 1, wherein a shaft seal is provided at a junction of the connecting pipe and the slide base plate, and the shaft seal is pressed and fixed to an outer ring of the shaft seal by a pressing cover provided on the slide base plate.
8. A control method of a vehicle-mounted glass hot bending machine is characterized by comprising the following steps:
step 1: when a lower die containing a product to be processed is placed in the material placing area, controlling a rotary air cylinder to rotate a material placing area pushing frame, enabling a die pushing plate on the material placing area pushing frame to be parallel to the lower die, and simultaneously opening a gate of the heating cavity;
step 2: the linear ball screw transmission module is controlled to drive the pushing cylinder to the near side of the lower die, and then the pushing cylinder is driven to push the lower die to the position of the heating area;
and step 3: controlling the pushing cylinder and the rotating cylinder to return, driving the pushing cylinder to an initial position by the linear ball screw transmission module, and closing the gate;
and 4, step 4: controlling the heating plate and the heating plate to respectively heat the lower die and the lower die, and starting the halogen lamp tube to irradiate a region to be processed on a product to be processed in the lower die after preset time;
and 5: after heating is finished, the rotary cylinder is controlled to rotate the heating area pushing frame, a die pushing plate on the heating area pushing frame is parallel to the lower die, and the linear ball screw transmission module is driven to push the lower die to the forming area;
step 6: controlling a vehicle-mounted glass hot bending lifting pre-pressing forming mechanism to drive an upper die to quickly fall above a product to be processed, and then slowly reducing the pressure; meanwhile, the product in the lower die is subjected to vacuum negative pressure suction through the heat suction forming mechanism, so that the product is attached to the lower die, and the product is formed under the action of the upper die and the lower die.
9. The method for controlling a vehicular glass-bending machine according to claim 8, further comprising, after step 6:
and 7: after the product is molded and shaped, driving a molding area pushing frame to push the lower die to a heating area, returning a rotary cylinder, resetting the linear ball screw transmission module, and simultaneously carrying out heat preservation, annealing and cooling on the product;
and 8: the rotary cylinder is controlled to rotate, the rotary cylinder is controlled to drive the heating area pushing frame to push the lower die to the material placing area, and the formed product is taken away;
and step 9: the linear ball screw transmission module is reset, and the rotary cylinder returns to finish the material taking action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011399011.3A CN112520988A (en) | 2020-12-02 | 2020-12-02 | Vehicle-mounted glass hot bending machine and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011399011.3A CN112520988A (en) | 2020-12-02 | 2020-12-02 | Vehicle-mounted glass hot bending machine and control method thereof |
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| CN112520988A true CN112520988A (en) | 2021-03-19 |
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| CN202011399011.3A Pending CN112520988A (en) | 2020-12-02 | 2020-12-02 | Vehicle-mounted glass hot bending machine and control method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113896408A (en) * | 2021-11-19 | 2022-01-07 | 芜湖长信科技股份有限公司 | 3D glass hot bending forming equipment and forming method thereof |
| CN113979624A (en) * | 2021-11-05 | 2022-01-28 | 广东南星玻璃有限公司 | Flat-concave integrated glass panel forming structure and forming method thereof |
| CN114436513A (en) * | 2022-02-21 | 2022-05-06 | 广东睿华光电科技有限公司 | Hot bending forming device for vehicle-mounted glass processing and processing method thereof |
| CN115572053A (en) * | 2022-10-10 | 2023-01-06 | 湖北佳玻节能科技有限公司 | Bending forming processing device and processing technology for tempered glass |
| CN117185633A (en) * | 2023-09-13 | 2023-12-08 | 上海皓硕玻璃制品有限公司 | Hot bending device for building glass |
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2020
- 2020-12-02 CN CN202011399011.3A patent/CN112520988A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113979624A (en) * | 2021-11-05 | 2022-01-28 | 广东南星玻璃有限公司 | Flat-concave integrated glass panel forming structure and forming method thereof |
| CN113896408A (en) * | 2021-11-19 | 2022-01-07 | 芜湖长信科技股份有限公司 | 3D glass hot bending forming equipment and forming method thereof |
| CN114436513A (en) * | 2022-02-21 | 2022-05-06 | 广东睿华光电科技有限公司 | Hot bending forming device for vehicle-mounted glass processing and processing method thereof |
| CN114436513B (en) * | 2022-02-21 | 2023-05-23 | 广东睿华光电科技有限公司 | Hot bending forming device for vehicle-mounted glass processing and processing method thereof |
| CN115572053A (en) * | 2022-10-10 | 2023-01-06 | 湖北佳玻节能科技有限公司 | Bending forming processing device and processing technology for tempered glass |
| CN115572053B (en) * | 2022-10-10 | 2024-04-05 | 湖北佳玻节能科技有限公司 | Bending forming processing device and processing technology for toughened glass |
| CN117185633A (en) * | 2023-09-13 | 2023-12-08 | 上海皓硕玻璃制品有限公司 | Hot bending device for building glass |
| CN117185633B (en) * | 2023-09-13 | 2024-03-19 | 上海皓硕玻璃制品有限公司 | Hot bending device for building glass |
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