CN210048652U

CN210048652U - Hot bending machine

Info

Publication number: CN210048652U
Application number: CN201920540277.1U
Authority: CN
Inventors: 陈超; 秦文杰; 董保权
Original assignee: Dongguan Xuan Chi Intelligent Technology Co Ltd
Current assignee: Yibin Xuanchi Intelligent Technology Co ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2020-02-11
Anticipated expiration: 2029-04-19

Abstract

The utility model discloses a hot bending machine, this hot bending machine include master control platform, manipulator and station, the station includes center on the manipulator advances/ejection of compact station that sets gradually, preheats station, shaping station, annealing station and rapid cooling station department all are equipped with the die mould device, the die mould device includes the mould and is used for the drive the mould carries out the first actuating mechanism that opens and shuts, it is right to preheat station department be equipped with and is used for the preheating device that the work piece preheats, shaping station and annealing station department are equipped with respectively and are used for carrying out the heating device that heats to the mould in it. The utility model discloses a hot bender can be high-efficient, stable, low-cost processing production jumbo size 3D curved surface glass.

Description

Hot bending machine

Technical Field

The utility model relates to a hot bending forming technology field, in particular to hot bending machine.

Background

The 3D curved glass is hot-bending glass which is prepared by heating and softening plate glass in a mould, bending and molding under certain pressure and then annealing. With the progress of the industrial level and the improvement of the living standard of people, the application field of 3D curved glass replacing flat glass is more and more. For example, in the field of electronic screens such as smart phones, tablet computers, wearable devices, vehicle-mounted displays and television display screens, 3D curved glass is increasingly widely used. Related molding technologies of small-size curved glass such as a mobile phone screen are nearly mature day by day, related molding technologies of large-size curved glass such as a vehicle-mounted display screen are not mature, related processing equipment is still in a research and development stage, and large-scale mass production is not achieved.

At present, for the hot bending industry, the 3D curved surface of large-size glass is more complicated and changeable than that of small-size glass, and the glass original piece is easy to break due to stress or uneven heating in the hot bending process, so that the large-size glass is not easy to process efficiently, stably and at low cost. The development of hot bending equipment suitable for forming large-size glass is a future development trend of the hot bending industry.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hot bending machine aims at solving the problem that the processing production jumbo size 3D curved surface glass that current hot bending processing equipment can't be high-efficient, stable, low-cost.

For realizing above-mentioned mesh, the utility model provides a hot bending machine should hot bending machine includes master control platform, manipulator and station, the station includes around the manipulator advances/ejection of compact station, preheats station, shaping station, annealing station and rapid cooling station that set gradually, shaping station, annealing station and rapid cooling station department all are equipped with the die mould device, the die mould device includes the mould and is used for the drive the mould carries out the first actuating mechanism that opens and shuts, it is equipped with to be used for right to preheat station department the work piece carries out the preheating device who preheats, shaping station and annealing station department are equipped with respectively and are used for carrying out the heating device who heats the mould in it.

Preferably, the hot bending machine further comprises a working box which is arranged corresponding to each station one by one, the stations are located in the working box, and a taking and placing opening and a movable door which is arranged corresponding to the taking and placing opening are arranged on the vertical side surface of the working box; and air knives are arranged at the positions of the taking and placing openings of the working box corresponding to the forming station, the annealing station and the quenching station.

Preferably, the hot bending machine further comprises a top cover connected with each work box and located above the manipulator and a base located below the manipulator, and the top cover, the base and the work boxes enclose to form a closed hot bending space.

Preferably, the preheating device comprises a workpiece placing table located in the work box, an installation frame located above the workpiece placing table, a plurality of heating tubes arranged on the installation frame, and a second driving mechanism for driving the installation frame to move towards or away from the workpiece placing table.

Preferably, the mould includes mould and lower mould, heating device is including setting up respectively go up the dorsal first hot plate of mould and setting up and be in the dorsal second hot plate of lower mould, shaping station and annealing station department are equipped with the connection respectively first actuating mechanism with go up the mounting panel between the mould, first hot plate is located go up between mould and the mounting panel, first actuating mechanism includes the follow the top of work box penetrate and one end with the fixed first guide bar of mounting panel, with the fixed sharp drive module of the other end of first guide bar, be equipped with on the first guide bar along the long cooling water route that distributes of its pole, respectively with the water inlet and the delivery port of cooling water route intercommunication.

Preferably, a cold water plate which can be in contact with the second heating plate is arranged in a movable space defined between the second heating plate and the bottom of the working box, a water cavity, a water inlet column and a water outlet column which are respectively communicated with the water cavity are arranged on the cold water plate, and the cold water plate is connected with a third driving mechanism arranged on the outer side of the bottom of the working box so as to move up and down in a reciprocating manner under the driving of the third driving mechanism; or, be equipped with in the activity space of injecing between the second hot plate with the bottom of work box can with the energy-conserving board of second hot plate contact and be located energy-conserving board below and can with the cold water board of energy-conserving board contact, be equipped with the water cavity on the cold water board, respectively with the post of intaking and the play water column of water cavity intercommunication, the cold water board with set up and be in the third actuating mechanism in the bottom outside of work box is connected with reciprocating motion about under the drive of third actuating mechanism.

Preferably, the first heating plate and the second heating plate are divided into a plurality of independently heated parts, and each part of the second heating plate is correspondingly provided with the cold water plate and a third driving mechanism; or the first heating plate and the second heating plate are divided into a plurality of parts for independent heating, and each part of the second heating plate is correspondingly provided with the cold water plate, the energy-saving plate and the third driving mechanism.

Preferably, the preheating means and the heating means are powered by a power regulator SCR.

Preferably, the manipulator comprises a mechanical arm, a T-shaped frame connected with the mechanical arm and two X-axis moving frames respectively sleeved at two opposite free ends of the T-shaped frame, and the X-axis moving frames are sleeved with two Y-axis moving members and a suction assembly positioned on the Y-axis moving members; the suction assembly comprises a cylinder body fixedly connected with a Y-axis moving member, a suction rod and a spring, wherein the suction rod and the spring are arranged on the cylinder body in a sleeved mode, a first clamp spring and a second clamp spring are arranged on the suction rod in an up-and-down opposite mode, the cylinder body is located between the first clamp spring and the second clamp spring, the spring is located between the cylinder body and the second clamp spring, the suction rod is provided with an air passage along the direction of a self rod body, one end of the suction rod is connected with a sucker communicated with the air passage, the other end of the suction rod is connected with a first air pipe communicated with the air passage, the cylinder body is located, the vertical direction of the suction rod is provided with an inner cavity and a butt joint in a top plug of the cavity wall of the inner cavity, and the.

The beneficial effects of the utility model reside in that: the hot bending machine is used for carrying out hot bending forming processing on workpieces such as large-size glass and the like, wherein the feeding/discharging station, the preheating station, the forming station, the annealing station and the quenching station are sequentially arranged around the mechanical arm to form an annular layout. The manipulator transports the work piece between each station according to manufacturing procedure, wherein includes: transferring a workpiece to a preheating station from an inlet/outlet station, preheating the workpiece by a preheating device, transferring the workpiece to a forming station from the preheating station, heating and forming the workpiece by a profiling device on the forming station, transferring the workpiece to an annealing station from the forming station, cooling and shaping the workpiece by the profiling device on the annealing station, transferring the workpiece to a quenching station from the annealing station, cooling the workpiece by the profiling device on the quenching station, and transferring the workpiece to the inlet/outlet station from the quenching station to obtain a hot-bent formed workpiece. The manipulator transfers the workpiece to complete the process turnover, the operation is stable and the working efficiency is high; the die is not moved, and the workpiece moves among the processing stations and completes corresponding processing, so that the consistency and stability of the product are ensured, and the energy consumption is saved; and the number of used moulds is small, and the manufacturing cost and the running cost are low. In addition, the operation of each part in the hot bending machine is controlled through the main control console, the central control is realized, the intelligent degree is high, and the hot bending machine can process and produce large-size 3D curved glass efficiently, stably and at low cost.

Drawings

Fig. 1 is a schematic structural view of a hot bending machine according to an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the hot bender of FIG. 1;

FIG. 3 is a schematic structural view of a work box of the hot bending machine of FIG. 1;

FIG. 4 is a schematic diagram of a preheat station of the hot bender of FIG. 1;

FIG. 5 is a schematic diagram of the forming station (annealing station) of the hot bender of FIG. 1;

FIG. 6 is a schematic structural view of the first guide bar of FIG. 5;

FIG. 7 is a schematic view of a portion of the forming station (annealing station) of the hot bender of FIG. 5;

FIG. 8 is a schematic structural view of a robot of the hot bender of FIG. 1;

figure 9 is a schematic view of a portion of the robot of figure 8;

FIG. 10 is an enlarged view of a portion of FIG. 8 at A;

fig. 11 is a partial schematic structural view of the robot of fig. 8.

Detailed Description

In the following, the embodiments of the present invention will be described in detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a hot bending machine, as shown in fig. 1 and fig. 2, this hot bending machine includes main control console 100, manipulator 200 and station, the station includes the advance/ejection of compact station 11 that sets gradually around manipulator 200, preheat station 12, shaping station 13, annealing station 14 and rapid cooling station 15 department all are equipped with die mould device 300, die mould device 300 includes mould 310 and is used for driving mould 310 to carry out the first actuating mechanism 320 that opens and shuts, preheat station 12 department and be equipped with and be used for carrying out the preheating device 400 who preheats the work piece, shaping station 13 and the punishment of annealing station 14 do not are equipped with and are used for carrying out the heating device 500 that heats to mould 310 in it.

In this embodiment, as shown in fig. 2, the hot bending machine may be used to process and produce large-sized 3D curved glass, the material inlet/outlet station 11, the preheating station 12, the forming station 13, the annealing station 14, and the quenching station 15 are sequentially arranged around the robot 200 and are in an annular layout, the robot 200 transfers workpieces between stations according to a processing procedure, the efficiency is high, the stability is high, the robot 200 may include a multi-axis robot arm, a fixing frame disposed at a free end of the multi-axis robot arm, and a plurality of suction cups disposed on the fixing frame, and the plurality of suction cups cooperate to suck the workpieces. The workpiece is grabbed to the feeding/discharging station 11 manually or through other mechanical arms, the feeding/discharging station 11 is used for temporarily placing an unprocessed workpiece, a positioning device can be arranged on the feeding/discharging station 11 to accurately position the workpiece, the position of the workpiece taken and placed by the mechanical arm 200 is accurate, and the workpiece forming precision is improved. The positioning device can be a clamping jig, the clamping jig comprises a positioning base plate and a positioning block, a plurality of positioning holes which are arranged in a matrix mode are formed in the positioning base plate, two positioning pins matched with the positioning holes are arranged at the bottom of the positioning block, the two positioning pins are respectively inserted into the two positioning holes, a workpiece is located on the positioning base plate, and the workpiece located on the positioning base plate is limited through the positioning pins. Besides the manner of arranging the positioning device on the feeding/discharging station 11, the CCD vision system can be matched with the mechanical arm 200 for accurate positioning.

The preheating station 12 is the next station of the feeding/discharging station 11, a preheating device 400 is arranged at the preheating station 12, and the preheating device 400 can be a connecting frame and a heating net arranged on the connecting frame. The manipulator 200 transfers the workpiece from the feeding/discharging station 11 to the preheating station 12, and the heating net is close to the surface of the workpiece and preheats the workpiece, so that the workpiece is prevented from being damaged due to rapid heating.

The forming station 13 is the next station of the preheating station 12, the forming station 13 is provided with a profiling device 300 and a heating device 500, the profiling device 300 includes a mold 310 and a first driving mechanism 320 for driving the mold 310 to open and close, the mold 310 includes an upper mold and a lower mold, the lower mold is fixed on the forming station 13, the first driving mechanism 320 is used for outputting linear motion to drive the mold 310 to open and close, for example, the first driving mechanism 320 may be a driving cylinder, a piston rod of the driving cylinder is connected with the upper mold, and a cylinder body of the driving cylinder is fixed at the forming station 13. The heating device 500 is two heating plates respectively attached to the upper mold and the lower mold, and a plurality of heating pipes are arranged in the heating plates, and the heating plates can heat the upper mold and the lower mold. At shaping station 13 department, the work piece transports to the lower mould through manipulator 200 on, drives actuating cylinder drive and goes up the mould and laminate many times with the lower mould and relapse the die mould to the work piece, guarantees the work piece shaping size. The upper die and the lower die conduct heat to the workpiece through heating of the heating plate, so that the workpiece quickly reaches the profiling temperature to accelerate forming of the workpiece, machining time is shortened, and machining efficiency is improved.

The annealing station 14 is next to the forming station 13, the profiling device 300 and the heating device 500 are arranged at the annealing station 14, and the profiling device 300, the heating device 500 and the profiling device 300 and the heating device 500 arranged at the forming station 13 are connected in the same manner in structure and arrangement. At annealing station 14 department, the work piece passes through manipulator 200 and transports to the lower mould on, drives actuating cylinder drive and goes up mould and lower mould and laminate many times and relapse the die mould to the work piece, guarantees the work piece size. The upper die and the lower die conduct heat to the workpiece through heating of the heating plate, and the temperature of the workpiece heated on the annealing station 14 is reduced compared with the profiling temperature of the forming station 13, so that the workpiece is shaped.

The quenching station 15 is next to the annealing station 14, and the quenching station 15 is provided with a profiling device 300, and the profiling device 300 is the same as the profiling device 300 arranged at the forming station 13. At the position of the quenching station 15, the workpiece is transferred to the lower die through the mechanical arm 200, the driving cylinder drives the upper die and the lower die to be attached for multiple times to repeatedly press the workpiece, and the upper die and the lower die absorb the heat of the workpiece together to cool the workpiece. And low-temperature inert gas is filled in the sealed processing space to absorb heat so as to accelerate the cooling of the upper die 311, the lower die 312 and the workpiece, thereby saving the cooling time of the workpiece and improving the working efficiency.

The material inlet/outlet station 11 is next to the quenching station 15, and the material inlet/outlet station 11 can also be used for temporarily placing the hot-bent workpiece. The robot 200 transfers the workpiece from the quenching station 15 to the in/out station 11 and then removes the formed workpiece from the in/out station 11 by a human or other robot. The feeding and the discharging use the same station, so that the integral structure of the equipment is simplified, and the production operation and the subsequent automatic rapid introduction are facilitated.

As shown in fig. 2, the main console 100 is located between the feeding/discharging station 11 and the preheating station 12, the main console 100 includes an industrial personal computer and an operation panel connected with the industrial personal computer, the industrial personal computer can detect and control the hot bending process and electromechanical devices and process equipment in the hot bending machine, and the operation panel can be used for human-computer interaction between an operator and the hot bending machine, so as to control the operation of each part of the hot bending machine and realize intelligent operation.

In the hot bending machine, workpieces are processed in a corresponding process at an inlet/outlet station 11, a preheating station 12, a forming station 13, an annealing station 14 and a quenching station 15, so that the processing efficiency and the yield of products can be improved. The die 310 is fixed at the stations, and workpieces are transferred to the stations for processing through the manipulator 200, so that the consistency and stability of products are guaranteed, and energy consumption can be saved; in addition, the number of the provided molds 310 is small, and the manufacturing cost and the running cost are low. The hot bending machine can process large-size 3D curved glass by the integral structural layout, the composition of various electromechanical devices and process equipment and an intelligent operating system, and has the remarkable advantages of high production efficiency, good production quality, low running cost and the like.

In a preferred embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 3, the hot bending machine further includes a work box 600 disposed corresponding to each station, the station is located in the work box 600, and a pick-and-place opening and a movable door 1 disposed corresponding to the pick-and-place opening are disposed on a vertical side surface of the work box 600; air knives (not shown) are arranged at the taking and placing openings of the working box 600 corresponding to the forming station 13, the annealing station 14 and the rapid cooling station 15.

In this embodiment, the feeding/discharging station 11, the preheating station 12, the forming station 13, the annealing station 14, and the quenching station 15 are provided with work boxes 600 correspondingly, that is, the hot bending machine further includes a feeding/discharging box, a preheating box, a forming box, an annealing box, and a quenching box, and the work boxes 600 are in an annular layout and are connected in sequence. The stations are all located in the work box 600, and the vertical side of the work box 600 is provided with a pick-and-place port, such as an inner pick-and-place port arranged towards the manipulator 200, or an outer pick-and-place port arranged opposite to the direction of the inner pick-and-place port on the work box 600 corresponding to the feeding/discharging station 11. As shown in fig. 3, the work box 600 is further provided with a movable door 1, the work box 600 is provided with two limiting grooves at the position of the pick-and-place port, the two limiting grooves are arranged on the work box 600 and located at the left and right sides of the pick-and-place port, the two opposite ends of the movable door 1 are respectively provided with a limiting block to be in sliding fit with the limiting grooves, and the movable door 1 can slide up and down on the work box 600. The movable door 1 is driven by the first air cylinder 2 to move up and down on the working box 600, the cylinder body of the first air cylinder 2 is fixed on the working box 600, and the piston rod of the first air cylinder 2 is connected with the movable door 1. The movable door 1 is matched with the working box 600 to cover the taking and placing opening to form a sealed working space, and the sealed working space is filled with inert gas to fully protect the mould 310 and high-temperature parts in the working box 600, so that oxidation is not easy to occur, and the processing environment is optimized. Among them, the inert gas is preferably argon. Air knives are arranged at the positions of the working box 600 corresponding to the forming station 13, the annealing station 14 and the quenching station 15, so that the convection of the gas inside and outside the working box 600 can be prevented, the loss of heat can be reduced, and the processing temperature in the working box 600 can be ensured; and external dust impurities can be effectively prevented from entering the working box 600, so that the dust impurities are prevented from falling onto the die 310 or the workpiece to influence the processing quality. In addition, a camera (not shown in the figure) can be arranged inside and outside the work box 600 to feed back the operation condition of the equipment to the main console 100 in real time, so that the intelligent degree is improved.

In a preferred embodiment of the present invention, as shown in fig. 1 and 2, the thermal bending machine further includes a top cover 700 connected to each work box 600 and located above the robot 200, and a base 800 located below the robot, wherein the top cover 700, the base 800 and the work box 600 enclose and form a closed thermal bending space.

In this embodiment, the robot 200 is positioned between the top case 700 and the base 800, and the base 800 includes a base 810 and an annular cover 820 disposed around the base. The robot 200 is mounted on the bottom table 810 of the base 800, the annular cover 820 of the base 800 is connected with each work box 600, the top cover 700 is connected with the upper end of each work box 600, and the top cover 700, the base 800 and the plurality of work boxes 600 enclose to form a closed hot bending space, so that a good hot bending processing environment is provided for the robot 200, each processing device and a workpiece. The hot bending space comprises an operation space where the manipulator 200 is located and working spaces in the five working boxes 600, wherein the operation space where the manipulator 200 is located can be filled with inert gas to protect the manipulator 200 from being oxidized easily, and the service life of the manipulator 200 is prolonged. And a side cover can be connected between two adjacent work boxes 600, so that the hot bending space is further protected.

In a preferred embodiment of the present invention, as shown in fig. 4, the preheating device 400 includes a workpiece placing table 410 located in the work box 600, a mounting frame 420 located above the workpiece placing table 410, a plurality of heating tubes 430 disposed on the mounting frame 420, and a second driving mechanism 440 for driving the mounting frame 420 to move toward or away from the workpiece placing table 410.

As shown in fig. 4, in the present embodiment, the preheating device 400 is used for preheating a workpiece, wherein the workpiece placing table 410 can be a high temperature resistant plate for placing the workpiece to be preheated, the mounting frame 420 is a rectangular frame located above the workpiece placing table 410, and a plurality of heating tubes 430 are sequentially arranged and fixed on the mounting frame 420, so as to heat the workpiece in a large area. Moreover, a preset distance is formed between any two adjacent heat-emitting pipes 430, so that heat dissipation is uniform. The second driving mechanism 440 is configured to drive the mounting frame 420 to move toward or away from the workpiece placing table 410, and the second driving mechanism 440 includes a second cylinder 441, a second fixing plate 442, a second guide sleeve 443, and a second guide rod 444 disposed in the second guide sleeve. The second guide sleeve 443 is fixed on the top of the work box 600, a guide hole is formed in the work box 600 corresponding to the second guide sleeve 443, the second guide rod 444 is inserted into the second guide sleeve 443 and the guide hole and can slide up and down in the second guide sleeve 443 and the guide hole, the lower end of the second guide rod 444 is connected with the mounting frame 420, and the upper end of the second guide rod 444 is connected with the second fixing plate 442. The second fixing plate 442 is a rectangular plate, and the number of the second guide rods 444 is four and is distributed at four corners of the second fixing plate 442. The second cylinder 441 and the second fixing plate 442 are both located above the working box 600, one end of the second cylinder 441, which extends out of the piston rod, is fixedly connected to the second fixing plate 442, and the piston rod of the second cylinder 441 is connected to a piston rod fixing seat mounted on the top of the working box 600. The operation principle of the preheating device 400 for preheating the workpiece is as follows: when the workpiece on the workpiece placing table 410 needs to be preheated, the second air cylinder 441 is started, the piston rod of the second air cylinder 441 retracts to reversely drive the cylinder body to move downwards, and meanwhile, the second fixing plate 442, the second guide rod 444 and the mounting frame 420 are driven to move downwards towards the workpiece placing table 410, so that the heating tube 430 is close to the workpiece to transfer heat to preheat the workpiece; after preheating, the second cylinder 441 is started, the piston rod of the second cylinder 441 extends out to reversely push the cylinder body to move upwards, and meanwhile, the second fixing plate 442, the second guide rod 444 and the mounting frame 420 are driven to move upwards away from the workpiece placing table 410, so that the heating tube 430 is far away from the workpiece. In the preheating process, only the heating tube 430 corresponding to the position of the workpiece needing profiling is opened to locally preheat the workpiece, so that the energy consumption is saved while the subsequent profiling quality is ensured. In addition, still be fixed with high temperature resistant threading pipe on this installing frame 420, the threading pipe runs through the work box 600 roof and can reciprocate along with installing frame 420, and this threading pipe is used for wearing the electric wire of being connected between heating tube 430 and the outside other subassemblies of work box 600 to carry out the line protection.

In a preferred embodiment of the present invention, as shown in fig. 5 and 6, the mold 310 includes an upper mold 311 and a lower mold 312, the heating device 500 includes a first heating plate 510 disposed on the back side of the upper mold 311 and a second heating plate 520 disposed on the back side of the lower mold 312, the forming station 13 and the annealing station 14 are respectively disposed with a mounting plate 3 connected between the first driving mechanism 320 and the upper mold 311, the first heating plate 510 is disposed between the upper mold 311 and the mounting plate 3, the first driving mechanism 320 includes a first guiding rod 321 penetrating from the top of the working box and having one end fixed to the mounting plate, a linear driving module fixed to the other end of the first guiding rod 321, the first guiding rod 321 is provided with a cooling water path 20 distributed along the rod length thereof, and a water inlet 321a and a water outlet 321b respectively communicated with the cooling water path.

In this embodiment, as shown in fig. 5, the mold 310 is used for profiling a workpiece, the mold 310 includes an upper mold 311 and a lower mold 312 which are disposed opposite to each other, and front sides of the upper mold 311 and the lower mold 312 respectively provide profiling surfaces profiling the workpiece. The back side of the lower mold 312 is provided with a second heating plate 520, the second heating plate 520 is used to heat the lower mold 312, and the second heating plate 520 may be installed at the bottom of the work box. The back side of the upper mold 311 is provided with a first heating plate 510, and the first heating plate 510 is used to heat the upper mold 311. The upper die 311 and the lower die 312 are respectively heated by the first heating plate 510 and the second heating plate 520, so that heat can be conducted on the workpiece, the forming speed of the workpiece is increased, and the processing time is saved. Go up mould 311 and be connected with mounting panel 3, the relative both sides of mounting panel 3 are provided with the pendant respectively, and the upper end of pendant passes mounting panel 3 and locks through the screw, and mould 311 is gone up in hanging by the lower extreme of pendant, and first hot plate 510 is located between last mould 311 and the mounting panel 3. The first driving mechanism 320 is used for driving the upper die 311 to move up and down, so that the upper die 311 is attached to or separated from the lower die 312 to realize opening and closing of the die. The linear driving module of the first driving mechanism 320 includes a screw 322, a first fixing plate 323, and a motor 324, the screw 322 is fixed on the top of the operating box 600 through a screw mounting seat, one end of a screw of the screw 322 is connected to an output shaft of the motor 324, and a nut of the screw 322 is connected to the first fixing plate 323 through a nut connecting block. The first guide rod 321 penetrates from the upper part of the work box 600, the upper end of the first guide rod 321 is fixedly connected with the first fixing plate 323, the lower end of the first guide rod 321 is fixedly connected with the mounting plate 3, and the work box 600 is further provided with a first guide sleeve 325 in sliding fit with the first guide rod 321. The motor 324 is started to drive the screw 322 to operate, so as to drive the first fixing plate 323, the first guide rod 321, the mounting plate 3 and the upper die 311 to move up and down, and the opening and closing of the die 310 are stable and accurate. The motor 324 is a servo motor, the lower pressure degree can be controlled, a high-precision pressure sensor can be installed between the upper die 311 and the lower die 312, and the lower pressure degree and the pressing position can be accurately controlled when the upper die 311 and the lower die 312 are attached to ensure the quality of workpieces. As shown in fig. 6, the first guide rod 321 has a cooling water path 20 therein, the cooling water path 20 is distributed along the rod length of the first guide rod 321, and includes a first water path 21 and a second water path 22 disposed around the first water path 21, and the first water path 21 and the second water path 22 communicate with each other near the lower end of the first guide rod 321. The water inlet 321a is communicated with the first water channel 21, the water outlet 321b is communicated with the second water channel 22, and the water inlet 321a and the water outlet 321b are both positioned at the upper end of the first guide rod 321 and are respectively connected with the water pipe. Cold water flows in from the water inlet 321a, sequentially passes through the first water path 21 and the second water path 22, and flows out from the water outlet 321b, most of heat on the first guide rod 321 can be taken away, the first guide rod 321 is guaranteed to be not prone to thermal deformation in a high-temperature area in the working box 600, and the service life is prolonged.

In a preferred embodiment of the present invention, as shown in fig. 7, a cold water plate 4 capable of contacting with the second heating plate 520 is disposed in an activity space defined between the second heating plate 520 and the bottom of the working box 600, the cold water plate 4 is provided with a water cavity, a water inlet column and a water outlet column respectively communicated with the water cavity, the cold water plate 4 is connected to a third driving mechanism 900 disposed at the outer side of the bottom of the working box 600 to reciprocate up and down under the driving of the third driving mechanism 900; or, an energy-saving plate 5 which can be in contact with the second heating plate 520 and a cold water plate 4 which is located below the energy-saving plate 5 and can be in contact with the energy-saving plate 5 are arranged in an activity space defined between the second heating plate 520 and the bottom of the working box 600, a water cavity, a water inlet column and a water outlet column which are respectively communicated with the water cavity are arranged on the cold water plate 4, and the cold water plate 4 is connected with a third driving mechanism 900 which is arranged on the outer side of the bottom of the working box 600 so as to move up and down in a reciprocating manner under the driving of the third driving mechanism 900.

As shown in fig. 7, in this embodiment, a cold water plate 4 is disposed in an activity space defined between the second heating plate 520 and the bottom of the work box 600, the bottom of the work box 600 has a plurality of guide connection posts 6 for supporting the second heating plate 520, and the cold water plate 4 is sleeved on the plurality of guide connection posts 6. The cold water plate 4 is internally provided with a water cavity and externally provided with a water inlet column and a water outlet column which are communicated with the water cavity, and the bottom of the working box 600 is provided with a through hole through which the water inlet column and the water outlet column penetrate. The water inlet column and the water outlet column can be connected with the water pipe in a normal temperature environment, and cold water flows in from the water inlet column and flows out from the water outlet column after passing through the water cavity. The third driving mechanism 800 is disposed at the outer side of the bottom of the working box 600, the third driving mechanism 900 includes a third cylinder 910 fixed at the outer side of the bottom of the working box 600, a third fixing plate 920 connected to a piston rod of the third cylinder 910, and a plurality of connecting rods 930 having one end connected to the third fixing plate 920, and the other end of the connecting rods 930 is connected to the cold water plate 4. When the second heating plate 520 needs to be cooled, the piston rod of the third cylinder 910 drives the third fixing plate 920, the connecting rod 930 and the cold water plate 4 to move upwards until the cold water plate 4 is tightly attached to the second heating plate 520, and the cold water plate 4 can absorb the heat of the second heating plate 520, so that the cooling effect is achieved; when the second heating plate 520 does not need to be cooled down, the piston rod of the third cylinder 910 drives the third fixing plate 920, the connecting rod 930 and the cold water plate 4 to move downward so that the cold water plate 4 is away from the second heating plate 520.

Or, an energy-saving plate 5 and a cold water plate 4 which is located below the energy-saving plate 5 and can be in contact with the energy-saving plate 5 are arranged in a movable space defined between the second heating plate 520 and the bottom of the work box 600, the bottom of the work box 600 is provided with a plurality of guide connecting columns 6 for supporting the second heating plate 520, the guide connecting columns 6 can be in a circular truncated cone shape, the larger end of each guide connecting column 6 is connected with the bottom of the work box 600, and the smaller end of each guide connecting column is connected with the second heating plate 520. The energy-saving plate 5 and the cold water plate 4 are sleeved on the plurality of guide connecting columns 6, and the sliding holes of the energy-saving plate 5 matched with the guide connecting columns 6 are smaller than the sliding holes of the cold water plate 4 matched with the guide connecting columns 6. The cold water plate 4 is internally provided with a water cavity and externally provided with a water inlet column and a water outlet column which are communicated with the water cavity, and the bottom of the working box 600 is provided with a through hole through which the water inlet column and the water outlet column penetrate. The water inlet column and the water outlet column can be connected with the water pipe in a normal temperature environment, and cold water flows in from the water inlet column and flows out from the water outlet column after passing through the water cavity. The third driving mechanism 900 is disposed at the outer side of the bottom of the working box 600, the third driving mechanism 900 includes a third cylinder 910 fixed at the outer side of the bottom of the working box 600, a third fixing plate 920 connected to a piston rod of the third cylinder 910, and a plurality of connecting rods 930 having one end connected to the third fixing plate 920, and the other end of the connecting rods 930 is connected to the cold water plate 4. When the second heating plate 520 needs to be cooled, the piston rod of the third cylinder 910 drives the third fixing plate 920, the connecting rod 930 and the cold water plate 4 to move upwards until the cold water plate 4, the energy-saving plate 5 and the second heating plate 520 are attached tightly in sequence, and the cold water plate 4 can absorb the heat transferred from the second heating plate 520 to the energy-saving plate 5, so that the cooling effect is achieved; after the second heating plate 520 is cooled, the piston rod of the third cylinder 910 drives the third fixing plate 920, the connecting rod 930 and the cold water plate 4 to move downward until the second heating plate 520, the energy-saving plate 5 and the cold water plate 4 are separated in sequence, the energy-saving plate 5 is located between the second heating plate 520 and the cold water plate 4 and is clamped on the guide connecting column 6 to be in a suspension state, and the energy-saving plate 5 can block a part of heat of the second heating plate 520 from being transferred to the cold water plate 4, so that an energy-saving effect is achieved. Besides the guide connecting column 6 in the shape of a circular truncated cone, the guide connecting column 6 in the shape of a cylinder can be adopted, and two springs respectively positioned between the second heating plate 520 and the energy-saving plate 5 and between the energy-saving plate 5 and the cold water plate 4 are sleeved on the guide connecting column 6, so that the energy-saving plate 5 is in a suspension state between the second heating plate 520 and the cold water plate 4.

In a preferred embodiment of the present invention, as shown in fig. 5 and 7, the first heating plate 510 and the second heating plate 520 are divided into a plurality of independently heated portions, and each portion of the second heating plate 520 is correspondingly provided with the cold water plate 4 and the third driving mechanism 900; alternatively, the first heating plate 510 and the second heating plate 520 are divided into a plurality of independently heated parts, and each part of the second heating plate 520 is provided with the cold water plate 4, the energy saving plate 5 and the third driving mechanism 900, respectively.

In this embodiment, the first heating plate 510 is divided into a plurality of portions corresponding to different areas of the upper mold 311, as shown in fig. 7, the second heating plate 520 is divided into a plurality of portions corresponding to different areas of the lower mold 312, that is, the areas of the upper mold 311 and the lower mold 312 can be heated, so as to realize the segmented control of the heating of the upper mold 311 and the lower mold 312. And heating can be performed at fixed points, so that the upper die 311 and the lower die 312 are locally high in temperature to heat the deformed portion of the workpiece, thereby saving energy consumption. In addition, each part of the second heating plate 520 is correspondingly provided with the cold water plate 4 and the third driving mechanism 900, so that the plurality of parts of the second heating plate 520 are respectively cooled, the temperature difference is artificially controlled, and the forming quality is ensured.

Alternatively, the first heating plate 510 is divided into a plurality of portions corresponding to different areas of the upper mold 311, and as shown in fig. 7, the second heating plate 520 is divided into a plurality of portions corresponding to different areas of the lower mold 312, that is, the areas of the upper mold 311 and the lower mold 312 can be heated, so that the heating of the upper mold 311 and the lower mold 312 can be controlled in a segmented manner. And heating can be performed at fixed points, so that the upper die 311 and the lower die 312 are locally high in temperature to heat the deformed portion of the workpiece, thereby saving energy consumption. In addition, each part of the second heating plate 520 is correspondingly provided with a cold water plate 4, an energy-saving plate 5 and a third driving mechanism 900, so that the plurality of parts of the second heating plate 520 are respectively cooled, the temperature difference is artificially controlled, and the molding quality is ensured.

In a preferred embodiment of the present invention, the preheating device 400 and the heating device 500 are powered by a power regulator SCR (not shown).

In this embodiment, the preheating device 400 and the heating device 500 adjust the heating power by adjusting the output current of the power regulator SCR, thereby controlling the heating temperature. The commonly used SSR is of an on/off type, and can automatically cut off power when the temperature is too high, and can be powered on at full power when the temperature is too low, thereby easily affecting the service life of the heating components of the preheating device 400 and the heating device 500. The power regulator SCR may extend the service life of the heating components of the preheating device 400 and the heating device 500 compared to the solid state relay SSR.

In a preferred embodiment of the present invention, as shown in fig. 8 to 11, the manipulator 200 includes a mechanical arm 210, a T-shaped frame 220 connected to the mechanical arm 210, and two X-axis moving frames 230 respectively sleeved on two opposite free ends of the T-shaped frame 220, wherein two Y-axis moving members 240 and a sucking assembly 250 located on the Y-axis moving members 240 are sleeved on the X-axis moving frames 230; the suction assembly 250 comprises a cylinder body 251 fixedly connected with the Y-axis moving 240 pieces, a suction rod 252 penetrating through the cylinder body 251 along the Z-axis direction and a spring 253 sleeved on the suction rod 252, a first clamp spring 254 and a second clamp spring 255 are oppositely arranged on the suction rod 252 up and down, the cylinder body 251 is located between the first clamp spring 254 and the second clamp spring 255, the spring 253 is located between the cylinder body 251 and the second clamp spring 255, the suction rod 252 is provided with an air passage along the self rod body direction, one end of the suction rod 252 is connected with a suction cup 256 communicated with the air passage, the other end of the suction rod 252 is connected with a first air pipe 257 communicated with the air passage, the cylinder body 251 is provided with an inner cavity and a top plug 258 abutted against the cavity wall of the inner cavity along the vertical direction of the suction rod 252.

In this embodiment, as shown in fig. 8, the mechanical arm 210 is a multi-axis mechanical arm, a rotating shaft 211 is disposed at a free end of the mechanical arm 210, the T-shaped frame 220 is connected to the rotating shaft 211 and can rotate around an axis thereof along with the rotating shaft 211, and the mechanical arm 210 can drive the T-shaped frame 220 to move in multiple directions, so that the operation is efficient and stable.

As shown in fig. 9 and 10, the T-shaped frame 220 includes a first connection rod 221 and a second connection rod 222, one end of the first connection rod 221 is connected to the rotation shaft 211 of the robot arm 210, and the other end is positioned at the center of the second connection rod 222 and is vertically connected to the second connection rod 222. The central position of the X-axis moving frame 230 is provided with a U-shaped groove matched with the second connecting rod 222, the two X-axis moving frames 230 are sleeved on the second connecting rod 222 through the U-shaped groove and are positioned at two sides of the first connecting rod 221, the X-axis moving frame 230 is provided with a first straight plate 231 and a bending plate 232 at the opening of the U-shaped groove, the first straight plate 231 is provided with a first through hole and a first nut 233 butted with the first through hole, the bending plate is provided with a second through hole butted with the first through hole, a first screw sequentially passes through the second through hole and the first through hole and is in threaded fit with the first nut 233 to connect and fix the bending plate 232 and the first straight plate 231, so that the bending plate 232 abuts against the T-shaped frame 220, thereby fixing the X-axis moving frame 230.

As shown in fig. 9 and 10, the Y-axis moving member 240 includes a second straight plate 241 and an L-shaped connecting plate 242, one end of the second straight plate 241 is connected to the suction assembly 250, and the other end is provided with a second nut on which a pad 243 is disposed. One end of the L-shaped connecting plate 242 is connected to the suction assembly 250, and the other end is provided with a third through hole in butt joint with the second nut. The X-axis moving frame 230 is located in a groove formed by the second straight plate 241 and the L-shaped connecting plate 242, and a second screw passes through the third through hole to be in threaded fit with a second nut, so that the second straight plate 241 and the L-shaped connecting plate 242 are connected and fixed, so that the backing plate 243 abuts against the X-axis moving frame 230, and the Y-axis moving member 240 is fixed. The Y-axis moving member 240 is fixedly provided with a suction assembly 250, and the suction assembly 250 is used for sucking the workpiece. The positions of the suction assemblies 250 can be changed by moving the X-axis moving frame 230 and the Y-axis moving member 240, and the suction assemblies can be positioned at will, and are suitable for sucking large-sized workpieces.

As shown in fig. 10 and 11, the upper and lower ends of the cylinder 251 of the suction assembly 250 are fixedly connected to the L-shaped connection plate 242 and the second straight plate 241 of the Y-axis moving member 240 by screws, respectively, a hole for passing the suction rod 252 is formed in the cylinder 251 along the Z-axis direction, and the suction rod 252 can move up and down on the cylinder 251. The sucker 256 is made of a high-temperature-resistant flexible material, can suck a high-temperature workpiece, and does not leave suction marks on the workpiece. The first air pipe 257, the air passage of the suction rod and the suction cup 256 are sequentially communicated, vacuum is extracted or broken through the first air pipe 257, and the suction cup 256 can suck or put down a workpiece. The suction rod 252 is sleeved with a spring 253, a first clamp spring 254 and a second clamp spring 255 are oppositely arranged up and down, and the first clamp spring 254 and the second clamp spring 55 are used for limiting the spring 253 and the suction rod 252. The top plug 258 abuts against the cavity wall of the inner cavity of the cylinder 251 and can freely move in the inner cavity, the second air pipe 259 is communicated with the inner cavity of the cylinder 251, the second air pipe 259 extracts vacuum to enable the top plug 258 to be far away from the suction rod 252, and the suction rod 252 can smoothly move up and down; the second air tube 259 breaks the vacuum so that the top plug 258 pushes against the suction rod 252, thereby immobilizing the suction rod 252. The working principle of the manipulator 200 for sucking the workpiece is as follows: the mechanical arm 210 drives the T-shaped frame 220, the X-axis moving frame 230, the Y-axis moving member 240 and the suction assembly 250 to move downward, the suction cup 256 contacts the surface of the workpiece, the spring 253 is compressed, and the mechanical arm 210 stops operating until the cylinder 251 is located at a preset height above the suction cup 256. At this time, the second air tube 259 is opened to break the vacuum so that the top plug 258 abuts against the suction rod 252, thereby achieving the automatic locking of the suction rod 252, and the first air tube 257 is opened to draw the vacuum so that the suction cup 256 sucks the workpiece. The robotic arm 210 then resumes operation, moving the workpiece for transfer.

The above is only the part or the preferred embodiment of the present invention, no matter the characters or the drawings can not limit the protection scope of the present invention, all under the whole concept of the present invention, the equivalent structure transformation performed by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the protection scope of the present invention.

Claims

1. The hot bending machine is characterized by comprising a main control console, a mechanical arm and stations, wherein the stations comprise a feeding/discharging station, a preheating station, a forming station, an annealing station and a quenching station which are sequentially arranged around the mechanical arm, the forming station, the annealing station and the quenching station are respectively provided with a profiling device, the profiling device comprises a die and a first driving mechanism for driving the die to open and close, the preheating station is provided with a preheating device for preheating a workpiece, and the forming station and the annealing station are respectively provided with a heating device for heating the die therein.

2. The hot bending machine according to claim 1, further comprising a work box in one-to-one correspondence with each of the work stations, the work stations being located in the work box, and a pick-and-place opening and a movable door provided in correspondence with the pick-and-place opening being provided on a vertical side surface of the work box; and air knives are arranged at the positions of the taking and placing openings of the working box corresponding to the forming station, the annealing station and the quenching station.

3. The machine of claim 2, further comprising a top cover connected to each of the work boxes and located above the robot, and a base located below the robot, wherein the top cover, base and work boxes enclose a closed hot bending space.

4. The hot bending machine according to claim 2 or 3, wherein the preheating device comprises a workpiece placing table located in the work box, a mounting frame located above the workpiece placing table, a plurality of heating tubes provided on the mounting frame, and a second driving mechanism for driving the mounting frame to move toward or away from the workpiece placing table.

5. The hot bending machine according to claim 2, wherein the mold comprises an upper mold and a lower mold, the heating device comprises a first heating plate and a second heating plate, the first heating plate is arranged on the back side of the upper mold, the second heating plate is arranged on the back side of the lower mold, the forming station and the annealing station are respectively provided with a mounting plate connected between the first driving mechanism and the upper mold, the first heating plate is arranged between the upper mold and the mounting plate, the first driving mechanism comprises a first guide rod penetrating from the upper part of the working box and fixed by one end of the first guide rod and the mounting plate, a linear driving module fixed by the other end of the first guide rod, and the first guide rod is provided with a cooling water path distributed along the length of the rod, a water inlet and a water outlet communicated with the cooling water path.

6. The hot bending machine according to claim 5, wherein a cold water plate which can be in contact with the second heating plate is arranged in an activity space defined between the second heating plate and the bottom of the working box, a water cavity, a water inlet column and a water outlet column which are respectively communicated with the water cavity are arranged on the cold water plate, and the cold water plate is connected with a third driving mechanism arranged on the outer side of the bottom of the working box so as to reciprocate up and down under the driving of the third driving mechanism; or, be equipped with in the activity space of injecing between the second hot plate with the bottom of work box can with the energy-conserving board of second hot plate contact and be located energy-conserving board below and can with the cold water board of energy-conserving board contact, be equipped with the water cavity on the cold water board, respectively with the post of intaking and the play water column of water cavity intercommunication, the cold water board with set up and be in the third actuating mechanism in the bottom outside of work box is connected with reciprocating motion about under the drive of third actuating mechanism.

7. The hot bending machine according to claim 6, wherein the first and second heating plates are divided into a plurality of independently heated portions, each portion of the second heating plate being provided with the cold water plate and a third driving mechanism, respectively; or the first heating plate and the second heating plate are divided into a plurality of parts for independent heating, and each part of the second heating plate is correspondingly provided with the cold water plate, the energy-saving plate and the third driving mechanism.

8. The hot bender according to claim 1, wherein the preheating means and the heating means are powered by a power regulator SCR.

9. The hot bending machine according to claim 1, wherein the manipulator comprises a mechanical arm, a T-shaped frame connected with the mechanical arm, and two X-axis moving frames respectively sleeved on two opposite free ends of the T-shaped frame, wherein two Y-axis moving members and a suction assembly positioned on the Y-axis moving members are sleeved on the X-axis moving frames; the suction assembly comprises a cylinder body fixedly connected with a Y-axis moving member, a suction rod and a spring, wherein the suction rod and the spring are arranged on the cylinder body in a sleeved mode, a first clamp spring and a second clamp spring are arranged on the suction rod in an up-and-down opposite mode, the cylinder body is located between the first clamp spring and the second clamp spring, the spring is located between the cylinder body and the second clamp spring, the suction rod is provided with an air passage along the direction of a self rod body, one end of the suction rod is connected with a sucker communicated with the air passage, the other end of the suction rod is connected with a first air pipe communicated with the air passage, the cylinder body is located, the vertical direction of the suction rod is provided with an inner cavity and a butt joint in a top plug of the cavity wall of the inner cavity, and the.