CN114589905B

CN114589905B - Full-automatic panel plastic uptake former based on hot air circulation

Info

Publication number: CN114589905B
Application number: CN202210165174.8A
Authority: CN
Inventors: 阳刚; 李玲
Original assignee: Chuzhou Exquisite Electrical Appliances Co ltd
Current assignee: Chuzhou Exquisite Electrical Appliances Co ltd
Priority date: 2022-02-20
Filing date: 2022-02-20
Publication date: 2023-07-04
Anticipated expiration: 2042-02-20
Also published as: CN114589905A

Abstract

The invention discloses full-automatic plate plastic sucking forming equipment based on hot air circulation, which comprises a shell, a hydraulic cylinder and a control module, wherein the hydraulic cylinder and the control module are arranged in the middle position of the top of the shell, the bottom of an output end of the hydraulic cylinder penetrates through the shell and is connected with a connecting plate, the bottom of the connecting plate is connected with an upper pressing plate through a bolt, a lower bearing table is arranged on the lower side of an inner cavity of the shell, the bottom of the lower bearing table is connected with a heating device, a vacuum compressor mounting box, an air purifier mounting box and a circulating box are sequentially arranged at the bottom of the heating device from front to back, a vacuumizing pump is arranged in the inner cavity of the vacuum compressor mounting box, and an air purifier is arranged in the inner cavity of the air purifier mounting box. This full-automatic panel plastic uptake former based on hot air circulation can improve the velocity of flow control to inside gas when realizing the plastic uptake shaping to panel to improve in non-course of working, to the control of closure of heat.

Description

Full-automatic panel plastic uptake former based on hot air circulation

Technical Field

The invention belongs to the technical field of plate processing, and particularly relates to full-automatic plate plastic sucking forming equipment based on hot air circulation.

Background

Vacuum forming, also called vacuum forming, is one of the thermoplastic thermoforming methods. The sheet-shaped or plate-shaped material is clamped on a frame of a vacuum forming machine, heated and softened, then is adsorbed on a die through an air channel at the die edge by vacuum, and is cooled for a short time to obtain a formed plastic product, and the formed plastic product is taken out and trimmed for sale. In order to improve the circulation control effect on hot air, the conventional plastic sucking molding equipment generally adopts to store and store heated air and heats a pressing plate at the upper side, so that the overall heat circulation utilization rate is improved, and in the heat circulation process, the speed control on the heat circulation is lower, and most of the equipment adopts an air pump to drive hot air to circulate, and has no corresponding gradient change module, so that the temperature controllability is lower when the hot air is utilized, the heat circulation which cannot be controlled is caused, and the heat energy loss is more, so that the improvement is needed.

Therefore, in view of the current situation, there is an urgent need to design and produce a fully automatic sheet plastic molding device based on hot air circulation, so as to meet the needs of practical use.

Disclosure of Invention

The invention aims to provide full-automatic plate plastic sucking forming equipment based on hot air circulation, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a full-automatic panel plastic uptake former based on hot air circulation, includes the shell, installs pneumatic cylinder and the control module in shell top intermediate position, the output bottom of pneumatic cylinder runs through the shell and is connected with the connecting plate, and the bottom of connecting plate has the top board through bolted connection, the inner chamber downside of shell installs down the pressure-bearing platform, the bottom of pressure-bearing platform is connected with heating device down, and installs vacuum compressor mounting box, air purifier mounting box and circulation box in proper order from front to back in heating device's bottom, install the evacuation pump in the inner chamber of vacuum compressor mounting box, install air purifier in the inner chamber of air purifier mounting box, and all be connected with the air changing pipe between adjacent vacuum compressor mounting box and air purifier mounting box and the circulation box, and keep away from the one end sliding connection regulating baffle of changing pipe between vacuum compressor mounting box and the air purifier mounting box, be connected with the application of force between air changing pipe and the regulating baffle, and the application of force pipe and install vacuum compressor mounting box and air purifier mounting box in proper order behind, air purifier mounting box and circulation box, the lifting roller are equipped with the inner chamber and the inner chamber of several, the lifting roller is equipped with the threaded rod is equipped with the inner chamber of a plurality of the driving roller, and the lifting roller is equipped with the inner chamber of the lifting roller is connected with, and the inner chamber is equipped with the lifting roller is equipped with the threaded rod through the spacer, and the lifting roller is connected with the inner chamber of the lifting roller, and is equipped with the lifting roller in the inner chamber, the top of the inner partition plate is connected with two symmetrically distributed guide rods through bolts, and the lifting rods are inserted on the guide rods.

Preferably, the connecting plate is provided with a plurality of circulating air receiving holes, and the air receiving holes are connected with the circulating box through air receiving pipes.

Preferably, the inner cavities of the upper pressing plate and the lower bearing table are respectively provided with an air exchanging interlayer, a plurality of air exchanging holes are respectively formed between the air exchanging interlayer and the upper pressing plate and between the air exchanging interlayer and the lower bearing table, the air exchanging interlayer on the upper pressing plate is communicated with the air receiving holes of the connecting plate, and the air exchanging interlayer on the lower bearing table is communicated with the vacuumizing pump through the air guide pipe.

Preferably, the heating device is a grid-shaped resistance wire heating device, and the air duct of the lower pressure bearing platform is inserted into the inner cavity of the heating device and is communicated with the lower pressure bearing platform.

Preferably, fixing blocks matched with the adjusting baffle plates are connected between the adjacent vacuum compressor mounting boxes and the air purifier mounting boxes and between the adjacent vacuum compressor mounting boxes and the circulating boxes through bolts, and two restoring springs are connected between the fixing blocks and the adjusting baffle plates.

Preferably, the adjusting baffle is provided with a ventilation adjusting cavity, and the vacuum compressor mounting box, the air purifier mounting box and the circulation box are provided with connecting cavities matched with the ventilation adjusting cavity.

Preferably, two guide sliding blocks which are symmetrically distributed are integrally formed on two sides of the outer wall of the adjusting baffle, and the adjusting baffle is in sliding connection with a corresponding vacuum compressor mounting box, an air purifier mounting box and a circulation box through the guide sliding blocks.

The invention has the technical effects and advantages that: according to the full-automatic plate plastic sucking molding equipment based on hot air circulation, the three mounting boxes and the adjusting baffle plates positioned among the three mounting boxes are arranged, so that the change of the hot air circulation speed is realized, heat is more concentrated in the mounting boxes directly connected with the lower pressure bearing table, the circulation speed is reduced, the influence of air pressure is reduced, and the control effect of heat in the circulation process is improved; the air bag is in an expansion state when the vacuumizing pump works under the dual actions of the air flow speed and the temperature, the adjusting baffle is driven to be opened, the internal air circulation speed is improved, the adjusting baffle is reset under the conditions of low temperature and no work, the flowing speed of air is low, the heat dissipation effect is low, and the control of heat is realized; through being equipped with lift rod and guide bar for the mount lifting can be spread panel, realizes automatic unloading, and this full-automatic panel plastic uptake former based on hot air circulation can improve the velocity of flow control to inside gas when realizing panel plastic uptake shaping, thereby improves in non-course of working, to thermal control that intercepts.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of the circulation tank of the present invention;

FIG. 3 is a schematic view of the structure of the adjusting baffle of the present invention;

FIG. 4 is a schematic view of the structure of the lower bearing table of the present invention;

FIG. 5 is a cross-sectional view of the lower compression stage of the present invention;

fig. 6 is a cross-sectional view of a lift cylinder of the present invention.

In the figure: the device comprises a shell 1, a hydraulic cylinder 2, a connecting plate 3, an upper pressing plate 4, a lower bearing table 5, a heating device 6, a vacuum compressor mounting box 7, an air purifier mounting box 8, a circulation box 9, an air exchanging pipe 10, a force application air bag 11, an adjusting baffle 12, a fixing frame 13, a driving belt 14, a driving roller 15, a lifting cylinder 16, an inner baffle 17, a driving motor 18, a lifting rod 19, a guide rod 20, a fixing block 21 and a restoring spring 22.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Unless the directions indicated by the individual definitions are used, the directions of up, down, left, right, front, rear, inner and outer are all directions of up, down, left, right, front, rear, inner and outer in the drawings shown in the present invention, and are described herein together.

The invention provides full-automatic plate plastic sucking forming equipment based on hot air circulation, which is shown in fig. 1-6, and comprises a shell 1, a hydraulic cylinder 2 and a control module, wherein the hydraulic cylinder 2 and the control module are arranged in the middle position of the top of the shell 1, the bottom of the output end of the hydraulic cylinder 2 penetrates through the shell 1 and is connected with a connecting plate 3, a plurality of circulating air receiving holes are formed in the connecting plate 3, the air receiving holes are connected with a circulating box 9 through air receiving pipes, collected heat is transferred to the connecting plate 3 through the air receiving pipes, the plate is heated from the upper side, the bottom of the connecting plate 3 is connected with an upper pressing plate 4 through bolts, the lower side of an inner cavity of the shell 1 is provided with a lower pressure bearing table 5, ventilation interlayers are formed in the inner cavities of the upper pressing plate 4 and the lower pressure bearing table 5, a plurality of ventilation holes are formed between the ventilation interlayers on the upper pressing plate 4 and are communicated with the air receiving holes of the connecting plate 3, the ventilation interlayers on the lower pressure bearing table 5 are communicated with a vacuum pump through air guide pipes, normal operation such as vacuum pumping is guaranteed, and the heat collection is realized.

The bottom of the lower pressure bearing platform 5 is connected with a heating device 6, the heating device 6 is a grid-shaped resistance wire heating device, an air duct of the lower pressure bearing platform 5 is inserted into an inner cavity of the heating device 6 and is communicated with the lower pressure bearing platform 5, and a pipeline is connected after passing through the resistance wire heating device, so that the heating speed of the pipeline can be improved, the pipeline is kept inside a heat source, the heat dissipation time can be delayed, and the heat dissipation can be reduced when the next plate is waited for processing.

And install vacuum compressor mounting box 7, air purifier mounting box 8 and circulation case 9 in proper order from front to back in the bottom of heating device 6, install the evacuation pump in the inner chamber of vacuum compressor mounting box 7, install air purifier in the inner chamber of air purifier mounting box 8, realize the plastic uptake shaping to panel and to the purification treatment of the possibly harmful waste gas that produces of heating plastics panel in-process.

The air exchanging pipes 10 are connected between the adjacent vacuum compressor mounting boxes 7 and the air purifier mounting boxes 8 and between the adjacent air purifier mounting boxes 8 and the circulation boxes 9, one ends, far away from the air exchanging pipes 10, of the vacuum compressor mounting boxes 7 and the air purifier mounting boxes 8 and between the vacuum compressor mounting boxes 8 and the circulation boxes 9 are connected with the adjusting baffle 12 in a sliding manner, the air exchanging pipes 10 and the adjusting baffle 12 are connected with the force applying air bag 11, the force applying air bag 11 is communicated with the air exchanging pipes 10, the adjusting baffle 12 is provided with an air ventilation adjusting cavity, the vacuum compressor mounting boxes 7, the air purifier mounting boxes 8 and the circulation boxes 9 are provided with connecting cavities matched with the air ventilation adjusting cavity, the adjacent vacuum compressor mounting boxes 7 and the air purifier mounting boxes 8 and the circulation boxes 9 are connected with the fixing blocks 21 matched with the adjusting baffle 12 through bolts, and two restoring springs 22 are connected between the fixed block 21 and the regulating baffle 12, in the working process, namely, the operation process of the vacuumizing pump and the heating device 6, the force-applied air bag 11 is rapidly expanded under the influence of the air in the air exchanging pipe 10 and the temperature, so that the regulating baffle 12 is extruded, the communication part between the ventilation regulating cavity and the connecting cavity is gradually enlarged, the circulation speed of hot air is increased, namely, the circulation speed of hot air is increased, the heat is uniformly circulated, the reutilization is completed, in the waiting process, the restoring springs 22 drive the regulating baffle 12 to restore, the communication part between the ventilation regulating cavity and the connecting cavity is gradually reduced, the flow speed of air is reduced, more heat is reserved at a smaller position from the heating device 6 with high temperature between the vacuumizing pump and the vacuum compressor mounting box 7, the realization temperature control, the ventilation pipe 10 is only used for balancing the atmospheric pressure, and the pipe diameter requires less, reduces the speed of air circulation, and whole can realize during operation, and temperature circulation is fast, and during the time of stopping, the air circulation is slow to reduce the area of contact with outside cold air, reduce thermal loss.

Two guide sliding blocks which are symmetrically distributed are integrally formed on two sides of the outer wall of the adjusting baffle 12, and the adjusting baffle 12 is in sliding connection with the corresponding vacuum compressor mounting box 7, the air purifier mounting box 8 and the circulation box 9 through the guide sliding blocks, so that the sealing effect is guaranteed while the integral sliding limiting is guaranteed.

The inner cavity of the lower pressure bearing platform 5 is provided with a fixing frame 13, the inner cavity of the fixing frame 13 is connected with a plurality of driving rollers 15 which are distributed at equal intervals through a rotating shaft, a plurality of driving belts 14 are sleeved between the peripheries of the driving rollers 15, one driving roller 15 is connected with a driving motor, the driving motor drives the driving rollers 15 to work, and a plate positioned on the upper side can be driven to feed or discharge.

Install a plurality of lifting barrels 16 that are rectangular array distribution and be connected with mount 13 in the inner chamber of lower pressure-bearing platform 5, lifting rod 19 in the lifting barrels 16 is connected with mount 13, realizes the jack-up and the operation that resumes to mount 13, the welding has interior baffle 17 in the inner chamber of lifting barrels 16, and the bottom of interior baffle 17 installs driving motor 18, driving motor 18's output has the threaded rod through the coupling, and the spiro union has lifting rod 19 on the periphery of threaded rod, the top of interior baffle 17 has two guide bars 20 that are symmetrical distribution through bolted connection, and lifting rod 19 peg graft on guide bar 20, accomplish the promotion and the decline to mount 13, during the promotion, be used for ejection of compact and feeding, during the decline, the upper plate 4 of cooperation upside realizes the extrusion to panel.

The electric devices such as the hydraulic cylinder 2, the heating device 6, the driving motor and the driving motor 18 are described as electric devices which are connected with corresponding receiving ports of a control module through the same bus, and all the electric devices adopt electric devices of conventional types meeting the load requirement to realize the transmission function, the control module comprises a power input circuit, a receiving input circuit, a microprocessor unit and a communication interface circuit, all the electric devices are connected with the power input end of the microprocessor unit, the output end of the electric devices are connected with corresponding detecting ports of the microprocessor unit through the receiving input circuit, the input ends of the electric devices are connected with corresponding control ends of the microprocessor unit, the microprocessor unit is connected with a communication interface through the communication interface circuit, on one hand, the micro-processing unit stores operation data of the electric devices in a data storage circuit as a work log, and on the other hand, the micro-processing unit communicates with an external upper computer through the communication interface, the communication interface comprises a wired data communication interface and a wireless data communication interface, the wired data communication interface can be connected with an RS485 bus, and the wireless data communication interface can be connected with radio frequency wireless communication equipment and GPRS/CDMA wireless communication equipment, and is used for communicating with the external upper computer in a wired or wireless networking mode.

When the full-automatic plate plastic sucking forming equipment based on hot air circulation is used, the control module controls corresponding electric devices to work, a plate drives the driving roller 15 and the driving belt 14 to rotate through the driving motor, the plate enters the upper side of the lower pressure bearing table 5, then the driving motor 18 drives the threaded rod to rotate, the lifting rod 19 is contracted, the hydraulic cylinder 2 is matched with the lifting rod to drive the upper pressure plate 4 to descend, and the plate is pressed into the lower pressure bearing table 5;

the heating device 6 is used for drying and heating the plate, then the vacuumizing pump is used for sucking the internal air to finish the plastic sucking molding processing of the plate, and in the working process, the force application air bag 11 is rapidly expanded under the influence of the air in the air exchanging pipe 10 and the temperature, so that the adjusting baffle 12 is extruded, the communicating part between the ventilation adjusting cavity and the connecting cavity is gradually enlarged, the circulation speed of the hot air is increased, the circulation of the internal heat is accelerated to be uniform, and the reutilization of the heat is finished;

after the plate is processed, the hydraulic cylinder 2 is reset, the lifting rod 19 is driven to ascend by the driving motor 18, the fixing frame 13 and the driving belt 14 are ejected and reset, the driving motor drives the driving roller 15 to rotate, the plate is transmitted out, and the discharging is completed;

in the process of stopping waiting for the next plate processing, the reset spring 22 drives the regulating baffle 12 to recover, so that the communication part between the ventilation regulating cavity and the connecting cavity is gradually reduced, the flow speed of air is reduced, more heat is reserved at a smaller position from the vacuum pump and the vacuum compressor installation box 7 through the high-temperature heating device 6, the temperature control is realized, the heat dissipation speed is reduced by reducing the circulation speed, the heat interception effect is improved, and the heat control effect is realized.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.

Claims

1. Full-automatic panel plastic uptake former based on hot air circulation, including shell (1), install pneumatic cylinder (2) and control module at shell (1) top intermediate position, its characterized in that: the bottom of the output end of the hydraulic cylinder (2) penetrates through the shell (1) and is connected with the connecting plate (3), the bottom of the connecting plate (3) is connected with the upper pressing plate (4) through a bolt, a lower bearing table (5) is arranged at the lower side of the inner cavity of the shell (1), a heating device (6) is connected at the bottom of the lower bearing table (5), a vacuum compressor mounting box (7), an air purifier mounting box (8) and a circulating box (9) are sequentially arranged at the bottom of the heating device (6) from front to back, a vacuumizing pump is arranged in the inner cavity of the vacuum compressor mounting box (7), an air purifier is arranged in the inner cavity of the air purifier mounting box (8), an air exchanging pipe (10) is connected between the adjacent vacuum compressor mounting box (7) and the air purifier mounting box (8) and the circulating box (9), a sliding adjusting plate (12) far away from the air exchanging pipe (10) between the vacuum compressor mounting box (7) and the air purifier mounting box (8) and the circulating box (9), an air exchanging pipe (11) is connected between the air exchanging plate (11) and the air exchanging plate (9), a fixed frame (13) is arranged in the inner cavity of the lower bearing table (5), a plurality of driving rollers (15) which are distributed at equal intervals are connected in the inner cavity of the fixed frame (13) through rotating shafts, a transmission belt (14) is sleeved between the peripheries of the driving rollers (15), one driving roller (15) is connected with a driving motor, a plurality of lifting cylinders (16) which are distributed in a rectangular array and are connected with the fixed frame (13) are arranged in the inner cavity of the lower bearing table (5), the inner cavity of the lifting cylinder (16) is welded with an inner partition plate (17), the bottom of the inner partition plate (17) is provided with a driving motor (18), the output end of the driving motor (18) is connected with a threaded rod through a coupling, the periphery of the threaded rod is screwed with a lifting rod (19), the top of the inner partition plate (17) is connected with two symmetrically distributed guide rods (20) through bolts, and the lifting rod (19) is inserted on the guide rods (20).

2. The full-automatic sheet plastic suction forming equipment based on hot air circulation according to claim 1, wherein: a plurality of circulating air receiving holes are formed in the connecting plate (3), and the air receiving holes are connected with the circulating box (9) through air receiving pipes.

3. The full-automatic sheet plastic suction forming equipment based on hot air circulation according to claim 1, wherein: the inner cavities of the upper pressing plate (4) and the lower pressure-bearing table (5) are respectively provided with an air exchange interlayer, a plurality of air exchange holes are respectively formed between the air exchange interlayer and the upper pressing plate (4) and between the air exchange interlayer and the lower pressure-bearing table (5), the air exchange interlayer on the upper pressing plate (4) is communicated with the air receiving holes of the connecting plate (3), and the air exchange interlayer on the lower pressure-bearing table (5) is communicated with the vacuumizing pump through an air guide pipe.

4. The full-automatic sheet plastic suction forming equipment based on hot air circulation according to claim 1, wherein: the heating device (6) is a grid-shaped resistance wire heating device, and the air duct of the lower pressure-bearing table (5) is inserted into the inner cavity of the heating device (6) and is communicated with the lower pressure-bearing table (5).

5. The full-automatic sheet plastic suction forming equipment based on hot air circulation according to claim 1, wherein: the adjacent vacuum compressor installation box (7) and air purifier installation box (8) and all are connected with fixed block (21) with adjusting baffle (12) looks adaptation through the bolt between air purifier installation box (8) and circulation case (9), and be connected with two recovery springs (22) between fixed block (21) and adjusting baffle (12).

6. The full-automatic sheet plastic suction forming equipment based on hot air circulation according to claim 1, wherein: the adjusting baffle (12) is provided with a ventilation adjusting cavity, and the vacuum compressor mounting box (7), the air purifier mounting box (8) and the circulating box (9) are provided with connecting cavities matched with the ventilation adjusting cavity.

7. The full-automatic sheet plastic suction forming equipment based on hot air circulation according to claim 1, wherein: two guide sliding blocks which are symmetrically distributed are integrally formed on two sides of the outer wall of the adjusting baffle plate (12), and the adjusting baffle plate (12) is in sliding connection with the corresponding vacuum compressor installation box (7), the air purifier installation box (8) and the circulation box (9) through the guide sliding blocks.