CN220409601U

CN220409601U - PET material plastic uptake device

Info

Publication number: CN220409601U
Application number: CN202321810417.5U
Authority: CN
Inventors: 杨乐乐; 孙文斌; 桑多斌; 张�杰; 王少辉; 张家骐; 陶海燕; 高岩峰
Original assignee: Hefei Yuncheng Electronic Material Technology Co ltd
Current assignee: Hefei Yuncheng Electronic Material Technology Co ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-01-30
Anticipated expiration: 2033-07-11

Abstract

The utility model relates to the field of plastic sucking equipment, and discloses a PET material plastic sucking device which comprises a base, a fixed plate, a top die, a back-shaped bearing frame plate, a heating component, a vacuumizing component and a cooling component, wherein a plastic sucking cavity with an opening structure at the top is formed in the base, the fixed plate is fixedly arranged in the plastic sucking cavity, the top die is fixedly arranged at the top of the fixed plate, the back-shaped bearing frame plate is fixedly arranged in the plastic sucking cavity and is positioned above the top die, and the PET plate is arranged at the top of the back-shaped bearing frame plate. The utility model has the following advantages and effects: can be firm stable the compressing tightly of PET board fix on back style of calligraphy and bear the frame board, the simple operation can avoid the PET board to take place to shift or drop when shaping to the good PET board plastic uptake of heating softening, improves the processingquality, can carry out more comprehensive quick cooling shaping to the PET finished piece of making moreover, has improved the cooling shaping efficiency of PET finished piece.

Description

PET material plastic uptake device

Technical Field

The utility model relates to the technical field of plastic sucking equipment, in particular to a PET plastic sucking device.

Background

Plastic suction is a plastic processing technology, and the main principle is that after a flat plastic hard sheet is heated and softened, vacuum is adopted to be adsorbed on the surface of a mould, and the plastic is cooled and molded, so that the plastic suction is widely used in industries of plastic packaging, lamp decoration, advertisement, decoration and the like. The existing PET material plastic sucking device is capable of sucking plastic sheets on the surface of a die in a positive and empty mode and waiting for cooling, because the plastic sheets are heated in advance, a period of time is needed to wait, after the plastic sheets are guaranteed to be cooled completely, the plastic sheets can be taken down, the plastic sucking forming efficiency of the plastic sheets is guaranteed, and the waiting time greatly reduces the production efficiency of the plastic sucking device and is not efficient enough.

The PET material plastic uptake device for the Chinese patent bulletin with the bulletin number of CN218803950U comprises a base, a ventilating plate is arranged in the middle of the upper surface of the base, a shaped top die is arranged in the middle of the upper surface of the ventilating plate, a water tank for containing cooling liquid is arranged in the inner part of the base, a main water pump for pumping the cooling liquid is arranged at the inner bottom of the water tank, a water pipe for conveying the cooling liquid is connected with the output end of the main water pump in an intercommunication way, the middle end of the water pipe is buried in the top die, and the output end of the water pipe is connected with the inner part of the water tank in an intercommunication way.

The above scheme has been found to still have at least the following disadvantages in practice: the mode operation that adopts the adhesive tape to paste the PET board and fix on pressing the frame is loaded down with trivial details, and is not convenient enough to the fixed effect after the PET board is heated and softened can become worse, easily drops, and then can reduce the quality to PET board plastic uptake processing.

Therefore, it is necessary to design a PET plastic suction device which can firmly and stably compress and fix a PET plate, is convenient to operate, can prevent the PET plate from shifting or falling off, and improves the processing quality.

Disclosure of Invention

The utility model aims to provide a PET material plastic sucking device which can firmly and stably press and fix a PET plate on a back-shaped bearing frame plate, is convenient to operate, can prevent the PET plate from shifting or falling off during plastic sucking shaping treatment of the heated and softened PET plate, improves the processing quality, can perform more comprehensive and rapid cooling and forming on the prepared PET product, and improves the cooling and forming efficiency of the PET product.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a PET material plastic uptake device, includes base, fixed plate, top mould, returns the style of calligraphy and bears the framed board, heating element, evacuation subassembly and cooling module, offer the plastic uptake chamber that the top is the opening structure on the base, fixed plate fixed mounting is in the plastic uptake intracavity, top mould fixed mounting is at the top of fixed plate, return the style of calligraphy and bear the framed board fixed mounting and be located the top of top mould in the plastic uptake chamber, return the style of calligraphy and bear the framed board the top and placed the PET board, the equal fixed mounting of left side outer wall and the right side outer wall of base has a supporting beam, the same U type frame of top fixed mounting of two supporting beams, heating element sets up on the U type frame, evacuation subassembly and cooling module all set up on the base.

The utility model is further provided with: the heating assembly comprises two electric hydraulic cylinders, a lifting plate and an electric heating plate, wherein the two electric hydraulic cylinders are fixedly installed on the inner wall of the top of the U-shaped frame, the output shaft ends of the two electric hydraulic cylinders are all extended into the plastic sucking cavity, the lifting plate is fixedly installed at the output shaft ends of the two electric hydraulic cylinders, the electric heating plate is fixedly installed at the bottom of the lifting plate, and the bottom of the electric heating plate is in contact with the top of the PET plate.

The utility model is further provided with: the vacuum pumping assembly comprises a vacuum pump, an exhaust pipe and a one-way valve, wherein the vacuum pump is fixedly arranged on the outer wall of the left side of the base, the exhaust pipe is fixedly arranged at the top of the fixed plate, one end of the exhaust pipe penetrates through the fixed plate and is positioned on the left side of the ejector die, one end of the exhaust pipe, which is far away from the fixed plate, extends out of the base and is fixedly connected with the air suction end of the vacuum pump, and the one-way valve is fixedly arranged on the exhaust pipe.

The utility model is further provided with: the cooling assembly comprises an air cooler, an air conveying main pipe, a three-way pipe, a first air conveying branch pipe, a second air conveying branch pipe and an exhaust pipe, wherein the air cooler is fixedly arranged on the outer wall of the right side of a base, one end of the air conveying main pipe is fixedly connected with the exhaust end of the air cooler, one end of the air conveying main pipe, which is far away from the air cooler, extends into a plastic sucking cavity and is located below the fixing plate, the air inlet end of the three-way pipe and the air conveying main pipe are fixedly connected with one end of the plastic sucking cavity, one end of the first air conveying branch pipe and one end of the second air conveying branch pipe are respectively fixedly connected with two air outlet pipes of the three-way pipe, a serpentine cooling channel is formed in a top die, one end of the first air conveying branch pipe, which is far away from the three-way pipe, penetrates through the fixing plate and extends into the serpentine cooling channel, one end of the exhaust pipe, which is far away from the fixing plate, extends out of the base, one end of the air returning frame, is far away from the fixing plate and extends into the air returning cavity, one end of the three-way pipe, one end of the first air conveying branch pipe, penetrates through the fixing plate and extends into the air returning cavity, and a plurality of air outlet holes are uniformly distributed on the inner wall of the bottom of the air returning frame.

The utility model is further provided with: and the second gas transmission branch pipe is fixedly provided with a first electromagnetic valve.

The utility model is further provided with: the vacuum breaking pipe is fixedly arranged on the left side wall of the base, the right end of the vacuum breaking pipe extends into the plastic sucking cavity and is positioned above the fixing plate, and the second electromagnetic valve is fixedly arranged on the vacuum breaking pipe.

The beneficial effects of the utility model are as follows:

1. the utility model utilizes the heating assembly consisting of the two electric hydraulic cylinders, the lifting plate and the electric heating plate, so that the PET plate can be pressed and fixed on the back-shaped bearing frame plate, the PET plate can be firmly pressed and fixed, and the PET plate can be heated and softened so as to facilitate the subsequent plastic molding and shaping processing of the heated and softened PET plate, further, the displacement or falling off of the PET plate can be avoided during the subsequent plastic molding and shaping processing of the heated and softened PET plate, the processing quality is improved, the problems that the operation is complicated and inconvenient in the mode that the prior PET material plastic sucking device adopts the adhesive tape to adhere and fix the PET plate on the pressing frame, the fixing effect of the PET plate after being heated and softened is poor, the PET plate is easy to fall off, and the quality of the plastic molding and processing of the PET plate is reduced are solved.

2. According to the utility model, the vacuum pumping assembly consisting of the vacuum pump, the exhaust pipe and the one-way valve is utilized, so that air between the fixed plate and the back-shaped bearing frame plate in the plastic sucking cavity can be pumped out to form vacuum, the softened PET plate is adsorbed on the surface of the top die, and the heated and softened PET plate can be subjected to plastic sucking processing and shaping to obtain the PET product.

3. According to the utility model, the cooling assembly consisting of the air cooler, the air conveying main pipe, the three-way pipe, the first air conveying branch pipe, the second air conveying branch pipe and the exhaust pipe is utilized, so that the manufactured PET (polyethylene terephthalate) product can be subjected to more comprehensive and rapid cooling and molding, and the cooling and molding efficiency of the PET product is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of the present embodiment.

Fig. 2 is a schematic diagram of a front sectional structure of the present embodiment.

Fig. 3 is an enlarged schematic view of the portion a in fig. 2.

In the figure, 1, a base; 2. a plastic suction cavity; 3. a fixing plate; 4. a top mold; 5. the back-shaped bearing frame plate; 6. a support beam; 7. a U-shaped frame; 8. an electro-hydraulic cylinder; 9. a lifting plate; 10. an electric heating plate; 11. a PET plate; 12. a vacuum pump; 13. an exhaust pipe; 14. a one-way valve; 15. an air cooler; 16. a gas transmission main pipe; 17. a three-way pipe; 18. a first gas delivery manifold; 19. a second gas delivery manifold; 20. serpentine cooling channels; 21. an exhaust pipe; 22. the air cavity is shaped like a Chinese character 'hui'; 23. an air outlet hole; 24. a first electromagnetic valve; 25. a vacuum breaking tube; 26. and a second electromagnetic valve.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

Referring to fig. 1, 2 and 3, the utility model provides a PET plastic sucking device, which comprises a base 1, a fixing plate 3, a top die 4, a back-shaped bearing frame plate 5, a heating component, a vacuumizing component and a cooling component, wherein:

the vacuum forming device comprises a base 1, a plastic sucking cavity 2 with an opening structure at the top, a PET plate 11 is provided in the plastic sucking cavity 2, a fixing plate 3 is fixedly installed on the top of the fixing plate 3, a top die 4 is fixedly installed on the top of the fixing plate 3, the fixing plate 3 is used for supporting the top die 4, the top die 4 is used for performing plastic sucking processing and shaping on the PET plate 11 to prepare a PET product, the top die 4 is made of stainless steel materials, the top die 4 has good heat conducting performance, a back-up type bearing frame plate 5 is fixedly installed in the plastic sucking cavity 2 and located above the top die 4, the PET plate 11 is placed on the top of the back-up type bearing frame plate 5, the back-up type bearing frame plate 5 is used for bearing the PET plate 11, the left side outer wall and the right side outer wall of the base 1 are fixedly installed with a supporting beam 6, the tops of the two supporting beams 6 are fixedly installed with the same U-shaped frame 7, a heating assembly is arranged on the U-shaped frame 7, the heating assembly is used for performing heating and softening treatment on the PET plate 11, a vacuum pumping assembly and a cooling assembly are both arranged on the base 1, the vacuum pumping assembly is used for performing overall vacuum forming and cooling treatment on the PET plate 4 between the fixing plate 3 and the back-up type bearing frame 5.

The heating assembly comprises two electric hydraulic cylinders 8, a lifting plate 9 and an electric heating plate 10, wherein the two electric hydraulic cylinders 8 are fixedly installed on the inner wall of the top of the U-shaped frame 7, the output shaft ends of the two electric hydraulic cylinders 8 are all extended into the plastic sucking cavity 2, the lifting plate 9 is fixedly installed at the output shaft ends of the two electric hydraulic cylinders 8, the electric heating plate 10 is fixedly installed at the bottom of the lifting plate 9, the bottom of the electric heating plate 10 is contacted with the top of the PET plate 11, the lifting plate 9 and the electric heating plate 10 can be controlled to lift by utilizing the two electric hydraulic cylinders 8, the PET plate 11 can be heated and softened by utilizing the electric heating plate 10, the PET plate 11 can be fixedly pressed on the back-shaped bearing frame plate 5, the lower surface of the electric heating plate 10 is a smooth surface, the electric heating plate 10 adopts a constant-temperature electric heating plate, the heating temperature of the constant-temperature electric heating plate is selected according to the softening temperature of the processed PET plate 11, and the two electric hydraulic cylinders 8 are in an extension state as shown in fig. 1 and 2.

The vacuum pumping assembly comprises a vacuum pump 12, an exhaust pipe 13 and a one-way valve 14, wherein the vacuum pump 12 is fixedly arranged on the outer wall of the left side of the base 1, the exhaust pipe 13 is fixedly arranged at the top of the fixed plate 3, one end of the exhaust pipe 13 penetrates through the fixed plate 3 and is positioned at the left side of the top die 4, one end of the exhaust pipe 13, which is far away from the fixed plate 3, extends out of the base 1 and is fixedly connected with the air suction end of the vacuum pump 12, the one-way valve 14 is fixedly arranged on the exhaust pipe 13, the one-way valve 14 is used for controlling air to flow unidirectionally in the exhaust pipe 13, and the vacuum pump 12 is used for pumping air between the fixed plate 3 and the reverse-shaped bearing frame plate 5 in the plastic suction cavity 2, so that the secondary space forms vacuum.

The cooling assembly comprises an air cooler 15, an air delivery main pipe 16, a three-way pipe 17, a first air delivery branch pipe 18, a second air delivery branch pipe 19 and an exhaust pipe 21, wherein the air cooler 15 is fixedly arranged on the outer wall of the right side of the base 1, one end of the air delivery main pipe 16 is fixedly connected with the exhaust end of the air cooler 15, one end of the air delivery main pipe 16 far away from the air cooler 15 extends into the plastic suction cavity 2 and is positioned below the fixed plate 3, the air inlet end of the three-way pipe 17 is fixedly connected with one end of the air delivery main pipe 16 positioned in the plastic suction cavity 2, one end of the first air delivery branch pipe 18 and one end of the second air delivery branch pipe 19 are respectively and fixedly connected with two air outlet pipes of the three-way pipe 17, a snakelike cooling channel 20 is arranged in the top die 4, one end of the first air delivery branch pipe 18 far away from the three-way pipe 17 penetrates through the fixed plate 3 and extends into the snakelike cooling channel 20, the exhaust pipe 21 is fixedly arranged at the bottom of the fixed plate 3, one end of the exhaust pipe 21 penetrates through the fixed plate 3 and extends into the serpentine cooling channel 20, one end of the exhaust pipe 21, which is far away from the fixed plate 3, extends out of the base 1, a back-shaped air cavity 22 is formed in the back-shaped bearing frame plate 5, one end of the second air transmission branch pipe 19, which is far away from the three-way pipe 17, penetrates through the fixed plate 3 and extends into the back-shaped air cavity 22, a plurality of air outlets 23 are formed in the inner wall of the bottom of the back-shaped air cavity 22 at equal intervals, the plurality of air outlets 23 are distributed in an equidistant back-shaped manner, the air cooler 15 is used for preparing and conveying cold air, heat on the plastic-sucking and-shaping PET workpiece is transferred into the cold air through the top die 4 by utilizing the flow of the cold air in the serpentine cooling channel 20, the purpose of cooling the PET workpiece is achieved, the purpose of cooling the PET workpiece is also achieved by blowing cold air blown out from the plurality of the air outlets 23 on the surface of the plastic-sucking and-shaping PET workpiece, and then can make the cooling to PET finished piece more comprehensive quick, improved the cooling shaping efficiency of PET finished piece.

In this embodiment, the second air delivery branch pipe 19 is fixedly provided with a first electromagnetic valve 24, and the first electromagnetic valve 24 is used for controlling the on-off of the inside of the second air delivery branch pipe 19.

In this embodiment, a vacuum breaking tube 25 is fixedly installed on the left side wall of the base 1, the right end of the vacuum breaking tube 25 extends into the plastic suction cavity 2 and is located above the fixing plate 3, a second electromagnetic valve 26 is fixedly installed on the vacuum breaking tube 25, and vacuum between the fixing plate 3 and the back-shaped bearing frame plate 5 in the plastic suction cavity 2 can be broken by using the vacuum breaking tube 25 and the second electromagnetic valve 26.

In this embodiment, it should be noted that, a control box is installed at a suitable position beside the base 1, and a plurality of control buttons are installed on the control box, and the two electro-hydraulic cylinders 8, the electric heating plate 10, the vacuum pump 12, the air cooler 15, the first electromagnetic valve 24, the second electromagnetic valve 26 and the control box are electrically connected with an external circuit through wires, and the plurality of control buttons can be used to control the energizing operation of the two electro-hydraulic cylinders 8, the electric heating plate 10, the vacuum pump 12, the air cooler 15, the first electromagnetic valve 24 and the second electromagnetic valve 26 respectively.

Through the structure, the PET material plastic sucking device provided by the utility model can firmly and stably compress and fix the PET plate 11 on the back-shaped bearing frame plate 5, is convenient to operate, can prevent the PET plate 11 from shifting or falling off during the plastic sucking and shaping treatment of the heated and softened PET plate 11, improves the processing quality, can more comprehensively and rapidly cool and shape the prepared PET product, improves the cooling and shaping efficiency of the PET product, can control the lifting plate 9 and the electric heating plate 10 to rise and move out of the plastic sucking cavity 2 by starting the reset of the two electric hydraulic cylinders 8 during the specific operation, then place the PET plate 11 on the back-shaped bearing frame plate 5, and then control the two electric hydraulic cylinders 8 to run, can control the lifting plate 9 and the electric heating plate 10 to descend, so that the electric heating plate 10 is abutted against the upper surface of the PET plate 11, and at the moment, the purpose of firmly compressing and fixing the PET plate 11 is achieved by utilizing the electric heating plate 10, then the electric heating plate 10 is started to operate, the heat generated by the electric heating plate 10 can be used for heating and softening the PET plate 11, after the softening of the PET plate 11 is finished, the electric heating plate 10 is closed, the vacuum pump 12 is started to pump out the air between the fixed plate 3 and the back-shaped bearing frame plate 5 in the plastic sucking cavity 2 to form vacuum, the softened PET plate 11 is adsorbed on the surface of the top die 4, the PET plate 11 can be subjected to plastic sucking processing and shaping to prepare a PET product, after the PET plate 11 is subjected to plastic sucking and shaping, the second electromagnetic valve 26 is started, the external air enters between the fixed plate 3 and the back-shaped bearing frame plate 5 through the vacuum breaking pipe 25, the vacuum in the space disappears, then the air cooler 15 is started to operate, the first electromagnetic valve 24 is started, one path of cold air generated during the operation of the air cooler 15 enters the snake-shaped cooling channel 20 through the first air conveying branch pipe 18 and is discharged through the exhaust pipe 21, the other path of cold air enters the back-shaped air cavity 22 through the second air conveying branch pipe 19 and is discharged from the plurality of air outlet holes 23, finally, the air is discharged through the vacuum breaking pipe 25, heat on the PET workpiece subjected to plastic sucking shaping can be transferred to the cold air through the top die 4 by utilizing the flow of the cold air in the serpentine cooling channel 20, the purpose of cooling the PET workpiece is achieved by blowing the cold air blown out from the plurality of air outlet holes 23 on the surface of the PET workpiece subjected to plastic sucking shaping, the purpose of cooling the PET workpiece is achieved, further cooling and cooling of the PET workpiece are more comprehensive and rapid, the cooling and shaping efficiency of the PET workpiece is improved, during the cooling period of the PET workpiece, the lifting plate 9 and the electric heating plate 10 can be controlled to rise and move out of the plastic sucking cavity 2, after the cooling of the PET workpiece is finished, the cooling fan 15 is stopped, the first electromagnetic valve 24 and the second electromagnetic valve 26 are closed, the processed and the PET workpiece can be taken out, and the next plastic sucking machining operation of the plate 11 can be continued according to the operation steps.

The PET material plastic sucking device provided by the utility model is described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. PET material plastic uptake device, its characterized in that, including base (1), fixed plate (3), top mould (4), back style of calligraphy and bear framed board (5), heating element, evacuation subassembly and cooling module, offer on base (1) that the top is open structure's plastic uptake chamber (2), fixed plate (3) fixed mounting is in plastic uptake chamber (2), top mould (4) fixed mounting is in the top of fixed plate (3), back style of calligraphy and bear framed board (5) fixed mounting is in plastic uptake chamber (2) and be located the top of top mould (4), back style of calligraphy and bear framed board (5) the top and placed PET board (11), the equal fixed mounting in left side outer wall and the right side outer wall of base (1) has a supporting beam (6), two the top fixed mounting of supporting beam (6) has same U type frame (7), heating element sets up on U type frame (7), evacuation subassembly and cooling module all set up on base (1).

2. A PET blister device according to claim 1, wherein: the heating element is including utilizing two electric hydraulic cylinders (8), lifter plate (9) and electrical heating board (10), two electric hydraulic cylinders (8) are all fixed mounting on the top inner wall of U type frame (7), two the output axle head of electric hydraulic cylinders (8) all extends to in plastic uptake chamber (2), lifter plate (9) fixed mounting is two the output axle head of electric hydraulic cylinders (8), electrical heating board (10) fixed mounting is in the bottom of lifter plate (9), the bottom of electrical heating board (10) with the top contact of PET board (11).

3. A PET blister device according to claim 1, wherein: the vacuum pumping assembly comprises a vacuum pump (12), an exhaust pipe (13) and a one-way valve (14), wherein the vacuum pump (12) is fixedly installed on the outer wall of the left side of the base (1), the exhaust pipe (13) is fixedly installed at the top of the fixed plate (3), one end of the exhaust pipe (13) penetrates through the fixed plate (3) and is located at the left side of the top die (4), one end of the exhaust pipe (13) away from the fixed plate (3) extends out of the base (1) and is fixedly connected with the air suction end of the vacuum pump (12), and the one-way valve (14) is fixedly installed on the exhaust pipe (13).

4. A PET blister device according to claim 1, wherein: the cooling assembly comprises an air cooler (15), an air conveying main pipe (16), a three-way pipe (17), a first air conveying branch pipe (18), a second air conveying branch pipe (19) and an exhaust pipe (21), wherein the air cooler (15) is fixedly arranged on the outer wall of the right side of the base (1), one end of the air conveying main pipe (16) is fixedly connected with the exhaust end of the air cooler (15), one end of the air conveying main pipe (16) far away from the air cooler (15) extends to the inside of the plastic suction cavity (2) and is positioned below the fixed plate (3), the air inlet end of the three-way pipe (17) is fixedly connected with one end of the air conveying main pipe (16) positioned in the plastic suction cavity (2), one end of the first air conveying branch pipe (18) and one end of the second air conveying branch pipe (19) are respectively fixedly connected with two air outlet pipes (3) of the three-way pipe, a snake-shaped cooling channel (20) is formed in the top die (4), one end of the first air conveying branch pipe (18) is far away from the three-way pipe (17) and extends to the inside of the fixed plate (21) and penetrates through the fixed plate (3) and extends to the inside of the fixed plate (20) and is fixedly arranged at the bottom of the fixed plate (21), one end that fixed plate (3) was kept away from to blast pipe (21) extends to outside base (1), return style of calligraphy air cavity (22) have been seted up in back style of calligraphy loading frame board (5), the one end that three-way pipe (17) was kept away from to second gas transmission branch pipe (19) runs through fixed plate (3) and extends to return style of calligraphy air cavity (22) in, equally spaced a plurality of ventholes (23) have been seted up on the bottom inner wall of returning style of calligraphy air cavity (22), a plurality of ventholes (23) are equidistant back style of calligraphy and arrange.

5. A PET blister device as claimed in claim 4, wherein: the second gas transmission branch pipe (19) is fixedly provided with a first electromagnetic valve (24).

6. A PET blister device according to claim 1, wherein: the vacuum breaking device is characterized in that a vacuum breaking pipe (25) is fixedly arranged on the left side wall of the base (1), the right end of the vacuum breaking pipe (25) extends into the plastic sucking cavity (2) and is located above the fixing plate (3), and a second electromagnetic valve (26) is fixedly arranged on the vacuum breaking pipe (25).