CN116728754A - Vacuum plastic sucking machine for forming plastic sucking box - Google Patents
Vacuum plastic sucking machine for forming plastic sucking box Download PDFInfo
- Publication number
- CN116728754A CN116728754A CN202310857393.7A CN202310857393A CN116728754A CN 116728754 A CN116728754 A CN 116728754A CN 202310857393 A CN202310857393 A CN 202310857393A CN 116728754 A CN116728754 A CN 116728754A
- Authority
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- China
- Prior art keywords
- vacuum
- heat preservation
- adsorption platform
- vacuum adsorption
- sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004033 plastic Substances 0.000 title claims abstract description 39
- 229920003023 plastic Polymers 0.000 title claims abstract description 39
- 238000001179 sorption measurement Methods 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 238000003825 pressing Methods 0.000 claims abstract description 18
- 238000005485 electric heating Methods 0.000 claims abstract description 14
- 238000004321 preservation Methods 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 19
- 239000007921 spray Substances 0.000 claims description 16
- 238000000465 moulding Methods 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 9
- 238000007666 vacuum forming Methods 0.000 claims description 5
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 13
- 238000001816 cooling Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 206010053615 Thermal burn Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 229920012485 Plasticized Polyvinyl chloride Polymers 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229920005669 high impact polystyrene Polymers 0.000 description 1
- 239000004797 high-impact polystyrene Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 238000009757 thermoplastic moulding Methods 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/42—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/10—Forming by pressure difference, e.g. vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention discloses a vacuum plastic sucking machine for forming a plastic sucking box, which comprises a shell and a sheet heating device, wherein a sealing frame is arranged on the shell, a pressing frame for pressing plastic sucking sheets is arranged above the sealing frame, the pressing frame is connected with a pressing mechanism, a vacuum adsorption platform is connected in the sealing frame in a sealing sliding manner, and the sheet heating device comprises an L-shaped conveying belt mechanism, a sliding lamp holder and an electric heating pipe unit. When the vacuum adsorption platform descends, the sheet heating device can move the heating pipe below the sheet for moving heating, so that the heating is more uniform, the heating efficiency is high, and the power consumption is reduced; when the vacuum is pumped, high-temperature hot air can be pumped away, and the cooling efficiency is improved.
Description
Technical Field
The invention relates to the technical field of vacuum plastic sucking machines, in particular to a vacuum plastic sucking machine for forming a plastic sucking box.
Background
Vacuum molding machines (also known as thermoplastic molding machines) are machines that suction thermoplastic rolls such as heated plasticized PVC, PE, PP, PET and HIPS into products such as advanced packaging decorative boxes and frames of various shapes. Some existing desk-top vacuum plastic sucking machines set up a row of heating pipes in the cover downside of turning up, heat in the sheet top, touch the heating pipe when rising the vacuum forming of terrace die in order to avoid the shaping, the distance between heating pipe and the fixed mesa of sheet often is bigger, causes heating efficiency low, problem that the consumption is big, and the cover temperature is high moreover, takes place the scald problem easily when opening, so needs to be improved.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a vacuum plastic sucking machine for forming a plastic sucking box, which improves heating efficiency.
The invention solves the technical problems by adopting the technical scheme that: the utility model provides a be used for fashioned vacuum plastic uptake machine of plastic uptake box, includes casing and sheet heating device, is equipped with sealed frame on the casing, and sealed frame top is equipped with the frame that compresses tightly of plastic uptake sheet, compresses tightly frame connection hold-down mechanism, sealed sliding connection has vacuum adsorption platform in the sealed frame, places ventilative pad and punch plate on the vacuum adsorption platform, is equipped with the gas circuit in the vacuum adsorption platform, and evacuating device is connected to the gas circuit, is equipped with the gas pocket of intercommunication vacuum adsorption platform upper surface on the gas circuit, is equipped with lifting drive mechanism between vacuum adsorption platform and the casing, sheet heating device includes L type conveyer belt mechanism, lamp stand and electric heating pipe unit slide, L type conveyer belt mechanism includes rack, gear, transmission shaft and two sets of driving pulley, driven pulley and the belt that set up in vacuum adsorption platform both sides respectively, lifting drive mechanism connects the rack, and rack meshing connects the gear, gear fixed connection is on the transmission shaft, driving pulley, driven pulley and transmission shaft all rotate and install on the casing, fixed mounting belt have horizontal segment and vertical section on the belt, fixed mounting is followed on the belt and lamp stand is slipped on the electric heating pipe unit.
Further perfection, lift actuating mechanism includes the lifter, fixed connection fixing base on the flexible end of lifter, and the connecting rod is connected to the fixing base, and connecting rod fixed connection rack upper end, rack lower extreme fixed connection bracing piece, bracing piece connection erects the slider, erects the slider and connects perpendicular slide rail, erects the section of thick bamboo wall fixed connection of slide rail and lifter.
Further perfecting, the bottom of the plurality of sliding lamp holders is fixedly provided with a heat insulation reflecting film.
Further perfecting, the diameter of the driving belt wheel is larger than that of the gear, and the transmission ratio of the driving belt wheel to the driven belt wheel is smaller than 1.
Further perfectedly, it installs the heat preservation shroud to rotate on the casing, and heat preservation shroud top is equipped with flexible gasbag, and flexible gasbag top is equipped with the clamp plate, is equipped with the actuating cylinder between clamp plate and the heat preservation shroud, and the pneumatic control system is connected to the actuating cylinder, is equipped with one-way admission valve on the lateral wall of heat preservation shroud, is equipped with inside bleeder vent and the electromagnetic exhaust valve of intercommunication flexible gasbag on heat preservation shroud and the clamp plate respectively.
Further perfecting, the lower part of the heat preservation shroud is fixedly provided with a spray plate, a gas pipe is arranged between the spray plate and the one-way gas inlet valve, and the one-way gas inlet valve is externally connected with a cold gas pipe.
Further perfecting, the lower side of the spray plate is fixed with a female die plate, and the lower surface of the female die plate is provided with spray holes communicated with the inside of the spray plate.
Further perfecting, a magnetic lock is arranged between the shell and the heat preservation cover, an air pressure temperature sensor is arranged on the inner wall of the heat preservation cover, and the air pressure temperature sensor, the magnetic lock, the pneumatic control system and the electromagnetic exhaust valve are electrically connected with the control module.
The beneficial effects of the invention are as follows: according to the invention, the sheet heating device is arranged on the vacuum adsorption platform, and when the vacuum adsorption platform descends, the sheet heating device can move the heating pipe to the lower part of the sheet for moving heating, so that the heating is more uniform, the heating efficiency is high, and the power consumption is reduced; when the vacuum is pumped, high-temperature hot air can be pumped away, so that the cooling efficiency is improved, the upper part of the sheet cannot be too hot, and the problem of scalding is not easy to occur.
Drawings
FIG. 1 is a schematic view of the vacuum adsorption platform of the present invention in a lowered configuration;
FIG. 2 is a schematic diagram of the vacuum adsorption platform of the present invention after rising for vacuum forming;
FIG. 3 is a schematic view of the mounting positions of a driving pulley, a driven pulley and a belt disposed on both sides of a vacuum suction platform; reference numerals illustrate: 1. the device comprises a shell, 2, a sealing frame, 3, a pressing frame, 4, a vacuum adsorption platform, 5, a ventilation pad, 6, a convex template, 7, an L-shaped conveying belt mechanism, 8, a sliding lamp holder, 9, a transmission shaft, 10, a belt, 11, a driving belt pulley, 12, a driven belt pulley, 13, a gear, 14, a rack, 15, a connecting rod, 16, a supporting rod, 17, an electric heating pipe unit, 18, a vertical sliding block, 19, a vertical sliding rail, 20, a lifting rod, 21, a vacuumizing device, 22, an air pipe, 23, a heat insulation reflecting film, 24, a heat preservation cover, 25, a telescopic air bag, 26, a pressing plate, 27, a driving cylinder, 28, a one-way air inlet valve, 29, an air hole, 30, an electromagnetic air outlet valve, 31, a spraying plate, 32, an air pipe, 33, a cold air pipe, 34, a concave template, 35, a magnetic lock, 36 and an air pressure temperature sensor.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
referring to fig. 1: the vacuum plastic sucking machine for forming plastic sucking box in this embodiment 1 includes a casing 1 and a sheet heating device, a sealing frame 2 is provided on the casing 1, a pressing frame 3 for pressing plastic sucking sheet is provided above the sealing frame 2, the pressing frame 3 is connected with a pressing mechanism, a vacuum adsorption platform 4 is connected in a sealing sliding manner in the sealing frame 2, a ventilation pad 5 and a male die plate 6 are placed on the vacuum adsorption platform 4, a gas circuit is provided in the vacuum adsorption platform 4, the gas circuit is connected with a vacuum pumping device, a gas hole communicated with the upper surface of the vacuum adsorption platform 4 is provided on the gas circuit, a lifting driving mechanism is provided between the vacuum adsorption platform 4 and the casing 1, the sheet heating device includes an L-shaped conveying belt mechanism 7, a sliding lamp holder 8 and an electric heating pipe unit 17, the L-shaped conveying belt mechanism 7 comprises a rack 14, a gear 13, a transmission shaft 9 and two groups of driving pulleys 11, driven pulleys 12 and belts 10 which are respectively arranged on two sides of the vacuum adsorption platform, the lifting driving mechanism is connected with the rack 14, the rack 14 is meshed with the gear 13, the gear 13 is fixedly connected to the transmission shaft 9, the transmission shaft 9 is fixedly connected with the driving pulleys 11, the driven pulleys 12 and the transmission shaft 9 are all rotatably mounted on a shell, the driving pulleys 11 and the driven pulleys 12 are fixedly mounted with the belts 10, the belts 10 are provided with horizontal sections and vertical sections, a row of sliding lamp holders 8 are fixedly mounted on the belts 10, and electric heating pipe units 17 are fixedly mounted on the sliding lamp holders 8.
Working principle: when the vacuum adsorption device is used, the ventilation pad 5 and the male die plate 6 are placed on the vacuum adsorption platform 4, then the vacuum adsorption platform 4 is controlled to descend below the sealing frame 2 through the lifting driving mechanism, then the plastic suction sheet is placed on the upper side of the sealing frame 2, and the cylinder of the compressing mechanism drives the compressing frame 3 to rotate anticlockwise, so that the plastic suction sheet is compressed and fixed. Then the lifting driving mechanism drives the gear 13 to rotate through the rack 14 to drive the driving belt pulley 11 on the transmission shaft 9 to rotate clockwise, the belt 10 transfers the electric heating pipe unit 17 to the upper part of the vacuum adsorption platform 4, the electric heating pipe unit 17 is electrified to heat and soften the upper plastic sucking sheet, and hot air rises to contact the plastic sucking sheet, so that the heating efficiency is improved. After heating for a period of time, the sheet fully softens, the lifting driving mechanism drives the vacuum adsorption platform 4 and the rack 14 to rise, drives the driving belt pulley 11 on the transmission shaft 9 to rotate anticlockwise, the belt 10 transfers the electric heating pipe unit 17 to the side of the vacuum adsorption platform 4, the rack 14 is separated from the gear, the lifting driving mechanism continues to control the vacuum adsorption platform 4 to rise and be matched with the sealing frame 2 in a sliding sealing manner, the male die plate 6 jacks up the sheet, then the vacuumizing device is started, hot air between the vacuum adsorption platform 4 and the sheet is pumped away, the sheet is fully attached and adsorbed to the male die plate 6, then the sheet is cooled to realize plastic sucking molding, the vacuumizing device is closed, the air cylinder of the compressing mechanism drives the compressing frame 3 to rotate clockwise to be opened, and then the product can be taken down for subsequent cutting.
The lifting driving mechanism comprises a lifting rod 20, a fixed seat is fixedly connected to the telescopic end of the lifting rod 20, the fixed seat is connected with a connecting rod 15, the connecting rod 15 is fixedly connected with the upper end of a rack 14, the lower end of the rack 14 is fixedly connected with a supporting rod 16, the supporting rod 16 is connected with a vertical sliding block 18, the vertical sliding block 18 is connected with a vertical sliding rail 19, and the vertical sliding rail 19 is fixedly connected with the wall of the lifting rod 20. The vertical sliding block 18 and the vertical sliding rail 19 can enable the rack 14 to be lifted more stably, and are not easy to damage.
The diameter of the driving pulley 11 is larger than that of the gear 13, and the transmission ratio of the driving pulley 11 to the driven pulley 12 is smaller than 1. The transmission ratio is the ratio of the angular speed or the rotating speed of a starting end driving wheel to a terminal end driven wheel in a mechanical transmission system. The transmission ratio is smaller than 1, namely the rotation speed of the driving wheel is slower than that of the driven wheel, so that the speed is increased, and the electric heating pipe unit 17 can be paved on or retracted from the vacuum adsorption platform 4 more quickly by utilizing a shorter lifting distance.
The bottoms of the sliding lamp holders 8 are fixedly provided with heat-insulating reflecting films 23. When the electric heating pipe unit 17 is transferred to the upper part for heating, the heat-insulating reflective film 23 is positioned below the electric heating pipe unit, and an aluminized film with high reflectivity is arranged on the surface of the heat-insulating reflective film 23 and used for reflecting heat radiation to the sheet, so that the heating efficiency of the sheet is improved, and overheating of the convex mold plate 6 is avoided.
Embodiment 3, on the basis of embodiment 1, the casing 1 is rotatably provided with a thermal insulation cover 24, the top of the thermal insulation cover 24 is provided with a telescopic airbag 25, the top of the telescopic airbag 25 is provided with a pressing plate 26, a driving cylinder 27 is arranged between the pressing plate 26 and the thermal insulation cover 24, the driving cylinder 27 is connected with a pneumatic control system, the side wall of the thermal insulation cover 24 is provided with a one-way air inlet valve 28, and the thermal insulation cover 24 and the pressing plate 26 are respectively provided with an air vent 29 and an electromagnetic air outlet valve 30 which are communicated with the inside of the telescopic airbag 25.
Through the technical scheme, the heat preservation cover 24 can play the heat preservation effect on the sheet after being covered, power consumption is reduced, after the sheet is subjected to plastic suction molding, the pneumatic control system controls the driving air cylinder 27 to jack up the pressing plate 26, the volume of the telescopic air bag 25 is driven to be increased, the internal pressure of the telescopic air bag 25 is reduced, thereby hot air in the heat preservation cover 24 is sucked into the telescopic air bag 25 through the air holes 29, external cold air is sucked into the heat preservation cover 24 through the one-way air inlet valve 28 for replacement, then the electromagnetic air outlet valve 30 is opened, the driving air cylinder 27 is controlled to press down the pressing plate 26, the volume of the telescopic air bag 25 is driven to be reduced, the internal pressure of the telescopic air bag 25 is increased, thereby hot air is discharged from the electromagnetic air outlet valve 30, the air cooling heat dissipation on the sheet can be realized after the electromagnetic air outlet valve 30 is closed for a plurality of times, the effect of cooling molding the sheet is improved, the sheet is not too hot after the heat preservation cover 24 is opened, and workers are not easy to scald.
A spray plate 31 is fixedly arranged below the heat preservation cover 24, a gas pipe 32 is arranged between the spray plate 31 and the one-way gas inlet valve 28, and a cold gas pipe 33 is externally connected to the one-way gas inlet valve 28. The cold air pipe 33 is internally provided with low-temperature air, the spraying plate 31 positioned in the center can uniformly spray the low-temperature air on the sheet, the refrigerating efficiency of the sheet is improved, the hot air replacement effect is better, and the hot air is not easy to be directly sucked into the telescopic air bag 25 after the unidirectional air inlet valve 28 enters.
The lower side of the spray plate 31 is fixed with a female die plate 34, and the lower surface of the female die plate 34 is provided with spray holes communicated with the inside of the spray plate 31. The lower surface of the concave template 34 is provided with a concave cavity which can be matched with the shape of the plastic sucking box, so that the cold air flowing out of the spraying holes can realize uniform cooling of the material.
A magnetic lock 35 is arranged between the shell 1 and the heat-preserving cover 24, an air pressure temperature sensor 36 is arranged on the inner wall of the heat-preserving cover 24, and the air pressure temperature sensor 36, the magnetic lock 35, the pneumatic control system and the electromagnetic exhaust valve 30 are electrically connected with the control module. After the magnetic lock 35 is electrified, the heat preservation cover 24 can be sucked and locked on the shell 1, so that in the vacuum plastic sucking process, the electromagnetic exhaust valve 30 can be closed firstly, then the driving cylinder 27 is operated to press down the pressing plate 26, the volume of the telescopic airbag 25 is driven to be reduced, the internal pressure of the telescopic airbag 25 is increased, sheets are pressed onto the male die plate 6 by high pressure, and the forming quality of the plastic sucking box is improved. The air pressure and temperature sensor 36 can detect the air pressure and temperature inside the thermal insulation cover 24, and control the process parameters of the plastic suction box molding conveniently. After the product is formed, the magnetic lock 35 is powered off, and a worker can open the heat-insulating cover 24 to take out the product.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the invention.
Claims (8)
1. The utility model provides a be used for fashioned vacuum plastic uptake machine of plastic uptake box, includes casing (1) and sheet heating device, is equipped with sealed frame (2) on casing (1), and sealed frame (2) top is equipped with and is used for compressing tightly plastic uptake sheet compress tightly frame (3), compresses tightly frame (3) and connects hold-down mechanism, sealed sliding connection has vacuum adsorption platform (4) in sealed frame (2), places ventilative pad (5) and punch plate (6) on vacuum adsorption platform (4), is equipped with the gas circuit in vacuum adsorption platform (4), and evacuating device is connected to the gas circuit, is equipped with the gas pocket of intercommunication vacuum adsorption platform (4) upper surface on the gas circuit, is equipped with elevating drive mechanism between vacuum adsorption platform (4) and casing (1), its characterized in that: the sheet heating device comprises an L-shaped conveying belt mechanism (7), a sliding lamp holder (8) and an electric heating pipe unit (17), the L-shaped conveying belt mechanism (7) comprises a rack (14), a gear (13), a transmission shaft (9) and two groups of driving pulleys (11), driven pulleys (12) and belts (10) which are respectively arranged on two sides of a vacuum adsorption platform, the lifting driving mechanism is connected with the rack (14), the rack (14) is meshed with the connecting gear (13), the gear (13) is fixedly connected to the transmission shaft (9), the transmission shaft (9) is fixedly connected with the driving pulleys (11), the driving pulleys (11) and the transmission shaft (9) are all rotatably mounted on a shell, the driving pulleys (11) and the driven pulleys (12) are fixedly provided with belts (10), the belts (10) are provided with horizontal sections and vertical sections, the sliding lamp holders (8) of one row are fixedly mounted on the belts (10), and the electric heating pipe unit (17) is fixedly mounted on the sliding lamp holder (8).
2. A vacuum molding machine for molding a plastic suction box according to claim 1, wherein: the lifting driving mechanism comprises a lifting rod (20), a fixed seat is fixedly connected to the telescopic end of the lifting rod (20), a connecting rod (15) is connected to the fixed seat, the connecting rod (15) is fixedly connected to the upper end of a rack (14), the lower end of the rack (14) is fixedly connected with a supporting rod (16), the supporting rod (16) is connected with a vertical sliding block (18), the vertical sliding block (18) is connected with a vertical sliding rail (19), and the vertical sliding rail (19) is fixedly connected with the cylinder wall of the lifting rod (20).
3. A vacuum molding machine for molding a plastic suction box according to claim 1, wherein: the bottoms of the sliding lamp holders (8) are fixedly provided with heat insulation reflecting films (23) together.
4. A vacuum molding machine for molding a plastic suction box according to claim 1, wherein: the diameter of the driving pulley (11) is larger than that of the gear (13), and the transmission ratio of the driving pulley (11) to the driven pulley (12) is smaller than 1.
5. A vacuum molding machine for molding a plastic suction box according to claim 1, wherein: the heat preservation shroud (24) is installed in the last rotation of casing (1), and heat preservation shroud (24) top is equipped with flexible gasbag (25), and flexible gasbag (25) top is equipped with presses board (26), is equipped with between pressing board (26) and heat preservation shroud (24) and drives cylinder (27), and pneumatic control system is connected to drive cylinder (27), is equipped with one-way admission valve (28) on the lateral wall of heat preservation shroud (24), is equipped with bleeder vent (29) and electromagnetic exhaust valve (30) inside intercommunication flexible gasbag (25) on heat preservation shroud (24) and the pressing board (26) respectively.
6. A vacuum forming machine for forming a plastic suction box according to claim 5, wherein: the lower part of the heat preservation shroud (24) is fixedly provided with a spray plate (31), a gas pipe (32) is arranged between the spray plate (31) and the one-way gas inlet valve (28), and the one-way gas inlet valve (28) is externally connected with a cold gas pipe (33).
7. A vacuum forming machine for forming a plastic suction box according to claim 6, wherein: the lower side of the spray plate (31) is fixed with a female die plate (34), and the lower surface of the female die plate (34) is provided with spray holes communicated with the interior of the spray plate (31).
8. A vacuum forming machine for forming a plastic suction box according to claim 5, wherein: a magnetic lock (35) is arranged between the shell (1) and the heat preservation cover (24), an air pressure temperature sensor (36) is arranged on the inner wall of the heat preservation cover (24), and the air pressure temperature sensor (36), the magnetic lock (35), the pneumatic control system and the electromagnetic exhaust valve (30) are electrically connected to the control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310857393.7A CN116728754A (en) | 2023-07-12 | 2023-07-12 | Vacuum plastic sucking machine for forming plastic sucking box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310857393.7A CN116728754A (en) | 2023-07-12 | 2023-07-12 | Vacuum plastic sucking machine for forming plastic sucking box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116728754A true CN116728754A (en) | 2023-09-12 |
Family
ID=87904574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310857393.7A Pending CN116728754A (en) | 2023-07-12 | 2023-07-12 | Vacuum plastic sucking machine for forming plastic sucking box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116728754A (en) |
-
2023
- 2023-07-12 CN CN202310857393.7A patent/CN116728754A/en active Pending
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