CN213261049U

CN213261049U - Long-life thermal-insulated type plastic uptake machine

Info

Publication number: CN213261049U
Application number: CN202021871426.1U
Authority: CN
Inventors: 李清华; 李贝海
Original assignee: Yangzhou Tuobo Plastic Industry Co Ltd
Current assignee: Yangzhou Tuobo Plastic Industry Co Ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-05-25
Anticipated expiration: 2030-08-31

Abstract

Long-life thermal-insulated type plastic uptake machine. Relates to the technical field of plastic uptake machines. Reasonable structure and can effectively avoid energy waste. The semi-finished product cutting device comprises a feeding device, a heating device, a vacuum forming device and a semi-finished product cutting device, wherein heat insulation devices are sleeved outside the heating device and the vacuum forming device, each heat insulation device comprises a first heat insulation sleeve and a second heat insulation sleeve, and a gap is formed between the first heat insulation sleeve and the second heat insulation sleeve; a plurality of first fans are arranged in the gaps at the right lower corner of the inner side of the second heat insulation sleeve, an air outlet channel of each first fan faces the right upper corner of the inner side of the second heat insulation sleeve, and an air inlet channel of each first fan faces the left lower corner of the inner side of the second heat insulation sleeve; the right side outer wall of the first heat insulation sleeve is provided with a plurality of through holes, the left side inner wall of the first heat insulation sleeve is provided with a pair of supports, the supports are provided with blast pipes, and the left side outer wall of the blast pipe is provided with an air inlet connected with a second fan and an air outlet of the right side outer wall facing the heating device and the vacuum forming device.

Description

Long-life thermal-insulated type plastic uptake machine

Technical Field

The utility model relates to a plastic uptake machine technical field, concretely relates to thermal-insulated type plastic uptake machine of long-life.

Background

The plastic sucking machine, also called thermoplastic forming machine, is a machine for sucking the heated and plasticized PVC, PE, PP, PET, HIPS and other thermoplastic plastic coiled materials into various shapes of high-grade packing boxes, frames and other products. The thermoplastic plastic sheets such as PVC, PET and the like which are heated and softened are subjected to vacuum forming by a mould into vacuum covers, plastic trays, bubble shells and the like with various shapes by utilizing vacuum suction force generated by a vacuum pump.

In the prior art, the plastic uptake machine production line mainly includes loading attachment, heating device, vacuum forming device and semi-manufactured goods cutting device, and these equipment generally directly simply place in the factory building, and the heat that heating device produced has a large amount of losses, has wasted the energy, moreover, in order to under the serious condition of unnecessary heat dissipation, maintain the required temperature of heating, heating device need last high load operation, has reduced its life.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a heat-insulating type plastic uptake machine with long service life, which is reasonable in structure and can effectively avoid energy waste.

The utility model discloses a following technical scheme realizes: the long-life heat insulation type plastic uptake machine comprises a feeding device, a heating device, a vacuum forming device and a semi-finished product cutting device, wherein the heat insulation device is sleeved outside the heating device and the vacuum forming device and comprises a first heat insulation sleeve and a second heat insulation sleeve which are sequentially arranged from inside to outside, and a gap is formed between the first heat insulation sleeve and the second heat insulation sleeve;

a plurality of first fans which are arranged at intervals along the depth direction of the second heat insulation sleeve are arranged in the gaps at the lower right corner of the inner side of the second heat insulation sleeve, an air outlet channel of each first fan faces the upper right corner of the inner side of the second heat insulation sleeve, and an air inlet channel of each first fan faces the lower left corner of the inner side of the second heat insulation sleeve;

the air-blowing type vacuum forming device is characterized in that a plurality of through holes are formed in the outer wall of the right side of the first heat insulation sleeve, a pair of supports are arranged on the inner wall of the left side of the first heat insulation sleeve, a blowing pipe is arranged on each support, and an air inlet connected with a second fan and an air outlet, facing the heating device, of the outer wall of the right side of the blowing pipe are formed in the outer wall of the left side of the.

A plurality of hemispherical cover bodies which are in one-to-one correspondence with the through holes are arranged on the outer wall of the right side of the first heat insulation sleeve, and through holes which are coaxial with the through holes are arranged on the outer wall of each cover body;

the outer diameters of the cover bodies are gradually increased from bottom to top, and the maximum outer diameter of the cover bodies is smaller than the width of the gap.

The second fan is provided with a first air inlet pipe and a second air inlet pipe, the first air inlet pipe is positioned in the first heat insulation sleeve, the second air inlet pipe penetrates through the first heat insulation sleeve and the second heat insulation sleeve and extends to the outside of the second heat insulation sleeve, and the second air inlet pipe is provided with a first valve;

and a radiating pipe which is communicated with the gap and is provided with a second valve is arranged on the outer wall of the top of the second heat insulation sleeve.

Compared with the prior art, the utility model forms a circular airflow in the anticlockwise direction in the gap through the matching of the first fan and the second fan during the work, and reduces the heat loss by utilizing the characteristic of poor heat conductivity of the air; meanwhile, through the matching of the second air inlet pipe of the second fan and the radiating pipe, cold air is introduced to discharge hot air, so that the temperature in the first heat insulation sleeve and the gap is reduced, the temperature is reasonably controlled, the heat loss is reduced, and the service life of the plastic uptake machine is prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the thermal insulation apparatus;

in the figure: 1. a feeding device; 2. a heating device; 3. a vacuum forming device; 4. a semi-finished product cutting device;

5. a thermal insulation device; 51. a first insulating sleeve; 511. a through hole; 512. a support; 513. a cover body; 514. perforating; 52. a second insulating sleeve; 53. a gap; 54. a first fan; 541. an air outlet channel; 542. an air inlet duct; 55. a blast pipe; 551. an air inlet; 552. an air outlet; 56. a second fan; 561. a first air inlet pipe; 562. a second air inlet pipe; 563. a first valve; 57. a radiating pipe; 570. a second valve; 58. support the feet.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1-2, the long-life heat insulation type vacuum molding machine includes a feeding device 1, a heating device 2, a vacuum forming device 3 and a semi-finished product cutting device 4, wherein heat insulation devices 5 are sleeved outside the heating device 2 and the vacuum forming device 3, the heat insulation devices 5 include a first heat insulation sleeve 51 and a second heat insulation sleeve 52 which are sequentially arranged from inside to outside, supporting legs are respectively arranged at the bottoms of the heating device 2 and the vacuum forming device 3, and the supporting legs sequentially penetrate through the bottom of the first heat insulation sleeve 51 and the bottom of the second heat insulation sleeve 52 and are pressed on the ground;

a gap 53 is formed between the first heat insulation sleeve 51 and the second heat insulation sleeve 52;

a plurality of first fans 54 arranged at intervals along the depth direction of the second heat insulation sleeve 52 are arranged in the gap 53 at the lower right corner of the inner side of the second heat insulation sleeve 52, an air outlet channel 541 of each first fan 54 faces the upper right corner of the inner side of the second heat insulation sleeve 52, and an air inlet channel 542 of each first fan 54 faces the lower left corner of the inner side of the second heat insulation sleeve 52;

the right outer wall of the first heat insulation sleeve 51 is provided with a plurality of through holes 511, the left inner wall of the first heat insulation sleeve 51 is provided with a pair of brackets 512, each bracket 512 is provided with a blast pipe 55, the left outer wall of the blast pipe 55 is provided with an air inlet 551 connected with a second fan 56, and an air outlet 552 facing the heating device 2 and the vacuum forming device 3. The second fan 56 works to blow air into the blast pipe 55, the air is discharged from the air outlet 552 after the flow velocity of the air is stabilized by the blast pipe 55 and is blown to the heating device 2 and the thermoforming device, and then is discharged into the gap 53 from the through hole 511, the air outlet channel 541 of the first fan 54 faces to the inner upper right corner of the second heat insulating sleeve 52, namely, faces to the through hole 511, and the air inlet channel 542 of the first fan 54 faces to the lower left corner, so that the hot air discharged through the through hole 511 can be blown to the top of the gap 53 and further rotates counterclockwise in the gap 53, so that the gap 53 is always filled with circulating hot air flow, an air jacket is formed between the heating device 2 and the thermoforming device 3, the heat loss of the heating device 2 is greatly reduced due to poor heat conductivity of the air, the structure is reasonable, the energy is saved, and the service life of the heating device 2 is prolonged; in the earlier stage that the plastic uptake machine began work, be colder gas in first radiation shield 51 and the clearance 53, need preheat, like this, can prevent that the cold wind that the second air-blower was bloated when initial from blowing to interfering its normal work behind heating device 2 and the true forming device, treat that whole temperature promotes the back, the wind temperature that the second air-blower was bloated is higher, can assist heating device 2 and the unnecessary heat of vacuum forming device 3 discharge, prevents that the heat from piling up and causing the heating temperature too high.

A plurality of hemispherical cover bodies 513 which are in one-to-one correspondence with the through holes 511 are arranged on the outer wall of the right side of the first heat insulation sleeve 51, and through holes 514 which are coaxial with the through holes 511 are arranged on the outer wall of each cover body 513;

the outer diameters of the plurality of covers 513 are gradually increased from bottom to top, and the maximum outer diameter of each cover 513 is smaller than the width of the gap 53. The cover body 513 is arranged to change the width of the right gap 53, so that the speed of the air flow blown out by the first fan 54 is changed, and the smaller the distance is, the faster the speed is, the smaller the corresponding pressure is, in general, the pressure at the plurality of through holes 514 is gradually reduced from bottom to top, so that the pressure at the plurality of through holes 511 from top to bottom is gradually increased, and thus, the wind attenuation caused by the upward blowing of the first fan 54 is reduced, the air outlet quantity at the plurality of through holes 511 reaches a relatively balanced state, and the stable and uniform discharge of the air in the first heat insulation sleeve 51 is ensured, and the accumulation of heat is avoided.

A first air inlet pipe 561 and a second air inlet pipe 562 are arranged on the second fan 56, the first air inlet pipe 561 is located in the first heat insulation sleeve 51, the second air inlet pipe 562 penetrates through the first heat insulation sleeve 51 and the second heat insulation sleeve 52 and extends to the outside of the second heat insulation sleeve 52, and a first valve 563 is arranged on the second air inlet pipe 562;

the top outer wall of the second heat insulation sleeve 52 is provided with a heat radiation pipe 57 which is communicated with the gap 53 and is provided with a second valve 570. The first valve 563 and the second valve 570 are normally closed, and the second fan 56 supplies air through the first air inlet pipe 561. When the heat loss of the air in the gap 53 is smaller than the heat increment discharged by the heating device 2, the temperature of the air in the gap 53 is increased, and finally the whole temperature is overhigh, at this time, the first valve 563 and the second valve 570 are opened, so that the cooler new air is introduced from the second air inlet pipe 562, the hotter old air is discharged by the radiating pipe 57, the radiating effect is achieved, and the normal operation of the heating device 2 and the vacuum forming device 3 is prevented from being influenced by the overhigh temperature; the air inflow of the first valve 563 and the air outflow of the second valve 570 are reasonably controlled, so that the temperature is prevented from being reduced too fast.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. Thermal-insulated type plastic uptake machine of long-life, including loading attachment, heating device, vacuum forming device and semi-manufactured goods cutting device, its characterized in that: the heating device and the vacuum forming device are externally sleeved with a heat insulation device, the heat insulation device comprises a first heat insulation sleeve and a second heat insulation sleeve which are sequentially arranged from inside to outside, and a gap is formed between the first heat insulation sleeve and the second heat insulation sleeve;

2. The long life thermal insulation type vacuum molding machine according to claim 1, characterized in that: a plurality of hemispherical cover bodies which are in one-to-one correspondence with the through holes are arranged on the outer wall of the right side of the first heat insulation sleeve, and through holes which are coaxial with the through holes are arranged on the outer wall of each cover body;

3. The long life thermal insulation type vacuum molding machine according to claim 1, characterized in that: the second fan is provided with a first air inlet pipe and a second air inlet pipe, the first air inlet pipe is positioned in the first heat insulation sleeve, the second air inlet pipe penetrates through the first heat insulation sleeve and the second heat insulation sleeve and extends to the outside of the second heat insulation sleeve, and the second air inlet pipe is provided with a first valve;