CN213382951U

CN213382951U - Waste heat utilization device of plastic suction machine

Info

Publication number: CN213382951U
Application number: CN202021811041.6U
Authority: CN
Inventors: 张典岭
Original assignee: Tianjin Jinrong Tiancheng Technology Co ltd
Current assignee: Tianjin Jinrong Tiancheng Technology Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-06-08
Anticipated expiration: 2030-08-26

Abstract

A waste heat utilization device of a plastic uptake machine comprises a heat collection cover, a fan, an air pipe, a rectifying plate, an air return opening, an air return pipe, a three-way air pipe, a cold air pipe, an evaporator, a copper pipe, an expansion valve, a compressor, a refrigerant and a raw material preheating device. The utility model discloses a thermal-arrest cover, the fan is concentrated fast with the heat of plastic uptake machine during operation dissipation, absorb the heat through the evaporimeter, reduce the temperature of hot-air, discharge through the cold-blast main, provide nice and cool comfortable operational environment for operating personnel, and because ambient temperature reduces relatively, plastic uptake machine and ambient air temperature difference in temperature increase, the radiating speed of plastic uptake machine has been accelerated, can make the plastic uptake machine keep at a relatively reasonable temperature, increase of service life, return air pipe and cowling panel can make the air at evaporimeter department secondary cycle and do not influence the hot-air flow that is sent into by the fan after, the evaporimeter secondary heat absorption, the heat absorbs more thoroughly, the heat is sent the condenser through the refrigerant and is exothermic, the heat of giving out preheats the raw materials.

Description

Waste heat utilization device of plastic suction machine

Technical Field

The utility model relates to a waste heat utilization device especially relates to a plastic uptake machine waste heat utilization device.

Background

The plastic sucking machine is also called a thermoplastic forming machine, and is a machine for sucking and manufacturing thermoplastic plastic coiled materials such as PVC, PE, PP, PET, HIPS and the like which are plasticized by heating into high-grade products such as packing decorative boxes, frames and the like with various shapes. 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.

Generally baking by using an electric heating furnace in the heating process, wherein heat is dissipated, and the plastic suction machine is made of metal materials and has good heat conductivity, so that the heat dissipation is conducted into the plastic suction machine and further dissipated into ambient air, and the heat dissipation is more serious, statistically, under the condition that the heating temperature of the sheet is 200 ℃, 2/3 heat is dissipated into the ambient environment of the machine, and the existing plastic suction machine basically does not process the heat dissipation of the part of the heat dissipation, and then dissipates the part of the heat, so that the energy is wasted; the heat dissipated in the plastic-absorbing machine enables the plastic-absorbing machine to be at a higher temperature for a long time, the service life of the plastic-absorbing machine is shortened, related manufacturers install exhaust hoods on the plastic-absorbing machine, the temperature of the plastic-absorbing machine is reduced through simple enhancement of air circulation, the initial stage is slightly successful, the time is long, the heat dissipated outwards through the plastic-absorbing machine enables the ambient air temperature of the plastic-absorbing machine to be increased, the air temperature in a workshop is integrally increased, the mode cannot achieve an ideal heat dissipation effect, the operating environment of an operator is worse, and the physical health of the operator is affected.

Disclosure of Invention

According to the technical problems, the utility model provides a waste heat utilization device of a plastic uptake machine, which comprises a heat collecting cover, a fan, an air pipe, a rectifying plate, an air return inlet, an air return pipe, a three-way air pipe, a cold air pipe, an evaporator, a copper pipe, an expansion valve, a compressor, a refrigerant and a raw material preheating device, the heat collection cover is arranged right above the plastic sucking machine, a fan is arranged behind the heat collection cover, an air outlet of the fan is connected with an air pipe, the side surface of the tail end of the air pipe is sequentially provided with a rectifying plate and an air return inlet, the tail end of the air pipe is provided with an evaporator, a three-way air pipe is arranged behind the evaporator, two outlets of the three-way air pipe are respectively connected with one end of the return air pipe and one end of the cold air pipe, the other end of the air return pipe is arranged on the air return port, the other end of the cold air pipe is arranged on the periphery of the plastic absorber, and two copper pipes are respectively led out of the evaporator and connected with the raw material preheating device;

raw materials preheating device includes basic support, condenser, material roller support frame, upper bracket, bearing, insulating layer, the basic support is fixed subaerial, install the condenser support on the basic support, condenser support semi-cylindrical support, be equipped with the condenser in the condenser support, one of them copper pipe of drawing forth by the evaporimeter is connected through the export of expansion valve with the condenser, and another copper pipe of drawing forth by the evaporimeter is connected with the entry of condenser through the compressor, the intermediate position of condenser support is equipped with the material roller support frame, one side top of condenser support is equipped with the upper bracket, the upper bracket realizes rotating with the one end of condenser support through the bearing and is connected, condenser support lower part, upper bracket upper portion all cover and have the insulating layer.

Furthermore, the three-way air pipe is of a Y-shaped structure, the return air pipe is connected with an upper branch port of the three-way air pipe, and the cold air pipe is connected with a lower branch port of the three-way air pipe.

Further, the refrigerant is an environment-friendly refrigerant.

Furthermore, the cross section of the condenser bracket is of a semicircular structure.

Furthermore, the cross section of the upper bracket is of a quarter-ring structure.

The utility model has the advantages that: the utility model relates to a plastic uptake machine waste heat utilization device, the heat that dissipates when the plastic uptake machine works is concentrated fast through the heat collecting cover, the fan, absorb the heat through the evaporimeter, reduce the temperature of hot-air, discharge through the cold-blast main, provide nice and cool comfortable operational environment for operating personnel, and because the ambient temperature reduces relatively, the plastic uptake machine increases with the ambient air temperature difference, the speed of plastic uptake machine heat dissipation has been accelerated, can make the plastic uptake machine keep at a relatively reasonable temperature, prolong service life, return air pipe and cowling panel can make the air in evaporimeter department secondary circulation and do not influence the hot-air flow that is sent into by the fan after, the evaporimeter secondary absorbs heat, the heat absorbs more thoroughly, the heat is sent to the condenser through the refrigerant and is released heat, the heat that emits preheats the raw materials, semicircular condenser support and the upper bracket and the design of quarter ring and insulating layer, the heat emitted by the condenser is not easy to dissipate, the preheating effect is better, the raw material absorbs less heat when entering the electric heating furnace in the plastic sucking machine, and the thermoplastic standard can be achieved, namely, the power of the electric heating furnace can be properly reduced, the energy is saved, and the cost is saved.

Drawings

FIG. 1 is a view of the main structure of the present invention;

FIG. 2 is a structural diagram of the raw material preheating device of the present invention;

fig. 3 is a left side view of the raw material preheating device of the present invention in a state without a heat insulation layer.

As shown in the figure, the heat collecting cover-1, the fan-2, the air pipe-3, the rectifying plate-4, the return air inlet-5, the return air pipe-6, the three-way air pipe-7, the cold air pipe-8, the evaporator-9, the copper pipe-10, the expansion valve-11, the compressor-12, the refrigerant-13, the raw material preheating device-14, the basic bracket-1401, the condenser bracket-1402, the condenser-1403, the material roller supporting frame-1404, the upper bracket-1405, the bearing-1406, the heat insulating layer-1407, the plastic absorbing machine-15, the material roller-16 and the sheet-17.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings: the utility model relates to a plastic uptake 15 waste heat utilization device, which comprises a heat collecting cover 1, a fan 2, an air pipe 3, a rectifying plate 4, a return air inlet 5, a return air pipe 6, a three-way air pipe 7, a cold air pipe 8, an evaporator 9, an expansion valve 11, a compressor 12, a refrigerant 13 and a raw material preheating device 14, wherein the heat collecting cover 1 is arranged right above the plastic uptake 15, the fan 2 is arranged behind the heat collecting cover 1, the air outlet of the fan 2 is connected with the air pipe 3, the side surface of the tail end of the air pipe 3 is sequentially provided with the rectifying plate 4 and the return air inlet 5, the evaporator 9 is arranged at the tail end of the air pipe 3, the three-way air pipe 7 is arranged behind the evaporator 9, two outlets of the three-way air pipe 7 are respectively connected with one end of the return air pipe 6 and one end of the cold air pipe 8, the other end of the return air pipe, two evaporators 9 are respectively led out of the evaporators 9 and are connected with a raw material preheating device 14;

the raw material preheating device 14 comprises a base support 1401, a condenser support 1402, a condenser 1403, a material roller 16 support 1404, an upper support 1405, a bearing 1406 and a heat insulation layer 1407, wherein the base support 1401 is fixed on the ground, the condenser support 1402 is installed on the base support 1401, the condenser support 1402 is a semi-cylindrical support, the condenser 1403 is arranged in the condenser support 1402, one evaporator 9 led out from an evaporator 9 is connected with an outlet of the condenser 1403 through an expansion valve 11, the other evaporator 9 led out from the evaporator 9 is connected with an inlet of the condenser 1403 through a compressor 12, the material roller 16 support 1404 is arranged in the middle of the condenser support 1402, the upper support 1405 is arranged at the top of one side of the condenser support 1402, the upper support 1405 is rotatably connected with one end of the condenser support 1402 through the bearing 1406, and the lower part of the condenser support 1402 is rotatably connected with the bearing, The upper part of the upper support 1405 is covered with a heat insulation layer 1407.

Furthermore, the three-way air pipe 7 is of a Y-shaped structure, the return air pipe 6 is connected with an upper branch port of the three-way air pipe 7, and the cold air pipe 8 is connected with a lower branch port of the three-way air pipe 7.

Further, the refrigerant 13 is an environment-friendly refrigerant 13.

Further, the cross section of the condenser support 1402 is a semicircular ring structure.

Further, the cross section of the upper bracket 1405 is a quarter ring structure.

The working principle is as follows: when the device is used, a power supply is turned on, the fan 2 and the compressor 12 are started, the fan 2 sends hot air around the plastic suction machine 15 to the air pipe 3 through the heat collection cover 1, the hot air passes through the evaporator 9 and is absorbed by the evaporator 9, the temperature is reduced, cold air enters the three-way air pipe 7 and is divided into two paths through the three-way air pipe 7, one path of the cold air directly enters the cold air pipe 8 and is sent to the periphery of the plastic suction machine 15, the cold air is relatively comfortable and suitable for manufacturing the environment temperature for operators and the plastic suction machine 15, the other path of the return air pipe 6 returns to the air pipe 3 and absorbs heat through the evaporator 9 again, after multiple cycles, all hot air entering the air pipe 3 can be cooled for more than two times, the heat absorption is more thorough, and the rectifying plate 4 ensures that the flow of subsequent hot;

the heat in the hot air is absorbed by the evaporator 9, and transferred to the condenser 1403 of the raw material preheating device 14 by using the refrigerant 13 as a carrier to release heat: the refrigerant 13 is absorbed and evaporated by the evaporator 9 and then changed into low-temperature low-pressure gas, passes through the evaporator 9, is compressed by the compressor 12 and then changed into high-temperature high-pressure gas, is released heat by the condenser 1403 and then changed into medium-temperature high-pressure liquid, passes through the expansion valve 11, the air pressure in the evaporator 9 is reduced, the refrigerant 13 is changed into low-temperature low-pressure liquid, and is changed into low-temperature low-pressure gas after absorbing heat by the evaporator 9, and the cycle is repeated. The above is the application of the basic principle of carnot cycle, and belongs to the common knowledge.

The condenser support 1402 of the raw material preheating device 14 is a semi-cylindrical support, the condenser 1403 is arranged in the semi-cylindrical support, heat is collected, the support frame 1404 for supporting the material roller 16 is arranged in the semi-cylindrical support, the upper support 1405 is further arranged on the condenser support 1402, the upper support 1405 is covered with the heat insulation layer 1407, the condenser 1403 is placed to dissipate heat, and the raw material preheating time is longer.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. A plastic uptake machine waste heat utilization device is characterized by comprising a heat collection cover, a fan, air pipes, a rectifying plate, an air return port, an air return pipe, a three-way air pipe, a cold air pipe, an evaporator, copper pipes, an expansion valve, a compressor, a refrigerant and a raw material preheating device, wherein the heat collection cover is arranged right above the plastic uptake machine;

2. The waste heat utilization device of the plastic uptake machine as claimed in claim 1, wherein the three-way air duct is of a "Y" shape, and the return air duct is connected to the upper branch port of the three-way air duct, and the cold air duct is connected to the lower branch port of the three-way air duct.

3. The waste heat utilization device of a vacuum molding machine as claimed in claim 1, wherein the refrigerant is an environmentally friendly refrigerant.

4. The waste heat utilization device of the plastic uptake machine as claimed in claim 1, wherein the cross section of the condenser bracket is a semicircular ring structure.

5. The waste heat utilization device of the plastic uptake machine as claimed in claim 1, wherein the upper frame has a quarter-ring structure in cross section.