CN111168972A - Efficient energy-saving combined heating device and method - Google Patents
Efficient energy-saving combined heating device and method Download PDFInfo
- Publication number
- CN111168972A CN111168972A CN201911375123.2A CN201911375123A CN111168972A CN 111168972 A CN111168972 A CN 111168972A CN 201911375123 A CN201911375123 A CN 201911375123A CN 111168972 A CN111168972 A CN 111168972A
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- rotating shaft
- conical column
- energy
- ceramic heating
- barrel
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/84—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders by heating or cooling the feeding screws
- B29C48/845—Heating
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/46—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using vanes
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- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7158—Bottles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a high-efficiency energy-saving combined heating device, wherein a conical column (6) is arranged in a cylinder body (1), helical blades (7) are arranged on the cylindrical surface of the conical column (6) along the length direction of the conical column, a rotating shaft A (8) and a rotating shaft B (9) are respectively welded at the left end and the right end of the conical column (6), the rotating shaft A (8) and the rotating shaft B (9) are respectively and rotatably arranged in a left end cover (2) and a right end cover (3), an axial hole (10) is arranged in the rotating shaft A (8), a blind hole (11) axially arranged along the conical column (6) is formed in the conical column, the blind hole (11) is communicated with the axial hole (10), and a ceramic heating body (12) is arranged in. The invention has the beneficial effects that: compact structure, energy saving and production efficiency improvement.
Description
Technical Field
The invention relates to the technical field of plastic particle heating and melting, in particular to a high-efficiency energy-saving combined heating device and a method.
Background
The plastic bottle is a container for containing liquid, is an essential component essential to life of people, and is produced by the following steps: will be by multiple different types of plastic granules mixing stirring through the blendor, throw into extrusion heating cylinder with the mixture of misce bene again in, extrusion heating cylinder heats the mixture and melts and become molten plastics, in the piston in the extrusion heating cylinder extrudees the mould of blowing machine with molten plastics afterwards, and last blowing machine blows in pressure gas in to the mould to the plastic bottle is made in the blowing, takes out the plastic bottle from the mould at last.
The extrusion heating cylinder comprises a cylinder body, a feeding hole and a discharging hole, wherein the feeding hole and the discharging hole are respectively formed in the top and the bottom of the cylinder body, the discharging hole is connected with a pouring port of the blow molding machine mold, an induction coil is arranged outside the cylinder body, an extrusion oil cylinder is fixedly mounted outside the cylinder body, a piston rod of the extrusion oil cylinder extends into the cylinder body, a piston is welded on the acting end of the piston rod, and the piston is in sliding fit with the inner wall of the cylinder body. When the device works, the induction coil is electrified, the induction coil heats the cylinder body, and the temperature in the cylinder body rises; after a period of time, a worker adds the uniformly mixed mixture into the cylinder through the feeding hole, the mixture is heated to become molten plastic, then the piston rod of the extrusion oil cylinder is controlled to stretch out, the molten plastic is pushed out from the discharging hole by the piston, and the pushed molten plastic enters the mold through the pouring hole, so that pouring is completed.
However, such an extrusion heating cartridge has the following drawbacks: 1. the blendor needs to consume for a long time just can be with multiple granule plastics stirring, just can drop into in the barrel after the stirring, and this has undoubtedly reduced production efficiency. 2. The induction coil is arranged outside the barrel, so that the mixture at the contact position of the induction coil and the barrel is heated and melted firstly, the mixture in the middle of the barrel needs to be heated for a long time, the production efficiency is further reduced, the electric energy consumption is increased, the heat is dissipated to the outside in a large amount, and the heat is not fully utilized, so that the waste is caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a high-efficiency energy-saving combined heating device and method which are compact in structure, energy-saving and capable of improving production efficiency.
The purpose of the invention is realized by the following technical scheme: a high-efficiency energy-saving combined heating device comprises a barrel body, a left end cover and a right end cover which are fixedly arranged at the left end and the right end of the barrel body respectively, a feed inlet is arranged at the top of the barrel body, a discharge outlet is arranged at the bottom of the barrel body and is positioned at the right side of the feed inlet, a conical column is arranged in the barrel body, helical blades are arranged on the cylindrical surface of the conical column along the length direction of the conical column, a rotating shaft A and a rotating shaft B are welded at the left end and the right end of the conical column respectively, the rotating shaft A and the rotating shaft B are rotatably arranged in the left end cover and the right end cover respectively, an axial hole is arranged in the rotating shaft A, a blind hole is arranged in the conical column along the axial direction of the conical column, the blind hole is communicated with the axial hole, a ceramic heating body is arranged in the axial hole, a plurality, and the input connector of the ceramic heating body is connected with the wire contact.
An induction coil is arranged outside the cylinder body.
The spoilers are uniformly distributed on the cylinder body.
The power unit comprises a motor and a speed reducer, an input shaft of the speed reducer is connected with an output shaft of the motor through a coupler, and an output shaft of the speed reducer is connected with a rotating shaft B through a coupler.
The left end cover and the right end cover are both provided with bearings, and the rotating shaft A and the rotating shaft B are respectively arranged in the two bearings.
The rotating shaft A, the conical column and the rotating shaft B are coaxially arranged.
The input connector of the ceramic heating body extends to the left outside of the rotating shaft A, and the end face of the input connector is contacted with the wire contact.
The method for heating the mixture by the device in an efficient and energy-saving manner comprises the following steps:
s1, an operator connects the discharge port to a sprue gate on the inner mold of the blow molding machine through a pipe clamp; an operator connects a wire contact to a power supply, current is transmitted to an input connector of the ceramic heating element, the input connector transmits the current to metal tungsten in the ceramic heating element, the ceramic heating element starts to heat, the ceramic heating element transmits heat to the conical column after being heated, and the conical column transmits the heat into the cylinder;
s2, stirring various plastic particles by using a mixer, and taking out and adding the mixture into a feed inlet after stirring for a period of time;
s3, an operator turns on a motor, the torque of the motor is transmitted to a rotating shaft B after being reduced by a reducer, the rotating shaft B drives a conical column to rotate, the conical column drives a helical blade to rotate, the helical blade drives the mixture to move towards the right, and the helical blade stirs the mixture in the moving process;
s4, in step S3, the conical column heats and melts the plastic particles, the plastic particles become molten plastic after being melted, and finally the molten plastic flows out of the discharge port into the mold under the pushing of the spiral blade, so that the pouring is realized.
The invention has the following advantages: the invention realizes the heating and melting of the plastic particles under the stirring state, increases the contact area between the plastic particles and the conical column, greatly shortens the heating and melting time of the plastic particles, improves the production efficiency and also saves the consumption of electric energy. In addition, the ceramic heating body heats the mixture in the barrel, compares the tradition at the outside heating methods of barrel, and the device has avoided thermal waste, further saved the energy consumption.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a tapered column;
FIG. 3 is a schematic view of the spoiler installation;
in the figure, 1-cylinder, 2-left end cover, 3-right end cover, 4-feed inlet, 5-discharge outlet, 6-conical column, 7-helical blade, 8-rotating shaft A, 9-rotating shaft B, 10-axial hole, 11-blind hole, 12-ceramic heating element, 13-spoiler, 14-wire contact head, 15-induction coil, 16-motor, 17-speed reducer and 18-bearing.
Detailed Description
The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:
as shown in fig. 1 to 3, a high-efficiency energy-saving combined heating device comprises a cylinder 1, a left end cover 2 and a right end cover 3 fixedly arranged at the left end and the right end of the cylinder 1 respectively, bearings 18 are arranged in the left end cover 2 and the right end cover 3 respectively, a rotating shaft a8 and a rotating shaft B9 are arranged in the two bearings 18 respectively, an induction coil 15 is arranged outside the cylinder 1, a feed inlet 4 is arranged at the top of the cylinder 1, a discharge outlet 5 is arranged at the bottom of the cylinder 1, the discharge outlet 5 is positioned at the right side of the feed inlet 4, a tapered column 6 is arranged in the cylinder 1, a helical blade 7 is arranged on the cylindrical surface of the tapered column 6 along the length direction, a rotating shaft a8 and a rotating shaft B9 are welded at the left end and the right end of the tapered column 6 respectively, a rotating shaft a8, the tapered column 6 and a rotating shaft B9 are coaxially arranged, a rotating shaft a8 and a rotating shaft, the conical column 6 is internally provided with a blind hole 11 arranged along the axial direction thereof, the blind hole 11 is communicated with an axial hole 10, a ceramic heating body 12 is arranged in the axial hole 10, the ceramic heating body 12 extends into the blind hole 11, the inner wall of the barrel 1 is welded with a plurality of spoilers 13 around the circumferential direction thereof, the spoilers 13 are uniformly distributed on the barrel 1, the spoilers 13 are positioned between the feed inlet 4 and the discharge outlet 5, the spoilers 13 are positioned at the outer side of the helical blades 7, and the input connector of the ceramic heating body 12 is connected with the wire contact head 14. The ceramic heating element is formed by printing metal tungsten or molybdenum-manganese slurry on a ceramic tape-casting blank, performing hot-pressing lamination, and sintering ceramic and metal together under the protection of hydrogen atmosphere at 1600 ℃, has the advantages of corrosion resistance, high temperature resistance, long service life, high efficiency, energy conservation, uniform temperature, good heat conduction performance, high heat compensation speed and the like, does not contain harmful substances such as lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers and the like, and meets the environmental protection requirements of RoHS (RoHS) of the European Union and the like.
The ceramic heating element is a novel high-efficiency environment-friendly energy-saving ceramic heating element, and compared with a PTC ceramic heating element, the ceramic heating element can save 20-30% of electric energy under the condition of the same heating effect. Has the following advantages: the energy is saved, the thermal efficiency is high, and the unit heat power consumption is saved by 20-30% compared with the PTC. The surface is safe and uncharged, the insulating property is good, the device can withstand the withstand voltage test of 4500V/1S, the breakdown is avoided, and the leakage current is less than 0.5 mA. The resistance-temperature change is linear, and the temperature can be easily controlled by controlling the resistance. No power attenuation is caused after long-term use. The temperature rise is rapid, the temperature of the heating element is increased to more than 600 ℃ after being started at 500W power for 20S, and the temperature of the heating element is increased to more than 200 ℃ after being started at rated power for 10S. Safe and has no open fire. The thermal uniformity and consistency are good, and the power density is higher than or equal to 50W/cm 2. The environment-friendly paint does not contain harmful substances such as lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers and the like, and completely meets the environmental protection requirements of European Union.
The power unit comprises a motor 16 and a speed reducer 17, an input shaft of the speed reducer 17 is connected with an output shaft of the motor 16 through a coupler, and an output shaft of the speed reducer 17 is connected with a rotating shaft B9 through a coupler. The input terminal of the ceramic heating element 12 extends to the left outside the rotation shaft A8, and the end face of the input terminal is in contact with the wire contact 14.
The method for heating the mixture by the device in an efficient and energy-saving manner comprises the following steps:
s1, connecting the discharge port 5 to a pouring gate on the inner mold of the blow molding machine through a pipe clamp by an operator; an operator connects the wire contact 14 to a power supply, current is transmitted to the input connector of the ceramic heating element 12, the input connector transmits the current into metal tungsten in the ceramic heating element 12, the ceramic heating element 12 starts to generate heat, the ceramic heating element 12 transmits the heat to the conical column 6 after being heated, and the conical column 6 transmits the heat into the cylinder 1;
s2, stirring various plastic particles by using a mixer, and taking out and adding the mixture into the feed inlet 4 after stirring for a period of time;
s3, an operator turns on the motor 16, the torque of the motor 16 is transmitted to the rotating shaft B9 after being reduced by the reducer 17, the rotating shaft B9 drives the conical column 6 to rotate, the conical column 6 drives the helical blade 7 to rotate, the helical blade 7 drives the mixture to move towards the right, and the helical blade 7 stirs the mixture in the moving process, so that the uniform mixing of the materials in the conveying process is realized, the stirring time of plastic particles in the mixer is greatly shortened, namely, the working time of the mixer is shortened, and the production efficiency is improved;
s4, in step S3, the conical pillar 6 heats and melts the plastic particles, and the melted plastic particles become molten plastic, and finally flow out from the discharge port 5 into the mold under the driving of the spiral blade 7, thereby realizing the casting. Therefore, the device realizes heating and melting of plastic particles in a stirring state, increases the contact area of the plastic particles and the conical column 6, greatly shortens the heating and melting time of the plastic particles, improves the production efficiency, and saves the consumption of electric energy. In addition, the ceramic heating body 12 heats the mixture inside the barrel 1, compared with the traditional heating mode outside the barrel, the device avoids the waste of heat, and further saves the energy consumption.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an energy-efficient combination heating device, it includes barrel (1), sets firmly left end lid (2) and right-hand member lid (3) of tip about barrel (1) respectively, and the top of barrel (1) is provided with feed inlet (4), and the bottom of barrel (1) is provided with discharge gate (5), and discharge gate (5) are located the right side of feed inlet (4), its characterized in that: the heating cylinder is characterized in that a conical column (6) is arranged in the cylinder body (1), helical blades (7) are arranged on the cylindrical surface of the conical column (6) along the length direction of the conical column, a rotating shaft A (8) and a rotating shaft B (9) are respectively welded at the left end and the right end of the conical column (6), the rotating shaft A (8) and the rotating shaft B (9) are respectively rotatably installed in the left end cover (2) and the right end cover (3), an axial hole (10) is formed in the rotating shaft A (8), a blind hole (11) is formed in the conical column (6) along the axial direction of the conical column, the blind hole (11) is communicated with the axial hole (10), a ceramic heating body (12) is arranged in the axial hole (10), the ceramic heating body (12) extends into the blind hole (11), a plurality of spoilers (13) are welded on the inner wall of the cylinder body (1) along the circumferential direction of the cylinder body, the spoilers (13) are located between the feed inlet, the input connector of the ceramic heating element (12) is connected with the wire contact (14).
2. An energy-efficient combination heating apparatus as claimed in claim 1, wherein: an induction coil (15) is arranged outside the barrel (1).
3. An energy-efficient combination heating apparatus as claimed in claim 1, wherein: the spoilers (13) are uniformly distributed on the cylinder body (1).
4. An energy-efficient combination heating apparatus as claimed in claim 1, wherein: still include power pack, power pack includes motor (16) and reduction gear (17), the input shaft of reduction gear (17) and the output shaft of motor (16) are through the coupling joint, and the output shaft and pivot B (9) of reduction gear (17) are through the coupling joint.
5. An energy-efficient combination heating apparatus as claimed in claim 1, wherein: all be provided with bearing (18) in left end lid (2) and right-hand member lid (3), pivot A (8) and pivot B (9) are installed respectively in two bearings (18).
6. An energy efficient combination heating apparatus as claimed in claim 6, wherein: the rotating shaft A (8), the conical column (6) and the rotating shaft B (9) are coaxially arranged.
7. An energy-efficient combination heating apparatus as claimed in claim 1, wherein: the input joint of the ceramic heating body (12) extends to the left outside of the rotating shaft A (8), and the end face of the input joint is contacted with the wire contact head (14).
8. The method for heating the mixed material by the high-efficiency energy-saving combination according to any one of claims 1 to 7, characterized by comprising the following steps: it comprises the following steps:
s1, connecting the discharge hole (5) to a pouring gate on the inner mold of the blow molding machine through a pipe card by an operator; an operator connects the wire contact (14) to a power supply, current is transmitted to an input connector of the ceramic heating element (12), the input connector transmits the current into metal tungsten in the ceramic heating element (12), the ceramic heating element (12) starts to heat, the ceramic heating element (12) transmits heat to the conical column (6) after being heated, and the conical column (6) transmits the heat into the cylinder body (1);
s2, stirring various plastic particles by using a mixer, and taking out and adding the mixture into the feed inlet (4) after stirring for a period of time;
s3, an operator turns on the motor (16), the torque of the motor (16) is transmitted to the rotating shaft B (9) after being reduced by the reducer (17), the rotating shaft B (9) drives the conical column (6) to rotate, the conical column (6) drives the helical blade (7) to rotate, the helical blade (7) drives the mixed material to move towards the right, and the helical blade (7) stirs the mixed material in the moving process;
s4, in step S3, the conical column (6) heats and melts the plastic particles, the plastic particles become molten plastic after being melted, and finally the molten plastic flows out from the discharge port (5) under the pushing of the spiral blade (7) and enters the mold, so that the pouring is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911375123.2A CN111168972A (en) | 2019-12-27 | 2019-12-27 | Efficient energy-saving combined heating device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911375123.2A CN111168972A (en) | 2019-12-27 | 2019-12-27 | Efficient energy-saving combined heating device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111168972A true CN111168972A (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911375123.2A Pending CN111168972A (en) | 2019-12-27 | 2019-12-27 | Efficient energy-saving combined heating device and method |
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| Country | Link |
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| CN (1) | CN111168972A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112552078A (en) * | 2021-01-08 | 2021-03-26 | 上海框特贸易有限公司 | Color porcelain sintering device capable of adjusting temperature according to mercury divergence |
-
2019
- 2019-12-27 CN CN201911375123.2A patent/CN111168972A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112552078A (en) * | 2021-01-08 | 2021-03-26 | 上海框特贸易有限公司 | Color porcelain sintering device capable of adjusting temperature according to mercury divergence |
| CN112552078B (en) * | 2021-01-08 | 2023-05-23 | 潮州市艺光陶瓷实业有限公司 | Color porcelain sintering device capable of adjusting temperature according to mercury divergence amount |
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