CN211868414U - Plastic mold pressing mould heating device - Google Patents
Plastic mold pressing mould heating device Download PDFInfo
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- CN211868414U CN211868414U CN202020223939.5U CN202020223939U CN211868414U CN 211868414 U CN211868414 U CN 211868414U CN 202020223939 U CN202020223939 U CN 202020223939U CN 211868414 U CN211868414 U CN 211868414U
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- induction heating
- transformer
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- heating device
- die
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Abstract
The utility model provides a plastic mould pressing mould heating device, which comprises an induction heating device and a lifting device, wherein the induction heating device comprises an induction heating coil, a transformer, a heat insulation plate, a platform and an induction heating control box; the mould and the heat insulation plate are located above the platform, an induction heating coil is arranged outside the mould and connected with the transformer and used for generating an alternating magnetic field, the mould generates heat under the action of the alternating magnetic field, the lifting device is connected with the transformer and used for adjusting the height of the transformer and the induction heating coil, and the induction heating control box is respectively electrically connected with the mould and the transformer and used for controlling the current of the transformer and detecting the temperature of the mould. The utility model provides a mould pressing heating device passes through induction coil and realizes electromagnetic heating, and the programming rate is fast, and the energy consumption is low, reduces plastic material compression molding time by a wide margin, improves shaping efficiency.
Description
Technical Field
The utility model belongs to plastic compression mold's novel heating method field relates to a compression mold induction heating device.
Background
In the prior art, CN101648422B is a preparation method of a polyether-ether-ketone pipe, which mainly adopts an oven heating mode, and has the advantages of low heating speed, long sintering time and low efficiency.
The heating methods of the traditional plastic mould pressing mould include the following steps: 1. the method for installing the electric heating tube in the die for heating has the following defects: the die is easy to damage in the using process, the temperature of the die is not uniform, and the distribution of heating pipes is different, so that the temperature of each point on the surface of the die is not uniform, and the forming rate of a finished product is influenced to a certain extent; the cycle is long and the energy consumption is large in the using process. 2. The steam heating is adopted, the defects are that the temperature is limited to a certain degree, and the steam heating cannot meet the production requirement of a high-temperature forming die. 3. The heat conduction oil is used for heating, which has the disadvantages that the heat conduction oil is required to be used as a heat medium carrier, certain requirements are required for the design of a die, and the temperature is limited to a certain extent; most of the dies are connected by metal hoses, and if the connection parts are not well butted, oil leakage is easy to generate, and the danger is high. 4. The oven heating has the disadvantages of large occupied area, low heating rate and high energy consumption.
SUMMERY OF THE UTILITY MODEL
The defect to current plastic compression mold heating device existence, the utility model provides a can be used for compression mold induction heating device, the position control is convenient, and adaptability is strong, and die holding and coil simple to operate maintain conveniently can effectively solve not enough among the prior art.
In order to achieve the above object, the utility model adopts the following technical scheme:
a heating device of a plastic mould pressing mould comprises an induction heating device and a lifting device, wherein the induction heating device comprises an induction heating coil, a transformer, a heat insulation plate, a platform and an induction heating control box; the mould and the heat insulation plate are located above the platform, an induction heating coil is arranged outside the mould and connected with the transformer and used for generating an alternating magnetic field, the mould generates heat under the action of the alternating magnetic field, the lifting device is connected with the transformer and used for adjusting the height of the transformer and the induction heating coil, and the induction heating control box is respectively electrically connected with the mould and the transformer and used for controlling the current of the transformer and detecting the temperature of the mould.
The induction heating device further comprises a temperature sensor, one end of the temperature sensor is arranged on the die and used for detecting the temperature of the die, and the other end of the temperature sensor is connected with the induction heating control box and used for adjusting whether the coil is electrified or not to realize the temperature control of the die.
Furthermore, the lifting device comprises a motor, a lead screw and a movable platform, the motor is connected with the lead screw, the lead screw is connected with the movable platform, and the motor controls the movable platform to lift.
Furthermore, the shape of the induction heating coil can be designed according to the shape of a die, and can be round, square or special.
Further, the distance between the induction heating coil and the die is 20-60 mm.
The utility model has the advantages that:
the utility model provides a mould pressing heating device passes through induction coil and realizes electromagnetic heating, and the programming rate is fast, can be effectual energy-conserving more than 30% for traditional heating methods. The induction heating coil acts on the mould to carry out self-heating, so that the heating is fast, the energy consumption is low, the compression molding time of the plastic material is greatly reduced, and the molding efficiency is improved. Adopt lift adjusting device, can adjust the coil height, conveniently take out and place the mould. The induction distance between the induction heating coil and the die is generally 20-60mm, and one induction coil can be suitable for dies with various sizes; and corresponding induction coils can be selected according to the specification and size of the die, so that the coils are convenient to replace. The induction heating coil structure is not limited to a circle, and can be a square or special-shaped structure, so that the application range is wide.
Drawings
FIG. 1 is a schematic structural view of an induction heating apparatus for a molding die.
Wherein, 1, induction heating coil; 2. a transformer; 3. a mold; 4. a heat insulation plate; 5. a platform; 6. a motor; 7. a lead screw; 8. a movable platform; 9. an induction heating control box; 10. wire, 11, temperature sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
An induction heating coil 1 is arranged 20-60mm outside the die 3, and the shape of the induction heating coil 1 can be designed according to the shape of the die and can be round, square or special. The induction heating coil 1 is connected with the transformer 2, and the induction current of the induction heating coil 1 is adjusted through the transformer 2; a movable platform 8 is arranged below the transformer 2 and used for supporting and fixing the transformer 2; a screw rod 7 is arranged on one side of the movable platform 8, the motor 6 is connected to the screw rod 7, and the lifting of the movable platform 8 is adjusted by controlling the motor 6 and the screw rod 7; further adjusting the lifting of the transformer 2 and the induction heating coil 1, thereby separating the die 3 from the induction heating coil 1; the induction heating control box 9 is electrically connected with the transformer 2 through an electric wire 10 to control the transformer 2; the induction heating control box 9 is also electrically connected with the die 3, a temperature sensor 11 is arranged on the die 3, the temperature of the die is monitored through the temperature sensor, whether the transformer is connected with current or not is judged, and heating is controlled; the platform 5 is provided with a heat insulation plate 4, the heat insulation plate 4 is positioned below the mold 3, and the heat insulation plate 4 is used for conducting heat of the mold 3, thereby reducing heat loss.
The heating device for the plastic molding die has the advantages of uniform heating and high heating speed, improves the fluidity of resin melt in the die, increases the surface gloss of products, and reduces the sintering time.
Claims (6)
1. A heating device of a plastic mould pressing die is characterized by comprising an induction heating device and a lifting device, wherein the induction heating device comprises an induction heating coil (1), a transformer (2), a heat insulation plate (4), a platform (5) and an induction heating control box (9); the die (3) and the heat insulation plate (4) are positioned above the platform (5), an induction heating coil (1) is arranged outside the die (3), and the induction heating coil (1) is connected with the transformer (2); the lifting device is connected with the transformer (2); the induction heating control box (9) is respectively and electrically connected with the die (3) and the transformer (2).
2. The plastic molding die heating device according to claim 1, wherein the induction heating device further comprises a temperature sensor (11), one end of the temperature sensor (11) is disposed on the die (3), and the other end of the temperature sensor is connected to the induction heating control box (9).
3. The heating device for the plastic molding die of claim 1, wherein the lifting device comprises a motor (6), a lead screw (7) and a movable platform (8), the motor (6) is connected with the lead screw (7), the lead screw (7) is connected with the movable platform (8), and the motor (6) controls the movable platform (8) to lift.
4. The heating device for plastic molding dies according to claim 1, characterized in that the shape of the induction heating coil (1) can be designed according to the shape of the die.
5. The heating device for plastic molding dies according to claim 1, characterized in that the shape of the induction heating coil (1) is circular, square or irregular.
6. The heating device for plastic molding dies according to claim 1, characterized in that the distance between the induction heating coil (1) and the die (3) is 20-60 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020223939.5U CN211868414U (en) | 2020-02-28 | 2020-02-28 | Plastic mold pressing mould heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020223939.5U CN211868414U (en) | 2020-02-28 | 2020-02-28 | Plastic mold pressing mould heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211868414U true CN211868414U (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020223939.5U Active CN211868414U (en) | 2020-02-28 | 2020-02-28 | Plastic mold pressing mould heating device |
Country Status (1)
| Country | Link |
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| CN (1) | CN211868414U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114261048A (en) * | 2021-12-28 | 2022-04-01 | 成都双高实业有限责任公司 | Intermediate-frequency heating process and heating equipment for polytrifluorochloroethylene thermoforming |
-
2020
- 2020-02-28 CN CN202020223939.5U patent/CN211868414U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114261048A (en) * | 2021-12-28 | 2022-04-01 | 成都双高实业有限责任公司 | Intermediate-frequency heating process and heating equipment for polytrifluorochloroethylene thermoforming |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A heating device for plastic mould Effective date of registration: 20230215 Granted publication date: 20201106 Pledgee: Industrial Bank Limited by Share Ltd. Dalian branch Pledgor: DALIAN JIANGYU NEW MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2023980032731 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |