CN213028601U

CN213028601U - Novel intermediate frequency induction heating machine for preheating die and gluing stator

Info

Publication number: CN213028601U
Application number: CN202022294076.3U
Authority: CN
Inventors: 郭卫东
Original assignee: Changzhou Juntai Machinery Technology Co ltd
Current assignee: Changzhou Juntai Machinery Technology Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-04-20
Anticipated expiration: 2030-10-14

Abstract

The utility model relates to an induction heater technical field just discloses a mould preheats and stator rubber coating preheats with novel intermediate frequency induction heater, including heat dissipation case and heating workpiece, the right-hand member overlap joint of heat dissipation case has the oil mist collector, just the support is collected to oil mist collector's bottom fixedly connected with oil mist, the front of heat dissipation case is rotated and is connected with the guard gate, just one side swing joint that the guard gate is close to the heat dissipation case has pneumatic mechanism of opening a door, oil mist collector's left side is provided with the induction heating case, the pneumatic elevating system of bottom fixedly connected with work piece of heating workpiece. This mould preheats and stator rubber coating preheats uses novel intermediate frequency induction heating machine, opens the switch that one drags two heating power through PLC control box input instruction, and direct current contravariant through extension dc-to-ac converter with power output is the alternating current after that, inside carrying induction coil through the alternating current after that to can produce the induction eddy current, and then make the effect to the convenient heating of heating workpiece.

Description

Novel intermediate frequency induction heating machine for preheating die and gluing stator

Technical Field

The utility model relates to an induction heater technical field specifically is a mould preheats and stator rubber coating preheats and uses novel intermediate frequency induction heater.

Background

The induction heater is an inductance coil, can meet various heating processes by reasonably distributing induction magnetic fields, is a key part for realizing various induction heating processes, is also a necessary part, has the performance directly related to the excellent heating process, and is manufactured according to the heating process; when preheating the die and gluing the stator, a preheating device is needed to preheat the die and the stator so as to facilitate the next step of assembling and fixing the stator.

Most of the prior preheating devices for preheating the die and gluing the stator adopt an oven or open fire for heating, so that the oven efficiency is too slow, the open fire is uneven, preheating failure and safety accidents can be caused, and adverse factors such as easy discoloration of the surface of a preheated part exist; therefore, a novel intermediate frequency induction heating machine for preheating a die and gluing a stator is provided, and the problem that a preheating device for preheating the die and gluing the stator is low in preheating efficiency is solved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a mould preheats and stator rubber coating preheats with novel intermediate frequency induction heating machine possesses the advantage that improves preheating device and preheats efficiency, has solved the preheating device that the current mould that mentions among the above-mentioned background preheats and the stator rubber coating preheats inefficiency problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a novel intermediate frequency induction heating machine for preheating a die and gluing a stator comprises a heat dissipation box and a heating workpiece, wherein an oil mist collector is lapped at the right end of the heat dissipation box, an oil mist collecting support is fixedly connected to the bottom of the oil mist collector, a protective door is rotatably connected to the front of the heat dissipation box, a pneumatic door opening mechanism is movably connected to one side, close to the heat dissipation box, of the protective door, an induction heating box is arranged on the left side of the oil mist collector, a workpiece pneumatic lifting mechanism is fixedly connected to the bottom of the heating workpiece, a PLC operation control box is fixedly connected to the left side of the induction heating box, a remote operation control box is electrically connected to the top of the PLC operation control box, a cooling cavity is arranged at the bottom of the oil mist collector, a top lifting ring is fixedly connected to the top of the heat dissipation box, and a flexible water-electricity connecting, the front side of the protective door is lapped with a feeding and article placing trolley.

The back electricity of induction heating case is connected with one and drags two heating power, the front electricity that one drags two heating power is connected with extension dc-to-ac converter, just extension dc-to-ac converter bottom fixedly connected with inductor, the bottom of inductor is provided with the heating work piece.

Preferably, the number of the extension inverters is two, and the bottoms of the extension inverters are electrically connected with the top of the inductor.

Preferably, the number of the heating workpieces is two, and the workpiece trays are overlapped at the bottoms of the two heating workpieces.

Preferably, the outer surface of the workpiece pneumatic lifting mechanism is sleeved with a sliding block, and the inside of the workpiece pneumatic lifting mechanism is sleeved with a lifting pneumatic rod.

Preferably, the inside of the protective door is fixedly connected with a pneumatic door opening rotating device, and the back of the protective door is rotatably connected with the front of the induction heating box.

Preferably, the back of the oil mist collector is fixedly communicated with an oil smoke communicating pipe, and the top of the oil mist collector is fixedly connected with an oil mist purifying box.

Compared with the prior art, the utility model provides a mould preheats and stator rubber coating preheats with novel intermediate frequency induction heater possesses following beneficial effect:

1. this mould preheats and stator rubber coating preheats and uses novel intermediate frequency induction heating machine, through being provided with induction heating case, devices such as inductor and extension dc-to-ac converter, specifically for opening one drags two switches of heating power through PLC control box input instruction, direct current contravariant through extension dc-to-ac converter with power output is the alternating current after that, inside carrying induction coil through the alternating current after that, thereby can produce the induction eddy current, and then make the effect to the convenient heating of heating workpiece, thereby the problem that the preheating device that the current mould that mentions among the above-mentioned background art preheats and the stator rubber coating preheats inefficiency has been solved.

2. This mould preheats and stator rubber coating preheats and uses novel intermediate frequency induction heating machine, through being provided with the guard gate, pneumatic mechanism and the pneumatic elevating system isotructure of work piece of opening of pneumatic mechanism of opening the door, specifically be can control opening and closing of guard gate through pneumatic mechanism of opening the door, avoid the incident that manual operation appears after induction heating machine heating work piece, can adjust the height of heating the work piece through the pneumatic elevating system of work piece simultaneously, thereby can adjust the best preheating position with the work piece, thereby can be under the security prerequisite of having guaranteed preheating device, but reach the effect of adjusting workpiece height.

Drawings

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

FIG. 2 is a front view of the present invention;

fig. 3 is a side view of the structure of the present invention.

Wherein: 1. a heat dissipation box; 2. an oil mist collector; 201. an oil mist collection support; 3. a protective door; 301. A pneumatic door opening mechanism; 4. an induction heating box; 401. a one-to-two heating power supply; 402. an extension inverter; 403. an inductor; 5. heating the workpiece; 6. a workpiece pneumatic lifting mechanism; 7. a PLC operation control box; 8. remotely operating the control box; 9. a cooling chamber; 10. a top lifting ring; 11. a flexible hydro-electrical connection hose; 12. a feeding and placing trolley.

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.

Referring to fig. 1-3, a novel intermediate frequency induction heating machine for die preheating and stator gluing preheating comprises a heat dissipation box 1 and a heating workpiece 5, wherein an oil mist collector 2 is lapped at the right end of the heat dissipation box 1, an oil mist collecting bracket 201 is fixedly connected at the bottom of the oil mist collector 2, a protective door 3 is rotatably connected at the front of the heat dissipation box 1, a pneumatic door opening mechanism 301 is movably connected at one side of the protective door 3 close to the heat dissipation box 1, an induction heating box 4 is arranged at the left side of the oil mist collector 2, a workpiece pneumatic lifting mechanism 6 is fixedly connected at the bottom of the heating workpiece 5, a PLC operation control box 7 is fixedly connected at the left side of the induction heating box 4, a remote operation control box 8 is electrically connected at the top of the PLC operation control box 7, a cooling cavity 9 is arranged at the bottom of the oil mist collector 2, a top lifting ring 10 is fixedly connected at the top of the heat dissipation box 1, the front side of the protective door 3 is provided with a feeding and article placing trolley 12 in a lap joint mode;

through the technical scheme, telescopic cylinder has been cup jointed to pneumatic mechanism 301 of opening a door's inside, and telescopic cylinder's top rotates with the rotating device that opens the door to be connected, thereby can open or be closed through pneumatic mechanism 301 control guard gate 3 of opening a door, avoid taking out and leading to the incident appearing in artifical change after induction heater heating work piece, can adjust the height of heating work piece 5 through the pneumatic elevating system 6 of work piece simultaneously, thereby can adjust the best preheating position with the work piece, thereby can be under preheating device's security prerequisite has been guaranteed, but reach the effect of adjusting the work piece height.

Meanwhile, the induction heater adopts double-station operation, so that the heating efficiency of the heater can be greatly improved, and the aim of improving the preheating efficiency of the die and the stator is fulfilled.

The back of the induction heating box 4 is electrically connected with a one-to-two heating power source 401, the front of the one-to-two heating power source 401 is electrically connected with a sub-set inverter 402, the bottom of the sub-set inverter 402 is fixedly connected with an inductor 403, and the bottom of the inductor 403 is provided with a heating workpiece 5.

Through above-mentioned technical scheme, open one from PLC operation control box 7 input instruction with the switch that one drags two heating power 401, follow the direct current contravariant that outputs the power through extension inverter 402 to the alternating current, inside carrying induction coil through the alternating current after that to can produce the induction eddy current, and then make the effect to the convenient heating of heating workpiece 5.

At present, the mould is heated in a large batch by a multipurpose oven or open fire, and has the disadvantages of too slow oven efficiency, uneven open fire heating, large potential safety hazard, easy discoloration of the surface of a preheated part and the like; aiming at medium-frequency induction external heating of the middle-size and small-size molds with the design, a temperature rise curve is strictly controlled through a PLC (programmable logic controller) and an HMI (human machine interface), the power supply power is automatically adjusted by adopting a 0-5v module matched with the PLC, the power does not need to be adjusted manually, heating data can be captured for more than 500 times per second and the final OK state can be detected, and the medium-frequency power supply is heated without adjusting the power, so that the heating quality of a rotor is higher; the induction coil is fixed, so that the load connection length can be reduced, the service lives of the water cable and the inductor 403 are prolonged, the coil is fixed, and the die is lifted up, so that the operation is convenient; because the rotor heating temperature is higher, the cylinder door opening protection is arranged in the heating process, and the oil smoke purification device is arranged on the upper portion of the rotor, so that the environment and the health and safety of operators are protected. The method is widely applied to places such as stator gluing, preheating before the machine shell enters a tunnel furnace, heating and externally detaching the stator enameled wire and the like.

Specifically, as shown in fig. 2, the number of the extension inverters 402 is two, and the bottoms of the extension inverters 402 are electrically connected to the top of the inductor 403.

Through the technical scheme, the extension inverter 402 can invert the direct current of the one-to-two heating power supply 401 into the alternating current, so that when the induction coil in the inductor 403 is electrified, induction eddy current can be generated through the alternating current, and the heating workpiece 5 is heated.

Specifically, as shown in fig. 2, the number of the heating workpieces 5 is two, and the workpiece tray is overlapped on the bottom of the two heating workpieces 5.

Through the technical scheme, the bottom of the workpiece tray is fixedly connected with the top of the workpiece pneumatic lifting mechanism 6, so that when the PLC operation control box 7 controls the workpiece pneumatic lifting mechanism 6, the height of the workpiece tray can be adjusted, and the purpose of adjusting the height of the workpiece is achieved.

Specifically, as shown in fig. 2, a sliding block is sleeved on an outer surface of the pneumatic workpiece lifting mechanism 6, and a lifting pneumatic rod is sleeved inside the pneumatic workpiece lifting mechanism 6.

Specifically, as shown in fig. 2 and fig. 1, a pneumatic door opening rotating device is fixedly connected inside the protective door 3, and the back surface of the protective door 3 is rotatably connected with the front surface of the induction heating box 4.

Specifically, as shown in fig. 2 and 3, the back of the oil mist collector 2 is fixedly communicated with a lampblack communicating pipe, and the top of the oil mist collector 2 is fixedly connected with an oil mist purifying box.

When the device is used, two to-be-heated molds are manually or mechanically selected by a manipulator at a time according to the model numbers of heated parts to select a corresponding shortcut menu on a touch screen electrically connected to the left side of a PLC operation control box 7, so that the temperature measuring position of an infrared laser head is adjusted, a heating button is started by one key, then a protective door 3 is closed under the action of a door opening cylinder, then a workpiece pneumatic lifting mechanism 6 is controlled to start working by inputting a PLC instruction, then a switch of a medium-frequency one-to-two heating power supply 401 is opened, so that a preheating device starts heating, after the specified time and temperature of the industrial personal computer are heated to meet requirements, the medium-frequency power supply stops heating and feeds back a PLC ending signal after the heating is OK through the PLC or default heating, then the protective door 3 is opened through the PLC instruction rotary table, a stator is taken down.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mould preheats and stator rubber coating preheats with novel intermediate frequency induction heater, includes heat dissipation case (1) and heating workpiece (5), its characterized in that: an oil mist collector (2) is lapped at the right end of the heat dissipation box (1), an oil mist collection support (201) is fixedly connected to the bottom of the oil mist collector (2), a protective door (3) is rotatably connected to the front of the heat dissipation box (1), a pneumatic door opening mechanism (301) is movably connected to one side, close to the heat dissipation box (1), of the protective door (3), an induction heating box (4) is arranged on the left side of the oil mist collector (2), a workpiece pneumatic lifting mechanism (6) is fixedly connected to the bottom of a heating workpiece (5), a PLC operation control box (7) is fixedly connected to the left side of the induction heating box (4), a remote operation control box (8) is electrically connected to the top of the PLC operation control box (7), a cooling cavity (9) is arranged at the bottom of the oil mist collector (2), and a top lifting ring (10) is fixedly connected to the top of the heat dissipation box (, the left end of the heat dissipation box (1) is fixedly communicated with a flexible water and electricity connecting hose (11), and the front side of the protective door (3) is lapped with a feeding and storage trolley (12);

the back electricity of induction heating case (4) is connected with one and drags two heating power supply (401), the front electricity of one dragging two heating power supply (401) is connected with extension inverter (402), just extension inverter (402) bottom fixedly connected with inductor (403), the bottom of inductor (403) is provided with heating work piece (5).

2. The novel intermediate frequency induction heating machine for preheating the die and the stator during gluing according to claim 1, characterized in that: the number of the extension inverters (402) is two, and the bottoms of the extension inverters (402) are electrically connected with the top of the inductor (403).

3. The novel intermediate frequency induction heating machine for preheating the die and the stator during gluing according to claim 1, characterized in that: the number of the heating workpieces (5) is two, and the bottom parts of the two heating workpieces (5) are lapped with the workpiece tray.

4. The novel intermediate frequency induction heating machine for preheating the die and the stator during gluing according to claim 1, characterized in that: the outer surface of the workpiece pneumatic lifting mechanism (6) is sleeved with a sliding block, and the inside of the workpiece pneumatic lifting mechanism (6) is sleeved with a lifting pneumatic rod.

5. The novel intermediate frequency induction heating machine for preheating the die and the stator during gluing according to claim 1, characterized in that: the pneumatic door opening rotating device is fixedly connected to the inner portion of the protective door (3), and the back face of the protective door (3) is rotatably connected with the front face of the induction heating box (4).

6. The novel intermediate frequency induction heating machine for preheating the die and the stator during gluing according to claim 1, characterized in that: the back of the oil mist collector (2) is fixedly communicated with an oil fume communicating pipe, and the top of the oil mist collector (2) is fixedly connected with an oil mist purifying box.