CN210321121U - Frequency conversion bar copper heating furnace - Google Patents
Frequency conversion bar copper heating furnace Download PDFInfo
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- CN210321121U CN210321121U CN201921120265.XU CN201921120265U CN210321121U CN 210321121 U CN210321121 U CN 210321121U CN 201921120265 U CN201921120265 U CN 201921120265U CN 210321121 U CN210321121 U CN 210321121U
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Abstract
The utility model discloses a variable frequency copper bar heating furnace, wherein a furnace hearth is provided with a furnace hearth induction coil connected with a variable frequency power supply, a water cooling pipe is wound outside the furnace hearth induction coil, and a plate type water cooler is arranged outside the furnace hearth; a feeding slide rail is arranged at a feeding port of the hearth, a feeding propulsion oil cylinder is arranged at the end part of the feeding slide rail, a discharging roller way is arranged at a discharging port of the hearth, and a slide way for connecting the feeding slide rail and the discharging roller way is arranged in the hearth; the cold material sliding plate is in butt joint with a hydraulic feeding mechanism located at the bottom of the feeding sliding rail, the hydraulic feeding mechanism comprises a sliding block driven by a feeding oil cylinder and a connecting rod hinged with the sliding block, the connecting rod is hinged with a swinging rod, a feeding shovel is arranged at the end part of the swinging rod, and the feeding oil cylinder pushes the feeding shovel forwards to feed. The utility model discloses a frequency conversion bar copper heating furnace, energy-conserving effect is obvious, and energy output is stable, and heating quality is good, can realize the automatic heating of going up unloading and bar, realizes automated production, improves work efficiency.
Description
Technical Field
The utility model belongs to the heating furnace field especially relates to a frequency conversion bar copper heating furnace.
Background
The traditional heating furnace adopts conduction heating, the temperature difference of the surface core of the workpiece is large, the heat efficiency is low, the energy consumption is high, the temperature consistency is poor, the workpiece oxidation phenomenon exists, and the production efficiency is not high.
SUMMERY OF THE UTILITY MODEL
Adopt conduction heating for solving traditional heating furnace, the work piece table core difference in temperature is big, the thermal efficiency is low, the power consumption is high, the temperature uniformity is not good, there is work piece oxidation phenomenon, the problem that production efficiency is not high, the utility model provides a frequency conversion bar copper heating furnace.
The utility model is realized in such a way, the variable frequency copper rod heating furnace of the utility model comprises a furnace hearth, the furnace hearth is provided with a furnace hearth induction coil connected with a variable frequency power supply, a corundum knotting furnace lining is filled between turns of the furnace hearth induction coil and the surface of the furnace hearth, a water cooling pipe is wound outside the furnace hearth induction coil, and a plate type water cooler is arranged outside the furnace hearth;
a feeding slide rail is arranged at a feeding port of the hearth, a feeding propulsion oil cylinder is arranged at the end part of the feeding slide rail, a discharging roller way is arranged at a discharging port of the hearth, and a slide way for connecting the feeding slide rail and the discharging roller way is arranged in the hearth;
the cold material sliding plate is in butt joint with a hydraulic feeding mechanism located at the bottom of the feeding sliding rail, the hydraulic feeding structure comprises a sliding block driven by a feeding oil cylinder and a connecting rod hinged with the sliding block, the connecting rod is hinged with a swing rod, a feeding shovel is arranged at the end part of the swing rod, the feeding oil cylinder pushes the feeding shovel forwards to be in butt joint with the cold material sliding plate, and the feeding oil cylinder pushes the feeding shovel backwards to be in butt joint with the feeding sliding rail.
Furthermore, the cold material sliding plate is obliquely arranged, and an intermittent feeding oil cylinder which can move the feeding baffle up and down is arranged at the bottom of the cold material sliding plate.
Further, the induction coil is fixed by several rows of copper bolts and insulating stays welded to the outer circumference.
The electric efficiency of the variable frequency induction heating power supply of the variable frequency copper rod heating furnace is more than or equal to 96 percent, and the energy-saving effect is obvious; the energy output is stable, the heating temperature is easy to control, the consistency is good, and the heating quality is improved; the heat permeability is good, the magnetic field has good permeability to metal workpieces, and non-conduction heating is performed, so that the temperature difference of the surface core of the workpiece is small, and the product quality is improved; the heating equipment is started immediately after being used, is convenient to use and has no additional energy consumption; no environmental pollution and less workpiece oxidation; the temperature measurement system controls the heating power in a closed loop mode, each material can be heated at a set temperature, and the temperature precision is high; the automatic feeding and discharging and bar heating device can achieve automatic feeding and discharging and bar heating, achieve automatic production and improve working efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a variable-frequency copper rod heating furnace provided by an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another view angle of the variable-frequency copper rod heating furnace provided in the embodiment of the present invention;
FIG. 3 is a layout diagram of a variable-frequency copper rod heating furnace provided by an embodiment of the present invention;
fig. 4 is an installation schematic diagram of a hydraulic feeding mechanism provided by the embodiment of the present invention;
in the figure: 1. a feeding oil cylinder; 2. a feeding slide rail; 3. a hearth; 4. a discharging roller bed; 5. a copper bar; 6. a cold material sliding plate; 7. a feeding shovel; 8. a swing rod; 9. a connecting rod; 10. a feed propulsion cylinder; 11. a slider; 12. a variable frequency power supply; 13. a camera; 14. an extruder; 15. a hearth cooling water interface; 16. a variable frequency power supply cooling water interface; 17. a slideway; 18. a plate water cooler; 19. an intermittent feeding oil cylinder.
Detailed Description
In order to further understand the contents, features and functions of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail with reference to the accompanying drawings.
The length of the variable-frequency copper rod heating furnace is 3300mm, 6 rods can be heated in the furnace simultaneously, the time for each material to be heated to the required temperature from a cold state is more than 10 minutes, and the heating uniformity is ensured;
the furnace body frame (not shown in the figure) is externally provided with an epoxy resin insulating layer by adopting a stainless steel structure, has high strength and good insulating property, is non-conductive and non-magnetic, and can effectively reduce energy consumption;
the furnace body and the capacitor set are designed integrally, the capacitor is arranged on the side of the furnace body and close to the furnace body, the heating is small, the capacitor set can adopt the prior art, and the details are not repeated;
the shell is made of insulating materials (epoxy resin insulating plates with the thickness of 15 mm), asbestos cement plates and the like, and the furnace panel is made of aluminum alloy plates, stainless steel plates or copper plates;
the variable frequency copper rod heating furnace is provided with a hearth induction coil connected with a variable frequency power supply, the variable frequency power supply is provided by BPS-800, in order to ensure the reliability of the induction coil, a high-quality cold extrusion copper pipe is adopted as a coil copper pipe, the appearance of the induction coil is insulated, and the withstand voltage of the coil insulation is more than 5000V.
The induction coil is fixed by a plurality of rows of copper bolts and insulating supporting strips which can be welded on the outer circumference of the induction coil, and after the induction coil is fixed, the turn-to-turn distance error is not more than 2mm, so that the uniform heating temperature is ensured;
a plurality of temperature probe fixing seats are welded on the outer surface of the induction coil in a segmented manner and used for mounting a temperature measuring element, so that the induction coil is ensured to work at a required temperature, an alarm signal is given if the water temperature is too high, and meanwhile, the variable frequency power supply is in a protection state, so that equipment failure is avoided, and the equipment is ensured to run reliably;
the hearth 3 is provided with a hearth induction coil connected with a variable frequency power supply, a corundum knotting furnace lining is filled between turns of the hearth induction coil and the surface of the hearth to play roles in heat insulation and heat preservation, a water cooling pipe (not shown in the figure) is wound outside the hearth induction coil, a plate type water cooler 18 is installed outside the hearth 3, and a hearth cooling water interface 15 and a variable frequency power supply cooling water interface 16 can respectively supply cold water to the cold water pipe, the plate type water cooler 18 and the variable frequency power supply;
a feeding slide rail 2 and a camera 13 are installed at a feeding port of a hearth 3, a feeding propulsion oil cylinder 10 is installed at the end part of the feeding slide rail 2, a discharging roller table 4 is installed at a discharging port of the hearth, a slideway 17 connected with the feeding slide rail 2 and the discharging roller table 4 is installed in the hearth 3, a copper rod 5 is fed into and discharged out of the hearth 3 along the slideway 17, and discharging is stable;
the cold material sliding plate 6 is in butt joint with a hydraulic feeding mechanism positioned at the bottom of the feeding sliding rail 2, the hydraulic feeding structure comprises a sliding block 11 driven by a feeding oil cylinder 1 and a connecting rod 9 hinged with the sliding block 11, the connecting rod 9 is hinged with a swing rod 8, a feeding shovel 7 is arranged at the end part of the swing rod 8, the feeding oil cylinder 1 pushes the feeding shovel 7 forwards to be in butt joint with the cold material sliding plate 6, and the feeding oil cylinder 1 pushes the feeding shovel 7 backwards to be in butt joint with the feeding sliding rail 2;
the cold material sliding plate 6 is obliquely arranged, the bottom of the cold material sliding plate 6 is provided with an intermittent feeding oil cylinder 19 which moves a feeding baffle up and down, when the intermittent feeding oil cylinder 19 moves downwards to move the feeding baffle down, the copper rod 5 placed on the cold material sliding plate 6 rolls down to the feeding shovel 7, and the intermittent feeding oil cylinder 19 moves upwards to move the feeding baffle up to block the copper rod 5 at the rear side, so that intermittent feeding is realized;
the control system of the whole machine is controlled by a PLC, the temperature control system is provided with three-level temperature measurement control, and the temperature control is respectively arranged at the furnace inlet end, the furnace middle part and the furnace outlet so as to avoid the melting phenomenon. An infrared sensor is adopted for temperature signal sampling;
the functions of coil and water temperature protection, automatic alarm, shutdown and the like can be set according to the requirement;
the variable frequency power supply is adopted, the automatic control and automatic starting functions of the starting current are realized, the starting current is controlled in a closed loop mode during starting, the impact of the starting current on elements is avoided, if the starting fails, the automatic starting function works, and the starting is repeated until the equipment is started successfully;
the voltage, the water pressure and the current can realize automatic protection, and the equipment is provided with a current and voltage double closed loop circuit, so that the fault caused by the impact of overcurrent and overvoltage on the equipment is avoided. The device is provided with a water pressure closed-loop control system, and when the water pressure is insufficient, the device is in a protection state and cannot be started to work;
water pressure delay protection, when the water pressure is lower than the required pressure (0.2-0.3MPa), the equipment enters a protection state after delay confirmation; the false protection action caused by water pressure fluctuation can be avoided.
Except for the traditional voltage cut-off protection, aiming at the instantaneous overvoltage state of an accident, the control system gives a group of signals to enable the controllable silicon to be in a conducting state and release energy, so that the damage to elements is avoided;
when the device works, according to the requirements of a heating process, the heating temperature, the rod length and the heating protection time are set, the feeding oil cylinder 1 drives the sliding block 11, the sliding block 11 drives the connecting rod 9, the connecting rod 9 drives the swing rod 8 to swing so as to send the copper rod 5 in the feeding shovel 7 positioned at the end part to the feeding slide rail 2, and the feeding propulsion oil cylinder 10 propels the unheated cold copper rod into a hearth;
temperature measurement system measures and shows heating temperature during the heating, when the bar copper reaches the settlement temperature, but closed loop control variable frequency power supply output and send the feeding signal, can give by extruder 14 this moment and expect that signal automatic discharging or manual work send and expect that the signal (expect that the button can install on the extruder operation panel, convenient operation), feeding propulsion cylinder 10 advances furnace 3 with the bar copper cold burden that does not heat in order to release the bar that will heat to ejection of compact roll table 4, the good bar copper propelling movement of heating to extruder 14 by the hydro-cylinder of outside setting again.
The electric efficiency of the variable frequency induction heating power supply of the variable frequency copper rod heating furnace is more than or equal to 96 percent, and the energy-saving effect is obvious; the energy output is stable, the heating temperature is easy to control, the consistency is good, and the heating quality is improved; the heat permeability is good, the magnetic field has good permeability to metal workpieces, and non-conduction heating is performed, so that the temperature difference of the surface core of the workpiece is small, and the product quality is improved; the heating equipment is started immediately after being used, is convenient to use and has no additional energy consumption; no environmental pollution and less workpiece oxidation; the temperature measurement system controls the heating power in a closed loop mode, each material can be heated at a set temperature, and the temperature precision is high; the automatic feeding and discharging and bar heating device can achieve automatic feeding and discharging and bar heating, achieve automatic production and improve working efficiency.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.
Claims (3)
1. A variable-frequency copper rod heating furnace is characterized by comprising a hearth, wherein the hearth is provided with a hearth induction coil connected with a variable-frequency power supply, a corundum knotting furnace lining is filled between turns of the hearth induction coil and the surface of the hearth, a water cooling pipe is wound outside the hearth induction coil, and a plate-type water cooler is arranged outside the hearth;
a feeding slide rail is arranged at a feeding port of the hearth, a feeding propulsion oil cylinder is arranged at the end part of the feeding slide rail, a discharging roller way is arranged at a discharging port of the hearth, and a slide way for connecting the feeding slide rail and the discharging roller way is arranged in the hearth;
the cold material sliding plate is in butt joint with a hydraulic feeding mechanism located at the bottom of the feeding sliding rail, the hydraulic feeding structure comprises a sliding block driven by a feeding oil cylinder and a connecting rod hinged with the sliding block, the connecting rod is hinged with a swing rod, a feeding shovel is arranged at the end part of the swing rod, the feeding oil cylinder pushes the feeding shovel forwards to be in butt joint with the cold material sliding plate, and the feeding oil cylinder pushes the feeding shovel backwards to be in butt joint with the feeding sliding rail.
2. The variable-frequency copper rod heating furnace according to claim 1, wherein the cold charge sliding plate is arranged obliquely, and an intermittent feeding oil cylinder for moving the feeding baffle up and down is arranged at the bottom of the cold charge sliding plate.
3. The variable-frequency copper rod heating furnace according to any one of claims 1 to 2, wherein the induction coil is fixed by a plurality of rows of copper bolts and insulating stays welded to the outer circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921120265.XU CN210321121U (en) | 2019-07-17 | 2019-07-17 | Frequency conversion bar copper heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921120265.XU CN210321121U (en) | 2019-07-17 | 2019-07-17 | Frequency conversion bar copper heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210321121U true CN210321121U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921120265.XU Active CN210321121U (en) | 2019-07-17 | 2019-07-17 | Frequency conversion bar copper heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210321121U (en) |
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2019
- 2019-07-17 CN CN201921120265.XU patent/CN210321121U/en active Active
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