CN115776742B - High-frequency heating device with automatic detection function - Google Patents
High-frequency heating device with automatic detection function Download PDFInfo
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- CN115776742B CN115776742B CN202310097256.8A CN202310097256A CN115776742B CN 115776742 B CN115776742 B CN 115776742B CN 202310097256 A CN202310097256 A CN 202310097256A CN 115776742 B CN115776742 B CN 115776742B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention discloses a high-frequency heating device with an automatic detection function, and relates to the technical field of high-frequency heating. The coil works to generate an alternating magnetic field, the workpiece generates an induced current in the alternating magnetic field, the induced current generates an alternating magnetic field with the direction opposite to the direction of the coil, the alternating induced magnetic field generates a reaction on the alternating magnetic field, so that the amplitude and the phase of high-frequency current introduced into the coil are changed, the control system monitors and calculates the change of the high-frequency current to obtain the current frequency and the temperature of the current workpiece, the automatic detection on the temperature of the workpiece is realized, and after the temperature of the workpiece meets the heating requirement, the control system can realize the automatic temperature control on the workpiece according to a program and stop heating.
Description
Technical Field
The invention relates to the technical field of high-frequency heating, in particular to a high-frequency heating device with an automatic detection function.
Background
The high-frequency heating furnace is a device for converting electric energy into heat energy, and is widely applied to the field of quenching of various parts such as gears, nuts, shafts and the like. The high-frequency heating furnace adopts an induction heating process, a workpiece is placed in a coil, alternating current with certain frequency is applied to the coil, an alternating magnetic field is generated around the coil, closed induced current is generated in the workpiece under the action of electromagnetic induction of the alternating magnetic field, the induced current is converted into heat energy on the workpiece, the temperature of the workpiece is increased, and the workpiece is heated.
When heating parts, the existing high-frequency heating furnace can only be suitable for various small parts or shaft/column parts, and when the gear or the shaft part needs to be heated, different coils need to be replaced or the position or the posture of the whole heating furnace needs to be adjusted so as to adapt to the heating of the unused parts (the gear, the nut and the shaft part). The adjustment mode is time-consuming and labor-consuming, and is not beneficial to improving the heating efficiency of the parts.
Disclosure of Invention
It is an object of the present invention to provide a high-frequency heating apparatus with an automatic detection function, which solves the problems of the background art mentioned above.
In order to solve the technical problems, the invention provides the following technical scheme: a high-frequency heating device with an automatic detection function comprises a machine body, wherein a cabinet door is installed on the machine body, a display screen and a control key are installed on the cabinet door, the control key is used for regulating and controlling working parameters of the high-frequency heating device, the high-frequency heating device comprises a coil, a control box is installed in the machine body, a control system is installed in the control box, the coil is installed above the control box, and the coil is electrically connected with the control system;
a station through groove is formed in the machine body, a hanging plate is rotatably mounted above the station through groove, a through hole is formed in the middle of the hanging plate, a ventilating duct is mounted in the middle of the hanging plate, a magnetic plate is mounted below the ventilating duct, and a fan is mounted in the ventilating duct;
the magnetic plate is positioned in an alternating magnetic field generated by the coil, the alternating magnetic field enables the magnetic plate to do reciprocating motion, and the magnetic plate drives the fan to rotate. The control key is used for inputting instructions of an operator into the control system, the control system controls the coil to control the alternating current, the electrifying time and the like introduced into the coil, the coil generates an alternating magnetic field and heats a workpiece, the station through groove provides a passage for the workpiece to extend into the coil and the coil to rotate outside the machine body, the vertical plate is rotatably arranged at the station through groove, when the coil is positioned inside the machine body, the vertical plate is in a vertical state, when the coil is positioned outside the machine body and in a vertical state, the vertical plate is in a horizontal state and positioned above the coil, the magnetic plate is made of a permanent magnet and is positioned in the alternating magnetic field, when the alternating magnetic field changes direction, the magnetic plate linearly reciprocates on the ventilating cylinder leftwards, the reciprocating motion of the magnetic plate provides power for the rotation of the fan, the fan rotates and extracts air around the coil, and the air around the coil flows. The coil works to generate an alternating magnetic field, the workpiece generates an induced current in the alternating magnetic field, the induced current generates an alternating magnetic field (hereinafter referred to as an alternating induced magnetic field) with the direction opposite to the direction of the coil, the alternating induced magnetic field generates a reaction on the alternating magnetic field, so that the amplitude and the phase of high-frequency current introduced into the coil are changed, the control system monitors and calculates the change of the high-frequency current to obtain the current frequency and the temperature of the current workpiece, the automatic detection on the temperature of the workpiece is realized, when the temperature of the workpiece reaches the heating requirement, the control system displays the current temperature of the workpiece through a display screen, and then the control system can realize the automatic temperature control on the workpiece according to a program to stop heating, or the control system is linked with an external automatic feeding mechanism to realize the automatic replacement of the workpiece.
The longitudinal section of the ventilating duct is C-shaped, the fan comprises a ventilating ring and fan blades, the ventilating ring is rotatably arranged at one end, close to the vertical plate, of the ventilating duct, the fan blades are arranged in the ventilating ring, and a plurality of inclined propelling grooves are annularly formed in the outer side of the ventilating ring;
two pin shafts are mounted at a C-shaped opening of the ventilating duct, a driving roller is mounted on each pin shaft, a propelling belt is mounted on the two driving rollers together, and a propelling shaft is mounted on the propelling belt;
the improved magnetic plate comprises a vertical plate, a supporting shaft, a magnetic plate, a torsion spring, a push plate, a baffle and a baffle, wherein the supporting shaft is installed on the vertical plate, the magnetic plate is installed on the supporting shaft in a sliding mode, a slide is arranged at the upper end of the magnetic plate, the push plate is installed in the slide in a rotating mode through a pin shaft and the torsion spring, the torsion spring is sleeved on the pin shaft, one end of the torsion spring is fixed to the push plate, the other end of the torsion spring is fixed to the side wall of the slide, and a baffle rod is arranged on one side, close to the vertical plate, of the push plate in the slide. The propulsion groove is matched with the propulsion shaft, and when the propulsion shaft enters the propulsion groove, the propulsion shaft rotates in the ventilating duct in the movement process of the propulsion groove due to the inclination of the propulsion groove, so that the fan blades rotate. The driving roller is arranged on the pin shaft, the propelling shaft is arranged on the propelling belt, and the propelling belt provides support for the installation of the propelling shaft. The magnetic plate reciprocates under the action of the alternating magnetic field, and a propelling plate capable of rotating in a single direction is rotatably arranged above the magnetic plate. When the magnetic plate moves in the direction far away from the vertical plate, the pushing plate is kept in a vertical state and can not rotate under the blocking of the stop lever, and at the moment, the pushing plate contacts with the pushing shaft and pushes the pushing shaft to move, so that the pushing belt drives the rest pushing shafts to move, and the pushing shaft in the movement enters the pushing groove; when the magnetic plate moves towards the direction close to the vertical plate, the pushing plate rotates around the pin shaft and is in an inclined state under the blocking of the pushing shaft, so that the pushing plate avoids the position of the pushing shaft, and when the magnetic plate stops moving and moves in the opposite direction again, the pushing plate is quickly reset under the support of the torsion spring.
A housing is arranged on the outer side wall surface of the machine body, a heat dissipation frame is arranged in the housing, heat dissipation fins are arranged in the heat dissipation frame, the upper end and the lower end of the heat dissipation frame and the heat dissipation fins are of hollow structures, and the upper end and the lower end of each heat dissipation fin are respectively communicated with the upper end and the lower end of the heat dissipation frame;
the coil is wound by a hollow pipe, the two ends of the coil are communicated with the upper end and the lower end of the radiating frame through radiating pipelines respectively, the radiating pipelines penetrate through the control box and the machine body, one radiating pipeline is connected with a fan in series, and the fan is connected with a control system. When the coil is in the horizontality, if need cool down the heat dissipation to the coil, the fan extraction air in the cooling tube makes the air in the fin flow to fan department through the heat dissipation frame lower extreme to in the coil again, the air in the coil flows in the upper end of heat dissipation frame through another heat dissipation pipeline, and the heat dissipation of hot-air in the fin, the air after the heat dissipation gets into the coil again. The casing is a net structure (not shown) and is used only for protecting the heat dissipation frame and the heat dissipation fins and not for obstructing the air flow around the heat dissipation fins.
When the coil is in a vertical state, the end ball is separated from the butt joint ball, the fan directly extracts low-temperature air in a heat dissipation pipeline connected with the butt joint ball and infuses the low-temperature air into the coil to realize heat dissipation of the coil, and the end ball directly discharges hot air in the coil.
A temperature sensing plate is arranged on the side wall in the machine body and electrically connected with the control system;
the cooling fins are of a net structure, each branch of the cooling fins is provided with a refrigerating point, and the refrigerating points are electrically connected with the control system. The temperature sensing plate generates current by utilizing a Seebeck effect and transmits the current to the control system, when the coil is not required to be cooled, the current generated by the temperature sensing plate is stored by the control system, when the coil is required to be cooled, the control system is communicated with a circuit between the cooling points, the current generated by the temperature sensing plate can be utilized for control and control, the current stored before can be utilized, or the current generated by the temperature sensing plate is combined with the stored current and then output, the current enters the cooling points, and the cooling points absorb heat in hot air through the Peltier effect, so that the hot air is cooled. The temperature sensing plate and the refrigerating point are both composed of metal and semiconductors made of two different materials. The radiating fins are provided with the net structures and used for increasing the contact area between the radiating fins and air, so that the exposed area of the radiating fins is increased, the radiating of the air is accelerated, meanwhile, the radiating fins divide the hot air by utilizing branched pipelines, the hot air is divided into a plurality of strands of small air flows, and the radiating efficiency is further improved.
One end of the coil is L-shaped, a rotating frame is rotatably arranged at the other end of the coil, an end ball is arranged at the other end of the coil, the rotating frame is made of a hollow tube and is bent into an L shape, and one end of the rotating frame penetrates through the control box and is connected with the heat dissipation pipeline;
two risers are installed in the position that corresponds the end ball in control box top, two all be provided with the fixture block through the spring on the relative terminal surface of riser, the draw-in groove has been seted up on the relative terminal surface of fixture block, two be provided with the butt joint ball between the riser, the heat dissipation pipeline is connected to the one end of butt joint ball, butt joint ball and end ball inner space intercommunication. The riser provides the support for the installation of fixture block, and the fixture block passes through the spring mounting on the riser, and the spring makes the fixture block carry out the centre gripping to the end ball through elastic potential energy, and the end ball docks with the butt joint ball for in transmitting the hot-air in the coil to the heat dissipation pipeline. The rotating frame is used for supporting the coil, the coil rotates on the rotating frame, and the coil and the rotating frame are sealed through a movable sealing ring.
The control box is internally provided with two side plates, gear strips are arranged on the opposite end faces of the two side plates, a sliding rail is arranged between the two side plates in the control box, a bottom plate is slidably arranged on the sliding rail, rotary hydraulic cylinders are arranged in two ends of the bottom plate and are connected with a hydraulic system pipeline, gears are arranged on output shafts of the rotary hydraulic cylinders and are in meshing transmission with the gear strips, a connecting rod is arranged in the middle of the bottom plate, a through groove is formed in the position of the control box corresponding to the connecting rod, the connecting rod is positioned in the through groove, a sliding ring is arranged at the upper end of the connecting rod and is sleeved on a coil, the sliding ring is in contact with the coil, and the inner diameter of the sliding ring is the same as the outer diameter of the coil;
and one end of the coil connected with the rotating frame is electrically connected with a control system, and the slip ring is electrically connected with the control system. The side plates are used for supporting installation of the gear strips, the gear strips are in meshing transmission with the gears, the bottom plate can move on the sliding rails, the sliding rings are electrically connected with the control system, and the control system enables current to enter from one end of the coil and flow out from the position of the sliding rings after flowing through the coil. The rotating hydraulic cylinder drives the motor, so that the alternating magnetic field generated by the coil cannot influence the rotation of the rotating hydraulic cylinder. The slip ring slides on the coil and is used for adjusting the effective number of turns of the coil during working, enhancing the strength of an alternating magnetic field generated by the coil and being beneficial to accelerating the heating speed of a workpiece.
The connecting rod includes links up the pole and rotates the pneumatic cylinder of installing in linking pole one end, the one end of pneumatic cylinder is installed on the bottom plate, the one end of linking the pole is installed on the sliding ring. The hydraulic cylinder is a telescopic hydraulic cylinder and is connected with a hydraulic system pipeline. When the coil was in the horizontality, through the extension of pneumatic cylinder, can be with the state of coil jacking to slope, later, along with the bottom plate constantly toward the one end removal that is close to the swivel mount for the coil constantly up rotates, and the coil that makes becomes vertical state from the horizontality gradually. When the coil needs to be changed from a vertical state to a horizontal state, the rotary hydraulic cylinder works, the coil is pulled to an inclined state, the rotary hydraulic cylinder enables the bottom plate to move to a position close to the butt joint ball, then the hydraulic cylinder contracts until the end ball is clamped between the two clamping blocks and is in butt joint with the butt joint ball, the clamping blocks clamp and fix the end ball, and then the position of the sliding ring on the coil can be adjusted according to production needs.
After the coil becomes vertical state, the coil passes through the station logical groove and shifts out the organism, and after shifting out, the coil can cooperate with other mechanisms for heating gear, nut, bolt etc.. When the coil is in a horizontal state, the coil can be used for heating the columnar workpiece for heating. When the coil is in a vertical state, the bottom plate is fixed at a position under the support of the rotary hydraulic cylinder, the gear and the gear rack, and then the slip ring can slide on the coil by adjusting the extension and the contraction of the hydraulic cylinder, so that the effective number of turns of the coil when the workpiece is heated is adjusted again. Compare in the mode that directly improves the electric current and adjust alternating magnetic field intensity, change the effective number of turns of during operation coil, can reach the effect that reduces the heating energy consumption. And compare in the mode of the coil of the continuous number of turns of manual change, the mode of adjusting the coil number of turns is more swift in this application, has also reduced the existence of the coil of different numbers of turns simultaneously, has reduced manufacturing cost. According to the invention, by adjusting the extension and contraction of the hydraulic cylinder and the movement of the bottom plate, the coil can be in a horizontal state or a vertical state, the effect that the coil can heat different types of workpieces is realized, the application range is expanded, and the practicability of the high-frequency heating device is improved. When the coil is in the vertical state, one end of the coil is abutted against the hanging plate, so that the hanging plate is rotated from the vertical state to the horizontal state.
Compared with the prior art, the invention has the following beneficial effects:
1. the slip ring slides on the coil by adjusting the position of the bottom plate and the extension and contraction of the hydraulic cylinder, the effective number of turns of the coil is adjusted when the workpiece is heated, and compared with a mode of adjusting the intensity of the alternating magnetic field by directly improving the current, the effective number of turns of the coil is changed during working, so that the effect of reducing the heating energy consumption can be achieved. And compare in the mode of the coil of the continuous number of turns of manual change, the mode of adjustment coil number of turns is more swift in this application, has also reduced the existence of the coil of different numbers of turns simultaneously, has reduced manufacturing cost. The coil can be in a horizontal state or a vertical state by adjusting the extension and contraction of the hydraulic cylinder and the movement of the bottom plate, so that the effect that the coil can heat different types of workpieces is realized, the application range is expanded, and the practicability of the high-frequency heating device is improved.
2. The radiating fins are provided with the net structures and used for increasing the contact area between the radiating fins and air, so that the exposed area of the radiating fins is increased, the radiating of the air is accelerated, meanwhile, the radiating fins divide the hot air by utilizing the branched pipelines, the hot air is divided into a plurality of strands of small air flows, and the radiating efficiency is further improved.
3. The coil works to generate an alternating magnetic field, the workpiece generates an induced current in the alternating magnetic field, the induced current generates an alternating magnetic field with the direction opposite to the direction of the coil, the alternating induced magnetic field generates a reaction on the alternating magnetic field, so that the amplitude and the phase of high-frequency current introduced into the coil are changed, the control system monitors and calculates the change of the high-frequency current to obtain the current frequency and the temperature of the current workpiece, the automatic detection on the temperature of the workpiece is realized, after the temperature of the workpiece reaches the heating requirement, the control system displays the temperature of the current workpiece through the display screen, and then the control system can realize the automatic temperature control on the workpiece according to a program to stop heating, or the control system is linked with an external automatic feeding mechanism to realize the automatic replacement of the workpiece.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a perspective view of the overall construction of the present invention;
FIG. 2 is a perspective view of the heat sink of the present invention;
FIG. 3 is a front elevational view of the overall construction of the present invention;
FIG. 4 isbase:Sub>A cross-sectional view taken in the direction A-A of FIG. 3 of the present invention;
FIG. 5 is a perspective view of the internal structure of the control box of the present invention;
FIG. 6 is a schematic illustration of the end ball and docking ball connection of the present invention;
FIG. 7 is a left side half-sectional view of the air funnel of the present invention;
FIG. 8 is an enlarged fragmentary view of area A of FIG. 7 in accordance with the present invention;
FIG. 9 is a schematic view of a propulsion ring configuration of the present invention;
FIG. 10 is a cross-sectional view of a fin member structure of the present invention;
figure 11 is a top half cross-sectional view of the rotary fluid cylinder of the present invention.
In the figure:
1. a body; 101. a display screen; 102. a station through groove; 103. a hanging plate; 104. a funnel; 104a, a ventilation ring; 104b, a push belt; 104c, a propulsion shaft; 104d, a propulsion tank; 105. a housing; 106. a heat dissipation frame; 107. a heat sink; 107a, a refrigeration point; 108. a magnetic plate; 109. a propulsion plate; 110. a control box; 111. a support shaft;
2. a coil; 201. a slip ring; 202. a rotating frame; 203. a connecting rod; 204. a hydraulic cylinder; 205. a side plate; 206. a gear; 207. a base plate; 208. a rotary hydraulic cylinder; 208a, an output shaft; 209. a vertical plate; 210. a clamping block; 211. carrying out ball end; 212. the ball is butted.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 11, the present invention provides a technical solution:
including organism 1, install the cabinet door on the organism 1, install display screen 101 and control button (not drawn in the figure) on the cabinet door, the control button is used for regulating and controlling high frequency heating device's operating parameter, the control button is used for operating personnel's instruction input control system, control system controls coil 2, make the alternating current size that lets in coil 2, the circular telegram time etc. is controlled, high frequency heating device includes coil 2, install control box 110 in the organism 1, install control system in the control box 110, the top at control box 110 is installed to coil 2, coil 2 is connected with the control system electricity.
Universal wheels are arranged below the machine body 1, and the working position of the high-frequency heating device can be flexibly adjusted by utilizing the universal wheels.
When it is necessary to heat various parts, the parts can be fed into the coil 2 of the high-frequency heating apparatus by using a feeding device.
A station through groove 102 is formed in the machine body 1, a vertical plate 103 is rotatably mounted above the station through groove 102, a through hole is formed in the middle of the vertical plate 103, a ventilating duct 104 is mounted on the through hole, a magnetic plate 108 is mounted below the ventilating duct 104, and a fan is mounted in the ventilating duct 104;
the magnetic plate 108 is located in the alternating magnetic field generated by the coil 2, the alternating magnetic field makes the magnetic plate 108 reciprocate, and the magnetic plate 108 drives the fan to rotate.
The coil 2 generates an alternating magnetic field and heats the workpiece, the station through groove 102 provides a passage for the workpiece to extend into the coil 2 and the coil 2 to rotate outside the machine body 1, the hanging plate 103 is rotatably installed at the station through groove 102, when the coil 2 is positioned inside the machine body 1, the hanging plate 103 is in a vertical state, when the coil 2 is positioned outside the machine body 1 and is in a vertical state, the hanging plate 103 is in a horizontal state and is positioned above the coil 2, the magnetic plate 108 is made of a permanent magnet, the magnetic plate 108 is positioned in the alternating magnetic field, when the alternating magnetic field changes the direction, the magnetic plate 108 makes a linear reciprocating motion on the ventilating cylinder 104, the reciprocating motion of the magnetic plate 108 provides power for the rotation of the fan, so that the fan rotates and extracts air around the coil 2, and the air around the coil 2 flows.
The coil 2 works to generate an alternating magnetic field, the workpiece generates an induced current in the alternating magnetic field, the induced current generates an alternating induced magnetic field with the direction opposite to that of the coil 2, the alternating induced magnetic field generates a reaction on the alternating magnetic field, so that the amplitude and the phase of high-frequency current introduced into the coil 2 are changed, the control system monitors and calculates the change of the high-frequency current to obtain the current frequency and the temperature of the current workpiece, the automatic detection on the temperature of the workpiece is realized, when the temperature of the workpiece meets the heating requirement, the control system displays the temperature of the current workpiece through the display screen 101, and then the control system can be linked with an external automatic feeding mechanism to realize the automatic replacement of the workpiece.
The longitudinal section of the ventilating duct 104 is C-shaped, the fan comprises a ventilating ring 104a and fan blades, the ventilating ring 104a is rotatably arranged at one end of the ventilating duct 104 close to the vertical plate 103, the fan blades are arranged in the ventilating ring 104a, and a plurality of inclined propelling grooves 104d are annularly formed in the outer side of the ventilating ring 104 a;
two pin shafts are arranged at the C-shaped opening of the ventilating duct 104, a driving roller is arranged on each pin shaft, a propelling belt 104b is arranged on the two driving rollers together, and a propelling shaft 104C is arranged on the propelling belt 104 b;
the supporting shaft 111 is installed on the hanging plate 103, the magnetic plate 108 is installed on the supporting shaft 111 in a sliding mode, the upper end of the magnetic plate 108 is provided with a slide way, the push plate 109 is installed in the slide way in a rotating mode through a pin shaft and a torsion spring, the torsion spring is sleeved on the pin shaft, one end of the torsion spring is fixed on the push plate 109, the other end of the torsion spring is fixed on the side wall of the slide way, and a stop lever is arranged on one side, close to the hanging plate 103, of the push plate 109 in the slide way.
The magnetic plate 108 reciprocates under the action of the alternating magnetic field, and a propelling plate 109 which can rotate in a single direction is rotatably arranged above the magnetic plate 108.
When the magnetic plate 108 moves away from the vertical plate 103, the pushing plate 109 is kept in a vertical state and is not rotated under the blocking of the blocking rod, the pushing groove 104d is matched with the pushing shaft 104c, and when the pushing shaft 104c enters the pushing groove 104d, the pushing shaft 104c rotates in the ventilating duct 104a due to the inclination of the pushing groove 104d during the movement of the pushing shaft 104c in the pushing groove 104d, so that the fan blades rotate. The pushing plate 109 contacts the pushing shaft 104c and pushes the pushing shaft 104c to move, so that the pushing belt 104b drives the other pushing shafts 104c to move, and the moving pushing shaft 104c enters the pushing groove 104d;
when the magnetic plate 108 moves towards the direction close to the hanging plate 103, the pushing plate 109 rotates around the pin shaft and is in an inclined state under the blocking of the pushing shaft 104c, so that the pushing plate 109 avoids the position of the pushing shaft 104c, and when the magnetic plate 108 stops moving and moves towards the opposite direction again, the pushing plate 109 is rapidly reset under the support of the torsion spring.
A temperature sensing plate is arranged on the side wall inside the machine body 1 and is electrically connected with a control system;
the outer side wall surface of the machine body 1 is provided with a housing 105, a heat dissipation frame 106 is arranged in the housing 105, a heat dissipation fin 107 is arranged in the heat dissipation frame 106, the upper end and the lower end of the heat dissipation frame 106 and the heat dissipation fin 107 are both of a hollow structure, and the upper end and the lower end of the heat dissipation fin 107 are respectively communicated with the upper end and the lower end of the heat dissipation frame 106;
the coil 2 is wound by a hollow tube, two ends of the coil 2 are respectively communicated with the upper end and the lower end of the heat dissipation frame 106 through heat dissipation pipelines, the heat dissipation pipelines penetrate through the control box 110 and the machine body 1, one of the heat dissipation pipelines is connected with a fan in series, and the fan is connected with a control system.
The radiating fins 107 are of a net structure, each branch of the radiating fins 107 is provided with a refrigerating point 107a, and the refrigerating points 107a are electrically connected with a control system.
The temperature sensing plate generates current by utilizing a Seebeck effect and transmits the current to the control system, when the coil 2 is not required to be cooled, the current generated by the temperature sensing plate is stored by the control system, when the coil 2 is required to be cooled, the control system is communicated with a circuit between the temperature sensing plate and the cooling point 107a, the current generated by the temperature sensing plate and the previously stored current can be utilized for control and control, or the current generated by the temperature sensing plate and the stored current are combined and then output, the current enters the cooling point 107a, and the cooling point 107a absorbs heat in hot air through the Peltier effect to realize the cooling of the hot air. The temperature sensing plate and the refrigeration point 107a are both made of metal and semiconductors made of two different materials. The radiating fins 107 are provided with a net structure for increasing the contact area between the radiating fins 107 and the air, so that the exposed area of the radiating fins 107 is increased, which is beneficial to accelerating the heat dissipation of the air, and meanwhile, the radiating fins 107 divide the hot air by utilizing a branched pipeline, so that the hot air is divided into a plurality of strands of small air flows, and the heat dissipation efficiency is further improved.
When the coil 2 needs to be cooled, the fan extracts air in the heat dissipation pipe, so that the air in the heat dissipation plate 107 flows to the fan through the lower end of the heat dissipation frame 106 and enters the coil 2 again, the air in the coil 2 flows into the upper end of the heat dissipation frame 106 through another heat dissipation pipeline, the hot air dissipates heat in the heat dissipation plate 107, and the dissipated air enters the coil 2 again. The casing 105 is a mesh structure, and serves only to protect the heat sink frame 106 and the heat sink 107, and does not obstruct the flow of air around the heat sink 107.
One end of the coil 2 is L-shaped and is rotatably provided with a rotating frame 202, the other end of the coil 2 is provided with an end ball 211, the rotating frame 202 is made of a hollow tube and is bent to be L-shaped, and one end of the rotating frame 202 penetrates through the control box 110 and is connected with a heat dissipation pipeline;
two risers 209 are installed in the position that corresponds end ball 211 in control box 110 top, all are provided with fixture block 210 through the spring on the relative terminal surface of two risers 209, have seted up the draw-in groove on the relative terminal surface of fixture block 210, are provided with butt joint ball 212 between two risers 209, and the heat dissipation pipeline is connected to the one end of butt joint ball 212, and butt joint ball 212 communicates with end ball 211 inner space. Riser 209 provides the support for fixture block 210's installation, and fixture block 210 passes through the spring mounting on riser 209, and the spring makes fixture block 210 carry out the centre gripping to end ball 211 through elastic potential energy, and end ball 211 docks with butt joint ball 212 for in transmitting the hot-air in the coil 2 to the heat dissipation pipeline. The rotating frame 202 is used for supporting the coil 2, the coil 2 rotates on the rotating frame 202, and the coil 2 and the rotating frame 202 are sealed by a dynamic sealing ring.
Two side plates 205 are arranged inside the control box 110, gear strips are arranged on the opposite end faces of the two side plates 205, a sliding rail is arranged between the two side plates 205 inside the control box 110, a bottom plate 207 is slidably arranged on the sliding rail, rotary hydraulic cylinders 208 are arranged inside two ends of the bottom plate 207, the rotary hydraulic cylinders 208 are connected with a hydraulic system pipeline, gears 206 are arranged on output shafts 208a of the rotary hydraulic cylinders 208, the gears 206 are in meshing transmission with the gear strips, a connecting rod is arranged in the middle of the bottom plate 207, a through groove is formed in the control box 110 corresponding to the connecting rod, the connecting rod is located in the through groove, a sliding ring 201 is arranged at the upper end of the connecting rod, the sliding ring 201 is sleeved on the coil 2, the sliding ring 201 is in contact with the coil 2, and the inner diameter of the sliding ring 201 is the same as the outer diameter of the coil 2;
one end of the coil 2 connected to the rotating frame 202 is electrically connected to a control system, and the slip ring 201 is electrically connected to the control system. The side plate 205 is used for supporting installation of a gear rack, the gear rack is in meshing transmission with the gear 206, so that the bottom plate 207 can move on a sliding rail, the slip ring 201 is electrically connected with a control system, and the control system enables current to enter from one end of the coil 2, flow through the coil 2 and then flow out from the position of the slip ring 201. The rotary cylinder 208 drives the electric motor so that the alternating magnetic field generated by the coil 2 cannot affect the rotation of the rotary cylinder 208. The slip ring 201 slides on the coil 2 and is used for adjusting the effective number of turns of the coil 2 during working, enhancing the strength of an alternating magnetic field generated by the coil 2 and being beneficial to accelerating the heating speed of a workpiece.
The connecting rod comprises an engaging rod 203 and a hydraulic cylinder 204 rotatably mounted at one end of the engaging rod 203, one end of the hydraulic cylinder 204 is mounted on the bottom plate 207, and one end of the engaging rod 203 is mounted on the slip ring 201. The hydraulic cylinder 204 is a telescopic hydraulic cylinder and is connected with a hydraulic system pipeline. When the coil 2 is in a horizontal state, the coil 2 can be lifted to an inclined state through the extension of the hydraulic cylinder 204, and then the coil 2 continuously rotates upwards along with the continuous movement of the bottom plate 207 towards one end close to the rotating frame 202, so that the coil 2 is gradually changed into a vertical state from the horizontal state. When the coil 2 needs to be changed from the vertical state to the horizontal state, the rotary hydraulic cylinder 208 works, the coil 2 is pulled to the inclined state, the rotary hydraulic cylinder 208 enables the bottom plate 207 to move to a position close to the butting ball 212, then the hydraulic cylinder 204 contracts until the end ball 211 is clamped between the two clamping blocks 210 and is butted with the butting ball 212, the clamping blocks 210 clamp and fix the end ball 211, and then the position of the sliding ring 201 on the coil 2 can be adjusted according to production requirements.
After the coil 2 becomes the vertical state, the coil 2 moves out of the machine body 1 through the station through groove 102, and after the coil 2 moves out, the coil 2 can be matched with other mechanisms and used for heating gears, nuts, bolts and the like. When the coil 2 is in a horizontal state, the coil 2 can be used for heating a columnar workpiece for heating. After the coil 2 is in the vertical state, the base plate 207 is fixed in a position supported by the rotary hydraulic cylinder, the gear and the rack, and then the effective number of turns of the coil 2 when the workpiece is heated can be adjusted again by adjusting the extension and contraction of the hydraulic cylinder 204 to slide the slip ring 201 on the coil 2. Compared with the mode of directly improving the current to adjust the intensity of the alternating magnetic field, the effective number of turns of the coil 2 is changed during working, and the effect of reducing the heating energy consumption can be achieved. And compare in the mode of the coil 2 of the continuous number of turns of manual change, the mode of adjusting 2 numbers of turns of coil is more swift in this application, has also reduced the existence of the coil 2 of different numbers of turns simultaneously, has reduced manufacturing cost. According to the invention, by adjusting the extension and contraction of the hydraulic cylinder 204 and the movement of the bottom plate 207, the coil 2 can be in a horizontal state or a vertical state, the effect that the coil 2 can heat different types of workpieces is realized, the application range is expanded, and the practicability of the high-frequency heating device is improved. When the coil 2 is in the vertical state, one end of the coil 2 abuts on the hanging plate 103, and the hanging plate 103 is rotated from the vertical state to the horizontal state.
The working principle of the invention is as follows:
the control key is used for regulating and controlling working parameters of the high-frequency heating device, the control key is used for inputting instructions of an operator into the control system, the control system controls the coil 2 to control the size of alternating current, the electrifying time and the like introduced into the coil 2, the high-frequency heating device comprises the coil 2, a control box 110 is installed in the machine body 1, the control system is installed in the control box 110, the coil 2 is installed above the control box 110, and the coil 2 is electrically connected with the control system.
When the columnar workpiece is heated, the coil 2 is in a horizontal state, the columnar workpiece can penetrate through the coil 2 and move out of the other end of the machine body 1, the coil 2 generates an alternating magnetic field and heats the workpiece, and the coil 2 works to generate the alternating magnetic field;
when parts such as gear, nut, bolt heat, through the extension of pneumatic cylinder 204, can be with coil 2 jacking to the state of slope, later, along with bottom plate 207 constantly toward the one end that is close to swivel mount 202 removes for coil 2 constantly up is rotatory, and coil 2 that makes becomes vertical state from the horizontality gradually. After the coil 2 is in the vertical state, the base plate 207 is fixed in a position supported by the rotary hydraulic cylinder, the gear and the rack, and then the effective number of turns of the coil 2 when heating the workpiece can be adjusted again by adjusting the extension and contraction of the hydraulic cylinder 204 to slide the slip ring 201 on the coil 2.
The workpiece generates induction current in the alternating magnetic field, the induction current generates an alternating induction magnetic field with the direction opposite to that of the coil 2, the alternating induction magnetic field generates a reaction on the alternating magnetic field, the amplitude and the phase of high-frequency current introduced into the coil 2 are changed, the control system monitors and calculates the change of the high-frequency current to obtain the current frequency and the temperature of the current workpiece, the automatic detection of the temperature of the workpiece is realized, after the temperature of the workpiece meets the heating requirement, the control system displays the current temperature of the workpiece through the display screen 101, and then the control system can be linked with an external automatic feeding mechanism to realize the automatic replacement of the workpiece.
When the coil 2 needs to be changed from the vertical state to the horizontal state, the rotary hydraulic cylinder 208 works, the coil 2 is pulled to the inclined state, the rotary hydraulic cylinder 208 enables the bottom plate 207 to move to a position close to the butting ball 212, then the hydraulic cylinder 204 contracts until the end ball 211 is clamped between the two clamping blocks 210 and is butted with the butting ball 212, the clamping blocks 210 clamp and fix the end ball 211, and then the position of the sliding ring 201 on the coil 2 can be adjusted according to production requirements.
When the coil 2 needs to be cooled, the control system is communicated with a circuit between the control system and the cooling point 107a, the current generated by the temperature sensing plate or the previously stored current can be utilized for control and control, or the current generated by the temperature sensing plate and the stored current are combined and then output, the current enters the cooling point 107a, and the cooling point 107a absorbs heat in hot air through the Peltier effect to realize the cooling of the hot air.
The blower fan pumps the air in the heat dissipating tube, so that the air in the heat dissipating fin 107 flows to the blower fan through the lower end of the heat dissipating frame 106 and enters the coil 2 again, the air in the coil 2 flows into the upper end of the heat dissipating frame 106 through another heat dissipating pipe, the hot air dissipates heat in the heat dissipating fin 107, and the dissipated air enters the coil 2 again.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (4)
1. The utility model provides a high-frequency heating device with automated inspection function, includes organism (1), installs the cabinet door on organism (1), installs display screen (101) and control button on the cabinet door, and control button is used for regulating and control high-frequency heating device's working parameter, its characterized in that: the high-frequency heating device comprises a coil (2), a control box (110) is installed in the machine body (1), a control system is installed in the control box (110), the coil (2) is installed above the control box (110), and the coil (2) is electrically connected with the control system;
a station through groove (102) is formed in the machine body (1), a hanging plate (103) is rotatably mounted above the station through groove (102), a through hole is formed in the middle of the hanging plate (103) and a ventilating duct (104) is mounted, a magnetic plate (108) is mounted below the ventilating duct (104), and a fan is mounted in the ventilating duct (104);
the magnetic plate (108) is positioned in an alternating magnetic field generated by the coil (2), the alternating magnetic field enables the magnetic plate (108) to reciprocate, and the magnetic plate (108) drives the fan to rotate;
one end of the coil (2) is L-shaped and is rotatably provided with a rotating frame (202), the other end of the coil (2) is provided with an end ball (211), the rotating frame (202) is made of a hollow tube and is bent into an L shape, and one end of the rotating frame (202) penetrates through the control box (110) and is connected with a heat dissipation pipeline;
two vertical plates (209) are arranged above the control box (110) at positions corresponding to the end balls (211), clamping blocks (210) are arranged on the opposite end faces of the two vertical plates (209) through springs, clamping grooves are formed in the opposite end faces of the clamping blocks (210), a butt joint ball (212) is arranged between the two vertical plates (209), one end of the butt joint ball (212) is connected with a heat dissipation pipeline, and the butt joint ball (212) is communicated with the inner space of the end ball (211);
two side plates (205) are arranged in the control box (110), gear strips are arranged on the opposite end faces of the two side plates (205), a sliding rail is arranged between the two side plates (205) in the control box (110), a bottom plate (207) is slidably mounted on the sliding rail, rotary hydraulic cylinders (208) are mounted in two ends of the bottom plate (207), the rotary hydraulic cylinders (208) are connected with a hydraulic system pipeline, a gear (206) is mounted on an output shaft (208 a) of the rotary hydraulic cylinders (208), the gear (206) is in meshing transmission with the gear strips, a connecting rod is mounted in the middle of the bottom plate (207), a through groove is formed in the position, corresponding to the connecting rod, of the control box (110), the connecting rod is located in the through groove, a sliding ring (201) is mounted at the upper end of the connecting rod, the sliding ring (201) is sleeved on the coil (2), the sliding ring (201) is in contact with the coil (2), and the inner diameter of the sliding ring (201) is the same as the outer diameter of the coil (2);
one end of the coil (2) connected with the rotating frame (202) is electrically connected with a control system, and the slip ring (201) is electrically connected with the control system;
the connecting rod comprises a connecting rod (203) and a hydraulic cylinder (204) rotatably mounted at one end of the connecting rod (203), one end of the hydraulic cylinder (204) is mounted on the bottom plate (207), and one end of the connecting rod (203) is mounted on the sliding ring (201);
the coil (2) is connected with high-frequency current, and the control system monitors and calculates the high-frequency current to realize automatic detection of the temperature of the workpiece.
2. A high-frequency heating apparatus with an automatic detection function according to claim 1, characterized in that: the longitudinal section of the ventilating duct (104) is C-shaped, the fan comprises a ventilating ring (104 a) and fan blades, the ventilating ring (104 a) is rotatably arranged at one end, close to the vertical plate (103), of the ventilating duct (104), the fan blades are arranged in the ventilating ring (104 a), and a plurality of inclined pushing grooves (104 d) are annularly formed in the outer side of the ventilating ring (104 a);
two pin shafts are mounted at a C-shaped opening of the ventilating duct (104), a driving roller is mounted on each pin shaft, a propelling belt (104 b) is mounted on the two driving rollers together, and a propelling shaft (104C) is mounted on the propelling belt (104 b);
install back shaft (111) on board (103) hangs down, magnetic sheet (108) slidable mounting is on back shaft (111), the slide has been seted up to the upper end of magnetic sheet (108), rotate through round pin axle and torsion spring in the slide and install propulsion board (109), the torsion spring cover is established at the epaxial round pin, and torsion spring one end is fixed on propulsion board (109), and the torsion spring other end is fixed on the slide lateral wall, one side that inherent propulsion board (109) of slide are close to board (103) that hangs down is provided with the pin.
3. A high-frequency heating apparatus with an automatic detection function according to claim 1, characterized in that: a housing (105) is arranged on the outer side wall surface of the machine body (1), a heat dissipation frame (106) is arranged in the housing (105), heat dissipation fins (107) are arranged in the heat dissipation frame (106), the upper end and the lower end of the heat dissipation frame (106) and the heat dissipation fins (107) are both of a hollow structure, and the upper end and the lower end of each heat dissipation fin (107) are respectively communicated with the upper end and the lower end of the heat dissipation frame (106);
the coil (2) is wound by a hollow pipe, the two ends of the coil (2) are communicated with the upper end and the lower end of the heat dissipation frame (106) through heat dissipation pipelines respectively, the heat dissipation pipelines penetrate through the control box (110) and the machine body (1), a fan is connected with one of the heat dissipation pipelines in series, and the fan is connected with the control system.
4. A high-frequency heating apparatus with an automatic detection function according to claim 3, characterized in that: a temperature sensing plate is arranged on the side wall inside the machine body (1), and the temperature sensing plate is electrically connected with a control system;
the radiating fins (107) are of a net structure, each branch of the radiating fins (107) is provided with a refrigerating point (107 a), and the refrigerating points (107 a) are electrically connected with a control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310097256.8A CN115776742B (en) | 2023-02-10 | 2023-02-10 | High-frequency heating device with automatic detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310097256.8A CN115776742B (en) | 2023-02-10 | 2023-02-10 | High-frequency heating device with automatic detection function |
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| Publication Number | Publication Date |
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| CN115776742A CN115776742A (en) | 2023-03-10 |
| CN115776742B true CN115776742B (en) | 2023-04-18 |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB560630A (en) * | 1941-03-21 | 1944-04-13 | Budd Induction Heating Inc | Improvements in or relating to induction heating apparatus |
| JP2012109040A (en) * | 2010-11-15 | 2012-06-07 | Mitsubishi Electric Corp | High-frequency induction heating method and apparatus thereof |
| CN207560375U (en) * | 2017-11-30 | 2018-06-29 | 聚和磁能（天津）科技有限公司 | A kind of frequency-shift keying electromagnetic induction heater |
| CN215810146U (en) * | 2021-06-10 | 2022-02-11 | 西普曼增材科技(宁夏)有限公司 | Refractory metal melting device based on electromagnetic induction heating |
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