Lifting type intermediate frequency electric furnace
By using a dual-head motor to drive a worm gear transmission and a fixing mechanism, the problems of synchronization error and cumbersome operation of medium-frequency electric furnaces have been solved, enabling smooth lifting and lowering of the furnace body and easy opening of the top cover, thus improving work efficiency.
Patent Information
- Application Number
- CN202422968759.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Existing lifting-type medium-frequency electric furnaces suffer from synchronization errors and cumbersome operation, affecting stability and work efficiency.
The furnace body is raised and lowered smoothly by using a dual-head motor-driven worm gear transmission system and a fixing mechanism, and the top cover can be easily opened by pulling the plug-in column.
It improves the stability and accuracy of furnace body lifting and lowering, simplifies the operation process, and increases work efficiency.
Smart Images

Figure CN223610567U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of intermediate frequency electric furnace especially relates to a lifting type intermediate frequency electric furnace. BACKGROUND
[0002] Intermediate frequency electric furnace is a kind of equipment for metal heating using electromagnetic induction principle, it is converted into direct current by three-phase power frequency alternating current, and further adjusted to controllable intermediate frequency current, is supplied by the load consisting of capacitor and inductor, to generate high-density magnetic force line in inductor, effectively cut and heat the metal material in furnace, is widely used in metal smelting, heat treatment and forging etc.
[0003] The Chinese patent with the publication number CN216482241U and the name of a lifting type intermediate frequency electric furnace includes furnace body, the both ends of the furnace body are fixedly installed with bottom disc and top disc respectively, the bottom of the bottom disc is provided with base, the outer surface of the base is uniformly fixedly installed with extension block, the upper surface of the extension block is fixedly installed with motor, the output end of the motor is fixedly installed with lead screw, the top end of the lead screw is provided with top ring, the top end of the lead screw is rotatably connected with the lower surface of top ring, the outer surface of the lead screw is fixedly installed with lifting block in the outer surface of the lifting block. The electric furnace lifting system described in the patent adopts multiple motors to drive cooperatively, however, this multiple motor driving mode is easy to introduce synchronization error, and then adversely affects the stable lifting of the electric furnace device. In addition, the opening mode of the top cover of the electric furnace currently relies on manual screwing of bolts, which is relatively cumbersome and inefficient, affecting the overall work efficiency. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the shortcomings in the prior art and provides a lifting type intermediate frequency electric furnace.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A lifting type intermediate frequency electric furnace, including furnace body, the lower part of the furnace body is equipped with base, the upper end of the base is fixedly connected with support block on the left and right sides, the furnace body is equipped with circular ring, the lower part of the circular ring is equipped with the hole groove block fixedly connected with the furnace body on the left and right sides, the base is equipped with the driving mechanism that drives the movement of two hole groove blocks, the upper end of the furnace body is fixedly connected with fixed plate, the fixed plate is equipped with the notch that is communicated with the furnace body and is penetrated, the upper end of the fixed plate is fixedly connected with fixed frame, the fixed frame is rotatably connected with top cover on one side through the pivot, the other side of the top cover and fixed frame is connected through fixed mechanism.
[0007] As a further improvement of the utility model, the driving mechanism comprises a double-head motor fixedly connected to the upper end of the base, both output shaft ends of the double-head motor are fixedly connected with worms, the other ends of the two worms are rotatably connected to the side walls of the two supporting blocks, both worms are meshed with worm gears, both worm gears are fixedly inserted with threaded rods, the lower ends of the two threaded rods are rotatably connected to the base, and the upper ends of the two threaded rods are rotatably threaded through the two hole groove blocks and connected to the annular ring.
[0008] As a further improvement of the utility model, the fixing mechanism comprises a lower fixing block fixedly connected to the side wall of the fixing frame, an upper fixing block fixedly connected to the top cover is arranged above the lower fixing block, an insertion hole is formed in the upper end of the lower fixing block, an insertion column is arranged above the upper fixing block, the lower end of the insertion column penetrates through the upper fixing block and is inserted into the insertion hole, a pulling block is fixedly connected to the upper end of the insertion column, a spring sleeved with the insertion column is fixedly connected to the lower end of the pulling block, and the other end of the spring is fixedly connected to the upper end of the upper fixing block.
[0009] As a further improvement of the utility model, the lower ends of the two sides of the furnace body are fixedly connected with sliding blocks, sliding rods are inserted through the two sliding blocks, and the lower ends of the two sliding rods are fixedly connected to the upper end of the base.
[0010] As a further improvement of the utility model, the front and rear sides of the two annular rings are fixedly connected with semicircular blocks integrally formed thereon, and the upper ends of the two sliding rods are fixedly connected to the lower ends of the two semicircular blocks.
[0011] As a further improvement of the utility model, threaded slots matched with the two threaded rods are formed in the two hole groove blocks.
[0012] The utility model discloses the beneficial effects of:
[0013] By setting the double-head motor as the driving source, the two output shafts rotate synchronously, and the synchronous rotation of the two threaded rods is converted through the transmission effect of the worm-gear, so that the furnace body is driven to rise and fall, the synchronous error caused by the driving of multiple independent motors is reduced, and the stability and accuracy of the furnace body rising and falling are ensured.
[0014] By setting the fixing mechanism, the pulling block on the insertion column is pulled to be separated from the insertion hole, then the top cover can be rotated to open and close the fixing frame, without complicated manual bolt operation, not only the operation process is simplified, but also the overall working efficiency is improved.
[0015] The utility model realizes high stability and accuracy of the furnace body rising and falling, simplifies the operation process and improves the working efficiency. ACCURACY
[0016] Figure 1 A structure schematic view of the lifting type intermediate frequency electric furnace is provided in the utility model.
[0017] Figure 2 A structure schematic view of the partial section of the fixed frame, the top cover, the fixed plate and the fixed mechanism connection of the lifting type intermediate frequency electric furnace is provided in the utility model.
[0018] Figure 3 For Figure 1 The enlarged view of A.
[0019] In the figure: 1 base, 2 furnace body, 3 support block, 4 hole groove block, 5 threaded rod, 6 circular ring, 7 sliding rod, 8 sliding block, 9 double-head motor, 10 worm, 11 fixed plate, 12 fixed frame, 13 top cover, 14 lower fixed block, 15 upper fixed block, 16 plug-in column, 17 plug-in hole, 18 spring, 19 worm wheel. Specific implementation
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0021] Figures 1-3 A lifting type intermediate frequency electric furnace, including furnace body 2, the furnace body 2 is designed to accommodate and heat metal material, the lower portion of furnace body 2 is equipped with base 1, the upper end of base 1 is fixedly connected with support block 3 on both sides through the mode of welding, which provides installation base for other components, the furnace body 2 is sleeved with circular ring 6, the circular ring 6 is used to provide installation base, the lower end of the furnace body 2 is fixedly connected with sliding block 8 on both sides, the sliding rod 7 is inserted through the two sliding blocks 8, the sliding block 8 and the sliding rod 7 cooperate to guide the lifting of the furnace body 2, the lower end of the two sliding rods 7 is fixedly connected on the upper end of base 1 through welding, the front and rear sides of the two circular rings 6 are fixedly connected with semicircle blocks integrally formed, the semicircle blocks are used to limit the moving distance of sliding block 8, the upper end of the two sliding rods 7 is fixedly connected on the lower end of the two semicircle blocks respectively.
[0022] The lower left and right sides of the circular ring 6 are provided with hole and groove blocks 4 fixedly connected with the furnace body 2, the base 1 is provided with a driving mechanism for driving the two hole and groove blocks 4 to move, the movement of the two hole and groove blocks 4 drives the furnace body 2 to move up and down, the driving mechanism comprises a double-head motor 9 fixedly connected to the upper end of the base 1, the double-head motor 9 has two output shafts rotating synchronously, the two output shafts of the double-head motor 9 are fixedly connected with worms 10, the other ends of the two worms 10 are rotatably connected to the side walls of the two supporting blocks 3, the two worms 10 are meshed with worm gears 19, the rotation of the two worms 10 drives the two meshed worm gears 19 to rotate, the two worm gears 19 are fixedly inserted with threaded rods 5, the rotation of the two worm gears 19 drives the two threaded rods 5 to rotate, the lower ends of the two threaded rods 5 are rotatably connected to the base 1, the two hole and groove blocks 4 are provided with threaded slots matched with the two threaded rods 5, the upper ends of the two threaded rods 5 are threadedly penetrated through the two hole and groove blocks 4 and rotatably connected to the circular ring 6, and the rotation of the two threaded rods 5 drives the two hole and groove blocks 4 to move in threads.
[0023] The upper end of the furnace body 2 is fixedly connected with a fixed plate 11, the fixed plate 11 is used for providing an installation basis, a slot is formed in the fixed plate 11 and communicates with the furnace body 2, the upper end of the fixed plate 11 is fixedly connected with a fixed frame 12 through bolts, one side of the fixed frame 12 is rotatably connected with a top cover 13 through a rotating shaft, the top cover 13 is used for opening and closing the fixed frame 12, the other side of the fixed frame 12 is connected with the top cover 13 through a fixing mechanism, the fixing mechanism comprises a lower fixed block 14 fixedly connected to the side wall of the fixed frame 12, the upper side of the lower fixed block 14 is provided with an upper fixed block 15 fixedly connected with the top cover 13, the upper end of the lower fixed block 14 is provided with an insertion hole 17, the upper side of the upper fixed block 15 is provided with an insertion column 16 matched with the insertion hole 17 in size, the lower end of the insertion column 16 penetrates through the upper fixed block 15 and is inserted into the insertion hole 17, the upper end of the insertion column 16 is fixedly connected with a pulling block, the pulling block is used for assisting the insertion column 16 to be separated from the insertion hole 17, the lower end of the pulling block is fixedly connected with a spring 18 sleeved with the insertion column 16, the spring 18 is used for assisting the insertion column 16 to be inserted into the insertion hole 17 after losing external pulling force, and the other end of the spring 18 is fixedly connected to the upper end of the upper fixed block 15.
[0024] In use, the worker drives the double-head motor 9 to drive the two worms 10 to rotate, the rotation of the two worms 10 drives the two worm gears 19 to rotate, and then drives the two threaded rods 5 to rotate, the rotation of the two threaded rods 5 drives the two hole and groove blocks 4 to move up and down under the action of threads, and then drives the furnace body 2 to move up and down, when it is necessary to open the top cover 13, the insertion column 16 is pulled out of the insertion hole 17 by pulling the pulling block on the insertion column 16, then the top cover 13 is rotated around the rotating shaft, and then the top cover 13 is opened.
[0025] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. An intermediate frequency electric furnace of the lifting type comprising a furnace body (2), characterized in that, The lower part of the furnace body (2) is provided with a base (1), the upper end of the base (1) is fixedly connected with support blocks (3) on the left and right sides, the furnace body (2) is provided with a circular ring (6), the left and right sides of the lower part of the circular ring (6) are provided with hole groove blocks (4) fixedly connected with the furnace body (2), the base (1) is provided with a driving mechanism for driving the movement of the two hole groove blocks (4), the upper end of the furnace body (2) is fixedly connected with a fixed plate (11), the fixed plate (11) is provided with a slot communicated with the furnace body (2), the upper end of the fixed plate (11) is fixedly connected with a fixed frame (12), one side of the fixed frame (12) is rotatably connected with a top cover (13) through a rotating shaft, and the other side of the fixed frame (12) is connected with the top cover (13) through a fixing mechanism.
2. The lifting type intermediate frequency electric furnace according to claim 1, characterized in that, The driving mechanism comprises a double-head motor (9) fixedly connected to the upper end of the base (1), two output shafts of the double-head motor (9) are fixedly connected with worm gears (10), the other ends of the two worm gears (10) are rotatably connected to the side walls of the two support blocks (3), the two worm gears (10) are engaged with worm wheels (19), the two worm wheels (19) are fixedly inserted with threaded rods (5), the lower ends of the two threaded rods (5) are rotatably connected to the base (1), and the upper ends of the two threaded rods (5) are rotatably connected to the circular ring (6) through the threaded holes.
3. The lifting type medium frequency electric furnace according to claim 1, characterized in that, The fixing mechanism comprises a lower fixed block (14) fixedly connected to the side wall of the fixed frame (12), an upper fixed block (15) fixedly connected with the top cover (13) is arranged above the lower fixed block (14), an insertion hole (17) is formed in the upper end of the lower fixed block (14), an insertion column (16) is arranged above the upper fixed block (15), the lower end of the insertion column (16) penetrates through the upper fixed block (15) and is inserted into the insertion hole (17), the upper end of the insertion column (16) is fixedly connected with a pulling block, the lower end of the pulling block is fixedly connected with a spring (18) sleeved with the insertion column (16), and the other end of the spring (18) is fixedly connected to the upper end of the upper fixed block (15).
4. The lift type intermediate frequency electric furnace according to claim 1, characterized in that, The lower ends of the two sides of the furnace body (2) are fixedly connected with sliding blocks (8), the upper ends of the two sliding blocks (8) are rotatably connected with sliding rods (7), and the lower ends of the two sliding rods (7) are fixedly connected to the upper end of the base (1).
5. The lift type intermediate frequency electric furnace according to claim 4, wherein The front and rear sides of the two circular rings (6) are fixedly connected with semicircular blocks integrally formed thereon, and the upper ends of the two sliding rods (7) are fixedly connected to the lower ends of the two semicircular blocks.
6. The lift type MF electric furnace according to claim 2, wherein Threaded slots matched with the two threaded rods (5) are formed in the two hole groove blocks (4).
Citation Information
Patent Citations
Lifting type medium-frequency electric furnace
CN216482241U