Lifting type medium-frequency electric furnace for casting production and machining

Abstract

The utility model discloses a lift type medium-frequency electric furnace for casting production and processing, which belongs to the technical field of medium-frequency electric furnaces, and comprises a furnace body, a top cover, an exhaust cover and an exhaust pipe, the bottom of the furnace body is fixedly connected with a lift mechanism, and the lift mechanism comprises a base, a movable seat, a top seat, a motor, a plurality of one-way screw rods and a plurality of guide rods. And a fixing mechanism is detachably mounted on the lower surface of the base. According to the utility model, the transmission belt and the plurality of transmission shafts are arranged to realize synchronous transmission among the plurality of one-way screw rods, so that the transmission precision can be improved, the rotation consistency of the one-way screw rods is guaranteed, and the stability and smoothness of the furnace body in the lifting process are improved; the furnace body can be conveniently fixed to a designated frame for use, the fixing mechanism is detachable, the requirement for multi-environment use is met, and practicability is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of medium-frequency electric furnaces, and in particular relates to a lifting medium-frequency electric furnace for casting production and processing. Background Art

[0002] A lifting medium frequency electric furnace is a common casting production and processing equipment. It mainly heats and melts metal materials through the medium frequency induction principle. Specifically, the medium frequency electric furnace will generate an alternating electromagnetic field. When the metal material is in this electromagnetic field, an induced current will be generated, thereby causing the metal material to heat up and melt. The Chinese patent announcement number CN216482241U discloses a lifting medium frequency electric furnace, including a furnace body, a chassis and a top plate are fixedly installed at both ends of the furnace body, a base is provided at the bottom of the chassis, and an extension block is evenly fixedly installed on the outer surface of the base. A motor is fixedly installed on the upper surface of the extension block, and a screw rod is fixedly installed on the output end of the motor. A top ring is provided at the top of the screw rod, and the top of the screw rod is rotatably connected to the lower surface of the top ring. A lifting block is fixedly installed on the outer surface of the chassis, and the lifting block is sleeved with the outer surface of the screw rod. The utility model, by setting the motor, the screw rod, the top ring, the lifting block and other related structures, can easily realize the lifting movement of the entire furnace body with the cooperation of the auxiliary rod, and then can facilitate the workers to quickly place the workpiece and take out the finished parts during the processing, thereby greatly improving the processing efficiency.

[0003] The problem with the prior art is that during use of the above-mentioned lifting medium-frequency electric furnace, several motors need to be started at the same time to drive the screw rods to rotate so as to achieve the lifting and lowering movement of the chassis and the furnace body. The setting of multiple motors increases the cost of the equipment and the risk of failure, and it is difficult to ensure the consistency of the rotation of each screw rod, which can easily cause the furnace body to be stuck in lifting and lowering and the operation to be not smooth. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a lifting type medium frequency electric furnace for the production and processing of castings, which has the advantages of improving the stability and smoothness of the furnace body lifting, low cost and risk of failure, and convenient for use in multiple environments. It solves the problem that in the existing lifting type medium frequency electric furnace, several motors need to be started at the same time to drive the screw rods to rotate during use, so as to achieve the lifting and moving of the chassis and the furnace body. The setting of multiple motors increases the cost and risk of failure of the equipment, and it is difficult to ensure the consistency of the rotation of each screw rod, which can easily lead to the lifting of the furnace body being stuck and the operation being not smooth.

[0005] The utility model is achieved in this way: a lifting medium-frequency electric furnace for casting production and processing comprises a furnace body, a top cover, an exhaust cover and an exhaust pipe, the top cover is fixedly installed on the upper end of the furnace body, the exhaust cover is fixedly connected to the top cover, the exhaust pipe is fixedly connected to the exhaust cover, a fixed seat is fixedly sleeved on the furnace body located at the bottom of the top cover, a lifting mechanism is fixedly connected to the bottom of the furnace body, the lifting mechanism comprises a base, a movable base, a top seat, a motor, a plurality of one-way screw rods and a plurality of guide rods, the bottom of the furnace body is fixedly connected to the inner wall of the base, the upper and lower ends of the guide rods are respectively fixedly connected to the top seat and the base, the output end of the motor is fixedly connected to the bottom end of one of the one-way screw rods, and the bottoms of the other one-way screw rods are fixedly connected to support rods, the output end of the motor, the guide rods and the support rods are all sleeved with transmission shafts, the plurality of transmission shafts are connected by transmission belts, and a fixing mechanism is detachably installed on the lower surface of the base.

[0006] As a preferred embodiment of the utility model, the top end of the one-way screw is rotatably connected to the lower surface of the top seat, the bottom of the support rod and the motor are fixedly installed on the upper surface of the base, the output shaft of the motor is fixedly connected to the corresponding transmission shaft, and the support rod and the guide rod are rotatably connected to the corresponding transmission shaft.

[0007] As a preferred embodiment of the utility model, a screw sleeve and a sliding sleeve are respectively provided on the one-way screw and the guide rod, and the screw sleeve and the sliding sleeve are fixedly connected to the inside of the movable seat, the screw sleeve is threadedly connected to the one-way screw, and the sliding sleeve is slidably connected to the guide rod.

[0008] As a preferred embodiment of the utility model, the fixing mechanism includes a fixing frame, both sides of the two ends of the fixing frame are fixedly connected with connecting ears, and the four connecting ears are fixedly connected to the lower surface of the base through threaded knobs.

[0009] As a preferred embodiment of the utility model, a bidirectional screw rod is rotatably installed inside the fixing frame, and one end of the bidirectional screw rod is fixedly connected to an adjusting rod.

[0010] As a preferred embodiment of the utility model, two limit plates are fixedly connected to the two side walls of the fixing frame, and clamping blocks are threadedly connected to the rod body at both ends of the bidirectional screw rod.

[0011] As a preferred embodiment of the utility model, both sides of the two clamping blocks are provided with limiting grooves, and the inner walls of the limiting grooves are slidably connected to the limiting plates.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model converts alternating current into intermediate frequency alternating current through an intermediate frequency power supply, generates an alternating magnetic field through an induction coil, puts casting material into a furnace, generates an induced current under the action of the magnetic field, and the induced current passes through the material to generate heat, thereby achieving heating, and adjusts the height of the furnace body through a lifting mechanism to facilitate material loading and unloading.

[0014] The utility model realizes synchronous transmission among a plurality of one-way screw rods by arranging a transmission belt and a plurality of transmission shafts, which can improve the transmission accuracy, ensure the consistency of the rotation of the one-way screw rods, and improve the stability and smoothness during the lifting and lowering process of the furnace body.

[0015] The utility model can conveniently fix the furnace body on a designated rack for use by arranging a fixing mechanism at the bottom of the base; the fixing mechanism is detachable, which meets the needs of use in multiple environments and improves practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall first-view three-dimensional structure of the utility model;

[0017] Figure 2 For the utility model Figure 1 A magnified view of the structure at center;

[0018] Figure 3 It is an exploded view of the local structure of the utility model;

[0019] Figure 4 For the utility model Figure 3 A magnified view of the structure at B in the middle;

[0020] Figure 5 It is a schematic diagram of the overall second-viewing perspective three-dimensional structure of the utility model;

[0021] Figure 6 For the utility model Figure 5 Enlarged view of the structure at point C in the middle.

[0022] In the figure: 1. furnace body; 101. fixed seat; 102. top cover; 103. exhaust cover; 104. exhaust pipe; 2. lifting mechanism; 201. base; 202. movable seat; 203. top seat; 204. guide rod; 205. one-way screw; 206. support rod; 207. sliding sleeve; 208. screw sleeve; 209. motor; 210. transmission belt; 211. transmission shaft; 3. fixing mechanism; 301. fixing frame; 302. limit plate; 303. connecting ear; 304. threaded knob; 305. two-way screw; 306. clamping block; 307. limit groove; 308. adjusting rod. DETAILED DESCRIPTION

[0023] In order to further understand the content, features and effects of the utility model, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0024] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0025] like Figures 1 to 6 As shown, a lifting medium-frequency electric furnace for casting production and processing provided by the embodiment of the utility model comprises a furnace body 1, a top cover 102, an exhaust cover 103 and an exhaust pipe 104, the top cover 102 is fixedly installed on the upper end of the furnace body 1, the exhaust cover 103 is fixedly connected to the top cover 102, the exhaust pipe 104 is fixedly connected to the exhaust cover 103, a fixed seat 101 is fixedly sleeved on the furnace body 1 at the bottom of the top cover 102, and a lifting mechanism 2 is fixedly connected to the bottom of the furnace body 1, and the lifting mechanism 2 comprises a base 201, a movable seat 202, a top seat 203, a motor 209, and a plurality of one-way screw rods 209. 05 and several guide rods 204, the bottom of the furnace body 1 is fixedly connected to the inner wall of the base 201, the upper and lower ends of the guide rod 204 are fixedly connected to the top seat 203 and the base 201 respectively, the output end of the motor 209 is fixedly connected to the bottom end of one of the one-way screw rods 205, and the bottoms of the other one-way screw rods 205 are fixedly connected to the support rod 206, the output end of the motor 209, the guide rod 204 and the support rod 206 are all sleeved with a transmission shaft 211, and the several transmission shafts 211 are connected by a transmission belt 210, and the lower surface of the base 201 is detachably installed with a fixing mechanism 3.

[0026] In the present application, alternating current is converted into medium frequency alternating current through a medium frequency power supply, an alternating magnetic field is generated through an induction coil, the casting material is placed in a furnace, an induced current is generated under the action of the magnetic field, the induced current passes through the material, causing it to generate heat, thereby achieving heating, and the height of the furnace body 1 is adjusted by the lifting mechanism 2 to facilitate feeding and unloading.

[0027] Furthermore, the top end of the one-way screw 205 is rotatably connected to the lower surface of the top seat 203, the bottom of the support rod 206 and the motor 209 are fixedly installed on the upper surface of the base 201, the output shaft of the motor 209 is fixedly connected to the corresponding transmission shaft 211, the support rod 206 and the guide rod 204 are rotatably connected to the corresponding transmission shaft 211, the one-way screw 205 and the guide rod 204 are respectively provided with a screw sleeve 208 and a sliding sleeve 207, the screw sleeve 208 and the sliding sleeve 207 are fixedly connected to the inside of the movable seat 202, the screw sleeve 208 is threadedly connected to the one-way screw 205, and the sliding sleeve 207 is slidably connected to the guide rod 204.

[0028] In the present application, the motor 209 drives the one-way screw 205 and the transmission shaft 211 connected thereto to rotate, and the transmission shaft 211 drives other transmission shafts 211 to rotate synchronously through the transmission belt 210, thereby driving other one-way screws 205 to rotate synchronously, thereby achieving the effect of synchronous rotation of multiple one-way screws 205, and the threaded cooperation between the one-way screw 205 and the screw sleeve 208, so that the screw sleeve 208 drives the movable seat 202 and the furnace body 1 to move upward or downward accordingly, thereby improving the smoothness and stability of the movement, and by setting a plurality of guide rods 204, it can ensure that the movable seat 202 moves up and down along the rod body of the guide rod 204, thereby avoiding the movable seat 202 and the furnace body 1 from being offset.

[0029] Furthermore, the fixing mechanism 3 includes a fixing frame 301, both sides of which are fixedly connected with connecting ears 303, and the four connecting ears 303 are fixedly connected to the lower surface of the base 201 through threaded knobs 304. A two-way screw rod 305 is rotatably installed inside the fixing frame 301, and an adjusting rod 308 is fixedly connected to one end of the two-way screw rod 305. Two limit plates 302 are fixedly connected to the two side walls of the fixing frame 301, and clamping blocks 306 are threadedly connected to the rod body at both ends of the two-way screw rod 305. Limiting grooves 307 are provided on both sides of the two clamping blocks 306, and the inner walls of the limiting grooves 307 are slidably connected to the limiting plates 302.

[0030] In the present application, the fixing mechanism 3 is detachably mounted on the lower surface of the base 201, and the device can be installed on a designated shelf through the fixing mechanism 3. During operation, the base 201 is placed on the upper surface of the shelf so that the two clamping blocks 306 are respectively located on both sides of the shelf, and the adjusting rod 308 is rotated to drive the bidirectional screw rod 305 to rotate. Through the threaded cooperation between the bidirectional screw rod 305 and the clamping block 306 and the limiting of the clamping block 306 by the limiting plate 302, the two clamping blocks 306 move along the limiting plate 302 in a direction close to each other until the shelf is clamped, thereby achieving the fixation of the device. When the fixing mechanism 3 is not needed, the fixing mechanism 3 can be removed from the base 201 by loosening the threaded knob 304, and the base 201 can be directly placed on a designated plane. Through this setting, the use requirements of the device in various environments can be met, thereby improving practicality.

[0031] The working principle of this utility model:

[0032] The alternating current is converted into the intermediate frequency alternating current through the intermediate frequency power supply, and the alternating magnetic field is generated through the induction coil. The casting material is placed in the furnace, and the induced current is generated under the action of the magnetic field. The induced current passes through the material to generate heat, thereby achieving heating. The motor 209 drives the one-way screw 205 and the transmission shaft 211 connected thereto to rotate. The transmission shaft 211 drives other transmission shafts 211 to rotate synchronously through the transmission belt 210, thereby driving other one-way screws 205 to rotate synchronously, so that multiple one-way screws 205 rotate synchronously, and the one-way screw 205 and the screw sleeve 208 are threadedly matched. , so that the screw sleeve 208 drives the movable seat 202 and the furnace body 1 to move upward or downward accordingly, which is convenient for adding and discharging materials. When the equipment needs to be fixed on a designated shelf for use, the base 201 is placed on the upper surface of the shelf, so that the two clamping blocks 306 are respectively located on both sides of the shelf, and the adjusting rod 308 is rotated to drive the bidirectional screw 305 to rotate. Through the threaded cooperation between the bidirectional screw 305 and the clamping block 306 and the limiting of the clamping block 306 by the limiting plate 302, the two clamping blocks 306 move along the limiting plate 302 in the direction of approaching each other until the shelf is clamped, thereby achieving the fixation of the equipment.

[0033] To sum up: this kind of lifting medium frequency electric furnace used for casting production and processing, by setting a transmission belt 210 and a plurality of transmission shafts 211 to achieve synchronous transmission between a plurality of one-way screws 205, can improve the transmission accuracy, ensure the consistency of the rotation of the one-way screw 205, and improve the stability and smoothness of the furnace body 1 during the lifting process. By setting a fixing mechanism 3 at the bottom of the base 201, the furnace body 1 can be easily fixed on a designated shelf for use. The fixing mechanism 3 is detachable to meet the needs of use in multiple environments and improve practicality.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lifting medium frequency electric furnace for casting production and processing, comprising a furnace body (1), a top cover (102), an exhaust cover (103) and an exhaust pipe (104), characterized in that: The top cover (102) is fixedly mounted on the upper end of the furnace body (1); the exhaust cover (103) is fixedly connected to the top cover (102); the exhaust pipe (104) is fixedly connected to the exhaust cover (103); a fixed seat (101) is fixedly sleeved on the furnace body (1) at the bottom of the top cover (102); a lifting mechanism (2) is fixedly connected to the bottom of the furnace body (1); the lifting mechanism (2) comprises a base (201), a movable base (202), a top base (203), a motor (209), a plurality of one-way screw rods (205) and a plurality of guide rods (204); the bottom of the furnace body (1) is fixedly connected to the base ( The guide rod (204) is mounted on the inner wall of the housing (201), the upper and lower ends of the guide rod (204) are respectively fixedly connected to the top seat (203) and the base (201), the output end of the motor (209) is fixedly connected to the bottom end of one of the one-way screw rods (205), and the bottoms of the other one-way screw rods (205) are fixedly connected to support rods (206), the output end of the motor (209), the guide rod (204) and the support rod (206) are all sleeved with a transmission shaft (211), and the plurality of transmission shafts (211) are connected to each other by a transmission belt (210), and a fixing mechanism (3) is detachably mounted on the lower surface of the base (201).

2. A lifting medium frequency electric furnace for casting production and processing as claimed in claim 1, characterized in that: The top end of the one-way screw rod (205) is rotatably connected to the lower surface of the top seat (203), the bottom of the support rod (206) and the motor (209) are fixedly mounted on the upper surface of the base (201), the output shaft of the motor (209) is fixedly connected to the corresponding transmission shaft (211), and the support rod (206) and the guide rod (204) are rotatably connected to the corresponding transmission shaft (211).

3. A lifting medium frequency electric furnace for casting production and processing as claimed in claim 1, characterized in that: The one-way screw rod (205) and the guide rod (204) are respectively provided with a screw rod sleeve (208) and a sliding sleeve (207); the screw rod sleeve (208) and the sliding sleeve (207) are fixedly connected to the inside of the movable seat (202); the screw rod sleeve (208) is threadedly connected to the one-way screw rod (205); and the sliding sleeve (207) is slidably connected to the guide rod (204).

4. A lifting medium frequency electric furnace for casting production and processing as claimed in claim 1, characterized in that: The fixing mechanism (3) comprises a fixing frame (301), both sides of both ends of the fixing frame (301) are fixedly connected with connecting ears (303), and the four connecting ears (303) are fixedly connected to the lower surface of the base (201) through threaded knobs (304).

5. A lifting medium frequency electric furnace for casting production and processing as claimed in claim 4, characterized in that: A bidirectional screw rod (305) is rotatably mounted inside the fixed frame (301), and an adjustment rod (308) is fixedly connected to one end of the bidirectional screw rod (305).

6. A lifting medium frequency electric furnace for casting production and processing as claimed in claim 5, characterized in that: Two limit plates (302) are fixedly connected to the two side walls of the fixing frame (301), and clamping blocks (306) are threadedly connected to the rod bodies at both ends of the bidirectional screw rod (305).

7. A lifting medium frequency electric furnace for casting production and processing as claimed in claim 6, characterized in that: Limiting grooves (307) are provided on both sides of the two clamping blocks (306), and the inner walls of the limiting grooves (307) are slidably connected to the limiting plates (302).

Images