A detachable electromagnet structure

Abstract

The utility model discloses a detachable electromagnet structure, which relates to the technical field of electromagnets, and aims to solve the technical problems that the overall replacement cost of the magnetic core of the current electromagnet structure is high, and the overall replacement and disassembly is also troublesome. The utility model comprises a shell, a T-shaped magnetic core is arranged inside the shell, a coil is wound on the T-shaped magnetic core, the T-shaped magnetic core comprises a cylinder and a disc, the cylinder is fixedly arranged in the shell, the disc is movably arranged at the bottom of the cylinder, the shell comprises an upper shell, a lower shell and a spring, the lower shell is movably arranged at the bottom of the upper shell through the spring, a plurality of groups of ejector rods are equidistantly arranged around the bottom of the lower shell, and a slot symmetrical to the ejector rod is arranged around the top of the disc. The utility model has the advantages of low replacement cost and convenient replacement.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnets, and more particularly to a detachable electromagnet structure. Background Art

[0002] An electromagnet is a device that generates electromagnetic fields when electricity is applied. A conductive winding that matches its power is wound around the outside of an iron core. This coil with current flowing through it has magnetism like a magnet. It is also called an electromagnet. We usually make it into a bar or hoof shape to make the iron core easier to magnetize. In addition, in order to demagnetize the electromagnet immediately when the power is cut off, we often use soft iron or silicon steel materials with faster demagnetization to make it. Such an electromagnet is magnetic when the power is applied, and the magnetism disappears when the power is cut off. Electromagnets are extremely widely used in our daily lives. A magnetic chuck is a common electromagnet structure, which is mainly used in some material sorting environments.

[0003] The existing magnetic suction cup is mainly composed of a T-shaped core, a coil and a shell. When the coil is energized, suction is generated at the bottom of the T-shaped core to adsorb metal objects. However, the T-shaped core is usually an integrated structure, and its top will cause a lot of wear during the long-term adsorption of metal objects. In order to ensure the adsorption performance, it needs to be replaced in time. At this time, the T-shaped core needs to be replaced as a whole, which will increase the replacement cost and is also troublesome to replace and disassemble. In view of this, we propose a detachable electromagnet structure. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the existing technology, meet the actual needs, and provide a detachable electromagnet structure to solve the technical problems of the current electromagnet structure that the overall replacement cost of the magnetic core is high and the overall replacement and disassembly is also relatively troublesome.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a detachable electromagnet structure, comprising a shell, a T-shaped magnetic core arranged inside the shell, and a coil wound around the T-shaped magnetic core;

[0006] The T-shaped magnetic core includes a cylinder and a disk, wherein the cylinder is fixedly arranged in the housing, and the disk is movably arranged at the bottom end of the cylinder;

[0007] The shell includes an upper shell, a lower shell and a spring. The lower shell is arranged at the bottom of the upper shell through the spring. Several groups of push rods are arranged equidistantly around the bottom of the lower shell. The top of the disc is arranged with slots symmetrical to the push rods.

[0008] After the coil in the utility model is energized, the T-shaped magnetic core generates magnetism, and then the disc adsorbs the metal object. If the disc is worn out and needs to be replaced, the disc can be directly disassembled and replaced separately, which has a low replacement cost and does not require the entire T-shaped magnetic core to be disassembled and replaced, thereby improving the convenience of replacement. When the disc is installed on the column, the spring pushes the lower shell to descend, and the push rod on the lower shell is then inserted into the slot on the top of the disc, thereby limiting the disc and preventing the disc from rotating and falling off the column during use, thereby ensuring the stability of the connection between the disc and the column.

[0009] Preferably, a threaded hole is provided at the center of the bottom of the column, and a threaded rod symmetrical to the threaded hole is arranged on the top of the disc.

[0010] Preferably, a through hole is opened on the surface of the upper shell, and the end of the coil passes through the through hole.

[0011] Preferably, a plurality of groups of mounting screw holes are equidistantly provided around the top of the column, and mounting bolts corresponding to the mounting screw holes are installed on the top of the upper shell, and the mounting bolts are screwed into the mounting screw holes.

[0012] Preferably, a slot is provided at the bottom of the upper shell, and a docking ring symmetrical to the slot is arranged at the top of the lower shell. The docking ring extends into the slot, the spring is located inside the slot, and the top end of the spring is fixedly connected to the bottom of the slot, and the bottom end of the spring is fixedly connected to the top of the docking ring.

[0013] Preferably, a plurality of groups of limiting grooves are equidistantly formed on the inner wall of the slot, and limiting rods symmetrical to the limiting grooves are arranged on the inner wall of the docking collar, and the limiting rods are located in the limiting grooves.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The utility model forms a T-shaped magnetic core by combining a cylinder and a disc. After the coil is energized, the T-shaped magnetic core generates magnetism, and then the disc adsorbs the metal object. If the disc is severely worn and needs to be replaced, the disc can be directly disassembled and replaced separately. The replacement cost is low, and there is no need to disassemble and replace the T-shaped magnetic core as a whole, which improves the convenience of replacement and solves the technical problems of the current electromagnet structure that the overall replacement cost of the magnetic core is high and the overall replacement and disassembly are also troublesome. Therefore, the utility model has the advantages of low replacement cost and convenient replacement.

[0016] 2. The utility model also has a lower shell movably arranged at the bottom of the shell, and a slot is provided on the top of the disc. When the disc is installed on the column, the spring pushes the lower shell down, and the push rod on the lower shell is then inserted into the slot on the top of the disc, thereby limiting the disc and preventing the disc from rotating and falling off the column during use, thereby ensuring the stability of the connection between the disc and the column. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the partial cross-sectional structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the shell of the utility model;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the T-shaped magnetic core of the present invention.

[0021] Description of the numbers in the figure:

[0022] 1. Shell; 2. T-shaped core; 201. Cylinder; 202. Disc; 203. Threaded rod; 204. Threaded hole; 205. Slot; 206. Mounting screw hole; 3. Coil; 4. Upper shell; 401. Mounting bolt; 402. Slot; 403. Limiting slot; 404. Through hole; 5. Lower shell; 501. Push rod; 502. Docking ring; 503. Limiting rod; 6. Spring. DETAILED DESCRIPTION

[0023] like Figures 1 to 4 As shown, the utility model relates to a detachable electromagnet structure, comprising a housing 1, a T-shaped magnetic core 2 arranged inside the housing 1, a coil 3 wound around the T-shaped magnetic core 2, the housing 1, the T-shaped magnetic core 2 and the coil 3 forming a magnetic chuck electromagnet structure, when the coil 3 is energized, the T-shaped magnetic core 2 generates magnetism, and the T-shaped magnetic core 2 adsorbs metal objects;

[0024] In an embodiment of the present invention, the T-shaped magnetic core 2 includes a cylinder 201 and a disk 202. The cylinder 201 is fixedly arranged in the shell 1, and the disk 202 is movably arranged at the bottom end of the cylinder 201. After the coil 3 is energized, the T-shaped magnetic core 2 generates magnetism, and then the disk 202 adsorbs the metal object. If the disk 202 is severely worn and needs to be replaced, the disk 202 can be directly disassembled and replaced separately. The replacement cost is low, and there is no need to disassemble and replace the T-shaped magnetic core 2 as a whole, which improves the convenience of replacement; specifically, a threaded hole 204 is opened in the center of the bottom of the cylinder 201, and a threaded rod 203 symmetrical to the threaded hole 204 is arranged on the top of the disk 202. When installing the disk 202, the threaded rod 203 of the disk 202 is screwed into the threaded hole 204 of the cylinder 201, and otherwise the disk 202 can be disassembled.

[0025] In an embodiment of the present utility model, the shell 1 includes an upper shell 4, a lower shell 5 and a spring 6. The lower shell 5 is movably arranged at the bottom of the upper shell 4 through the spring 6. Several groups of push rods 501 are arranged equidistantly around the bottom of the lower shell 5, and a groove 205 symmetrical to the push rod 501 is arranged around the top of the disc 202. When the disc 202 is installed on the column 201, the spring 6 pushes the lower shell 5 down. At this time, the push rod 501 on the lower shell 5 is inserted into the groove 205 at the top of the disc 202, thereby limiting the disc 202 to prevent the disc 202 from rotating and falling off the column 201 during use, thereby ensuring the stability of the connection between the disc 202 and the column 201.

[0026] Specifically, a through hole 404 is opened on the surface of the upper shell 4 , and the end of the coil 3 passes through the through hole 404 . The through hole 404 facilitates the wire of the coil 3 to extend out of the shell 1 .

[0027] Furthermore, several groups of mounting screw holes 206 are equidistantly provided around the top of the column 201, and mounting bolts 401 corresponding to the mounting screw holes 206 are installed on the top of the upper shell 4, and the mounting bolts 401 are screwed into the inside of the mounting screw holes 206. When the column 201 is installed, the mounting bolts 401 are screwed into the corresponding mounting screw holes 206 for fixing.

[0028] Furthermore, a slot 402 is provided at the bottom of the upper shell 4, and a docking ring 502 symmetrical to the slot 402 is arranged at the top of the lower shell 5. The docking ring 502 extends into the interior of the slot 402, and the spring 6 is located inside the slot 402. The top end of the spring 6 is fixedly connected to the bottom of the slot 402, and the bottom end of the spring 6 is fixedly connected to the top of the docking ring 502. With the cooperation of the docking ring 502, the lower shell 5 can be extended and retracted to a certain extent, and the spring 6 has the effect of resetting the lower shell 5.

[0029] It is worth noting that a number of groups of limit grooves 403 are equidistantly provided on the inner wall of the slot 402, and a limit rod 503 symmetrical to the limit groove 403 is arranged on the inner wall of the docking ring 502, and the limit rod 503 is located in the limit groove 403. The limit rod 503 cooperates with the limit groove 403 to limit the lower shell 5 to ensure vertical displacement of the lower shell 5.

[0030] Working Principle: This embodiment provides a detachable electromagnet structure. When in use, first, the housing 1, T-shaped magnetic core 2, and coil 3 form a magnetic chuck electromagnet structure. When the coil 3 is energized, the T-shaped magnetic core 2 generates magnetism, and the T-shaped magnetic core 2 attracts metal objects.

[0031] Secondly, after the coil 3 is energized, the T-shaped core 2 generates magnetism, and then the disc 202 adsorbs the metal object. If the disc 202 is worn out and needs to be replaced, the disc 202 can be directly disassembled and replaced separately, which is low in replacement cost and does not require the entire T-shaped core 2 to be disassembled and replaced, thereby improving the convenience of replacement.

[0032] Finally, when the disc 202 is installed on the column 201, the lower shell 5 is first moved upward, and then the disc 202 is installed on the bottom of the column 201. Then the lower shell 5 is loosened, and the spring 6 pushes the lower shell 5 to drop and reset. At this time, the top rod 501 on the lower shell 5 is inserted into the slot 205 at the top of the disc 202, thereby limiting the disc 202 and preventing the disc 202 from rotating and falling off the column 201 during use, thereby ensuring the stability of the connection between the disc 202 and the column 201.

[0033] The embodiments disclosed in the present invention are preferred embodiments, but are not limited to them. Ordinary technicians in this field can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. As long as they do not deviate from the spirit of the present invention, they are all within the scope of protection of the present invention.

Claims

1. A detachable electromagnet structure, characterized in that: It comprises a shell (1), a T-shaped magnetic core (2) is arranged inside the shell (1), and a coil (3) is wound around the T-shaped magnetic core (2); The T-shaped magnetic core (2) comprises a column (201) and a disk (202), wherein the column (201) is fixedly arranged in the housing (1), and the disk (202) is movably arranged at the bottom end of the column (201); The housing (1) comprises an upper housing (4), a lower housing (5) and a spring (6); the lower housing (5) is movably arranged at the bottom of the upper housing (4) via the spring (6); a plurality of groups of push rods (501) are equidistantly arranged around the bottom of the lower housing (5); and a clamping groove (205) symmetrical to the push rods (501) is arranged around the top of the disc (202).

2. A detachable electromagnet structure according to claim 1, characterized in that: A threaded hole (204) is provided at the center of the bottom of the column (201), and a threaded rod (203) symmetrical to the threaded hole (204) is arranged at the top of the disk (202).

3. A detachable electromagnet structure according to claim 1, characterized in that: A through hole (404) is provided on the surface of the upper shell (4), and the end of the coil (3) passes through the through hole (404).

4. A detachable electromagnet structure according to claim 1, characterized in that: A plurality of groups of mounting screw holes (206) are equidistantly provided around the top of the column (201), and mounting bolts (401) corresponding to the mounting screw holes (206) are installed on the top of the upper shell (4), and the mounting bolts (401) are screwed into the mounting screw holes (206).

5. A detachable electromagnet structure according to claim 1, characterized in that: A slot (402) is provided at the bottom of the upper shell (4), and a docking ring (502) symmetrical to the slot (402) is arranged at the top of the lower shell (5), and the docking ring (502) extends into the slot (402). The spring (6) is located inside the slot (402), and the top end of the spring (6) is fixedly connected to the bottom of the slot (402), and the bottom end of the spring (6) is fixedly connected to the top of the docking ring (502).

6. A detachable electromagnet structure according to claim 5, characterized in that: The inner wall of the slot (402) is provided with a plurality of groups of limiting grooves (403) at equal intervals, and the inner wall of the docking ring (502) is provided with limiting rods (503) symmetrical to the limiting grooves (403), and the limiting rods (503) are located in the limiting grooves (403).

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