A high-position stock bin upper chute vibration anti-blocking device based on current magnetic effect

Abstract

The utility model relates to material conveying equipment anti -blocking technical field especially, it relates to a high -level stock bin upper section chute vibration anti -blocking device based on current magnetic effect, including electromagnet and vibration subassembly, the both sides of electromagnet are provided with a group of vibration subassembly respectively, and vibration subassembly includes first plug, sliding slot frame, second plug, magnetic bar, recess, boss, first permanent -magnetic block, second permanent -magnetic block and brass tube, one side of electromagnet is provided with first plug, one side of first plug is provided with sliding slot frame, one end of sliding slot frame is provided with second plug, the inboard of sliding slot frame is provided with magnetic bar, and the inner wall of sliding slot frame is provided with two groups recess, the outside of magnetic bar is provided with two groups boss, the utility model discloses the combination of electromagnetic drive and magnetic suspension technology realizes the efficient vibration of no contact, low wear, makes the boss suspend in recess through repulsive force, and magnetic bar and sliding slot frame have no mechanical contact, and thoroughly eliminate the friction loss in reciprocating motion, and the service life of device is significantly prolonged.

Description

Technical Field

[0001] This utility model relates to the field of anti-blocking technology for material conveying equipment, and in particular to a vibration anti-blocking device for the upper chute of a high-level silo based on the magnetic effect of electric current. Background Technology

[0002] Elevated silos are common material storage and transfer equipment in industrial production. Their upper chute, as a key channel for conveying materials from the silo to the downstream, is often blocked due to high material moisture, small particle size, or poor flowability, which seriously affects the continuity of production. To solve this problem, traditional technologies often use mechanical vibration anti-blocking devices, such as using a motor to drive an eccentric wheel to generate centrifugal vibration, or using a pneumatic hammer to intermittently strike the outer wall of the chute, so that the material is loosened through mechanical vibration.

[0003] However, traditional mechanical vibration devices have significant drawbacks. Mechanical components (such as bearings, springs, and eccentric wheels) are prone to fatigue wear under long-term high-frequency vibration, leading to vibration amplitude attenuation, increased failure rate, frequent downtime for maintenance, and increased production costs.

[0004] In addition, some existing technologies attempt to replace mechanical vibration with electromagnetic vibration, but they only use simple electromagnets to drive the reciprocating motion of the magnet, which does not solve the problem of mechanical contact friction between the magnet and the guide rail, and wear still occurs after long-term operation.

[0005] Therefore, a vibration anti-clogging device for the upper chute of a high-level silo based on the magnetic effect of electric current is proposed. By combining electromagnetic drive with magnetic levitation technology, it achieves contactless, low-wear, and high-efficiency vibration. The protrusion is suspended in the groove by mutual repulsion force, and the magnetic rod has no mechanical contact with the chute frame, which completely eliminates frictional loss in reciprocating motion and significantly extends the service life of the device. Utility Model Content

[0006] To overcome the technical problems of wear and frequent maintenance caused by mechanical contact in traditional high-level silo upper chute vibration anti-blockage devices.

[0007] The technical solution of this utility model is as follows: a vibration anti-blocking device for the upper chute of a high-level silo based on the magnetic effect of electric current, comprising an electromagnet and a vibration assembly. A set of vibration assemblies is respectively arranged on both sides of the electromagnet. The vibration assembly includes a first plug, a chute frame, a second plug, a magnetic rod, a groove, a protrusion, a first permanent magnet block, a second permanent magnet block, and a brass tube. A first plug is arranged on one side of the electromagnet, a chute frame is arranged on one side of the first plug, a second plug is arranged at one end of the chute frame, a magnetic rod is arranged on the inner side of the chute frame, two sets of grooves are opened on the inner wall of the chute frame, two sets of protrusions are arranged on the outer side of the magnetic rod, three sets of first permanent magnet blocks are arranged on the inner wall of the grooves, and three sets of second permanent magnet blocks are arranged on the outer side of the protrusions. The three sets of first permanent magnet blocks and the three sets of second permanent magnet blocks correspond one-to-one. The opposite faces of the first permanent magnet block and its corresponding second permanent magnet block have the same magnetic pole. A brass tube is arranged on the inner wall of the chute frame.

[0008] Preferably, when current flows through the coil of an electromagnet, a circular magnetic field is formed around the conductor according to Ampere's circuital law and Biot-Savart's law. When an alternating current is passed through the electromagnet coil, a periodic electromagnetic force is generated. The magnetic rod is affected by this periodic electromagnetic force. Since the interaction between magnetic fields follows the principle of "like poles repel, unlike poles attract," the electromagnet and the magnetic rod will periodically repel and attract each other, causing the magnetic rod to slide periodically back and forth inside the slide rail. When the magnetic rod slides to the first and second plugs at the end of the slide rail's travel, it rigidly collides with the first and second plugs. The limiting baffles on the two end caps convert kinetic energy into impact vibration. At the same time, the magnetic field polarity switching drives the magnet to move in the opposite direction, thus forming a continuous high-frequency reciprocating motion. The vibration generated can be transferred to the upper chute of the high-level silo during application, causing the material inside the upper chute of the high-level silo to shake and prevent material blockage. At the same time, through the mutual repulsion between the first permanent magnet block and the second permanent magnet block, the protrusion is suspended between the grooves, so that the entire magnetic rod is in a suspended state inside the chute frame, eliminating the wear caused by mechanical contact friction during high-speed reciprocating motion of the magnetic rod and improving the service life of the device.

[0009] Preferably, a mounting bracket is provided on the outside of the electromagnet, and a first mounting plate is provided below the mounting bracket.

[0010] Preferably, a base is provided below the first mounting plate, and a first connecting bolt is provided on the inner side of the first mounting plate. The first connecting bolt passes through the first mounting plate and is threadedly connected to the base.

[0011] Preferably, a first cable is provided on one side of the electromagnet, and a current controller is provided at one end of the first cable.

[0012] Preferably, a second mounting plate is provided below the current controller, and a first fixing plate is provided below the second mounting plate, with the first fixing plate and the base connected to each other.

[0013] Preferably, a signal generator is provided on the outside of the base, and a third mounting plate is provided below the signal generator.

[0014] Preferably, a second fixing plate is provided below the third mounting plate, the second fixing plate is connected to the base, and a second cable is provided above the signal generator, the other end of the second cable is connected to the electromagnet.

[0015] The beneficial effects of this utility model are:

[0016] When current flows through the coil of an electromagnet, a circular magnetic field is formed around the conductor according to Ampere's circuital law and Biot-Savart's law. When an alternating current is passed through the electromagnet coil, it generates a periodic electromagnetic force. The magnetic rod is affected by this periodic electromagnetic force. Since the interaction between magnetic fields follows the principle of "like poles repel, unlike poles attract," the electromagnet and the magnetic rod will periodically repel and attract each other, causing the magnetic rod to slide periodically back and forth inside the slide rail. When the magnetic rod slides to the first and second plugs at the end of the slide rail's travel, it rigidly collides with the first and second plugs. The limiting baffle on the head converts kinetic energy into impact vibration, while the magnetic field polarity switching drives the magnet to move in the opposite direction, thus forming a continuous high-frequency reciprocating motion. The vibration generated can be transferred to the upper chute of the high-level silo during application, causing the material inside the upper chute of the high-level silo to shake, preventing material blockage. At the same time, through the mutual repulsion between the first permanent magnet block and the second permanent magnet block, the protrusion is suspended between the grooves, so that the entire magnetic rod is suspended inside the chute frame, eliminating the wear caused by mechanical contact friction during high-speed reciprocating motion of the magnetic rod, and improving the service life of the device. Attached Figure Description

[0017] Figure 1 The diagram shown is a three-dimensional structural schematic of the vibration anti-clogging device for the upper chute of the high-level silo based on the current magnetic effect of this utility model.

[0018] Figure 2 The diagram shown is a three-dimensional cross-sectional view of the vibration anti-clogging device for the upper chute of the high-level silo based on the current magnetic effect of this utility model.

[0019] Figure 3 The diagram shown is a partial cross-sectional view of the vibration anti-blocking device for the upper chute of the high-level silo based on the current magnetic effect of this utility model.

[0020] Figure 4 The diagram shown is a second partial cross-sectional view of the vibration anti-blocking device for the upper chute of the high-level silo based on the current magnetic effect of this utility model.

[0021] Explanation of reference numerals in the attached drawings: 1. Electromagnet; 101. First plug; 102. Slide frame; 103. Second plug; 104. Magnetic rod; 105. Groove; 106. Protrusion; 107. First permanent magnet; 108. Second permanent magnet; 109. Brass tube; 201. Mounting bracket; 202. First mounting plate; 203. First connecting bolt; 2. Base; 301. First cable; 302. Current controller; 303. Second mounting plate; 304. First fixing plate; 401. Signal generator; 402. Third mounting plate; 403. Second fixing plate; 404. Second cable. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Please see Figure 1 and Figure 2This utility model provides an embodiment: a vibration anti-clogging device for the upper chute of a high-level silo based on the magnetic effect of electric current, including an electromagnet 1 and a vibration assembly. A set of vibration assemblies is respectively arranged on both sides of the electromagnet 1. The vibration assembly includes a first plug 101, a chute frame 102, a second plug 103, a magnetic rod 104, a groove 105, a protrusion 106, a first permanent magnet 107, a second permanent magnet 108, and a brass tube 109. The first plug 101 is arranged on one side of the electromagnet 1, and the chute frame 102 is arranged on one side of the first plug 101. The second plug 103 is arranged at one end of the chute frame 102. A magnetic rod 104 is provided on the inner side of the slide frame 102. Two sets of grooves 105 are formed on the inner wall of the slide frame 102. Two sets of protrusions 106 are provided on the outer side of the magnetic rod 104. Three sets of first permanent magnet blocks 107 are provided on the inner wall of the grooves 105. Three sets of second permanent magnet blocks 108 are provided on the outer side of the protrusions 106. The three sets of first permanent magnet blocks 107 and the three sets of second permanent magnet blocks 108 correspond one-to-one. The opposite faces of the first permanent magnet blocks 107 and their corresponding second permanent magnet blocks 108 have the same magnetic poles. A brass tube 109 is provided on the inner wall of the slide frame 102. When current passes through the coil of the electromagnet 1, according to Ampere's circuital law and the Biot-Savart law... According to Engel's law, a circular magnetic field is formed around a conductor. When an alternating current is passed through the coil of electromagnet 1, the coil generates a periodic electromagnetic force. The magnetic rod 104 is affected by this periodic electromagnetic force. Since the interaction between magnetic fields follows the principle of "like poles repel and unlike poles attract," electromagnet 1 and magnetic rod 104 will periodically repel and attract each other, causing magnetic rod 104 to slide periodically back and forth inside the slide rail 102. When magnetic rod 104 slides to the first stop 101 and the second stop 103 at the end of the stroke of the slide rail 102, it will rigidly collide with the limits on the first stop 101 and the second stop 103. The baffle plate converts kinetic energy into impact vibration, while the magnetic field polarity switching drives the magnet to move in the opposite direction, thereby forming a continuous high-frequency reciprocating motion. The vibration generated can be transmitted to the upper chute of the high-level silo during its application, causing the material inside the upper chute of the high-level silo to shake and prevent material blockage. At the same time, through the mutual repulsion between the first permanent magnet block 107 and the second permanent magnet block 108, the protrusion 106 is suspended between the grooves 105, so that the entire magnetic rod 104 is suspended inside the chute frame 102, eliminating the wear caused by mechanical contact friction during the high-speed reciprocating motion of the magnetic rod 104.

[0024] Please see Figure 3 and Figure 4In this embodiment, a mounting bracket 201 is provided on the outer side of the electromagnet 1, a first mounting plate 202 is provided below the mounting bracket 201, a base 2 is provided below the first mounting plate 202, and a first connecting bolt 203 is provided on the inner side of the first mounting plate 202. The first connecting bolt 203 passes through the first mounting plate 202 and is threadedly connected to the base 2. In use, the first mounting plate 202 is fixed to the base 2 by tightening the first connecting bolt 203, thereby fixing the mounting bracket 201 and the electromagnet 1 to the base 2.

[0025] A first cable 301 is provided on one side of the electromagnet 1. A current controller 302 is provided at one end of the first cable 301. A second mounting plate 303 is provided below the current controller 302. A first fixing plate 304 is provided below the second mounting plate 303. The first fixing plate 304 is connected to the base 2. In use, the electromagnetic field strength is directly adjusted by changing the amplitude of the driving current through the current controller 302, so as to realize the linear adjustment of the vibration intensity within a certain range. A signal generator 401 is provided outside the base 2. A third mounting plate 402 is provided below the signal generator 401. A second fixing plate 403 is provided below the third mounting plate 402. The second fixing plate 403 is connected to the base 2. A second cable 404 is provided above the signal generator 401. The other end of the second cable 404 is connected to the electromagnet 1. In use, the pulse width modulation frequency is adjusted by the signal generator 401 to control the commutation sequence of the magnet, so as to realize the precise setting of the vibration frequency.

[0026] During operation, the base 2 is first fixed to the preset installation position on the outside of the upper chute of the high-level silo. The first mounting plate 202 is threadedly connected to the base 2 using the first connecting bolt 203, thereby firmly fixing the mounting frame 201 and the electromagnet 1. Then, the first plug 101 and the second plug 103 are installed at both ends of the slide frame 102 of the vibration assembly, respectively, to ensure that the groove 105 on the inner side of the slide frame 102 corresponds to the position of the protrusion 106 on the outer side of the magnetic rod 104. Finally, the brass tube 109 is embedded into the inner wall of the slide frame 102 to complete the assembly of the vibration assembly and connect it with both sides of the electromagnet 1 to form a complete vibration generating unit.

[0027] During the electrical connection and parameter setting phase, the first cable 301 on one side of the electromagnet 1 is connected to the output terminal of the current controller 302. The current controller 302 is fixed to the side of the base 2 via the second mounting plate 303 and the first fixing plate 304. The signal generator 401 is fixed to the other side of the base 2 via the third mounting plate 402 and the second fixing plate 403, and connected to the electromagnet 1 via the second cable 404. The driving current amplitude is set by the current controller 302, and the electromagnetic field strength is adjusted to control the vibration intensity. The pulse width modulation frequency is adjusted by the signal generator 401, and the commutation sequence of the magnetic rod 104 is set, thereby precisely controlling the vibration frequency.

[0028] During the vibration operation phase, the current controller 302 and signal generator 401 are activated, and alternating current is supplied to the coil of electromagnet 1. According to Ampere's circuital law and Biot-Savart's law, a periodic ring magnetic field is generated around the conductor. Electromagnet 1 and magnetic rod 104 interact with the magnetic field to generate periodic repulsive and attractive forces, driving magnetic rod 104 to slide back and forth within the slide frame 102. When magnetic rod 104 moves to the first plug 101 or the second plug 103, kinetic energy is converted into impact vibration through rigid collision. Simultaneously, the magnetic field polarity switching causes the magnetic rod 104 to move in the opposite direction, forming continuous high-frequency vibration; the vibration energy is transmitted to the upper chute of the high-level silo through the chute frame 102, causing the internal material to shake and preventing blockage; during operation, the first permanent magnet block 107 in the groove 105 and the second permanent magnet block 108 on the protrusion 106 repel each other due to the same magnetic poles, causing the protrusion 106 to suspend in the groove 105, and the magnetic rod 104 and the chute frame 102 have no mechanical contact, eliminating frictional loss and extending the service life of the device.

[0029] Through the above steps, when current flows through the coil of electromagnet 1, a circular magnetic field is formed around the conductor according to Ampere's circuital law and Biot-Savart law. Alternating current flows through the coil of electromagnet 1, causing it to generate a periodic electromagnetic force. The magnetic rod 104 is affected by this periodic electromagnetic force. Since the interaction between magnetic fields follows the principle of "like poles repel, unlike poles attract," electromagnet 1 and magnetic rod 104 will periodically repel and attract each other, causing the magnetic rod 104 to periodically slide back and forth inside the slide rail 102. When the magnetic rod 104 slides to the first stop 101 and the second stop 103 at the end of the slide rail 102's travel, it experiences a rigid collision with the first stop 101. The limiting baffles on the first and second plugs 103 convert kinetic energy into impact vibration. At the same time, the magnetic field polarity switching drives the magnet to move in the opposite direction, thereby forming a continuous high-frequency reciprocating motion. The vibration generated can be used to transfer the vibration energy to the upper chute of the high-level silo during its application, causing the material inside the upper chute of the high-level silo to shake and prevent material blockage. At the same time, the mutual repulsion between the first permanent magnet block 107 and the second permanent magnet block 108 makes the protrusion 106 suspend between the grooves 105, so that the entire magnetic rod 104 is suspended inside the chute frame 102, eliminating the wear caused by mechanical contact friction during high-speed reciprocating motion of the magnetic rod 104 and improving the service life of the device.

[0030] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A vibration anti-clogging device for the upper chute of a high-level silo based on the magnetic effect of electric current, comprising an electromagnet (1), characterized in that: It also includes a vibration assembly. A set of vibration assemblies is provided on both sides of the electromagnet (1). The vibration assembly includes a first plug (101), a slide frame (102), a second plug (103), a magnetic rod (104), a groove (105), a protrusion (106), a first permanent magnet (107), a second permanent magnet (108), and a brass tube (109). The first plug (101) is provided on one side of the electromagnet (1), and the slide frame (102) is provided on one side of the first plug (101). The second plug (103) is provided at one end of the slide frame (102). A magnetic rod (104) is provided on the inner side of the slide frame (102). Two sets of grooves (105) are provided on the inner wall of the slide frame (102). Two sets of protrusions (106) are provided on the outer side of the magnetic rod (104). Three sets of first permanent magnet blocks (107) are provided on the inner wall of the groove (105). Three sets of second permanent magnet blocks (108) are provided on the outer side of the protrusions (106). The three sets of first permanent magnet blocks (107) and the three sets of second permanent magnet blocks (108) correspond one-to-one. The opposite faces of the first permanent magnet block (107) and its corresponding second permanent magnet block (108) have the same magnetic pole. A brass tube (109) is provided on the inner wall of the slide frame (102).

2. The vibration anti-clogging device for the upper chute of a high-level silo based on the current magnetic effect according to claim 1, characterized in that: An electromagnet (1) is provided with a mounting bracket (201) on its outer side, and a first mounting plate (202) is provided below the mounting bracket (201).

3. The vibration anti-clogging device for the upper chute of a high-level silo based on the current magnetic effect according to claim 2, characterized in that: A base (2) is provided below the first mounting plate (202), and a first connecting bolt (203) is provided on the inner side of the first mounting plate (202). The first connecting bolt (203) passes through the first mounting plate (202) and is threadedly connected to the base (2).

4. The vibration anti-clogging device for the upper chute of a high-level silo based on the current magnetic effect according to claim 3, characterized in that: A first cable (301) is provided on one side of the electromagnet (1), and a current controller (302) is provided at one end of the first cable (301).

5. The vibration anti-clogging device for the upper chute of a high-level silo based on the current magnetic effect according to claim 4, characterized in that: A second mounting plate (303) is provided below the current controller (302), and a first fixing plate (304) is provided below the second mounting plate (303). The first fixing plate (304) and the base (2) are connected to each other.

6. The vibration anti-clogging device for the upper chute of a high-level silo based on the current magnetic effect according to claim 3, characterized in that: A signal generator (401) is provided on the outside of the base (2), and a third mounting plate (402) is provided below the signal generator (401).

7. The vibration anti-clogging device for the upper chute of a high-level silo based on the current magnetic effect according to claim 6, characterized in that: A second fixing plate (403) is provided below the third mounting plate (402). The second fixing plate (403) and the base (2) are connected to each other. A second cable (404) is provided above the signal generator (401). The other end of the second cable (404) is connected to the electromagnet (1).

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