Eccentric heavy hammer opening and closing equipment for bin door of discharging opening of rotary charging machine bin

By adopting an eccentric weight reset device at the discharge port of the rotary feeder hopper, the problem of easy failure of the spring reset device is solved, reliable control of the hopper door is achieved, material leakage and blockage during loading and unloading are avoided, and the operational safety and economic benefits of the equipment are improved.

CN224279044UActive Publication Date: 2026-05-26GANSU XINYOU ELECTROMECHANICAL EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GANSU XINYOU ELECTROMECHANICAL EQUIP CO LTD
Filing Date
2025-06-30
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

The existing rotary feeder hopper discharge gate uses a spring reset device, which is prone to malfunction, leading to material leakage and blockage during loading and unloading.

Method used

An eccentric weight reset device is adopted. Through the combination of a support plate, a sliding rod, an eccentric weight, a ball, a door, a support rod, and a rubber pad, gravity drives the sliding rod and the ball to move, thereby achieving reliable opening and closing of the door and enhancing sealing.

Benefits of technology

It improves the reliability of the bin door opening and closing, avoids material leakage and blockage during loading and unloading, reduces maintenance rate and maintenance costs, and improves the operational safety and economic benefits of the equipment.

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Abstract

The utility model relates to the technical field of charging machines, in particular to a rotary charging machine stock bin discharge port bin door eccentric heavy hammer switch device which comprises a support and a charging barrel, the charging barrel is fixedly connected in the support, a switch mechanism is arranged at the end of the charging barrel, an arc-shaped plate is fixedly connected in the charging barrel through a bolt, and the arc-shaped plate is provided with a through hole. And the charging barrel is fixedly connected with the outer wall of the discharging pipe, and the interior of the charging barrel is rotationally connected with an auger through a bearing. The problems that in the prior art, the end of a discharging pipe is blocked through a rubber pad, a spring reset device is adopted in an existing design, and due to the defects that a spring loses efficacy after being stretched and compressed for a long time, a bin door opening and closing failure occurs easily, and feeding and discharging are leaked and blocked are solved. By innovatively designing an originally designed rotary charger discharge port bin gate switch from a spring reset device to the eccentric heavy hammer reset device, the problem of fatigue failure after long-term use of spring materials is solved, reliable control over the bin gate switch is improved, and the problems of material leakage and blockage during feeding and discharging are avoided.
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Description

Technical Field

[0001] This utility model relates to the field of feeding machine technology, specifically to an eccentric counterweight switch device for the discharge port door of a rotary feeding machine hopper. Background Technology

[0002] A rotary feeder is a device used for feeding and conveying materials. It is characterized by high efficiency, precision, and reliability and is widely used in industrial production. The rotary feeder mainly uses rotational motion to evenly transport materials from storage containers to production lines or other processing equipment. It is suitable for various types of materials, including powdery, granular, and small lump materials, and is widely used in industries such as building materials, chemicals, power, metallurgy, and coal.

[0003] The discharge port door of the existing rotary feeder hopper usually uses a spring reset device. However, the spring is prone to fatigue failure after long-term stretching and compression, which can easily cause the door to malfunction and lead to material leakage and blockage during loading and unloading. Utility Model Content

[0004] The purpose of this utility model is to solve the problem of easy failure of the bin door opening and closing, which causes material leakage and blockage during loading and unloading, and proposes an eccentric counterweight switch device for the bin door of the rotary feeder bin.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] Design a rotary feeder hopper discharge port eccentric counterweight switch device, including a bracket and a material cylinder. The material cylinder is fixedly connected inside the bracket. A switch mechanism is provided at the end of the material cylinder. An arc-shaped plate is fixedly connected inside the material cylinder by bolts. The material cylinder is fixedly connected to the outer wall of the discharge pipe. An auger is rotatably connected inside the material cylinder by bearings. A counterweight is fixedly installed inside the bracket.

[0007] Preferably, the switching mechanism includes a support plate fixed to the outer wall of the material cylinder. A sliding rod is slidably connected inside the support plate. An eccentric weight is fixed to one end of the sliding rod, and a ball is fixed to the other end of the sliding rod. The outer wall of the ball is in contact with the bin door. The bin door is rotatably connected to one end of the support rod via a pin. The other end of the support rod is fixedly connected to the material cylinder. A rubber pad is fixed to the outer wall of the bin door, and the rubber pad is in contact with the end of the discharge pipe.

[0008] Preferably, four casters are installed at the bottom of the bracket, and a material box is fixedly connected to the top of the bracket.

[0009] Preferably, the outer wall of the lower end of the material box is fixedly connected to the material cylinder.

[0010] Preferably, the top of the hopper has two cover plates rotatably connected by a pin.

[0011] Preferably, a handle is fixed to the upper surface of the cover plate.

[0012] Preferably, a motor is fixed to the outer wall of the material cylinder.

[0013] Preferably, the output shaft of the motor is fixedly connected to the auger.

[0014] The eccentric counterweight switch device for the discharge port door of the rotary feeder hopper proposed in this utility model has the following advantages: Through the support plate, slide rod, eccentric counterweight, ball, door, support rod, and rubber pad, the material inside the discharge pipe no longer squeezes the rubber pad and the door. Under the action of gravity, the eccentric counterweight drives the slide rod to slide in the opposite direction, the slide rod drives the ball to move, the ball drives the door to rotate in the opposite direction, and the door drives the rubber pad to move in the opposite direction. The rubber pad fits against the end of the discharge pipe, increasing the sealing between the door and the discharge pipe. After the material is conveyed, the eccentric counterweight... The device can drive the silo door to rotate in the opposite direction under the action of gravity, and seal the end of the discharge pipe with a rubber pad. The current design uses a spring reset device. However, springs are prone to fatigue failure after long-term tension and compression, which can easily cause the silo door to malfunction, resulting in material leakage and blockage during loading and unloading. By innovatively designing the silo door switch of the original rotary feeder discharge port from a spring reset device to an eccentric weight reset device, the problem of fatigue failure of spring materials after long-term use is solved, the reliability of the silo door switch is improved, and the problem of material leakage and blockage during loading and unloading is avoided. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a cross-sectional view of the structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the connection between the support plate, the sliding rod, and the eccentric counterweight in this utility model;

[0018] Figure 4 This is a structural schematic diagram of the connection between the material box, the cover plate, and the handle in this utility model;

[0019] Figure 5 This is a schematic diagram of the connection between the motor, auger, and material cylinder in this utility model.

[0020] In the diagram: 1. Support, 2. Material cylinder, 3. Switching mechanism, 301. Support plate, 302. Slide rod, 303. Eccentric counterweight, 304. Sphere, 305. Door, 306. Support rod, 307. Rubber pad, 4. Arc plate, 5. Discharge pipe, 6. Screw, 7. Counterweight, 8. Caster wheel, 9. Material box, 10. Cover plate, 11. Handle, 12. Motor. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings:

[0022] See attached document Figure 1-5 In this embodiment, the eccentric counterweight switch device for the discharge port door of the rotary feeder includes a bracket 1 and a material cylinder 2. The material cylinder 2 is fixedly connected inside the bracket 1, and the bracket 1 provides support and fixation for the material cylinder 2. A switch mechanism 3 is provided at the end of the material cylinder 2. The switch mechanism 3 controls the door 305 to open and close the discharge pipe 5. An arc plate 4 is fixedly connected inside the material cylinder 2 by bolts. The arc plate 4 allows the top of the material cylinder 2 to be disassembled, and the inside of the material cylinder 2 can be cleaned after disassembly. The material cylinder 2 is fixedly connected to the outer wall of the discharge pipe 5. The material inside the material cylinder 2 is discharged through the discharge pipe 5. An auger 6 is rotatably connected inside the material cylinder 2 by bearings. When the auger 6 rotates, it transports the material inside the material cylinder 2 to the discharge pipe 5. A counterweight 7 is fixedly installed inside the bracket 1. The counterweight 7 increases the weight of the bracket 1 body to prevent the equipment from tipping over and increases the stability of the equipment.

[0023] The switching mechanism 3 includes a support plate 301, a slide rod 302, an eccentric weight 303, a ball 304, a door 305, a support rod 306, and a rubber pad 307. The support plate 301 is fixed to the outer wall of the material cylinder 2, and the position of the support plate 301 and the material cylinder 2 is relatively fixed. The slide rod 302 is slidably connected inside the support plate 301. The slide rod 302 slides inside the support plate 301. An eccentric weight 303 is fixedly connected to one end of the slide rod 302. Under the action of gravity, the eccentric weight 303 can drive the slide rod 302 to slide. The ball 304 is fixedly connected to the other end of the slide rod 302. The slide rod 302 and the ball 304 move together. The outer wall of 304 fits against the door 305. The ball 304 can drive the door 305 to move. The door 305 is rotatably connected to one end of the support rod 306 through a pin. The support rod 306 supports the door 305. When the door 305 moves, it rotates at the connecting shaft between the support rod 306 and the door 305. The other end of the support rod 306 is fixedly connected to the material cylinder 2. A rubber pad 307 is fixedly attached to the outer wall of the door 305. The door 305 and the rubber pad 307 rotate together. The rubber pad 307 fits against the end of the discharge pipe 5. The rubber pad 307 increases the sealing between the door 305 and the end of the discharge pipe 5.

[0024] The material inside the discharge pipe 5 no longer compresses the rubber pad 307 and the hopper door 305. Under the action of gravity, the eccentric weight 303 drives the slide bar 302 to slide in the opposite direction. The slide bar 302 drives the ball 304 to move, and the ball 304 drives the hopper door 305 to rotate in the opposite direction. The hopper door 305 drives the rubber pad 307 to move in the opposite direction. The rubber pad 307 fits against the end of the discharge pipe 5, increasing the sealing between the hopper door 305 and the discharge pipe 5. After the material is conveyed, the eccentric weight 303 can drive the hopper door under the action of gravity. 305 rotates in the reverse direction, and the end of the discharge pipe 5 is sealed by the rubber pad 307. The current design uses a spring reset device. However, springs are prone to failure due to fatigue after long-term tension and compression, which can easily cause the hopper door to malfunction, resulting in material leakage and blockage during loading and unloading. By innovatively designing the hopper door switch of the rotary feeder discharge port from a spring reset device to an eccentric weight reset device, the problem of fatigue failure of spring materials after long-term use is solved, the reliable control of the hopper door switch is improved, and the problem of material leakage and blockage during loading and unloading is avoided.

[0025] Four casters 8 are installed at the bottom of the support 1, which facilitates the movement of the support 1. A material box 9 is fixedly connected to the top of the support 1, and the support 1 supports and positions the material box 9. The outer wall of the lower end of the material box 9 is fixedly connected to the material cylinder 2, and the material inside the material box 9 can enter the interior of the material cylinder 2. Two cover plates 10 are rotatably connected to the top of the material box 9 by a pin, and the two cover plates 10 cover the top of the material box 9. A handle 11 is fixedly connected to the upper surface of the cover plate 10, and the handle 11 drives the cover plate 10 to move, which facilitates the rotation of the cover plate 10. A motor 12 is fixedly connected to the outer wall of the material cylinder 2, and the output shaft of the motor 12 is fixedly connected to the auger 6. When the motor 12 rotates, it drives the auger 6 to rotate.

[0026] Working principle:

[0027] When using the eccentric counterweight switch for the discharge port door of the rotary feeder hopper, a battery that powers the motor 12 and a control unit are installed inside the bracket 1. Pushing the equipment moves it to the desired location. The casters 8 facilitate movement and are self-locking to secure the equipment in the desired position. Pulling the handle 11 rotates the cover plate 10, opening the top of the material bin 9 and allowing material to be added. The material enters the material cylinder 2 through the hopper 9. Starting the motor 12 rotates the auger 6. Material is conveyed from the hopper 9 to the discharge pipe 5. Upon reaching the inside of the discharge pipe 5, the material contacts the rubber pad 307. As the auger 6 rotates, the amount of material inside the discharge pipe 5 increases, compressing the rubber pad 307 and driving its movement. The rubber pad 307 moves together with the hopper door 305, which rotates under the support of the support rod 306. The hopper door 305 drives the ball head 304, which in turn drives the sliding rod 302. The sliding rod 302 slides obliquely upwards inside the support plate 301, driving the eccentric counterweight 303 to move. The material is then discharged from the discharge pipe 5 and falls to the designated position. After the material conveying is completed, the material inside the discharge pipe 5 no longer squeezes the rubber pad 307 and the hopper door 305. Under the action of gravity, the eccentric weight 303 drives the slide bar 302 to slide in the opposite direction. The slide bar 302 drives the ball 304 to move. The ball 304 drives the hopper door 305 to rotate in the opposite direction. The hopper door 305 drives the rubber pad 307 to move in the opposite direction. The rubber pad 307 fits against the end of the discharge pipe 5. The rubber pad 307 increases the sealing between the hopper door 305 and the discharge pipe 5. After the material conveying is completed, the eccentric weight 303 can drive the hopper door 305 to rotate in the opposite direction under the action of gravity. The hopper door 305, through the rubber pad 307, presses against the end of the discharge pipe 5. The current design uses a spring reset device for sealing. However, springs are prone to fatigue failure after long-term tension and compression, which can easily lead to malfunction of the hopper door, causing material leakage and blockage during loading and unloading. By innovatively redesigning the hopper door switch of the rotary feeder's discharge port from a spring reset device to an eccentric weight reset device, the problem of fatigue failure of spring materials after long-term use is solved. This improves the reliability of the hopper door switch control, avoids material leakage and blockage during loading and unloading, and completely guarantees the reliability of the hopper door switch control. The maintenance rate is extremely low, maintenance costs are reduced, the operational safety of the equipment is significantly improved, downtime is significantly reduced, and the economic benefits of the enterprise are increased.

[0028] Although the present invention has been illustrated and described with reference to preferred embodiments, those skilled in the art should understand that various changes in form and detail are possible within the scope of the claims.

Claims

1. An eccentric counterweight switch device for the discharge port door of a rotary feeder hopper, comprising a support (1) and a material cylinder (2), wherein the material cylinder (2) is fixedly connected inside the support (1), characterized in that: The end of the material cylinder (2) is provided with a switch mechanism (3), the inside of the material cylinder (2) is fixedly connected with an arc plate (4) by bolts, the material cylinder (2) is fixedly connected to the outer wall of the discharge pipe (5), the inside of the material cylinder (2) is rotatably connected with an auger (6) by bearings, and a counterweight (7) is fixedly installed inside the bracket (1).

2. The eccentric counterweight switch device for the discharge port door of the rotary feeder hopper according to claim 1, characterized in that: The switching mechanism (3) includes a support plate (301), which is fixed to the outer wall of the material cylinder (2). A sliding rod (302) is slidably connected inside the support plate (301). An eccentric weight (303) is fixed to one end of the sliding rod (302), and a ball (304) is fixed to the other end of the sliding rod (302). The outer wall of the ball (304) is in contact with the bin door (305). The bin door (305) is rotatably connected to one end of the support rod (306) through a pin. The other end of the support rod (306) is fixedly connected to the material cylinder (2). A rubber pad (307) is fixed to the outer wall of the bin door (305), and the rubber pad (307) is in contact with the end of the discharge pipe (5).

3. The eccentric counterweight switch device for the discharge port door of the rotary feeder hopper according to claim 1, characterized in that: Four casters (8) are installed below the bracket (1), and a material box (9) is fixed above the bracket (1).

4. The eccentric counterweight switch device for the discharge port door of the rotary feeder hopper according to claim 3, characterized in that: The outer wall of the lower end of the hopper (9) is fixedly connected to the cylinder (2).

5. The eccentric counterweight switch device for the discharge port door of the rotary feeder hopper according to claim 3, characterized in that: The material box (9) is rotatably connected to two cover plates (10) via pins.

6. The eccentric counterweight switch device for the discharge port door of the rotary feeder hopper according to claim 5, characterized in that: A handle (11) is fixed to the upper surface of the cover plate (10).

7. The eccentric counterweight switch device for the discharge port door of the rotary feeder hopper according to claim 1, characterized in that: A motor (12) is fixed to the outer wall of the material cylinder (2).

8. The eccentric counterweight switch device for the discharge port door of the rotary feeder hopper according to claim 7, characterized in that: The output shaft of the motor (12) is fixedly connected to the auger (6).