Intelligent damping system of feeder
By designing an intelligent damping system on the vibrating feeder, and using airbags and spring assemblies combined with piston assemblies and air storage tanks, multi-directional stable control of the feeder can be achieved. This solves the problem that existing damping systems cannot suppress overall shaking, and improves the stability of the equipment and the uniformity of material conveying.
Patent Information
- Application Number
- CN202511868394.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-11
- Publication Date
- 2026-02-27
AI Technical Summary
The existing vibration damping system of the vibrating feeder cannot effectively suppress the overall horizontal swaying and tilting of the feeder, resulting in decreased equipment stability, increased risk of material splashing, and impact on equipment life and safety.
An intelligent damping system is adopted, which includes a base plate, damping rods, shock absorbers, air bladders, and multiple sets of connecting rods. The air bladders and spring assemblies provide multi-directional damping, and the piston assembly and air tank adjust the damping effect to achieve multi-directional stable control of the feeder.
It improves the operational stability of the feeder and the uniformity of material conveying, reduces the risk of equipment failure and material splashing, and enhances the reliability and applicability of the system.
Smart Images

Figure CN121576378A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of vibration damping equipment technology, specifically to an intelligent vibration damping system for a feeder. Background Technology
[0002] Feeding equipment is an auxiliary device in the mechanized storage and transportation system of lime production enterprises. Its main function is to continuously and uniformly feed processed or unprocessed materials from a certain device (hopper, silo, etc.) to the receiving equipment or transport machinery. Vibrating feeders used in mines are used to uniformly or quantitatively supply materials from storage bins or other storage equipment to receiving equipment, and are essential equipment for implementing automated assembly line operations.
[0003] The main working mode of the feeder is to convey materials through vibration. During the vibration process, a shock absorption system needs to be set up to limit the amplitude to avoid excessive amplitude causing reduced equipment life or material splashing.
[0004] In the prior art, Chinese patent application number 202010299746.2 proposes an improvement to the vibration damping system of a vibrating feeder by describing a shock-absorbing base. While this method uses springs on both sides of the shock absorber rod to limit its movement during vibration, the shock absorber rod is only one component of the overall structure. When the feeder starts, due to uneven material load distribution and vibration frequency fluctuations, the damping system can only restrict the vertical movement of the shock absorber rod, but cannot suppress the horizontal swaying of the feeder base. This results in periodic tilting of the feeder, causing material to splash out of the inlet, and repeated stress at the connection between the base and the foundation, leading to loose bolts and structural deformation. Furthermore, the springs on both sides of the shock absorber rod only provide localized limiting and cannot coordinate the overall balance of the feeder, significantly reducing the stability of the equipment during continuous operation.
[0005] If the aforementioned problems are not addressed, the vibrating feeder will experience accelerated fatigue damage to critical components due to overall vibration during long-term operation, leading to equipment failure and production interruptions. Furthermore, material splashing not only results in raw material loss but may also pose safety risks to surrounding equipment and operators, increasing the complexity and cost of system maintenance. Therefore, design flaws in the vibration damping system will directly limit the reliability and applicability of the feeder in automated assembly line operations. Summary of the Invention
[0006] In order to solve the technical problems mentioned in the background art, the present invention proposes an intelligent vibration reduction system for a feeder to solve the technical problems.
[0007] To achieve the above objectives, the present invention adopts the following technical solution: This invention provides an intelligent vibration damping system for a feeder, comprising a base plate and a vibration damping rod vertically disposed in the middle of the base plate. A shock-absorbing cylinder is fitted onto the upper end of the vibration damping rod. Four slide rails are arranged circumferentially around the outer side of the base plate. A base protrudes from the middle of the upper part of the base plate, and the vibration damping rod is perpendicular to the base. A first air bladder is arranged circumferentially around the bottom of the vibration damping rod. The upper end of the vibration damping rod extends into the shock-absorbing cylinder, and a fixed piston assembly is located at the top of the vibration damping rod. A second vibration damping assembly is located at the bottom of the shock-absorbing cylinder cavity. A top cover is provided on the upper end of the shock-absorbing cylinder. Air storage cylinders communicating with the shock-absorbing cylinder cavity are arranged on both sides of the top cover. A first balancing assembly is connected between the two sides of the top cover and the two sides of the base. A limiting ring is also fitted onto the outer side of the shock-absorbing cylinder. A first spring continuously wound around the outer side of the vibration damping rod is arranged between the limiting ring and the base. A second balancing assembly is connected between the outer side of the limiting ring and the slide rails.
[0008] Preferably, the shock absorber rod is vertically fixed in the middle of the base, the first airbag is placed on the upper end of the base and sealed at the bottom of the shock absorber rod, and one end of the shock absorber rod with a fixed piston assembly is connected to the bottom of the shock absorber cylinder and disposed inside the shock absorber cylinder, and the shock absorber cylinder can slide up and down on the shock absorber rod.
[0009] Preferably, the fixed piston assembly includes shims symmetrically arranged at the upper end of the shock absorber rod. The two shims have the same diameter and are smaller than the cross-sectional diameter of the shock absorber cavity. A fixed piston head is arranged between the two shims. The cross-sectional diameter of the fixed piston head is equal to the cross-sectional diameter of the shock absorber cavity, and the outer side of the fixed piston head is in close contact with the inner wall of the shock absorber cavity.
[0010] Preferably, the upper surface of the fixed piston head has a plurality of guide holes arranged in a circumferential array to the lower surface of the fixed piston head, and the fixed piston head is provided with gaps between the upper and lower side gaskets, forming an air circuit from the gap between the outer edge of the gasket and the shock absorber cylinder to the guide holes of the fixed piston head.
[0011] Preferably, the outer wall of the shock absorber has multiple limiting grooves from top to bottom, and the limiting ring is fitted inside one of the limiting grooves.
[0012] Preferably, the second shock absorber assembly includes a second airbag disposed at the bottom of the shock absorber cylinder, a second spring disposed at the upper end of the second airbag, a plug disposed at the upper end of the second spring, the outer walls of the second airbag and the plug being tightly attached to the inner wall of the shock absorber cylinder, and the second airbag and the plug being sealed and surrounding the shock absorber rod, and the plug, the second spring and the second airbag being disposed sequentially from top to bottom at the lower end of the fixed piston assembly of the shock absorber rod.
[0013] Preferably, the top cover has symmetrical ventilation channels on both sides, the ventilation channels are connected to the top cover and have threads on the inner wall of the ventilation channels, the end of the ventilation channel away from the top cover is open, and an adjusting bolt is installed through the threaded opening, the lower end of the ventilation channel has horizontally arranged air inlets, and the lower end of the ventilation channel is connected to an air storage cylinder, the air inlets connecting the ventilation channel and the air storage cylinder.
[0014] Preferably, the first balancing component includes a first connecting rod axially connected to both sides of the top cover, and a second connecting rod axially connected to both sides of the base. A connecting block is connected between the adjacent ends of the first and second connecting rods. A third connecting rod is axially connected to the outside of the connecting block. A slider is provided at the other end of the third connecting rod, and the third connecting rod is slidably disposed in a slide rail via the slider.
[0015] Preferably, the second balancing component includes a fourth connecting rod with a limit ring on both sides, and a slider at the other end of the fourth connecting rod. The fourth connecting rod is slidably disposed in a slide rail through the slider. The second balancing component and the first balancing component form a cross-support structure.
[0016] Preferably, a bearing seat is provided at the end of the slide away from the base plate. The bearing seat has a transverse opening, and a push rod is slidably embedded in the bearing seat. A third spring is arranged around the outside of the push rod.
[0017] The beneficial effects of this invention are as follows: This invention uses a first spring and a first airbag as the main damping components between the shock absorber and the damping rod to prevent collisions between them. At the same time, a second damping component is provided inside the shock absorber to prevent the piston head assembly from colliding with the bottom of the shock absorber cavity during vibration, while providing a second damping effect for the feeder equipment against vertical vibrations.
[0018] The shock absorber is equipped with a top cover, and air storage cylinders are connected to both sides of the top cover. When the piston head assembly rises, the fixed piston head pushes the air upward to enter the air storage cylinder, and the sliding piston inside the air storage cylinder is pushed downward. Conversely, when the fixed piston head is pushed downward by the reverse force of vibration, the fixed piston head absorbs air downward through the guide hole, and the air in the air storage cylinder is pulled, causing the sliding piston to move upward. The air storage cylinder provides air damping and shock absorption effect for the shock absorber.
[0019] The shock absorber is equipped with a limiting groove on the outside. By placing the limiting ring in the limiting groove at different heights, the length of the first spring can be adjusted to achieve different vibration damping effects. At the same time, by twisting the adjusting bolt in the vent channel, the amount of blockage to the air inlet can be changed to control the efficiency of air exchange, thereby adjusting the air damping effect, making it more intelligent.
[0020] The shock absorber is equipped with a first balancing component and a second balancing component on its outer side, which controls the overall cross-shaped sway of the shock absorber and makes it more stable in use. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a cross-sectional view of the present invention; Figure 3 This is a schematic diagram of the shock absorber bar structure of the present invention; Figure 4 This is a sectional view of the top cover.
[0022] Explanation of annotations in the image: 1. Base plate; 101. Base; 102. Slide rail; 103. Shaft seat; 2. First airbag; 3. Shock absorber rod; 301. First spring; 302. Fixed piston head; 303. Gasket; 304. Guide hole; 4. Vibration damper cylinder; 401. Limiting groove; 402. Second airbag; 403. Second spring; 404. Plug; 5. Top cover; 501. Vent channel; 502. Air tank; 503. Adjusting bolt; 504. Air inlet; 505. Sliding piston; 6. First connecting rod; 601. Second connecting rod; 602. Connecting block; 603. Third connecting rod; 604. Slider; 7. Limiting ring; 701. Fourth connecting rod; 8. Top rod; 801. Third spring. Detailed Implementation
[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.
[0024] To make the above-mentioned objects, features, and advantages of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of the present invention. However, the present invention can be practiced in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0025] In the description of this invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.
[0026] Example 1: In the design of vibration damping systems for vibrating feeders, existing technologies only implement limit control on the three damping rods, failing to effectively constrain the multi-directional swaying of the feeder as a whole during operation. This problem stems from insufficient consideration of the overall structural stability of the damping system, leading to horizontal displacement and tilting of the feeder during vibration, thus affecting the operational stability of the equipment and the uniformity of material conveying. The main manifestations of this technical problem are reduced equipment lifespan and increased risk of material splashing. Specifically, the damping system cannot cope with the complex swaying generated by the feeder during vibration, thereby weakening the system's reliability.
[0027] In the design of vibration damping systems for vibrating feeders, existing technologies only implement limit control on the three damping rods, failing to effectively constrain the multi-directional swaying of the feeder as a whole during operation. This problem stems from insufficient consideration of the overall structural stability of the damping system, leading to horizontal displacement and tilting of the feeder during vibration, thus affecting the operational stability of the equipment and the uniformity of material conveying. The main manifestations of this technical problem are reduced equipment lifespan and increased risk of material splashing. Specifically, the damping system cannot cope with the complex swaying generated by the feeder during vibration, thereby weakening the system's reliability.
[0028] Example 1: Combination Figure 1-3A smart vibration damping system for a feeder includes a base plate 1 and a vibration damping rod 3 vertically disposed in the middle of the base plate 1. A shock absorber cylinder 4 is fitted onto the upper end of the vibration damping rod 3. Four slide rails 102 are arranged circumferentially around the outer side of the base plate 1. A base 101 protrudes from the middle of the upper end of the base plate 1. The vibration damping rod 3 is perpendicular to the base 101. A first airbag 2 is arranged circumferentially around the bottom of the vibration damping rod 3. The upper end of the vibration damping rod 3 extends into the shock absorber cylinder 4. A fixed piston assembly is located at the top of the vibration damping rod 3. The shock absorber cylinder 4... The bottom of the cavity has a second shock-absorbing component. The upper end of the shock absorber 4 is covered with a top cover 5. On both sides of the top cover 5, there are air storage cylinders 502 that are connected to the cavity of the shock absorber 4. A first balancing component is connected between the two sides of the top cover 5 and the two sides of the base 101. A limiting ring 7 is also sleeved on the outside of the shock absorber 4. A first spring 301 is continuously wound around the outside of the shock absorber rod 3 between the limiting ring 7 and the base 101. The second balancing component is connected between the outside of the limiting ring 7 and the slide 102.
[0029] As a further technical solution of the present invention, combined with Figure 1 The shock absorber rod 3 is vertically fixed to the middle of the base 101. The first airbag 2 is placed on the upper end of the base 101 and sealed at the bottom of the shock absorber rod 3. One end of the shock absorber rod 3, equipped with a fixed piston assembly, is connected to the bottom of the shock absorber cylinder 4 and is disposed inside the shock absorber cylinder 4. The shock absorber cylinder 4 can slide up and down on the shock absorber rod 3. The vertical fixation of the shock absorber rod 3 to the middle of the base 101 provides a stable core support for the entire shock absorption system. The first airbag 2 is placed on the upper end of the base 101 and sealed at the bottom of the shock absorber rod 3. This means that the first airbag 2 directly bears the vertical load from the shock absorber rod 3 and provides initial elastic support and shock absorption through the compression and expansion of the gas inside it. At the same time, its sealing ensures the stability of the shock absorption performance. The fixed piston assembly on one end of the shock absorber rod 3 is connected to the bottom of the shock absorber cylinder 4 and is disposed inside the shock absorber cylinder 4, so that the fixed piston assembly can effectively form a working cavity inside the shock absorber cylinder 4. The shock absorber cylinder 4 can slide up and down on the shock absorber rod 3. When the feeder is subjected to impact or vibration, the shock absorber 4 will reciprocate up and down relative to the damping rod 3 fixed on the base 101. This relative motion causes the fluid inside the shock absorber 4 to be compressed or flow through the damping hole under the action of the fixed piston assembly, thereby generating damping force and converting vibration energy into heat energy for dissipation.
[0030] As a further technical solution of the present invention, combined with Figure 3The fixed piston assembly includes two symmetrically arranged pads 303 on the upper end of the shock absorber rod 3. The two pads 303 have equal diameters, smaller than the cross-sectional diameter of the shock absorber cylinder 4. A fixed piston head 302 is positioned between the two pads 303. The cross-sectional diameter of the fixed piston head 302 is equal to the cross-sectional diameter of the shock absorber cylinder 4. The outer edge of the fixed piston head 302 is in close contact with the inner wall of the shock absorber cylinder 4. The relative movement between the shock absorber rod 3 and the shock absorber cylinder 4 can produce a controllable damping effect. When the feeder system is subjected to impact or vibration, the shock absorber cylinder 4 will slide up and down relative to the shock absorber rod 3. Because the outer edge of the fixed piston head 302 is in close contact with the inner wall of the shock absorber cylinder 4, the fixed piston head 302 divides the shock absorber cylinder 4 into upper and lower chambers. When the shock absorber cylinder 4 slides on the shock absorber rod 3, the fixed piston head 302 will move within the shock absorber cylinder 4, thereby compressing or expanding the fluid in one of the chambers. The presence of the gasket 303, whose diameter is smaller than that of the shock absorber cylinder 4, allows fluid to flow in the gap between the outer side of the gasket 303 and the inner wall of the shock absorber cylinder 4, or through the guide hole 304 inside the fixed piston head 302. This structural design forces the fluid to flow through a restricted channel when compressed or expanded, thereby generating damping force and effectively dissipating vibration energy. In this way, the fixed piston assembly can precisely control the movement speed and damping effect of the shock absorber cylinder 4, ensuring that the damping system provides stable damping performance under various operating conditions. This sophisticated piston structure makes the relative motion resistance between the shock absorber rod 3 and the shock absorber cylinder 4 controllable, thereby improving the responsiveness and stability of the entire damping system.
[0031] As a further technical solution of the present invention, combined with Figure 3The upper surface of the fixed piston head 302 has a plurality of guide holes 304 arranged in a circumferential array, leading to the lower surface of the fixed piston head 302. The fixed piston head 302 has gaps between itself and the upper and lower side gaskets 303. An air circuit is formed between the gap between the outer edge of the gasket 303 and the shock absorber 4 and the guide holes 304 of the fixed piston head 302. The guide holes 304 are channels provided on the fixed piston head 302, and their main function is to allow the medium (e.g., air) in the cavity of the shock absorber 4 to flow from the upper surface of the fixed piston head 302 to its lower surface and vice versa when the fixed piston head 302 moves up and down. This helps to balance the pressure on the upper and lower sides of the fixed piston head 302, reduce motion resistance, and provide a controllable damping effect. The guide holes 304 can be designed as circular, elliptical, or slit-shaped, and can be evenly or non-uniformly distributed on the edge of the upper surface of the fixed piston head 302, extending vertically downward to the lower surface. The size and number of orifices can be adjusted according to the desired damping characteristics; for example, the gas flow rate can be controlled by changing the orifice size or number. Furthermore, a one-way valve or a variable cross-section structure can be installed inside the guide orifice 304 to achieve more precise damping adjustment. The gap is a small space between the piston head 302 and the upper and lower gaskets 303. These gaps act as auxiliary channels, forming the path for medium flow together with the guide orifice 304. Their function is to ensure that even when the piston head 302 and gasket 303 are tightly fitted, there is still sufficient space for medium flow, avoiding excessive resistance or negative pressure due to complete sealing.
[0032] As a further technical solution of the present invention, combined with Figure 1 The outer wall of the shock absorber 4 has multiple limiting grooves 401 from top to bottom. The limiting ring 7 is fitted into one of the limiting grooves 401. By having multiple limiting grooves 401 on the outer wall of the shock absorber 4 from top to bottom and fitting the limiting ring 7 into one of the limiting grooves 401, a clear and lockable axial positioning mechanism is provided for the limiting ring 7. When the feeder vibrates or bears a load during operation, the shock absorber rod 3 and the shock absorber 4 will move relative to each other. Since the limiting ring 7 is firmly fixed in the selected limiting groove 401, its axial position will not change arbitrarily due to impact or vibration. This ensures that the first spring 301 always works within the preset compression range, providing stable elastic support force; at the same time, the second balancing component can also be connected and act with a fixed reference point, thereby maintaining the overall balance of the system. The design of multiple limiting grooves 401 also allows for flexible adjustment of the initial position of the limiting ring 7 according to different working conditions or vibration reduction requirements, thereby changing the preload state of the first spring 301 or the initial action point of the second balancing component, enabling the entire vibration reduction system to adapt to a wider range of application scenarios and provide more precise and reliable vibration reduction and balancing performance.
[0033] As a further technical solution of the present invention, combined with Figure 2 The second damping assembly includes a second airbag 402 disposed at the bottom of the shock absorber cylinder 4. A second spring 403 is placed on the upper end of the second airbag 402, and a plug 404 is placed on the upper end of the second spring 403. The outer walls of the second airbag 402 and the plug 404 are tightly attached to the inner wall of the shock absorber cylinder 4, and the second airbag 402 and the plug 404 are sealed and surround the shock absorber rod 3. The plug 404, the second spring 403, and the second airbag 402, arranged sequentially from top to bottom, are all located at the lower end of the fixed piston assembly of the shock absorber rod 3. When the feeder is subjected to an impact load, the shock absorber rod 3 moves downward within the shock absorber cylinder 4. The lower end of the fixed piston assembly of the shock absorber rod 3 contacts and compresses the plug 404. The plug 404 transmits force to the second spring 403 below it, and the second spring 403 begins to compress, providing the first stage of elastic damping. As the impact force further increases or the stroke of the shock absorber rod 3 increases, the compression of the second spring 403 further transmits force to the second airbag 402. The second airbag 402 is compressed at the bottom of the shock absorber cylinder 4, increasing the internal gas pressure and providing a second stage of pneumatic damping. The outer walls of the second airbag 402 and the plug 404 are tightly fitted against the inner wall of the shock absorber cylinder 4, ensuring the radial stability and positioning of the damping assembly and preventing component swaying or deviation. Simultaneously, the second airbag 402 and the plug 404 are sealed around the shock absorber rod 3, effectively preventing leakage of gas or liquid inside the shock absorber cylinder 4, ensuring the sealing performance and operational efficiency of the damping system. This design, in which the plug 404, the second spring 403, and the second airbag 402 are stacked sequentially and work in concert, allows the damping system to provide a progressive or multi-stage damping response based on the magnitude and stroke of the impact load, effectively absorbing impact energy and smoothly restoring the shock absorber rod 3, thereby significantly improving the feeder's damping performance and operational stability under different working conditions.
[0034] As a further technical solution of the present invention, combined with Figure 4The top cover has symmetrically arranged ventilation channels 501 on both sides. The ventilation channels 501 are connected to the top cover and have threads on their inner walls. One end of the ventilation channel 501 away from the top cover is open, through which an adjusting bolt 503 is threadedly installed. Air inlets 504 are arranged horizontally at the lower end of the ventilation channels 501, and an air storage cylinder 502 is connected to the lower end of the ventilation channels 501. The air inlets 504 connect the ventilation channels 501 and the air storage cylinder 502. The symmetrically arranged ventilation channels 501 on both sides of the top cover are channels for guiding gas flow between the shock absorber 4 cavity and the air storage cylinder 502. Their symmetrical layout helps maintain the system's balance. The connection between the ventilation channels 501 and the top cover ensures smooth gas flow, and the threaded structure on the inner wall of the ventilation channels 501 provides a reliable connection for the subsequent installation of adjustment components. The ventilation channel 501 has an opening at one end away from the top cover, and an adjusting bolt 503 is threaded through the opening. By screwing the adjusting bolt 503 in or out, the effective cross-sectional area of the gas flow in the ventilation channel 501 can be changed, thereby achieving precise control of the gas flow resistance.
[0035] As a further technical solution of the present invention, combined with Figure 1 The first balancing assembly includes first connecting rods 6 pivotally connected to both sides of the top cover 5, and second connecting rods 601 pivotally connected to both sides of the base 101. A connecting block 602 connects the adjacent ends of the first connecting rods 6 and the second connecting rods 601. A third connecting rod 603 is pivotally connected to the outer side of the connecting block 602. A slider 604 is provided at the other end of the third connecting rod 603, and the third connecting rod 603 is slidably disposed within the slide rail 102 via the slider 604. As a further technical solution of the present invention, combined with Figure 1The second balancing assembly includes a fourth connecting rod 701 with a limiting ring 7 on both sides, and a slider 604 at the other end of the fourth connecting rod 701. The fourth connecting rod 701 is slidably disposed in the slide rail 102 via the slider 604. The second balancing assembly and the first balancing assembly form a cross-support structure. A bearing seat 103 is provided at the end of the slide rail 102 away from the base plate 1. The bearing seat 103 has a transverse opening and a top rod 8 is slidably embedded in the bearing seat 103. A third spring 801 is arranged around the outside of the top rod 8. The four slide rails 102 arranged in a circumferential array on the outside of the base plate 1 provide transverse support and guidance for the first and second balancing assemblies. When the feeder system is subjected to transverse impact or vibration, the slider 604 in the first and second balancing assemblies will slide in the slide rail 102 to absorb and disperse the transverse load. In order to further optimize the smoothness of the movement and the buffering effect of the slider 604 in the slide rail 102, this application provides a bearing seat 103 at the end of the slide rail 102 away from the base plate 1. The bearing seat 103 features a transverse opening design, allowing the push rod 8 to slide and be fitted within it. When the slider 604 slides to its end within the slide rail 102, the push rod 8 contacts the slider 604 or its connecting component and is pushed into the bearing seat 103. At this time, the third spring 801 surrounding the outside of the push rod 8 is compressed, generating a gradually increasing reaction force to buffer and decelerate the movement of the slider 604.
[0036] Example 2: This invention uses a first spring 301 and a first airbag 2 as the main damping components between the shock absorber 4 and the damping rod 3 to prevent collisions between them. Simultaneously, a second damping component is installed inside the shock absorber 4 to prevent collisions between the piston head assembly and the bottom of the shock absorber 4 cavity during vibration, providing a second damping effect for the feeder equipment against vertical vibrations. A top cover 5 is provided at the upper end of the shock absorber 4, and air storage cylinders 502 are connected to both sides of the top cover 5. When the piston head assembly rises, the fixed piston head 302 pushes air upwards, allowing air to enter the air storage cylinder 502, pushing the sliding piston 505 downwards inside the air storage cylinder 502. Conversely, when the fixed piston head 302 is pushed downwards by the reverse vibration force, the fixed piston head 302 passes through the guide hole... 304 draws air downwards, pulling the air in the air reservoir 502 and causing the sliding piston 505 to move upwards. The air reservoir 502 provides air damping for the shock absorber 4. The shock absorber 4 has a limiting groove 401 on its outer side. By placing the limiting ring 7 in the limiting groove 401 at different heights, the length of the first spring 301 can be adjusted to achieve different vibration damping effects. At the same time, by twisting the adjusting bolt 503 in the vent 501, the amount of blockage to the air inlet 504 can be changed to control the efficiency of air exchange, thereby adjusting the air damping effect. This is more intelligent. The shock absorber 4 has a first balancing component and a second balancing component on its outer side to control the overall cross-shaped sway of the shock absorber 4, making it more stable in use.
[0037] The foregoing has shown and described the basic principles and main features of the present invention and its advantages. It will be apparent to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting in all respects. The scope of the present invention is defined by the appended claims rather than the foregoing description. Therefore, it is intended that all changes falling within the meaning and scope of the equivalents of the claims be included within the present invention, and no reference numerals in the claims should be regarded as limiting the scope of the claims.
[0038] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A smart vibration damping system for a feeder, comprising a base plate (1) and a vibration damping rod (3) vertically disposed in the middle of the base plate (1), wherein a shock absorber cylinder (4) is sleeved on the upper end of the vibration damping rod (3), characterized in that: The base plate (1) has four slide rails (102) arranged around its outer perimeter. A base (101) protrudes from the middle of the upper end of the base plate (1). The shock absorber (3) is perpendicular to the base (101). A first airbag (2) is arranged around the bottom of the shock absorber (3). The upper end of the shock absorber (3) extends into the shock absorber cylinder (4). The top of the shock absorber (3) has a fixed piston assembly. The bottom of the cavity of the shock absorber cylinder (4) has a second shock absorber assembly. The upper end of the shock absorber cylinder (4) is covered with a top cover (5). The top cover (5) is provided with air storage cylinders (502) that are connected to the cavity of the shock absorber (4) on both sides. The top cover (5) is connected to the base (101) on both sides with a first balancing component. The shock absorber (4) is also fitted with a limiting ring (7) on the outside. The limiting ring (7) and the base (101) are connected with a first spring (301) that is wound around the outside of the shock absorber (3). The limiting ring (7) is connected to the slide (102) on the outside with a second balancing component.
2. The intelligent vibration damping system for a feeder according to claim 1, characterized in that: The shock absorber rod (3) is vertically fixed in the middle of the base (101). The first airbag (2) is placed on the upper end of the base (101) and sealed at the bottom of the shock absorber rod (3). One end of the shock absorber rod (3) with a fixed piston assembly is connected to the bottom of the shock absorber cylinder (4) and placed inside the shock absorber cylinder (4). The shock absorber cylinder (4) can slide up and down on the shock absorber rod (3).
3. The intelligent vibration damping system for a feeder according to claim 1, characterized in that: The fixed piston assembly includes two symmetrically arranged pads (303) on the upper end of the shock absorber rod (3). The two pads (303) have the same diameter and are smaller than the cross-sectional diameter of the shock absorber cylinder (4). A fixed piston head (302) is arranged between the two pads (303). The cross-sectional diameter of the fixed piston head (302) is equal to the cross-sectional diameter of the shock absorber cylinder (4). The outer side of the fixed piston head (302) is in close contact with the inner wall of the shock absorber cylinder (4).
4. The intelligent vibration damping system for a feeder according to claim 3, characterized in that: The upper surface of the fixed piston head (302) has a circumferential array of multiple guide holes (304) that lead to the lower surface of the fixed piston head (302). The fixed piston head (302) and the gaskets (303) on the upper and lower sides are provided with gaps. An air circuit is formed from the gap between the outer side of the gasket (303) and the shock absorber (4) to the guide holes (304) of the fixed piston head (302).
5. The intelligent vibration damping system for a feeder according to claim 1, characterized in that: The outer wall of the shock absorber (4) has multiple limiting grooves (401) from top to bottom, and the limiting ring (7) is fitted inside one of the limiting grooves (401).
6. The intelligent vibration damping system for a feeder according to claim 1, characterized in that: The second shock absorber assembly includes a second airbag (402) disposed at the bottom of the shock absorber cylinder (4), a second spring (403) placed at the upper end of the second airbag (402), a plug (404) placed at the upper end of the second spring (403), the outer walls of the second airbag (402) and the plug (404) are both in close contact with the inner wall of the shock absorber cylinder (4), and the second airbag (402) and the plug (404) are both sealed and surrounded on the shock absorber rod (3). The plug (404), the second spring (403) and the second airbag (402) are all disposed at the lower end of the fixed piston assembly of the shock absorber rod (3) from top to bottom.
7. The intelligent vibration damping system for a feeder according to claim 1, characterized in that: The top cover is symmetrically provided with ventilation channels (501) on both sides. The ventilation channels (501) are connected to the top cover and have threads on the inner wall of the ventilation channels (501). The ventilation channel (501) is open at one end away from the top cover. An adjusting bolt (503) is installed through the threaded opening. The lower end of the ventilation channel (501) has horizontally arranged air inlets (504). The lower end of the ventilation channel (501) is connected to an air storage cylinder (502). The air inlets (504) connect the ventilation channel (501) and the air storage cylinder (502). A sliding piston head (505) is provided inside the air storage cylinder (502).
8. The intelligent vibration damping system for a feeder according to claim 1, characterized in that: The first balancing component includes a first connecting rod (6) axially connected to both sides of the top cover (5), and a second connecting rod (601) axially connected to both sides of the base (101). A connecting block (602) is connected between the adjacent ends of the first connecting rod (6) and the second connecting rod (601). A third connecting rod (603) is axially connected to the outside of the connecting block (602). A slider (604) is provided at the other end of the third connecting rod (603). The third connecting rod (603) is slidably disposed in the slide rail (102) through the slider (604).
9. The intelligent vibration damping system for a feeder according to claim 1, characterized in that: The second balancing component includes a fourth link (701) with a limit ring (7) on both sides. The other end of the fourth link (701) is provided with a slider (604). The fourth link (701) is slidably disposed in the slide rail (102) through the slider (604). The second balancing component and the first balancing component form a cross support structure.
10. The intelligent vibration damping system for a feeder according to claim 1, characterized in that: The slide (102) is provided with a bearing seat (103) at one end away from the base plate (1). The bearing seat (103) has a transverse opening and a push rod (8) is slidably embedded in the bearing seat (103). A third spring (801) is arranged around the outside of the push rod (8).
Citation Information
Patent Citations
Shock absorption base on vibration feeder
CN111473089A