Feeding device suitable for various material working conditions and using method thereof
By combining mechanical position adjustment and vibration parameter adjustment, the problem of poor adaptability of existing feeding devices under various material conditions is solved, realizing efficient and adaptable feeding of a single device for a variety of materials, and reducing equipment complexity and cost.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- NANTONG RAINBOW HEAVY MACHINERIES
- Filing Date
- 2026-04-08
- Publication Date
- 2026-05-12
AI Technical Summary
Existing feeding devices are poorly adaptable to various material conditions and cannot achieve adaptive adjustment, resulting in complex equipment, high cost, and low efficiency.
By employing the synergistic effect of mechanical position adjustment and vibration parameter adjustment, and through a suspended support mechanism and a heavy-duty vibrating feeder, it is possible to achieve adaptive feeding of various materials with different characteristics, including precise adjustment of the trough inclination angle and vibration frequency.
It enables a single device to adapt to feeding multiple materials, reducing equipment costs, improving work efficiency, and minimizing downtime for model changes.
Smart Images
Figure CN122009783A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of feeding technology, specifically to a feeding device applicable to various material working conditions and its usage method. Background Technology
[0002] Feeding devices are a key component in industrial production, used to uniformly and quantitatively transport bulk materials from silos to downstream equipment. They are widely used in industries such as mining, metallurgy, building materials, and chemicals.
[0003] With the diversification of production, a production line often needs to process a variety of materials from different sources and batches. These materials vary significantly in terms of particle size (from large ore blocks to fine powder), moisture content and viscosity (from dry granules to wet mud), density and abrasiveness (from light grains to high-density ore), which places high demands on the adaptability of the feeding device.
[0004] Currently, there are three main types of feeding methods, each with its own limitations: 1) Screw feeder: suitable for powdery and small granular materials, but prone to clogging when handling sticky materials, wears out quickly when handling abrasive materials, and is prone to entanglement and jamming when encountering fibrous impurities; 2) Belt feeder: stable operation and low breakage rate, but the belt is not resistant to the impact of large and sharp materials, is not resistant to high temperatures, and sticky materials are prone to causing return material and deviation; 3) Vibrating feeder: simple structure, high temperature resistance, and can handle large materials, but wet and sticky materials are prone to sticking to the trough and causing blockage, high-frequency vibration can also cause secondary crushing of brittle materials, and dust control is difficult.
[0005] To address the aforementioned problems, existing methods such as adjusting the excitation force and adding anti-clogging structures have been employed. However, these methods are primarily applicable to single-material conditions, and cannot achieve adaptive adjustment when the material type changes frequently. Therefore, existing feeding devices generally suffer from poor adaptability (effectiveness drops drastically beyond the applicable range), sluggish adjustment (requiring manual intervention during shutdown), and system complexity (high investment and large footprint due to multiple devices operating in parallel). Thus, developing a universal feeding device capable of adjusting feeding parameters in real time according to material characteristics has become an urgent problem to be solved. Summary of the Invention
[0006] The technical problem to be solved by the present invention is to provide a feeding device and its usage method applicable to various material working conditions. Through the synergistic effect of mechanical position adjustment and vibration parameter adjustment, a single device can adaptably feed a variety of materials with different characteristics, thereby eliminating the need for downtime for replacement or reliance on multiple devices in parallel, reducing equipment costs and improving work efficiency.
[0007] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: The present invention provides a feeding device applicable to various material working conditions, the innovation of which is: it includes a hopper, a vibrating feeder, a hanging support mechanism, and a conveyor belt; the conveyor belt transports materials horizontally in the left direction, and the hopper is horizontally spaced above the conveyor belt, and a vibrating feeder is horizontally arranged between the conveyor belt and the hopper. The vibrating feeder is oscillatingly connected to the hopper in the vertical and horizontal plane through the hanging support mechanism, and its right end of the trough is connected to the discharge end of the hopper, and its left end of the trough is set in the left direction. The discharge inclination angle of the vibrating feeder trough is controlled by mechanical position adjustment, and the adaptive feeding of various materials with different characteristics is achieved through the synergistic effect of vibration parameter adjustment.
[0008] Preferably, the vibrating feeder is a heavy-duty vibrating feeder, which is driven by an excitation motor. The excitation frequency and amplitude of the vibrating feeder trough are changed by changing the support of the excitation motor, thereby realizing the fine adjustment of the vibration parameters of the vibrating feeder.
[0009] Preferably, the hanging support mechanism bears the entire weight of the vibrating feeder and provides guidance and constraint for adjusting the discharge inclination angle of the vibrating feeder's hopper; the hanging support mechanism includes a hanging beam, a hinge seat, a hinge shaft, connecting arm I, connecting arm II, and vibration damping elements; hinge seats are symmetrically fixed on the front and rear surfaces of the hopper near their discharge ends, and a hanging beam is horizontally arranged at the lower end of each hinge seat. The two hanging beams are symmetrically arranged front and rear, and the middle position of each hanging beam is vertically and laterally rotatably connected to the corresponding hinge seat through a horizontally longitudinally arranged hinge shaft; the left and right ends of the two hanging beams extend horizontally outwards from the... The left and right inclined surfaces of the hopper are respectively positioned with connecting arms I vertically installed at the left hanging points of the two hanging beams and connecting arms II vertically installed at the right hanging points of the two hanging beams. The upper ends of the two connecting arms I and the two connecting arms II are respectively vertically and horizontally hinged to the corresponding hanging points of the hanging beams, and their lower ends are respectively connected to the installation end of the vibrating feeder through vibration damping elements, ensuring that the trough does not interfere with the vertical and horizontal swinging motion of the vibrating feeder. Thus, the vibrating feeder is horizontally and horizontally installed at the discharge end of the hopper using a four-point suspension method, and its trough discharge inclination angle is adjusted with the swinging of the hanging beams.
[0010] Preferably, it also includes a connecting seat, pulley block III, mounting frame III, bracket, wire rope, wire rope winding assembly, and winch assembly; a connecting seat is also fixedly provided between the upper surfaces of the two hanging beams near their left ends, and the vertical and horizontal swinging movements of the two hanging beams are synchronized through the connecting seat, and the connecting seat and the hopper are set up without interference; a mounting frame III is also fixedly provided on the upper surface of the connecting seat, and a pulley block III is vertically and horizontally rotatably provided at the upper end of the mounting frame, and the connecting seat does not interfere with the rotation of the pulley block III; The support is a rectangular frame structure with an open upper surface, and is spaced apart on the left side of the hopper, without interfering with the feeding action of materials through the hopper; a winch assembly is also provided in the middle of the inner bottom surface of the support, and the winch assembly is linked to the pulley block III through a wire rope winding assembly, thereby achieving precise control of the discharge inclination angle of the vibrating feeder through the winding and unwinding action of the wire rope.
[0011] Preferably, the two suspension points on the two suspension beams are symmetrically arranged, and the distance between the two suspension points on each suspension beam is such that the center of gravity of the vibrating feeder corresponds to the position of the hinge shaft, thereby ensuring torque balance and ensuring that the vibrating feeder always maintains a predetermined posture and operates stably under various working conditions.
[0012] Preferably, each of the vibration damping elements adopts a vibration isolation spring, which isolates the transmission of the periodic excitation force generated by the vibrating feeder during operation to the external structure, and buffers the dynamic load during material impact and position adjustment.
[0013] Preferably, the wire rope winding assembly includes a mounting frame I, a pulley block I, a mounting frame II, a pulley block III, and a locking assembly; a mounting frame I is also fixedly provided at the middle position of the right inner side of the bracket, and a pulley block I is also vertically and horizontally rotatably provided at the left end of the mounting frame I, ensuring that the rotation direction of the pulley block I is consistent with the rotation direction of the pulley block III; a mounting frame II is also fixedly provided at the position of the right outer side of the bracket relative to the mounting frame I, and a pulley block is also vertically and horizontally rotatably provided at the right end of the mounting frame II. II. The rotation direction of pulley group II is consistent with the rotation direction of pulley group III, and its upper end face is horizontally coplanar with the upper end face of pulley group I. A locking component is also provided on the right outer side of the bracket below the mounting bracket II. One end of the wire rope is wound around the drum of the winch assembly, and its other end is wound sequentially through pulley group I, pulley group II, and pulley group III before being fixedly connected to the locking component. The discharge inclination angle of the vibrating feeder trough is changed by the winch assembly winding and unwinding the wire rope.
[0014] Preferably, an absolute encoder is also provided on the drum of the winch assembly, and the absolute encoder is used to detect the current actual inclination angle of the vibratory feeder trough in real time.
[0015] The present invention discloses a method for using a feeding device applicable to various material working conditions. Its innovation lies in the following steps: First, by coordinating the winch assembly and the wire rope winding assembly, the spatial position and inclination angle of the vibrating feeder are changed, fundamentally altering the flow state of the material within the vibrating feeder trough to accommodate materials with significantly different flow characteristics. Then, by fine-tuning the excitation frequency and amplitude of the vibrating feeder, the movement speed of the material within the vibrating feeder trough is optimized, and the feeding rate is controlled to accommodate materials with similar density and particle size but slightly different flow characteristics. Specifically: (1) When the material is dry, large-sized ore with a particle size of 50-300 mm and a moisture content of <3%, (1.1) First, by cooperating with the winch assembly and the wire rope winding assembly, the inclination angle of the vibrating feeder trough is adjusted to 0°~3°, and then a small inclination angle or horizontal arrangement is adopted to avoid large pieces of material from sliding down too fast due to gravity and impacting downstream equipment. (1.2) Then, the excitation frequency of the vibrating feeder is finely adjusted to 15~20Hz and its amplitude is finely adjusted to 5~8mm, thereby using low frequency and high amplitude to provide sufficient projection height; (1.3) Through the above two-stage adjustment mechanism of coarse adjustment + fine adjustment, the feed rate fluctuation is kept ≤ ±5%, the material flow rate is 0.2~0.4m / s, and there is no accumulation or jamming. (2) When the material is a moist, sticky material with a particle size of 0~20mm and a moisture content of 8~15%, (2.1) First, by cooperating with the winch assembly and the wire rope winding assembly, the inclination angle of the vibrating feeder trough is adjusted to 8°~12°. Then, a large inclination angle is adopted to use gravity-assisted unloading to overcome the material adhesion force. (2.2) Then, the excitation frequency of the vibrating feeder is finely adjusted to 30~40Hz and its amplitude is finely adjusted to 2~3mm. Then, medium-high frequency low amplitude vibration is used to destroy the adhesion between the material and the bottom of the tank. (2.3) Through the above two-stage adjustment mechanism of coarse adjustment + fine adjustment, the bottom of the tank is free from material accumulation and adhesion, the current fluctuation is ≤±10%, and there is no interruption of current flow. (3) When the material is a fragile material with a particle size of 10~80mm and a moisture content of <5%, (3.1) First, by cooperating with the winch assembly and the wire rope winding assembly, the inclination angle of the vibrating feeder trough is adjusted to 2°~5°, and then a small inclination angle is adopted to reduce the collision speed of materials and reduce breakage. (3.2) Then, the excitation frequency of the vibrating feeder is finely adjusted to 15~20Hz and its amplitude is finely adjusted to 2~4mm, so as to adopt low frequency and low amplitude, and gentle feeding. (3.3) Through the above two-stage adjustment mechanism of coarse adjustment + fine adjustment, the crushing rate is ≤3% and the feed rate fluctuation is ≤±3%; (4) When the material is a fine powder with a particle size <1mm and a moisture content <5%, (4.1) First, by cooperating with the winch assembly and the wire rope winding assembly, the inclination angle of the vibrating feeder trough is adjusted to 3°~6°, and then a medium inclination angle is adopted to ensure fluidity while controlling dust. (4.2) Then, the excitation frequency of the vibrating feeder is finely adjusted to 40~45Hz and its amplitude is finely adjusted to 1~2mm. In this way, high frequency and low amplitude are adopted to prevent material suspension and dust from flying. (4.3) Through the above two-stage adjustment mechanism of coarse adjustment + fine adjustment, the dust concentration is made ≤5mg / m³. 3 The feed rate fluctuation is ≤±2%.
[0016] The beneficial effects of this invention are: (1) Through the synergistic effect of mechanical position adjustment and vibration parameter adjustment, the present invention can realize the adaptive feeding of a single device to a variety of materials with different characteristics, thereby eliminating the need to stop the machine to change the type or rely on multiple devices in parallel, reducing equipment costs and improving work efficiency; (2) By setting up vibration damping elements, the present invention can not only isolate the transmission of the periodic excitation force generated by the vibrating feeder during operation to the external structure, but also buffer the impact of materials and the dynamic load during position adjustment; (3) The hanging beam of the present invention can swing around the hinge axis within a certain angle range. Then, through the steel wire rope winding assembly, the inclination angle of the material trough of the vibrating feeder can be precisely adjusted, thereby ensuring that a single device can adapt to feeding a variety of materials with different characteristics. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 This is a schematic diagram of the structure of a feeding device applicable to various material working conditions according to the present invention.
[0019] Figure 2 for Figure 1 A schematic diagram of the structure of the central suspension support mechanism.
[0020] Figure 3 for Figure 1 A schematic diagram of the structure of the steel wire rope winding assembly.
[0021] Figure 4 This is a schematic diagram of the present invention at a working angle of 15°.
[0022] Among them, 1-hopper; 2-suspension support mechanism; 3-vibrating feeder; 4-support; 5-wire rope winding assembly; 6-winner assembly; 7-conveyor belt; 21-suspension beam; 22-hinged seat; 23-hinged shaft; 24-connecting arm I; 25-connecting arm II; 26-vibration damping element; 27-connecting seat; 28-pulley block III; 29-mounting frame III; 51-mounting frame I; 52-pulley block I; 53-mounting frame II; 54-pulley block II; 55-wire rope; 56-locking assembly. Detailed Implementation
[0023] The technical solution of the present invention will be clearly and completely described below through specific embodiments.
[0024] The present invention provides a feeding device suitable for various material handling conditions, comprising a hopper 1, a vibrating feeder 3, a suspension support mechanism 2, and a conveyor belt 7; as shown in the figure. Figures 1-4 As shown, the conveyor belt 7 transports materials horizontally to the left, and the hopper 1 is horizontally spaced above the conveyor belt 7. A vibrating feeder 3 is also horizontally positioned between the conveyor belt 7 and the hopper 1. The vibrating feeder 3 is connected to the hopper 1 in a vertical and horizontal plane by a hanging support mechanism 2. The right end of its trough is connected to the discharge end of the hopper 1, and the left end of its trough is set to the left. The discharge angle of the vibrating feeder 3 is controlled by mechanical position adjustment, and the adaptive feeding of various materials with different characteristics is achieved through the synergistic effect of vibration parameter adjustment.
[0025] Among them, the vibrating feeder 3 adopts a heavy-duty vibrating feeder 3, which is driven by an excitation motor. The excitation frequency and amplitude of the vibrating feeder 3 trough are changed by the variable support 4 of the excitation motor, thereby realizing the fine adjustment of the vibration parameters of the vibrating feeder 3.
[0026] The suspension support mechanism 2 of this invention bears the entire weight of the vibrating feeder 3 and provides guidance and constraint for adjusting the discharge angle of the vibrating feeder 3's trough; wherein, the suspension support mechanism 2 includes a suspension beam 21, a hinge seat 22, a hinge shaft 23, a connecting arm I 24, a connecting arm II 25, and a vibration damping element 26; as shown Figures 1-4As shown, hinge seats 22 are symmetrically fixed on the front and rear surfaces of the hopper 1 near its discharge end. A hanging beam 21 is horizontally mounted at the lower end of each hinge seat 22. The two hanging beams 21 are symmetrically arranged, and the middle position of each hanging beam 21 is vertically and laterally rotatably connected to the corresponding hinge seat 22 via a horizontally longitudinally mounted hinge shaft 23. The left and right ends of the two hanging beams 21 extend horizontally to the corresponding positions on the left and right slopes of the hopper 1. A connecting arm I 24 is vertically mounted at the left hanging point of each of the two hanging beams 21. A connecting arm II 25 is vertically provided at the right suspension point of the suspension beam 21; the upper ends of the two connecting arms I 24 and the two connecting arms II 25 are respectively vertically and horizontally hinged to the corresponding suspension points of the corresponding suspension beam 21, and their lower ends are respectively connected to the installation end of the vibrating feeder 3 through the vibration damping element 26, so as to ensure that the material trough does not interfere with the vertical and horizontal swinging action of the vibrating feeder 3, thereby enabling the vibrating feeder 3 to be horizontally and horizontally set at the discharge end of the hopper 1 in a four-point suspension manner, and adjusting the discharge angle of its material trough with the swing of the suspension beam 21.
[0027] The present invention also includes a connecting seat 27 fixedly provided between the upper surfaces of the two hanging beams 21 near their left ends, and the vertical and lateral swinging movements of the two hanging beams 21 are synchronized through the connecting seat 27, ensuring that the connecting seat 27 and the hopper 1 are not interfered with each other; for example Figures 1-4 As shown, a mounting bracket Ⅲ29 is fixedly provided on the upper surface of the connecting seat 27, and a pulley group Ⅲ28 is vertically and horizontally rotatably provided at the upper end of the mounting bracket, ensuring that the connecting seat 27 does not interfere with the rotation of the pulley group Ⅲ28; the bracket 4 is a rectangular frame structure with an open upper surface, and is spaced on the left side of the hopper 1, and does not interfere with the feeding action of the material through the hopper 1; a winch assembly 6 is also provided in the middle of the inner bottom surface of the bracket 4, and the winch assembly 6 is linked with the pulley group Ⅲ28 through the wire rope 55 and the wire rope winding assembly 5, thereby realizing the precise control of the discharge inclination angle of the vibrating feeder 3 through the winding and unwinding action of the wire rope 55.
[0028] The two suspension points on the two suspension beams 21 are symmetrically arranged, and the distance between the two suspension points on each suspension beam 21 must ensure that the center of gravity of the vibrating feeder 3 corresponds to the setting position of the hinge shaft 23, thereby ensuring torque balance and ensuring that the vibrating feeder 3 always maintains the predetermined posture and operates stably under various working conditions.
[0029] like Figures 1-4 As shown, each vibration damping element 26 uses a vibration isolation spring, which isolates the periodic excitation force generated by the vibrating feeder 3 during operation from being transmitted to the external structure, and also buffers the dynamic load during material impact and position adjustment.
[0030] The wire rope winding assembly 5 of the present invention includes a mounting frame I 51, a pulley block I 52, a mounting frame II 53, a pulley block II 54, and a locking assembly 56; as shown Figures 1-4 As shown, a mounting bracket I51 is fixedly installed at the middle position of the right inner side of the bracket 4, and a pulley group I52 is vertically and horizontally rotatably installed at the left end of the mounting bracket I51, ensuring that the rotation direction of the pulley group I52 is consistent with the rotation direction of the pulley group III28; a mounting bracket II53 is fixedly installed at the position of the right outer side of the bracket 4 relative to the mounting bracket I51, and a pulley group II54 is vertically and horizontally rotatably installed at the right end of the mounting bracket II53, the rotation direction of the pulley group II54 being consistent with the rotation direction of the pulley group III28. The rotation direction is consistent with that of the bracket 4, and its upper end face is set horizontally and coplanarly with the upper end face of the pulley block I 52. A locking component 56 is also provided on the right outer side of the bracket 4 below the mounting frame II 53. One end of the wire rope 55 is wound around the drum of the winch assembly 6, and the other end is wound around the pulley block I 52, pulley block II 54, and pulley block III 28 in sequence before being fixedly connected to the locking component 56. The wire rope 55 is then wound and released by the winch assembly 6 to change the discharge inclination angle of the vibrating feeder 3 trough.
[0031] like Figures 1-4 As shown, an absolute encoder is also provided on the drum of the winch assembly 6, and the actual tilt angle of the trough of the vibrating feeder 3 is detected in real time by the absolute encoder.
[0032] The present invention provides a method for using a feeding device applicable to various material working conditions, such as... Figures 1-4 As shown, the process includes the following steps: First, the spatial position and inclination angle of the vibrating feeder 3 are changed by the cooperation of the winch assembly 6 and the wire rope winding assembly 5, fundamentally altering the flow state of the material within the feed trough of the vibrating feeder 3 to accommodate materials with significantly different flow characteristics. Then, by fine-tuning the excitation frequency and amplitude of the vibrating feeder 3, the movement speed of the material within the feed trough of the vibrating feeder 3 is optimized and the feed rate is controlled to accommodate materials with similar density and particle size but slightly different flow characteristics. Specifically: (1) When the material is dry, large-sized ore with a particle size of 50-300 mm and a moisture content of <3%, (1.1) First, by cooperating with the winch assembly 6 and the wire rope winding assembly 5, the inclination angle of the trough of the vibrating feeder 3 is adjusted to 0°~3°, and then a small inclination angle or horizontal arrangement is adopted to avoid large pieces of material from sliding down too fast due to gravity and impacting downstream equipment. (1.2) Then the excitation frequency of the vibrating feeder 3 is finely adjusted to 15~20Hz and its amplitude is finely adjusted to 5~8mm, thereby adopting low frequency and high amplitude to provide sufficient projection height; (1.3) Through the above two-stage adjustment mechanism of coarse adjustment + fine adjustment, the feed rate fluctuation is ≤ ±5%, the material flow rate is 0.2~0.4m / s, and the accumulation and jamming phenomena are ensured.
[0033] (2) When the material is a moist, sticky material with a particle size of 0~20mm and a moisture content of 8~15%, (2.1) First, by cooperating with the winch assembly 6 and the wire rope winding assembly 5, the inclination angle of the trough of the vibrating feeder 3 is adjusted to 8°~12°. Then, a large inclination angle is adopted to use gravity to assist unloading and overcome the material adhesion force. (2.2) Then the excitation frequency of the vibrating feeder 3 is finely adjusted to 30~40Hz and its amplitude is finely adjusted to 2~3mm. Then, medium-high frequency low amplitude vibration is used to destroy the adhesion between the material and the bottom of the tank. (2.3) Through the above two-stage adjustment mechanism of coarse adjustment + fine adjustment, the bottom of the tank is free from material accumulation and adhesion, the current fluctuation is ≤±10%, and there is no interruption of current.
[0034] (3) When the material is a fragile material with a particle size of 10~80mm and a moisture content of <5%, (3.1) First, by cooperating with the winch assembly 6 and the wire rope winding assembly 5, the inclination angle of the trough of the vibrating feeder 3 is adjusted to 2°~5°, and then a small inclination angle is adopted to reduce the collision speed of materials and reduce breakage. (3.2) Then, the excitation frequency of the vibrating feeder 3 is finely adjusted to 15~20Hz, and its amplitude is finely adjusted to 2~4mm, so as to adopt low frequency and low amplitude, and gentle feeding. (3.3) Through the above two-stage adjustment mechanism of coarse adjustment + fine adjustment, the crushing rate is ≤3% and the feed rate fluctuation is ≤±3%.
[0035] (4) When the material is a fine powder with a particle size <1mm and a moisture content <5%, (4.1) First, by cooperating with the winch assembly 6 and the wire rope winding assembly 5, the inclination angle of the trough of the vibrating feeder 3 is adjusted to 3°~6°, and then a medium inclination angle is adopted to ensure fluidity while controlling dust. (4.2) Then the excitation frequency of the vibrating feeder 3 is finely adjusted to 40~45Hz and its amplitude is finely adjusted to 1~2mm. High frequency and low amplitude are used to prevent material suspension and dust from flying. (4.3) Through the above two-stage adjustment mechanism of coarse adjustment + fine adjustment, the dust concentration is made ≤5mg / m³. 3 The feed rate fluctuation is ≤±2%.
[0036] The beneficial effects of this invention are: (1) Through the synergistic effect of mechanical position adjustment and vibration parameter adjustment, the present invention can realize the adaptive feeding of a single device to a variety of materials with different characteristics, thereby eliminating the need to stop the machine to change the type or rely on multiple devices in parallel, reducing equipment costs and improving work efficiency; (2) By setting the vibration damping element 26, the present invention can not only isolate the transmission of the periodic excitation force generated by the vibrating feeder 3 during operation to the external structure, but also buffer the dynamic load during material impact and position adjustment. (3) The hanging beam 21 of the present invention can swing around the hinge shaft 23 within a certain angle range. Then, through the coordination of the wire rope 55 of the wire rope winding assembly 5, the inclination angle of the material trough of the vibrating feeder 3 can be precisely adjusted, thereby ensuring that a single device can adapt to feeding a variety of materials with different characteristics.
[0037] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, all modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope of the present invention. The technical content for which protection is sought in the present invention has been fully described in the technical requirements.
Claims
1. A feeding device suitable for various material working conditions, characterized in that: The system includes a hopper, a vibrating feeder, a suspension support mechanism, and a conveyor belt. The conveyor belt transports materials horizontally to the left, and the hoppers are horizontally spaced above the conveyor belt. A vibrating feeder is also horizontally positioned between the conveyor belt and the hoppers. The vibrating feeder is connected to the hopper via the suspension support mechanism in a vertical and horizontal plane, and its right end of its feed trough is connected to the discharge end of the hopper. Its left end of the feed trough faces to the left. The discharge angle of the vibrating feeder is controlled by mechanical position adjustment, and through the synergistic effect of vibration parameter adjustment, it can achieve adaptive feeding of various materials with different characteristics.
2. The feeding device applicable to various material working conditions according to claim 1, characterized in that: The vibrating feeder is a heavy-duty vibrating feeder, which is driven by an excitation motor. The excitation frequency and amplitude of the vibrating feeder trough are changed by changing the support of the excitation motor, thereby realizing the fine adjustment of the vibration parameters of the vibrating feeder.
3. The feeding device applicable to various material working conditions according to claim 1, characterized in that: The hanging support mechanism bears the entire weight of the vibrating feeder and provides guidance and constraint for adjusting the discharge angle of the vibrating feeder's hopper. The hanging support mechanism includes a hanging beam, a hinge seat, a hinge shaft, connecting arm I, connecting arm II, and vibration damping elements. Hinges are symmetrically fixed to the front and rear surfaces of the hopper near their discharge ends, and a hanging beam is horizontally positioned at the lower end of each hinge seat. The two hanging beams are symmetrically arranged front and rear, and the middle position of each hanging beam is vertically and laterally rotatably connected to the corresponding hinge seat via a horizontally longitudinally positioned hinge shaft. Both ends of the two hanging beams extend horizontally outwards from the hopper. The left and right oblique faces are respectively positioned, and a connecting arm I is vertically provided at the left hanging point of the two hanging beams, and a connecting arm II is vertically provided at the right hanging point of the two hanging beams; the upper ends of the two connecting arms I and the two connecting arms II are respectively vertically and horizontally hinged to the corresponding hanging point of the corresponding hanging beam, and their lower ends are respectively connected to the installation end of the vibrating feeder through vibration damping elements, so as to ensure that the material trough does not interfere with the vertical and horizontal swinging action of the vibrating feeder, thereby enabling the vibrating feeder to be horizontally and horizontally set at the discharge end of the hopper in a four-point suspension manner, and adjusting the discharge inclination angle of the material trough with the swinging of the hanging beams.
4. The feeding device applicable to various material working conditions according to claim 1, characterized in that: It also includes a connecting seat, pulley block III, mounting frame III, bracket, wire rope, wire rope winding assembly, and winch assembly; a connecting seat is fixedly provided between the upper surfaces of the two hanging beams near their left ends, and the vertical and horizontal swinging movements of the two hanging beams are synchronized through the connecting seat, ensuring that the connecting seat and the hopper do not interfere with each other; a mounting frame III is also fixedly provided on the upper surface of the connecting seat, and a pulley block III is vertically and horizontally rotatably provided at the upper end of the mounting frame, ensuring that the connecting seat does not interfere with the rotation of the pulley block III; The support is a rectangular frame structure with an open upper surface, and is spaced apart on the left side of the hopper, without interfering with the feeding action of materials through the hopper; a winch assembly is also provided in the middle of the inner bottom surface of the support, and the winch assembly is linked to the pulley block III through a wire rope winding assembly, thereby achieving precise control of the discharge inclination angle of the vibrating feeder through the winding and unwinding action of the wire rope.
5. A feeding device applicable to various material working conditions according to claim 4, characterized in that: The two suspension points on the two suspension beams are symmetrically arranged, and the distance between the two suspension points on each suspension beam must ensure that the center of gravity of the vibrating feeder corresponds to the setting position of the hinge shaft, thereby ensuring torque balance and ensuring that the vibrating feeder always maintains the predetermined posture and operates stably under various working conditions.
6. A feeding device applicable to various material working conditions according to claim 4, characterized in that: Each of the vibration damping elements uses a vibration isolation spring, which isolates the periodic excitation force generated by the vibratory feeder during operation from being transmitted to the external structure, and also buffers the dynamic load during material impact and position adjustment.
7. A feeding device applicable to various material working conditions according to claim 4, characterized in that: The wire rope winding assembly includes a mounting frame I, a pulley block I, a mounting frame II, a pulley block III, and a locking assembly. Mounting frame I is fixedly installed at the middle position of the right inner side of the support, and pulley block I is vertically and laterally rotatable at the left end of mounting frame I, ensuring that the rotation direction of pulley block I is consistent with the rotation direction of pulley block III. Mounting frame II is fixedly installed on the right outer side of the support relative to mounting frame I, and pulley block II is vertically and laterally rotatable at the right end of mounting frame II. The rotation direction of pulley group II is the same as that of pulley group III, and its upper end face is horizontally coplanar with the upper end face of pulley group I. A locking component is also provided on the right outer side of the bracket below the mounting frame II. One end of the wire rope is wound around the drum of the winch assembly, and the other end is wound around pulley group I, pulley group II, and pulley group III in sequence before being fixedly connected to the locking component. The discharge angle of the vibrating feeder trough is changed by the winch assembly winding and unwinding the wire rope.
8. A feeding device applicable to various material working conditions according to claim 7, characterized in that: An absolute encoder is also provided on the drum of the winch assembly, and the actual tilt angle of the vibratory feeder trough is detected in real time by the absolute encoder.
9. The method of using a feeding device applicable to multiple material working conditions according to claim 7, characterized in that... Includes the following steps: First, the spatial position and inclination angle of the vibrating feeder are changed by coordinating the winch assembly and the wire rope winding assembly, fundamentally altering the flow state of the material within the feeder trough to accommodate materials with significantly different flow characteristics. Then, by fine-tuning the excitation frequency and amplitude of the vibrating feeder, the material's movement speed within the feeder trough is optimized, and the feed rate is controlled to accommodate materials with similar density and particle size but slightly different flow characteristics. Specifically: (1) When the material is dry, large-sized ore with a particle size of 50-300 mm and a moisture content of <3%, (1.1) First, by cooperating with the winch assembly and the wire rope winding assembly, the inclination angle of the vibrating feeder trough is adjusted to 0°~3°, and then a small inclination angle or horizontal arrangement is adopted to avoid large pieces of material from sliding down too fast due to gravity and impacting downstream equipment. (1.2) Then, the excitation frequency of the vibrating feeder is finely adjusted to 15~20Hz and its amplitude is finely adjusted to 5~8mm, thereby using low frequency and high amplitude to provide sufficient projection height; (1.3) Through the above two-stage adjustment mechanism of coarse adjustment + fine adjustment, the feed rate fluctuation is kept ≤ ±5%, the material flow rate is 0.2~0.4m / s, and there is no accumulation or jamming. (2) When the material is a moist, sticky material with a particle size of 0~20mm and a moisture content of 8~15%, (2.1) First, by cooperating with the winch assembly and the wire rope winding assembly, the inclination angle of the vibrating feeder trough is adjusted to 8°~12°. Then, a large inclination angle is adopted to use gravity-assisted unloading to overcome the material adhesion force. (2.2) Then, the excitation frequency of the vibrating feeder is finely adjusted to 30~40Hz and its amplitude is finely adjusted to 2~3mm. Then, medium-high frequency low amplitude vibration is used to destroy the adhesion between the material and the bottom of the tank. (2.3) Through the above two-stage adjustment mechanism of coarse adjustment + fine adjustment, the bottom of the tank is free from material accumulation and adhesion, the current fluctuation is ≤±10%, and there is no interruption of current flow. (3) When the material is a fragile material with a particle size of 10~80mm and a moisture content of <5%, (3.1) First, by cooperating with the winch assembly and the wire rope winding assembly, the inclination angle of the vibrating feeder trough is adjusted to 2°~5°, and then a small inclination angle is adopted to reduce the collision speed of materials and reduce breakage. (3.2) Then, the excitation frequency of the vibrating feeder is finely adjusted to 15~20Hz and its amplitude is finely adjusted to 2~4mm, so as to adopt low frequency and low amplitude, and gentle feeding. (3.3) Through the above two-stage adjustment mechanism of coarse adjustment + fine adjustment, the crushing rate is ≤3% and the feed rate fluctuation is ≤±3%; (4) When the material is a fine powder with a particle size <1mm and a moisture content <5%, (4.1) First, by cooperating with the winch assembly and the wire rope winding assembly, the inclination angle of the vibrating feeder trough is adjusted to 3°~6°, and then a medium inclination angle is adopted to ensure fluidity while controlling dust. (4.2) Then, the excitation frequency of the vibrating feeder is finely adjusted to 40~45Hz and its amplitude is finely adjusted to 1~2mm. In this way, high frequency and low amplitude are adopted to prevent material suspension and dust from flying. (4.3) Through the above two-stage adjustment mechanism of coarse adjustment + fine adjustment, the dust concentration is made ≤5mg / m³. 3 The feed rate fluctuation is ≤±2%.