Efficient and safe funnel discharging device

Abstract

The invention discloses an efficient and safe funnel discharging device, and relates to the technical field of mine electromechanical equipment. The discharging hopper comprises a discharging hopper frame body and a funnel discharging hopper, the discharging hopper frame body and the funnel discharging hopper are elastically connected through an elastic connecting piece, vertical limiting mechanisms are arranged on the inner walls of the two sides of the funnel discharging hopper, baffles are vertically and movably inserted into the vertical limiting mechanisms, and the baffles are made of steel plates. According to the invention, air cylinder driving is matched with the steel wire rope pulley block, so that non-contact remote operation is realized, the direct safety threat of funnel ore flushing to operators is fundamentally avoided, and the labor intensity is greatly reduced; the high-strength steel plate is used for replacing a wood plate to serve as the baffle, the impact resistance and the abrasion resistance of the baffle are remarkably improved, and the problem that the baffle is prone to being stuck and damaged is solved; and through the combination of elastic connection and the vibration motor, smooth discharging is ensured, and material blockage and equipment vibration are reduced.

Description

Technical Field

[0001] This invention relates to the field of mining machinery and equipment technology, specifically to a highly efficient and safe hopper unloading device. Background Technology

[0002] In underground mining operations, the transfer of materials via ore passes or ore discharge funnels is a crucial step. Currently, Panlong Mining generally uses a manually operated funnel unloading method. Specifically, operators must be below the funnel and manually manipulate wooden baffles to control the discharge of materials.

[0003] This traditional unloading method has many drawbacks: First, the wooden planks used as baffles have low strength and are prone to deformation, damage, or even breakage under long-term impact and friction from the ore, causing the baffles to jam and fail, affecting normal production. Second, the entire unloading process relies entirely on manual labor, which not only involves extremely high labor intensity and low work efficiency, but also requires operators to work right next to the hopper outlet. When a large amount of ore pours down under gravity, the fragile wooden plank baffles cannot effectively stop it, posing a fatal threat to the personal safety of the operators and resulting in an extremely high risk of accidents.

[0004] Therefore, there is an urgent need for a funnel unloading device that can fundamentally improve operational safety, reduce labor intensity, and increase unloading efficiency.

[0005] Therefore, a highly efficient and safe funnel unloading device is proposed. Summary of the Invention

[0006] The purpose of this invention is to provide a highly efficient and safe hopper unloading device to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention specifically adopts the following technical solution:

[0008] A highly efficient and safe funnel unloading device includes a hopper frame and a funnel unloading hopper. The hopper frame and the funnel unloading hopper are elastically connected by an elastic connector. Vertical limiting mechanisms are provided on the inner walls of both sides of the funnel unloading hopper. A baffle made of steel plate is vertically movably inserted into the vertical limiting mechanism. Two sets of limiting pulleys are installed on the hopper frame via a gantry frame. An air cylinder is fixedly installed on the hopper frame. A wire rope body is fixedly connected to the top surface of the baffle. The wire rope body passes around the limiting pulleys and its end is fixedly connected to the air cylinder via a wire rope connector at the end of the air cylinder.

[0009] Furthermore, the funnel discharge hopper is installed at an angle on the discharge hopper frame via an elastic connector, and several sets of vibration motors are provided on the bottom surface of the funnel discharge hopper.

[0010] Furthermore, the elastic connector includes an upper connecting seat fixedly installed on the outer wall of the hopper discharge hopper, a telescopic rod fixedly connected to the bottom surface of the upper connecting seat, a lower connecting seat fixedly connected to the bottom end of the telescopic rod, the lower connecting seat fixedly mounted on the top surface of the discharge hopper frame, and a return spring sleeved on the surface of the telescopic rod, with the two ends of the return spring fixedly connected to the upper connecting seat and the lower connecting seat respectively.

[0011] Furthermore, the vertical limiting mechanism includes a limiting shell and a limiting vertical plate fixedly installed on the inner walls of both sides of the funnel discharge hopper. A sliding channel is formed between the interior of the limiting shell and the limiting vertical plate, and the two ends of the baffle are movably inserted into the sliding channel.

[0012] Furthermore, the surface of the baffle and at both ends thereof are welded with limiting protrusions, which are inside the limiting shell. When the air cylinder moves in extension and retraction, the baffle moves vertically through the steel wire rope body. The limiting protrusions fit against the inner top surface of the limiting shell to limit the vertical movement of the baffle.

[0013] Furthermore, the limiting pulley includes two sets of pulley frames fixedly installed on the top inner side of the gantry frame. The two side walls of the pulley frame are rotatably connected to a rotating shaft, and a pulley is fixedly sleeved in the middle of the rotating shaft. The surface of the pulley is provided with an arc-shaped groove.

[0014] Furthermore, a counterweight is fixedly installed on the surface of the baffle to increase the overall weight of the baffle. When the air cylinder extends, its wire rope body is in a loose state. Under the gravity of the baffle and the counterweight, the baffle moves vertically downward to close the port of the funnel discharge hopper.

[0015] Furthermore, the air cylinder is connected to an external pneumatic control system to control the extension and retraction of the air cylinder, which is used to control the vertical opening and closing of the baffle, and to open and close the port of the funnel discharge hopper to control the discharge.

[0016] Furthermore, when the air cylinder retracts and moves, the controller activates several sets of vibration motors.

[0017] The beneficial effects of this invention are as follows:

[0018] By employing a pneumatic cylinder drive system in conjunction with a wire rope pulley system, non-contact remote operation is achieved, fundamentally eliminating the direct safety threat to operators posed by hopper-driven ore flushing and significantly reducing labor intensity. Using high-strength steel plates instead of wooden planks as baffles significantly enhances their impact and wear resistance, solving the problems of baffle jamming and easy damage. The combination of elastic connections and a vibrating motor ensures smooth unloading, reducing material blockage and equipment vibration. The use of counterweights to achieve gravity-driven self-closing of the baffles, along with the linkage control between the pneumatic cylinder and the vibrating motor, makes the device more reliable, efficient, and energy-saving. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0020] Figure 2 This is a side view of the present invention;

[0021] Figure 3 This is a schematic diagram of the funnel discharge hopper of the present invention;

[0022] Figure 4 This is a schematic diagram of the vertical limiting mechanism of the present invention;

[0023] Figure 5 This is a schematic diagram of the baffle of the present invention;

[0024] Figure 6 This is a schematic diagram of the air cylinder drive structure of the present invention;

[0025] Reference numerals in the attached drawings: 1. Unloading hopper frame; 11. Gantry frame; 2. Funnel unloading hopper; 3. Elastic connector; 301. Upper connecting seat; 302. Telescopic rod; 303. Lower connecting seat; 304. Return spring; 4. Vibration motor; 5. Vertical limiting mechanism; 501. Limiting shell; 502. Limiting vertical plate; 503. Sliding channel; 6. Baffle; 61. Limiting protrusion; 62. Counterweight; 7. Air cylinder; 71. Wire rope connector; 8. Wire rope body; 9. Limiting pulley; 901. Pulley frame; 902. Rotating shaft; 903. Pulley. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0028] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0029] In the description of the embodiments of the present invention, it should be noted that the terms "inner", "outer", "upper", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present 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 limiting the present invention.

[0030] like Figures 1 to 6 As shown, a high-efficiency and safe hopper unloading device includes a hopper frame 1 and a hopper unloading hopper 2;

[0031] The unloading hopper frame 1 and the funnel unloading hopper 2 are elastically connected by an elastic connector 3; the funnel unloading hopper 2 is installed at an angle on the unloading hopper frame 1 via the elastic connector 3, and several sets of vibration motors 4 are provided on the bottom surface of the funnel unloading hopper 2.

[0032] It should be noted that the inclined installation utilizes the natural gravity of the material for discharge, while the excitation force generated by the vibration motor 4 acts on the funnel discharge hopper 2, effectively breaking the static friction and arching effect of the material. More specifically, through the synergy of the two, on the one hand, the smoothness and thoroughness of the discharge are ensured, and on the other hand, the vibration is mainly limited to the funnel discharge hopper 2 itself through the buffer of the elastic connector 3, which greatly reduces the structural impact fatigue on the overall support and extends the service life of the equipment.

[0033] like Figure 3 and Figure 4 As shown, the elastic connector 3 includes an upper connecting seat 301 fixedly installed on the outer wall of the funnel discharge hopper 2. A telescopic rod 302 is fixedly connected to the bottom surface of the upper connecting seat 301. A lower connecting seat 303 is fixedly connected to the bottom end of the telescopic rod 302. The lower connecting seat 303 is fixed on the top surface of the discharge hopper frame 1. A return spring 304 is sleeved on the surface of the telescopic rod 302. The two ends of the return spring 304 are fixedly connected to the upper connecting seat 301 and the lower connecting seat 303 respectively.

[0034] It should be noted that when the vibration motor 4 is working or is impacted by materials, the vibration energy generated by the funnel discharge hopper 2 is absorbed and released by the reset spring 304, while the telescopic rod 302 ensures the linearity of the movement trajectory; at the same time, this elastic suspension method gives the discharge hopper a certain adaptive swinging ability.

[0035] The inner walls on both sides of the funnel discharge hopper 2 are provided with vertical limiting mechanisms 5. A baffle 6 is vertically and movably inserted into the vertical limiting mechanism 5. The baffle 6 is made of steel plate with a thickness of 14mm.

[0036] like Figure 4 and Figure 5As shown, specifically, the vertical limiting mechanism 5 includes a limiting shell 501 and a limiting vertical plate 502 fixedly installed on the inner walls of both sides of the funnel discharge hopper 2. A sliding channel 503 is formed between the interior of the limiting shell 501 and the limiting vertical plate 502. The two ends of the baffle 6 are movably inserted into the sliding channel 503.

[0037] It should be noted that the sliding channel 503 provides rigid constraints on both sides of the steel plate baffle 6, ensuring that it moves strictly in the vertical direction, effectively resisting the lateral impact force when the ore is poured, and preventing the baffle 6 from tilting and getting stuck; at the same time, through the combination of the limiting shell 501 and the limiting vertical plate 502, precise guidance is achieved while also protecting the sliding surface from being damaged by falling objects, thus ensuring its long-term operational reliability.

[0038] Limiting protrusions 61 are welded to the surface of the baffle 6 at both ends. The limiting protrusions 61 are inside the limiting shell 501. When the air cylinder 7 moves in extension and retraction, the baffle 6 is pulled vertically by the wire rope body 8. The limiting protrusions 61 are in contact with the inner top surface of the limiting shell 501 to limit the vertical movement of the baffle 6.

[0039] It should be noted that the mechanical contact between the limiting protrusion 61 and the top of the limiting shell 501 sets the maximum safe position for the baffle 6 to open, thus forming a hard limit to prevent overload and improving the safety of the entire unloading process.

[0040] like Figure 5 As shown, in practical applications, a counterweight 62 is fixedly installed on the surface of the baffle 6 to increase the overall weight of the baffle 6. When the air cylinder 7 extends, its wire rope body 8 is in a loose state. Under the gravity of the baffle 6 and the counterweight 62, the baffle 6 moves vertically downward to close the port of the funnel discharge hopper 2.

[0041] It should be noted that the counterweight 62 on the outer surface of the baffle 6 significantly increases the downward potential energy of the baffle 6, enabling it to close quickly under the action of gravity, ensuring the immediacy and tightness of the seal. At the same time, through cooperation with the air cylinder 7, it achieves active opening and gravity-driven closing without the need to provide closing force. Moreover, in the event of power failure or gas failure, the baffle 6 can automatically close in an emergency by gravity, providing critical safety redundancy and producing an unexpected effect of enhancing the inherent safety of the system.

[0042] Two sets of limiting pulleys 9 are installed on the unloading hopper frame 1 via the gantry frame 11. An air cylinder 7 is fixedly installed on the unloading hopper frame 1. A wire rope body 8 is fixedly connected to the top surface of the baffle 6. The wire rope body 8 passes around the limiting pulleys 9 and its end is fixedly connected to the air cylinder 7 via the wire rope connector 71 at the end of the air cylinder 7.

[0043] like Figure 2 and Figure 6As shown, the limiting pulley 9 includes two sets of pulley frames 901 fixedly installed on the top inner side of the gantry frame 11. The two side walls of the pulley frame 901 are rotatably connected to the rotating shaft 902. The middle part of the rotating shaft 902 is fixedly fitted with a pulley 903. The surface of the pulley 903 is provided with an arc-shaped groove.

[0044] It should be noted that the arc-shaped groove on the surface of the pulley 903 ensures that the wire rope body 8 is always on the controlled transmission path, preventing it from derailing; at the same time, through the low-friction rotating pair formed by the rotating shaft 902 and the pulley frame 901, the output force of the air cylinder 7 is efficiently and with low loss transmitted to the baffle 6 through the wire rope body 8, making its operation stable.

[0045] In some embodiments, the elastic connector 3 may also take the form of an airbag or a hydraulic damper.

[0046] In practical applications, the air cylinder 7 is connected to an external pneumatic control system to control the extension and retraction of the air cylinder 7, which is used to control the vertical opening and closing of the baffle 6, and to open and close the port of the funnel discharge hopper 2 to control the discharge.

[0047] It should be noted that operators can precisely manipulate the movement of the air cylinder 7 by remotely controlling the pneumatic valves, thereby controlling the start and stop of unloading and the flow rate; at the same time, by separating the power source and the actuator (air cylinder 7), intrinsically safe remote control is achieved, and the operator does not need to be in the material discharge danger zone.

[0048] In practical applications, when the air cylinder 7 retracts and moves, the controller activates several sets of vibration motors 4.

[0049] It should be noted that by linking the opening signal of the air cylinder 7 with the start signal of the vibration motor 4 through the controller (such as PLC or pneumatic-electric linkage valve), the coordinated operation of the vibration motor 4 is realized so that it vibrates as soon as the gate is opened; thus maximizing the unloading efficiency and automatically stopping the vibration after the baffle is closed.

[0050] In some embodiments, 2-4 sets of vibration motors 4 may be installed depending on the size of the funnel discharge hopper 2.

[0051] In summary: When unloading is required, the operator remotely controls the external pneumatic system to retract the air cylinder 7. The air cylinder 7 pulls the wire rope body 8 through the wire rope connector 71. After the wire rope body 8 passes over the limiting pulley 9 on the gantry frame 11, it lifts the baffle 6 upwards. Guided by the vertical limiting mechanism 5, the baffle 6 rises smoothly, opening the bottom outlet of the funnel unloading hopper 2, and the material begins to be unloaded. At the same time, the linkage controller starts the vibration motor 4 to assist the smooth flow of material. After unloading is completed, the air cylinder 7 is extended to release the tension of the wire rope. At this time, under the gravity of the baffle 6 itself and the counterweight 62, the baffle 6 descends rapidly along the vertical limiting mechanism 5 until the unloading port is completely closed, and the vibration motor 4 also stops. Throughout the process, the elastic connector 3 continuously buffers the vibration of the unloading hopper. This invention achieves remote, efficient, and inherently safe unloading of mine funnels by replacing manual labor with air cylinder drive, replacing wooden boards with steel plate baffles, and combining elastic buffering and vibration assistance.

[0052] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention. The scope of protection claimed by the appended claims and their equivalents is defined.

Claims

1. A highly efficient and safe funnel unloading device, characterized in that, The unloading hopper includes a hopper frame (1) and a funnel unloading hopper (2). The hopper frame (1) and the funnel unloading hopper (2) are elastically connected by an elastic connector (3). The inner walls of both sides of the funnel unloading hopper (2) are provided with vertical limiting mechanisms (5). A baffle (6) is vertically inserted into the vertical limiting mechanism (5). The baffle (6) is made of steel plate. Two sets of limiting pulleys (9) are installed on the hopper frame (1) through a gantry frame (11). A wind cylinder (7) is fixedly installed on the hopper frame (1). A wire rope body (8) is fixedly connected to the top surface of the baffle (6). The wire rope body (8) passes around the limiting pulleys (9) and its end is fixedly connected to the wire rope connector (71) at the end of the wind cylinder (7).

2. The efficient and safe funnel unloading device according to claim 1, characterized in that, The funnel discharge hopper (2) is installed at an incline on the discharge hopper frame (1) via an elastic connector (3), and several sets of vibration motors (4) are provided on the bottom surface of the funnel discharge hopper (2).

3. The efficient and safe funnel unloading device according to claim 2, characterized in that, The elastic connector (3) includes an upper connecting seat (301) fixedly installed on the outer side wall of the hopper discharge hopper (2). A telescopic rod (302) is fixedly connected to the bottom surface of the upper connecting seat (301). A lower connecting seat (303) is fixedly connected to the bottom end of the telescopic rod (302). The lower connecting seat (303) is fixed on the top surface of the discharge hopper frame (1). A return spring (304) is sleeved on the surface of the telescopic rod (302). The two ends of the return spring (304) are fixedly connected to the upper connecting seat (301) and the lower connecting seat (303) respectively.

4. The efficient and safe funnel unloading device according to claim 1, characterized in that, The vertical limiting mechanism (5) includes a limiting shell (501) and a limiting vertical plate (502) fixedly installed on the inner walls of both sides of the funnel discharge hopper (2). A sliding channel (503) is formed between the inside of the limiting shell (501) and the limiting vertical plate (502). The two ends of the baffle (6) are movably inserted into the sliding channel (503).

5. The efficient and safe funnel unloading device according to claim 4, characterized in that, Limiting protrusions (61) are welded to the surface of the baffle (6) and at both ends. The limiting protrusions (61) are inside the limiting shell (501). When the air cylinder (7) moves in extension and retraction, the baffle (6) is pulled vertically by the wire rope body (8). The limiting protrusions (61) are attached to the inner top surface of the limiting shell (501) to limit the vertical movement of the baffle (6).

6. The efficient and safe funnel unloading device according to claim 1, characterized in that, The limiting pulley (9) includes two sets of pulley frames (901) fixedly installed on the top of the inner side of the gantry frame (11). The two side walls of the pulley frame (901) are rotatably connected to the rotating shaft (902). The middle part of the rotating shaft (902) is fixedly fitted with a pulley (903). The surface of the pulley (903) is provided with an arc groove.

7. The efficient and safe funnel unloading device according to claim 1, characterized in that, A counterweight (62) is fixedly installed on the surface of the baffle (6) to increase the overall weight of the baffle (6). When the air cylinder (7) extends, its wire rope body (8) is in a loose state. Under the gravity of the baffle (6) and the counterweight (62), the baffle (6) moves vertically downward to close the port of the funnel discharge hopper (2).

8. The efficient and safe funnel unloading device according to claim 1, characterized in that, The air cylinder (7) is connected to an external pneumatic control system to control the extension and retraction of the air cylinder (7), to control the vertical opening and closing of the baffle (6), and to open and close the port of the funnel discharge hopper (2) to control the discharge.

9. The efficient and safe funnel unloading device according to claim 1, characterized in that, When the air cylinder (7) retracts and moves, the controller activates several sets of vibration motors (4).

Images