Material discharging device and operation method

Abstract

The invention relates to the technical field of material conveying equipment, and discloses a material discharging device and an operation method.The material discharging device comprises a frame, a material bin is movably connected to a bearing plate, and an auxiliary frame is fixedly connected to the bottom of the bearing plate; the auxiliary pipeline is in butt joint with an output port of the stock bin, the bottom of the auxiliary frame is fixedly connected with a transition plate material pipe flange, the bottom of the transition plate material pipe flange is connected with a discharging pipeline, and a telescopic pipeline is connected between the discharging pipeline and the auxiliary pipeline; the adjusting assembly comprises a first guide rod, the first guide rod penetrates through the auxiliary frame and slides in the height direction of the auxiliary frame, one end of the first guide rod is fixedly connected with the transition plate material pipe flange, the other end of the first guide rod is fixedly connected with a cam connecting plate, and the cam connecting plate is fixedly connected with a second guide rod. The discharging device solves the problems that the height of a discharging pipeline of an existing discharging device cannot be adjusted, materials are prone to accumulation, flow control is inaccurate, and weight monitoring is imperfect.

Description

Technical Field

[0001] This invention relates to the field of material conveying equipment technology, and discloses a material feeding device and its operating method. Background Technology

[0002] In industrial production, the material feeding process is crucial. Traditional material feeding devices often have many problems, such as a fixed feeding pipe height, which cannot adapt to receiving equipment of different heights, leading to inconvenience in material transportation; material tends to accumulate in the hopper, affecting the smoothness and efficiency of feeding; and the feeding flow rate is difficult to control precisely, which may lead to instability in subsequent production processes.

[0003] In addition, existing feeding devices are inadequate in terms of material weight monitoring and equipment connection stability, and cannot meet the requirements of modern industrial production for high efficiency, precision and stability.

[0004] Therefore, there is an urgent need for a new type of material feeding device to solve the above problems. Summary of the Invention

[0005] The purpose of this invention is to provide a material feeding device and its operating method to solve the problems of existing feeding devices, such as the non-adjustable height of the feeding pipe, easy material accumulation, inaccurate flow control, and imperfect weight monitoring, so as to achieve efficient, stable, and accurate material feeding and improve industrial production efficiency and quality.

[0006] To achieve the above-mentioned technical effects, the technical solution adopted by the present invention is: a material feeding device, comprising: A frame, wherein a support plate is provided at the upper end of the frame, a hopper is movably connected to the support plate, and an auxiliary frame is fixedly connected to the bottom of the support plate; An auxiliary pipe is fixedly connected to an auxiliary frame. The auxiliary pipe is connected to the output port of the silo and is used to transport materials in the silo. A transition plate material pipe flange is fixedly connected to the bottom of the auxiliary frame. A discharge pipe is connected to the bottom of the transition plate material pipe flange. A telescopic pipe is connected between the discharge pipe and the auxiliary pipe. An adjustment assembly, mounted on an auxiliary frame, includes a first guide rod that passes through the auxiliary frame and slides along the height of the auxiliary frame. One end of the first guide rod passes through a material pipe flange and is threadedly connected to a limit nut. The limit nut cooperates with the material pipe flange. One end of the first guide rod is fixedly connected to a transition plate, and the other end is fixedly connected to a cam connecting plate. A cam body is rotatably connected to the cam connecting plate and rotates around the cam connecting plate, abutting against the auxiliary frame. A second guide rod is fixedly connected to the cam connecting plate and is slidably connected to the auxiliary frame.

[0007] As a preferred implementation scheme, it also includes: A pulley block is mounted on an auxiliary frame. The pulley block includes a pulley body and a pulley bracket. The pulley body is rotatably connected to the pulley bracket, and the pulley bracket is fixedly connected to the auxiliary frame. The lifting rope is fixed at one end to the cam and at the other end through the sliding wheel body and fixedly connected to the feeding pipe. The lifting rope is used to synchronously lift or lower the feeding pipe and the transition plate material pipe flange when the cam is rotated.

[0008] As a preferred implementation scheme, it also includes: A weight sensor is fixedly connected to the frame, and the output end of the weight sensor is engaged with the support plate to measure the weight of the silo. A positioning rod is fixedly connected to the hopper, and the bearing plate is provided with positioning holes and positioning grooves that cooperate with the positioning rod; The first valve body is located on the output port of the silo and is used to open or close the output port of the silo. A vibrator, installed on the silo, is used to vibrate the silo and concentrate the material at the silo's output port.

[0009] As a preferred implementation scheme, it also includes: The second valve body is located on the auxiliary pipeline and is used to open or close the output port of the auxiliary pipeline. The second valve body is a flow regulating valve. A connecting pipe is provided on the auxiliary pipe. The auxiliary pipe and the connecting pipe are provided with a number of spring pins. The number of spring pins are arranged along the circumference of the auxiliary pipe. When the output port of the hopper abuts against the connecting pipe, the connecting pipe compresses the spring pins and abuts against the auxiliary pipe.

[0010] As a preferred implementation scheme, it also includes: A feeding pipe is located at the output port of the discharge pipe. The discharge pipe is equipped with a quick-release buckle for connecting the feeding pipe and the discharge pipe, and for connecting the discharge pipe and the feeding pipe. The third valve body is located on the feeding pipe and is used to open or close the output port of the feeding pipe.

[0011] Based on the above-mentioned device, the present invention also proposes an operating method for a material feeding device, comprising the following steps: The hopper is movably connected to the support plate at the top of the frame, and the auxiliary pipe is fixedly connected to the auxiliary frame at the bottom of the support plate, and the auxiliary pipe is connected to the output port of the hopper. When it is necessary to adjust the height of the discharge pipe, rotate the cam body in the adjustment assembly on the auxiliary frame. The cam body rotates around the cam connecting plate and abuts against the auxiliary frame, causing the first guide rod to slide along the height direction of the auxiliary frame. Since one end of the first guide rod is fixedly connected to the transition plate material pipe flange, the transition plate material pipe flange drives the discharge pipe to rise and fall. Under the action of the pulley block and the lifting rope, the discharge pipe and the transition plate material pipe flange are raised or lowered synchronously. The weight of the hopper is measured using a weight sensor on the frame; When material needs to be discharged, open the first valve body of the hopper outlet to allow the material to be transported through the auxiliary pipe, the retractable pipe and the discharge pipe. The flow rate can be adjusted by the second valve body on the auxiliary pipe. If material accumulates in the silo, start the vibrator on the silo to concentrate the material to the silo's output port; The feeding pipe is connected to the output port of the discharge pipe via a quick-release clip, and the opening and closing of the output port of the feeding pipe is controlled by the third valve body on the feeding pipe.

[0012] In a preferred embodiment, in the step of connecting the auxiliary pipe to the outlet of the silo, the outlet of the silo abuts against the connecting pipe on the auxiliary pipe, and the connecting pipe compresses several spring pins arranged along the circumference of the auxiliary pipe and abuts against the auxiliary pipe, thereby achieving a stable connection between the auxiliary pipe and the outlet of the silo.

[0013] As a preferred embodiment, in the step of rotating the cam body, one end of the lifting rope is fixed to the cam, and the other end passes through the sliding wheel body of the pulley group on the auxiliary frame and is fixedly connected to the feeding pipe. Utilizing the guiding effect of the pulley group, the lifting rope drives the feeding pipe and the transition plate material pipe flange to be lifted or lowered synchronously when the cam rotates.

[0014] In a preferred embodiment, after the step of measuring the weight of the hopper using a weight sensor on the frame, the method further includes: A preset weight threshold is set. The weight data of the hopper measured by the weight sensor is compared with the preset weight threshold. When the weight of the hopper is lower than the preset lower weight limit, a replenishment prompt signal is issued. When the weight of the hopper is higher than the preset upper weight limit, an overload warning signal is issued.

[0015] In a preferred embodiment, in the step of adjusting the flow rate through the second valve body on the auxiliary pipeline, the second valve body is a multi-disc valve body according to the preset material discharge requirement. The material discharge speed and discharge amount can be controlled by controlling the valve rotation speed and the number of valve discs. The opening degree of the second valve body is adjusted by using a PID control algorithm to stabilize the material flow rate within the target value range.

[0016] Compared with the prior art, the beneficial effects of this invention are: 1. Height Adjustable: By adjusting the components, pulley blocks and lifting ropes, the height of the discharge pipe can be flexibly adjusted, which can adapt to receiving equipment of different heights and improve the versatility and applicability of the device. 2. Smooth material feeding: The vibrator effectively solves the problem of material accumulation in the hopper, ensuring that the material can be smoothly concentrated at the hopper outlet and improving feeding efficiency. 3. Precise flow control: The second valve body is adjusted by using a PID control algorithm. The second valve body can precisely control the material flow according to the preset feeding quantity requirements, so that the material flow is stable within the target value range, ensuring the stability of subsequent production processes and product quality. IV. Real-time weight monitoring: The combination of weight sensors and preset weight thresholds can monitor the weight of materials in the silo in real time, and promptly issue replenishment prompts and overweight warnings, which facilitates production management and material allocation. V. Stable and reliable connection: The hopper outlet and auxiliary pipeline are stably connected by spring pins and connecting pipes, and the discharge pipeline and feeding pipeline are connected by quick-clamping, ensuring the stability and reliability of the pipeline connection during the entire material conveying process and reducing the risk of material leakage. Attached Figure Description

[0017] Figure 1 This is an overall structural diagram of the present invention; Figure 2 This is a structural diagram of the adjustment component of the present invention; Figure 3 This is a structural diagram of the feeding pipe and other components of the present invention; Figure 4 This is a structural diagram of the silo of the present invention; Figure 5 This is a structural diagram of the connecting pipes and other components of the present invention.

[0018] Figure 6 This is a cross-sectional view of the connecting pipes and other components of the present invention.

[0019] Figure label: 1. Frame; 12. Load-bearing plate; 13. Hopper; 14. Auxiliary frame; 2. Auxiliary piping; 21. Transition plate material pipe flange; 22. Discharge piping; 23. Expandable piping; 3. First guide rod; 31. Cam connecting plate; 32. Cam body; 33. Second guide rod; 4. Pulley body; 41. Pulley bracket; 42. Lifting rope; 5. Weight sensor; 51. Positioning rod; 52. First valve body; 53. Vibrator; 6. Second valve body; 61. Connecting pipe; 62. Spring pin; 7. Feeding pipe; 71. Quick-release buckle; 72. Third valve body. Detailed Implementation

[0020] The present invention will now be described in further detail with reference to the embodiments and accompanying drawings. However, this should not be construed as limiting the scope of the above-described subject matter of the present invention to the following embodiments; all technologies implemented based on the content of the present invention fall within the scope of the present invention.

[0021] Example 1: A material feeding device, the specific structure of which is as follows: refer to Figure 1 , 2 Overall frame structure 1: The device includes a frame 1, with a support plate 12 at the upper end of the frame 1. The support plate 12 supports the hopper 13, and the hopper 13 is movably connected to the support plate 12 to facilitate the installation and disassembly of the hopper 13. An auxiliary frame 14 is fixedly connected to the bottom of the support plate 12 to provide support for components such as auxiliary pipes 2.

[0022] Material conveying pipeline: Auxiliary pipeline 2 is fixedly connected to auxiliary frame 14 and connects to the output port of silo 13 for conveying materials within silo 13. A transition plate material pipe flange 21 is fixedly connected to the bottom of auxiliary frame 14, and a discharge pipeline 22 is connected to the bottom of transition plate material pipe flange 21. A retractable pipeline 23 connects the discharge pipeline 22 and auxiliary pipeline 2. The retractable pipeline 23 ensures that the material conveying remains continuous even during height adjustment of the discharge pipeline 22.

[0023] refer to Figure 2 The height adjustment component is mounted on the auxiliary frame 14 and includes a first guide rod 3. The first guide rod 3 passes through the auxiliary frame 14 and can slide along the height direction of the auxiliary frame 14. One end of the first guide rod 3 is fixedly connected to the transition plate material pipe flange 21, and the other end is fixedly connected to a cam connecting plate 31. A cam body 32 is rotatably connected to the cam connecting plate 31. The cam body 32 can rotate around the cam connecting plate 31 and abuts against the auxiliary frame 14 during rotation. The rotation of the cam pushes the first guide rod 3 to slide up and down, thereby realizing the lifting and lowering of the transition plate material pipe flange 21 and the discharge pipe 22. In addition, a guide rod is also fixedly connected to the cam connecting plate 31. The guide rod is slidably connected to the auxiliary frame 14, further ensuring the stability of the movement of the cam connecting plate 31.

[0024] Pulley block and lifting rope 42: The pulley block is mounted on the auxiliary frame 14 and includes a pulley body 4 and a pulley bracket 41. The pulley body 4 is rotatably connected to the pulley bracket 41, and the pulley bracket 41 is fixedly connected to the auxiliary frame 14. One end of the lifting rope 42 is fixed to the cam, and the other end passes through the pulley body 4 and is fixedly connected to the discharge pipe 22. When the cam is rotated, the action of the lifting rope 42 and the pulley block ensures that the discharge pipe 22 and the transition plate material pipe flange 21 are raised or lowered synchronously, ensuring the stability of material conveying.

[0025] refer to Figure 1 , 4 Weight monitoring and auxiliary feeding components: Weight sensor 5 is fixedly connected to frame 1, and its output end cooperates with support plate 12 to accurately measure the weight of hopper 13. A positioning rod 51 is fixedly connected to hopper 13, and the support plate 12 has positioning holes and slots that cooperate with the positioning rod 51, facilitating accurate installation and positioning of hopper 13. A first valve body 52 is provided on the output port of hopper 13 for opening or closing the output port of hopper 13; hopper 13 is also equipped with a vibrator 53. When material accumulates in hopper 13, activating vibrator 53 can concentrate the material to the output port of hopper 13, ensuring smooth feeding.

[0026] refer to Figure 5 Flow control and pipeline connection components: A second valve body 6 is provided on the auxiliary pipeline 2. This second valve body 6 is a flow regulating valve, which can be used to open or close the output port of the auxiliary pipeline 2 and regulate the material flow rate. A connecting pipeline 61 is also provided on the auxiliary pipeline 2. Several spring pins 62 are provided between the auxiliary pipeline 2 and the connecting pipeline 61. These spring pins 62 are arranged circumferentially along the auxiliary pipeline 2. When the output port of the silo 13 abuts against the connecting pipeline 61, the connecting pipeline 61 compresses the spring pins 62 and abuts against the auxiliary pipeline 2, realizing a stable connection between the auxiliary pipeline 2 and the output port of the silo 13.

[0027] refer to Figure 3 Feeding component: The output port of the feeding pipe 22 is equipped with a feeding pipe 7. The feeding pipe 22 is equipped with a quick-release buckle 71 for connecting the feeding pipe 7, realizing quick connection between the feeding pipe 22 and the feeding pipe 7. The feeding pipe 7 is equipped with a third valve body 72 for opening or closing the output port of the feeding pipe 7.

[0028] In use, firstly, the hopper 13 is movably connected to the support plate 12 at the upper end of the frame 1 by engaging the positioning rod 51 with the positioning hole and slot on the support plate 12. Next, the auxiliary pipe 2 is fixedly connected to the auxiliary frame 14, so that the connecting pipe 61 on the auxiliary pipe 2 abuts against the output port of the hopper 13. The connecting pipe 61 compresses the spring pin 62 and is tightly connected to the auxiliary pipe 2, thus completing the docking between the auxiliary pipe 2 and the output port of the hopper 13.

[0029] When the height of the discharge pipe 22 does not need to be adjusted, directly open the first valve 52 of the output port of the hopper 13. The material is then transported to the feeding pipe 7 through the auxiliary pipe 2, the retractable pipe 23, and the discharge pipe 22. Open the third valve 72 on the feeding pipe 7 to allow the material to be discharged normally.

[0030] Height adjustment operation of the discharge pipe 22: When it is necessary to adjust the height of the discharge pipe 22 to accommodate different receiving equipment, the operator rotates the cam body 32 in the adjustment assembly on the auxiliary frame 14. The cam body 32 rotates around the cam connecting plate 31 and abuts against the auxiliary frame 14, pushing the first guide rod 3 to slide upward along the height direction of the auxiliary frame 14. Since one end of the first guide rod 3 is fixedly connected to the transition plate material pipe flange 21, it drives the transition plate material pipe flange 21 to move upward, and the transition plate material pipe flange 21 in turn drives the discharge pipe 22 to rise synchronously; During cam rotation, one end of the lifting rope 42 is fixed to the cam body 32, and the other end passes through the sliding wheel body 4 of the pulley block on the auxiliary frame 14 and is fixedly connected to the discharge pipe 22. The guiding effect of the pulley block ensures that the discharge pipe 22 and the transition plate material pipe flange 21 are lifted synchronously, ensuring the connection stability of the material conveying pipe. Once the required height is reached, cam rotation stops, and the discharge pipe 22 stabilizes at the new height, allowing the discharge operation to continue.

[0031] During adjustment, such as Figure 2 As shown, the cam body 32 includes a first contact surface and a second contact surface. When the first contact surface contacts the auxiliary frame 14, the cam body 32 acts as a limit, and the transition plate material pipe flange 21 will not continue to move downward. When the cam body 32 is rotated, the second contact surface contacts the auxiliary frame 14. Under the eccentric action of the cam body 32, the telescopic pipe 23 is compressed, raising the transition plate material pipe flange 21. At the same time, under the action of the sliding wheel, the discharge pipe 22 is also vertically lifted. For limiting the cam: a handle is set on the cam body 32, and a winch is set on the auxiliary frame 14. The output end of the winch cable is connected to the handle. Rotating the winch can realize the rotation of the cam, thereby realizing the multi-height adjustment function.

[0032] Precise material flow control and weight monitoring: Before the material feeding operation, relevant parameters are input into the control system according to the preset feeding quantity requirements. The PID control algorithm is used to adjust the opening of the second valve body 6 on the auxiliary pipeline 2. During the material conveying process, the system monitors the material flow in real time. Based on the deviation between the actual flow and the target flow, the second valve body 6 is a multi-disc valve. By controlling the valve rotation speed and the number of discs, the feeding speed and feeding quantity can be controlled, and the opening of the second valve body 6 is automatically adjusted to keep the material flow stable within the target value range.

[0033] The weight sensor 5 on frame 1 measures the weight of hopper 13 in real time and transmits the measurement data to the control system. The control system presets a weight threshold. When the weight of hopper 13 is lower than the preset lower limit, a replenishment prompt signal is issued to remind the operator to replenish the material in time. When the weight of hopper 13 is higher than the preset upper limit, an overload warning signal is issued to avoid damage to the device due to excessive weight of hopper 13.

[0034] Handling material accumulation in hopper 13: If material accumulation is found in hopper 13 during the unloading process, causing obstructed unloading, the operator activates the vibrator 53 on hopper 13. The vibrator 53 vibrates, loosening the accumulated material in hopper 13 and concentrating it at the output port of hopper 13, restoring smooth material unloading. After the material is successfully conveyed, the vibrator 53 is turned off.

[0035] As a preferred embodiment, the vibrator is turned on simultaneously during material feeding to ensure that the material in the hopper is fed out and to prevent air from entering the outlet line, which would cause the first valve below to run empty without being filled with material, thus avoiding material feeding and metering errors. The first and third valve bodies are connected to a pneumatic actuator and equipped with a universal joint. The valve interlocking control can be achieved by controlling the air source switch through the control system.

[0036] Example 2, based on the above-mentioned material feeding device operation method, the specific steps are as follows: Device Installation: The hopper 13 is movably connected to the support plate 12 at the upper end of the frame 1. The auxiliary pipe 2 is fixedly connected via the auxiliary frame 14 at the bottom of the support plate 12, and the auxiliary pipe 2 is aligned with the output port of the hopper 13. During the alignment process, the output port of the hopper 13 abuts against the connecting pipe 61 on the auxiliary pipe 2. The connecting pipe 61 compresses several spring pins 62 arranged circumferentially along the auxiliary pipe 2 and abuts against the auxiliary pipe 2, achieving a stable connection.

[0037] Height adjustment of the discharge pipe 22: When it is necessary to adjust the height of the discharge pipe 22, rotate the cam body 32 in the adjustment assembly on the auxiliary frame 14. The cam body 32 rotates around the cam connecting plate 31 and abuts against the auxiliary frame 14, causing the first guide rod 3 to slide along the height direction of the auxiliary frame 14. Since one end of the first guide rod 3 is fixedly connected to the transition plate material pipe flange 21, the transition plate material pipe flange 21 drives the discharge pipe 22 to rise and fall. In this process, using the guiding effect of the pulley block, the lifting rope 42 drives the discharge pipe 22 and the transition plate material pipe flange 21 to rise or fall synchronously when the cam rotates.

[0038] Material weight monitoring: The weight of silo 13 is measured by weight sensor 5 on frame 1. A preset weight threshold is set, and the weight data of silo 13 measured by weight sensor 5 is compared with the preset weight threshold. When the weight of silo 13 is lower than the preset lower weight limit, a replenishment prompt signal is issued; when the weight of silo 13 is higher than the preset upper weight limit, an overload warning signal is issued.

[0039] Material feeding operation: When feeding is required, open the first valve 52 at the output port of hopper 13 to allow material to be conveyed through auxiliary pipe 2, retractable pipe 23, and feeding pipe 22. The opening of the second valve 6 on auxiliary pipe 2 can be adjusted using a PID control algorithm according to the preset feeding volume requirement, ensuring the material flow rate remains stable within the target range. If material accumulates in hopper 13, activate the vibrator 53 on hopper 13 to concentrate the material at the output port of hopper 13.

[0040] Feeding control: The feeding pipe 7 is connected to the output port of the discharge pipe 22 via a quick-release buckle 71. The opening and closing of the output port of the feeding pipe 7 is controlled by the third valve body 72 on the feeding pipe 7 to achieve precise feeding.

[0041] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A material feeding device, characterized in that, include: A frame (1) is provided with a bearing plate (12) at the upper end of the frame (1), a hopper (13) is movably connected to the bearing plate (12), and an auxiliary frame (14) is fixedly connected to the bottom of the bearing plate (12). An auxiliary pipe (2) is fixedly connected to an auxiliary frame (14). The auxiliary pipe (2) is connected to the output port of the silo (13) and is used to transport the material in the silo (13). A transition plate material pipe flange (21) is fixedly connected to the bottom of the auxiliary frame (14). A discharge pipe (22) is connected to the bottom of the transition plate material pipe flange (21). A telescopic pipe (23) is connected between the discharge pipe (22) and the auxiliary pipe (2). An adjustment assembly is provided on the auxiliary frame (14). The adjustment assembly includes a first guide rod (3), which passes through the auxiliary frame (14) and slides along the height direction of the auxiliary frame (14). One end of the first guide rod (3) is connected to the flange (21) of the material pipe through the transition plate and is threaded with a limit nut. The limit nut cooperates with the flange (21) and is fixedly connected. The other end is fixedly connected to a cam connecting plate (31). A cam body (32) is rotatably connected to the cam connecting plate (31). The cam body (32) rotates around the cam connecting plate (31) and abuts against the auxiliary frame (14). A second guide rod (33) is fixedly connected to the cam connecting plate (31). The second guide rod (33) is slidably connected to the auxiliary frame (14).

2. The material feeding device according to claim 1, characterized in that, Also includes: A pulley block is provided on an auxiliary frame (14). The pulley block includes a pulley body (4) and a pulley bracket (41). The pulley body (4) is rotatably connected to the pulley bracket (41), and the pulley bracket (41) is fixedly connected to the auxiliary frame (14). The lifting rope (42) is fixed at one end to the cam and the other end of the lifting rope (42) passes through the sliding wheel body (4) and is fixedly connected to the feeding pipe (22). The lifting rope (42) is used to lift or lower the feeding pipe (22) and the transition plate material pipe flange (21) synchronously when the cam is rotated.

3. The material feeding device according to claim 1, characterized in that, Also includes: A weight sensor (5) is fixedly connected to the frame (1). The output end of the weight sensor (5) is engaged with the support plate (12) to measure the weight of the silo (13). The positioning rod (51) is fixedly connected to the hopper (13), and the bearing plate (12) is provided with a positioning hole and positioning groove that cooperate with the positioning rod (51); The first valve body (52) is located on the output port of the silo (13) and is used to open or close the output port of the silo (13); A vibrator (53) is installed on the silo (13) to vibrate the silo (13) and realize the material concentration to the output port of the silo (13).

4. The material feeding device according to claim 1, characterized in that, Also includes: The second valve body (6) is located on the auxiliary pipe (2) and is used to open or close the output port of the auxiliary pipe (2). The second valve body (6) is a flow regulating valve. A connecting pipe (61) is provided on the auxiliary pipe (2). The auxiliary pipe (2) and the connecting pipe (61) are provided with a number of spring pins (62). The number of spring pins (62) are arranged around the auxiliary pipe (2). When the output port of the hopper (13) abuts against the connecting pipe (61), the connecting pipe (61) compresses the spring pins (62) and abuts against the auxiliary pipe (2).

5. The material feeding device according to claim 1, characterized in that, Also includes: Feeding pipe (7) is located at the output port of feeding pipe (22). The feeding pipe (22) is provided with a quick buckle (71) for connecting feeding pipe (7) and feeding pipe (22), and connecting feeding pipe (22) and feeding pipe (7). The third valve body (72) is located on the feeding pipe (7) and is used to open or close the output port of the feeding pipe (7).

6. An operating method for a material feeding device, characterized in that, The method is implemented based on the material feeding device according to any one of claims 1-5, and includes the following steps: The hopper (13) is movably connected to the bearing plate (12) at the upper end of the frame (1), and the auxiliary pipe (2) is fixedly connected through the auxiliary frame (14) at the bottom of the bearing plate (12), and the auxiliary pipe (2) is connected to the output port of the hopper (13); When the height of the discharge pipe (22) needs to be adjusted, the cam body (32) in the adjustment assembly on the auxiliary frame (14) is rotated. The cam body (32) rotates around the cam connecting plate (31) and abuts against the auxiliary frame (14), causing the first guide rod (3) to slide along the height direction of the auxiliary frame (14). Since one end of the first guide rod (3) is fixedly connected to the transition plate material pipe flange (21), the transition plate material pipe flange (21) drives the discharge pipe (22) to rise and fall. Under the action of the pulley block and the lifting rope (42), the discharge pipe (22) and the transition plate material pipe flange (21) are raised or lowered synchronously. The weight of the hopper (13) is measured by the weight sensor (5) on the frame (1); When material needs to be discharged, open the first valve body (52) of the output port of the hopper (13) to allow the material to be transported through the auxiliary pipe (2), the retractable pipe (23) and the discharge pipe (22). The flow rate can be adjusted by the second valve body (6) on the auxiliary pipe (2). If material accumulates in the silo (13), start the vibrator (53) on the silo (13) to concentrate the material to the output port of the silo (13); The feeding pipe (7) is connected to the output port of the discharge pipe (22) via a quick snap (71), and the opening and closing of the output port of the feeding pipe (7) is controlled by the third valve body (72) on the feeding pipe (7).

7. The operating method of the material feeding device according to claim 6, characterized in that, In the step of connecting the auxiliary pipe (2) with the output port of the silo (13), the output port of the silo (13) abuts against the connecting pipe (61) on the auxiliary pipe (2), and the connecting pipe (61) compresses several spring pins (62) arranged along the circumference of the auxiliary pipe (2) and abuts against the auxiliary pipe (2), thereby achieving a stable connection between the auxiliary pipe (2) and the output port of the silo (13).

8. The operating method of the material feeding device according to claim 7, characterized in that, In the step of rotating the cam body (32), one end of the lifting rope (42) is fixed to the cam, and the other end passes through the sliding wheel body (4) of the pulley group on the auxiliary frame (14) and is fixedly connected to the feeding pipe (22). By utilizing the guiding effect of the pulley group, the lifting rope (42) drives the feeding pipe (22) and the transition plate material pipe flange (21) to be lifted or lowered synchronously when the cam rotates.

9. The operating method of the material feeding device according to claim 8, characterized in that, After the step of measuring the weight of the hopper (13) by the weight sensor (5) on the frame (1), the method further includes: The preset weight threshold is used to compare the weight data of the hopper (13) measured by the weight sensor (5) with the preset weight threshold. When the weight of the hopper (13) is lower than the preset lower weight limit, a replenishment prompt signal is issued; when the weight of the hopper (13) is higher than the preset upper weight limit, an overweight warning signal is issued.

10. The operating method of the material feeding device according to claim 9, characterized in that, In the step of adjusting the flow rate through the second valve body (6) on the auxiliary pipeline (2), the second valve body (6) is a multi-lobe valve body according to the preset material feeding requirement. The feeding speed and feeding amount can be controlled by controlling the valve rotation speed and the number of rotation lobes. The opening degree of the second valve body (6) is adjusted by using a PID control algorithm to stabilize the material flow rate within the target value range.

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