Quantitative conveying device for low-moisture sludge and granules

Abstract

The utility model relates to the technical field of feeding mechanisms, in particular to a quantitative conveying device for low-moisture sludge and granules. Comprising a feeding section in a first preset shape, a material guiding section which is connected with the bottom of the feeding section and is in a second preset shape, and a material control section which is connected with the bottom of the material guiding section and is in a third preset shape; the conveying mechanism is arranged below the hopper; the material vibrating device is arranged on the outer wall of the material guiding section; a material control assembly; and a detection assembly. According to the three-section type hopper, the hollow rectangular feeding section facilitates convenient feeding of materials, the inverted hollow quadrangular frustum pyramid-shaped material guiding section facilitates guiding flowing of the materials, the hollow rectangular material controlling section facilitates controlling of the amount of the materials, and flowing of the materials is optimized through combination of the hollow rectangular feeding section, the inverted hollow quadrangular frustum pyramid-shaped material guiding section and the hollow rectangular material controlling section. The detection assembly is arranged on the outer wall of the whole hopper, and the weighing sensor in the detection assembly is matched with the electro-hydraulic gate valve to quantitatively feed materials to the double-shaft screw conveyor for conveying, so that quantitative feeding is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of feeding mechanisms, in particular to a quantitative conveying device for low-moisture sludge and granular materials. Background Art

[0002] At present, underground bins, vibrating feeders and belt scales are used for receiving and batching low-moisture sludge and granular materials. These devices are very mature, but they often stick and block materials during the discharging process, resulting in poor operation and inability to achieve quantitative feeding.

[0003] In view of this, a device that is smooth during the discharging process and meets the requirements of quantitative conveying is needed. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the disadvantages existing in the prior art, and provide a quantitative conveying device for low-moisture sludge and granular materials, including:

[0005] A hopper for storing materials: including a feeding section with a first preset shape, a guiding section with a second preset shape connected to the bottom of the feeding section, and a material control section with a third preset shape connected to the bottom of the guiding section;

[0006] A conveying mechanism, arranged below the hopper;

[0007] A material vibrating device, arranged on the outer wall of the guiding section;

[0008] A material control component, including a material control part and a driving part connected to each other. The material control part of the material control component penetrates through the outer wall of the material control section and is placed in the inner cavity of the material control section. The material control part is configured to be driven by the driving part to close or dredge the material control section;

[0009] A detection component, configured on the outer wall of the hopper and supporting the entire hopper.

[0010] Further, the first preset shape is a hollow rectangle; the second preset shape is an inverted hollow frustum of a pyramid; the third preset shape is a hollow rectangle.

[0011] Further, the conveying device is a double-shaft screw conveyor.

[0012] Further, the size of the material control section matches the feeding port of the double-shaft screw conveyor, and the lower end of the material control section is fixedly connected to the feeding port of the double-shaft screw conveyor.

[0013] Further, the material vibrating device is a bin wall vibrator.

[0014] Further, the material control component is an electro-hydraulic plug valve, the material control part is the valve body in the electro-hydraulic plug valve and the plug valve arranged inside the valve body, the driving part is the driving device including an electro-hydraulic push rod and a motor in the electro-hydraulic plug valve, one end of the electro-hydraulic push rod is connected to the motor, and the other end of the electro-hydraulic push rod is connected to the plug valve.

[0015] Further, the detection component includes a support frame, a weighing sensor and a pressure head arranged around the outer wall of the hopper; one end of the weighing sensor is connected to the lower bottom surface of the pressure head, and the other end is connected to the upper end surface of the support frame.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] 1. In the three-section hopper designed by the low-moisture sludge and granular material quantitative conveying device of the present utility model, the hollow rectangular feeding section helps the convenient input of materials, the inverted hollow frustum-shaped guiding section helps the guiding flow of materials, and the hollow rectangular material control section helps to control the amount of materials. The combination of the three optimizes the flow of materials.

[0018] 2. A bin wall vibrator is arranged on the guiding section of the low-moisture sludge and granular material quantitative conveying device of the present utility model, which reduces the adhesion of materials on the hopper wall through vibration and further prevents material blockage.

[0019] 3. The outer wall of the entire hopper of the low-moisture sludge and granular material quantitative conveying device of the present utility model is provided with a detection component. The weighing sensor in the detection component cooperates with the electro-hydraulic plug valve to quantitatively feed materials to the double-shaft screw conveyor for conveying, realizing quantitative feeding. Description of the Drawings

[0020] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0021] Figure 1 is a schematic structural diagram of a low-moisture sludge and granular material quantitative conveying device of the present utility model;

[0022] Figure 2 is a side view of a low-moisture sludge and granular material quantitative conveying device of the present utility model.

[0023] Reference Signs

[0024] 1: Hopper;

[0025] 11: Feeding section; 12: Guiding section; 13: Material control section;

[0026] 2: Conveying mechanism;

[0027] 3: Vibration feeding device;

[0028] 4: Material control assembly;

[0029] 41: Material control part; 42: Driving part;

[0030] 5: Detection assembly;

[0031] 51: Support frame; 52: Weighing sensor; 53: Pressing head. Specific implementation mode

[0032] In order to make the purpose, technical solution and advantages of the present utility model clearer, the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific implementation modes. It should be understood that the specific implementation modes described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0033] Embodiment 1

[0034] Please refer to Figure 1-2 , the technical solution of a low-moisture sludge and granular material quantitative conveying device provided in this embodiment is as follows: including:

[0035] The hopper 1 for storing materials: includes a feeding section 11 with a first preset shape, a guiding section 12 with a second preset shape connected to the bottom of the feeding section 11, and a material control section 13 with a third preset shape connected to the bottom of the guiding section 12;

[0036] The conveying mechanism 2 is arranged below the hopper 1;

[0037] The vibration feeding device 3 is arranged on the outer wall of the guiding section 12;

[0038] The material control assembly 4 includes a material control part 41 and a driving part 42 connected to each other. The material control part 41 of the material control assembly 4 penetrates the outer wall of the material control section 13 and is placed in the inner cavity of the material control section 13. The material control part 41 is configured to be driven by the driving part 42 to close or dredge the material control section 13;

[0039] The detection assembly 5 is configured on the outer wall of the hopper 1 and supports the entire hopper 1.

[0040] Preferably, as Figure 1 shown, the overall structure of the hopper 1 of the present utility model includes a feeding section 11, a guiding section 12 and a material control section 13 that are connected through and from top to bottom. The conveying device is a double-shaft screw conveyor. In addition, the size of the material control section 13 matches the feeding port of the double-shaft screw conveyor. The lower end of the material control section 13 is fixedly connected to the feeding port of the double-shaft screw conveyor. The feeding port is the upper end face of the double-shaft screw conveyor in Figure 1 , and the discharging port is the Figure 1The outlet on the right side of the lower end face of the double-shaft screw conveyor.

[0041] Specifically, the first preset shape is a hollow rectangle; the second preset shape is an inverted hollow frustum of a pyramid; the third preset shape is a hollow rectangle. Among them, the feeding section 11 of the hollow rectangle helps the convenient input of materials, the guiding section 12 of the inverted hollow frustum of a pyramid helps the guiding flow of materials, and the material control section 13 of the hollow rectangle helps to control the amount of materials. The combination of the three optimizes the flow of materials.

[0042] Specifically, the vibrating device 3 is a bin wall vibrator, and the problem of sticking and blocking of low-moisture sludge and granular materials during the receiving process can be effectively solved by vibrating the bin wall.

[0043] Specifically, the material control component 4 is an electro-hydraulic plug valve. The material control part 41 is the valve body of the electro-hydraulic plug valve and the plug valve arranged inside the valve body. The driving part 42 is the driving device including an electro-hydraulic push rod and a motor in the electro-hydraulic plug valve. One end of the electro-hydraulic push rod is connected to the motor, and the other end of the electro-hydraulic push rod is connected to the plug valve.

[0044] Preferably, the number of electro-hydraulic plug valves shown in the drawings is only for illustration. The model and number of electro-hydraulic plug valves can be designed according to needs. The opening and closing of the plug valve are controlled by electro-hydraulic drive to achieve the quantitative discharging of materials.

[0045] Specifically, the detection component 5 includes a support frame 51, a weighing sensor 52, and a pressure head 53 arranged around the outer wall of the hopper 1. One end of the weighing sensor 52 is connected to the lower bottom surface of the pressure head 53, and the other end is connected to the upper end surface of the support frame 51. The number of the pressure heads 53 matches the number of the weighing sensors 52.

[0046] Preferably, in addition to installing the weighing sensor 52 at the four corners or other support points of the supporting hopper 1 to directly measure the total weight of the hopper 1 and the materials therein; a suspension system can also be used. If the hopper 1 is suspended by a chain or other suspension system, sensors can be installed at the suspension points. Other reasonable setting methods of the weighing sensor 52 are also within the protection scope of this design.

[0047] Preferably, some control mechanisms electrically connected to the electro-hydraulic plug valve can also be set. This control mechanism is used to receive or issue commands for passage / blockage, and control the driving part 42 in the corresponding electro-hydraulic plug valve to dredge or block the feeding passage. Control mechanisms such as microcontrollers (MCUs) in the prior art can achieve this function, so it will not be elaborated here.

[0048] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A low-moisture sludge and granular material quantitative conveying device, characterized in that: include: A hopper for storing materials: comprising a feeding section of a first preset shape, a material guiding section of a second preset shape connected to the bottom of the feeding section, and a material controlling section of a third preset shape connected to the bottom of the material guiding section; A conveying mechanism is arranged below the hopper; A material vibrating device, arranged on the outer wall of the material guiding section; A material control assembly, comprising a material control member and a driving member connected to each other, wherein the material control member of the material control assembly penetrates the outer wall of the material control section and is disposed in the inner cavity of the material control section, and the material control member is configured to be driven by the driving member to close or dredge the material control section; The detection component is arranged on the outer wall of the hopper and supports the entire hopper.

2. The low-moisture sludge and granular material quantitative conveying device according to claim 1 is characterized in that: The first preset shape is a hollow rectangle; the second preset shape is an inverted hollow quadrangular pyramid; and the third preset shape is a hollow rectangle.

3. The low-moisture sludge and granular material quantitative conveying device according to claim 1 is characterized in that: The conveying device is a double-shaft screw conveyor.

4. The low-moisture sludge and granular material quantitative conveying device according to claim 3 is characterized in that: The size of the material control section matches the feed port of the double-shaft screw conveyor, and the lower end of the material control section is fixedly connected to the feed port of the double-shaft screw conveyor.

5. The low-moisture sludge and granular material quantitative conveying device according to claim 1 is characterized in that: The material vibrating device is a bin wall vibrator.

6. The low-moisture sludge and granular material quantitative conveying device according to claim 1 is characterized in that: The material control component is an electro-hydraulic gate valve, the material control part is the valve body in the electro-hydraulic gate valve and the gate valve arranged inside the valve body, the driving part is a driving device in the electro-hydraulic gate valve including an electro-hydraulic push rod and a motor, one end of the electro-hydraulic push rod is connected to the motor, and the other end of the electro-hydraulic push rod is connected to the gate valve.

7. The low-moisture sludge and granular material quantitative conveying device according to claim 1 is characterized in that: The detection assembly includes a support frame, a weighing sensor and a pressure head arranged around the outer wall of the hopper; one end of the weighing sensor is connected to the lower bottom surface of the pressure head, and the other end is connected to the upper end surface of the support frame.

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