A precise metering pneumatic conveying device

Abstract

The utility model relates to the technical field of conveying devices, specifically a precision metering pneumatic conveying device, including a fixed frame and a motor, a conveying pipe is provided through the inner side of the fixed frame, a feed port is provided on the outer side of the conveying pipe, and a conveying assembly is provided in the conveying pipe; the conveying assembly includes a deflection rod that passes through the conveying pipe, an auger is fixedly connected to the outer side of the deflection rod, a filter plate is fixedly connected to the inner wall side of the conveying pipe, and a first crushing roller is rotatably connected to the inner wall side of the fixed frame. In the utility model, the material is initially broken up by the first crushing roller, the second crushing roller and the crushing roller, and the material is guided out from the top of the conveying pipe by the cooperation of the rotating rod, the transmission belt, the transmission rod, the first bevel gear, the second bevel gear, the deflection rod and the auger, and the material is broken up multiple times to avoid agglomeration and blockage of the material.

Description

Technical Field

[0001] The utility model relates to the technical field of conveying devices, in particular to a precise metering pneumatic conveying device. Background Art

[0002] Pneumatic conveying is the transportation of materials through the energy of air flow. The main characteristics of pneumatic conveying are large conveying volume, long conveying distance and high conveying speed. In the production process of metallurgical powder, metal metallurgical powder is mostly transported by pneumatic conveying device. The pneumatic conveying device has a simple structure and is easy to operate. It can be used for horizontal, vertical or inclined conveying and is suitable for the transportation of powder and granular materials.

[0003] The existing authorized patent number is CN219469029U, which is a pneumatic ash conveying device related to the field of pneumatic conveying devices, including an upper hopper, a lower material assembly is installed below the upper hopper, and the lower material assembly includes a lower hopper, a first throttle hole, a baffle, a second throttle hole, a first motor, a driving wheel, a driven wheel, a screw, a rotating shaft, a through hole and a vertical plate. The utility model controls the size of the overlap between the first throttle hole and the second throttle hole, thereby controlling the speed of the material discharge from the discharge port, reducing the possibility of blockage of the material delivery pipeline, and increasing the flexibility of the device.

[0004] With respect to the above-mentioned related technologies, the inventor believes that when the above-mentioned existing conveying device is in use, materials are piled together and lumps will occur. When the materials are discharged, the materials are not broken up, resulting in blockage of the discharge. Therefore, the utility model provides a precise metering pneumatic conveying device. Utility Model Content

[0005] The purpose of the present application is to provide a precise metering pneumatic conveying device to solve the problem in the above-mentioned background technology that the materials are not broken up when they are discharged, resulting in blockage of the discharge.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a precise metering pneumatic conveying device, comprising a fixed frame and a motor, a feed pipe is provided through the inner side of the fixed frame, a feed port is provided on the outer side of the feed pipe, and a feed assembly is provided in the feed pipe; the feed assembly comprises a deflection rod passing through the feed pipe, an auger is fixedly connected to the outer side of the deflection rod, a filter plate is fixedly connected to the inner wall side of the feed pipe, a first crushing roller is rotatably connected to the inner wall side of the fixed frame, and a second crushing roller matching the first crushing roller is rotatably connected to the inner wall side of the fixed frame.

[0007] Preferably, one end of the first crushing roller is fixedly connected to a connecting rod, the connecting rod passes through the fixed frame, the output end of the motor is fixedly connected to the connecting rod, the outer side of the connecting rod is fixedly connected to a rotating gear, and one end of the second crushing roller is fixedly connected to a rotating rod passing through the fixed frame, the outer side of the rotating rod is fixedly connected to a transmission gear meshing with the rotating gear.

[0008] Preferably, a fixing plate is fixedly connected to the top of the fixing frame, a transmission rod is passed through the inner side of the fixing plate, one end of the transmission rod is fixedly connected to a first bevel tooth, and the top end of the deflection rod is fixedly connected to a second bevel tooth meshing with the first bevel tooth.

[0009] Preferably, a transmission belt is arranged on the outer side of the rotating rod, and the transmission belt is arranged on the outer side of the transmission rod.

[0010] Preferably, an inclined plate is fixedly connected to the inner wall side of the fixed frame, a pair of positioning plates are fixedly connected to the outer side of the inclined plate, a shielding plate is fixedly connected to the side of the positioning plate, and a crushing roller meshing with the first crushing roller is rotatably connected to the inner wall side of the fixed frame.

[0011] Preferably, the deflection rod passes through the filter plate, the bottom end of the deflection rod is fixedly connected with a linkage rod, and the outer side of the linkage rod is fixedly connected with a crushing rod.

[0012] Preferably, a fixing frame is fixedly connected to the outer side of the fixing frame, the motor is fixedly connected to the inner wall of the fixing frame, a supporting frame is fixedly connected to the outer side of the fixing frame, a weighing sensor is arranged on the inner wall of the supporting frame, and a material collecting frame is arranged on the outer side of the weighing sensor.

[0013] In summary, the technical effects and advantages of the utility model are:

[0014] 1. In the utility model, the first crushing roller, the second crushing roller and the crushing roller are used to initially break up the material, and the material is guided out from the top of the feed pipe through the cooperation of the rotating rod, the transmission belt, the transmission rod, the first bevel gear, the second bevel gear, the deflection rod and the auger, so that the material is broken up for many times to avoid agglomeration and blockage of the material.

[0015] 2. In the utility model, the deflection rod drives the linkage rod and the crushing rod to rotate during the rotation process, so as to crush the material again. The material is weighed by the weighing sensor, so that the material transportation is more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 This is a schematic diagram of the axial structure of the utility model from a first viewing angle;

[0018] Figure 2 This is a schematic diagram of the axial structure of the utility model from a second viewing angle;

[0019] Figure 3 This is a schematic diagram of the structure of the first crushing roller, the second crushing roller and the crushing roller of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the deflection rod and the auger in the utility model.

[0021] In the figure: 1. fixed frame; 2. fixed frame; 3. rotating gear; 4. motor; 5. transmission gear; 6. rotating rod; 7. fixed plate; 8. transmission belt; 9. transmission rod; 10. first bevel gear; 11. second bevel gear; 12. deflection rod; 13. feed pipe; 14. support frame; 15. weighing sensor; 16. collection frame; 17. positioning plate; 18. shielding plate; 19. first crushing roller; 20. second crushing roller; 21. crushing roller; 22. auger; 23. feed inlet; 24. filter plate; 25. linkage rod; 26. tilting plate; 27. crushing rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] Example 1: Reference Figure 1-4 The precise metering pneumatic conveying device shown in the figure comprises a fixed frame 1 and a motor 4, a feeding pipe 13 is provided through the inner side of the fixed frame 1, a feeding port 23 is provided on the outer side of the feeding pipe 13, a feeding assembly is provided in the feeding pipe 13; the feeding assembly comprises a deflection rod 12 which passes through the feeding pipe 13, a screw 22 is fixedly connected to the outer side of the deflection rod 12, a filter plate 24 is fixedly connected to the inner wall side of the feeding pipe 13, a first crushing roller 19 is rotatably connected to the inner wall side of the fixed frame 1, a second crushing roller 20 which matches the first crushing roller 19 is rotatably connected to the inner wall side of the fixed frame 1, and the first crushing roller 20 which matches the first crushing roller 19 is rotatably connected to the inner wall side of the fixed frame 1. The crushing roller 19, the second crushing roller 20 and the crushing roller 21 cooperate to break up the material, and the material is transported to the top of the feeding pipe 13 through the deflection rod 12 and the auger 22, and the unbroken material is broken up again; one end of the first crushing roller 19 is fixedly connected to a connecting rod, and the connecting rod passes through a fixed frame 1, the output end of the motor 4 is fixedly connected to the connecting rod, and the outer side of the connecting rod is fixedly connected to a rotating gear 3, and one end of the second crushing roller 20 is fixedly connected to a rotating rod 6 passing through the fixed frame 1, and the outer side of the rotating rod 6 is fixedly connected to a transmission gear 5 meshing with the rotating gear 3, and the rotating rod 6 rotates. During the process, the transmission rod 9 and the first bevel gear 10 are driven to rotate by the transmission belt 8, and the deflection rod 12, the auger 22, the linkage rod 25 and the crushing rod 27 are driven to rotate by the first bevel gear 10; the top of the fixed frame 1 is fixedly connected with a fixed plate 7, the inner side of the fixed plate 7 is penetrated with a transmission rod 9, one end of the transmission rod 9 is fixedly connected with the first bevel gear 10, and the top of the deflection rod 12 is fixedly connected with the second bevel gear 11 meshing with the first bevel gear 10, and the transmission rod 9 is driven to rotate by the cooperation of the first bevel gear 10 and the second bevel gear 11; the outer side of the rotating rod 6 is provided with a transmission belt 8, and the transmission belt 8 is arranged on the transmission rod 9; the inner wall side of the fixed frame 1 is fixedly connected with an inclined plate 26, the outer side of the inclined plate 26 is fixedly connected with a pair of positioning plates 17, the side of the positioning plate 17 is fixedly connected with a shielding plate 18, the inner wall side of the fixed frame 1 is rotatably connected with a crushing roller 21 meshing with the first crushing roller 19, and the material is crushed again by the crushing roller 21 and the inclined plate 26; the deflection rod 12 is penetrated by a filter plate 24, the bottom end of the deflection rod 12 is fixedly connected with a linkage rod 25, the outer side of the linkage rod 25 is fixedly connected with a crushing rod 27, and the linkage rod 12 drives the crushing rod 27 to cooperate with the inclined plate 26 to crush the material.

[0025] In this embodiment, the material is introduced into the fixed frame 1 through the feed port, the control motor 4 drives the connecting rod, the rotating gear 3 and the first crushing roller 19 to rotate, the rotating gear 3 drives the transmission gear 5, the rotating rod 6 and the second crushing roller 20 to rotate, the first crushing roller 19 and the second crushing roller 20 cooperate to initially break up the material, the material falls on the inclined plate 26, the first crushing roller 19 drives the rolling roller 21 to rotate, the rolling roller 21 cooperates with the inclined plate 26 to break up the material again, the material enters the feed pipe 13 through the feed port 23, and the rotating rod 6 is in the process of rotating. The transmission rod 9 and the first bevel gear 10 are driven to rotate by the transmission belt 8, and the deflection rod 12, the auger 22, the linkage rod 25 and the crushing rod 27 are driven to rotate by the first bevel gear 10. The broken materials are discharged through the filter plate 24, and the materials are broken again by the crushing rod 27. The unbroken materials move upward through the auger 22 and are discharged through the top of the feed pipe 13. The materials are broken several times by the first crushing roller 19, the second crushing roller 20 and the crushing roller 21. The materials are introduced into the aggregate frame 16 through the feed pipe 13, and the materials are weighed by the weighing sensor 15.

[0026] Example 2: Reference Figure 1-4 Based on the same concept as the above-mentioned embodiment 1, this embodiment further proposes that a fixing frame 2 is fixedly connected to the outer side of the fixing frame 1, the motor 4 is fixedly connected to the inner wall of the fixing frame 2, a supporting frame 14 is fixedly connected to the outer side of the fixing frame 1, a weighing sensor 15 is arranged on the inner wall of the supporting frame 14, and a collecting frame 16 is arranged on the outer side of the weighing sensor 15.

[0027] In this embodiment, the material in the material collection frame 16 is weighed by the weighing sensor 15, so that the material can be weighed and transported accurately.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A precise metering pneumatic conveying device, comprising a fixed frame (1) and a motor (4), characterized in that: A material delivery pipe (13) is provided through the inner side of the fixed frame (1), a material feed port (23) is provided on the outer side of the material delivery pipe (13), and a material delivery component is provided in the material delivery pipe (13); The feeding assembly comprises a deflection rod (12) passing through the feeding pipe (13); an auger (22) is fixedly connected to the outer side of the deflection rod (12); a filter plate (24) is fixedly connected to the inner wall side of the feeding pipe (13); a first crushing roller (19) is rotatably connected to the inner wall side of the fixed frame (1); and a second crushing roller (20) that cooperates with the first crushing roller (19) is rotatably connected to the inner wall side of the fixed frame (1).

2. A precise metering pneumatic conveying device according to claim 1, characterized in that: One end of the first crushing roller (19) is fixedly connected to a connecting rod, the connecting rod passes through the fixed frame (1), the output end of the motor (4) is fixedly connected to the connecting rod, the outer side of the connecting rod is fixedly connected to a rotating gear (3), and one end of the second crushing roller (20) is fixedly connected to a rotating rod (6) passing through the fixed frame (1), and the outer side of the rotating rod (6) is fixedly connected to a transmission gear (5) meshing with the rotating gear (3).

3. A precise metering pneumatic conveying device according to claim 2, characterized in that: A fixing plate (7) is fixedly connected to the top of the fixing frame (1), a transmission rod (9) is passed through the inner side of the fixing plate (7), one end of the transmission rod (9) is fixedly connected to a first bevel tooth (10), and a top end of the deflection rod (12) is fixedly connected to a second bevel tooth (11) meshing with the first bevel tooth (10).

4. A precise metering pneumatic conveying device according to claim 3, characterized in that: A transmission belt (8) is arranged on the outer side of the rotating rod (6), and the transmission belt (8) is arranged on the outer side of the transmission rod (9).

5. A precise metering pneumatic conveying device according to claim 4, characterized in that: The inner wall side of the fixed frame (1) is fixedly connected to an inclined plate (26), the outer side of the inclined plate (26) is fixedly connected to a pair of positioning plates (17), the side of the positioning plate (17) is fixedly connected to a shielding plate (18), and the inner wall side of the fixed frame (1) is rotatably connected to a crushing roller (21) meshing with the first crushing roller (19).

6. The precise metering pneumatic conveying device according to claim 1, characterized in that: The deflection rod (12) passes through the filter plate (24), the bottom end of the deflection rod (12) is fixedly connected to a linkage rod (25), and the outer side of the linkage rod (25) is fixedly connected to a crushing rod (27).

7. The precise metering pneumatic conveying device according to claim 1, characterized in that: The outer side of the fixed frame (1) is fixedly connected to a fixed frame (2), the motor (4) is fixedly connected to the inner wall of the fixed frame (2), the outer side of the fixed frame (1) is fixedly connected to a support frame (14), a weighing sensor (15) is arranged on the inner wall of the support frame (14), and a material collecting frame (16) is arranged on the outer side of the weighing sensor (15).

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