Quantitative dry powder adding device

Abstract

The utility model discloses a quantitative dry powder feeding device, and belongs to the technical field of dry powder feeding. Comprising a material collecting tank, one side of the material collecting tank is communicated with a material conveying module, one side of the material conveying module is communicated with a quantifying tank, the bottom of the quantifying tank is communicated with a discharging pipe, the outer wall of the discharging pipe is connected with a protection box, an anti-blocking device is arranged on the inner wall of the protection box, the anti-blocking device comprises a second motor, and an output shaft of the second motor is connected with a connecting rod. The outer wall of the connecting rod is connected with a rotating block, and the outer wall of the rotating block is connected with a plurality of vertical plates; according to the device, the anti-blocking device is arranged, a second motor drives a connecting rod to rotate, the connecting rod drives a rotating block to rotate, then the rotating block drives a vertical plate to rotate, the vertical plate drives a knocking block to move through a moving block of a moving groove, and therefore the knocking block strikes a discharging pipe, and after quantification is completed, the discharging pipe is knocked out. And blocking of the discharging pipe due to mutual extrusion and friction of the dry powder on the inner wall is avoided, so that the conveying efficiency is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of dry powder dosing, in particular to a quantitative dry powder dosing device. Background Art

[0002] Dry powder materials are widely used in many fields such as mineral processing, chemical production, and construction. During the use of dry powder materials, a dosing device is usually used to add the dry powder materials in the silo to the production equipment for subsequent production.

[0003] The utility model of Chinese application number: 202223493674.9 discloses a dry powder quantitative dosing device, which relates to the field of dry powder dosing devices. The dry powder quantitative dosing device comprises a silo and a conveying pipe. A discharge valve is arranged at the bottom of the silo, and the conveying pipe is arranged below the silo. The feed end of the conveying pipe is connected with the discharge valve. A dosing component is arranged at the lower right of the conveying pipe. The dosing component comprises a quantitative cylinder and a limit plate. A control mechanism is arranged at the top of the quantitative cylinder. The limit plate is slidably arranged on the inner side of the quantitative cylinder. A telescopic tube connected with the discharge end of the conveying pipe is arranged at the left end of the limit plate, and a switch mechanism is arranged at the right end of the limit plate. However, in actual use, due to friction between the dry powders, the dry powders may block the discharge port, thereby affecting the dosing efficiency. Utility Model Content

[0004] The utility model aims to solve the problem that dry powder blockage affects the dosing efficiency and proposes a quantitative dry powder dosing device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a quantitative dry powder dosing device, including a collecting tank, one side of the collecting tank is connected to a feeding module, one side of the feeding module is connected to a quantitative tank, the bottom of the quantitative tank is connected to a feeding pipe, the outer wall of the feeding pipe is connected to a protective box, the inner wall of the protective box is provided with an anti-blocking device, the anti-blocking device includes a second motor, the output shaft of the second motor is connected to a connecting rod, the outer wall of the connecting rod is connected to a rotating block, the outer wall of the rotating block is connected to a plurality of vertical plates, and a moving groove is provided on one side of the opposite surfaces of two vertical plates on the same side, a moving block is slidably connected in the moving groove, a sliding sleeve is embedded in the moving block, and a sliding rod is slidably connected in the sliding sleeve, the outer wall of the sliding rod is sleeved with a first spring, and a knocking block is connected between the two moving blocks.

[0006] As a further description of the above technical solution:

[0007] The two ends of the slide bar are respectively connected to the two sides of the inner wall of the moving groove, and the two ends of the first spring are respectively connected to one side of the moving block and one side of the inner wall of the moving groove, and the two sides of the knocking block are respectively fitted with one side of the two vertical plates on the same side.

[0008] As a further description of the above technical solution:

[0009] One side of the second motor is fixedly installed with one side of the outer wall of the protection box, and the output shaft of the second motor extends into the protection box, and one end of the connecting rod away from the second motor is rotatably connected with one side of the inner wall of the protection box.

[0010] As a further description of the above technical solution:

[0011] A first motor is fixedly installed on the top of the quantitative tank, and the output shaft of the first motor extends into the quantitative tank and is connected to a driving wheel. A driven wheel is meshed on one side of the driving wheel, and one side of the driven wheel is rotatably connected to the top of the inner wall of the quantitative tank, and a scraping device is connected to the bottom of the driven wheel.

[0012] As a further description of the above technical solution:

[0013] The scraping device includes a rotating rod, the outer wall of the rotating rod is connected to two connecting rings, the outer wall of the connecting ring is connected to two connecting plates, an extension groove is provided in the connecting plate, an extension block is slidably connected in the extension groove, one side of the extension block is connected to a connecting block, and one side of two connecting blocks on the same side are connected to the same scraper, one side of the extension block is provided with a fixing groove, and a fixing rod is slidably connected in the fixing groove, and a second spring is sleeved on the outer wall of the fixing rod.

[0014] As a further description of the above technical solution:

[0015] The top of the rotating rod is connected to the bottom of the driven wheel, and the other end of the fixed rod is connected to one side of the inner wall of the extension groove, and the two ends of the second spring are respectively connected to one side of the inner wall of the extension groove and one side of the extension block, and one side of the scraper is in contact with the inner wall of the quantitative tank.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0017] 1. In the utility model, an anti-blocking device is provided, the second motor drives the connecting rod to rotate, the connecting rod drives the rotating block to rotate, and then the rotating block drives the vertical plate to rotate, and the vertical plate drives the knocking block to move through the moving block of the moving groove, so that the knocking block hits the feed pipe, and then after the quantitative completion, the feed pipe is prevented from being blocked due to the mutual squeezing and friction of the dry powder on the inner wall, thereby ensuring the feeding efficiency.

[0018] 2. In the utility model, a scraping device is provided, the first motor drives the driving wheel to rotate, and then the driven wheel drives the rotating rod to rotate, the rotating rod drives the connecting plate to rotate through the connecting ring, the connecting plate drives the extension block to rotate, and then the scraper is driven to rotate through the connecting block, so that the scraper scrapes the inner wall of the quantitative tank to prevent the dry powder remaining on the inner wall of the quantitative tank from affecting the subsequent quantitative measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a quantitative dry powder dosing device proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of a feed pipe of a quantitative dry powder dosing device proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the anti-blocking device structure of a quantitative dry powder dosing device proposed by the utility model;

[0022] Figure 4 A quantitative dry powder dosing device proposed by the utility model Figure 3 The enlarged structural diagram of part A in the middle;

[0023] Figure 5 This is a schematic diagram of the structure of a scraping device of a quantitative dry powder dosing device proposed by the utility model;

[0024] Figure 6 The utility model provides a schematic diagram of the extension tank structure of a quantitative dry powder dosing device.

[0025] Legend: 1. Aggregate tank; 2. Feeding module; 3. Metering tank; 4. Feeding pipe; 5. Protective box; 6. Driven wheel; 7. First motor; 8. Anti-blocking device; 801. Rotating block; 802. Vertical plate; 803. Connecting rod; 804. Knocking block; 805. Moving block; 806. Sliding rod; 807. First spring; 808. Moving groove; 809. Second motor; 9. Sweeping device; 901. Scraper; 902. Connecting plate; 903. Rotating rod; 904. Connecting ring; 905. Connecting block; 906. Extension block; 907. Fixed rod; 908. Second spring; 909. Extension groove; 10. Driving wheel. DETAILED DESCRIPTION

[0026] 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 of 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.

[0027] See also Figure 1 - Figure 6The utility model provides a technical solution: a quantitative dry powder dosing device, including a collection tank 1, one side of the collection tank 1 is connected to a feeding module 2, one side of the feeding module 2 is connected to a quantitative tank 3, the bottom of the quantitative tank 3 is connected to a feeding pipe 4, the outer wall of the feeding pipe 4 is connected to a protective box 5, the inner wall of the protective box 5 is provided with an anti-blocking device 8, the anti-blocking device 8 includes a second motor 809, the output shaft of the second motor 809 is connected to a connecting rod 803, the outer wall of the connecting rod 803 is connected to a rotating block 801, the outer wall of the rotating block 801 is connected to a plurality of vertical plates 802, and the opposite sides of the two vertical plates 802 on the same side are both provided with a moving groove 808, the moving groove 808 is slidably connected with a moving block 805, and the moving A sliding sleeve is embedded in block 805, and a sliding rod 806 is slidably connected in the sliding sleeve, a first spring 807 is sleeved on the outer wall of the sliding rod 806, and a knocking block 804 is connected between the two moving blocks 805, two ends of the sliding rod 806 are respectively connected to the two sides of the inner wall of the moving groove 808, and two ends of the first spring 807 are respectively connected to one side of the moving block 805 and one side of the inner wall of the moving groove 808, and two sides of the knocking block 804 are respectively fitted with one side of the two vertical plates 802 on the same side, one side of the second motor 809 is fixedly installed on one side of the outer wall of the protective box 5, and the output shaft of the second motor 809 extends into the protective box 5, and the end of the connecting rod 803 away from the second motor 809 is rotatably connected to one side of the inner wall of the protective box 5.

[0028] In a specific implementation manner, a sliding rod 806 is provided, and through the support of the sliding rod 806, when the knocking block 804 contacts the discharge pipe 4 and moves inward, it drives the moving block 805 to squeeze the first spring 807, thereby preventing the first spring 807 from bending, thereby ensuring the elastic effect of the first spring 807. By providing the first spring 807, through the elasticity of the first spring 807, the moving block 805 drives the knocking block 804 to always contact the discharge pipe 4, thereby ensuring the knocking effect.

[0029] A first motor 7 is fixedly installed on the top of the quantitative tank 3, and the output shaft of the first motor 7 extends into the quantitative tank 3 and is connected to a driving wheel 10. A driven wheel 6 is meshed on one side of the driving wheel 10, and one side of the driven wheel 6 is rotatably connected to the top of the inner wall of the quantitative tank 3, and a scraping device 9 is connected to the bottom of the driven wheel 6. The scraping device 9 includes a rotating rod 903, and the outer wall of the rotating rod 903 is connected to two connecting rings 904, and the outer wall of the connecting ring 904 is connected to two connecting plates 902. An extension groove 909 is opened in the connecting plate 902, and an extension block 906 is slidably connected in the extension groove 909. The extension block A connecting block 905 is connected to one side of 906, and one side of the two connecting blocks 905 on the same side is connected to the same scraper 901, a fixed groove is provided on one side of the extension block 906, and a fixed rod 907 is slidably connected in the fixed groove, and a second spring 908 is sleeved on the outer wall of the fixed rod 907, the top of the rotating rod 903 is connected to the bottom of the driven wheel 6, and the other end of the fixed rod 907 is connected to one side of the inner wall of the extension groove 909, and the two ends of the second spring 908 are respectively connected to one side of the inner wall of the extension groove 909 and one side of the extension block 906, and one side of the scraper 901 is in contact with the inner wall of the quantitative tank 3.

[0030] In a specific implementation manner, by setting a second spring 908, the second spring 908 drives the scraper 901 to always adhere to the inner wall of the quantitative tank 3 through the extension block 906 and the connecting block 905, thereby ensuring the cleaning effect of the scraper 901. By setting a fixing rod 907, the compressed second spring 908 is prevented from shaking in the extension groove 909, thereby ensuring the resilience of the second spring 908.

[0031] Working principle: When in use, the collecting tank 1 conveys the dry powder to the quantitative tank 3 through the feeding module 2, and the quantitative tank 3 measures the dry powder, and then the measured dry powder is conveyed to the next process through the discharge pipe 4. At the same time, the second motor 809 drives the connecting rod 803 to rotate, and then the connecting rod 803 drives the vertical plate 802 to rotate through the rotating block 801, and then the vertical plate 802 drives the moving block 805 to move, and the moving block 805 drives the knocking block 804 to move and knock the outer wall of the discharge pipe 4, so that the metering is completed. The dry powder is prevented from being squeezed and clogging the discharge pipe 4, and then the first motor 7 drives the driving wheel 10 to rotate, the driving wheel 10 drives the rotating rod 903 to rotate through the driven wheel 6, the rotating rod 903 drives the connecting ring 904 to rotate, and then the connecting ring 904 drives the connecting plate 902 to rotate, the connecting plate 902 drives the extension block 906 to move, the extension block 906 drives the scraper 901 to move through the connecting block 905, and then the scraper 901 scrapes the inner wall of the quantitative tank 3 to prevent the attached dry powder from affecting the subsequent quantitative determination.

[0032] In this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance; the term "plurality" refers to two or more, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances;

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A quantitative dry powder dosing device, comprising a collecting tank (1), characterized in that: One side of the collecting tank (1) is connected to a feeding module (2), and one side of the feeding module (2) is connected to a quantitative tank (3). The bottom of the quantitative tank (3) is connected to a feeding pipe (4). The outer wall of the feeding pipe (4) is connected to a protection box (5). The inner wall of the protection box (5) is provided with an anti-blocking device (8). The anti-blocking device (8) includes a second motor (809). The output shaft of the second motor (809) is connected to a connecting rod (803). The outer wall of the connecting rod (803) is connected to a rotating block (809). 1), the outer wall of the rotating block (801) is connected to a plurality of vertical plates (802), and a moving groove (808) is provided on one side of the opposite surface of two vertical plates (802) on the same side, a moving block (805) is slidably connected in the moving groove (808), a sliding sleeve is embedded in the moving block (805), and a sliding rod (806) is slidably connected in the sliding sleeve, a first spring (807) is sleeved on the outer wall of the sliding rod (806), and a knocking block (804) is connected between the two moving blocks (805).

2. A quantitative dry powder dosing device according to claim 1, characterized in that: The two ends of the slide bar (806) are respectively connected to the two sides of the inner wall of the moving groove (808), and the two ends of the first spring (807) are respectively connected to one side of the moving block (805) and one side of the inner wall of the moving groove (808), and the two sides of the knocking block (804) are respectively in contact with one side of the two vertical plates (802) on the same side.

3. A quantitative dry powder dosing device according to claim 1, characterized in that: One side of the second motor (809) is fixedly mounted to one side of the outer wall of the protection box (5), and the output shaft of the second motor (809) extends into the protection box (5), and one end of the connecting rod (803) away from the second motor (809) is rotatably connected to one side of the inner wall of the protection box (5).

4. A quantitative dry powder dosing device according to claim 1, characterized in that: A first motor (7) is fixedly mounted on the top of the quantitative tank (3); an output shaft of the first motor (7) extends into the quantitative tank (3) and is connected to a driving wheel (10); a driven wheel (6) is meshed on one side of the driving wheel (10); one side of the driven wheel (6) is rotatably connected to the top of the inner wall of the quantitative tank (3); and a scraping device (9) is connected to the bottom of the driven wheel (6).

5. A quantitative dry powder dosing device according to claim 4, characterized in that: The scraping device (9) comprises a rotating rod (903), the outer wall of the rotating rod (903) is connected to two connecting rings (904), the outer wall of the connecting ring (904) is connected to two connecting plates (902), an extension groove (909) is provided in the connecting plate (902), an extension block (906) is slidably connected in the extension groove (909), one side of the extension block (906) is connected to a connecting block (905), and one side of two connecting blocks (905) on the same side are connected to the same scraper (901), one side of the extension block (906) is provided with a fixing groove, and a fixing rod (907) is slidably connected in the fixing groove, and a second spring (908) is sleeved on the outer wall of the fixing rod (907).

6. A quantitative dry powder dosing device according to claim 5, characterized in that: The top of the rotating rod (903) is connected to the bottom of the driven wheel (6), and the other end of the fixed rod (907) is connected to one side of the inner wall of the extension groove (909), and the two ends of the second spring (908) are respectively connected to one side of the inner wall of the extension groove (909) and one side of the extension block (906), and one side of the scraper (901) is in contact with the inner wall of the quantitative tank (3).

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