Non-quantitative object removing device of belt weigher

Abstract

The utility model relates to the technical field of belt weighers, and discloses a non-quantitative object removing device of a belt weigher. The non-quantitative material removing device of the belt weigher comprises a bottom plate, a connecting rod is fixedly installed above the bottom plate, a supporting column is fixedly installed on the connecting rod, a fixing block is installed above the supporting column in a penetrating mode, a material storage bin is installed in the fixing block in a penetrating mode, a discharging valve is fixedly installed below the material storage bin, and the discharging valve is fixedly installed on the bottom plate. A fixed frame is fixedly installed on the discharging valve, the screen is fixed into the screening pipe in an inclined state through a fixed plate obliquely installed in the screening pipe, and when materials fall onto the screen from the upper portion, the materials larger than the aperture of the screen can be intercepted by the screen and enter a guide groove along the screen under the action of the gravity of the materials. And the materials smaller than the aperture of the screen mesh can penetrate through the screen mesh and continue to move downwards, so that the effect of preventing the materials from blocking the screen mesh is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of belt scales, in particular to a non-quantitative object rejecting device for belt scales. Background Art

[0002] The belt scale can continuously weigh various bulk, granular, powdery materials. Dynamic metering equipment is used for batch feeding and batching. There is a weighing sensor installed on the weighing bridge on the belt scale. When working, the weight of the material on the belt is detected and sent to the weighing instrument. At the same time, the speed signal of the belt conveyor from the speed sensor is also sent to the weighing instrument. The instrument integrates the speed signal and the weighing signal to obtain the instantaneous flow rate and the cumulative amount. The speed sensor is directly connected to the large-diameter speed measuring roller to provide a series of pulses. Each pulse represents a belt motion unit. The frequency of the pulse is proportional to the belt speed. The weighing instrument receives signals from the weighing sensor and the speed sensor, and obtains an instantaneous flow value and cumulative weight value through integral calculation, and displays them separately.

[0003] The existing referenceable Chinese utility model patent with announcement number: CN213792722U discloses a particle screening device, including a screening box, a first fixed plate is fixedly connected to the top of the inner wall of the screening box, and a feed hopper is inserted on the top of the first fixed plate, a second fixed plate is fixedly connected to the middle of the inner wall of the screening box, and a third fixed plate is arranged below the second fixed plate, the second fixed plate and the third fixed plate are both sleeved with a screening tube, and the outer wall of the screening tube near the top is plugged with a first screening component, and the outer wall of the other side of the screening tube near the bottom is plugged with a second screening component, and the first screening component and the second screening component both include a connecting plate. In the utility model, since the apertures of the filter screen of the first screening component and the filter screen of the second screening component provided in the screening tube are different, the large-volume particles are first screened by the first screening component, and the medium-volume particles are screened by the second screening component, and finally the small-volume particles are obtained through the discharge hopper.

[0004] Since the materials weighed by the belt scale may be mixed with other granular or powdered substances, if they are not removed, the actual content of the material in the weighed material will be affected, affecting subsequent proportioning operations. The existing screening device will still have fine particles in the material after screening, and the material within a certain size range cannot be discharged. In addition, the material intercepted by the screen will accumulate above the screen, affecting the screening operation of the screen. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a non-quantitative object removal device for a belt scale, which has a low probability of screen clogging and can remove fine particles in the material, thereby solving the above-mentioned technical problems.

[0007] (II) Technical solution

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] The discharging control device of the present invention is a kind of control device for detecting non-quantitative objects in a belt scale, comprising: a base plate, a connecting rod is fixedly installed on the top of the base plate, and a supporting column is fixedly installed on the connecting rod, a fixing block is inserted and installed on the top of the supporting column, and a material storage bin is inserted and installed inside the fixing block, a discharge valve is fixedly installed below the material storage bin, and a fixing frame is fixedly installed on the discharge valve, a discharge motor is inserted and installed on the fixing frame, and a discharge shaft is fixedly installed on the discharge motor, and a receiving frame is fixedly installed on the supporting column, characterized in that a connecting pipe is embedded and installed inside the receiving frame, and a screening pipe is movably installed below the connecting pipe, a fixing plate is inserted and installed on the screening pipe, a guide groove is inserted and installed on the screening pipe, and a baffle is embedded and installed on the guide groove, a receiving pipe is fixedly installed below the screening pipe, and a screen is embedded and installed on the fixing plate; the discharging motor can drive the discharging shaft to rotate.

[0010] As a preferred technical solution of the utility model, three screening tubes are movably installed below the connecting tube, and bearings are embedded and installed between the screening tubes, between the screening tube and the connecting tube, and between the screening tube and the receiving tube; the bearings can allow the screening tube to rotate.

[0011] As a preferred technical solution of the present invention, the top end of the screen tube is provided with an annular protrusion structure, and the bottom end of the screen tube is provided with an annular groove structure. The top end of the screen tube can be inserted and installed inside the bearing, and the bearing can be inserted and installed in the groove structure at the bottom of the screen tube; the top end of the screen tube is provided with an annular protrusion structure to fix the bearing.

[0012] As the preferred technical solution of the utility model, the screening pipe is rotatably connected to the connecting pipe and the receiving pipe through bearings, the inclination angle between the fixed plate and the guide groove is thirty degrees, and the top of the guide groove is provided with an arc surface structure with the same curvature as the inner wall of the screening pipe, and the guide groove can guide the material to the outside of the screening pipe.

[0013] As the preferred technical solution of the utility model, the base plate is symmetrically installed on the left and right sides of the storage bin with the center of the storage bin as the reference, the connecting rod is symmetrically installed on the left and right sides of the support column with the center of the support column as the reference, and the bottom end of the support column is fixedly connected to the top surface of the base plate; the connecting rod can prevent the support column from tipping over.

[0014] As a preferred technical solution of the utility model, a sliding connection is formed between the fixed plate and the screening tube, and a sliding connection is formed between the baffle and the guide groove; the baffle can prevent materials from falling.

[0015] As the preferred technical solution of the utility model, the receiving frame is installed on the connecting pipe and the receiving tube in an upper and lower mirror image with the center of the screening pipe as the reference, and the left and right sides of the receiving frame are fixedly connected to the support column; the receiving frame can fix the connecting pipe and the receiving tube.

[0016] Compared with the prior art, the utility model provides a non-quantitative object rejection device for a belt scale, which has the following beneficial effects:

[0017] 1. The utility model fixes the screen in an inclined state inside the screen pipe by means of a fixing plate installed obliquely inside the screen pipe. When the material falls onto the screen from above, the material larger than the screen aperture will be intercepted by the screen and enter the inside of the guide groove along the screen under the action of its own gravity and be discharged from the screen pipe through the guide groove, while the material smaller than the screen aperture will pass through the screen and continue to move downward to prevent the material from blocking the screen.

[0018] 2. The utility model can achieve the effect of grading materials by installing screens with different apertures in the screen pipes through the stacking installation of the screen pipes. The setting of the bearing can enable the screen pipe to drive the guide groove to rotate with the center of the bearing as the reference. The materials intercepted by the screen can be discharged from the inside of the screen pipe through the guide groove through the inclined guide groove and the screen. The discharge direction of the materials intercepted by the screen can be controlled by controlling the rotation angle of the screen pipe to control the non-quantitative objects larger than the aperture of the screen and smaller than the aperture of the screen can be removed to achieve the effect of discharging materials within a large and small range. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the installation structure of the unloading valve of the utility model;

[0021] Figure 3 This is a schematic diagram of the screen pipe connection structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the cross-sectional structure of the screening frame of the utility model;

[0023] Among them: 1. bottom plate; 11. connecting rod; 12. supporting column; 2. fixing block; 21. storage bin; 22. unloading valve; 23. fixing frame; 24. unloading motor; 25. unloading shaft; 3. receiving frame; 31. connecting pipe; 32. screening pipe; 33. fixing plate; 34. guide groove; 35. baffle; 36. receiving pipe; 37. bearing; 38. screen. DETAILED DESCRIPTION

[0024] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0025] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it 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 an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] See also Figure 1 — Figure 4 In this embodiment, a belt scale non-quantitative object rejection device includes:

[0028] A base plate 1 is provided, a connecting rod 11 is fixedly installed on the top of the base plate 1, and a supporting column 12 is fixedly installed on the connecting rod 11, a fixed block 2 is inserted and installed on the top of the supporting column 12, and a storage bin 21 is inserted and installed inside the fixed block 2, a discharge valve 22 is fixedly installed below the storage bin 21, and a fixed frame 23 is fixedly installed on the discharge valve 22, a discharge motor 24 is inserted and installed on the fixed frame 23, and a discharge shaft 25 is fixedly installed on the discharge motor 24.

[0029] The base plate 1 is symmetrically installed on the left and right sides of the storage bin 21 with the center of the storage bin 21 as the reference, and the connecting rod 11 is symmetrically installed on the left and right sides of the support column 12 with the center of the support column 12 as the reference, and the bottom end of the support column 12 is fixedly connected to the top surface of the base plate 1.

[0030] A receiving frame 3 is fixedly installed on the supporting column 12, a connecting pipe 31 is embedded in the inside of the receiving frame 3, and a screening pipe 32 is movably installed below the connecting pipe 31, a fixing plate 33 is inserted into the screening pipe 32, a guide groove 34 is inserted into the screening pipe 32, and a baffle 35 is embedded in the guide groove 34, a receiving pipe 36 is fixedly installed below the screening pipe 32, and a screen 38 is embedded in the fixing plate 33.

[0031] The receiving frame 3 is installed on the connecting pipe 31 and the receiving pipe 36 in a mirror-image manner with the center of the screening pipe 32 as a reference, and both left and right sides of the receiving frame 3 are fixedly connected to the supporting column 12 .

[0032] Three screening tubes 32 are movably installed below the connecting tube 31 , and bearings 37 are embedded and installed between the screening tubes 32 , between the screening tube 32 and the connecting tube 31 , and between the screening tube 32 and the receiving tube 36 .

[0033] The top of the sieve tube 32 is provided with an annular protrusion structure, and the bottom of the sieve tube 32 is provided with an annular groove structure. The top of the sieve tube 32 can be inserted and installed inside the bearing 37, and the bearing 37 can be inserted and installed in the groove structure at the bottom of the sieve tube 32.

[0034] The screening tube 32 is rotatably connected to the connecting tube 31 and the receiving tube 36 via a bearing 37 . The inclination angle between the fixing plate 33 and the guide groove 34 is thirty degrees. The top of the guide groove 34 is provided with an arc surface structure having the same arc as the inner wall of the screening tube 32 .

[0035] The fixing plate 33 and the screening tube 32 are in sliding connection with each other, and the baffle plate 35 and the guide groove 34 are in sliding connection with each other.

[0036] Specifically, the bottom plate 1 can support the connecting rod 11 and the support column 12 and prevent the support column 12 from tipping over, the fixed block 2 can fix the storage bin 21 on the support column 12, the discharge valve 22 can limit the falling amount of the material by driving the discharge shaft 25 to rotate through the discharge motor 24, the fixed frame 23 can fix the discharge motor 24 to the front side of the discharge valve 22, the receiving frame 3 can support the connecting pipe 31 and the receiving pipe 36, the screening pipe 32 can fix the screen 38 through the fixed plate 33, the guide groove 34 can discharge the material intercepted by the screen 38 out of the screening pipe 32, the baffle 35 can prevent the material from being discharged from the guide groove 34, the receiving pipe 36 can concentrate the falling material, and the bearing 37 can allow the screening pipe 32 to rotate.

[0037] When in use, firstly, it is necessary to install the screen 38 of appropriate size inside the screen tube 32, so that the aperture of the screen 38 inside the bottom screen tube 32 is smaller than the material size, and the aperture of the screen 38 inside the middle screen tube 32 is slightly larger than the material size, and the aperture of the screen 38 inside the top screen tube 32 is larger than the aperture of the screen 38 inside the middle screen tube 32, and then the bottom screen tube 32 is rotated by the bearing 37, so that the guide groove 34 inserted and installed on the bottom screen tube 32 is located above the belt scale, and the guide grooves 34 inserted and installed on the remaining screen tubes 32 are moved away from the top of the belt scale by rotation, and then the material is poured into the storage bin 21 at the top, and the baffle 35 is removed from the inside of the guide groove 34 by sliding, and then the unloading motor 24 is turned on, The unloading motor 24 will drive the unloading shaft 25 to rotate, and the material above the unloading shaft 25 will move to the bottom of the unloading shaft 25 by rotation, so that the material will fall into the inside of the screen pipe 32 under the action of gravity, and the screen 38 inside the screen pipe 32 will make the particles larger than the aperture of the screen 38 stay above the screen 38. Since the screen 38 is installed at an angle, the particles intercepted by the screen 38 will enter the inside of the guide groove 34 under the combined action of gravity and the screen 38, and be discharged from the inside of the screen pipe 32 through the guide groove 34. The material will be blocked by the screen 38 inside the lowest screen pipe 32 and move to the top of the belt scale through the guide groove 34, while the particles smaller than the material size will pass through the screen 38 and fall into the inside of the receiving tube 36, and be discharged from the bottom of the receiving tube 36.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A belt scale non-quantitative object rejection device, comprising: A bottom plate (1), a connecting rod (11) is fixedly mounted on the top of the bottom plate (1), and a supporting column (12) is fixedly mounted on the connecting rod (11), a fixing block (2) is inserted and mounted on the top of the supporting column (12), and a material storage bin (21) is inserted and mounted inside the fixing block (2), a discharge valve (22) is fixedly mounted on the bottom of the material storage bin (21), and a fixing frame (23) is fixedly mounted on the discharge valve (22), a discharge motor (24) is inserted and mounted on the fixing frame (23), and a discharge shaft (25) is fixedly mounted on the discharge motor (24), A receiving frame (3) is fixedly mounted on the support column (12), and is characterized in that a connecting pipe (31) is embedded in the interior of the receiving frame (3), and a screening pipe (32) is movably mounted below the connecting pipe (31), a fixing plate (33) is inserted through the screening pipe (32), a guide groove (34) is inserted through the screening pipe (32), and a baffle (35) is embedded in the guide groove (34), a receiving pipe (36) is fixedly mounted below the screening pipe (32), and a screening mesh (38) is embedded in the fixing plate (33).

2. A belt scale non-quantitative object rejection device according to claim 1, characterized in that: Three screening tubes (32) are movably installed below the connecting tube (31), and bearings (37) are embedded and installed between the screening tubes (32), between the screening tubes (32) and the connecting tube (31), and between the screening tubes (32) and the receiving tube (36).

3. A belt scale non-quantitative object rejection device according to claim 2, characterized in that: The top end of the sieve tube (32) is provided with an annular protrusion structure, and the bottom end of the sieve tube (32) is provided with an annular groove structure. The top end of the sieve tube (32) can be inserted and installed inside the bearing (37), and the bearing (37) can be inserted and installed in the groove structure at the bottom of the sieve tube (32).

4. The non-quantitative object rejection device for a belt scale according to claim 1, characterized in that: The screening tube (32) is connected to the connecting tube (31) and the receiving tube (36) in a circumferentially rotatable manner via a bearing (37); the inclination angle between the fixing plate (33) and the guide groove (34) is thirty degrees; and the top end of the guide groove (34) is provided with a curved surface structure having the same curvature as the inner wall of the screening tube (32).

5. The non-quantitative object rejection device for a belt scale according to claim 1, characterized in that: The base plate (1) is symmetrically installed on the left and right sides of the storage bin (21) with the center of the storage bin (21) as a reference, and the connecting rod (11) is symmetrically installed on the left and right sides of the support column (12) with the center of the support column (12) as a reference, and the bottom end of the support column (12) is fixedly connected to the top surface of the base plate (1).

6. The non-quantitative object rejection device for a belt scale according to claim 1, characterized in that: The fixing plate (33) and the screening tube (32) are in sliding connection with each other, and the baffle plate (35) and the guide groove (34) are in sliding connection with each other.

7. The non-quantitative object rejection device for a belt scale according to claim 1, characterized in that: The receiving frame (3) is mounted on the connecting pipe (31) and the receiving pipe (36) in a mirror-image manner with the center of the screening pipe (32) as a reference, and the left and right sides of the receiving frame (3) are fixedly connected to the supporting column (12).

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