Belt weigher calibration device suitable for high belt speed

Abstract

The utility model discloses a belt weigher calibration device suitable for high belt speed, which comprises a belt weigher assembly, a calibration structure is fixed on the belt weigher assembly and is used for calibrating a belt weigher, a cleaning assembly is arranged on the lower side of the belt weigher assembly and is used for cleaning a belt body, and the calibration structure comprises a speed measurement sensor body. The speed measurement sensor body is located on one side of the gravity sensor box body, the gravity sensor body embedded in the gravity sensor box body is attached to the belt body, and the auxiliary verification assembly is fixed to the upper side of the gravity sensor box body. The belt scale verification device suitable for the high belt speed is provided with the correction and verification structure, monitoring and verification are carried out at the same time through multiple sets of speed measurement sensor bodies and gravity sensor bodies, verification accuracy is guaranteed, under the auxiliary effect of the auxiliary verification assembly, the gravity sensor bodies weigh weights on the belt body, and the verification accuracy is improved. Therefore, the test data are compared according to the self-gravity of the weights, the verification accuracy is verified, and the accuracy of the weighing data of the high-belt-speed belt scale is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of belt scales, in particular to a belt scale calibration device suitable for high belt speeds. Background Art

[0002] A belt scale is an automatic weighing machine that continuously weighs bulk materials on a conveyor belt without having to subdivide the mass or interrupt the movement of the conveyor belt. When calibrating existing high-speed belt scales, the items on the belt are weighed and corrected directly through gravity sensors, and there is no other method to assist in verifying the accuracy, which affects the quality of the entire belt scale. In addition, the surface of existing belt scales is not cleaned before and after use, and the surface covering also affects the accuracy of the belt scale. Utility Model Content

[0003] The purpose of the utility model is to provide a belt scale calibration device suitable for high belt speeds to solve the problem that when the existing high belt speed belt scale sections are calibrated, the items on the belt are weighed and calibrated directly through a gravity sensor, and there is no other method to assist in verifying the accuracy, which affects the use quality of the entire belt scale, and the existing belt scales are not cleaned before and after use, and the surface covering also affects the accuracy of the belt scale.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a belt scale calibration device suitable for high belt speeds, comprising a belt scale assembly, a correction structure is fixed on the belt scale assembly and is used to calibrate the belt scale, a cleaning assembly is arranged on the lower side of the belt scale assembly and is used to clean the belt body, the correction structure comprises a speed sensor body, the speed sensor body is located on one side of a gravity sensor box, the gravity sensor body embedded in the gravity sensor box is in contact with the belt body, and an auxiliary verification assembly is fixed on the upper side of the gravity sensor box.

[0005] Preferably, the belt scale assembly includes a belt scale support frame, a belt scale conveying roller fixed on the belt scale support frame is rotatably connected to the belt body, and a feed pipe is fixed on the belt scale support frame, and the feed pipe is located on the upper side of the belt body.

[0006] By adopting the above technical solution, the material is weighed by setting a belt scale component.

[0007] Preferably, the auxiliary verification component includes a fixing rod, on which a vertical plate is fixed via a first support plate, a limiting hole passes through the vertical plate, a hook is hung in the limiting hole, a connecting rope is fixed by the hook, and a weight is installed on the lower side of the connecting rope via a threaded fixing block.

[0008] By adopting the above technical solution, the accuracy of the belt scale weighing data is ensured by setting up an auxiliary verification component.

[0009] Preferably, the cleaning assembly includes a support base, and the support base adjusts the position of the second support plate through a telescopic structure. The scraper plate is fixed on the second support plate and is used to scrape the surface of the belt body. The second support plate adjusts the position of the nozzle and the cleaning member on the connecting plate through the telescopic structure. The nozzle is located on the right side of the cleaning member. The water pipe connects the nozzle and the water tank and is used to flush the belt body. A waste trough for receiving waste is placed on the right side of the support base.

[0010] By adopting the above technical solution, the belt body is cleaned by setting a cleaning component.

[0011] Preferably, five groups of nozzles are evenly distributed on the connecting plate, and the five groups of nozzles are evenly distributed on the second supporting plate.

[0012] By adopting the above technical solution, five groups of nozzles are set to ensure the flushing quality.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the belt scale calibration device suitable for high belt speed

[0014] (1) A calibration structure is provided to monitor and calibrate multiple groups of speed sensor bodies and gravity sensor bodies at the same time to ensure the accuracy of the calibration. With the assistance of the auxiliary verification component, the gravity sensor body weighs the weight on the belt body, thereby comparing the test data according to the weight of the weight itself, thereby verifying the accuracy of the calibration and ensuring the accuracy of the weighing data of the high-speed belt scale;

[0015] (2) A cleaning component is provided, which drives the scraper plate on the second support plate to fit the belt body with the assistance of the hydraulic cylinder on the support base. When the belt body moves, the surface is directly scraped. The treated belt body is rinsed with the assistance of multiple groups of nozzles, and finally the belt body is combed again by the cleaning part, so as to ensure that the surface of the belt body is thoroughly cleaned and the accuracy of the weighing data of the belt scale is ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the cleaning component of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the auxiliary verification component of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the auxiliary verification component of the utility model.

[0020] In the figure: 1. belt scale assembly; 11. belt scale support frame; 12. belt scale conveyor roller; 13. belt body; 14. feed pipe; 2. correction structure; 21. speed sensor body; 22. gravity sensor box; 23. gravity sensor body; 24. auxiliary verification assembly; 241. fixing rod; 242. first support plate; 243. vertical plate; 244. limiting hole; 245. hook; 246. connecting rope; 247. weight; 3. cleaning assembly; 31. support base; 32. second support plate; 33. scraper plate; 34. connecting plate; 35. nozzle; 36. cleaning parts; 37. water pipe; 38. water tank; 39. waste trough. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-4 The utility model provides a technical solution: a belt scale calibration device suitable for high belt speed such as Figure 1 As shown, it includes a belt scale assembly 1, which includes a belt scale support frame 11, a belt scale conveying roller 12 fixed on the belt scale support frame 11 is rotatably connected to a belt body 13, and a feed pipe 14 is fixed on the belt scale support frame 11, and the feed pipe 14 is located on the upper side of the belt body 13;

[0023] Preferably, a motor is used to drive the threaded feed roller to rotate in the feed pipe 14 to ensure normal feeding of materials and prevent materials from blocking the feed pipe 14 and affecting normal feeding. A dust inlet pipe is provided on the belt scale support frame 11, and the dust inlet pipe is connected to the dust processor to prevent dust from entering the body of the worker and affecting his health, while improving the quality of the operating environment.

[0024] In the above scheme, the material falls onto the belt body 13 through the feed pipe 14, and the material on the belt body 13 is moved and weighed with the assistance of the belt scale conveyor roller 12 on the belt scale support frame 11.

[0025] like Figure 1 , Figure 3 and Figure 4As shown, a verification structure 2 is fixed on the belt scale assembly 1 and is used to verify the belt scale. The verification structure 2 includes a speed sensor body 21. The speed sensor body 21 is located on one side of a gravity sensor box 22. A gravity sensor body 23 embedded in the gravity sensor box 22 fits with the belt body 13. An auxiliary verification assembly 24 is fixed on the upper side of the gravity sensor box 22.

[0026] Specifically, the model of the gravity sensor body 23 is BMA223, and the model of the speed sensor body 21 is BT-M14. Both the gravity sensor body 23 and the speed sensor body 21 are existing technologies.

[0027] Preferably, the auxiliary verification assembly 24 includes a fixing rod 241, on which a vertical plate 243 is fixed through a first support plate 242, a limiting hole 244 is passed through the vertical plate 243, a hook 245 is hung in the limiting hole 244, the hook 245 fixes a connecting rope 246, and a weight 247 is installed and disassembled on the lower side of the connecting rope 246 through a threaded fixing block, wherein two groups of fixing rods 241 are provided, and the two groups of fixing rods 241 are symmetrically arranged about the central axis of the first support plate 242, and three groups of limiting holes 244 are provided on the vertical plate 243 fixed on the first support plate 242;

[0028] In the above scheme, the hook 245 is manually hung in the limiting hole 244 on the vertical plate 243, the connecting rope 246 on the hook 245 is retracted and released as needed, and the weight 247 is placed in the speed measuring interval on the belt body 13. When the belt body 13 moves, the gravity sensor body 23 on the lower side weighs the weight 247, and the weight of the weight 247 after the weight test is compared with the weight of the weight 247 itself, so as to ensure the quality of the belt scale correction. The weight 247 is manually rotated, and the weight 247 is separated from the fixed block on the connecting rope 246, so as to replace weights 247 of different weights.

[0029] like Figure 1 and Figure 2 As shown, a cleaning assembly 3 is arranged at the lower side of the belt scale assembly 1 and is used to clean the belt body 13. The cleaning assembly 3 includes a support base 31. The support base 31 adjusts the position of a second support plate 32 by telescopic structure. A scraper plate 33 is fixed on the second support plate 32 and is used to scrape the surface of the belt body 13. The second support plate 32 adjusts the position of a nozzle 35 and a cleaning member 36 on a connecting plate 34 by telescopic structure. The nozzle 35 is located on the right side of the cleaning member 36. A water pipe 37 connects the nozzle 35 and a water tank 38 and is used to wash the belt body 13. A waste trough 39 for receiving waste is placed on the right side of the support base 31, wherein five groups of nozzles 35 are equidistantly distributed on the connecting plate 34, and the five groups of nozzles 35 are equidistantly distributed on the second support plate 32. The five groups of nozzles 35 simultaneously wash the surface of the belt body 13, thereby ensuring the cleaning quality.

[0030] Preferably, the telescopic structure in the support base 31 is a hydraulic cylinder, the telescopic structure on the second support plate 32 is a double-section electric telescopic rod, the cleaning member 36 is a cleaning sponge, and a limiting protrusion is fixed on the inlay plate on the cleaning sponge, and the limiting protrusion is limited and fixed in the limiting groove on the connecting plate 34, so as to facilitate the later disassembly, replacement or cleaning of the cleaning member 36;

[0031] In the above scheme, with the assistance of the hydraulic cylinder on the support base 31, the scraper plate 33 on the second support plate 32 is driven to fit with the belt body 13. When the belt body 13 moves, the surface of the belt body 13 is directly cleaned, and the waste falls and is stored in the waste trough 39, which is convenient for recycling and saves costs. The pressurized clean water in the water tank 38 enters the nozzle 35 through the water pipe 37. Multiple groups of nozzles 35 flush the surface of the belt body 13 at the same time to ensure the cleaning quality. With the assistance of the double-section electric telescopic rod on the scraper plate 33, the cleaning member 36 is driven to move upward and fit with the belt body 13. The flushed belt body 13 is processed again by the cleaning member 36 to ensure the cleaning quality, thereby ensuring the accuracy of the belt scale weighing.

[0032] Working principle: When using the belt scale calibration device suitable for high belt speed, connect the external power supply, calibrate the belt scale through the calibration structure 2, and after the calibration is completed, accurately weigh the material through the belt scale component 1, and finally automatically clean the belt body 13 through the cleaning component 3.

[0033] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may 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 shall be included in the protection scope of the present invention.

Claims

1. A belt scale calibration device suitable for high belt speed, comprising a belt scale assembly (1), a calibration structure (2) fixed on the belt scale assembly (1) and used for calibrating the belt scale, a cleaning assembly (3) arranged on the lower side of the belt scale assembly (1) and used for cleaning the belt body (13), characterized in that: The verification structure (2) comprises a speed sensor body (21), the speed sensor body (21) is located on one side of a gravity sensor box (22), a gravity sensor body (23) embedded in the gravity sensor box (22) fits with the belt body (13), and an auxiliary verification component (24) is fixed on the upper side of the gravity sensor box (22).

2. A belt scale calibration device suitable for high belt speed according to claim 1, characterized in that: The belt scale assembly (1) comprises a belt scale support frame (11), a belt scale conveying roller (12) fixed on the belt scale support frame (11) and rotatably connected to a belt body (13), and a feed pipe (14) fixed on the belt scale support frame (11), wherein the feed pipe (14) is located on the upper side of the belt body (13).

3. A belt scale calibration device suitable for high belt speed according to claim 1, characterized in that: The auxiliary verification component (24) comprises a fixing rod (241), a vertical plate (243) is fixed on the fixing rod (241) via a first supporting plate (242), a limiting hole (244) passes through the vertical plate (243), a hook (245) is hung in the limiting hole (244), a connecting rope (246) is fixed on the hook (245), and a weight (247) is installed and disassembled on the lower side of the connecting rope (246) via a threaded fixing block.

4. A belt scale calibration device suitable for high belt speed according to claim 1, characterized in that: The cleaning assembly (3) comprises a support base (31), the support base (31) is used to adjust the position of a second support plate (32) by telescopic structure, a scraper plate (33) is fixed on the second support plate (32) and is used to scrape the surface of the belt body (13), the second support plate (32) is used to adjust the position of a nozzle (35) and a cleaning member (36) on a connecting plate (34) by telescopic structure, the nozzle (35) is located on the right side of the cleaning member (36), a water pipe (37) is connected to the nozzle (35) and a water tank (38) and is used to wash the belt body (13), and a waste trough (39) for receiving waste is placed on the right side of the support base (31).

5. A belt scale calibration device suitable for high belt speed according to claim 4, characterized in that: Five groups of nozzles (35) are distributed at equal distances on the connecting plate (34), and the five groups of nozzles (35) are distributed at equal distances on the second supporting plate (32).

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