High-precision weighing feeder

Abstract

The utility model discloses a high-precision weighing feeder which comprises a U-shaped support, mounting lug plates are arranged at the four corners of the U-shaped support, a belt conveying part is arranged at the upper end of the interior of the U-shaped support, and side edge protection parts for protecting the front side and the rear side of the belt conveying part are arranged on the upper surface of the U-shaped support. The front side and the rear side of the U-shaped support are each provided with an L-shaped seat, the upper end of each L-shaped seat is provided with a weighing sensor, a weighing hopper assembly is fixed between the upper ends of the two weighing sensors, the two sides of the upper end of the interior of the weighing hopper assembly are each provided with an inclined filter plate, and the interior of the weighing hopper assembly is provided with a crushing part; the crushing part is located at the lower end between the two inclined filter plates, raw materials on the upper surface of the belt conveying part can be scraped to be flat through a scraper, feeding of the feeder is more uniform, the effect is better, the high-precision weighing feeder is simple in structure and easy and convenient to operate, feeding precision is high, feeding is more uniform, the effect is better, and the feeding efficiency is improved. And the raw materials can be crushed.

Description

Technical Field

[0001] The utility model relates to the technical field of feeders, in particular to a high-precision weighing feeder. Background Art

[0002] High-precision weighing feeder is a device that can continuously weigh and feed materials. It is used for quantitative conveying of solid materials. High-precision weighing feeder can automatically adjust the belt speed according to the preset program and the set feeding amount, so that the material flow rate is equal to the set value, and continuously convey materials at a constant feeding rate. It can be used for batching occasions that require continuous feeding. It is widely used in domestic and foreign industries such as power coal, metallurgy, mining, building materials, chemical industry, light industry, and ports. The existing high-precision weighing feeder is provided with a discharge port on the feed hopper. The material flows from the discharge port to the belt and is transported and Weighing, the existing discharge port size cannot be adjusted, the material discharge speed cannot be adjusted, and the material needs to be loaded and unloaded at the same time when weighing by belt, so the measurement accuracy is low. For example, in the patent authorization number CN217996076U, although the problem of being able to adjust the size of the discharge port is solved, it is convenient to use materials of different particle sizes and improve the applicability of high-precision weighing feeders, but it is also weighed by belt conveyor, so the weighing deviation is large, and it cannot solve the problem of uneven transportation, and it cannot screen and crush the raw materials, so it has few functions and a small scope of application. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a high-precision weighing feeder with a simple structure and easy operation. It not only makes the feeding accuracy high, but also makes the feeding more uniform and the effect better. It can also crush the raw materials, which can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision weighing feeder, comprising a U-shaped support, wherein the four corners of the U-shaped support are provided with mounting ear plates, a belt conveyor is provided at the internal upper end of the U-shaped support, and the upper surface of the U-shaped support is provided with side guards for protecting the front and rear sides of the belt conveyor, an L-shaped seat is provided on the front and rear sides of the U-shaped support, a weighing sensor is provided on the upper end of each L-shaped seat, a weighing bucket assembly is fixed between the upper ends of the two weighing sensors, inclined filter plates are provided on both sides of the internal upper end of the weighing bucket assembly, a crushing piece is provided inside the weighing bucket assembly, and the crushing piece is located at the lower end between the two inclined filter plates, a feeding assembly is provided at the internal lower end of the weighing bucket assembly, a scraper assembly for scraping the raw material on the upper surface of the belt conveyor is provided between the upper surfaces of the two side guards, and the scraper assembly is located at the output end of the belt conveyor.

[0005] Furthermore, the belt conveyor includes two conveying shafts connected to the U-shaped support through bearings, a conveying belt is arranged between the two conveying shafts, and a conveying motor is arranged on the side of the U-shaped support to drive the conveying shaft to rotate. The conveying shaft can be driven to rotate by the rotation of the conveying motor, and the conveying belt can be driven to rotate by the conveying shaft. When the conveying belt rotates, the raw materials can be transported.

[0006] Furthermore, the weighing hopper assembly includes a hopper, the lower end of which is a conical structure, and supporting ear plates are fixed on the front and rear sides of the hopper. The raw materials can be placed in the hopper. When placed, the raw materials can be screened by tilting the filter plate, and the screened materials are introduced into the crushing element through the tilted filter plate.

[0007] Furthermore, the crushing element includes two crushing rollers connected to the hopper through bearings, one end of the two crushing rollers is driven by a pair of meshing gears, and one side of the hopper is provided with a crushing motor that drives the crushing rollers to rotate. The crushing motor can drive the crushing rollers to rotate, and the raw materials can be crushed by the crushing rollers.

[0008] Furthermore, the unloading assembly includes a unloading roller rotatably connected to the hopper, and unloading troughs are evenly arranged on the outside of the unloading roller. A unloading motor is arranged on one side of the hopper to drive the unloading roller to rotate. The rotation of the unloading motor can drive the unloading roller to rotate. The rotation of the unloading motor can discharge the raw materials inside the weighing bucket assembly, making the unloading more uniform. The speed of rotation of the unloading motor can control the speed of rotation of the unloading roller, thereby controlling the speed of unloading.

[0009] Furthermore, the scraper assembly includes two ear seats respectively arranged on the upper surface of the side guard, a rotating shaft is provided between the two ear seats, a scraper is provided on the outer side of the rotating shaft, and a scraping motor for driving the rotating shaft to rotate is provided on one side of the ear seat. The rotating shaft can be driven to rotate by the rotation of the scraping motor, and the scraper can be driven to rotate by the rotation of the rotating shaft, so as to control the distance between the lower end of the scraper and the upper surface of the belt conveyor, so as to control the thickness of the feed during transportation, and the scraper can scrape the raw materials on the upper surface of the belt conveyor, so that the feeder feeds more evenly and the effect is better.

[0010] Compared with the prior art, the utility model has the following beneficial effects: raw materials can be placed in the hopper, and during placement, the raw materials can be screened by tilting the filter plate, and the screened materials are introduced into the crushing part through the tilting filter plate, and the crushing roller can be driven to rotate by the operation of the crushing motor, and the raw materials can be crushed by the crushing roller, and the feeding motor can be driven to rotate by the feeding roller, and the raw materials inside the weighing bucket assembly can be discharged by the feeding motor, so that the feeding is more uniform, and the feeding motor can control the feeding roller's rotation speed to control the feeding speed, and the conveying motor can drive the conveying motor to rotate. The conveying shaft rotates, and the conveying belt can be driven to rotate through the conveying shaft. The raw materials can be transported when the conveying belt rotates. During transportation, the shaft can be driven to rotate by the rotation of the scraping motor, and the scraper can be driven to rotate by the rotation of the shaft, so as to control the distance between the lower end of the scraper and the upper surface of the belt conveyor, so as to control the thickness of the feed during transportation. The raw materials on the upper surface of the belt conveyor can be scraped flat by the scraper, so that the feeder feeds more evenly and the effect is better. The high-precision weighing feeder has a simple structure and is easy to operate. It not only has high feeding accuracy, but also makes the feeding more even and the effect is better, and the raw materials can be crushed. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0013] Figure 3 This is a left-side structural schematic diagram of the utility model;

[0014] Figure 4 It is a schematic diagram of the partial cross-section structure of the utility model.

[0015] In the figure: 1 belt conveyor, 11 conveyor shaft, 12 conveyor belt, 13 conveyor motor, 2 side protection part, 3 U-shaped support, 4 L-shaped seat, 5 weighing bucket assembly, 51 support ear plate, 52 hopper, 6 inclined filter plate, 7 crushing part, 71 crushing motor, 72 crushing roller, 73 gear, 8 scraper assembly, 81 scraping motor, 82 shaft, 83 ear seat, 84 scraper, 9 unloading assembly, 91 unloading motor, 92 unloading roller, 10 weighing sensor. DETAILED DESCRIPTION

[0016] 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.

[0017] See also Figure 1-4The utility model provides a technical solution: a high-precision weighing feeder, comprising a U-shaped support 3, the four corners of the U-shaped support 3 are provided with mounting ear plates, the upper end of the interior of the U-shaped support 3 is provided with a belt conveyor 1, the upper surface of the U-shaped support 3 is provided with a side protection member 2 for protecting the front and rear sides of the belt conveyor 1, an L-shaped seat 4 is provided on the front and rear sides of the U-shaped support 3, a weighing sensor 10 is provided on the upper end of each L-shaped seat 4, a weighing bucket assembly 5 is fixed between the upper ends of the two weighing sensors 10, inclined filter plates 6 are provided on both sides of the inner upper end of the weighing bucket assembly 5, a crushing member 7 is provided inside the weighing bucket assembly 5, and the crushing member 7 is located at the lower end between the two inclined filter plates 6, a feeding assembly 9 is provided at the inner lower end of the weighing bucket assembly 5, and two side A scraper assembly 8 is provided between the upper surfaces of the protective member 2 for flattening the raw materials on the upper surface of the belt conveyor 1, and the scraper assembly 8 is located at the output end of the belt conveyor 1. The belt conveyor 1 includes two conveying shafts 11 connected to the U-shaped support 3 through bearings, and a conveying belt 12 is provided between the two conveying shafts 11. A conveying motor 13 is provided on the side of the U-shaped support 3 for driving the conveying shaft 11 to rotate. The conveying shaft 11 can be driven to rotate by rotating the conveying motor 13, and the conveying belt 12 can be driven to rotate by the conveying shaft 11. When the conveying belt 12 rotates, the raw materials can be transported. The weighing hopper assembly 5 includes a hopper 52, and the lower end of the hopper 52 is a conical structure. Support ear plates 51 are fixed on the front and rear sides of the hopper 52, and the hopper 52 can be used to The raw materials can be contained. When contained, the raw materials can be screened by tilting the filter plate 6. The screened materials are introduced into the crushing member 7 through the tilting filter plate 6. The crushing member 7 includes two crushing rollers 72 connected to the hopper 52 through bearings. One end of the two crushing rollers 72 is driven by a pair of meshing gears 73. A crushing motor 71 for driving the crushing rollers 72 to rotate is provided on one side of the hopper 52. The crushing motor 71 can drive the crushing rollers 72 to rotate. The raw materials can be crushed by the crushing rollers 72. The unloading component 9 includes a unloading roller 92 rotatably connected to the hopper 52. The outer side of the unloading roller 92 is evenly provided with unloading troughs. A unloading motor 91 for driving the unloading roller 92 to rotate is provided on one side of the hopper 52. The unloading motor 91 can rotate. The feeding roller 92 is driven to rotate, and the raw materials inside the symmetrical weighing bucket assembly 5 can be discharged by rotating the feeding motor 91, so that the feeding is more uniform. The speed of rotation of the feeding motor 91 can control the speed of rotation of the feeding roller 92, so as to control the speed of feeding. The scraper assembly 8 includes two ear seats 83 respectively arranged on the upper surface of the side guard 2, and a rotating shaft 82 is arranged between the two ear seats 83. A scraper 84 is arranged on the outer side of the rotating shaft 82, and a scraping motor 81 for driving the rotating shaft 82 to rotate is arranged on one side of the ear seat 83. The rotating shaft 82 can be driven to rotate by rotating the scraping motor 81, and the scraper 84 can be driven to rotate by rotating the rotating shaft 82, so as to control the distance between the lower end of the scraper 84 and the upper surface of the belt conveyor 1, so as to control the thickness of the feed during transportation.The scraper 84 can be used to scrape the raw materials on the upper surface of the belt conveyor 1, so that the feeder can feed more evenly and effectively. The high-precision weighing feeder has a simple structure and is easy to operate. It not only has high feeding accuracy, but also makes the feeding more even and effectively, and can crush the raw materials.

[0018] When in use: the raw materials can be placed in the hopper 52. When placed, the raw materials can be screened by tilting the filter plate 6. The screened materials are introduced into the crushing member 7 through the tilting filter plate 6. The crushing motor 71 can drive the crushing roller 72 to rotate. The raw materials can be crushed by the crushing roller 72. The feeding motor 91 can drive the feeding roller 92 to rotate. The feeding motor 91 can feed the raw materials in the weighing bucket assembly 5, so that the feeding is more uniform. The speed of the feeding motor 91 can control the speed of the feeding roller 92, so as to control the feeding speed. The speed of material unloading can be determined by rotating the conveying motor 13 to drive the conveying shaft 11 to rotate, and the conveying shaft 11 can drive the conveying belt 12 to rotate. When the conveying belt 12 rotates, the raw materials can be transported. During transportation, the leveling motor 81 can drive the shaft 82 to rotate, and the shaft 82 can drive the scraper 84 to rotate, so as to control the distance between the lower end of the scraper 84 and the upper surface of the belt conveyor 1, so as to control the thickness of the feed during transportation. The scraper 84 can scrape the raw materials on the upper surface of the belt conveyor 1, so that the feeder feeds more evenly and the effect is better.

[0019] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A high-precision weighing feeder, comprising a U-shaped support (3), characterized in that: The four corners of the U-shaped support (3) are provided with mounting ear plates, the upper end of the U-shaped support (3) is provided with a belt conveyor (1), the upper surface of the U-shaped support (3) is provided with side protection members (2) for protecting the front and rear sides of the belt conveyor (1), the front and rear sides of the U-shaped support (3) are each provided with an L-shaped seat (4), the upper end of each L-shaped seat (4) is provided with a weighing sensor (10), a weighing bucket assembly (5) is fixed between the upper ends of the two weighing sensors (10), both sides of the upper end of the weighing bucket assembly (5) are provided with inclined filter plates (6), a crushing member (7) is provided inside the weighing bucket assembly (5), the crushing member (7) is located at the lower end between the two inclined filter plates (6), a material discharge assembly (9) is provided at the lower end of the weighing bucket assembly (5), a scraper assembly (8) for scraping the raw material on the upper surface of the belt conveyor (1) is provided between the upper surfaces of the two side protection members (2), and the scraper assembly (8) is located at the output end of the belt conveyor (1).

2. A high-precision weighing feeder according to claim 1, characterized in that: The belt conveyor (1) comprises two conveying shafts (11) connected to a U-shaped support (3) via bearings, a conveying belt (12) is provided between the two conveying shafts (11), and a conveying motor (13) is provided on the side of the U-shaped support (3) for driving the conveying shafts (11) to rotate.

3. A high-precision weighing feeder according to claim 1, characterized in that: The weighing hopper assembly (5) comprises a hopper (52), the lower end of the hopper (52) is a conical structure, and support ear plates (51) are fixed to both the front and rear sides of the hopper (52).

4. A high-precision weighing feeder according to claim 3, characterized in that: The crushing element (7) comprises two crushing rollers (72) connected to the hopper (52) via bearings, one end of the two crushing rollers (72) is driven by a pair of meshing gears (73), and a crushing motor (71) for driving the crushing rollers (72) to rotate is provided on one side of the hopper (52).

5. A high-precision weighing feeder according to claim 3, characterized in that: The material discharge assembly (9) comprises a material discharge roller (92) rotatably connected to the hopper (52), material discharge grooves are evenly arranged on the outer side of the material discharge roller (92), and a material discharge motor (91) is arranged on one side of the hopper (52) to drive the material discharge roller (92) to rotate.

6. A high-precision weighing feeder according to claim 1, characterized in that: The scraper assembly (8) comprises two ear seats (83) respectively arranged on the upper surface of the side guard (2), a rotating shaft (82) is arranged between the two ear seats (83), a scraper (84) is arranged on the outer side of the rotating shaft (82), and a scraping motor (81) for driving the rotating shaft (82) to rotate is arranged on one side of the ear seat (83).

Images