CN205686682U - Powder ammonium phosphate packing scale charging gear - Google Patents

Abstract

The utility model discloses a feeding device for powdered ammonium phosphate packing scale, which comprises a conveyor, on which a material trough is arranged along the conveying direction, and a material layer control board is arranged in the material trough along the width direction of the conveyor, and the material layer control board The two ends of the conveyor are respectively hinged with the groove wall of the trough, the material layer control board is connected with a driving mechanism, and the driving mechanism drives the material layer control board to rotate, and the discharge end of the conveyor is connected with a feeding control box. The size of the rotation angle of the layer control plate can control the amount of feeding. During coarse feeding, the rotation angle of the large material layer control plate can be adjusted. When the conveyed material reaches the expected weight and fine feeding is required, the material layer control can be reduced. The rotation angle of the plate, this feeding method is not affected by the degree of humidity of the material, whether it is agglomerated, etc., and is very suitable for feeding materials with poor fluidity such as powdered ammonium phosphate.

Description

Powdered ammonium phosphate packing scale feeding device

technical field

The utility model relates to a feeding device, in particular to a powdery ammonium phosphate packing scale feeding device.

Background technique

The feeding device of the packaging scale is the core equipment of the packaging scale. The packaging scale of powdered ammonium phosphate generally adopts a double-screw feeding device. The large screw is used for coarse feeding, and the small screw is used for fine feeding. If the powdered ammonium phosphate The high temperature of the finished product will cause the water vapor in it to evaporate in the spiral and the structure will be attached to the spiral, resulting in an increase in the load of the double-screw feeding device. When the powdered ammonium phosphate dries, it will fall off from the scar layer on the tower wall, and the hard scar layer will follow other When the fine material enters the double-screw feeding device, the screw will be stuck, causing the double-screw feeding device to fail to operate. The various problems mentioned above will seriously affect the normal operation of the packing scale, and even cause the screw to be stuck and the motor to burn out. , The high failure rate of the screw feeding device has always been a difficult problem in the operation of the powdered ammonium phosphate packaging scale, which seriously restricts the normal packaging of powdered ammonium phosphate products.

Utility model content

In order to solve the above technical problems, the utility model provides a powdered ammonium phosphate packing scale feeding device, which is not affected by whether the ammonium phosphate scales or not, and can control the amount of feed.

The technical solution is as follows: a powdery ammonium phosphate packing scale feeding device, the key of which is to include a conveyor, the conveyor is provided with a trough along its conveying direction, and the inside of the trough is along the width direction of the conveyor. A material layer control board is provided, the two ends of the material layer control board are respectively hinged with the tank wall of the material tank, the material layer control board is connected with a driving mechanism, and the driving mechanism drives the material layer control board to rotate. The discharge end of the conveyor is connected with a feed control box. Adopting this technical scheme, the distance between the lower edge of the material layer control plate and the conveyor can be controlled by controlling the rotation angle of the material layer control plate. The distance between the lower edge of the control board and the conveyor. When the conveyed material is about to reach the expected weight and needs to be finely fed, the distance between the lower edge of the control board and the conveyor of the control material layer can be reduced. The amount of material will be reduced until the metering demand is met, and then the feeding will be suspended. This feeding method is not affected by the degree of humidity of the material, whether it is agglomerated, etc., and is very suitable for feeding materials with poor fluidity such as powdered ammonium phosphate.

As a preference: a control board rotating shaft is fixedly installed at both ends of the material layer control board, the control board rotating shaft is installed on the tank wall of the material tank, the driving mechanism includes a material board cylinder, and the material board cylinder The cylinder barrel of the cylinder is hinged with the frame of the conveyor through the cylinder rotating shaft, and a driving link is arranged between the material plate cylinder and the material layer control board, and one end of the driving connecting rod is connected to any one of the control board rotating shafts. Fixedly connected, the other end of the drive link is hinged to the piston rod of the sheet cylinder. This scheme is adopted to push the rotating shaft of the control board to rotate through the cylinder, thereby driving the rotation of the material layer control board, and realizing the mechanized control of the material layer control board.

The above-mentioned feeding control box includes a box body, and a feeding hopper is arranged in the box, and the discharge end of the conveyor is located above the inlet of the feeding hopper, and an arc-shaped bucket door is arranged inside the feeding hopper. The arc-shaped bucket door is hinged with the feed hopper, and controls the opening and closing of the discharge port of the feed hopper when the arc-shaped bucket door rotates. With this scheme, after the material on the conveyor enters the hopper, it can realize discharging or stop discharging by turning the arc-shaped bucket door.

The feeding hopper is provided with a feeding cylinder, which is horizontally arranged on the outer wall of the feeding hopper, and a bucket door rotating shaft is arranged between the feeding cylinder and the arc-shaped bucket door, and one end of the bucket door rotating shaft is connected to the The curved bucket door is hinged, and the other end is hinged with the piston rod of the feeding cylinder. This scheme is adopted to automatically control the rotation of the arc-shaped bucket door through the cylinder, which is convenient and labor-saving.

The above-mentioned conveyor is provided with two material baffles facing along its length direction, and the trough is formed between the two material baffles and the conveyor belt of the conveyor. The material trough of this scheme can block the material and prevent unnecessary waste caused by excessive material accumulation on the conveyor.

A storage hopper is arranged above the conveyor, and the outlet of the storage hopper is located directly above the conveyor between the two baffle plates, and the cross-sectional area of the inlet of the storage hopper is larger than that of the outlet. cross-sectional area. With this design, all the materials coming out of the storage hopper fall onto the conveyor. The large inlet of the storage hopper is convenient for feeding, and the small outlet prevents the materials from being spilled out of the conveyor.

A discharge protective cover is arranged above the discharge end of the above-mentioned conveyor. Adopting this scheme can effectively prevent the dry material powder from rising up, causing excessive dust in the production workshop and affecting the health of the operators. On the other hand, it can also prevent other impurities from falling into the material.

An inspection window is arranged on the top of the above-mentioned discharge protective cover, and a protective cover plate is arranged on the inspection window. Adopting this design facilitates the inspection and maintenance of the conveyor.

A drive mechanism is provided near the discharge end of the conveyor, and the drive mechanism includes a drive motor. The output part of the drive motor is connected with a reducer, and the output part of the reducer is connected with the conveyor through a chain. With this solution, the speed of the conveyor belt can be adjusted through the reducer, and the feeding speed can be controlled to meet the needs of precise batching.

The drive motor is connected with a frequency converter, and the frequency converter is provided with two control frequencies, fast and slow. With this scheme, the running speed of the conveyor can be adjusted by adjusting the speed of the frequency converter, thereby controlling the feeding speed.

Beneficial effect: the beneficial effect of adopting the utility model is that the distance between the lower edge of the material layer control board and the conveyor can be controlled by controlling the rotation angle of the material layer control board. When feeding, the distance between the lower edge of the large material layer control board and the conveyor can be adjusted. When the conveyed material is about to reach the expected weight and needs to be finely fed, the distance between the lower edge of the control material layer control board and the conveyor can be reduced. Through The amount of material delivered by the conveyor to the metering hopper will be reduced until the metering demand is met, and then the feeding will be suspended. This feeding method is not affected by the degree of humidity of the material, whether it is agglomerated, etc., and is very suitable for powdery ammonium phosphate and other fluidity. In addition, the discharge protective cover above the discharge end of the conveyor can effectively prevent the dry material powder from rising, causing excessive dust in the production workshop and affecting the health of the operators. On the other hand, it can also prevent Other impurities fall into the material.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is an enlarged view of part a in Fig. 2 .

detailed description

Below in conjunction with embodiment and accompanying drawing, the utility model is further described.

As shown in Fig. 1-Fig. 3, a kind of powdery ammonium phosphate packing scale feeding device comprises a conveyor 3, said conveyor 3 is provided with a trough 2 along its conveying direction, and said trough 2 is arranged along the The width direction of the conveyor 3 is provided with a material layer control board 5, and the two ends of the material layer control board 5 are respectively hinged with the tank wall of the material tank 2, and the material layer control board 5 is connected with a drive mechanism 4, the The driving mechanism 4 drives the material layer control board 5 to rotate. Specifically, the two ends of the material layer control board 5 are respectively fixed with a control board rotating shaft, and the control board rotating shaft is installed on the tank wall of the material tank 2 Above, the control board rotating shaft is hinged with the tank wall of the material trough 2, and the driving mechanism 4 includes a material board cylinder, and the cylinder barrel of the material board cylinder is hinged with the frame of the conveyor 3 through the cylinder shaft, so A drive link 10 is arranged between the material plate cylinder and the material layer control plate 5, one end of the drive link 10 is fixedly connected to any one of the control plate rotating shafts, and the other end of the drive link 10 is connected to the The piston rod of the material plate cylinder is hinged, and the discharge end of the conveyor 3 is connected with a feed control box, and the feed control box includes a box body 8, which is provided with a feed hopper 8b. The discharge end of 3 is located above the feed inlet of the feed hopper 8b, the feed hopper 8b is provided with an arc-shaped bucket door 8c, the arc-shaped bucket door 8c is hinged with the described feed hopper 8b, and the arc-shaped bucket door 8c rotates When controlling the opening and closing of the discharge port of the metering hopper 8b, the feed hopper 8b is provided with a feed cylinder 8a, which is horizontally arranged on the outer wall of the feed hopper 8b, and the feed cylinder 8a A bucket door rotating shaft 8d is arranged between the arc-shaped bucket door 8c, and one end of the bucket door rotating shaft 8d is hinged to the arc-shaped bucket door 8c, and the other end is hinged to the piston rod of the feeding cylinder 8a.

It can also be seen from the figure that the conveyor 3 is facing along its length direction with two baffle plates, and the material is formed between the two baffle plates and the conveyor belt of the conveyor 3. Groove 2, a storage hopper 1 is arranged above the conveyor 3, the outlet of the storage hopper 1 is located directly above the conveyor 3 between the two baffle plates, and the inlet of the storage hopper 1 The cross-sectional area of the material opening is greater than the cross-sectional area of the discharge port. A discharge shield 6 is provided above the discharge end of the conveyor 3, and an inspection window 11 is provided on the top of the discharge shield 6. The inspection window 11 A protective cover plate is provided on the top, and a drive mechanism is provided near the discharge end of the conveyor 3. The drive mechanism includes a drive motor 3a, and the output of the drive motor 3a is connected to a reducer 3b. The output of the reducer 3b The upper part is connected with the conveyor 3 through a chain 9, and the drive motor 3a is connected with a frequency converter 7, and the frequency converter 7 is provided with two control frequencies of fast and slow.

Finally, it should be noted that the above description is only a preferred embodiment of the utility model, and under the inspiration of the utility model, those skilled in the art can make many A similar representation, such transformations all fall within the protection scope of the present utility model.

Claims (10)

1. a powder ammonium phosphate packing scale charging gear, it is characterised in that: include conveyer (3), along it on described conveyer (3) Conveying direction is provided with hopper (2), and in described hopper (2), the width along described conveyer (3) is provided with bed of material panel (5), The two ends of described bed of material panel (5) are hinged with the cell wall of described hopper (2) respectively, and described bed of material panel (5) connects drives Motivation structure (4), this drive mechanism (4) drives described bed of material panel (5) to rotate, and the discharge end of described conveyer (3) connects to be had Feed control chamber.

Powder ammonium phosphate packing scale charging gear the most according to claim 1, it is characterised in that: at described bed of material panel (5) two ends are installed with panel rotating shaft respectively, and described panel rotating shaft is arranged on the cell wall of described hopper (2), institute Stating drive mechanism (4) and include flitch cylinder, the cylinder barrel of this flitch cylinder is cut with scissors by the frame of cylinder rotating shaft with described conveyer (3) Connect, between described flitch cylinder and described bed of material panel (5), be provided with drive link (10), one end of this drive link (10) with Arbitrary described panel rotating shaft is fixing to be connected, and the other end of this drive link (10) is hinged with the piston rod of described flitch cylinder.

Powder ammonium phosphate packing scale charging gear the most according to claim 1, it is characterised in that: described feed control chamber includes Casing (8), is provided with feed hopper (8b) in this casing (8), the discharge end of described conveyer (3) is positioned at entering of described feed hopper (8b) Above material mouth, being provided with arc sluice gate (8c) in described feed hopper (8b), this arc sluice gate (8c) is hinged with described feed hopper (8b), Described arc sluice gate (8c) controls the discharging opening folding of described feed hopper (8b) when rotating.

Powder ammonium phosphate packing scale charging gear the most according to claim 3, it is characterised in that: set on described feed hopper (8b) Feed cylinder (8a), this feed cylinder (8a) is had to be horizontally set on the outer wall of described feed hopper (8b), described feed cylinder (8a) and be provided with sluice gate rotating shaft (8d) between described arc sluice gate (8c), this sluice gate rotating shaft (8d) one end and described arc sluice gate (8c) hinged, the other end is hinged with the piston rod of described feed cylinder (8a).

Powder ammonium phosphate packing scale charging gear the most according to claim 1, it is characterised in that: the upper edge of described conveyer (3) Its length direction, just to being provided with two pieces of striker plates, forms institute between the conveyer belt of two pieces of described striker plates and described conveyer (3) State hopper (2).

Powder ammonium phosphate packing scale charging gear the most according to claim 5, it is characterised in that: described conveyer (3) top It is provided with storage bin hopper (1), just going up of the discharging opening of this storage bin hopper (1) described conveyer (3) between two pieces of described striker plates Side, the charging aperture sectional area of described storage bin hopper (1) is more than the sectional area of its discharging opening.

Powder ammonium phosphate packing scale charging gear the most according to claim 1, it is characterised in that: going out of described conveyer (3) Material end is arranged over discharging protective cover (6).

Powder ammonium phosphate packing scale charging gear the most according to claim 7, it is characterised in that: described discharging protective cover (6) Top be provided with access panel (11), this access panel (11) is provided with protective cover plate.

Powder ammonium phosphate packing scale charging gear the most according to claim 1, it is characterised in that: near described conveyer (3) Discharge end be provided with drive mechanism, this drive mechanism includes driving motor (3a), and the output unit of described driving motor (3a) connects Having reductor (3b), the output unit of this reductor (3b) is connected with described conveyer (3) by chain (9).

Powder ammonium phosphate packing scale charging gear the most according to claim 9, it is characterised in that: described driving motor (3a) Connect have converter (7), described converter (7) to be provided with quickly, at a slow speed two grades control frequency.