CN217006021U

CN217006021U - Compound fertilizer produces line and uses raw materials weigher

Info

Publication number: CN217006021U
Application number: CN202220705180.3U
Authority: CN
Inventors: 袁中; 蒋建清; 王锡洪; 胡玖飞
Original assignee: Wuxi Baoli Fertilizer Co ltd
Current assignee: Wuxi Baoli Fertilizer Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-07-19
Anticipated expiration: 2032-03-29

Abstract

The utility model discloses a raw material metering scale for a compound fertilizer production line, and relates to the technical field of compound fertilizer production equipment. The metering scale comprises a feeding mechanism and a weighing mechanism. In order to solve the defect of inaccurate weighing of a belt scale in the existing weighing device, a flexible discharging pipe is also arranged between a feeding mechanism and a weighing mechanism, a feeding port of the flexible discharging pipe is communicated with a discharging port of the feeding mechanism, and a pneumatic switch is arranged on the flexible discharging pipe; the weighing mechanism comprises a belt scale and baffles arranged on two sides of the belt scale, and the height of each baffle is higher than that of a discharge hole of the flexible discharge pipe; the metering assembly line that feed mechanism and weighing mechanism constitute has the multiunit, and parallelly connected setting, and the discharge end of belt weigher still is equipped with the compounding jar, is connected through the compounding fill between the discharge end of belt weigher and the entry of compounding jar. The utility model can improve the weighing accuracy in blanking and improve the production efficiency in weighing various raw materials.

Description

Compound fertilizer produces line and uses raw materials weigher

Technical Field

The utility model relates to the technical field of compound fertilizer production equipment, in particular to a raw material metering scale for a compound fertilizer production line.

Background

The compound fertilizer is a chemical fertilizer containing two or more nutrient elements, has the advantages of high nutrient content, few side components, good physical properties and the like, and plays an important role in balancing fertilization, improving the utilization rate of the fertilizer and promoting the high and stable yield of crops.

When the compound fertilizer is produced, a plurality of raw materials are required to be weighed and then mixed for production; the weighing design commonly used in the industry at present uses a belt weigher to realize the weighing operation, and the weighing process principle of the belt weigher is that a gravity sensor is arranged on a rolling shaft of the belt weigher, a gravity signal is converted into a frequency conversion signal, and the feeding amount is controlled by adjusting the running speed of a belt through a frequency converter. Utility model "a compound fertilizer production is with raw materials weighing device" adopts the mode of weighing multiple raw materials simultaneously and mixes production, nevertheless when the raw materials falls into the belt weigher, because the tiny and slip nature of raw materials granule is good, can put out a large amount of between feed bin feed opening and belt weigher, and the uncontrollable belt weigher that also causes of unloading volume simultaneously weighs inaccurately.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the background technology, the utility model provides the raw material metering scale for the compound fertilizer production line, and the weighing accuracy in the blanking process can be improved through the raw material metering scale.

In order to achieve the purpose, the technical solution of the utility model is as follows: a raw material metering scale for a compound fertilizer production line comprises a feeding mechanism and a weighing mechanism, wherein a flexible discharging pipe is arranged between the feeding mechanism and the weighing mechanism, a feeding port of the flexible discharging pipe is communicated with a discharging port of the feeding mechanism, and a pneumatic switch is arranged on the flexible discharging pipe; the weighing mechanism comprises a belt weigher and baffle plates arranged on two sides of the belt weigher, and the height of each baffle plate is higher than that of a discharge hole of the flexible discharge pipe.

In order to realize controllable feeding rate of the feeding bin, the utility model provides another preferable scheme. The feeding mechanism comprises a feeding bin and a conveying barrel, a discharging port of the feeding bin is communicated with a feeding port of the conveying barrel, a pushing motor is arranged at the end of the conveying barrel, a conveying rod is arranged inside the conveying barrel, spiral conveying blades are arranged on the surface of the conveying rod, and one end of the conveying rod is in transmission connection with the pushing motor. The conveying rod and the spiral conveying blade are driven to rotate through the pushing motor, and materials are stably conveyed out of the conveying cylinder.

In order to improve the accuracy of the belt weigher in weighing, the utility model provides another preferable scheme. The pneumatic switch comprises clamping pincers and a clamping cylinder, the upper end of the clamping pincers is hinged to a discharge port of the feeding mechanism, and two ends of the clamping cylinder are hinged to the clamping pincers. The pneumatic switch can cut off the feeding of the raw materials in time after the weight of the raw materials on the belt scale reaches the standard.

In order to mix a plurality of raw materials simultaneously, the utility model provides another preferable scheme. The metering assembly line that feed mechanism and weighing mechanism constitute has the multiunit, the parallelly connected setting of metering assembly line, the discharge end of belt weigher still is equipped with the compounding jar, be connected through the compounding fill between the discharge end of belt weigher and the entry of compounding jar. Set up multiunit weighing device, make the weighing process of multiple raw materials more convenient.

Furthermore, in order to enable the material mixing of the material mixing tank to be uniform. The mixing tank upper end is equipped with the third motor, the third motor is connected with the mixing roller transmission that is equipped with in the mixing tank.

Furthermore, the mixed material finished product can be quickly transferred to the next procedure in order to facilitate the mixed material finished product to flow to the next procedure. The lower end of the mixing tank is provided with an outlet of the mixing tank, and a transmission belt is arranged below the mixing tank.

Further, in order to control the ratio of the mixed raw materials. And an operation panel is arranged on the wall of the mixing tank and is electrically connected with the feeding mechanism, the weighing mechanism and the mixing mechanism.

In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:

1. increase flexible discharging pipe and pneumatic means between a transport section of thick bamboo and belt weigher, the weight on the belt weigher is fallen to the accurate control raw materials, has avoided the raw materials to pounce out between feed opening and belt weigher simultaneously, has improved the degree of accuracy of weighing.

2. Through setting up multiunit weighing device, weigh multiple production raw materials simultaneously, improved production efficiency.

Drawings

FIG. 1 is a front view of the overall structure of the present embodiment;

FIG. 2 is a top view of the overall structure of the present embodiment;

fig. 3 is a specific structure of the delivery cartridge 2;

FIG. 4 shows a detailed construction of a flexible tapping pipe and a pneumatic device.

The reference symbols in the drawings mean: 1. a feeding bin; 2. a delivery cartridge; 21. a conveying rod; 22. a spiral conveying blade; 3. a flexible discharge pipe; 31. a clamping cylinder; 32. clamping tongs; 4. a pushing motor; 5. a baffle plate; 6. a belt scale; 7. a mixing tank; 8. a first motor; 9. a first belt; 10. a second motor; 11. a second belt; 12. a mixing hopper; 13. an inlet of the mixing tank; 14. an outlet of the mixing tank; 15. a third motor; 16. a mixing roller; 17. a fertilizer bag; 18. an operation panel.

Detailed Description

Specific embodiments of the present invention are described in detail below with reference to fig. 1 to 4, so that those skilled in the art can more clearly understand how to practice the present invention. While the utility model has been described in connection with preferred embodiments thereof, these embodiments are merely illustrative, and not restrictive, of the scope of the utility model.

This example

As shown in fig. 1, the weighing scale provided by the utility model comprises a feeding mechanism, a weighing mechanism and a mixing mechanism; the feeding mechanism comprises a feeding bin 1 and a conveying cylinder 2, and a discharge port at the bottom of the feeding bin 1 is communicated with a feeding port at the upper left side of the conveying cylinder 2; as shown in fig. 3, the conveying cylinder 2 includes a conveying rod 21 and a spiral conveying blade 22 horizontally arranged in the cylinder, a pushing motor 4 is arranged at the left end of the conveying cylinder 2, and the pushing motor 4 is in transmission connection with the conveying rod 21.

As shown in figure 1, the weighing mechanism comprises a flexible discharge pipe 3 arranged at the lower end of a discharge hole of a conveying cylinder 2, a pneumatic device and a belt scale 6. As shown in fig. 4, the pneumatic device comprises symmetrically arranged clamping jaws 32, the upper ends of the clamping jaws 32 are hinged to the bottom of the conveying cylinder 2, a clamping cylinder 31 is arranged in the middle section of the clamping jaws 32, and two ends of the clamping cylinder 31 are hinged to the clamping jaws 32; the two sides of the belt weigher 6 are also provided with baffle plates 5 which play a role in blocking scattering raw materials. The feed end of the belt weigher 6 is provided with a driving roller which obtains power provided by a first motor 8 through a first belt 9.

As shown in fig. 1 and 2, when mixing a plurality of raw materials, a plurality of groups of feeding and weighing mechanisms are arranged in parallel, a mixing tank 7 is arranged on the right side of the weighing mechanism, and the discharging ends of a plurality of belt weighers are connected with the inlet 13 of the mixing tank through a mixing hopper 12. The upper end of the mixing tank 7 is provided with a third motor 15, and the third motor 15 is in transmission connection with a mixing roller 16 arranged in the mixing tank 7. The lower end of the mixing tank is provided with a mixing tank outlet 14 for leading the mixed raw materials into a chemical fertilizer bag 17 arranged on a conveying belt. The transmission belt is connected with a second motor 10 through a second belt 11 to obtain power.

The pneumatic device, the pushing motor 4, the first motor 8, the second motor 10 and the third motor 15 are all electrically connected with the operation panel 18.

The working process of the embodiment is as follows: the proportioning parameters of the raw materials are input on the operation panel 18, and the feeding mechanism obtains the proper rotating speed, the starting time and the stopping time of different pushing motors 4 according to the input proportioning parameters of the raw materials; the weighing mechanism obtains the proper rotating speed and the starting-up and stopping time of the first motor 8 according to the input raw material proportioning parameters, and meanwhile, the pneumatic device obtains the proper opening and closing time according to the raw material proportioning parameters; the mixing mechanism is used for mixing raw materials at the discharging ends of different belt scales, the raw materials are mixed into the mixing tank 7 through the mixing hopper 12, and the mixed raw materials are uniformly mixed through the mixing roller 16 and then are discharged into a chemical fertilizer bag 17 arranged on the second belt 2 through an outlet 14 of the mixing tank; and finally, finishing the whole blanking, weighing and mixing processes.

In conclusion, by means of the technical scheme, the splashing on the belt weigher during blanking can be avoided, and the weighing accuracy of the belt weigher is improved; the mode that multiunit weighing device combines has improved production efficiency.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a compound fertilizer is raw materials weigher for production line, includes feed mechanism and weighing mechanism, its characterized in that: a flexible discharging pipe is arranged between the feeding mechanism and the weighing mechanism, a feeding port of the flexible discharging pipe is communicated with a discharging port of the feeding mechanism, and a pneumatic switch is arranged on the flexible discharging pipe; the weighing mechanism comprises a belt weigher and baffle plates arranged on two sides of the belt weigher, and the height of each baffle plate is higher than that of a discharge hole of the flexible discharge pipe.

2. The raw material metering scale for compound fertilizer production line according to claim 1, characterized in that: the feeding mechanism comprises a feeding bin and a conveying barrel, a discharging port of the feeding bin is communicated with a feeding port of the conveying barrel, a pushing motor is arranged at the end of the conveying barrel, a conveying rod is arranged inside the conveying barrel, spiral conveying blades are arranged on the surface of the conveying rod, and one end of the conveying rod is in transmission connection with the pushing motor.

3. The raw material metering scale for compound fertilizer production line according to claim 1, characterized in that: the pneumatic switch comprises clamping pincers and a clamping cylinder, the upper end of the clamping pincers is hinged to a discharge port of the feeding mechanism, and two ends of the clamping cylinder are hinged to the clamping pincers.

4. The raw material metering scale for compound fertilizer production line according to claim 1, characterized in that: the metering assembly line that feed mechanism and weighing mechanism constitute has the multiunit, the parallelly connected setting of metering assembly line, the discharge end of belt weigher still is equipped with the compounding jar, be connected through the compounding fill between the discharge end of belt weigher and the entry of compounding jar.

5. The raw material metering scale for a compound fertilizer production line as claimed in claim 4, wherein: the mixing tank upper end is equipped with the third motor, the third motor is connected with the mixing roller transmission that is equipped with in the mixing tank.

6. The raw material metering scale for a compound fertilizer production line as claimed in claim 4, wherein: the lower end of the mixing tank is provided with an outlet of the mixing tank, and a transmission belt is arranged below the mixing tank.

7. The raw material weighing scale for compound fertilizer production line according to claim 4, characterized in that: and an operation panel is arranged on the wall of the mixing tank and is electrically connected with the feeding mechanism, the weighing mechanism and the mixing mechanism.