CN211927063U

CN211927063U - Bidirectional power metering scale

Info

Publication number: CN211927063U
Application number: CN202020895089.3U
Authority: CN
Inventors: 吕元元; 毛君豪; 崔永成; 范家秀
Original assignee: Zhengzhou Tongding Machinery Equipment Co ltd
Current assignee: Zhengzhou Tongding Machinery Equipment Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-11-13
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a bidirectional power metering scale, which relates to the field of material conveying equipment, a storage bin and a spiral discharging mechanism which are connected are arranged on a frame, a weighing sensor is arranged at the position of the frame connected with the storage bin, a bin cover is arranged at the top of the storage bin, a batching inlet is arranged on the bin cover, a plurality of batching inlets are arranged, an upstream spiral conveyor is arranged at the position of the frame corresponding to the batching inlet, the spiral discharging mechanism is arranged at the position of the frame corresponding to the discharging position at the bottom of the storage bin, the spiral discharging mechanism comprises a discharging barrel, the discharging barrel is horizontally arranged at the position of the frame corresponding to the bottom of the storage bin, the inner cavity of the discharging barrel is communicated with the storage bin, a material conveying auger is coaxially arranged in the discharging barrel, one end of the material conveying auger extends out of the discharging barrel and is connected with a, discharge gate one, discharge gate two have been seted up respectively to corresponding both ends position on the play feed cylinder lateral wall, possess two ejection of compact functions, equipment overall structure compact's advantage.

Description

Bidirectional power metering scale

Technical Field

The utility model relates to a material conveying equipment field especially relates to a two-way power weigher.

Background

In the field of dry-mixed mortar, a spiral conveyor is generally adopted for material conveying, if a production line A is required to be added in the production process, a metering scale of the production line A can be borrowed from a production line B, but the existing material conveyor only has one discharge port, the ordinary metering scale can only be used on one production line, cannot be borrowed or shared, cannot meet the requirements of existing equipment, and each metering scale needs to be provided with an upstream spiral conveyor and a downstream spiral conveyor independently, so that the equipment installation and production cost is increased.

Disclosure of Invention

An object of the utility model is to overcome not enough among the prior art, provide a two-way power weigher, possess two ejection of compact functions, equipment overall structure compact's advantage.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the frame is provided with a storage bin and a spiral discharging mechanism which are connected, a weighing sensor is arranged at the connecting position of the frame and the storage bin, the top of the storage bin is provided with a bin cover, the bin cover is provided with a plurality of batching inlets, an upstream screw conveyor is arranged on the machine frame corresponding to the position of the ingredient inlet, the screw discharging mechanism is arranged on the machine frame corresponding to the position of the discharging at the bottom of the storage bin, the spiral discharging mechanism comprises a discharging barrel which is horizontally arranged on the rack corresponding to the bottom of the storage bin, the inner cavity of the discharge barrel is communicated with the storage bin, a material conveying auger is coaxially arranged in the discharge barrel, one end of the conveying auger extends out of the discharge barrel and is connected with a driving motor through a speed reducer, and a first discharge port and a second discharge port are formed in the outer side wall of the discharge barrel and correspond to the positions of the two ends respectively.

In order to further optimize the utility model discloses, can prefer following technical scheme for use:

preferably, the outer side wall of the storage bin is hinged with an access door, and the outer side wall of the storage bin is also provided with a vibrating motor.

Preferably, the driving motor adopts a variable frequency motor for controlling the bidirectional rotation of the material conveying auger, and butterfly valves are arranged on the first discharge port and the second discharge port.

Preferably, the discharge port and the ingredient inlet of the upstream screw conveyor are connected through a soft connecting cylinder.

Preferably, the weighing sensors are provided with three sensors which are distributed in a regular triangle.

Preferably, the frame comprises a square pipe and a rectangular pipe which are welded with each other.

Preferably, the material conveying auger comprises a variable pitch part I, a constant pitch part I and a variable pitch part II which are integrally formed, and the pitches of the variable pitch part I and the variable pitch part II are linearly increased along the material conveying direction.

Preferably, the pitch of the first constant pitch part is 150mm, the pitch range of the first variable pitch part and the second variable pitch part is 150-180 mm,

preferably, a W-shaped feeding cone is arranged in the storage bin, and the included angle between the conical surface of the feeding cone and the horizontal plane is 50-60 degrees.

The beneficial effects of the utility model reside in that:

1. the middle rack breaks the tradition, adopts square pipes and rectangular pipes for welding and forming, not only reduces the weight, but also is more beautiful than a channel steel welded rack, the bin body is further welded with the outer pipe of the screw conveyer, after the raw material is weighed, the raw material directly enters the spiral blade, and the feeding is free from blocking; the vibrating motor is arranged on the outer wall of the bin body, in the unloading process, the weighing sensor transmits a weight signal to the central control system in real time, a weight signal value is set by calculating the conveying capacity value of the screw conveyor, and the weight signal value ensures that the vibrating machine can start to vibrate 30s before the unloading is finished, so that the bin is cleaned, and no residue is left in the bin body. And (3) adopting an accumulation metering mode to enable all the various raw materials to enter 1 metering bin body, respectively weighing the raw materials and transmitting a weight signal to a central control system.

2. The utility model perfectly combines the bin body, the sensor and the downstream screw conveyor into a whole, so that the raw materials can be conveyed to the downstream equipment after the weighing scale weighs the raw materials, and two functions of metering and transferring are completed; because the two are combined together, the overall height of the equipment is reduced, and the height of the equipment associated with the weighing scale is reduced, particularly the height of the bucket elevator is reduced, so that the investment cost is directly saved.

3. The utility model discloses well screw conveyer anticlockwise rotation, raw materials after will weighing are carried to production line A, clockwise rotation, carry the raw materials to production line B, can satisfy the demand of one set of weighing and metering equipment of two production line sharings, for the user saves investment cost, adopt W-shaped feeding awl to distribute the spiral feed inlet to the raw materials uniformly, make the screw conveyer atress even, the toper spiral feed inlet of two W-shaped feeding awl, the conical surface is 50 ~ 60 with the contained angle of horizontal plane, guarantee that the raw materials can flow automatically, there is not the jam. The utility model discloses well discharge gate increases manual butterfly valve, and when A production line during operation, export B's valve is closed, and when B production line during operation, export A's valve is closed, can guarantee that production line A and production line B do not cluster the material.

Drawings

FIG. 1 is a front view of a two-way scale;

FIG. 2 is a top view of a two-way scale;

FIG. 3 is a schematic view of a conveying auger structure.

Wherein: 1-a frame, 2-a storage bin, 3-a bin cover, 4-a batching inlet, 5-a first discharge port and 6-a second discharge port. 7-a first butterfly valve, 8-a second butterfly valve, 9-a discharge barrel, 10-a speed reducer, 11-a servo drive motor, 12-an upstream screw conveyor, 13-a flexible connecting barrel, 14-a weighing sensor, 15-an access door, 16-a vibration motor, 17-a W-shaped feeding cone, 18-a first variable pitch part, 19-a first constant pitch part and 20-a second variable pitch part.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in figures 1-3, a bidirectional power metering scale comprises a frame 1, the frame 1 comprises a square pipe and a rectangular pipe which are welded with each other, the square pipe and the rectangular pipe are welded to form the bidirectional power metering scale, not only the weight is reduced, but also a storage bin 2 is more attractive than a channel steel welded frame, a bin cover 3 is arranged at the top of the storage bin, a batching inlet is arranged on the bin cover, an upstream screw conveyor 12 is arranged at a position corresponding to the batching inlet on the frame, a discharge port of the upstream screw conveyor is connected with the batching inlet 4 through a flexible connecting cylinder 13, a plurality of batching inlets are arranged, a bin body, a sensor and a downstream screw conveyor are perfectly combined into a whole, so that after the metering scale weighs raw materials, the raw materials can be conveyed to downstream equipment, the metering and transferring functions are completed, and because the two are combined together, the total height of the equipment is reduced, at the same time, the height of the equipment associated with the weighing scale is reduced, especially the height of the bucket elevator is reduced, and the investment cost is directly saved.

A W-shaped feeding cone is arranged in the storage bin, and the included angle between the conical surface of the discharging cone and the horizontal plane is 50-60 degrees, so that the raw materials can flow automatically and are free of blockage; the raw materials are uniformly distributed to the spiral feeding holes by adopting the W-shaped feeding cones, so that the stress of the spiral conveyor is uniform, the conical spiral feeding holes of the two W-shaped feeding cones 17 are provided with spiral discharging mechanisms corresponding to the discharging positions at the bottom of the W-shaped feeding cones on the rack, each spiral discharging mechanism comprises a discharging barrel 9, the discharging barrels 9 are horizontally arranged on the rack corresponding to the bottom of the storage bin, the inner cavities of the discharging barrels are communicated with the storage bin, the bin body of the storage bin is welded with the discharging barrel of each spiral discharging mechanism, the raw materials directly enter the spiral blades after being weighed, and the feeding is free of blocking; the coaxial arrangement has defeated material auger in the feed cylinder, defeated material auger one end extends the feed cylinder and is connected with servo drive motor 11 through speed reducer 10, defeated material auger includes variable pitch portion one, constant pitch portion one 19, variable pitch portion two 20 that integrated into one piece formed, the pitch of variable pitch portion one 18, variable pitch portion two increases progressively along defeated material direction linearity, the pitch of constant pitch portion one is 150mm, the effect is leading-in the raw materials that accomplish the weighing in the screw conveyer, the pitch scope of variable pitch portion one, variable pitch portion two is 150 ~ 180mm, the effect is carried the raw materials to production line A (or production line B), discharge gate one, discharge gate two have been seted up respectively to corresponding both ends position on the feed cylinder lateral wall, discharge gate one 5, discharge gate 6 are two and install butterfly valve one 7, butterfly valve two 8 respectively, the utility model discloses well discharge gate increase manual butterfly valve, when A production line was worked, the valve of the outlet B is closed, and when the production line B works, the valve of the outlet A is closed, so that the production line A and the production line B can be prevented from mixing. The position department of being connected with the storage silo in the frame installs weighing sensor 14, and weighing sensor 14 installs three and is regular triangle-shaped and distributes, guarantees support process's stability and weighing accuracy. The hinged installation has access door 15 on the storage silo lateral wall, still installs vibrating motor 16 on the storage silo lateral wall, and the in-process of unloading, weighing sensor pass the weight signal to central control system in real time, through the value of the conveying capacity of calculation screw conveyer, sets for a weight signal value, and this value guarantees that vibrating motor can begin to vibrate 30s before the end of unloading for clear storehouse guarantees that the storehouse is internal not to have the residue.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a two-way power weigher, includes the frame, its characterized in that: the frame is provided with a storage bin and a spiral discharging mechanism which are connected, a weighing sensor is arranged at the connecting position of the frame and the storage bin, the top of the storage bin is provided with a bin cover, the bin cover is provided with a plurality of batching inlets, an upstream screw conveyor is arranged on the machine frame corresponding to the position of the ingredient inlet, the screw discharging mechanism is arranged on the machine frame corresponding to the position of the discharging at the bottom of the storage bin, the spiral discharging mechanism comprises a discharging barrel which is horizontally arranged on the rack corresponding to the bottom of the storage bin, the inner cavity of the discharge barrel is communicated with the storage bin, a material conveying auger is coaxially arranged in the discharge barrel, one end of the conveying auger extends out of the discharge barrel and is connected with a driving motor through a speed reducer, and a first discharge port and a second discharge port are formed in the outer side wall of the discharge barrel and correspond to the positions of the two ends respectively.

2. The bi-directional power scale of claim 1, wherein: the outer side wall of the storage bin is hinged with an access door, and the outer side wall of the storage bin is further provided with a vibrating motor.

3. The bi-directional power scale of claim 1, wherein: the driving motor adopts a variable frequency motor for controlling the two-way rotation of the material conveying auger, and butterfly valves are arranged on the first discharge port and the second discharge port.

4. The bi-directional power scale of claim 1, wherein: the discharge port of the upstream screw conveyor is connected with the ingredient inlet through a soft connecting cylinder.

5. The bi-directional power scale of claim 1, wherein: the weighing sensor is provided with three sensors which are distributed in a regular triangle.

6. The bi-directional power scale of claim 1, wherein: the frame includes square pipe, the rectangular pipe of mutual welded.

7. The bi-directional power scale of claim 1, wherein: the material conveying auger comprises a variable pitch part I, a constant pitch part I and a variable pitch part II which are integrally formed, and the pitches of the variable pitch part I and the variable pitch part II are linearly increased along the material conveying direction.

8. The bi-directional power scale of claim 7, wherein: the pitch of the first constant pitch part is 150mm, and the pitch ranges of the first variable pitch part and the second variable pitch part are 150-180 mm.

9. The bi-directional power scale of claim 1, wherein: a W-shaped feeding cone is arranged in the storage bin, and the included angle between the conical surface of the feeding cone and the horizontal plane is 50-60 degrees.