阅读说明：本技术 一种振动减量称 (Vibration reduction scale ) 是由 罗建武 熊响桥 刘朝洪 廖子云 张毅 陈明 胡发源 严映红 童西刚 徐鹏 于 2021-08-05 设计创作，主要内容包括：本发明提供了一种能精确配送块料的振动减量称,通过将料斗分为储料斗和振动料斗,在料斗下方设置称重传感器,将块料质量的压力信号按比例转化成可计量的输出信号,来调节振动电机的振动功率,通过先快后慢的下料方式,实现精确配料；同时在储料斗下部和振动料斗上部的吊耳之间设置减震弹簧来避免储料斗的振动,防止干扰称重传感器转换输出信号,且储料斗下部的吊耳均设置电动升降装置,能够实现一键同步升降,调整储料斗与振动料斗之间的距离,实现块料活化,避免物料桥拱。(The invention provides a vibration reduction scale capable of accurately distributing lump materials, which is characterized in that a hopper is divided into a storage hopper and a vibration hopper, a weighing sensor is arranged below the hopper, a pressure signal of the mass of the lump materials is converted into a quantifiable output signal in proportion to adjust the vibration power of a vibration motor, and accurate batching is realized through a first-speed and second-speed blanking mode; simultaneously set up damping spring between the lug on storage hopper lower part and vibration hopper upper portion and avoid the vibration of storage hopper, prevent to disturb weighing sensor conversion output signal, and the lug of storage hopper lower part all sets up electric lift device, can realize a key synchronous lift, and the distance between adjustment storage hopper and the vibration hopper realizes the lump material activation, avoids the material bridge to encircle.)

1. A vibration reduction scale for lump materials comprises a frame and a hopper;

the hopper is suspended on the frame through a weighing sensor, and the weighing sensor converts a pressure signal of the mass of the lump material into a quantifiable output signal in proportion;

the hopper comprises a storage hopper and a vibration hopper, the vibration hopper is arranged below the storage hopper, a vibration motor is installed on the vibration hopper, when the mass of lump materials in the hopper reaches a preset value, the weighing sensor outputs signals, the vibration motor starts high-power vibration, the lump materials are quickly unloaded from the drum, when the unloading mass is close to the mass of the drum, the output signals change, the vibration motor starts low-power vibration, and the lump materials are slowly unloaded from the hopper.

2. The reducing scale according to claim 1, wherein when the mass of the lump material discharged reaches 90-95% of the mass required for the drum, the output signal is changed, and the vibration motor starts vibration with small power.

3. The reducing scale according to claim 1, wherein the number of the weighing sensors is three, and the weighing sensors are respectively arranged at the left side, the right side and the rear of the hopper.

4. The reducing scale according to claim 1, wherein the hopper is opened at the upper and lower sides, and the lump material is held by the vibration hopper at the lower side after entering the hopper from the upper side and is stored in the storage hopper;

preferably, a dustproof rubber curtain is arranged at an outlet below the hopper.

5. The decrement scale of claim 1, wherein the left side, the right side and the rear of the upper part of the storage hopper are provided with three lifting lugs for connecting with a weighing sensor; the storage hopper is characterized in that the left side and the right side of the lower portion of the storage hopper are provided with four lifting lugs, the left side and the right side of the upper portion of the vibration hopper are provided with four lifting lugs, and the lifting lugs on the left side and the right side of the upper portion of the vibration hopper are connected with the lifting lugs on the left side and the right side of the lower portion of the storage hopper through damping springs.

6. The reducing scale according to claim 5, wherein the four lifting lugs on the left and right sides of the lower portion of the storage hopper are respectively provided with an electric lifting device, so that one-key synchronous lifting can be realized, and the distance between the storage hopper and the vibration hopper can be adjusted.

7. The reducing scale according to claim 1, wherein two vibration motors are provided, and are respectively installed at left and right sides of a lower portion of the vibration hopper.

8. The reducing scale of claim 1, wherein the load cell and the vibration motor are both electrically connected to a control system.

9. The reducing scale of claim 1, wherein the load cell is an cantilevered load cell.

10. Use of the weight reducing scale of any one of claims 1-9 in a drum kit.

Technical Field

The application relates to the technical field of conveying and batching of lump materials, in particular to a vibration reduction scale for lump materials.

Background

When the drum matching weighing of the on-line automatic drum analysis of lump materials such as sinter, pellet and coke is carried out, a decrement scale is usually used. The traditional decrement scale generally adopts a belt conveyor or a spiral conveyor to unload materials, the belt conveyor adopts a belt to rotate to convey materials, the spiral conveyor uses a rotary conveying block material of a spiral blade, when the conveying capacity is small or high-precision batching is required, the belt conveyor measures the materials by a section of belt every time the materials are conveyed, and the precision requirement is difficult to meet; when the material has a large particle size, such as irregular block shape and large volume, the screw conveyor is easy to block, which affects normal production.

Therefore, there is a need to develop a device that can accurately dispense blocks to solve the above problems.

Disclosure of Invention

The embodiment of the application aims to provide a vibration reduction scale capable of accurately distributing lump materials, wherein a hopper is divided into a storage hopper and a vibration hopper, a weighing sensor is arranged below the hopper, a pressure signal of the mass of the lump materials is converted into a quantifiable output signal in proportion to adjust the vibration power of a vibration motor, and accurate batching is realized by a first-speed and last-slow blanking mode; meanwhile, a damping spring is arranged between the lifting lugs on the lower portion of the storage hopper and the upper portion of the vibration hopper to avoid vibration of the storage hopper, so that interference of conversion output signals of a weighing sensor is avoided, the lifting lugs on the left side and the right side of the lower portion of the storage hopper are all provided with an electric lifting device, one-key synchronous lifting can be realized, the distance between the storage hopper and the vibration hopper is adjusted, lump material activation is realized, and material bridging is avoided.

In a first aspect, an embodiment of the present application provides a lump material vibration reduction scale, which includes a frame and a hopper; the hopper is suspended on the frame through a weighing sensor, and the weighing sensor converts a pressure signal of the mass of the lump material into a quantifiable output signal in proportion;

the hopper comprises a storage hopper and a vibration hopper, the vibration hopper is arranged below the storage hopper, a vibration motor is installed on the vibration hopper, when the mass of lump materials in the hopper reaches a preset value, the weighing sensor outputs signals, the vibration motor starts high-power vibration, the lump materials are quickly unloaded from the drum, when the unloading mass is close to the mass of the drum, the output signals change, the vibration motor starts low-power vibration, and the lump materials are slowly unloaded from the hopper.

When the mass of the lump material discharged reaches 90-95% of the mass required by the drum, the output signal changes, and the vibration motor starts low-power vibration.

In the implementation process, the weight reduction weighing is to firstly measure the weight of the material in the hopper initially, reduce the weight of the material in the hopper after the unloading process, measure the weight of the material in the hopper, and then calculate the difference between the two measured weights of the material. This implementation process divide into storage hopper and vibration hopper with the hopper, can keep in and weigh the material behind the material screening, owing to set up weighing sensor in the hopper below, weighing sensor changes the pressure signal of lump material quality into output signal that can measure in proportion. When the drum is matched, a value can be preset, when the mass of the materials in the hopper reaches the preset value, the weighing sensor outputs signals, the vibration motor arranged on the vibration hopper is started, high-power vibration and quick blanking are carried out, the weight of the materials in the hopper is reduced, when the mass of the lump materials discharged reaches 90-95% of the mass required by the drum, the signals output by the weighing sensor can change, and after the vibration motor obtains an indication of the change of the output signals, low-power vibration is started, so that the lump materials are slowly discharged from the hopper. When the mass of the lump material discharged reaches the mass required by the drum, the vibration motor is turned off. Due to the first-speed and second-speed discharging mode, the materials can be accurately proportioned.

Furthermore, the number of the weighing sensors is three, and the weighing sensors are respectively arranged on the left side, the right side and the rear of the hopper.

In the implementation process, the weighing sensor converts the pressure signal of the mass of the lump material into a quantifiable output signal in proportion to guide the power conversion of the vibration motor, so that the material in the hopper needs to be accurately quantified. In the realization process, three weighing sensors are arranged and are respectively arranged at the left side and the right side of the hopper, the left side and the right side are symmetrically distributed, and the other weighing sensor is arranged at the rear part of the hopper, so that the hopper is prevented from being touched or interfered by mistake.

Furthermore, the hopper is provided with an upper opening and a lower opening, and the lump materials are supported by the vibration hopper below and stored in the storage hopper after entering the hopper from the upper part;

preferably, a dustproof rubber curtain is arranged at an outlet below the hopper.

In the implementation process, the hopper is divided into the storage hopper and the vibration hopper, the storage hopper and the vibration hopper are used as a hopper with a reduced weight scale, materials are always kept in the hopper, and after the lump materials enter the hopper from the upper part of the hopper, the lump materials are supported by the vibration hopper on the lower part and are stored in the storage hopper, so that the discharge at any time can be guaranteed when the drum is required to be matched. In order to avoid the dust from polluting the lump material, a dustproof rubber curtain is arranged at an outlet below the hopper.

Furthermore, the left side, the right side and the rear part of the upper part of the storage hopper are provided with three lifting lugs which are used for connecting a weighing sensor; the left side and the right side of the lower part of the storage hopper are provided with four lifting lugs, the left side and the right side of the upper part of the vibration hopper are provided with four lifting lugs, and the lifting lugs on the left side and the right side of the upper part of the vibration hopper are connected with the lifting lugs on the left side and the right side of the lower part of the storage hopper through damping springs; the number of the damping springs corresponds to the number of the upper lifting lugs and the lower lifting lugs, and is four.

In the implementation process, the left side, the right side and the rear of the upper part of the storage hopper are provided with three lifting lugs for connecting a weighing sensor. The storage hopper is connected with the vibration hopper through the damping spring by the aid of the lifting lugs. Because the vibrating hopper is provided with the vibrating motor, the weighing of the weighing sensor is easily interfered in the vibrating process, and a damping spring is arranged for avoiding the weighing error caused by vibration. In this implementation, according to the position of lug, the absorbing spring that bilateral symmetry set up guarantees absorbing homogeneity.

Furthermore, four lifting lugs on the left side and the right side of the lower portion of the storage hopper are provided with electric lifting devices, one-key synchronous lifting can be achieved, and the distance between the storage hopper and the vibration hopper is adjusted.

In the implementation process, the distance between the storage hopper and the vibration hopper can be adjusted. Storage hopper and vibration hopper are connected with damping spring through the lug, and damping spring's length is generally unchangeable, sets up electric lift device at four lugs of storage hopper lower part left and right sides after, can realize a key synchronous lift, drives damping spring and goes up and down, has just also adjusted the vertical distance between storage hopper and the vibration hopper, makes the material up-and-down motion in the hopper, realizes the activation of lump material, avoids the material bridge to encircle.

Furthermore, the number of the vibration motors is two, and the two vibration motors are respectively arranged on the left side and the right side of the lower part of the vibration hopper.

In the implementation process, the vibrating motors are symmetrically arranged on the left side and the right side of the lower part of the vibrating hopper, and the vibrating hopper is mainly used for enabling the influence of vibration on materials to be uniform.

Further, the weighing sensor and the vibration motor are both electrically connected with a control system.

In the implementation process, when the material is in the hopper, the weighing sensor constantly conveys signals to the control system, after the material reaches a preset value in the hopper and needs to be matched with the drum, the weighing sensor converts pressure signals into output signals capable of being metered in proportion, the control system controls the vibration motor to start after obtaining the signals and performs high-power vibration, when the discharged material is to reach the mass required by the matched drum, the weighing sensor also outputs the signals, and the control system correspondingly adjusts the frequency of the vibration motor to enable the vibration motor to perform low-power vibration.

Further, the load cell is an cantilever beam type load cell.

In a second aspect, embodiments of the present application also provide a use of the bulk material vibration reduction scale according to the above description in a bulk material fitting drum.

Has the advantages that:

in the implementation process, the invention provides a vibration reduction scale capable of accurately distributing lump materials, wherein the hopper is divided into a storage hopper and a vibration hopper, a weighing sensor is arranged below the hopper, a pressure signal of the mass of the lump materials is converted into a quantifiable output signal in proportion to adjust the vibration power of a vibration motor, and accurate batching is realized by a first-speed and last-slow blanking mode; simultaneously set up damping spring between the lug on storage hopper lower part and vibration hopper upper portion and avoid the vibration of storage hopper, prevent to disturb weighing sensor conversion output signal, and the lug of storage hopper lower part all sets up electric lift device, can realize a key synchronous lift, and the distance between adjustment storage hopper and the vibration hopper realizes the lump material activation, avoids the material bridge to encircle.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a side view of the vibration reduction scale.

Fig. 2 is a back view of the vibration reduction balance.

FIG. 3 is a side view of the hopper.

Fig. 4 is a front view of the frame.

Fig. 5 is a front structural view of the storage hopper.

FIG. 6 is a side view of the storage hopper.

Fig. 7 is a front view of the vibration hopper.

Fig. 8 is a side view of the vibrating hopper.

Fig. 9 is a structural view of an electric lifting device for lifting lugs.

Wherein each reference numeral is, 1-frame; 2-a hopper; 3-a weighing sensor; 4, a storage hopper; 5-vibrating the hopper; 6-damping spring; 7-lifting lugs; 8, a dustproof rubber curtain; 9-a vibration motor; 10-electric lifting device.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, 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 application can be understood in a specific case by those of ordinary skill in the art.

Examples

Referring to fig. 1-8, the present embodiment provides a lump material vibration reduction scale, which includes a frame 1, a hopper 2; the hopper 2 is suspended on the frame 1 through a weighing sensor 3, and the weighing sensor 3 proportionally converts a pressure signal of the mass of the lump material into a quantifiable output signal; hopper 2 includes storage hopper 4 and vibration hopper 5, vibration hopper 5 is arranged in storage hopper 4 below, install vibrating motor 9 on the vibration hopper 5, when the lump material quality in hopper 2 reaches more than the default, weighing sensor 3 output signal, vibrating motor 9 starts high-power vibration, and the lump material is unloaded fast and is joined in marriage the drum, and when unloading the quality and will reach and join in marriage the drum quality soon, output signal changes, vibrating motor 9 starts the low-power vibration, and the lump material is slowly unloaded from the hopper.

When the mass of the lump material discharged reaches 90-95% of the mass required by the drum, the output signal changes, and the vibration motor starts low-power vibration.

The three weighing sensors 3 are respectively arranged at the left side, the right side and the rear part of the hopper 2.

The hopper 2 is provided with an upper opening and a lower opening, and after the lump materials enter the hopper 2 from the upper part, the lump materials are supported by the vibration hopper 5 at the lower part and are stored in the storage hopper 4; and a dustproof rubber curtain 8 is arranged at an outlet below the hopper 2.

The left side, the right side and the rear part of the upper part of the storage hopper 4 are provided with three lifting lugs 7 which are used for connecting the weighing sensor 3; the left side and the right side of the lower part of the storage hopper 4 are provided with four lifting lugs 7, the left side and the right side of the upper part of the vibration hopper 5 are provided with four lifting lugs 7, and the lifting lugs on the left side and the right side of the upper part of the vibration hopper 5 are connected with the lifting lugs 7 on the left side and the right side of the lower part of the storage hopper 4 through damping springs 6; the damping springs are four. The damping springs 6 are connected with the lifting lugs 7 on the left side and the right side of the lower portion of the storage hopper 4 and the lifting lugs 7 on the left side and the right side of the upper portion of the vibrating hopper 5, and the four damping springs 6 are respectively connected with the corresponding lifting lugs up and down.

The two vibration motors 9 are respectively arranged at the left side and the right side of the lower part of the vibration hopper 5. The weighing sensor 3 and the vibration motor 9 are both electrically connected with a control system. The weighing sensor 3 is a cantilever beam type weighing sensor.

Referring to fig. 9, the four lifting lugs on the left and right sides of the lower portion of the storage hopper 4 are all provided with electric lifting devices, so that one-key synchronous lifting can be realized, and the distance between the storage hopper and the vibration hopper can be adjusted.

In the implementation process, the vibrating motors are symmetrically arranged on the left side and the right side of the lower part of the vibrating hopper, and the vibrating hopper is mainly used for enabling the influence of vibration on materials to be uniform.

In the implementation process, when the material is in the hopper, the weighing sensor constantly conveys signals to the control system, after the material reaches a preset value in the hopper and needs to be matched with the drum, the weighing sensor converts pressure signals into output signals capable of being metered in proportion, the control system controls the vibration motor to start after obtaining the signals and performs high-power vibration, when the discharged material is to reach the mass required by the matched drum, the weighing sensor also outputs the signals, and the control system correspondingly adjusts the frequency of the vibration motor to enable the vibration motor to perform low-power vibration.

In the implementation process, the weight reduction weighing is to firstly measure the weight of the material in the hopper initially, reduce the weight of the material in the hopper after the unloading process, measure the weight of the material in the hopper, and then calculate the difference between the two measured weights of the material. This implementation process divide into storage hopper and vibration hopper with the hopper, can keep in and weigh the material behind the material screening, owing to set up weighing sensor in the hopper below, weighing sensor changes the pressure signal of lump material quality into output signal that can measure in proportion. When the drum is matched, a value can be preset, when the mass of the materials in the hopper reaches the preset value, the weighing sensor outputs signals, the vibration motor arranged on the vibration hopper is started, high-power vibration and quick blanking are carried out, the weight of the materials in the hopper is reduced, when the mass of the lump materials discharged reaches 90-95% of the mass required by the drum, the signals output by the weighing sensor can change, and after the vibration motor obtains an indication of the change of the output signals, low-power vibration is started, so that the lump materials are slowly discharged from the hopper. When the mass of the lump material discharged reaches the mass required by the drum, the vibration motor is turned off. Due to the first-speed and second-speed discharging mode, the materials can be accurately proportioned.

In the implementation process, the weighing sensor converts the pressure signal of the mass of the lump material into a quantifiable output signal in proportion to guide the power conversion of the vibration motor, so that the material in the hopper needs to be accurately quantified. In the realization process, three weighing sensors are arranged and are respectively arranged at the left side and the right side of the hopper, the left side and the right side are symmetrically distributed, and the other weighing sensor is arranged at the rear part of the hopper, so that the hopper is prevented from being touched or interfered by mistake.

In the implementation process, the hopper is divided into the storage hopper and the vibration hopper, the storage hopper and the vibration hopper are used as a hopper with a reduced weight scale, materials are always kept in the hopper, and after the lump materials enter the hopper from the upper part of the hopper, the lump materials are supported by the vibration hopper on the lower part and are stored in the storage hopper, so that the discharge at any time can be guaranteed when the drum is required to be matched. In order to avoid the dust from polluting the lump material, a dustproof rubber curtain is arranged at an outlet below the hopper.

In the implementation process, the left side, the right side and the rear of the upper part of the storage hopper are provided with three lifting lugs for connecting a weighing sensor. The storage hopper is connected with the vibration hopper through the damping spring by the aid of the lifting lugs. Because the vibrating hopper is provided with the vibrating motor, the weighing of the weighing sensor is easily interfered in the vibrating process, and a damping spring is arranged for avoiding the weighing error caused by vibration. In this implementation, according to the position of lug, the absorbing spring that bilateral symmetry set up guarantees absorbing homogeneity.

In the implementation process, the distance between the storage hopper and the vibration hopper can be adjusted. The storage hopper is connected with the vibration hopper through the lifting lug and the damping spring. Damping spring's length is generally unchangeable, sets up electric lift device at four lugs of storage hopper lower part left and right sides after, can realize a key synchronous lift, drives damping spring and goes up and down, has just also adjusted the vertical distance between storage hopper and the vibration hopper, makes the material up-and-down motion in the hopper, realizes the activation of lump material, avoids the material bridge to encircle.

The embodiment of the application also provides an application of the block vibration reduction scale in the block drum. The hopper is divided into a storage hopper and a vibration hopper, a weighing sensor is arranged below the hopper, a pressure signal of the mass of the lump material is converted into a quantifiable output signal according to a proportion to adjust the vibration power of a vibration motor, and accurate batching is realized by a first-speed and then-slow blanking drum-matching mode; simultaneously set up damping spring between the lug on storage hopper lower part and vibration hopper upper portion and avoid the vibration of storage hopper, prevent to disturb weighing sensor conversion output signal, and the lug of storage hopper lower part all sets up electric lift device, can realize a key synchronous lift, and the distance between adjustment storage hopper and the vibration hopper realizes the lump material activation, avoids the material bridge to encircle.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.