CN201432975Y

CN201432975Y - Rotary disc type quantitative feeder

Info

Publication number: CN201432975Y
Application number: CN2009201853129U
Authority: CN
Inventors: 蒋明根; 王彦荣; 宋思科
Original assignee: SUZHOU ZHONGMENZI TECHNOLOGY Co Ltd
Current assignee: SUZHOU ZHONGMENZI TECHNOLOGY Co Ltd
Priority date: 2009-06-01
Filing date: 2009-06-01
Publication date: 2010-03-31
Anticipated expiration: 2019-06-01

Abstract

The utility model relates to a rotary disc type quantitative feeder which comprises a loading hopper, a spiral unloading channel with an inlet end and an outlet end is arranged in the loading hopper,a distributor is arranged at the outlet end, a space containing materials is arranged in the distributor, the inner bottom surface of the distributor is a slope surface which is tilted downwards gradually from the center to the external edge, the internal space of the distributor is equally divided into a plurality of distribution bins by the plurality of partition boards which are arranged alongthe radial direction, the size parameters of each distribution bin are matched with the total volume of the materials of the distribution bin, the distribution bins can rotate around a central line, all the distribution bins sequentially pass through the outlet end of the unloading channel during the rotation process and take away the falling materials, a discharge outlet is further formed at thelower end part of the loading hopper, all feeding bins are sequentially communicated with the discharge outlet during the rotation process of the distribution bins, and the materials in the bins slideout through the discharge outlet. The rotary disc type quantitative feeder can accurately control the number of the materials discharged from the discharge outlet by controlling the rotating speed ofthe distribution bins, thereby realizing the quantitative feeding.

Description

Turntable-type quantitative feeder

Technical field

The utility model relates to a kind of turntable-type quantitative feeder that is used for material charging control.

Background technology

At present, the charging of rolling body material mainly relies on first vibrations material loading, carries out the control of material inlet amount by the weighing mode again.Be specially: at first rolling body material is slided to vibrations material machine from feed hopper, the vibrations hopper makes material slide to discharge bucket, after the LOAD CELLS on the discharge bucket reaches limit value, stops vibrations, and discharge bucket transmits in stove.

Above-mentioned at first then relies on the method for LOAD CELLS weighing load again by the vibrations discharging, though can learn the inlet amount of material very intuitively.But, wanting to make that the discharge bucket on the LOAD CELLS stops vibrations fully, wait for for a long time, so when reality uses this LOAD CELLS to carry out weighing,, generally need only the severity that discharge bucket does not rock, attend school and fetch data in order to improve weighing efficient.This error of the situation of fetching data to cause weighing time of when rocking, attending school, and because general material loading all is a batch weighing, can become bigger so the error of every batch of weighing is added up, therefore, rely on the feed weight error of above-mentioned weighing sensor weighing very big.In addition, this sensor is fragile, malfunctioning, and influence is weighed.

The utility model content

The purpose of this utility model provides the little turntable-type quantitative feeder of a kind of weighing error.

For achieving the above object, the technical solution adopted in the utility model is: a kind of turntable-type quantitative feeder, comprise a feed hopper that is fixedly mounted on the hopper base, has a helix blanking channel in the feed hopper, this blanking channel has an entrance point and an exit end, described exit end place is provided with tripper, but this tripper inside has the space of splendid attire material, the inner bottom surface of described tripper is the downward-sloping gradually slope of mind-set outer edge therefrom, the inner space of described tripper is divided into a plurality of minutes feed bins by a plurality of dividing plates that are disposed radially, each divides feed bin dimensional parameters and the default cumulative volume that is contained in the material of this minute feed bin to be complementary, feed bin can rotate around the line of centers of tripper in described minute, described each minute, feed bin can pass through the exit end of described blanking channel successively in rotation process, and will take away from the material that described exit end falls, the bottom of described feed hopper also is provided with a discharging opening, in described minute feed bin rotating process, respectively adding feed bin can be connected with described discharging opening successively, and the material in the storehouse skids off by this discharging opening.

Preferably, described tripper comprises a rotating material separating disc, an annular retaining ring that is arranged on the periphery of described material separating disc, described annular retaining ring is fixed on feed hopper or the hopper base, but form the space of described splendid attire material between the inwall of described annular retaining ring and the upper surface of material separating disc, described discharging opening is opened on the described annular retaining ring.

Preferably, leave the gap between described minute feed bin and the described exit end, the height in this gap is less than the external diameter of single material.

Preferably, described discharging opening place also is connected to a slide formula material-falling hopper.

Preferably, have a flight in the described feed hopper, the upper surface of this flight constitutes described helix blanking channel, and the upper end of described feed hopper also is provided with baffle plate, and described baffle plate is used to limit the feed height of blanking channel.

Preferably, the exit end of described blanking channel also is provided with scraper plate, and this scraper plate is used for the Hatch Opening that fills the branch feed bin of material is wipeed off.

The utility model compared with prior art has following advantage: by a plurality of isometric minute feed bin is set, it is each like this that to fall into the material cumulative volume of each minute feed bin from exit end all roughly the same, because same batch materials, its size is identical, so it is identical to fall into the material number of branch feed bin at every turn, therefore, divide the rotating speed of feed bin by control, just can accurately control, thereby realize that charging quantizes the material number of discharge hole for discharge.And this feeder utilizes the gravity of material, do not need any additionaling power, and 100% self-emptying of material has excellent reliability in the feed bin, can not collide with.

Description of drawings

Accompanying drawing 1 is a front view of the present utility model;

Accompanying drawing 2 is a birds-eye view of the present utility model;

Accompanying drawing 3 is a block diagram of the present utility model;

Accompanying drawing 4 is an another block diagram of the present utility model;

Accompanying drawing 5 is the block diagram of material separating disc of the present utility model;

Wherein: 1, hopper base; 2, feed hopper; 21, flight; 22, core; 3, blanking channel; 31, entrance point; 32, exit end; 4, material separating disc; 41, material separating disc upper surface; 5, rotating shaft; 6, annular retaining ring; 61, discharging opening; 7, dividing plate; 8, divide feed bin; 9, slide formula material-falling hopper; 10, baffle plate.

The specific embodiment

Enumerate the specific embodiment of one employing technical solutions of the utility model below in conjunction with accompanying drawing.

A kind of turntable-type quantitative feeder shown in Fig. 1～4, it be mainly used in rolling body material (as steel ball,, the minimum cylinder of volume etc.) charging control.This feed arrangement comprises a hopper base 1, is installed with a feed hopper 2 on this hopper base 1, and the inside of feed hopper 2 is made up of core 22 that is positioned at central part and a flight 21 being looped around around the core 22.The upper surface of flight 21 constitutes helix blanking channel 3.The upper inner wall of feed hopper 2 is equipped with two baffle plates 10, and these two baffle plates 10 can limit the feed height of blanking channel 3 in feed hopper 2.

Blanking channel 3 has an entrance point 31 and an exit end 32, and the below of exit end 32 is provided with the box-like tripper of circle.This tripper comprises rotating material separating disc 4, is enclosed in the annular retaining ring 6 of material separating disc 4 outer edges, and annular retaining ring 6 is fixed on the lower edge of changeing hopper 2, and it does not rotate with material separating disc 4.The concrete structure of material separating disc 4 as shown in Figure 5, its upper surface 41 is to the downward-sloping gradually slope of outer edge from the center.The core 22 of feed hopper 2 is equipped with a rotating shaft 5 along centerline direction, and this rotating shaft 5 relies on a motor to realize rotating separately.Material separating disc 4 fixed covers are located in this rotating shaft 5, and when rotating shaft 5 was rotated around axial line, material separating disc 4 rotated thereupon.Form a space that is used for the splendid attire material between the upper surface 41 of the internal face of annular retaining ring 6 and material separating disc 4, this space is disposed radially a plurality of dividing plates 7 on material separating disc upper surface 41 and is divided into several minutes feed bin 8, each divides feed bin 8 dimensional parameters and the default cumulative volume that is contained in this minute feed bin globular material of 8 to be complementary, for example: when needs hold 3 materials in minute feed bin 8, the time volume of minute feed bin 8 will be decided to be in design and be slightly larger than 3 times of volume of material.Because material separating disc 4 is rotatable, thus each minute feed bin 8 also can rotate along with the rotation of rotating shaft 5.Along with the continuous rotation of rotating shaft 5, each minute feed bin 8 meetings exit end 32 successively through blanking channel 3.Because same batch materials measure-alike, each so total number of material that falls into branch feed bin 8 is all identical.For the feasible material discharging smoothly that divides in the feed bin 8, on annular retaining ring 6, also offer a discharging opening 61, the branch feed bin 8 that fills globular material is in rotation process, through this discharging opening 61, because constituting the inner bottom surface of branch feed bin 8 is slope, like this in case divide feed bin 8 to forward this discharging opening 61 places to, going out material in the feed bin 8 will be automatically, promptly skid off.And, also be connected to a slide formula material-falling hopper 9 at discharging opening 61 places in order to make the material that skids off to enter next step operation smoothly.

In order to make branch feed bin 8 more smooth and easy when rotating, leave the gap between minute feed bin 8 and exit end 32, the height in this gap should be less than the external diameter value of material, during as the globular material adorned, this gap just should divide feed bin 8 just can rotate smoothly less than the diameter of a globular material like this.

In addition, in order to make the unnecessary materials be deposited in the branch feed bin 8 to remove, also be provided with the scraper plate (not shown) at the exit end of blanking channel 3 in minute feed bin 8, this scraper plate can will fill the Hatch Opening of the branch feed bin 8 of material and wipe off.

Set forth the working process of this turntable-type quantitative feeder below: at first, place a bucket material to feed hopper 2 time by crane, partial material slides to exit end 32 places downwards by the entrance point 31 of helix blanking channel 3, between two baffle plates 10 of that part of solid accumulation that does not slide.This moment, a branch feed bin 8 just in time waited at exit end 32 places, and the material of some will fall in the branch feed bin 8, and along with rotating shaft 5 is rotated, the Hatch Opening of branch feed bin 8 is wipeed off by scraper plate 11 and away from exit end 32.When the branch feed bin 8 of content material forwarded discharging opening 61 places to, material skidded off in the storehouse rapidly, and fell in the equipment that goes on foot operation by slide formula material-falling hopper 9.The branch feed bin 5 that empties is along with the rotation of rotating shaft 5, and is constantly close to the exit end 32 of blanking channel 3 again, waits for next samsara.

Therefore, above-mentioned rotating disc type drawing mechanism can substitute traditional vibrations material loading, weighting apparatus, especially is suitable for the situation of control material quantity.It has changed the mode that in the past relies on the weighing weight of material, and the volume of dependence weighing material is accurately controlled the number of feed material, and weighing is more accurate.

The foregoing description only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the personage that is familiar with this technology can understand content of the present utility model and is implemented; can not limit protection domain of the present utility model with this; all equivalences of being done according to the utility model spirit change or modify, and all should be encompassed in the protection domain of the present utility model.

Claims

1, a kind of turntable-type quantitative feeder, it is characterized in that: comprise a feed hopper that is fixedly mounted on the hopper base, has a helix blanking channel in the feed hopper, this blanking channel has an entrance point and an exit end, described exit end place is provided with tripper, but this tripper inside has the space of splendid attire material, the inner bottom surface of described tripper is to the downward-sloping gradually slope of outer edge from the center, the inner space of described tripper is divided into a plurality of minutes feed bins by a plurality of dividing plates that are disposed radially, each divides feed bin dimensional parameters and the default cumulative volume that is contained in the globular material of this minute feed bin to be complementary, feed bin can rotate around the line of centers of tripper in described minute, described each minute, feed bin can pass through the exit end of described blanking channel successively in rotation process, and will be from then on the material that falls of exit end take away, the bottom of described feed hopper also is provided with a discharging opening, in described minute feed bin rotating process, respectively adding feed bin can be connected with described discharging opening successively, and the material in the storehouse skids off by this discharging opening.

2, turntable-type quantitative feeder according to claim 1, it is characterized in that: described tripper comprises a rotating material separating disc, an annular retaining ring that is arranged on the periphery of described material separating disc, described annular retaining ring is fixed on feed hopper or the hopper base, but form the space of described splendid attire material between the inwall of described annular retaining ring and the upper surface of material separating disc, described discharging opening is opened on the described annular retaining ring.

3, turntable-type quantitative feeder according to claim 1 is characterized in that: leave the gap between the exit end of described minute feed bin and described blanking channel, the height in this gap is less than the external diameter of single material.

4, turntable-type quantitative feeder according to claim 1 is characterized in that: described discharging opening place also is connected to a slide formula material-falling hopper.

5, turntable-type quantitative feeder according to claim 1, it is characterized in that: have a flight in the described feed hopper, the upper surface of this flight constitutes described helix blanking channel, the upper end of described feed hopper also is provided with baffle plate, and described baffle plate is used to limit the feed height of blanking channel.

6, turntable-type quantitative feeder according to claim 1 is characterized in that: the exit end of described blanking channel also is provided with scraper plate, and this scraper plate is used for the Hatch Opening that fills the branch feed bin of material is wipeed off.