CN101580175B - Turntable-type quantitative feeder - Google Patents

Turntable-type quantitative feeder Download PDF

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Publication number
CN101580175B
CN101580175B CN2009101154824A CN200910115482A CN101580175B CN 101580175 B CN101580175 B CN 101580175B CN 2009101154824 A CN2009101154824 A CN 2009101154824A CN 200910115482 A CN200910115482 A CN 200910115482A CN 101580175 B CN101580175 B CN 101580175B
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CN
China
Prior art keywords
feed bin
feed
hopper
exit
blanking channel
Prior art date
Application number
CN2009101154824A
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Chinese (zh)
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CN101580175A (en
Inventor
蒋明根
王彦荣
宋思科
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苏州中门子科技有限公司
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Priority to CN2009101154824A priority Critical patent/CN101580175B/en
Publication of CN101580175A publication Critical patent/CN101580175A/en
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Publication of CN101580175B publication Critical patent/CN101580175B/en

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Abstract

The invention relates to a turntable-type quantitative feeder, comprising a charging hopper which is internally provided with a spiral feeding passage with an inlet end and an outlet end; the outlet end is provided with a distributor which is internally provided with a space for containing articles; the internal bottom surface of the distributor is a slope surface which inclines downwards gradually from the center to the external edge; the internal space of the distributor is divided into a plurality of distribution bins by a plurality of screens that are arranged along the radial direction; the dimension parameter of each distribution bin is matched with the total volume of the material in the distribution bins; the distribution bins can rotate around a central line; each distribution binsequentially passes by the outlet end of the feeding passage during the rotation process and takes away the fallen materials; the lower end of the charging hopper is also provided with a material out let; during the rotation process of the distribution bins, each charging bin is sequentially communicated with the material outlet; and the materials in the bins slide out by the material outlet. By controlling the rotation speed of the distribution bin, the amount of the materials at the material outlet can be controlled exactly, thus realizing the feeding quantization.

Description

Turntable-type quantitative feeder
Technical field
The present invention 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 through 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 through the vibrations discharging again, 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.
Summary of the invention
The purpose of this invention is to provide the little turntable-type quantitative feeder of a kind of weighing error.
For achieving the above object, the technical scheme that the present invention adopts is: a kind of turntable-type quantitative feeder comprises 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, and 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, and each divides feed bin dimensional parameters and the preset cumulative volume that is contained in the material of this minute feed bin to be complementary, and 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 through 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 of the branch feed bin that fills material is wipeed off.
The present invention compared with prior art has following advantage: through a plurality of isometric minute feed bin is set, each like this 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 through 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 invention;
Accompanying drawing 2 is a birds-eye view of the present invention;
Accompanying drawing 3 is a block diagram of the present invention;
Accompanying drawing 4 is an another block diagram of the present invention;
Accompanying drawing 5 is the block diagram of material separating disc of the present invention;
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 scheme of the present invention 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 that is positioned at central part 22 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 is as shown in Figure 5, and 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 preset 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 will the volume that divide feed bin 8 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.Divide the material discharging smoothly in the feed bin 8 in order to make; On annular retaining ring 6, also offer a discharging opening 61; The branch feed bin 8 that fills globular material through this discharging opening 61, is a slope owing to constitute the inner bottom surface of branch feed bin 8 in rotation process; 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 get into next step operation smoothly.
In order to make branch feed bin 8 more smooth and easy when rotating; Between minute feed bin 8 and exit end 32, leave the gap, the height in this gap should be less than the external diameter value of material, during like 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 in minute feed bin 8, to remove, also be provided with the scraper plate (not shown) at the exit end of blanking channel 3, 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; Placed a bucket material to 2 last times of feed hopper 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 that divides feed bin 8 is by scraper plate 11 stricklings 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 through slide formula material-falling hopper 9.The branch feed bin 5 that empties is along with the rotation of rotating shaft 5, again constantly to the exit end 32 of blanking channel 3 near, wait 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 relies on the volume of weighing material to come the accurately number of control feed material, and weighing is more accurate.
The foregoing description only is explanation technical conceive of the present invention and characteristics; Its purpose is to let the personage that is familiar with this technology can understand content of the present invention and implements; Can not limit protection scope of the present invention with this; All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.

Claims (4)

1. a turntable-type quantitative feeder is characterized in that: comprise a feed hopper that is fixedly mounted on the hopper base, have a helix blanking channel in the feed hopper; This blanking channel has an entrance point and an exit end, and 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, and each divides feed bin dimensional parameters and the preset cumulative volume that is contained in the globular material of this minute feed bin to be complementary, and leaves 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; The exit end of described blanking channel also is provided with scraper plate, and this scraper plate is used for the Hatch Opening of the branch feed bin that fills material is wipeed off, and 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; Each minute, feed bin can be connected with described discharging opening successively, and the material in the storehouse skids off through 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: described discharging opening place also is connected to a slide formula material-falling hopper.
4. 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.
CN2009101154824A 2009-06-01 2009-06-01 Turntable-type quantitative feeder CN101580175B (en)

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CN101580175B true CN101580175B (en) 2012-07-11

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