A kind of adjustable powder metering feeder
Technical field
The utility model relates to powder forming field, in particular to a kind of adjustable powder metering feeder.
Background technique
Powder forming is to make the closely knit technique at the briquet with certain shapes, size, density and intensity of metal powder opisthosoma
Process, it is one of basic working procedure of powder metallurgical technique, and metal powder is carried out powder pre-treating as powder forming is previous
To meet the requirement of forming.Currently, powder forming common method is exactly to be pressed and molded, i.e., powdery end is put under forming temperature
In mold cavity, then die closing pressurizes and makes its molding.In order to realize continuous automation powder forming production, the feeding of powder
Device must have the function that powder, automatic batch powder feeding are filled out in quantitative adjusting.
Such as the Chinese patent that notification number is CN106825555A, discloses a kind of powder quantitative-feedingdevice device and powder compacting is set
It is standby, quantitative powder is accommodated by setting dosing hole, according to the actual use situation of powder, by adjustment quantitative bar in dosing hole
The interior amount of protruding into carrys out the volume in adjustment quantitative hole, so as to easily change very much the powder amount accommodated in dosing hole, improves
To the adaptability for the production that different powders need.Dosing hole fills up powder and carries out once quantitatively, leading to again later to powder
It crosses dosing hole to be aligned with material path and powder is enable to drop out through material path, can carry out again later next time quantitatively, it is fixed to realize
Amount process is carried out continuously.
The patent propose a kind of powder quantitative-feedingdevice device, because its structure design and working method be unable to satisfy instantly powder at
Many requirements of shape work, have the disadvantage in that
1. only realizing double powder feeding, it cannot achieve multiple rows of more acupuncture point powder feedings, single controls to adjust powder amount cave number generally 10
Cave or so, working efficiency are low;
2. powder needle contact area is excessive, friction is serious, easily leads to stuck, and mechanism wear seriously will lead to and send when used for a long time
The failure of powder precision, service life are short;
3. mechanism kinematic part directly contacts friction with steel using steel, easily generate mechanism magnetic, when powder feeding material is
When the magnetic materials such as iron powder, powder pushing precision is influenced, causes powder feeding failure or Forming Quality low.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of adjustable powder metering feeding dress
It sets.
In order to achieve the above objectives, the technical scheme adopted by the utility model to solve the technical problem is as follows: it is a kind of adjustable
Powder metering feeder, including powder amount filling mechanism, powder needle group, powder needle movement mechanism and powder amount carrier mechanism;
The powder amount filling mechanism includes the powder box being from top to bottom arranged, metering plate and fills out powder positioning plate, described to fill out fen-ting
Two sides are respectively equipped with straight line cylinder A and straight line cylinder B, the straight line cylinder A connection powder box on the plate of position, and the straight line cylinder B connects
Connect metering plate;
If the powder needle group includes that locating outer frame, powder needle positioning plate and Dry Weight per Unit powder needle, the locating outer frame are connected and fixed
In filling out powder positioning plate lower wall, the powder needle positioning plate is set in locating outer frame, and powder is fixed in several quantitative powder needle intercalations
On needle positioning plate and rectangular array is distributed, and the quantitative powder needle upper end, which is run through, to be filled out powder positioning plate and protrude into metering plate;
Powder needle movement mechanism includes servo motor, bottom plate, moving slide block and pair of sliding guide pad, a pair of cunning
Action-oriented block is oppositely arranged, and locating outer frame is fixed in the upper end, and bottom plate is fixed in lower end, and the moving slide block is located in a pair of of cunning
Between action-oriented block and limit is abutted, the upper end is through locating outer frame and connects powder needle positioning plate, and lower end is extended with ball wire
Bar, the ball screw end is through bottom plate and is equipped with driving wheel B, and the servo motor is fixed on bottom plate side, shaft court
Driving wheel A, the driving wheel A and driving wheel B is had to be located at same level and be connected with transmission belt;
The powder amount carrier mechanism includes straight line slide unit and carrier plate, and the straight line slide unit includes slide unit support plate, linearly leads
Bar and sliding cylinder, slide unit support plate one end are connected and fixed on locating outer frame, the carrier plate be set to fill out powder positioning plate and
Between powder needle positioning plate, one end is fixed on sliding cylinder, and the other end is extended with several delivery powder forks, several delivery powder forks
Arranged in parallel and be spaced apart from each other, the delivery powder fork protrudes into the ranks gap of quantitative powder needle and is staggered with quantitative powder needle,
The delivery powder fork end arrangement is equipped with several powder delivery grooves.
Preferably, the powder positioning plate of filling out is made of brass material.
Preferably, the powder box upper wall is evenly distributed several powder inlets.
Preferably, moving slide block two sides side wall is extended with clamping block, slide-and-guide block side side wall outwardly
Through engaging slot is equipped with, the clamping block and engaging slot are mutually matched and plug together fixation.
Preferably, be equipped with lifting regulating mechanism below the straight line slide unit, the lifting regulating mechanism include by up to
Support plate, telescopic rod and the adjustment seat of lower setting, telescopic rod upper end fixed support plate, lower end is protruded into adjustment seat, described
Support plate is connected and fixed on slide unit support plate lower wall.
Preferably, the number of the delivery powder fork is no less than 6.
Preferably, the number that the single delivery powder pitches upper powder delivery groove is no less than 5.
Preferably, the powder delivery groove is square, aperture is run through in funnel-form and bottom surface.
Due to the application of the above technical scheme, the utility model have compared with prior art it is following the utility model has the advantages that
Limition orientation is carried out to moving slide block 1. pair of sliding guide pad is arranged, keeps moving slide block lifting steady, avoids producing
Raw flatness deviation is made powder needle protrude into metering plate depth and is obtained using servo motor and ball screw control moving slide block lifting
It is precisely controlled, powder amount adjusts control precision height, and powder forming is high-quality;
2. quantitative powder needle is staggered using position design is kept away with delivery powder fork, whole design is novel, structurally consummate, transmission
Smoothness, reduces the contact area between component, and friction area when reducing operation inside device reduces because of component wear
The case where making the failure of powder pushing precision caused by mechanism blockage or powder feeding fail, substantially increase service life;
3. filling out powder positioning plate using brass material, avoiding friction leads to the powder amount essence of the magnetic materials such as effect of magnetic influence iron powder
Degree;
4. the single of the present apparatus controls to adjust powder amount cave number and reaches the cave 30-120, phase under the premise of guaranteeing powder pushing precision
For 10 caves or so of the prior art, powder feeding efficiency is greatly promoted, and is promoted the improving productivity of powder forming, is
Primary huge technological progress, industrial value are higher.
Detailed description of the invention
Fig. 1 is the perspective view of the present embodiment.
Fig. 2 is the right view of the present embodiment.
Fig. 3 is the top view of the present embodiment.
Fig. 4 is the perspective view of powder needle positioning plate and quantitative powder needle in the present embodiment.
Fig. 5 is the perspective view of the present embodiment Zhong Fen needle movement mechanism.
Fig. 6 is the enlarged diagram in the portion A in Fig. 3.
In figure: 1, powder amount filling mechanism;2, powder needle group;3, powder needle movement mechanism;4, powder amount carrier mechanism;5, powder box;6,
Metering plate;7, powder positioning plate is filled out;8, straight line cylinder A;9, straight line cylinder B;10, locating outer frame;11, powder needle positioning plate;12, quantitative
Powder needle;13, servo motor;14, bottom plate;15, moving slide block;16, slide-and-guide block;17, ball screw;18, driving wheel B;19,
Driving wheel A;20, transmission belt;21, straight line slide unit;22, carrier plate;23, slide unit support plate;24, linear guide rod;25, sliding cylinder;
26, delivery powder fork;27, powder delivery groove;28, powder inlet;29, clamping block;30, engaging slot;31, lifting regulating mechanism;32, it supports
Plate;33, telescopic rod;34, adjustment seat.
Specific embodiment
Combined with specific embodiments below, the content of the utility model is described in further detail:
In conjunction with Fig. 1, Fig. 2 and Fig. 3, the present embodiment is a kind of adjustable powder metering feeder, including powder amount filling machine
Structure 1, powder needle group 2, powder needle movement mechanism 3 and powder amount carrier mechanism 4, powder amount filling mechanism 1 include the powder box being from top to bottom arranged
5, metering plate 6 and powder positioning plate 7 is filled out, 5 upper wall of powder box is evenly distributed there are several powder inlets 28, fills out two sides on powder positioning plate 7 and distinguishes
Equipped with straight line cylinder A8 and straight line cylinder B9, straight line cylinder A8 connection powder box 5 simultaneously makes powder box 5 make reciprocating linear on metering plate 6
Movement, straight line cylinder B9 connection metering plate 6 simultaneously make metering plate 6 do reciprocating linear motion on filling out powder positioning plate 7.
In conjunction with Fig. 1, Fig. 2 and Fig. 4, if powder needle group 2 includes locating outer frame 10, powder needle positioning plate 11 and Dry Weight per Unit powder needle 12,
Locating outer frame 10, which is connected and fixed on, fills out 7 lower wall of powder positioning plate, and powder needle positioning plate 11 is set in locating outer frame 10, if Dry Weight per Unit powder
12 intercalation of needle is fixed on powder needle positioning plate 11 and rectangular array distribution, quantitative 12 upper end of powder needle through fill out powder positioning plate 7,
And protrude into metering plate 6.
In conjunction with Fig. 1, Fig. 2 and Fig. 5, powder needle movement mechanism 3 includes servo motor 13, bottom plate 14, moving slide block 15 and a pair
Slide-and-guide block 16, pair of sliding guide pad 16 are oppositely arranged, and locating outer frame 10 is fixed in the upper end, and bottom plate is fixed in lower end
14, moving slide block 15 is located between pair of sliding guide pad 16 and abuts limit, and the upper end is through locating outer frame 10 and connects
Powder needle positioning plate 11, lower end are extended with ball screw 17, and 17 end of ball screw is through bottom plate 14 and is equipped with driving wheel B18,
Servo motor 13 is fixed on 14 side of bottom plate, and shaft is located at together towards driving wheel A19, driving wheel A19 and driving wheel B18 is had
One horizontal plane is simultaneously connected with transmission belt 20.
Wherein, 15 two sides side wall of moving slide block is extended with clamping block 29 outwardly, and 16 side side wall of slide-and-guide block, which runs through, to be set
There is engaging slot 30, clamping block 29 and engaging slot 30 are mutually matched and plug together fixation, ensure that moving slide block 15 is led in pair of sliding
To abundant, lifting is limited between block 16 steadily, the control precision of powder needle movement is improved.
In conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, powder amount carrier mechanism 4 includes straight line slide unit 21 and carrier plate 22, and straight line is sliding
Platform 21 includes slide unit support plate 23, linear guide rod 24 and sliding cylinder 25, and 23 one end of slide unit support plate is connected and fixed on locating outer frame 10,
Carrier plate 22, which is set to, to be filled out between powder positioning plate 7 and powder needle positioning plate 11, and one end is fixed on sliding cylinder 25, and the other end stretches out
There are several delivery powder forks 26, several delivery powder forks 26 are arranged in parallel and are spaced apart from each other, and delivery powder fork 26 protrudes into quantitative powder needle 12
Ranks gap is simultaneously staggered with quantitative powder needle 12, and delivery powder pitches 26 end arranged cells and is equipped with several powder delivery grooves 27.
In conjunction with Fig. 3 and Fig. 6, powder delivery groove 27 is square funnel-form and bottom surface through aperture, and delivery powder is pitched 26 lower walls and usually set
There is stripping, in powder feeding process, stripping covers 27 bottom outlet of powder delivery groove, and guarantee that powder flows into and loads storage in powder delivery groove 27,
When powder blanking, stripping extraction, 27 bottom outlet of powder delivery groove is opened, and powder flow to the die cavity of molding die in powder compacting apparatus
Interior, the shape of 27 square-shaped hopper of powder delivery groove facilitates the quick outflow of powder.
In the present embodiment, it fills out powder positioning plate 7 to be made of brass material, avoiding friction leads to effect of magnetic influence iron powder equimagnetic
The powder accuracy of measurement of property material;The number of delivery powder fork 26 is no less than 6, and the single number for delivering powder delivery groove 27 on powder fork 26 is many
In 5, the adjustable powder amount acupuncture point quantitative range of the present embodiment is 30~120.Lift adjustment machine is equipped with below straight line slide unit 21
Structure 31, lifting regulating mechanism 31 include support plate 32, telescopic rod 33 and the adjustment seat 34 being from top to bottom arranged, 33 upper end of telescopic rod
Fixed support plate 32, lower end are protruded into adjustment seat 34, and support plate 32 is connected and fixed on 23 lower wall of slide unit support plate.
The working principle of the present embodiment is: the telescopic rod 33 in adjustment lifting regulating mechanism 31 exposes the length of adjustment seat 34
Degree, makes the carrier plate 22 of 32 top of support plate be in appropriate height, and the sliding cylinder 25 in straight line slide unit 21 drives carrier plate 22
Tandem movement, when carrier plate 22 backward move to delivery powder fork 26 on 27 place end of powder delivery groove be located at fill out powder positioning plate 7
When underface, powder position is as filled out, when carrier plate 22 is located at powder toward 27 place end of powder delivery groove on delivery powder fork 26 is moved forward to
In former when the surface of molding die, as powder feeding position.When carrier plate 22, which is located at, fills out powder position, powder box 5 passes through
Powder inlet 28 is continuously replenished powder raw material, straight line cylinder A8 drive powder box 5 moved back and forth on metering plate 6 make powder deposit and under
It falls, servo motor 13 runs through the transmission of driving wheel A19- transmission belt 20- driving wheel B18- ball screw 17 forward or backwards
Route, makes moving slide block 15 in the 16 vertical lifting movements of pair of sliding guide pad, and moving slide block 15 drives powder needle positioning plate 11
So that powder needle is protruded into 6 depth of metering plate adjustable, to change the hole internal volume for protruding into hole on metering plate 6, realizes that powder is quantitative, straight line
Cylinder B9 drives metering plate 6 to move back and forth each powder quantitatively for making to measure on filling out powder positioning plate 7 and falls to powder delivery groove one by one
In 27, when carrier plate 22 goes to powder feeding position by filling out powder position, each powder delivery groove 27 corresponds the die cavity of molding die, powder delivery groove
27 bottom outlets, which are opened, is sent into powder raw material in die cavity, it is achieved that quantitative adjust fills out powder and automatic batch powder feeding, ensure that powder
End forming automated production is carried out continuously.
The innovation of the utility model is:
Limition orientation is carried out to moving slide block 15 1. pair of sliding guide pad 16 is arranged, goes up and down moving slide block 15 steadily,
It avoids generating flatness deviation, moving slide block 15 is controlled using servo motor 13 and ball screw 17 and is gone up and down, powder needle is made to protrude into meter
6 depth of template is precisely controlled, and powder amount adjusts control precision height, and powder forming is high-quality;
2. quantitative powder needle 12 is designed using position is kept away, and is staggered with delivery powder fork 26, whole design is novel, and structure is complete
Kind, transmission is smooth, reduces the contact area between component, friction area when reducing operation inside device, reduce because
The case where component wear makes the failure of powder pushing precision caused by mechanism blockage or powder feeding fail, substantially increase service life;
3. filling out powder positioning plate 7 using brass material, avoiding friction leads to the powder amount of the magnetic materials such as effect of magnetic influence iron powder
Precision;
4. the single of the present apparatus controls to adjust powder amount cave number and reaches the cave 30-120, phase under the premise of guaranteeing powder pushing precision
For 10 caves or so of the prior art, powder feeding efficiency is greatly promoted, and is promoted the improving productivity of powder forming, is
Primary huge technological progress, industrial value are higher.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and be implemented, do not limit the protection scope of the present invention,
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover in the protection scope of the utility model
It is interior.