CN109332683B - Adjustable powder metering and feeding device - Google Patents
Adjustable powder metering and feeding device Download PDFInfo
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- CN109332683B CN109332683B CN201811362581.8A CN201811362581A CN109332683B CN 109332683 B CN109332683 B CN 109332683B CN 201811362581 A CN201811362581 A CN 201811362581A CN 109332683 B CN109332683 B CN 109332683B
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- 239000000843 powder Substances 0.000 title claims abstract description 248
- 239000000463 material Substances 0.000 claims abstract description 8
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 6
- 239000010951 brass Substances 0.000 claims abstract description 6
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000696 magnetic material Substances 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000001467 acupuncture Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/004—Filling molds with powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/005—Loading or unloading powder metal objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
- Basic Packing Technique (AREA)
Abstract
The invention discloses an adjustable powder metering and feeding device, which is provided with a pair of sliding guide blocks to limit and guide a moving sliding block, so that the moving sliding block is stably lifted, flatness deviation is avoided, a servo motor and a ball screw are adopted to control the lifting of the moving sliding block, the depth of a powder needle extending into a metering plate is accurately controlled, the powder quantity adjusting and controlling precision is high, the powder forming quality is good, the whole design is novel, the structure is perfect, the transmission is smooth, the friction area in the device during operation is reduced, the occurrence of failure of powder feeding precision or powder feeding failure caused by the clamping of a mechanism due to the abrasion of a component is reduced, the service life is greatly prolonged, the powder filling positioning plate is made of brass materials, the magnetic influence on the powder quantity precision of magnetic materials such as iron powder is avoided, the powder quantity hole number is controlled to be 30-120 holes in a single time, the powder feeding efficiency is greatly improved compared with the 10 holes in the prior art, and the production efficiency of powder forming is promoted.
Description
Technical Field
The invention relates to the field of powder forming, in particular to an adjustable powder metering and feeding device.
Background
Powder forming, which is a process of compacting a metal powder body into a compact of a certain shape, size, density and strength, is one of the basic steps of a powder metallurgy process, and the metal powder is generally subjected to a powder pretreatment prior to powder forming to meet the forming requirements. At present, a common method for forming powder is compression molding, namely, powder is placed into a mold cavity at a molding temperature, and then the mold is closed and pressurized to form the powder. In order to realize continuous automatic powder forming production, the powder feeding device must have the functions of quantitatively adjusting powder filling and automatically feeding powder in batches.
As in the chinese patent with publication number CN106825555a, a quantitative powder feeding device and powder forming equipment are disclosed, wherein quantitative powder is accommodated by setting a quantitative hole, and according to the actual use condition of the powder, the volume of the quantitative hole is adjusted by adjusting the extending amount of the quantitative rod in the quantitative hole, so that the amount of the powder accommodated in the quantitative hole can be changed very conveniently, and the adaptability to the production of products required by different powders is improved. The quantitative hole is filled with powder for one time to quantitatively measure the powder, then the powder can fall out through the material hole by aligning the quantitative hole with the material passing hole, and then the next quantitative measurement can be performed, so that the continuous quantitative measurement process is realized.
The quantitative powder feeding device provided by the patent cannot meet various requirements of current powder forming work due to the structural design and working mode, and has the following defects:
1. only double powder feeding is realized, multiple rows of powder feeding at multiple points cannot be realized, the number of powder quantity holes is controlled and regulated for a single time and is generally about 10 points, and the working efficiency is low;
2. the powder needle has overlarge contact area, serious friction, easy blocking, serious abrasion of a mechanism during long-term use, invalid powder feeding precision and short service life;
3. the mechanism moving part adopts steel and steel direct contact friction, so that magnetism is easy to generate for the mechanism, and when the powder feeding material is a magnetic material such as iron powder, the powder feeding precision is affected, and the powder feeding failure or the forming quality is low.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an adjustable powder metering and feeding device.
In order to achieve the above purpose, the technical scheme adopted by the invention for solving the technical problems is as follows: an adjustable powder metering and feeding device comprises a powder filling mechanism, a powder injection group, a powder injection movement mechanism and a powder carrying mechanism;
the powder filling mechanism comprises a powder box, a metering plate and a powder filling positioning plate which are arranged from top to bottom, wherein a linear cylinder A and a linear cylinder B are respectively arranged on two sides of the powder filling positioning plate, the linear cylinder A is connected with the powder box, and the linear cylinder B is connected with the metering plate;
the powder needle group comprises a positioning outer frame, a powder needle positioning plate and a plurality of quantitative powder needles, wherein the positioning outer frame is fixedly connected with the lower wall of the powder filling positioning plate, the powder needle positioning plate is arranged in the positioning outer frame, the quantitative powder needles are fixedly embedded on the powder needle positioning plate and distributed in a rectangular array, and the upper ends of the quantitative powder needles penetrate through the powder filling positioning plate and extend into the metering plate;
the powder needle movement mechanism comprises a servo motor, a bottom plate, a movement sliding block and a pair of sliding guide blocks, wherein the pair of sliding guide blocks are oppositely arranged, the upper ends of the sliding guide blocks are fixed on a positioning outer frame, the lower ends of the sliding guide blocks are fixed on the bottom plate, the movement sliding block is clamped between the pair of sliding guide blocks and is in butt joint limiting, the upper ends of the movement sliding block penetrate through the positioning outer frame and are connected with a powder needle positioning plate, the lower ends of the movement sliding block extend out of the powder needle positioning plate, the end heads of the ball screws penetrate through the bottom plate and are provided with driving wheels B, the servo motor is fixed on one side of the bottom plate, the rotating shafts of the servo motor are downwards provided with driving wheels A, and the driving wheels A and the driving wheels B are positioned on the same horizontal plane and are connected with a driving belt;
the powder quantity carrying mechanism comprises a linear sliding table and a carrying plate, the linear sliding table comprises a sliding table carrying plate, a linear guide rod and a sliding cylinder, one end of the sliding table carrying plate is fixedly connected with a positioning outer frame, the carrying plate is arranged between a powder filling positioning plate and a powder needle positioning plate, one end of the carrying plate is fixedly arranged on the sliding cylinder, a plurality of carrying powder forks extend out of the other end of the carrying plate, the carrying powder forks are arranged in parallel and are mutually spaced, the carrying powder forks extend into row-column gaps of quantitative powder needles and are staggered with the quantitative powder needles, and a plurality of powder feeding grooves are arranged at the end parts of the carrying powder forks.
Preferably, the powder filling positioning plate is made of brass material.
Preferably, the upper wall of the powder box is uniformly provided with a plurality of powder inlets.
Preferably, the side walls at two sides of the moving slide block extend outwards to form clamping blocks, the side wall at one side of the sliding guide block is provided with a clamping groove in a penetrating mode, and the clamping blocks and the clamping grooves are matched and fixed in an inserting mode.
Preferably, the lifting adjusting mechanism is arranged below the linear sliding table and comprises a supporting plate, a telescopic rod and an adjusting seat which are arranged from top to bottom, the supporting plate is fixed at the upper end of the telescopic rod, the lower end of the telescopic rod stretches into the adjusting seat, and the supporting plate is fixedly connected with the lower wall of the sliding table carrier plate.
Preferably, the number of the carrying powder forks is not less than 6.
Preferably, the number of the powder feeding grooves on the single powder carrying fork is not less than 5.
Preferably, the powder feeding groove is square funnel-shaped, and the bottom surface penetrates through the opening.
Due to the application of the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. a pair of sliding guide blocks are arranged to limit and guide the moving slide block, so that the moving slide block is stably lifted, flatness deviation is avoided, a servo motor and a ball screw are adopted to control the lifting of the moving slide block, the depth of a powder needle extending into a metering plate is precisely controlled, the powder quantity adjusting and controlling precision is high, and the powder forming quality is good;
2. the quantitative powder injection adopts a clearance design, is staggered with the powder carrying fork, has novel overall design, perfect structure and smooth transmission, reduces the contact area between components, reduces the friction area in the device during operation, reduces the occurrence of failure of powder feeding precision or powder feeding failure caused by the clamping of a mechanism due to the abrasion of the components, and greatly prolongs the service life;
3. the powder filling positioning plate is made of brass materials, so that the powder quantity precision of magnetic materials such as iron powder and the like is prevented from being influenced by friction;
4. on the premise of ensuring powder feeding precision, the single-time control and adjustment of the device can achieve 30-120 holes, and compared with about 10 holes in the prior art, the powder feeding efficiency is greatly improved, the production efficiency of powder forming is promoted, and the device is a huge technological progress and has higher industrial value.
Drawings
Fig. 1 is a perspective view of the present embodiment.
Fig. 2 is a right side view of the present embodiment.
Fig. 3 is a top view of the present embodiment.
Fig. 4 is a perspective view of the powder injection positioning plate and the quantitative powder injection in the present embodiment.
Fig. 5 is a perspective view of the powder injection moving mechanism in the present embodiment.
Fig. 6 is an enlarged schematic view of the portion a in fig. 3.
In the figure: 5. a powder box; 6. a metering plate; 7. powder filling positioning plate; 8. a straight cylinder A; 9. a straight cylinder B; 10. positioning the outer frame; 11. a powder needle positioning plate; 12. quantitative powder injection; 13. a servo motor; 14. a bottom plate; 15. a moving slide; 16. sliding the guide block; 17. a ball screw; 18. a driving wheel B; 19. a driving wheel A; 20. a transmission belt; 22. a carrying plate; 23. a sliding table carrier plate; 24. a linear guide rod; 25. a sliding cylinder; 26. carrying a powder fork; 27. a powder feeding groove; 28. a powder inlet; 29. a clamping block; 30. a clamping groove; 32. a support plate; 33. a telescopic rod; 34. and (5) adjusting the seat.
Detailed Description
The following describes the present invention in further detail with reference to specific examples:
referring to fig. 1, 2 and 3, the embodiment is an adjustable powder metering and feeding device, which comprises a powder filling mechanism, a powder needle group, a powder needle moving mechanism and a powder carrying mechanism, wherein the powder filling mechanism comprises a powder box 5, a metering plate 6 and a powder filling positioning plate 7 which are arranged from top to bottom, a plurality of powder inlets 28 are uniformly arranged on the upper wall of the powder box 5, a linear cylinder A8 and a linear cylinder B9 are respectively arranged on two sides of the powder filling positioning plate 7, the linear cylinder A8 is connected with the powder box 5 and enables the powder box 5 to reciprocate on the metering plate 6, and the linear cylinder B9 is connected with the metering plate 6 and enables the metering plate 6 to reciprocate on the powder filling positioning plate 7.
Referring to fig. 1, 2 and 4, the powder needle group includes a positioning outer frame 10, a powder needle positioning plate 11 and a plurality of quantitative powder needles 12, the positioning outer frame 10 is fixedly connected to the lower wall of the powder filling positioning plate 7, the powder needle positioning plate 11 is arranged in the positioning outer frame 10, the quantitative powder needles 12 are fixedly embedded on the powder needle positioning plate 11 and distributed in a rectangular array, and the upper ends of the quantitative powder needles 12 penetrate through the powder filling positioning plate 7 and extend into the metering plate 6.
Referring to fig. 1, 2 and 5, the powder needle moving mechanism comprises a servo motor 13, a base plate 14, a moving slide block 15 and a pair of sliding guide blocks 16, wherein the pair of sliding guide blocks 16 are oppositely arranged, the upper ends of the sliding guide blocks are fixed on a positioning outer frame 10, the lower ends of the sliding guide blocks are fixed on the base plate 14, the moving slide block 15 is clamped between the pair of sliding guide blocks 16 and is in butt joint limitation, the upper ends of the moving slide block 15 penetrate through the positioning outer frame 10 and are connected with a powder needle positioning plate 11, a ball screw 17 extends out of the lower ends of the moving slide block 15, the end head of the ball screw 17 penetrates through the base plate 14 and is provided with a driving wheel B18, the servo motor 13 is fixed on one side of the base plate 14, a driving wheel a19 is arranged downwards on the rotating shaft of the moving slide block, and the driving wheel a19 and the driving wheel B18 are positioned on the same horizontal plane and are connected with a driving belt 20.
The side walls at two sides of the moving slide block 15 extend outwards to form a clamping block 29, the side wall at one side of the sliding guide block 16 is penetrated with a clamping groove 30, the clamping block 29 and the clamping groove 30 are matched with each other and are fixed in an inserting way, the moving slide block 15 is ensured to be fully limited between the pair of sliding guide blocks 16, the lifting is stable, and the control precision of the powder needle movement is improved.
Referring to fig. 1, 2, 3, 4 and 5, the powder carrying mechanism comprises a linear sliding table and a carrying plate 22, the linear sliding table comprises a sliding table carrying plate 23, a linear guide rod 24 and a sliding cylinder 25, one end of the sliding table carrying plate 23 is fixedly connected with a positioning outer frame 10, the carrying plate 22 is arranged between a powder filling positioning plate 7 and a powder needle positioning plate 11, one end of the carrying plate 22 is fixedly arranged on the sliding cylinder 25, a plurality of carrying powder forks 26 extend out from the other end of the carrying plate, the plurality of carrying powder forks 26 are arranged in parallel and are mutually spaced, the carrying powder forks 26 extend into row-column gaps of the quantitative powder needles 12 and are staggered with the quantitative powder needles 12, and a plurality of powder feeding grooves 27 are arranged at the end parts of the carrying powder forks 26.
Referring to fig. 3 and 6, the powder feeding groove 27 is in a square funnel shape, the bottom surface of the powder feeding groove 27 penetrates through the opening, the lower wall of the powder carrying fork 26 is generally provided with a drawing strip, in the powder feeding process, the drawing strip covers the bottom hole of the powder feeding groove 27, powder is guaranteed to flow into the powder feeding groove 27 for loading and storage, when powder is fed, the drawing strip is drawn out, the bottom hole of the powder feeding groove 27 is opened, powder flows into the mold cavity of the forming mold in the powder forming equipment, and the square funnel of the powder feeding groove 27 is convenient for the powder to flow out quickly.
In the embodiment, the powder filling positioning plate 7 is made of brass material, so that the powder quantity precision of magnetic materials such as iron powder and the like is prevented from being influenced by magnetism due to friction; the number of the powder carrying forks 26 is not less than 6, the number of the powder feeding grooves 27 on the single powder carrying fork 26 is not less than 5, and the number of the powder quantity adjustable acupuncture points in the embodiment ranges from 30 to 120. The lifting adjusting mechanism is arranged below the linear sliding table and comprises a supporting plate 32, a telescopic rod 33 and an adjusting seat 34 which are arranged from top to bottom, the supporting plate 32 is fixed at the upper end of the telescopic rod 33, the lower end of the telescopic rod stretches into the adjusting seat 34, and the supporting plate 32 is fixedly connected with the lower wall of the sliding table carrier plate 23.
The working principle of the embodiment is as follows: the length of the telescopic rod 33 in the lifting adjusting mechanism is adjusted to expose the adjusting seat 34, so that the carrying plate 22 above the supporting plate 32 is at a proper height, the sliding cylinder 25 in the linear sliding table drives the carrying plate 22 to move forward and backward in a linear manner, when the carrying plate 22 moves backward to the position where the end part of the powder feeding groove 27 on the powder carrying fork 26 is positioned right below the powder filling positioning plate 7, the powder filling position is the powder feeding position, and when the carrying plate 22 moves forward to the position where the end part of the powder feeding groove 27 on the powder carrying fork 26 is positioned right above the forming die in the powder forming equipment. When the carrying plate 22 is positioned at the powder filling position, the powder box 5 continuously supplements powder raw materials through the powder inlet 28, the linear cylinder A8 drives the powder box 5 to move back and forth on the metering plate 6 to enable the powder to deposit and fall, the servo motor 13 runs forward or backward through a transmission route of the transmission wheel A19, the transmission belt 20, the transmission wheel B18 and the ball screw 17, the moving slide block 15 vertically moves between the pair of sliding guide blocks 16, the moving slide block 15 drives the powder needle positioning plate 11 to enable the powder needle to extend into the metering plate 6 to enable the depth to be adjustable, so that the hole inner volume of the hole in the metering plate 6 is changed to realize powder quantification, the linear cylinder B9 drives the metering plate 6 to move back and forth on the powder filling positioning plate 7 to enable metered quantitative powder to fall into the powder feeding grooves 27, when the carrying plate 22 is rotated from the powder filling position to the powder feeding position, the powder feeding grooves 27 are opened to feed the powder raw materials into the die cavities of the forming die cavity one by one, and therefore quantitative powder filling and automatic batch powder feeding are realized, and continuous powder forming and automatic production is ensured.
The innovation of the invention is that:
1. a pair of sliding guide blocks 16 are arranged to limit and guide the moving slide block 15, so that the moving slide block 15 is stably lifted, flatness deviation is avoided, the servo motor 13 and the ball screw 17 are adopted to control the lifting of the moving slide block 15, the depth of the powder needle extending into the metering plate 6 is precisely controlled, the powder quantity adjusting and controlling precision is high, and the powder forming quality is good;
2. the quantitative powder needle 12 adopts a clearance design, is staggered with the powder carrying fork 26, has novel overall design, perfect structure and smooth transmission, reduces the contact area between components, reduces the friction area in the device during operation, reduces the occurrence of failure of powder feeding precision or powder feeding failure caused by the clamping of a mechanism due to the abrasion of the components, and greatly prolongs the service life;
3. the powder filling positioning plate 7 is made of brass, so that the powder quantity precision of magnetic materials such as iron powder and the like is prevented from being influenced by friction;
4. on the premise of ensuring powder feeding precision, the single-time control and adjustment of the device can achieve 30-120 holes, and compared with about 10 holes in the prior art, the powder feeding efficiency is greatly improved, the production efficiency of powder forming is promoted, and the device is a huge technological progress and has higher industrial value.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (8)
1. An adjustable powder metering and feeding device which is characterized in that: comprises a powder filling mechanism, a powder injection group, a powder injection movement mechanism and a powder carrying mechanism;
the powder filling mechanism comprises a powder box (5), a metering plate (6) and a powder filling positioning plate (7) which are arranged from top to bottom, wherein a linear air cylinder A (8) and a linear air cylinder B (9) are respectively arranged on two sides of the powder filling positioning plate (7), the linear air cylinder A (8) is connected with the powder box (5), and the linear air cylinder B (9) is connected with the metering plate (6);
the powder needle group comprises a positioning outer frame (10), a powder needle positioning plate (11) and a plurality of quantitative powder needles (12), wherein the positioning outer frame (10) is fixedly connected with the lower wall of the powder filling positioning plate (7), the powder needle positioning plate (11) is arranged in the positioning outer frame (10), the quantitative powder needles (12) are fixedly embedded on the powder needle positioning plate (11) and distributed in a rectangular array, and the upper ends of the quantitative powder needles (12) penetrate through the powder filling positioning plate (7) and extend into the metering plate (6);
the powder needle movement mechanism comprises a servo motor (13), a base plate (14), a movement sliding block (15) and a pair of sliding guide blocks (16), wherein the sliding guide blocks (16) are oppositely arranged, the upper ends of the sliding guide blocks are fixed on a positioning outer frame (10), the lower ends of the sliding guide blocks are fixed on the base plate (14), the movement sliding block (15) is clamped between the sliding guide blocks (16) and is in butt joint limiting, the upper ends of the movement sliding block (15) penetrate through the positioning outer frame (10) and are connected with a powder needle positioning plate (11), the lower ends of the movement sliding block are extended out of a ball screw (17), the end of the ball screw (17) penetrates through the base plate (14) and is provided with a driving wheel B (18), the servo motor (13) is fixed on one side of the base plate (14), the rotating shaft of the servo motor is downwards provided with a driving wheel A (19), and the driving wheel A (19) and the driving wheel B (18) are positioned on the same horizontal plane and are connected with a driving belt (20).
The powder delivery mechanism comprises a linear sliding table and a delivery plate (22), wherein the linear sliding table comprises a sliding table carrier plate (23), a linear guide rod (24) and a sliding cylinder (25), one end of the sliding table carrier plate (23) is fixedly connected with a positioning outer frame (10), the delivery plate (22) is arranged between a powder filling positioning plate (7) and a powder needle positioning plate (11), one end of the delivery plate is fixedly arranged on the sliding cylinder (25), a plurality of delivery powder forks (26) extend out of the other end of the delivery plate, the delivery powder forks (26) are arranged in parallel and are mutually spaced, the delivery powder forks (26) extend into a row-column gap of a quantitative powder needle (12) and are staggered with the quantitative powder needle (12), and a plurality of powder delivery grooves (27) are formed in end arrangement of the delivery powder forks (26).
2. An adjustable powder metering and feeding apparatus as claimed in claim 1, wherein: the powder filling positioning plate (7) is made of brass materials.
3. An adjustable powder metering and feeding apparatus as claimed in claim 2, wherein: the upper wall of the powder box (5) is uniformly provided with a plurality of powder inlets (28).
4. An adjustable powder metering and feeding apparatus as claimed in claim 3, wherein: the side walls at two sides of the moving sliding block (15) outwards extend to form clamping blocks (29), a clamping groove (30) is formed in one side wall of the sliding guide block (16) in a penetrating mode, and the clamping blocks (29) and the clamping groove (30) are matched with each other and are fixed in an inserting mode.
5. An adjustable powder metering and feeding apparatus as claimed in claim 4, wherein: the lifting adjusting mechanism is arranged below the linear sliding table, the lifting adjusting mechanism (31) comprises a supporting plate (32), a telescopic rod (33) and an adjusting seat (34) which are arranged from top to bottom, the supporting plate (32) is fixed at the upper end of the telescopic rod (33), the lower end of the telescopic rod stretches into the adjusting seat (34), and the supporting plate (32) is fixedly connected to the lower wall of the sliding table carrier plate (23).
6. An adjustable powder metering and feeding apparatus as claimed in claim 5, wherein: the number of the carrying powder forks (26) is not less than 6.
7. An adjustable powder metering and feeding apparatus as claimed in claim 6, wherein: the number of the powder feeding grooves (27) on the single powder carrying fork (26) is not less than 5.
8. An adjustable powder metering and feeding apparatus as claimed in claim 7, wherein: the powder feeding groove (27) is square funnel-shaped, and the bottom surface of the powder feeding groove penetrates through the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811362581.8A CN109332683B (en) | 2018-11-15 | 2018-11-15 | Adjustable powder metering and feeding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811362581.8A CN109332683B (en) | 2018-11-15 | 2018-11-15 | Adjustable powder metering and feeding device |
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| Publication Number | Publication Date |
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| CN109332683A CN109332683A (en) | 2019-02-15 |
| CN109332683B true CN109332683B (en) | 2023-12-08 |
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| CN201811362581.8A Active CN109332683B (en) | 2018-11-15 | 2018-11-15 | Adjustable powder metering and feeding device |
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