CN101200122B - Feeding device for powder forming machine - Google Patents
Feeding device for powder forming machine Download PDFInfo
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- CN101200122B CN101200122B CN 200710071029 CN200710071029A CN101200122B CN 101200122 B CN101200122 B CN 101200122B CN 200710071029 CN200710071029 CN 200710071029 CN 200710071029 A CN200710071029 A CN 200710071029A CN 101200122 B CN101200122 B CN 101200122B
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- feed cylinder
- powder
- pay
- drive link
- work platform
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- 239000000843 powder Substances 0.000 title claims description 65
- 238000013519 translation Methods 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 3
- 238000007599 discharging Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 230000014616 translation Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 208000004350 Strabismus Diseases 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012840 feeding operation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The invention provides a feeding device of a powder-forming machine, belonging to the mechanical technology field, in which the low using-stability and higher using costs issues existed in the prior art are resolved. The feeding device of the powder-forming machine comprises a feeding tube with the feeding inlet and outlet. The feeding tube arranged on a mold workbench of the powder-forming machine is also in sealed contact with the mold workbench. The side of the feeding tube is provided with a drive mechanism in which the feeding tube can be in reciprocating translation along the horizontal direction. Under the driving of the drive mechanism, the feeding tube can be in mutual conversion between two positions aligned or deviated from the forming die. With the adoption of the feeding device, not only the yield of the products produced through the powder-forming machine is higher, but also the using-stability of the powder-forming machine is higher with lower using costs.
Description
Technical field
The invention belongs to field of mechanical technique, relate to the pay-off of a kind of powder former, particularly powder former.
Background technology
The workpiece that adopts the powder stock compacting to form, its moulding is fast, technology is simple, and therefore, powder former is widely used in mechanical processing industry.
In order to improve working (machining) efficiency, on powder former, be provided with pay-off usually.Just can be through pay-off with the mould place of powder stock automatic transport to powder former, again can be with the powder stock punch forming in the mould through the staking punch that presses down.
Existing pay-off is generally a feed cylinder with charging aperture and discharging opening, and powder stock can be delivered in the feed cylinder by charging aperture.The mould of feed cylinder bottom is removable, and the discharging opening that moves to feed cylinder and material hole on it and feed cylinder when mould is at once, in the material hole of the discharging opening entering mould that the powder stock in the feed cylinder just can be on it.After feeding was accomplished, mould was removed again, made the material hole of mould break away from feed cylinder.Obviously, the powder stock punch forming in the hole can will be expected through the staking punch that presses down.
Can find out that in the above-mentioned feeding process, feed cylinder is fixed, and the mould along continuous straight runs is done translational motion.Because the material hole on the mould is higher with the position accuracy demand of staking punch, mould is frequent can produce after moving and wear and tear, thereby makes material hole and the position of staking punch on the mould to squint, and so just might cause the not high problem of finished product rate.When situation was serious, the staking punch that presses down also might mold damage.
Simultaneously, because mould is heavier, its energy consumption of actuating unit of control mould translation is bigger, makes that the use cost of powder former is higher.
Summary of the invention
The objective of the invention is to existing in prior technology the problems referred to above, provide a kind of feeding stable, make the pay-off of the powder former that the powder former use cost is lower.
The object of the invention can be realized through following technical proposal: a kind of pay-off of powder former; It comprises a feed cylinder with feeding mouth and discharging opening; Feed cylinder is arranged on the mold work platform of powder former; And contact with the sealing of mold work platform; It is characterized in that the sidepiece of said feed cylinder is provided with an actuating unit that makes the reciprocal translation of feed cylinder along continuous straight runs, can make under the drive of this actuating unit feed cylinder be in over against or depart from conversion each other between two positions of die forming machine.
In having the powder former of this pay-off, powder stock can be delivered in the feed cylinder by feeding mouth.Under the effect of actuating unit, when feed cylinder was in the position over against die forming machine, the powder stock in the feed cylinder just can be in discharging opening gets into mould.Obviously, so just accomplished the feeding process.Then, the position that under the effect of actuating unit, makes feed cylinder be in again to depart from die forming machine, press down through the staking punch on the powder former this moment, can be with the powder stock punch forming at mould place.
Owing to for sealing contacts, make the interior powder stock of feed cylinder can not leak like this between feed cylinder and the mold work platform.
In the pay-off of above-mentioned powder former, described actuating unit comprises a drive link and hydraulic cylinder, and an end and the feed cylinder of drive link are connected, and the other end of drive link and the piston rod of hydraulic cylinder are connected.
During the hydraulic cylinder action, just can drive drive link along with together moving through the piston rod on it.Obviously, feed cylinder also can be along with moving in the drive link moving process, thereby feed cylinder is in over against the mould or the position of departing from mould.
Certainly, it also is feasible adopting cylinder replacement liquid cylinder pressure.
In the pay-off of above-mentioned powder former, described drive link is and is horizontally disposed with.Can find out that drive link is a rectilinear translation, make that so above-mentioned feed cylinder also is to do linear translational motion.
In the pay-off of above-mentioned powder former, described mold work platform is provided with the guide with pilot hole, and above-mentioned drive link is through at the pilot hole place.Under the effect of guide, make and can not squint when above-mentioned drive link is made linear translational motion.
In the pay-off of above-mentioned powder former; Establish shoulder block, spring lever and spring between described feed cylinder and the drive link; Shoulder block is connected on the feed cylinder; The lower end of spring lever is connected on the drive link, and shoulder block is passed in the upper end of spring lever, and spring housing acts on respectively on spring lever upper end and the shoulder block on the spring lever and its two ends.
Under the elastic force effect of spring, shoulder block can receive one with its power that presses down.Because shoulder block is connected on the feed cylinder, makes feed cylinder can receive an active force that it is moved down like this.Obviously, under the elastic force effect of spring, just make feed cylinder be close on the mold work platform, thereby can prevent that the powder stock in the feed cylinder from being leaked by the discharging opening place.
In the pay-off of above-mentioned powder former, described spring lever upper end is through the nut that is being threaded, and an end of above-mentioned spring acts on the nut.The two ends of spring act on respectively on nut and the shoulder block, thereby shoulder block is applied an active force that presses down.Simultaneously, rotating screw cap is the elastic force of adjustable springs also, that is to say that can to make feed cylinder be pressed on the active force at mold work platform place moderate through regulating nut.
In the pay-off of above-mentioned powder former, described shoulder block be two and their symmetry be connected in the feed cylinder both sides, be fixed with a location-plate that is arcuation on the described drive link, above-mentioned spring lever just is connected on the location-plate.Make that through such structure the active force that acts on the feed cylinder is balanced.
As another kind of situation; In the pay-off of above-mentioned powder former, described actuating unit comprises motor and fork, and described machine shaft is provided with perpendicular to the mold work platform; One end of fork is connected the sidepiece of machine shaft, and the other end of fork is connected on the feed cylinder.
In the motor forward and backward process, the rotating shaft on it just can drive the fork reciprocally swinging.Just can drive feed cylinder in the fork swing process and do the circular arc translational motion along the mold work platform.Feed cylinder can be in over against the mould or the position of departing from mould.
In the pay-off of above-mentioned powder former, be provided with rotating stirring oar in the described feed cylinder.The stirring oar that rotates can make smooth and easy the passing through of powder stock in the feed cylinder, and is difficult for blockage phenomenon.Simultaneously, under the effect of feeding oar, can powder stock be smashed, and powder stock is delivered to the mould place.
In the pay-off of above-mentioned powder former, described stirring oar is made up of with vertical several blades that are connected in the power transmission shaft sidepiece power transmission shaft, and described power transmission shaft outer end is stretched out feed cylinder and linked to each other with motor.In the driven by motor power transmission shaft rotation process, the blade that is positioned at the power transmission shaft sidepiece also can be along with rotation, thereby makes powder stock can pass through feed cylinder smoothly through rotating blades.
In the pay-off of above-mentioned powder former, the discharging opening of said feed cylinder is positioned at its bottom, and between discharging opening edge and mold work platform, is provided with sealing gasket.Obviously, under the effect of sealing gasket, the powder stock in the feed cylinder just can not leaked by the discharging opening place of feed cylinder.Usually, sealing gasket is being connected in the discharging opening place.
Compared with prior art, owing to be under the effect of actuating unit, to make the feed cylinder translation accomplish feeding, therefore, the position between mould and the staking punch can not change all the time in the pay-off of this powder former.Can find out that it makes that not only the yield rate of powder former is higher, and the stability in use of powder former is also higher.
Simultaneously, feed cylinder weight is lighter for mould, and actuating unit is to need less energy consumption just can drive feed cylinder to move, thereby accomplishes the feeding operation.Therefore, it makes that the use cost of powder former is lower.
Description of drawings
Fig. 1 is the perspective view of the pay-off of this powder former.
Fig. 2 is the sectional structure sketch map of the pay-off of this powder former.
Fig. 3 is the schematic perspective view of the another kind of structure of pay-off of this powder former.
Fig. 4 is the main TV structure sketch map of Fig. 3.
Fig. 5 is the plan structure sketch map of Fig. 3.
Among the figure, 1, feed cylinder; 1a, feeding mouth; 1b, discharging opening; 2, mold work platform; 2a, mould; 3, drive link; 4, hydraulic cylinder; 5, guide; 6, stir oar; 61, power transmission shaft; 62, blade; 7, sealing gasket; 8, staking punch; 9, motor; 10, shoulder block; 11, spring lever; 12, spring; 13, nut; 14, location-plate.
The specific embodiment
Powder former comprises mold work platform 2 and the staking punch 8 that is positioned at mold work platform 2 tops, has mould 2a on the mold work platform 2, and it is stamping forming with it through staking punch 8 again that powder stock is delivered to mould 2a place exactly.As shown in Figure 1, the pay-off of this powder former is positioned on the mold work platform 2, and it comprises feed cylinder 1, drive link 3 and hydraulic cylinder 4 etc.
As depicted in figs. 1 and 2, feed cylinder 1 has a feeding mouth 1a and a discharging opening 1b, and feeding mouth 1a is positioned at the top of feed cylinder 1, and discharging opening 1b is positioned at the bottom of feed cylinder 1.Be provided with sealing gasket 7 between the edge of feed cylinder 1 discharging opening 1b and the mold work platform 2, make feed cylinder 1 contact for sealing with mold work platform 2 through sealing gasket 7.
For the powder stock in the feed cylinder 1 can be flowed smoothly, in feed cylinder 1, be provided with rotating stirring oar 6.Stir oar 6 and be made up of power transmission shaft 61 and blade 62, stretch in the feed cylinder 1 the inner of power transmission shaft 61, and blade 62 is with regard to vertical being connected on the power transmission shaft 61.The outer end of power transmission shaft 61 is stretched out feed cylinder 1 and is connected with a motor 9.
In the pay-off feeding process of this powder former, hydraulic cylinder 4 actions drive drive link 3 through the piston rod on it and move, and guide 5 makes the drive link 3 stable straight line horizontal translations of doing move in this process.When piston rod stretches out, through drive link 3 feed cylinder 1 is moved to mould 2a place, and make the discharging 1b of feed cylinder 1 be right against mould 2a.At this moment, the powder stock in the feed cylinder 1 is just in its top discharge mouth 1b gets into mould 2a.
Then, hydraulic cylinder 4 makes the piston rod withdrawal, will be in the position of departing from mould 2a through drive link 3 feed cylinders 1.That is to say that this moment, feed cylinder 1 was not positioned at mould 2a place.Staking punch through on the powder former presses down, can be with the powder stock punch forming at mould 2a place.
Repeat said process, the just feasible continuous spun work of powder compacting function with this pay-off.
Actuating unit also can adopt another kind of structure, and promptly the actuating unit of this part comprises motor, fork.The rotating shaft of motor is perpendicular to the mold work platform, and an end of fork is connected in the machine shaft sidepiece, and the other end and feed cylinder are connected.
In the motor positive and inverse process, just can make the fork reciprocally swinging, that is to say to make feed cylinder be arc track along the mold work stage translation.Certainly, feed cylinder is in over against the mould or the position of departing from mould.
In the present embodiment, stable in order to make the feeding of this pay-off, be provided with the mechanism that makes feed cylinder 1 can be close to mold work platform 2 places at feed cylinder 1 place.Like Fig. 3 and Fig. 4 and shown in Figure 5, this mechanism comprises shoulder block 10, spring lever 11, location-plate 14, spring 12 and nut 13.Shoulder block 10 be two they be connected in the both sides of feed cylinder 1 respectively, location-plate 14 is arcuation, feed cylinder 1 is positioned at the arcuation indent of location-plate 14.The lower end of spring lever 11 is connected on the drive link 3, the upper end of spring lever 11 pass shoulder block 10 and with nut 13 through being threaded together.Spring 12 is enclosed within on the spring lever 11, and the two ends of spring 12 act on respectively on shoulder block 10 and the nut 13.
Can find out, under the elastic force effect of spring 12, have a downward active force and act on the shoulder block 10, be close on the mold work platform 2 after also just making feed cylinder 1 receive this active force.When needing adjustment feed cylinder 1 to be attached to the tightness on the mold work platform 2, can realize through rotating screw cap 13.
Claims (8)
1. the pay-off of a powder former; It comprises a feed cylinder (1) with feeding mouth (1a) and discharging opening (1b); Feed cylinder (1) is arranged on the mold work platform (2) of powder former, and contacts with mold work platform (2) sealing, it is characterized in that; The sidepiece of said feed cylinder (1) is provided with an actuating unit that makes the reciprocal translation of feed cylinder (1) along continuous straight runs; Can make under the drive of this actuating unit feed cylinder (1) be in over against or depart from conversion each other between two positions of die forming machine (2a), described actuating unit comprises a drive link (3) and hydraulic cylinder (4), an end of drive link (3) and feed cylinder (1) are connected; The piston rod of the other end of drive link (3) and hydraulic cylinder (4) is connected; Establish shoulder block (10), spring lever (11) and spring (12) between described feed cylinder (1) and the drive link (3), shoulder block (10) is connected on the feed cylinder (1), and the lower end of spring lever (11) is connected on the drive link (3); Shoulder block (10) is passed in the upper end of spring lever (11), and spring (12) is enclosed within on the spring lever (11) and its two ends act on respectively on spring lever (11) upper end and the shoulder block (10).
2. the pay-off of powder former according to claim 1 is characterized in that, described drive link (3) is and is horizontally disposed with.
3. the pay-off of powder former according to claim 2 is characterized in that, described mold work platform (2) is provided with the guide (5) with pilot hole, and above-mentioned drive link (3) is through at the pilot hole place.
4. the pay-off of powder former according to claim 1 is characterized in that, described spring lever (11) upper end is through the nut (13) that is being threaded, and an end of above-mentioned spring (12) acts on the nut (13).
5. the pay-off of powder former according to claim 1; It is characterized in that; Described shoulder block (10) be two and their symmetry be connected in feed cylinder (1) both sides; Be fixed with a location-plate (14) that is arcuation on the described drive link (3), above-mentioned spring lever (11) just is connected on the location-plate (14).
6. the pay-off of powder former according to claim 1; It is characterized in that described actuating unit comprises motor and fork, described machine shaft is provided with perpendicular to the mold work platform; One end of fork is connected the sidepiece of machine shaft, and the other end of fork is connected on the feed cylinder.
7. according to the pay-off of claim 2 or 3 described powder formers, it is characterized in that, be provided with rotating stirring oar (6) in the described feed cylinder (1).
8. according to the pay-off of claim 2 or 3 described powder formers, it is characterized in that the discharging opening (1b) of described feed cylinder (1) is positioned at its bottom, and between discharging opening (1b) edge and mold work platform (2), is provided with sealing gasket (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710071029 CN101200122B (en) | 2007-08-27 | 2007-08-27 | Feeding device for powder forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710071029 CN101200122B (en) | 2007-08-27 | 2007-08-27 | Feeding device for powder forming machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101200122A CN101200122A (en) | 2008-06-18 |
| CN101200122B true CN101200122B (en) | 2012-12-12 |
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ID=39515565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710071029 Expired - Fee Related CN101200122B (en) | 2007-08-27 | 2007-08-27 | Feeding device for powder forming machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN101200122B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642325A (en) * | 2012-05-10 | 2012-08-22 | 苏州喜福瑞农业科技有限公司 | Manual push-pull handle of press molding machine |
| CN104139551A (en) * | 2013-09-25 | 2014-11-12 | 苏州启翔生物技术有限公司 | Tablet press |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5074774A (en) * | 1989-08-10 | 1991-12-24 | Kabushiki Kaisha Mitsuishi Fukai Tekkosho | Weight scaling material supplying apparatus for a powder molding machine |
| CN1222109A (en) * | 1996-06-14 | 1999-07-07 | 材料革新公司 | Pressurized feed shoe appts. and process for precompacting powdered materials |
| CN1258597A (en) * | 1998-12-28 | 2000-07-05 | 住友特殊金属株式会社 | Feeding method and apparatus for rare-earth metal-base alloy powder |
| CN101015963A (en) * | 2007-02-16 | 2007-08-15 | 苏长春 | Constant feeding mechanism for powder molding press |
| CN201132397Y (en) * | 2007-08-27 | 2008-10-15 | 邵中民 | Material feeder for powder forming machine |
-
2007
- 2007-08-27 CN CN 200710071029 patent/CN101200122B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5074774A (en) * | 1989-08-10 | 1991-12-24 | Kabushiki Kaisha Mitsuishi Fukai Tekkosho | Weight scaling material supplying apparatus for a powder molding machine |
| CN1222109A (en) * | 1996-06-14 | 1999-07-07 | 材料革新公司 | Pressurized feed shoe appts. and process for precompacting powdered materials |
| CN1258597A (en) * | 1998-12-28 | 2000-07-05 | 住友特殊金属株式会社 | Feeding method and apparatus for rare-earth metal-base alloy powder |
| CN101015963A (en) * | 2007-02-16 | 2007-08-15 | 苏长春 | Constant feeding mechanism for powder molding press |
| CN201132397Y (en) * | 2007-08-27 | 2008-10-15 | 邵中民 | Material feeder for powder forming machine |
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| Publication number | Publication date |
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| CN101200122A (en) | 2008-06-18 |
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Granted publication date: 20121212 |